JP3820060B2 - Disposable outerwear and manufacturing method thereof - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a disposable outerwear and a method for manufacturing the same.
[0002]
[Prior art]
The ready-made outerwear is manufactured by cutting the fabric into parts such as the front, back, body and sleeves, and sewing these fabrics together. The fabric is cut by the pattern grating, marking, and cutting processes, and each piece of fabric cut according to the shape is sewn by a sewing machine with a built-in computer with a shape input in advance in a relay-type sewing line. .
[0003]
[Problems to be solved by the invention]
The cutting process and the sewing process are independent processes, and the sewing process is also divided into a plurality of independent processes. Therefore, it is not possible to produce in a series of lines because it is necessary to transport the fabric that has passed through the cutting process to the sewing process and to transport the intermediate product between each sewing process to the next sewing process. There are limits to improvement.
[0004]
An object of the present invention is to provide a jacket that can be discarded as it is after use and a manufacturing method that can mass-produce the jacket within a unit time.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention presupposes that the collar has a collar at the center of the upper end and a hem at the periphery of the lower end, and extends between the upper and lower ends on both sides of the collar. A disposable jacket with a pair of sleeves attached.
[0006]
Under such a premise, the present invention is characterized in that the outerwear comprises a front body sheet located on the wearer's abdomen side and a body part comprising a back body sheet located on the wearer's back side; A sleeve member having a cylindrical shape of the same shape and the same size fixed to the sleeves on both sides of the upper end portion of the trunk portion, and at least one of the front and back body sheets has a dimension between both side portions of the sheets. A detachable guide line extending in half between the upper and lower end portions is formed, and the front and back body sheets are made of a nonwoven fabric formed of thermoplastic fibers, and the guide wire heat-treats the nonwoven fabric to melt and cure it. It is to be made into a film .
[0007]
[0008]
As another example of the embodiment of the present invention, perforations are formed in the filmed portion.
[0009]
As a method of manufacturing a disposable outer garment for achieving the above object, a plurality of cylindrical sleeve members having continuous front and back body sheets having opposing surfaces facing each other and both sides extending in the longitudinal direction, and sleeves and cuffs are provided. The front and back body sheets are divided into a plurality of dividing lines extending in the width direction by dividing the longitudinal dimension into a predetermined interval, and either one of the both side portions on the opposing surfaces of the front and back body sheets, respectively. In the longitudinal center between the dividing lines becomes the top, and the first fixing area that protrudes outward in the width direction of the sheets and extends in the longitudinal direction, and the opposing surfaces of the front and back body sheets, respectively. At least one of the first and second fixing regions positioned in the vicinity of both sides of the dividing line and extending in the width direction; (a) a front and rear body sheet having the same interval between the dividing lines; Feeding continuously into, (b) SL in at least one of the front and rear body sheets, disconnecting said bisecting the dimension between the dividing line extends to the width direction, and a film is melted hardened by heat-treating the nonwoven fabric A step of forming a possible guide line (c) at the central portion in the longitudinal direction of the first fixing area, with a neckline cutting line that protrudes inward in the width direction of the front and back body sheets and extends in the longitudinal direction; A step of cutting each of the front and rear body sheets, (d) continuously supplying the sleeve member forward in the longitudinal direction, and the sleeve members near the both sides of the dividing line of the front body sheet, A side edge of the sleeve member extending between the cuff and the cuff is disposed so as to be parallel to the dividing line, and the cuff is on the side of the first fixing area, and the cuff is opposite to the first fixing area. Place the sleeve member around the sleeve A step of fixing an edge to the first fixing area extending between a neckline cutting line and a dividing line of the front body sheet; and (e) the dividing line of each of the front and back body sheets is aligned with each other. The opposing surfaces of the front and back body sheets are overlapped with each other, the front and back body sheets are fastened to each other at least in the second fixing area, and the peripheral edge of the sleeve member is divided from the cutting line around the collar of the back body sheet Fixing to the first fixing area extending between the first fixing area and (f) cutting off a shoulder portion at a shoulder cutting line extending along the first fixing area in the vicinity of the outside of the first fixing area; in a step, cutting the respective said front rear body sheet.
[0010]
[0011]
As another example of the embodiment of the method, there is a step of forming a perforation on the guide line.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
The details of the disposable outerwear and the manufacturing method thereof according to the present invention will be described with reference to the accompanying drawings.
[0013]
FIG. 1 is a perspective view of the disposable outerwear 1 shown from the back side, and shows a state where a part of the guide wire 7 is cut off. The outer garment 1 includes a body 10 having a front body 2 and a back body 3 and a pair of sleeves 4 attached thereto. A collar 5 and a peripheral edge of the lower ends 2d and 3d at the center of the upper ends 2c and 3c. Has a skirt 6. The sleeve member 4 is attached to both sides of the collar 5, and a detachable guide line 7 extends between the upper and lower ends 2 c, 2 d, 3 c, 3 d at the center in the width direction of the back body 3.
[0014]
2 and 3 are an exploded perspective view of the outerwear 1 of FIG. 1 and a cross-sectional view taken along line AA of FIG. 1. In FIG. 2, the sleeve members 4 are located on both sides of the front and rear body sheets 2 and 3. Yes. The outer garment 1 includes a front body sheet 2 positioned on the wearer's abdomen side, a back body sheet 3 positioned on the wearer's back side, and a pair of sleeve members 4 having the same shape and size as each other. It consists of and. The front and rear body sheets 2 and 3 are made of a nonwoven fabric made of thermoplastic fibers and form a body part 10 (see FIG. 1) of the outer garment, and both side parts 2a, 2b and 3a extending in the longitudinal direction in parallel with each other. , 3b and upper and lower ends 2c, 2d, 3c, 3d extending in the width direction intersecting the longitudinal direction. The front and rear body sheets 2 and 3 are formed with a collar 5 that protrudes from the upper end 2c, 3c toward the lower end 2d, 3d at the center of the upper end 2c, 3c. On both sides of the neckline 5 of the front and rear body sheets 2, 3, there are armholes 2e, 3e that incline in the direction of the lower end portions 2d, 3d of the 2, 3 seats toward the side portions 2a, 2b, 3a, 3b. Is formed.
[0015]
The rear body sheet 3 is formed with a detachable guide line 7 that bisects the dimension between the side portions 3a and 3b and extends between the upper and lower end portions 3c and 3d. The guide wire 7 is a non-woven fabric that is heat-treated and melt-cured to form a film, and a perforation 9 is provided in the film-formed portion 8. In the filmed portion 8, since the entangled fibers are melted and then cured, it is easy to tear along the perforation 9.
[0016]
The sleeve member 4 is made of a non-woven fabric, and is positioned on the upper end portions 2c and 3c of the front and rear body sheets 2 and 3 so that the wearer's arm can be inserted and removed, and the front and rear body sheets 2 and 3. It has cuffs 4b which are located on the lower end portions 2d and 3d and can be inserted and removed by the wearer's hand.
[0017]
The sleeve member 4 bisects a substantially rectangular nonwoven fabric having both sides extending in the longitudinal direction in parallel with each other and upper and lower ends extending in the width direction intersecting the longitudinal direction, and the dimensions between the both sides of the nonwoven fabric are bisected. In this way, the two sides of the nonwoven fabric are fixed to each other.
[0018]
The sleeve member 4 has a peripheral portion of the sleeve 4 a of the sleeve member 4 fixed to the peripheral portions of the armholes 2 e and 3 e of the front and rear body sheets 2 and 3. The front body sheet 2 and the back body sheet 3 are overlapped by aligning both side portions 2a, 2b, 3a, 3b of the sheets 2, 3 with the upper and lower end portions 2c, 2d, 3c, 3d, Upper end portions 2c and 3c extending between the armholes 2e and 3e are fixed, and both side portions 2a, 2b, 3a and 3b of the front and rear body sheets 2 and 3 are fixed.
[0019]
The outer garment 1 can separate the back body sheet 3 into two by the guide line 7. When removing the used outer garment 1, it is only necessary to cut off the back body sheet 3 with the guide line 7 and pull out the arm passed through the sleeve member 4, so that the undressing operation is easy. The guide line 7 may be formed on the front body sheet 2 or on both the front and back body sheets 2 and 3. In the outer garment 1, the perforation 9 may not be provided in the filmed portion 8.
[0020]
Non-woven fabrics such as spunlace, needle punch, melt blown, thermal bond, spun pond, and chemical bond formed of thermoplastic fibers can be used for the front and rear body sheets 2 and 3 and the sleeve member 4. As constituent fibers of the nonwoven fabric, polyolefin fibers, polyester fibers, polyamide fibers, polyethylene / polypropylene or polyester composite fibers, and the like can be used. As the nonwoven fabric, those having an opening to improve moisture permeability, embossing the nonwoven fabric to form irregularities, and improving cushioning properties or those having stretchability can be used.
[0021]
FIG. 4 is a process diagram showing an example of a method for manufacturing the disposable outerwear 1. In FIG. 4, (1) is a side view of the process, and (2) is a plan view of the process. The outer garment 1 is manufactured using continuous front and rear body sheets 2 and 3 and a plurality of sleeve members 4 having a cylindrical shape in a line having the first step (a) to the fifth step (e). .
[0022]
The front and back body sheets 2 and 3 are made of a nonwoven fabric made of thermoplastic fibers, and have opposing surfaces 20a and 30a facing each other and both side portions 20b, 20c, 30b and 30c extending in the longitudinal direction. The front and rear body sheets 2 and 3 are divided into a plurality of dividing lines Y1 and Y2 extending in the width direction by dividing the longitudinal dimension at equal intervals, and either one of both sides of the opposing surfaces of the front and rear body sheets. A first fixing area extending in the longitudinal direction and projecting outward in the width direction of the sheet, and at least one of the opposing surfaces of the front and rear body sheets, on both sides of the dividing line And a second fixing region that is located in the vicinity and extends in the width direction. The front and rear body sheets 2 and 3 have the same width dimension between the side portions 20b, 20c, 30b and 30c and the interval between the dividing lines Y1 and Y2.
[0023]
The sleeve member 4 is formed by bending a non-woven fabric having a predetermined width so that the dimension in the width direction is divided into two equal parts, and fixing both sides of the non-woven fabric overlapping each other. And cuffs 4b.
[0024]
The supply and movement of the front and rear body sheets 2 and 3 to each process is performed by a nip roll 101 that is rotated by a driving device. The sleeve member is supplied and moved by a nip roll 101 rotated by a driving device, a suction drum and a transmission band (not shown) circulating by the driving device. The front and rear body sheets 2 and 3 and the sleeve member 4 are supplied at the same speed.
"First step"
The first step (a) is a step of supplying the front and rear body sheets 2 and 3 continuously. In the first step (a), the front body sheet 2 and the back body sheet 3 wound around the winding rolls 100a and 100b are continuously fed forward in the longitudinal direction by the nip rolls 101, respectively. Adhesive agent is applied to the first and second body areas 2 and 3 on the opposing surfaces 20a and 30a of the front and rear body sheets 2 and 3 by the adhesive application devices 102a and 102b arranged on the downstream side of the nip roll 101. Applied.
[0025]
After the adhesive is applied to the back body sheet 3, high-temperature heat is applied by the heat treatment device 103 disposed on the downstream side of the adhesive application device 102 b. The rear body sheet 3 is formed into a film by melting and curing the heat-treated portion 8. The filmed portion 8 extends in the width direction by dividing the dimension between the dividing lines Y2 of the back body sheet 3 into two.
[0026]
After the back body sheet 3 is formed into a film, a perforation 9 is put in the filmed portion 8 by the cutting device 104 disposed on the downstream side of the heat treatment device 103. The perforation 9 extends in the width direction substantially at the center of the portion 8. The filmed portion 8 of the back body sheet 3 forms a guide line 7 that can be separated.
"Second step"
The second step (b) is a step of cutting the portions 21 and 31 of the front and rear body sheets 2 and 3 by the cutting devices 105a and 105b. In the second step (b), the front and rear bodies of the first and second adhering regions 21 and 31 are cut at the center of the longitudinal direction by a collar cutting line K1 that protrudes inward in the width direction of the sheets 2 and 3 and extends in the longitudinal direction. The portions 21 and 31 of the sheets 2 and 3 are cut out.
"Third step"
The third step (c) is a step of fixing the peripheral edge of the sleeve 4 a of the sleeve member 4 to the front body sheet 2 by the transfer device 107. In a 3rd process (c), many sleeve members 4 currently wound by each winding roll 106 are supplied continuously. The front body sheet 2 and the sleeve member 4 enter the transfer device 107 so that the side edge extending between the sleeve 4 a and the cuff 4 b of the sleeve member 4 is parallel to the side portion 20 b of the front body sheet 2. In the transfer device 107, the sleeve member 4 is inverted by 90 °, and the sleeve member 4 is disposed in the vicinity of both sides of the dividing line Y <b> 1 so that the side edge of the sleeve member 4 is parallel to the dividing line Y <b> 1 of the front body sheet 2.
[0027]
The sleeve member 4 has a sleeve 4a positioned on the first fixing area B1 extending between the neckline cutting line K1 and the dividing line Y1 of the front body sheet 2, and a cuff 4b positioned on the opposite side of the first fixing area B1. The peripheral edge of the sleeve 4a is fixed to the first fixing region B1 of the front body sheet 2 via an adhesive. When the transmission band is used, the sleeve member 4 is separated from the transmission band by the transfer device 107 having a vacuum means and is placed on the upper surface of the front body sheet 2.
[0028]
The third step (c) includes a step of applying an adhesive to the second fixing area B2 of the front body sheet 2, and the adhesive is applied to the second fixing area B2 of the front body sheet 2 by the adhesive applicator 108. Applied. Although the adhesive is applied only to the front body sheet 2 and omits the step of applying the adhesive to the back body sheet 3, the adhesive may be applied to both the front and back body sheets 2 and 3.
"4th process"
The fourth step (d) is a step of fixing the front and rear body sheets 2 and 3 and fixing the sleeve member 4 to the rear body sheet 3. In the fourth step (d), the facing surfaces 20a and 30a of the sheets 2 and 3 are overlapped with each other so that the dividing lines Y1 and Y2 of the front and rear body sheets 2 and 3 coincide with each other, and from both sides of the sleeve member 4 The sheets 2 and 3 are fixed to each other via an adhesive in the first fixing area B1 and the second fixing area B2 that protrude slightly. In the back body sheet 3, the peripheral portion of the sleeve 4 a of the sleeve member 4 is fixed to the first fixing region 31 extending between the collar cutting line 32 and the dividing line Y <b> 2 via an adhesive.
"5th process"
The fifth step (e) is a step of cutting the front and rear body sheets 2 and 3 by the cutting device 109 and cutting the front and rear body sheets 2 and 3 respectively. In the sixth step (f), the portions 22 and 32 (shoulder portion) of the front and rear body sheets 2 and 3 are cut off at the shoulder cutting line K2 extending along the first fixing region B1 in the vicinity of the outside of the first fixing region B1, The front and rear body sheets 2 and 3 are cut along the dividing lines Y1 and Y2.
[0029]
The outerwear 1 immediately after manufacturing after these steps is formed in the outerwear 1 because the opposing surfaces 20a, 30a of the front and rear body sheets 2, 3 forming the outer surface of the outerwear 1 are located inside the outerwear 1. It is possible to prevent foreign matter from adhering to the outer surface of the outerwear 1 when stored in a package. When wearing the outerwear 1, the outerwear 1 is turned over so that the opposing surfaces 20a, 30a of the front and rear body sheets 2, 3 are on the front side.
[0030]
For joining the front and rear body sheets 2 and 3 and the sleeve member 4, an adhesive such as a hot melt adhesive or an adhesive can be used. Such joining may be performed continuously or intermittently. For cutting the front and rear body sheets 2 and 3, in addition to using a cutting die, a cutting technique using a laser beam or ultrasonic waves can be used.
[0031]
For the means for fixing the sleeve member to the front and back body sheets and the means for fixing the front and back body sheets to each other, a heat sealing technique such as sonic sealing or heat sealing can be used. In order to fix the sleeve member to the front and rear body sheets by the technique of thermal fusion, a protective sheet having a melting point higher than that of the front and rear body sheets and the sleeve member is interposed on the inner peripheral surface of the sleeve peripheral portion of the sleeve member. The sleeve member is fixed to the front and back body sheets at a temperature lower than the melting point and higher than the melting point of the front and back body sheets and the sleeve member. Since the inner peripheral surface of the sleeved peripheral portion does not directly overlap, the sleeved peripheral portion is not fixed on the inner peripheral surface, and the sleeved portion can be prevented from being blocked. In the case of using the technique of heat fusion, it is possible to omit the step of applying an adhesive to the first fixing region and the second fixing region in the first step and the third step.
[0032]
In this line, an optical sensor formed by a light projecting unit and a light receiving unit, a rotational speed sensor for measuring the rotational speed of the roll, a control device connected to these sensors, a movable device connected to the control device, and Positioning when the sheets 2 and 3 in the first step (a) to the fifth step (e) are overlapped with each other, and the sheet 2 and the sleeve member 4 are overlapped with each other. The supply speed is controlled. The memory of the control device stores a program that realizes the optimum operating environment of the line.
[0033]
【The invention's effect】
The disposable outer garment according to the present invention does not go through steps such as sewing, and the body sheet and the sleeve member are fixed using an adhesive, and therefore can be manufactured at low cost. In particular, a jacket made of a nonwoven fabric is suitable for disposable use that cannot be reused.
[0034]
According to the method for manufacturing an outerwear according to the present invention, the outerwear can be produced in an automated and continuous process, so that the productivity per unit time is improved.
[Brief description of the drawings]
FIG. 1 is a perspective view of a disposable outerwear.
FIG. 2 is an exploded perspective view of the jacket of FIG.
FIG. 3 is a cross-sectional view taken along line AA in FIG.
FIG. 4 is a manufacturing process diagram of a jacket.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Disposable outerwear 2 Front body sheet 2a, 2b Both sides 2c, 2d Upper and lower ends 2e Sleeves 3 Rear body sheet 3a, 3b Both sides 3c, 3d Upper and lower ends 3e Sleeves 4 Sleeve members 4a Sleeves 4b Cuffs 5 Collars Rift 6 Hem 7 Guide line 8 Site 9 Perforation 10 Body 20a, 20b Both sides 20c Opposing surface 21 Part 30a, 30b Both sides 30c Opposing surface 31 Part B1 First fixing area B2 Second fixing area K1 Collar cutting line K2 Shoulder cut line Y1, Y2 Dividing line

Claims (4)

In the disposable outerwear having a collar at the center of the upper end and a hem at the periphery of the lower end, and a pair of sleeves extending between the upper and lower ends on both sides of the collar,
The outer garment is fixed to a body part composed of a front body sheet positioned on the wearer's abdomen side and a back body sheet positioned on the back side of the wearer, and on the armholes on both sides of the upper end part of the body part. And at least one of the front and rear body sheets is detachable extending between the upper and lower ends by dividing the dimension between both sides of the sheet into two parts. The guide wire is formed, the front and back body sheets are made of a nonwoven fabric formed of thermoplastic fibers, and the guide wire is formed by heat-treating the nonwoven fabric into a melt-cured film. Outerwear. The outerwear of Claim 1 in which the perforation is formed in the site | part made into the said film. In the method of manufacturing a disposable outerwear using a continuous front and back body sheet having opposed surfaces facing each other and both sides extending in the longitudinal direction, and a plurality of cylindrical sleeve members having sleeves and cuffs, the front and back body The sheet is divided into a plurality of dividing lines extending in the width direction by dividing the dimension in the longitudinal direction into a predetermined interval, and the length between the dividing lines on either one of the both side portions on the opposing surfaces of the front and back body sheets. A central portion in the direction becomes a top portion, and the first fixing area that protrudes outward in the width direction of the sheets and extends in the longitudinal direction; and at least one of the opposing surfaces of the front and rear body sheets, (A) the front and rear body sheets having the same interval between the dividing lines are continuously supplied forward in the longitudinal direction. Extent, (b) at least one of the front and rear body sheets, forming the bisecting the dimension between the dividing line extends to the width direction, detachable guide line into a film by melt hardened by heat-treating the nonwoven fabric A step (c) of the front and rear body sheets at a center portion in the longitudinal direction of the first fixing area and a neckline cutting line that protrudes inward in the width direction of the front and rear body sheets and extends in the longitudinal direction. (D) continuously supplying the sleeve member forward in the longitudinal direction, and the sleeve member is near both sides of the dividing line of the front body sheet and between the cuff and the cuff. The side edge of the sleeve member extending is arranged so as to be parallel to the dividing line, and the cuffing is arranged on the first fixing area side, and the cuff is arranged on the opposite side of the first fixing area, The peripheral edge of the sleeve member is connected to the front body. A step of fixing to the first fixing area extending between the neckline cutting line and the dividing line of the sheet; and (e) the opposing surfaces of the front and back body sheets so that the dividing lines of the front and back body sheets respectively coincide with each other. Overlapping each other, the front and back body sheets are fixed to each other at least in the second fixing area, and the sleeve-attached peripheral edge of the sleeve member extends between the cut line and the dividing line around the collar of the rear body sheet. (F) a step of fixing to the first fixing area, and (f) cutting off a shoulder portion at a shoulder cutting line extending along the first fixing area in the vicinity of the outside of the first fixing area, and each of the front and rear body sheets at the dividing line. The method comprising the steps of cutting. The method according to claim 3, further comprising forming a perforation on the guide line.

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