JP6498951B2 - Absorbent products - Google Patents

Description

  The present invention relates to an absorbent product capable of holding excrement.

For absorbent products for conventional incontinence and infants, pants that have the same shape as pants and tape-type disposable diapers that are assembled into pants with tape, or placed in pants There are urine picking pads used.
Patent Document 1 is an example of a diaper of this absorbent product, and as shown in FIGS. 2 and 5, a top sheet 5 having a through hole 5 </ b> A capable of transmitting soft stool on the crotch side of the user, From the liquid-impervious sheet 1 that prevents the permeation of excrement on the outside, the absorbent polymer that absorbs the excrement that is sandwiched between the surface sheet 5 and the liquid-impervious sheet 1 and permeated from the surface sheet 5 It has the absorber 3 which becomes.

And as for the surface sheet 5 of this patent document 1, the both ends of the width direction stand | start up with the shrinkage | contraction force of the elastic elastic member 7 at the time of wear, Thereby, the liquid-permeable sheet 2 on the surface sheet 5 and the absorber 3 and A space P is formed between them, and soft stool can be accommodated in the space P.
In addition, the top sheet 5 is connected to the liquid-permeable sheet 2 on the absorbent body 3 at the center in the width direction, thereby guiding urine adhering to the top sheet 5 to the absorbent body 3. The wet feeling is avoided as much as possible.
Thus, in the diaper of Patent Document 1, soft stool is accommodated in the space P, and urine is moved to the absorber 3 to prevent adhesion to the body regardless of whether soft urine or urine.

JP-A-2-274250

By the way, in patent document 1, although the surface sheet 5 is connected to the liquid-permeable sheet 2 on the absorber 3, and a urine can be moved to the absorber 3, in order to perform the movement of this urine effectively As shown in FIG. 5, a large area in the center of the topsheet 5 must be connected to the absorber 3 side.
If it does so, the space P between the surface sheet 5 and the absorber 3 will be inevitably small, and it will be difficult to reliably accommodate a large amount of soft stool in this small space P. Even if the problem of effective movement can be solved, there arises a problem that soft stool is easy to touch the skin. Therefore, Patent Document 1 does not effectively prevent contact of both urine and soft stool to the skin.
Therefore, the present invention aims to provide an absorbent product capable of avoiding unpleasant feelings and skin troubles after excretion as much as possible by avoiding touching the body with excrement regardless of whether it is soft urine or urine. To do.

The above-mentioned problems are a waterproof sheet that prevents passage of excrement, an absorber that is disposed closer to the wearer than the waterproof sheet, absorbs the excrement, and is disposed closest to the wearer. An absorbent product in which a top sheet capable of penetrating liquid is stacked, wherein the top sheet exhibits an elastic force so as to be separated from the absorber, and the excretion is performed between the top and the absorber. An elastic member for forming a storage space for storing the object, and a passage portion for passing the excrement through the storage space, and allowing the liquid to penetrate into the storage space. In addition, a connecting portion that partially connects the topsheet and the absorber is provided, and the connecting portion is a flow path for the excrement to move in the front-rear direction of the housing space when worn. While ensuring multiple It is solved by the absorbent product characterized in that cut.

According to this invention, it has the waterproof sheet which prevents passage of excrement, and the absorber which is arrange | positioned at the wearer side rather than a waterproof sheet and absorbs excrement. Therefore, if excrement such as urine can be moved to the absorber, the excrement can be held by the absorber and can be prevented from adhering to the clothing side by the waterproof sheet.
In this regard, the absorbent product of the present invention has a surface sheet that is disposed on the most wearer side and is capable of penetrating excrement liquid (that is, body fluid), and the surface sheet is separated from the absorbent body. In addition to having an elastic member for forming an accommodation space for accommodating excrement between the absorber and the elastic body, it also has a passage portion for passing excrement through the accommodation space. Therefore, after excrement such as loose stool is accommodated in the accommodation space through the passage portion, it can be absorbed by the absorbent body, while the loose stool and the skin are partitioned by the surface sheet, and the wearer The situation that makes your skin dirty can be suppressed.
Furthermore, in the accommodation space, a body fluid can be permeated, and a connecting portion that connects the top sheet and the absorber is provided. Therefore, for example, body fluid such as urine remaining on the surface sheet without passing through the passage portion can be guided to the absorber through the connecting portion.
And this connection part connects a surface sheet and an absorber partially, and, therefore, does not completely block the accommodation space between a surface sheet and an absorber.
Further, since the body fluid can be guided to the absorber through the connecting portion as described above, it is not necessary to directly connect the surface sheet and the absorber side for the movement of the body fluid. Even if the body side is directly connected, there is no need to enlarge the connection area as in the prior art. Therefore, the accommodation space between the top sheet and the absorbent body can also be made larger than before, and the accommodation capacity of the accommodation space for soft stool can be ensured.
Thus, even if it is soft stool or urine, it can be effectively prevented from moving to the absorber side and soiling the wearer's skin.
In addition, the connection part of this invention is not restricted to what connects a surface sheet and an absorber directly, The thing connected indirectly is also contained. For example, if there is a member that covers the surface of the absorbent body on the wearer side, the member and the surface sheet may be partially connected by a connecting portion.

Further, the prior SL coupling unit, while securing a flow path for the excrement to move in the longitudinal direction of the accommodating space at the time of wearing, characterized in that partitions the longitudinal direction into a plurality.
Then, since the connecting part partitions the front-rear direction into a plurality, it is possible to prevent the loosely discharged soft urine and urine from moving in the front-rear direction unnecessarily in the accommodation space. For example, regarding the accommodation space, it is possible that loose stool is vigorously excreted and flows into the narrow space of the crotch as much as possible even though loose stool can be accommodated in the space immediately below the anus. Moreover, in the absorbent product for men, when urine is vigorously excreted from the penis, it can be prevented from flowing unnecessarily into a narrow space between the crotch. Accordingly, it is possible to effectively prevent the excrement from leaking from the narrow portion of the crotch portion to the outside.
And this connection part is the aspect which does not partition the front-back direction completely, and has a flow path for excrement to move to the front-back direction of accommodation space. Thus, for example, even if there is a large amount of soft stool and it may not be able to be accommodated only by the space immediately below the anus in the accommodation space, the flow is placed in the space in front of the space immediately below the flow path. By moving the loose stool, it is possible to prevent the excrement from adhering to the skin without entering the accommodation space. In addition, even when urine cannot be accommodated in the space corresponding to the narrow part of the crotch part of the accommodation space, the urine is moved to the space before and after that so-called side leakage from the narrow part of the crotch part. Can be prevented.

The above-mentioned problems are a waterproof sheet that prevents passage of excrement, an absorber that is disposed closer to the wearer than the waterproof sheet, absorbs the excrement, and is disposed closest to the wearer. An absorbent product in which a top sheet capable of penetrating liquid is stacked, wherein the top sheet exhibits an elastic force so as to be separated from the absorber, and the excretion is performed between the top and the absorber. An elastic member for forming a storage space for storing the object, and a passage portion for passing the excrement through the storage space, and allowing the liquid to penetrate into the storage space. In addition, a connecting portion that partially connects the topsheet and the absorber is provided, the connecting portion and the topsheet are formed of a nonwoven fabric, and the fiber density of the connecting portion is the topsheet Higher than fiber density Is solved by the absorbent product characterized and.
Therefore, the urine adhering to the surface sheet can be actively guided to the absorber side by capillary action by the connecting portion having a relatively high fiber density. Moreover, since the surface sheet has a fiber density lower than that of the connecting portion, it is possible to effectively prevent a phenomenon in which urine adhering to the connecting portion returns to the surface sheet.

  As described above, the present invention can provide an absorptive product capable of avoiding unpleasant feeling and skin trouble after excretion as much as possible by avoiding the excrement from touching the body regardless of whether it is soft urine or urine.

The schematic perspective view of the absorptive product concerning a 1st embodiment of the present invention. The top view of the absorptive product concerning a 1st embodiment of the present invention. It is the figure which equipped with the absorptive product concerning a 1st embodiment of the present invention, and Drawing 3 (A) was a figure visually recognized from a wearer's back side, and Drawing 3 (B) is outline B- of Drawing 3 (A). B sectional drawing. The schematic sectional drawing at the time of mounting | wearing with the absorbent product of FIG. 1 and cut | disconnecting in the AA position of FIG. FIG. 2 is a schematic cross-sectional view when the absorbent product of FIG. 1 is mounted and cut at the position A′-A ′ of FIG. 1. FIG. 6 is a diagram for explaining the use state of the absorbent product of FIG. 1 at the cross-sectional position of FIG. 4. FIG. 6 (A) is a state in which loose stool is being excreted, and FIG. FIG. The schematic perspective view of the absorptive product concerning a 2nd embodiment of the present invention. The top view of the absorptive product concerning a 2nd embodiment of the present invention. The schematic sectional drawing at the time of mounting | wearing with the absorptive product of FIG. 7, and cut | disconnecting in the CC position of FIG. The schematic sectional drawing at the time of mounting | wearing with the absorbent product of FIG. 7, and cut | disconnecting in the position of DD of FIG. The schematic sectional drawing at the time of mounting | wearing with the absorbent product of FIG. 7, and cut | disconnecting in the position of EE of FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
The embodiment described below is a preferred specific example of the present invention, and thus various technically preferable limitations are given. However, the scope of the present invention is particularly limited in the following description. Unless otherwise stated, the present invention is not limited to these embodiments.
Moreover, in the following drawings, the parts denoted by the same reference numerals have the same configuration.
In the following description, unless otherwise specified, “front-back direction” refers to the direction connecting the lower abdomen, crotch, and buttocks of the wearer when the absorbent product is worn, and “left-right direction” refers to absorbability. It means the wearer's left and right direction when wearing the product (the direction connecting the right leg and the left leg).

[First Embodiment]
First, the absorbent product 10 which concerns on 1st Embodiment of this invention is demonstrated using FIGS. 1-5.
1 is a state where the absorbent product 10 is curved, and FIG. 2 is a plan view of the absorbent product 10 shown in FIG. In FIG. 3B, pants and a cover sheet described later are omitted. 4 and 5 are enlarged views around the elastic member 28. Moreover, in FIG. 5, the connection part 43 is shown with the parallel diagonal line for the convenience of understanding.
The absorbent product 10 in FIGS. 1 to 5 shows an example of an incontinence urine / feces pad (also referred to as “incontinence pad”) used in a pant as a preferred example of the present invention. The absorbent product of the present invention is not limited to incontinence but can also be used as a baby diaper. Moreover, it can be used as a disposable diaper such as a pants type in which the diaper itself is formed in a pants shape, or a tape type that is assembled into a pant shape with a tape and used, instead of being laid in the pants.

As shown in FIGS. 1 and 2, when the absorbent product 10 is expanded, the absorbent product 10 is generally flat and has a shape like a bag, and is long in one direction (Y direction in the figure). The longitudinal direction Y corresponds to the front-rear direction during wearing in the mounted state. The absorbent product 10 is attached from the lower abdomen side of the wearer to the buttocks side through the crotch part, and both end portions 10a, 10b in the longitudinal direction Y are arranged up to the wearer's waistline or a position close to the waistline in the pants. The
Moreover, the absorbent product 10 is mounted along the wearer's left-right direction in the width direction (short direction) X orthogonal to the longitudinal direction Y.
As shown in FIG. 2, the absorbent product 10 has a reduced width portion 12 formed in the absorbent product 10 by shortening the dimension in the width direction X in the vicinity of the central portion in the longitudinal direction Y. The reduced width portion 12 is a portion attached to the crotch portion.
The reduced width portion 12 is not located in the center in the longitudinal direction Y, but is slightly displaced toward the lower abdomen side end 10a, and the distance L1 from the reduced width portion 12 to the heel side end 10b is the reduced width portion. Longer than the distance L2 from 12 to the end 10a on the lower abdomen side. The shape from the reduced width portion 12 to the end portion 10b on the heel portion side and the shape from the reduced width portion 12 to the end portion 10a on the lower abdomen side are each generally circular. In addition, about the width direction X, the absorptive product 10 is left-right symmetric.

  The absorbent product 10 shown in FIG.1 and FIG.2 has a pair of side gathers 14 and 14 which stand on the skin side along the longitudinal direction Y. FIG. The side gathers 14 are standing portions for preventing so-called side leakage from which excrement leaks from the width direction X. Specifically, as shown in FIG. 1 and FIG. 4, along the longitudinal direction Y, the free end portion 15 a of the waterproof side sheet 15 connected to both ends in the width direction X of the absorbent product 10. The elastic material 16 such as synthetic rubber is connected in an extended state. The dimension between the pair of side gathers 14 and 14 corresponds to the dimension in the lateral direction of the crotch portion. When the absorbent product 10 is attached, the side seat 15 is erected by the force of the elastic material 16 and is freely The end 15a hits between the crotch and the vicinity of the base of the inner thigh, so-called side leakage can be prevented.

As shown in FIG. 4, such an absorbent product 10 is composed of a plurality of layers, a waterproof sheet 18 exposed on the outside (pants side), and a wearer US side (skin side) rather than the waterproof sheet 18. The absorbent body 19 and the top sheet 20 arranged closest to the wearer US are overlapped.
The waterproof sheet 18 is a member for preventing the excrement of the wearer US from passing through and preventing dirt on clothes, and is also called a back sheet. A known material can be used for the waterproof sheet 18 and is made of a flexible material, for example, a thin plastic film. Specifically, the waterproof sheet 18 can be a polyethylene film, a polyethylene laminated paper, or the like, and preferably is a non-permeable but moisture-permeable material such as a microporous waterproof resin film.

The absorber 19 is a member that absorbs and holds excrement, and is polymerized by being attached to the waterproof sheet 18 with hot melt or the like. It is preferable that the absorbent body 19 has a high retention property of the absorbed liquid and is relatively thin and not bulky. As such an absorber 19, for example, a pulp absorber formed by mixing a polymer that is an absorbent material with pulp, or spraying a polymer with pulp, and a polymer between the sheet materials made of pulp or the like with high density. A polymer sheet or the like arranged in a sheet shape can be used.
As shown in FIG. 2, the absorbent body 19 has a saddle shape or an hourglass shape in plan view, and has a larger area on the heel side than on the lower abdomen side.

The absorbent body 19 shown in FIG. 4 is wrapped in a tissue 17 so that its shape is maintained and it is prevented from being exposed to the outside. The tissue 17 is formed into a sheet by combining a soft material that absorbs liquid, such as pulp, rayon, cotton, kenaf, bagasse, silk, hydrophilic fibers (polyolefin, polyester, acrylic), etc. Things can be used.
Further, in the present embodiment, a cover sheet (this cover sheet is also called a surface material or a top sheet in an absorbent product in which the surface sheet 20 does not exist) that covers the tissue 17 is provided. The cover sheet 21 is a member through which body fluid can permeate. For example, a nonwoven fabric or a polyethylene sheet having fine pores sandwiched between the nonwoven fabric can be used.

The topsheet 20 is sheet-shaped, and when mounted, forms a storage space S for storing excrement between the absorber 19 and spatially connects the storage space S and the skin of the wearer US. Has the role of sorting.
The surface sheet 20 of this embodiment is formed from a nonwoven fabric. Known nonwoven fabrics can be used. For example, heat-bondable fibers (for example, PET / PE, PP / PE, PET / EP, PP / EP) obtained by fiberizing a synthetic resin are used for the thermal bond method or the spun bond method. It is formed by fusing without using a binder. Since such a nonwoven fabric is a material that hardly raises, it can be suitably used as a material that touches the user's skin, and can pass excrement to the absorbent body 19 side. This nonwoven fabric has liquid permeability and liquid permeability.

  As shown in FIGS. 3B and 4, the peripheral portion of the surface sheet 20 is connected to the absorber 19 side, but the region excluding the peripheral portion is connected to the absorber 19 side. Absent. The top sheet 20 is elastic so as to be separated from the absorber 19 (in the case of FIG. 4, so as to be separated from the portion of the cover sheet 21 covering the tissue 17 that wraps the absorber 19) at least in the crotch region. It has the elastic member 28 which exhibits force. The elastic member 28 has a strong tension in the state of FIG. 2 in which the absorbent product 10 is widened, whereas when the absorbent product 10 is bent in accordance with the curve in the front-rear direction of the wearer's crotch, the tension is not increased. Just loosen and contract, it does not bend like other members. Thereby, as shown in FIG.3 and FIG.4, the accommodation space S can be actively formed between the surface sheet 20 and the absorber 19. FIG.

  And as shown in FIG.1 and FIG.4, the surface sheet 20 has the passage part 25 for letting at least soft stool pass to the absorber 19 side, ie, the accommodation space S. As shown in FIG. Therefore, the loose stool excreted by the wearer moves to the accommodation space S through the passage portion 25 formed in the top sheet 20, and after the soft stool is accommodated in the accommodation space S, it is absorbed by the absorber 19. In the meantime, soft stool and skin are partitioned by the surface sheet 20, and even the soft stool that cannot be quickly absorbed by the absorbent body 19 can suppress the situation of soiling the wearer's skin. As will be described later, the passage portion 25 of the present embodiment can move not only soft stool but also urine to the accommodation space S side, and can move to the accommodation space S side unless the stool is large and hard. .

The absorbent product 10 of the present embodiment has the above characteristics, and further includes a characteristic elastic member 28, a passage portion 25, and a connecting portion 43.
First, the elastic member 28 will be described.
As shown in FIGS. 1 to 4, the elastic member 28 is connected to the topsheet 20 in a stretched state, and when worn, in the center of the wearer's width direction (left-right direction) X, the wearer's front-back direction It is arranged along. Therefore, as shown in FIG. 3 (B), when the absorbent product 10 is shaped along a curve connecting the lower abdomen, the crotch part, and the hip part, the elastic member 28 is contracted and the elastic member 28 is connected. The top sheet 20 is mounted along the shape of the crotch portion, as shown in FIG. 4 because the center portion in the width direction X is convex upward as shown in FIG. 3 (B). It becomes easy to do, and the accommodation space S can be formed large.

Specifically, as shown in FIGS. 3 and 4, the surface sheet 20 includes a skin-side surface sheet 26 made of a skin-side nonwoven fabric and an outer surface sheet 27 made of a nonwoven fabric on the absorber 19 side, An elastic member 28 such as a synthetic rubber is sandwiched between the skin side surface sheet 26 and the outer surface sheet 27, and the skin side surface sheet 26, the elastic member 28, and the outer surface sheet 27 are fixed to each other by being adhered to each other. Yes.
The elastic member 28 has a thin band-shaped synthetic rubber (for example, a polyurethane elastomer tape made of thermoplastic polyurethane in a tape shape so that the elastic member 28 does not feel as a foreign object when the thin surface sheet 20 touches the skin. ) Is preferably used.
In this embodiment, when the elastic member 28 in FIGS. 1 and 4 is contracted, the gathers 29 are formed in the vicinity of the elastic member 28 of the topsheet 20 (the left and right sides of the elastic member 28 in FIG. 4). The surface of the top sheet 20 is uneven. Thereby, even if the vicinity of the elastic member 28 is wet, a feeling of wearing can be improved.
Also, the elastic member 28 of the present embodiment is arranged from the lower abdomen through the crotch to the lower side of the buttocks when worn, as shown in FIG. 3, so that the largest possible accommodation space S can be formed. Is done.
The outer surface sheet 27 has a higher fiber density than the skin-side surface sheet 26, and as a result, body fluid is actively guided to the outer surface sheet 27 by capillary action, and movement of the body fluid to the skin-side surface sheet 26 is performed. Can be suppressed.

Next, the passage part 25 will be described.
As shown in FIG. 2, the passage portion 25 is formed by a plurality of slits arranged around the elastic member 28. The “periphery of the elastic member 28” means a region that receives the action of the elastic member 28.
Specifically, in the state of FIG. 2 in which the absorbent product 10 is stretched and spread, the passage portion 25 is a completely closed slit, and this slit is stretched against the elastic force of the elastic member 28 in the manufacturing process. It is formed by inserting a cutter from above the spread surface sheet 20. And in the attachment state, as shown in FIG. 1, the passage part 25 becomes a hole which a slit spreads a little in the width direction X, and opens to a predetermined magnitude | size.

As shown in FIG. 2, the plurality of slits for forming such a passage portion 25 are arranged intermittently along the longitudinal direction to form a row, and the plurality of rows are arranged in the width direction X. Column G1 to G6. In the present invention, the number of rows is not limited to the number shown in FIG. 2, but in the width direction X, it is preferable that the left and right rows are similar to each other around the elastic member 28.
The rows G3 and G4 closest to the center in the width direction X are arranged on the left and right sides of the anus adjacent to the wearer's anus when worn. An elastic member 28 is disposed between the rows G3 and G4 with a slight gap W1 from both sides of G4. Therefore, as shown in FIG. 4, the elastic member 28 is disposed substantially immediately below the anus, and the topsheet 20 fits into the cracks in the buttocks, and the topsheet 20 and the absorbent body 19 (in the case of the figure, the coversheet). 21) and a large storage space S for putting excrement can be formed.

In this regard, the passage portions (slits) 25 shown in FIG. 2 are arranged with their positions shifted in the longitudinal direction Y in the relationship between the columns G1 to G6 adjacent to each other. There is a standard for how to shift this position, and each along the boundary between the wearer's buttocks and inner thighs and / or the boundary between the buttocks and inner thighs (for example, the boundary between the buttocks HP and the inner thigh TH in FIG. 3). Passing portions (slits) 25 of the rows G1 to G6 are arranged. Thus, for example, even if excrement flows in the direction of the arrow R1 along the boundary between the hip HP and the inner thigh TH in FIG. 3A, the passing portions 25a, 25b, and 25c along the boundary shown in FIG. The excrement can be caught.
2 is assumed to be a general adult incontinence pad. For example, the length L3 is about 4 cm, and the interval L4 between the adjacent passages 25 in the longitudinal direction Y is the length of the passage 25. It is about 0.5 cm, which is about 1/8 of the length L3. In the present invention, the size, the interval, the number, the shape, and the arrangement of the passage portions 25 are not limited to the present embodiment, and may naturally be changed depending on the sex, size, application, etc. of the absorbent product. Absent.

The opening width of the passing portion 25 formed from the slits as described above is widened by the weight of excrement and the pressure of excretion.
FIG. 6 (A) shows a state in which the opening width of the passage portion 25 is widened. As shown in this figure, when the wearer excretes the loose stool CA, the pressure and weight at that time immediately below the anus portion. The elastic member 28 is pushed, and the soft stool CA tends to spread on both the left and right sides of the elastic member 28. And the opening width W2 of the passage part 25 of FIG. 1 spreads like FIG. 6 (A) by pushing the part 20a of the surface sheet 20 by the side of the elastic member 28 with the weight of the loose stool CA and the pressure at the time of excretion. The opening width W3 becomes large, and the soft stool CA moves from here to the accommodation space S relatively soon.
In addition, the passage part 25 of this embodiment is arrange | positioned in the area | region corresponding to the anal part AN shown in FIG.3 (B), the female external urethral opening part HR, and these periphery, and not only soft stool but a hard eye Even when urine or urine is excreted, the opening width is widened by the weight or pressure, and excrement can be moved to the accommodation space S.
Further, as shown in FIG. 6A, since the passage portion 25 is composed of a plurality of rows G1 to G6, the loose stool CA cannot be captured by the rows G3 and G4 of the passage portion 25 on the center side in the width direction X. Even in such a case, the soft stool CA can be moved to the accommodation space S by the passage portions 25 such as the outer rows G2, G5.

  When the stool is completely excreted, as shown in FIG. 6 (B), the topsheet 20 tries to return to the state before excretion by the force of the elastic member 28, and the passage 25 is also returned to the original state. The opening width W4 is smaller than the opening width W3 of 6 (A). The opening width W4 does not return to the same width as the width W1 in FIG. 1 because the shape of the topsheet 20 changes due to momentum during excretion or the like, that is, it may not be completely restored. Is restored. Therefore, the excrement accommodated in the accommodation space S can be effectively prevented from touching the skin.

Next, the connection part 43 is demonstrated using FIG.3 and FIG.5.
In the accommodation space S, liquid of excrement (liquid contained in urine, soft stool, etc., hereinafter referred to as “body fluid”) can be penetrated, and the topsheet 20 and the absorber 19 are partially connected to each other. The connecting portion 43 is provided. Therefore, even if the accommodation space S is a factor that hinders the movement of the body fluid attached to the top sheet 20 to the absorber 19, the body fluid attached to the top sheet 20 is guided to the absorber 19 side via the connecting portion 43. Can do. And since this connection part 43 connects the surface sheet 20 and the absorber 19 partially, the accommodation amount with respect to the soft stool of the accommodation space S is not inhibited significantly.

The connection part 43 of this embodiment partially loosens the outer surface sheet 27 made of nonwoven fabric, which is a layer on the absorbent body 19 side of the multi-layered topsheet 20, toward the absorbent body 19, so that the absorbent body 19 (specifically The cover sheet 21 is formed by connecting the cover sheet 21 to the absorber 19 including the cover sheet 21 in the first embodiment, and the loosened portion of the outer surface sheet 27 is the connecting portion. 43. The connection between the connecting portion 43 and the absorber 19 is preferably connected by thermocompression bonding so as not to inhibit urine penetration.
Further, the outer surface sheet 27 has a higher fiber density than the skin side surface sheet 26, and as a result, the fiber density of the connecting portion 43 is also formed higher than the fiber density of the skin side surface sheet 26. Thereby, the bodily fluid adhering to the surface sheet 20 can be actively guided to the absorber 19 side by a capillary phenomenon by the connecting portion 43 having a relatively high fiber density.

Further, the top sheet 20 and the container 19 are connected by a plurality of connecting portions 43. Specifically, as shown in FIG. 3, the connecting portion 43 is intermittently disposed along the elastic member 28 (along the front-rear direction Y), and is not particularly disposed around the anus AN. (The connecting portion 43 does not exist in the cross section of FIG. 4 corresponding to the anal portion AN), and is disposed intermittently around the female external urethral opening HR. Thereby, in the area | region around anal part AN, while being able to accommodate many soft stools in the accommodation space S, the urine excreted from the external urethral opening HR can be rapidly guide | induced to the absorber 19 side.
As shown in FIG. 5, a plurality of connecting portions 43 around the outer urethral orifice HR are arranged in the width direction X, and the connecting portions 43A close to the elastic member 28 and the width of the connecting portions 43A are larger than those of the connecting portions 43A. It has two connection parts 43B and 43C arranged on both outer sides in the direction X. Thus, by providing the some connection part 43, the bodily fluid is moved to the absorber 19 effectively. Note that the number of the connecting portions 43 of the present invention is not limited to this, but it is preferable to provide the connecting portions 43 </ b> A close to the elastic member 28. Thereby, after excretion, when the weight of the topsheet 20 is increased by the attached body fluid, the peripheral area of the elastic member 28 is in a state of being more intimately contacted with the skin than the other topsheet 20 areas by the elastic force. Even in this case, the body fluid adhering to the peripheral region of the elastic member 28 can be positively guided to the absorber 19 side. Therefore, it is possible to prevent the body fluid from coming into contact with the skin as much as possible, and to improve the wearing feeling.
Moreover, it is preferable to arrange | position the connection part 43 avoiding the passage part 25 so that the passage part 25 may be blocked and the movement to the accommodation space S of excrement may not be inhibited.

  The absorbent product 10 of 1st Embodiment is comprised as mentioned above, and excrement, such as a loose stool, can be moved to the absorber 19 side by the passage part 25, and remains in the surface sheet 20 without passing the passage part 25. The body fluid can be moved to the absorber 19 side via the connecting portion 43. Further, since the body fluid can move to the absorbent body 19 via the connecting portion 43, there is no need to connect the topsheet 20 and the absorbent body 19, and accordingly, a large accommodation space is provided between the topsheet 20 and the absorbent body 19. S can be formed and loose stool can be accommodated therein. Thus, regardless of urine or soft stool, it is possible to avoid as much as possible that excrement touches the body, and to avoid feeling uncomfortable and skin trouble after excretion.

[Second Embodiment]
Next, an absorbent product 95 according to the second embodiment of the present invention will be described with reference to FIGS.
FIG. 7 is a schematic perspective view of the absorbent product 95 in a curved state, FIG. 8 is a plan view after the absorbent product 95 is stretched and spread, and FIG. 9 is attached with the absorbent product 95. 10 is a schematic cross-sectional view when cut at a position C, FIG. 10 is a schematic cross-sectional view when the absorbent product 95 is mounted and cut at a position DD in FIG. 7, and FIG. It is a schematic sectional drawing at the time of mounting | wearing and cut | disconnecting in the position of EE of FIG. 7 and 8, for convenience of understanding, a connection area between the topsheet 40 and a nonexistence area 30 described later is indicated by parallel oblique lines. Further, in FIGS. 10 and 11, the connecting portion 50 is indicated by parallel oblique lines for the convenience of understanding.
The absorbent product 95 in these figures is mainly different from the absorbent product 10 in FIGS. 1 to 6 in that “the adhesion of the topsheet 40 to the skin is prevented as much as possible” and “passing part”. 25, maintaining the required opening width of 25 ”,“ points having functions other than the function of guiding the body fluid to the absorber 19 in the connecting portion 50 ”, and the like.

First, the point which prevents the close_contact | adherence to the skin of the surface sheet 40 as much as possible is demonstrated.
As shown in FIGS. 7 to 11, the absorbent product 95 also has a topsheet 40 that is arranged on the most wearer side and has a plurality of passage portions 25, as in the first embodiment. As shown in FIG. 10, the surface sheet 40 has a center portion 40D in the width direction X on the outer side (opposite to the skin) in the layer direction (the direction in which the waterproof sheet 18, the absorber 19, and the surface sheet 40 are stacked). ), Both outer sides in the width direction X are arranged on the skin side from the central portion 40D.
Specifically, the elastic member 28 provided along the longitudinal direction Y is provided on both outer sides with respect to the width direction X with the central portion 40D of the topsheet 20 therebetween, and is paired. The pair of elastic members 28, 28 are members that exert an elastic force so as to separate the topsheet 40 from the absorber 19, as in the first embodiment. For this reason, as for the surface sheet 40, the parts 40C and 40C connected to the elastic member 28 of both outer sides than the center part 40D of the width direction X are lifted to the skin side. And as for this surface sheet 40, the center part 40D of the width direction X is arrange | positioned in the outermost side (waterproof sheet 18 side), Thereby, the cross-sectional shape of the width direction X is made into M shape, and a wearer's skin and Basically, only the outer portions 40C and 40C of the topsheet 40 are in contact with each other. Therefore, it is possible to avoid as much as possible the excrement adhered to the top sheet 40 from touching the body. Moreover, the absorbent sheet 10 is recessed between the pair of elastic members 28 and 28 on the outer side opposite to the skin side in the mounted state by the top sheet 40 having a substantially M-shaped cross section in the width direction. A recess 68 is formed. Therefore, even if there is excrement that does not immediately pass through the passage part 25, such part of excrement can be temporarily placed in the recess 68 to prevent the excrement from contacting the skin.

  In addition, the absorbent product 95 of 2nd Embodiment is for men, and as shown in FIG. 7, it has the notch part 37 which can insert a penis in the surface sheet 40. As shown in FIG. The cut portion 37 has a cross shape that intersects the longitudinal direction Y and the width direction X. As shown in FIG. 9, the periphery of the cut portion 37 is a bag having a space S4 for inserting the penis PE, and the absorber 19 is present in the space S4 to absorb urine from the inserted penis PE. It is possible. About this incision part 37, it makes the perforated perforation formed by arranging a plurality of small incisions intermittently, and cuts the perforation when used by men, so that the absorbent product 95 is for men. You may make it the product for women.

Next, the point which maintains the required opening width of the passage part 25 of the surface sheet 40 is demonstrated.
The passage portion 25 of the second embodiment is also in the form of a slit formed between the pair of elastic members 28, 28 as shown in FIG. And as above-mentioned, as for the surface sheet 40, since the part 40C connected to the elastic member 28 is arrange | positioned in the skin side most, and center part 40D is arrange | positioned on the outermost side, as shown in FIG. It becomes a hole that spreads in the width direction X and opens to a predetermined size. The opening width W5 of the widened hole is generally larger than the opening width W2 of FIG. 1 due to the positional difference between the portion 40C and the central portion 40D of the topsheet 40. Therefore, even if excrement is discharged vigorously, The excrement can be moved more effectively to the accommodation space S side.
In addition, it is preferable that the passage part 25 is formed only between a pair of elastic members 28 and 28, as shown in FIG. Thereby, even if the portion 40B outside the width direction X of the top sheet 40 in the width direction X is closer to the skin than the center portion, excrement such as loose stool once stored in the storage space S through the portion 40B. Can be prevented from touching.

In this respect, as shown in FIGS. 7, 8, 10, and 11, in plan view (more specifically, the layer direction in which the waterproof sheet 18, the absorber 19, and the top sheet 40 are stacked, As seen from the Z direction in FIGS. 10 and 11, the non-existing region 30 where the absorber 19 does not exist is partitioned by the absorber 19. The “absent region 30 where the absorber 19 is not present” means a region where the absorber 19 is unable to exhibit the expected absorbency. For example, since the excrement is not substantially absorbed, This is a region where expansion is restricted. Further, “partitioned by the absorber 19” means that it is formed at a position surrounded by the absorber 19 in a plan view, or formed at a position sandwiched by the absorber 19. means. In addition, a part of the top sheet 40, in the case of the figure, a central portion 40 </ b> D in the width direction X is connected to the nonexistence region 30.
This non-existing area 30 mainly exhibits two functions, and the first is a function that effectively prevents a situation where the topsheet 40 touches the skin (hereinafter referred to as “skin contact prevention function”), The second function is to maintain the opening state of the passage portion 25 (hereinafter referred to as “passing opening portion maintenance function”). That is, if the topsheet 40 is connected to the absorbent body 19 (in the case of the figure, the cover sheet portion 21B covering the absorbent body 19), the topsheet 40 is expanded as the absorbent body 19 expands due to body fluid absorption. While being lifted and easily touching the skin, the positional difference between the outermost elastic member 28 of the top sheet 40 and the outermost central portion 40D is reduced, the opening degree of the hole of the passage portion 25 is also reduced, and loose stools are provided. It becomes difficult to pass through the passage part 25. Therefore, even if the absorbent body 19 expands, the upper and lower portions of the region where the absorbent body 19 is disposed are vertically arranged so that the positional difference between the skin-side elastic member 28 and the central portion 40D outside the topsheet 40 can be maintained. A portion that does not expand was formed, and the surface sheet 40 was connected thereto.

As shown in FIGS. 10 and 11, the non-existing region 30 is formed from a hole (through hole) of the absorbent body 19 so that the waterproof sheet 18 side is exposed, and the waterproof sheet 18 (waterproof) exposed from such a hole. It is preferable that the region includes other members connected on the sheet 18. Thereby, the expansion | swelling of the layer direction of the absorber 19 can be prevented reliably.
Further, by forming such a non-existing region 30, the inner surface 19 </ b> F of the hole is formed in the absorber 19. The area of the inner side surface 19F is larger than the plane area of the hole, and accordingly, the surface area of the absorber 19 is increased and the absorption rate can be improved. Moreover, when the non-existing region 30 is formed from a hole, the upper surface of the absorber 19 is in a so-called gel blocking state (a state in which the polymer component expanded by the absorption of the liquid component prevents the liquid component from entering the inside of the absorber 19). Even if it becomes, a bodily fluid can be absorbed from the inner surface 19F which is not in a gel blocking state. Thereby, the absorptive power of the absorber 19 can also be increased by utilizing the bottom surface side 19D of the absorber 19 which has been difficult to fully utilize the absorption capacity.
In addition, the aspect of the non-existence area | region 30 of this invention is not restricted to this, For example, you may form by notching the absorber 19. FIG.

  Further, when a hole (through hole) is formed in the absorbent body 19 to form the non-existing region 30, the waterproof sheet 18 side is exposed. In the present embodiment, the tissue 17 is formed on the exposed waterproof sheet 18. Of the cover sheet 21 and part 21A of the cover sheet 21 are stretched, and the stretched part and the waterproof sheet 18 are thermocompression-bonded and fixed (note that part 21A of the cover sheet 21 is Since it does not cover the absorber 19, it can no longer be said to be a cover sheet accurately). The central portion 40D of the topsheet 40 is connected and fixed to a part 21A of the cover sheet 21. The portion 21B of the cover sheet 21 covering the absorbent body 19 is not pierced by the absorbent body 19 that has expanded by absorbing body fluid, and has a slight dimensional allowance so that the upper portion of the absorbent body 19 is not damaged. It is preferable that it is covered with the tissue portion 17B and has elasticity in the width direction X.

  Further, as shown in FIGS. 7 and 8, the non-existing region 30 is formed at the center portion in the width direction X of the absorbent body 19 and is formed by extending in the longitudinal direction (front-rear direction when worn) Y. It consists of an elongated slot. As a result, when the absorbent product 95 is mounted, the absorbent product 95 can be mounted by valley folding by hand in the width direction X so that the non-existing region 30 that functions as a starting point of bending in the width direction X is on the lower side. Accordingly, in the topsheet 40, the positional difference between the periphery 40C of the elastic member 28 that comes into contact with the body and the central portion 40D connected to the non-existing region 30 increases, and the required opening degree of the holes constituting the passage portion 25 is maintained. It becomes easy to do. And for the wearer who is difficult to properly wear the absorbent product 95 because it is difficult to open the leg by making a valley fold at the position of the non-existing region 30 and reducing the dimension in the width direction X. The absorbent product 95 can be appropriately attached.

Next, a description will be given of the connection portion 50 having functions other than the function of guiding body fluid to the absorber 19.
As shown in FIGS. 9 to 11, in the second embodiment, similarly to the connecting portion 43 (see FIGS. 3 and 5) of the first embodiment, the connecting portion that guides the body fluid attached to the topsheet 40 to the absorber 19. 50.
In this regard, as shown in FIG. 3, the connecting portion 43 of the first embodiment is formed by partially loosening the outer surface sheet 27, which is a layer on the absorber 19 side of the surface sheet 20, to the absorber 19 side. Therefore, a space Sa defined by the connecting portion 43 is formed. Then, for example, loose stool that has been discharged vigorously may enter the space Sa from a space where the connecting portion 43 in FIG. 5 does not exist, and if loose stool enters the space Sa in FIG. Cannot move to the absorber 19 well. However, in 2nd Embodiment, as shown in FIG. 9, the connection part 50 is the wall shape formed without folding in the layer direction Z in the accommodation space S, and the space where excrement accumulates like FIG. Sa is not formed. Therefore, the connection part 50 of 2nd Embodiment does not catch a soft stool in the layer direction Z, and can move a soft stool to the absorber 19 smoothly. Specifically, in the case of FIG. 3, the plurality of connecting portions 43 includes a plurality of connecting portions 43 between the lower surfaces of the topsheets 20 and 40 shown in FIGS. 3 and 9 and toward the upper surface of the absorber 19. In the case of FIG. 9, each of the plurality of connecting portions 50A, 50B, 50C has an independent wall shape, and its wall surface is substantially straight. In addition, about this wall surface shape, this invention is not restricted to this, You may bend if excrement does not accumulate in the middle of a wall surface.

Such a plurality of connecting portions 50A, 50B, and 50C are intermittently arranged in the front-rear direction Y as shown in FIGS. 7 and 9, and as shown in FIG. A plurality of spaces S1, S2, S3, S4 are formed by partitioning. Specifically, by the connecting portions 50A and 50C, at least the spaces (spaces existing in the reduced width portion 12 in FIG. 7) S2 and S3 immediately below the narrowest crotch portion of the accommodation space S and the front and rear thereof The spaces S1 and S4 are partitioned. As a result, although loose stool can be accommodated in the space S1 immediately below the anus AN, the loose stool is vigorously excreted and the loose stool can flow into the narrow spaces S2 and S3 having a narrow crotch width. In addition, when urine is excreted vigorously from the penis PE, urine flows unnecessarily into the spaces S2 and S3, and excrement leaks out from the narrow part of the crotch part. (Hereinafter, such a function of the connecting portion 50 is referred to as a “excrement free movement restriction function”).
In FIG. 9, the space S1 immediately below the anus AN is formed larger than the other spaces S2, S3, and S4 in response to soft stools that require a larger space than urine because of slow absorption. Has been.

Here, as shown in FIGS. 10 and 11, the connecting part 50 does not completely block the accommodation space S in the width direction X, but a flow path for excrement to move in the front-rear direction Y of the accommodation space S. 49 is formed so that the front-rear direction Y is not completely partitioned.
Accordingly, the plurality of spaces S1, S2, S3, and S4 in FIG. 9 communicate with each other through the flow path 49 shown in FIGS. 10 and 11, for example, when the amount of soft stool is large and cannot be accommodated by the space S1 alone. Even if there is, the soft stool is moved to the space S2 ahead of the space S1 via the flow path 49, and the situation where the soft stool leaks to the skin side without entering the space S1 can be prevented. Further, even when the excrement cannot be accommodated in the spaces S2 and S3 corresponding to the reduced width portion 12 of FIG. 9 in the accommodation space S, the excrement is moved to the spaces S4 and S1 before and after that to reduce the reduced width portion. 12 can prevent so-called side leakage (hereinafter, the function of the connecting portion 50 is referred to as “external leakage prevention function”).

  As shown in FIG. 7, such a connecting portion 50 has a portion 40 </ b> F between the passage portions 25, 25 so as to avoid the passage portion 25, and the absorber 19 side, as shown in FIG. 7. As shown in FIGS. 9 to 11, the cover sheet 21 is connected to each other. In forming the connecting portion 50, although not shown in the figure, as an example, the surface sheet 40 is made into a plurality of layers as a whole, and thermocompression bonding is performed except for an upper layer and a lower layer of a predetermined region, and the thermocompression bonding is performed. When the lower layer portion of the unexposed region is hung down to be a single independent wall shape that does not fold back in the layer direction Z and is connected to the cover sheet 21, the lower layer not subjected to thermocompression bonding is used as the connecting portion 50. Is possible.

Of the plurality of connecting portions 50, connecting portions 50A and 50C provided between the reduced width portion 12 shown in FIG. 7 and the front and rear portions thereof (in FIG. 9, connecting portions 50A for partitioning the space S3 and the space S4). 10 and the connecting portion 50C that divides the space S2 and the space S1), in the case of FIG. 10, the accommodating space S between the pair of elastic members 28, 28 (in other words, the plurality of passage portions 25 of FIG. The housing space corresponding to the formed region). Therefore, there is a possibility that excrement will enter immediately from the passage portion 25 between the pair of elastic members 28, 28, and for example, soft urine and urine may flow vigorously from the spaces S1 and S4 in FIG. 9 to the spaces S2 and S3. Even if it exists, the free movement restriction | limiting function of the excrement mentioned above can be effectively exhibited by connection part 50A, 50C corresponding to the area | region where the passage part 25 is arrange | positioned as shown in FIG.
In addition, the flow path 49 is formed in the both sides of the width direction X of 50 A of connection parts about each of the left-right paired accommodation space S shown in FIG. Therefore, while suppressing the momentum of the excrement by the connecting portion 50A, the excrement can be moved to the front and rear spaces via the flow channel 49, and the above-described function of preventing excrement from leaking outside can be exhibited.

On the other hand, as shown in FIGS. 7 and 11, the connecting portion 50 </ b> B provided in the reduced width portion 12 is disposed outside the pair of elastic members 28, 28 in the width direction X. Accordingly, even if the outer portion 40B in the width direction X with respect to the elastic member 28 of the topsheet 40 comes into contact with the skin, such as by valley-folding the non-existing region 30 to the lower side, the outer portion 40B The adhering body fluid is positively guided to the absorber 19, and the situation where the body fluid adheres to the skin can be effectively prevented.
In addition, since the reduced width part 12 of FIG. 7 is an area | region where the dimension of the width direction X of the absorber 19 is small, about the accommodation space S of FIG. 11 corresponding to this reduced width part 12, the free movement of the excrement mentioned above is carried out. If the limiting function is performed too much, the risk of side leakage increases. Therefore, as shown in FIG. 11, the connecting portion 50B in the reduced width portion 12 has an accommodation space S (in this embodiment, between the pair of elastic members 28 and 28) corresponding to the region where the passage portion 25 is formed. ) Is not arranged, and this non-arranged space is defined as a flow path 49, so that even if excrement flows through the passage part 25 vigorously, the excrement moves immediately back and forth through the flow path 49. It is possible.

The absorbent product 95 of the second embodiment is configured as described above, and the topsheet 40 has a substantially M-shaped cross-section in the width direction X, and the topsheet 40 is allowed to be in contact with the wearer's skin. Limited as much as possible. Furthermore, the non-existence area | region 30 in which the absorber 19 does not exist is formed in the position enclosed by the absorber 19 in planar view, and center part 40D of the surface sheet 40 is connected to this non-existence area 30. FIG. For this reason, even if the absorber 19 expand | swells, the opening condition of the hole of the passage part 25 is maintained, Therefore Even if excrement flows vigorously, excrement can move from the passage part 25 to the accommodation space S. it can. And the connection part 50 can exhibit not only the function which guides the bodily fluid adhering to the surface sheet 40 to the absorber 19, but the free movement restriction | limiting function of the excrement mentioned above, and the external leakage prevention function of excrement with sufficient balance.
And since the bodily fluid adhering to the surface sheet 40 can move to the absorber 19 via the connection part 50, it is necessary to connect the surface sheet 40 and the absorber 19 in consideration of the movement of the body fluid to the absorber 19. In the first place. Moreover, even if the skin contact preventing function and the passing opening maintaining function of the nonexisting area 30 described above are taken into consideration, the dimension W6 of the nonexisting area 30 in the width direction X shown in FIG. On the other hand, from the viewpoint of securing the amount of the absorber 19, it is preferable that the dimension W6 of the non-existing region 30 composed of holes and notches is small. For this reason, in the second embodiment, the dimension W6 is made as small as possible within the range in which the connection state between the non-existing region 30 and the topsheet 40 can be maintained, and is shown in FIG. Thus, the topsheet 40 only connects a small range of the central portion 40D in the width direction X to the nonexistent region 30. For this reason, the accommodation space S defined by the topsheet 40 and the absorber 19 is not excessively small as in the prior art, and the accommodation space S that can effectively accommodate excrement such as loose stool can be formed.
Thus, it is possible to obtain an excellent absorbent product 95 that effectively avoids the excrement from touching the body regardless of whether it is urine or soft stool.

By the way, this invention is not limited to the said embodiment, The separate structure of the above-mentioned embodiment may be abbreviate | omitted as needed, or may be combined with the other structure which is not demonstrated.
For example, although the urine / feces pad is exemplified in the above-described embodiment, a pants-type diaper or the like may be used.
Further, the number, type, and dimensions of the passage means 25 of the present invention are not limited to the above-described embodiment. For example, when the slits are not used in the state of FIGS. In addition to holes, for example, bent holes, narrow oval / elliptical / triangular holes, and the like are also preferable. Alternatively, a slit and a long hole may be used in combination.
Moreover, in 2nd Embodiment, although 21 A of cover sheets which comprise the non-existence area | region 30, and the center part 40D of the surface sheet 40 are connected, it is the absorber 19 that is connected with the surface sheet 40. It may be the waterproof sheet 18 exposed by forming the non-existing region 30 by the holes or notches.
Further, the arrangement and the number of the elastic members 28 according to the present invention are not limited to the above-described embodiment. For example, in the second embodiment, the arrangement of the elastic members 28 in the width direction X is left and right with the center portion in between. You may have two each.
Moreover, although the connection parts 43 and 50 of embodiment mentioned above are connected to the cover sheet 21, they may be connected with the absorber 19 through another member, for example, may be connected with the tissue 17.

  DESCRIPTION OF SYMBOLS 10,95 ... Absorbent product, 18 ... Waterproof sheet, 19 ... Absorber, 20, 40 ... Surface sheet, 25 ... Passing part, 28 ... Elastic member, 43, 50 ... Connection part, 49 ... Flow path, S ... Storage space

Claims (2)

A waterproof sheet that prevents the passage of excrement,
An absorber that is disposed closer to the wearer than the waterproof sheet and absorbs the excreta,
A top sheet that is arranged on the most wearer side and is capable of penetrating the excrement liquid;
Is an absorbent product layered,
The topsheet has an elastic member for forming an accommodation space for accommodating the excrement between the absorber and exhibiting an elastic force so as to be separated from the absorber, and the excrement Having a passage for passing through the housing space;
The accommodation space is provided with a connecting portion capable of penetrating the liquid and partially connecting the topsheet and the absorber ,
The said connection part has divided the said front-back direction into the some, ensuring the flow path for the said excrement to move in the front-back direction of the said storage space at the time of wear, The absorbent product characterized by the above-mentioned . A waterproof sheet that prevents the passage of excrement,
An absorber that is disposed closer to the wearer than the waterproof sheet and absorbs the excreta,
A top sheet that is arranged on the most wearer side and is capable of penetrating the excrement liquid;
Is an absorbent product layered,
The topsheet has an elastic member for forming an accommodation space for accommodating the excrement between the absorber and exhibiting an elastic force so as to be separated from the absorber, and the excrement Having a passage for passing through the housing space;
The accommodation space is provided with a connecting portion capable of penetrating the liquid and partially connecting the topsheet and the absorber,
The connecting portion and the top sheet are formed from a nonwoven fabric,
The fiber density of the connecting portion is higher than the fiber density of the top sheet.
Absorbent product characterized by that.

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