JP5111054B2 - Cushioning material - Google Patents

Description

  The present invention relates to a cushioning material for protecting a product from an external impact generated when the product is transported.

  When storing items such as various products in the packaging container, if the space between the packaging container and the product is large, the product may rattle in the packaging container during transportation, and the product may be damaged or deformed. Therefore, in order to prevent damage and deformation of the product, it is common to place a cushioning material in the gap between the packaging container and the product and fix the product. In some cases, cardboard or polystyrene foam or the like molded into an arbitrary shape is fixed to a single plate formed of cardboard or the like.

  As such a cushioning material, the bonding position is shown in advance with a sewing machine blade or the like on a fixing plate formed from corrugated cardboard or the like, and a cushioning material such as laminated cardboard or styrofoam is fitted to the perforation or the like. In this case, a method is used in which positioning is performed using an adhesive or the like. However, even if positioning work is performed by perforation or the like in this way, the bonding method in which only one bottom surface of the buffer is bonded to the fixing plate has a low adhesive strength, and the buffer is easily peeled off from the fixing plate, After packing the product, there was a problem that the buffer was peeled off from the buffer material during transportation.

Therefore, a method for solving such a problem has been proposed. For example, Patent Document 1 discloses that a fixed plate formed from a single plate and a buffer material formed by adhering a buffer having a buffering action to the fixed plate are cut and raised at predetermined positions on the fixed plate. Is formed, and two adjacent surfaces of the buffer are bonded to the upper surface of the fixing plate and the side surface of the cut and raised, thereby facilitating the positioning operation and enhancing the bonding strength.
JP 2007-119008 A

  However, in the method of Patent Document 1, although the bonding strength of the buffer is three-dimensionally bonded by the two surfaces of the bottom surface and the side surface orthogonal to the bottom surface, the bonding strength is enhanced. When packing a stored item in which a large load is locally applied to the upper surface or the periphery, a large load is applied around the center of gravity of the stored item due to vibrations such as transportation. For this reason, for example, there is a possibility that the bonded portion between the fixed plate and the buffer is peeled off, and in particular, there is a possibility that the opposite side to the cut and raised on the bonding surface between the fixed plate and the buffer material is peeled off.

  In view of the above problems, the present invention not only facilitates the positioning of the buffer and improves the bonding work efficiency, but also strengthens the bonding strength of the buffer and further prevents the buffer from peeling off during transportation. An object of the present invention is to provide a cushioning material.

  In order to achieve the above object, the present invention provides a cushioning material formed by adhering a cushioning material having a cushioning action to a stationary plate formed from a single plate. A cut-and-raised portion that can be bent in an L-shape is formed, and the bottom surface, one side surface, and the top surface of the buffer are bonded to the fixed plate and the inner surface of the cut-and-raised portion, respectively.

The present invention, the buffer comprises a first buffer portion and a step so that the upper surface is higher than the first buffer portion with respect to the fixing plate to the other end which is formed at one end along the fixed plate become a and a second buffer portion formed by providing the cut-and-raised portion, the tip portion is bent from the first buffer portion to face to the second buffer section, the said cut-and-raised parts between the upper surface of the first buffer portion is characterized in that a predetermined gap is formed.

  Further, the present invention is characterized in that a waist fold portion having a lower bending strength than other portions is formed between the adhesive surfaces of the cut and raised portion with the first and second buffer portions.

  Further, the present invention is characterized in that a regulating member for regulating the movement of the buffer is provided on the opposite side of the cut-and-raised part across the buffer on the upper surface of the fixed plate.

  In addition, the present invention is characterized in that the tip end portion is bent toward the outer peripheral direction of the stored item.

  In the present invention, the fixing plate is composed of a flat plate and a corrugated plate, and a longitudinal direction receiving a load in parallel with a longitudinal direction of a thin tube formed by the flat plate and the corrugated plate, and a longitudinal direction of the thin tube. And a side end portion substantially parallel to a bending direction of the cut and raised portion is formed along a longitudinal direction of the thin tube of the fixing plate. It is said.

  According to the present invention, the buffer is composed of a flat plate and a corrugated plate, and the longitudinal direction receives a load parallel to the longitudinal direction of the thin tube formed by the flat plate and the corrugated plate, and the longitudinal direction of the thin tube. A laminated body formed by laminating a plurality of corrugated cardboard sheets having a transverse direction to receive a load at a right angle, and at least a part of the laminated body is disposed such that the thin tubes are perpendicular to the upper surface of the fixing plate. It is characterized by that.

According to the present invention, the narrow tube of the first buffer portion is arranged so as to be parallel to the upper surface of the fixed plate, and the thin tube of the second buffer portion is perpendicular to the upper surface of the fixed plate. It is characterized by being arranged like this.

  According to the first configuration of the present invention, it is possible to position the buffer simply by aligning with the cut-and-raised portion formed on the fixed plate, so that the positioning operation is facilitated and the bonding work efficiency can be improved. In addition, since the buffer can be bonded to the bottom, one side, and the top, the adhesive strength can be further strengthened, and the buffer can be prevented from peeling off during transportation. it can.

According to the 2nd structure of this invention, in the buffer material of the said 1st structure, a buffer is made into the 1st buffer part formed in the end along the fixing plate, and the 1st buffer part in the other end. consisted of the second buffer portion formed by providing a step as more positions of the upper surface is increased, so that the cut-and-raised portion is a tip portion directed from the first buffer portion to the second shock-absorbing portion the folding, by forming a predetermined gap between the cut-and-raised portion and the upper surface of the first buffer portion, and the side of the fixed end side of the cut-and-raised portion of the first buffer portion, a second shock-absorbing portion The cut-and-raised part can be adhered to the upper surface. As a result, while the load on the upper surface of the second buffer portion can be made, the load on the upper surface of the first buffer portion can be avoided, so the load can be applied according to the size, shape, internal structure, etc. of the stored item. Can be distributed, and can exhibit a buffering effect more effectively.

  Further, according to the third configuration of the present invention, in the cushioning material of the second configuration described above, the bending strength between the adhesive surfaces of the cut and raised portions with the first and second cushioning portions is lower than that of other portions. Cushioning properties can be imparted between the adhesive surfaces by forming a possible waist fold. Thereby, even if the positional relationship between the buffer and the stored item changes due to vibrations such as transportation and the stored item unexpectedly rides between the bonding surfaces, the buffering function can be sufficiently exerted.

  Further, according to the fourth configuration of the present invention, in the cushioning material of any one of the first to third configurations, the cushioning material on the side opposite to the cut-and-raised portion sandwiching the cushioning material on the upper surface of the fixing plate, By providing the regulating member that regulates the movement, the buffer can be prevented from moving in the horizontal direction, and deformation and tilting due to the movement can be prevented, so that the buffer can be further prevented from peeling off.

  Further, according to the fifth configuration of the present invention, in the cushioning material of any one of the first to fourth configurations, by bending the cut and raised portion so that the tip portion is directed toward the outer peripheral direction of the stored item, For example, even if the center of gravity of the stored item is unevenly distributed closer to the outer periphery, the buffered material can be further prevented from being deformed or tilted due to vibrations such as transportation, and the buffered material can be further prevented from falling off.

  Further, according to the sixth configuration of the present invention, in the cushioning material of any one of the first to fifth configurations, the single plate formed from the corrugated cardboard sheet having the vertical direction and the horizontal direction on the fixed plate. By using and forming the side end portion in the bending direction of the cut-and-raised portion along the longitudinal direction of the thin tube of the fixed plate, the cost can be reduced and the pressure-resistant strength of the cut-and-raised portion can be increased. Moreover, when the cut-and-raised portion has a space between the bonding surfaces, cushioning properties and durability between the bonding surfaces can be improved.

  According to the seventh configuration of the present invention, in the cushioning material of the first to sixth configurations, the cushioning material is a laminated body formed by laminating a plurality of cardboard sheets having a longitudinal direction and a lateral direction. By arranging the thin tubes of the laminate so as to be perpendicular to the upper surface of the fixed plate, the pressure resistance strength of the buffer can be increased.

According to the eighth configuration of the present invention, in the cushioning material of the seventh configuration, the narrow tube of the first buffering portion is disposed so as to be parallel to the upper surface of the fixed plate, and the second buffering is performed. By arranging so that the thin tube of the portion is perpendicular to the upper surface of the fixing plate, the pressure resistance strength is increased on the upper surface of the second buffer portion , while cushioning is exhibited on the upper surface of the first buffer portion. it can. Thereby, even if the positional relationship between the stored item and the buffered item changes and the stored item unexpectedly rides on the upper surface of the first buffering unit , problems such as deformation of the buffered item can be prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Here, as an example of a buffer material to which the first buffer material and the second buffer material according to the present invention are applied, a buffer material for an image forming apparatus (hereinafter referred to as an apparatus buffer material) will be described. FIG. 2 is a development view of a fixing plate for a cushioning material for an image forming apparatus provided with the first and second cushioning materials of the present invention, and FIG. 2 is a view of a region A (shown by a one-dot chain line) in FIG. FIG. FIG. 3 is a partially enlarged development view around the first cut and raised portion of the fixed plate. In FIG. 1 and FIG. 3, the cut-out portion is indicated by hatching, the cut line is indicated by a solid line, and the valley fold line is indicated by a broken line.

  The fixed plate 1 is formed by assembling a single sheet punched into a predetermined shape as shown in FIG. 1, and roughly includes a plurality of (two) first cut and raised portions (cut and raised portions). ) 11, a plurality (two) of second cut and raised portions (cut and raised portions) 14, and a plurality (two) of cut and raised pieces 21.

  As shown in FIG. 2, the fixing plate 1 is a corrugated cardboard sheet 2. The corrugated board sheet 2 uses a flat plate 3 and a corrugated plate 4 bent into a wave shape of continuous peaks and valleys, sandwiches the corrugated plate 4 between the flat plates 3, and joins the flat plate 3 and the peaks and valleys of the corrugated plate 4 with an adhesive. The plurality of thin tubes 5 are formed by the corrugated plate 4 between the flat plates 3. In FIG. 1, the longitudinal direction of the thin tube 5 is the vertical direction of the drawing.

  Further, the corrugated cardboard sheet 2 exhibits cushioning properties when the corrugated plate 4 is deformed against a load from the direction perpendicular to the longitudinal direction of the thin tube 5 (lateral direction, vertical direction or horizontal direction in FIG. 2), With respect to the load from the longitudinal direction of the thin tube 5 (longitudinal direction, the direction perpendicular to the paper surface of FIG. 2), the corrugated sheet 4 is not easily deformed, so that the pressure resistance strength is increased and the deformation amount against the load impact is reduced. In addition, by laminating the corrugated cardboard sheets 2, this effect can be enhanced.

  Here, by using a single plate formed from the corrugated cardboard sheet 2 as the fixing plate 1, it becomes easy to mold, and depending on the direction of the thin tube 5, it is possible to increase the cushioning property or increase the pressure resistance, The fixing plate 1 is not particularly limited, and a resin sheet or the like can also be used. Further, the corrugated cardboard sheet 2 and the resin sheet can be made into a laminate. Further, the end portions of the fixed plate 1 on the upper, lower, left, and right sides in FIG.

  Next, the 1st raising part 11 is demonstrated. The 1st raising part 11 is for forming the 1st shock absorbing material 51 (refer FIG. 6, FIG. 7). As shown in FIGS. 1 and 3, two first cut-and-raised portions 11 that are continuous with the fixing plate 1 through the folding line L <b> 1 are provided near the upper center of the fixing plate 1. The first cut-and-raised portions 11 are arranged at a predetermined interval from the end portion 1b of the fixed plate 1 in the 1d direction (left-right direction in FIG. 1). A fold line L2 that is substantially parallel to the fold line L1 is provided at the center in the longitudinal direction of the first cut and raised portion 11. Further, the first cut-and-raised portion 11 is provided with a waist folding hole 12 that straddles the fold line L <b> 2 along the longitudinal direction of the first cut-and-raised portion 11.

  A semicircular punching hole 13 for inserting a finger to cause the first cut-and-raised 11 is provided at a position adjacent to the center of the distal end portion 11a of the first cut-and-raised portion 11. The first cut-and-raised portion 11 can be bent into a substantially L shape by bending the cut-and-raised portion 11 along the fold line L1 and then bending the cut-and-raised portion 11 along the fold line L2.

  Further, the first cut-and-raised portion 11 is arranged so that the tip end portion 11a faces the outer peripheral side of the fixing plate 1, that is, the end portion 1a side when bent in this way. Further, as shown in FIG. 3, the first cut-and-raised portion 11 will be described later in a pasting region D (shown by hatching) on the side surface of the fixed end 11b and a pasting region E (shown by hatching) on the side surface of the tip portion 11a. It can adhere | attach with the 1st buffer 41 (refer FIG. 7).

  Next, the 2nd raising part 14 is demonstrated. The 2nd raising part 14 is for forming the 2nd shock absorbing material 53 (refer FIG. 6, FIG. 8). Near the end 1c at the center of the fixed plate 1, at a position facing the first cut-and-raised portion 11 with a predetermined distance from each other, a second cut-and-raised portion 14 that is continuous with the fixed plate 1 via the folding line L3. Are provided. Further, a fold line L4 substantially parallel to the fold line L3 is provided at the center in the longitudinal direction of the second cut and raised portion 14.

  Similar to the first cut-and-raised part 11, a semicircular hole for inserting a finger to cause the second cut-and-raised part 14 at a position adjacent to the central part of the tip part 14a of the second cut and raised part 14 15, the second cut-and-raised portion 14 is bent along the fold line L3, and further bent along the fold line L4, whereby the second cut-and-raised portion 14 can be bent into a substantially L shape. it can. Further, the second cut-and-raised portion 14 is arranged so that the tip end portion 14a faces the outer periphery of the fixing plate 1, that is, the end portion 1c side when bent in this manner.

  Next, other parts formed on the fixed plate 1 will be described. In FIG. 1, the first cut-and-raised portion 11 and the second cut-and-raised portion 14 on the end 1 b side of the fixed plate 1 and the end 1 b side of the second cut-and-raised portion 14 are continuously cut and raised through the folding plate 5. Two pieces 21 are provided, and these are arranged at a predetermined interval from the end 1a in the 1c direction (vertical direction in FIG. 1). As described above, a semicircular punching hole 22 for inserting a finger to cause the cut-and-raised portion 21 is provided at a position adjacent to the central portion of the tip 21a of the cut-and-raised piece 21. Is cut along the fold line L5, whereby the cut and raised piece 21 can be caused.

  In addition, projecting pieces 23, 24, 25, and 26 are formed in order at the center of the end portions 1 a to 1 d of the fixed plate 1, and the projecting pieces 23 to 26 are disposed on both left and right sides of the projecting pieces 23 to 26. Two flaps 27, 28, 29, and 30 that are continuous with the fixing plate 1 are formed via folding lines L 6, L 7, L 8, and L 9 that are substantially parallel to the respective side edges. The protruding pieces 23 and 25 of the end portions 1a and 1c are convex, the protruding piece 24 of the end portion 1b is substantially L-shaped, and the protruding piece 26 of the end portion 1d is substantially rectangular.

  Further, at the end portions 1a, 1b, and 1c, both side end portions of the projecting pieces 23, 24, and 25 and the flaps 27, 28, and 29 are adjacent to each other, Semi-circular holes 31 and 32 for inserting fingers and pulling out the flaps 27 and 28 are formed. Further, on the end 1d side of the fixed plate 1, a display portion B (a chain line region) indicating the mounting direction of the image forming apparatus is formed. These projecting pieces 23 to 26, flaps 27 to 30, punch holes 31 and 32, and display portion B are positioned when an image forming apparatus (not shown) is placed after the buffer material 50 for the apparatus (see FIG. 6) is formed. Used for etc.

  Next, a description will be given of the buffer bonded to the fixing plate 1, the first cut and raised portion 11, the second cut and raised portion 14, and the cut and raised piece 21. Fig.4 (a) is a top view which shows a 1st buffer, FIG.4 (b) is the side view which looked at Fig.4 (a) from the left side. Portions common to those in FIG. 2 are denoted by common reference numerals and description thereof is omitted.

  As shown in FIG. 4, the first buffer (buffer) 41 is a first laminate (first buffer) in which the cardboard sheets 2 are laminated so that the thin tubes 5 are substantially parallel to the bottom surface 41 a (see FIG. 4B). 1 buffer portion) 42 and the thin tubes 5 are stacked so as to be perpendicular to the bottom surface 41a (see FIG. 4A), and are stacked so that the top surface is higher than the first stacked body 42 with respect to the bottom surface 41a. And a second laminated body (second buffer portion) 43.

  Thereby, as above-mentioned, in the 2nd laminated body 43, pressure-resistant intensity | strength can be made high and the deformation amount with respect to a load impact can be decreased. On the other hand, the first laminated body 42 can improve cushioning properties. Here, the first buffer 41 is disposed in a substantially U-shaped space formed by the first cut and raised portion 11 and the fixing plate 1 described later, and is formed in a size corresponding to the space. Has been.

  Moreover, Fig.5 (a) is a top view which shows a 2nd buffer, FIG.5 (b) is the side view which looked at Fig.5 (a) from the left side. Portions common to those in FIG. 2 are denoted by common reference numerals and description thereof is omitted. As shown in FIG. 5, the second buffer (buffer) 44 is a laminated body in which the corrugated cardboard sheets 2 are laminated so that the thin tubes 5 are in the same direction.

  As will be described later, here, in order to increase the pressure resistance strength, the bottom surface portion 44a is disposed on the fixed plate 1 with the bottom surface portion 44a facing down. However, when it is desired to enhance cushioning, the bottom surface 44a is directed horizontally. What is necessary is just to arrange | position and these can be suitably set according to a stored item. Here, the second buffer 44 is disposed in a substantially U-shaped space formed by the second cut and raised portion 14 and the fixing plate 1 described later, and is formed in a size corresponding to the space. ing.

  As will be described later, when the second buffer material 44 is formed with another buffer material 54 (see FIG. 6), when the cut-and-raised piece 21 is caused, the end 1c side of the cut-and-raised piece 21 (see FIG. 6), the cross section along the longitudinal direction of the second buffer 44 is cut and raised so as to be approximately the same size as the piece 21.

  Next, the formation of the buffer material 50 for an apparatus using the fixed plate 1 and the first buffer 41 and the second buffer 44 will be described. FIG. 6 is a plan view showing a state in which the shock absorber for the device is assembled. FIG. 7 is a view showing a state in which the first cushioning material is assembled, and is a partial side view seen from the right side of FIG. 6. FIG. 8 is a view showing a state in which the second cushioning material is assembled, and is a partial side view seen from the left side of FIG. Portions common to FIGS. 1 to 5 are denoted by common reference numerals, and description thereof is omitted. 7 and 8, the first buffer 41 and the second buffer 44 are shown by hatching, and a part of the hatching is shown as a cross-sectional view in order to show the stacked state of the corrugated cardboard sheet 2.

  First, formation of the 1st shock absorbing material 51 using the fixed board 1 and the 1st shock absorbing material 41 among the shock absorbing materials 50 for apparatuses is demonstrated. When the first cut-and-raised portion 11 is bent along the fold line L1 and then bent along the fold line L2, the cut-and-raised portion 11 opens toward the end 1a side (the upper side in FIG. 6 and the right side in FIG. 7). The cross section is formed in an L shape.

  A first buffer 41 is inserted into a U-shaped space formed by the cut and raised portion 11 and the fixed plate 1, and as shown in FIG. 7, the bottom surface portion 41 a of the first buffer 41 and the fixed plate 1. The side surface portion 42a of the first laminated body 42 opposite to the second laminated body 43 and the attachment region D (adhesion surface) of the first cut-and-raised portion 11 are adhered to each other, and the second laminated body is adhered. The first cushioning material 51 can be formed by bonding the upper surface 43a of the body 43 and the attachment region E (adhesion surface) of the first cut and raised portion 11.

  At this time, a space S (gap) in which the first cut and raised portion 11 does not contact the first and second stacked bodies 42 and 43 is formed between the pasting regions D and E in the first buffer material 51. In the space forming part 11c, which is a part forming the space S in the first cut and raised part 11, a waist folding hole 12 (broken line) is arranged.

  Further, on the upper surface of the fixing plate 1, a regulation in which two cardboard sheets 2 are laminated at a position on the opposite side of the second laminated body 43 from the first laminated body 42 and in contact with the second laminated body 43. A laminated body (regulating member) 52 is adhered. Thereby, it can prevent that the 1st buffer 41 moves to the horizontal direction of the stationary plate 1, especially the outer side (the upper side of FIG. 6, the right side of FIG. 7). The arrangement direction of the thin tubes 5 of the corrugated cardboard sheet 2 in the regulation laminate 52 may be appropriately set in consideration of the above-described pressure resistance and cushioning properties.

  Next, the formation of the second buffer material 53 using the fixed plate 1 and the second buffer material 44 will be described. When the second cut-and-raised portion 14 is bent along the fold line L3 and then bent along the fold line L4, the second cut-and-raised portion 14 is moved to the end 1c side of the fixing plate 1 (the lower side in FIG. 6, FIG. 8). It is formed in an L-shaped cross section that opens toward the right side of the screen.

  A second buffer 44 is inserted into a U-shaped space formed by the cut and raised portion 14 and the fixing plate 1, and as shown in FIG. 8, the bottom portion 44 a of the second buffer and the fixing plate 1 The upper surface is bonded, the side surface portion 44b of the second buffer 44 is bonded to the side surface of the fixed end portion 14b of the second cut and raised portion 14, and the upper surface 44c of the second buffer material 44 and the tip of the second cut and raised portion 14 are bonded. The second cushioning material 53 can be formed by bonding the side surface of the portion 14a. Here, as shown in FIG. 8, the thin tubes 5 (broken lines) of the second buffer 44 are arranged in a direction perpendicular to the fixed plate 1. Further, the space S as described above is not formed between the second cut and raised portion 14 and the second buffer 44.

  On the other hand, when the cut and raised piece 21 is bent along the fold line L3, the cut and raised piece 21 protrudes above the fixed plate 1 (in the direction perpendicular to the paper surface of FIG. 6). Then, the bottom surface portion 44a (see FIG. 5) of the second buffer 44 is bonded to the upper surface of the fixing plate 1, and the side surface 44b of the end buffer 1 and the side surface 44b of the second buffer 44 are bonded to each other. Thus, another conventionally known cushioning material 54 can be formed.

  In this way, by forming the first and second buffer materials 51 and 53 and the other buffer material 54, the device buffer material 50 can be formed. The image forming apparatus is placed on the apparatus cushioning material 50, and the buffering action of the apparatus cushioning material 50 at this time will be described below. 9 is a plan view showing a state where the bottom of the image forming apparatus is placed on the buffer material for the apparatus, and FIG. 10 is a diagram showing a state where the bottom of the image forming apparatus is placed on the first cushioning material. 9 is a partial side view seen from the right side of FIG. 9.

  In FIG. 9, the apparatus bottom 60 of the image forming apparatus and the main constituent members disposed on the apparatus bottom 60 are indicated by broken lines. 9 and 10 show a base 63, a transport unit 66, a side cover 67, an opening / closing cover 68, and the like as the apparatus bottom 60. FIG. As shown in FIG. 9, the four end portions of the apparatus bottom portion 60 are respectively defined as an end portion 60b, an end portion 60c, and an end portion 60d from the end portion 60a (upper side in FIG. 9) on the transport unit 66 side.

  The base 63 is formed of a substantially rectangular plate made of steel, and the end portion 60a side of the base 63 is cut out in a concave shape, and a transport unit 66 for transporting paper is disposed in the cut out portion. ing. Further, a rib 63a protruding upward (perpendicular to the paper surface of FIG. 9, upper side of FIG. 10) is provided on the outer periphery of the base 63, and the image forming apparatus is not shown at a substantially central portion of the base 63. An opening 64 is provided for disposing the constituent members. The opening 64 is provided with a rib 64a as described above.

  A resin side cover 67 is disposed outside the outer periphery of the base 63, and an openable opening / closing cover 68 is provided at the lower end of the end of the side cover 67 on the transport unit 66 side. When a jam occurs in the transport unit 66, the jam can be removed by opening the opening / closing cover 68 and opening the transport unit 66.

  And the buffering effect | action with respect to the edge part 60a side of the apparatus bottom part 60 by the 1st buffer material 51 is demonstrated. Since the inner side surface of the transport unit 66 is provided with a sensor such as an actuator, the end portion 60a is disposed so that the transport unit 66 is separated from the first cushioning material 51 by a predetermined distance. .

  When the end 60 a side of the apparatus bottom 60 is placed on the first buffer material 51, the second stacked body 43 receives a load. At this time, since the center of gravity of the apparatus main body is unevenly distributed near the heavy transport unit 67, when the apparatus main body is subjected to vibrations caused by transportation or the like, the apparatus main body easily shakes in the direction of 60c (up and down direction in FIG. 9), and It becomes easy to incline toward the end portion 60a, and the adhesive surface between the first buffer 41 and the fixing plate 1 receives a force in a direction to peel off the fixed end portion 11a side.

  However, in the first buffer material 51, as shown in FIG. 10, the bottom surface portion 41 a of the first buffer material 41, the side surface portion 42 a on the fixed end portion 11 a side of the first stacked body 42, and the top surface portion of the second stacked body 43. Since the three surfaces 43a are bonded to the upper surface of the fixing plate 1 and the first cut-and-raised portion 11, the adhesive strength is high, and the first buffer 41 can be prevented from peeling off from the upper surface of the fixing plate 1.

  Even if the first cushioning material 51 is subjected to large vibrations and unexpected peeling occurs in the bonding surface with the fixing plate 1 or in the bonding region D, the first buffer material 51 is bonded to the fixing region 1 by the bonding in the bonding region E. It is possible to prevent the one buffer 41 from being tilted in the outer peripheral direction of the fixing plate 1 (upper side in FIG. 9, right side in FIG. 10).

  Further, by preventing the first buffer 41 from peeling off, the first buffer 41 tilts toward the end 60a, and the side surface 43b on the opposite side of the second stack 43 from the first stack 41 is transported. Collision with the inner side surface of the unit 66 can be prevented. Thereby, damage and dropout of members such as the actuator provided on the inner side surface portion can be prevented.

  Here, in the vicinity of the rib 63a and the rib 64a in the base 63, the pressure resistance strength is increased by the rib formation. However, in the flat portion 69 that is a substantially flat portion sandwiched between the ribs 63a and 63b and separated from the ribs 63a and 64b, the pressure strength is not as high as that in the vicinity of the ribs 63a and 64a. For this reason, when the load of the apparatus main body is applied to the flat portion 69, the flat portion 69 may be deformed.

  However, by using the first buffer material 51, the vicinity of the rib 63a is supported by the second stacked body 43, and the flat portion 69 is separated from the first cut-and-raised portion 11 and the space S by the first stacked body 42. Since it can arrange | position upwards, generation | occurrence | production of the load which the flat part 69 receives as a repulsive force by applying the load to the 1st laminated body 42 can be avoided.

  In this way, while applying a load in the vicinity of the rib 63a, it is possible to distribute the load according to the package by preventing the load from being applied to the flat portion 69, thereby preventing deformation of the base 63. can do. Moreover, since the rib 63a vicinity can be supported by the 2nd laminated body 43 with comparatively high pressure | voltage resistant strength, the buffering effect of the 1st buffer material 51 can fully be exhibited.

  Further, since the first cut-and-raised portion 11 is provided with a waist folding hole 12, the waist is broken when the space forming portion 11c receives a load and exhibits cushioning properties. As described above, by forming the first cut-and-raised portion 11 with a portion whose bending strength is weaker than other portions, the first buffer 41 is unexpectedly deformed or tilted as described above. Even when it is placed on the space forming portion 11c of the first cut-and-raised portion 11, the space forming portion 11c bends downward and has cushioning properties, so that deformation of the flat portion 69 can be prevented.

  In addition, here, as described above, the first buffer 41 is formed from two laminated bodies, and the first laminated body 42 is disposed so as to have cushioning properties, so that the flat portion 69 is unexpectedly formed on the first laminated body 42. Even if it rides on, the deformation | transformation of the flat part 69 can be prevented. However, as described above, since the space forming portion 11c has cushioning properties, the deformation of the flat portion 69 can be sufficiently prevented even if the second stacked body 42 does not have cushioning properties.

  Therefore, for example, as shown in FIG. 11, the first buffer 41 can be formed from a single laminate. Fig.11 (a) is a top view which shows another example of a 1st buffer, FIG.11 (b) is the side view seen from the left side of Fig.11 (a). As shown in FIG. 11, the first buffer 41 is laminated so that the thin tubes 5 are perpendicular to the bottom surface portion 41a, and the distal end portion 11a side portion 41c from the fixed end portion 11a side portion 41b (first buffer portion). For example, the second buffer portion can be formed by punching so that the position of the upper surface is higher than the bottom surface portion 41a. As a result, the pressure resistance strength of the first buffer 41 can be increased, and the cost can be reduced, for example, by avoiding an increase in the number of parts and a pasting operation.

The fixing plate 1 as described above, by using a cardboard sheet 2 as a first slow 衝物 41 or the second buffer material 42, pressure strength by forming direction of the cut-and-raised portion 11 with reduced costs, to be formed Can be changed. Furthermore, since the 1st cut-and-raised part 11 is formed along the thin tube 5 of the fixed plate 1 here (refer FIG.1 and FIG.2), the 1st cut-and-raised part 11 is affixed here. The vertical pressure strength in the region D can be increased, and the cushioning property and durability in the space forming portion 11c can be enhanced.

As described above, the first slow衝材51, the first cut-and-raised portion 11 the deformation of the first buffer material 41, although spalling from the upper surface of the tilting and the fixing plate 1 is prevented, further, laminating regulation By providing the body 52, the movement of the first buffer 41 to the end 1a side (the upper side in FIG. 9 and the right side in FIG. 10) can be restricted. Thereby, the deformation | transformation and inclination of the 1st buffer 41 can be prevented more according to vibrations, such as transport, and the peeling of the 1st buffer 41 can be prevented more.

  Note that the higher the restriction laminate 52 is, the more the movement of the first buffer 41 can be restricted. However, since the conveyance unit 66 is disposed outside the first buffer material 41, the conveyance unit 66 is provided here. The height is set at a predetermined distance from the lower end so as not to contact the lower end. As described above, the height of the regulation laminate 52 can be appropriately set according to the size, shape, internal structure, and the like of the package placed on the first cushioning material 51.

  Further, as described above, the space forming portion 11c of the first cut and raised portion 11 has the waist folding hole 12 formed therein. However, the space forming portion 11c can be deformed to exhibit cushioning properties. If so, a cutting blade, a perforation, a half cut, and the like can be formed. Further, the space forming portion 11c can be deformed in advance before placing the package.

  In addition, when the first cut and raised portion 11 is bent in a substantially L shape, the distal end portion 11a is disposed so as to face the end portion 1a side of the fixing plate 1 (the outside of the apparatus main body, the upper side of FIG. 9). Even when a heavy member such as the transport unit 66 is arranged outside the first buffer material 51 and the center of gravity of the apparatus main body is unevenly distributed outward, the first buffer 41 is more inclined to the outside. It is possible to prevent the first buffer 41 from peeling off.

  The shape of the first buffer 41 is not particularly limited as long as it can be bonded to the upper surface of the solid plate 1 and the three surfaces of the first cut-and-raised portion 11 and the pasting regions D and E. It can be set as appropriate according to the size, shape and the like. Further, even when the first buffer 41 is formed so that the position of the upper surface is higher on the tip end 11a side than on the fixed end portion 11b side, the shape is not limited to the above shape, and is appropriately Can be designed.

  Next, the operation of the second cushioning material 53 on the end 60c side of the apparatus bottom 60 will be described. As shown in FIG. 8 described above, the second cushioning material 53 uses a second cushioning material having a substantially rectangular cross section in that the second cut-and-raised portion 14 is not provided with the waist folding hole 12. It is the same as the first cushioning material except that the three continuous surfaces are bonded by the second cut-and-raised portion 14, the space forming portion 11c is not provided, and the regulation laminate 52 is not provided. Therefore, the description is omitted.

  Here, as shown in FIG. 9, the transport unit 66 or the like is not disposed at the end 60 c, but the transport unit 66 that is a heavy object is disposed at the end 60 a of the apparatus bottom 60. As described above, the apparatus main body easily swings from the end 60a to the end 60c (vertical direction in FIG. 9) due to vibrations such as transportation. Therefore, by using the second buffer material 53 for the end portion 60c, the end portion 60c can be supported without the second buffer material 44 peeling off.

  Thus, the two first and second cushioning materials 51 and 53 are used for the end portions 60a and 60c, respectively, and the apparatus bottom portion 60 is mainly supported by the end portions 60a and 60c. Thereby, peeling can be prevented, maintaining the buffer performance of the 1st and 2nd buffer 41 and 44 at the time of transport.

  On the other hand, with respect to the direction from the end 60b to the end 60d (the left-right direction in FIG. 6), for example, by using another cushioning material 54 conventionally used on the end 60b side, Inclination to either the end 60b side or the end 60d side is prevented. It is of course possible to use the first or second buffer material 51 or 53 instead of the other buffer material 54.

  In addition, this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the meaning of this invention. For example, in the above-described embodiment, the first and second buffer materials 51 and 53 are provided two by two, but only one of the first and second buffer materials 51 and 53 is used as the device buffer material 50. You can also. Moreover, even when these are used together, the combination is not limited to the above embodiment, and can be set as appropriate according to the size and shape of the stored items, the internal structure, and the like. Further, as described above, a conventionally known cushioning material can be used in combination, and the quantity and arrangement to be arranged may be appropriately set according to the package.

  Moreover, the buffer material 50 for apparatuses shown by the said embodiment is a preferable example, and the protrusion pieces 23-26, the flaps 27-30, the punch holes 31, 32, etc. are not essential structures. That is, the detailed configuration of the apparatus cushioning material 50 can be appropriately changed according to the shape of the image forming apparatus to be packed and the arrangement of the constituent members. The first and second buffer materials 51 and 53 of the present invention can be applied to precision equipment, electronic equipment, and the like other than the image forming apparatus, in addition to being used for packing the image forming apparatus.

  The present invention provides a cushioning material configured by adhering a buffer having a cushioning action to a fixed plate formed from a single plate, and can be bent into a substantially L shape at a predetermined position of the fixed plate. A cut-and-raised portion is formed, and the bottom surface, one side surface, and the upper surface of the buffer are bonded to the fixing plate and the inner surface of the cut-and-raised portion, respectively.

  As a result, the buffer can be positioned simply by matching with the cut and raised portion formed on the fixed plate, so that the positioning operation is facilitated and the bonding work efficiency can be improved. In addition, since the buffer can be bonded to the bottom, one side, and the top, the adhesive strength can be further strengthened, and the buffer can be prevented from peeling off during transportation. it can.

In addition, the buffer includes a first buffer portion formed at one end along the fixed plate, and a second buffer formed at the other end with a step so that the upper surface is higher than the first buffer portion. The cut-and-raised part is bent so that the tip part is directed from the first buffer part to the second buffer part, and a predetermined gap is formed between the cut-and-raised part and the upper surface of the first buffer part. By forming, the cut-and-raised portion can be bonded to the side surface of the cut-and-raised portion in the first buffer portion on the fixed end side and the upper surface of the second buffer portion. As a result, while the load on the upper surface of the second buffer portion can be made, the load on the upper surface of the first buffer portion can be avoided, so the load can be applied according to the size, shape, internal structure, etc. of the stored item. Can be distributed, and can exhibit a buffering effect more effectively.

  Further, by forming a waist foldable portion having a lower bending strength than other portions between the adhesive surfaces of the cut and raised portions with the first and second buffer portions, cushioning is imparted between the adhesive surfaces. Therefore, even when the positional relationship between the buffer and the stored item changes due to vibration during transportation or the like and the stored item unexpectedly rides between the bonding surfaces, a sufficient buffering effect can be exhibited. Further, by providing a restricting member for restricting the movement of the buffer on the side opposite to the cut and raised portion on the upper surface of the fixed plate, the buffer can be prevented from moving in the horizontal direction, Since tilting can be prevented, the buffer can be further prevented from peeling off.

  By bending the cut-and-raised portion so that the tip thereof is directed toward the outer periphery of the stored item, for example, even when the center of gravity of the stored item is unevenly distributed near the outer periphery, Tilt can be further prevented, and the buffer can be further prevented from falling off. In addition, by using a single plate formed of a corrugated cardboard sheet having a longitudinal direction and a lateral direction on the fixed plate, the side end in the bending direction of the cut and raised portion is formed along the longitudinal direction of the thin tube of the fixed plate. The pressure reduction strength of the cut-and-raised part can be increased while the cost is reduced, and when the cut-and-raised part has a space between the adhesive surfaces, the cushioning property and durability between the adhesive surfaces can be improved.

In addition, the buffer is a laminated body formed by laminating a plurality of corrugated cardboard sheets having a longitudinal direction and a lateral direction, and the thin tubes of the laminated body are arranged so as to be perpendicular to the upper surface of the fixed plate. The pressure strength of the object can be increased. In addition, by arranging the thin tube of the first buffer portion so as to be parallel to the upper surface of the fixing plate, and arranging the thin tube of the second buffer portion so as to be perpendicular to the upper surface of the fixing plate, While the pressure resistance strength is increased on the upper surface of the buffer portion 2 and the cushioning property can be exhibited on the upper surface of the first buffer portion , the positional relationship between the stored item and the buffered item changes, and the stored item becomes the first item. Even if it unexpectedly rides on the upper surface of the buffer portion , problems such as deformation of the buffer can be prevented.

These are the expanded views of the fixing board of the buffer material for image forming apparatuses in which the 1st and 2nd buffer material of this invention is provided. These are the fragmentary sectional views which looked at the A field of Drawing 1 from the lower side of the figure. These are the partial expanded views which show the 1st cut raising part periphery in a fixed plate. These are figures which show the 1st buffer used for the 1st shock absorbing material, Comprising: Fig.4 (a) is a top view, FIG.4 (b) is the side view seen from the left side of Fig.4 (a). is there. These are figures which show the 2nd buffer used for the 2nd shock absorbing material, Comprising: Fig.5 (a) is a top view, FIG.5 (b) is the side view seen from the left side of Fig.5 (a). is there. These are top views which show the state which assembled the buffer material for apparatuses. These are figures which show the state which assembled the 1st shock absorbing material, Comprising: It is the partial side view seen from the right side of FIG. These are figures which show the state which assembled the 2nd shock absorbing material, Comprising: It is the partial side view seen from the left side of FIG. These are top views which show the state by which the bottom part of the image forming apparatus was mounted in the buffer material for apparatuses. FIG. 10 is a partial side view seen from the right side of FIG. 9 showing a state where the bottom of the image forming apparatus is placed on the first buffer material. These are figures which show another example of a 1st buffer, Comprising: Fig.11 (a) is a top view, FIG.11 (b) is the side view seen from the left side of Fig.11 (a).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fixed plate 1a-1d End part 2 Corrugated cardboard sheet 3 Flat plate 4 Corrugated board 5 Narrow tube 11 1st raising part 11a Tip part 11b Fixed end part 11c Space formation part 12 Hole for waist folding (waist folding part)
13 Punching hole 14 Second cut and raised portion 15 Punched hole 21 Cut and raised piece 22 Punched hole 23 to 26 Projecting piece 27 to 30 Flap 31, 32 Punched hole 41 First buffer (buffer)
41a Bottom surface part 41b Fixed surface side part (1st buffer part)
41c Tip side (second buffer)
42 1st laminated body (1st buffer part)
42a bottom part 42b side part 43 2nd laminated body (2nd buffer part)
43a upper surface portion 43b side surface portion 44 second buffer (buffer)
44a Bottom surface portion 44b Side surface portion 44c Top surface portion 50 Buffer material for device 51 First buffer material (buffer material)
52 Regulatory laminate (regulatory member)
53 Second cushioning material (buffer material)
54 Other cushioning materials 60 Apparatus bottom part 60a-60d End part 63 Base 63a Rib 64 Opening part 64a Rib 66 Conveyance unit 67 Side cover 68 Opening / closing cover D Pasting area (adhesion surface)
E Pasting area (adhesive surface)
S space (gap)

Claims (7)

In a cushioning material configured by adhering a buffer having a buffering action to a fixed plate formed from a single plate,
A cut-and-raised portion that can be bent in a substantially L-shape is formed at a predetermined position of the fixing plate, and the bottom surface, one side surface, and the upper surface of the buffer are respectively connected to the inner surface of the fixing plate and the cutting and raising portion Glue ,
The buffer is formed with a first buffer portion formed at one end along the fixed plate and a step at the other end so that the upper surface of the fixed plate is higher than the first buffer portion with respect to the fixed plate. A second buffer part,
The cut-and-raised portion is bent such that a tip portion is directed from the first buffer portion to the second buffer portion, and a predetermined gap is provided between the cut-and-raised portion and the upper surface of the first buffer portion. A cushioning material characterized in that is formed. The cushioning material according to claim 1, wherein a waist fold portion having a lower bending strength than other portions is formed between the adhesive surfaces of the cut and raised portion with the first and second cushioning portions . On the opposite side of the cut-and-raised portion across the buffer material in the upper surface of the fixed plate, according to claim 1 or claim 2, characterized in that the regulating member for regulating movement of the buffer material is provided Cushioning material. The cushioning material according to any one of claims 1 to 3, wherein the cut-and-raised portion is bent so that the tip end portion is directed toward the outer periphery of the stored article . The fixed plate is composed of a flat plate and a corrugated plate, and a load is applied perpendicular to the longitudinal direction of the narrow tube and the longitudinal direction receiving the load parallel to the longitudinal direction of the thin tube formed by the flat plate and the corrugated plate. A side end portion formed from a corrugated cardboard sheet having a transverse direction to be received and substantially parallel to a bending direction of the cut and raised portion is formed along a longitudinal direction of the thin tube of the fixing plate. The buffer material in any one of 1-4. The buffer is composed of a flat plate and a corrugated plate, and a load is applied perpendicularly to the longitudinal direction of the thin tube and the longitudinal direction of the thin tube formed by the flat plate and the corrugated plate. A laminated body formed by laminating a plurality of corrugated cardboard sheets having a transverse direction, and at least a part of the laminated body is disposed so that the thin tubes are perpendicular to the upper surface of the fixed plate. The cushioning material according to any one of claims 1 to 4 . The thin tube of the first buffer portion is disposed so as to be parallel to the upper surface of the fixed plate, and the thin tube of the second buffer portion is disposed so as to be perpendicular to the upper surface of the fixed plate. The cushioning material according to claim 6 .

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