WO2000042873A1

WO2000042873A1 - Method of producing disposable coat

Info

Publication number: WO2000042873A1
Application number: PCT/JP2000/000295
Authority: WO
Inventors: Takeo Kuwashiro; Tetsushi Shinohara; Michiyo Matsushita
Original assignee: Uni-Charm Co., Ltd.
Priority date: 1999-01-21
Filing date: 2000-01-21
Publication date: 2000-07-27
Also published as: TW446546B; AU3076000A; EP1120054A1; CN1293545A; JP2000212818A; KR20010092242A; BR0004372A; JP3576020B2; CA2323873A1; ID26097A

Abstract

A method of producing disposable coats comprising the steps of (a) forming a pair of left and right neck lines (6) in a front body sheet (2), (b) fixing a sleeve member (4) to the upper surface (A) of the front body sheet (2), (c) dividing the front body sheet (2) into a first front body sheet (2A) and a second front body sheet (2B), (d) changing the positions of the first and second front body sheets (2A, 2B) for reversing left to right, fixing the first and second front body sheets (2A, 2B) to a rear body sheet at a second fixing area, fixing the first and second front body sheets (2A, 2B), the sleeve member (4) and the rear body sheet together at a third fixing area, and cutting the first and second front sheets (1A, 2B) and the rear body sheet.

Description

Light

Manufacturing method of disposable jacket

The present invention relates to a method for producing disposable outerwear.

Thread

Rice field

Background art

The demand for disposable outerwear is increasing as simple clothing for hospitals, travel, etc., but the need for high-speed mass production and low-priced supply means that non-disposable outerwear is usually used. We cannot adopt the manufacturing technology and process of outerwear. Conventionally, as far as the present inventors know, a technology satisfying the above-mentioned requirements except for disposable diapers has not been disclosed in literatures. Diapers are worn as underwear with the sole purpose of absorbing and retaining bodily exudates, so they are primarily used for daily living, but also for travel and hospital use. There is no reference to the technology for manufacturing disposable outerwear.

Therefore, an object of the present invention is to provide a disposable outerwear which can be supplied at a low price and which can be worn as an ordinary outerwear, particularly as a simple outerwear for hospitals or travel. Another object of the present invention is to provide a manufacturing method capable of mass-producing the outerwear at a high speed. Disclosure of the invention

The method for producing a disposable jacket according to the present invention for solving the above-mentioned problems is as follows.

(a) upper and lower surfaces, a left-right edge extending in the longitudinal direction, and A front body sheet made of non-woven fabric having a centerline extending in the longitudinal direction by bisecting the width dimension between the left and right edges is continuously supplied in the long-forward direction. Cutting off a portion of the front body sheet so as to be convex from the left and right side edges toward the center line to form a symmetrical collar.

(b) sleeve members made of nonwoven fabric having a cuff on both sides and a centerline extending in the longitudinal direction by bisecting the width dimension between the both sides, and extending in the width direction. Are sequentially supplied one by one to the front in the longitudinal direction, and one sleeve member is connected to the front body so that the center line of the front body sheet and the center line of the sleeve member coincide with each other. Around the top of the sheet, and parallel to the center line near both sides of the center line at a position slightly deviated forward from the collar in the longitudinal direction. Fixing to the first fixing area extending

(c) The front body sheet and the sleeve member are cut at the center line, and the first front body sheet is located on the right side of the center line in a longitudinally forward direction with respect to the center line. And dividing into a second front body sheet located on the left side of the center line in a long-hand direction and forward,

(d) The first front body sheet is arranged such that the first front body sheet and the second front body sheet face each other and are plane-symmetric with each other. Converting the position of the seat to the left side and the position of the second front body sheet to the right side, (e) upper and lower surfaces, a left-right edge extending in the longitudinal direction, and the left-right A center line extending in the longitudinal direction by bisecting the width dimension between the edges, and having a width larger than the front body sheet and a non-woven back body sheet; Continue forward in the direction The first and second front body sheets are aligned with each other so that the opposing side edges extending in the longitudinal direction adjacent to each other of the first and second front body sheets coincide with the center line of the rear body sheet. The lower surface of the front body sheet and the upper surface of the rear body sheet are overlapped, and the first and second front body sheets and the rear body sheet are slightly moved rearward in the longitudinal direction from the sleeve member. Fixing to each other in the second fixing area extending in the width direction at the offset position;

(f) The left and right side edges of the rear body sheet are bent toward the upper surfaces of the first and second front body sheets, and the first and second front body sheets, the sleeve members, and the rear Fixing the body sheet to each other in a third fixing area extending in the longitudinal direction along left and right side edges of the front and rear body sheets,

(S) The first and second front body sheets and the rear body sheet are located at a position slightly deviated rearward in the longitudinal direction from the second fixing area. The sheet is cut so as to cross the width direction of the sheet, and the width of the sheet at a position separated from the sleeve member by the required length in the longitudinal direction forward. The process of cutting across the direction,

It is characterized by having.

As an example of an embodiment of the present invention, in the step (d) of converting the positions of the first and second front body sheets, a nonwoven fabric having front and rear edges and a left and right edge A pair of long and narrow band members are sequentially supplied to the front in the longitudinal direction, and the left and right side edges of the band member are the first and second front bodies at a position separated from the sleeve member by a required distance in the longitudinal direction to the front. A step of arranging the belt member so as to be parallel to the opposing side edge and fixing the rear end edges of the band member to the upper surfaces of the first and second front body sheets. BRIEF DESCRIPTION OF THE FIGURES

Fig. 1 shows the manufacturing process of outerwear.

Figure 2 is a diagram of the manufacturing process of the jacket, following Figure 1.

Figure 3 is a perspective view of the disposable jacket. BEST MODE FOR CARRYING OUT THE INVENTION

The details of the method for producing the disposable outer garment according to the present invention will be described below with reference to the accompanying drawings.

1 and 2 are process diagrams showing an example of a method for manufacturing a disposable outer garment 1. In FIGS. 1 and 2, (1) is a side view of the process, and (2) is a plan view of the process. . FIG. 1 shows the first step (a) to the fourth step (d), and FIG. 2 shows the fifth step (e) to the seventh step (g) following FIG. Is shown. The outerwear 1 has a tubular shape of a front body sheet 2, a rear body sheet 3 in a line having the first step (a) to the seventh step (g). It is manufactured using a sleeve member 4 and a pair of band members 5.

The front body sheet 2 is made of a non-woven fabric having a predetermined width, and includes upper and lower surfaces A and B, left and right edges 2a and 2b extending in the longitudinal direction, and left and right edges 2a and 2b. And a center line Y 1 extending in the longitudinal direction by bisecting the width dimension between them. The back body sheet 3 is made of a nonwoven fabric wider than the front body sheet 2, and has upper and lower surfaces A and B, left and right edges 3a and 3b extending in the longitudinal direction, and left and right sides. It has a center line Y3 that extends in the longitudinal direction by bisecting the width dimension between the edges 3a and 3b.

The sleeve member 4 is obtained by bending sheets of a nonwoven fabric having a predetermined width and overlapping them, and fixing the edges of the overlapping sheets. Each of the side portions 4a and 4b has a screw opening and a center line Y2 extending by bisecting a width dimension between the both side portions 4a and 4b.

The movement of the front and rear body sheets 2 and 3 to each process is performed by a nip roll which is rotated by a driving device. The movement between the sleeve member 4 and the band member 5 is performed by a nipple, a suction drum, or a transmission band that is circulated by the drive device. It is done by. The front and rear body sheets 2 and 3, the sleeve member 4 and the band member 5 are supplied at the same speed.

"Step 1"

The first step (a) is a step of forming a pair of left and right collars 6 on the front body sheet 2. In the first step (a), the front body sheet 2 wound on the winding roll 100 is moved in the longitudinal direction by the winding roll 101. It is supplied continuously to the front. The front body sheet 2 is moved from the left and right side edges 2a, 2b to the center line Y1 by the cutting device 102 arranged downstream of the nipple 101. It is cut out so as to be convex toward, forming a same-sized and same-sized neckline 6. The collar 6 is symmetric with respect to the center line Y1.

"Step 2"

The second step (b) is a step of fixing the sleeve member 4 to the upper surface A of the front body sheet 2. In the second step, a large number of sleeve members 4 held on a winding roll 103 having a suction means are placed between both side portions 4a and 4b of the sleeve member 4. The extending edges 4 c, 4 d and the front body are sequentially supplied one by one at a predetermined interval forward in the longitudinal direction such that the side edges 2 a, 2 b of the sheet 2 are parallel to each other. By the reversing device 104 arranged on the downstream side of the winding roll 103, the sleeve member 4 has the edges 4 c and 4 d of the sleeve member 4 so that the side edges of the front body sheet 2 are formed. 2a and 2b are turned 90 ° so as to be orthogonal to each other, and then the suction drum 106 arranged downstream of the reversing device 104 is turned on. It is held on the peripheral surface.

The front body sheet 2 has a first fixing area S 1 on the upper surface A of the front body sheet 2 by an adhesive application device 105 arranged on the upstream side of the drum 106. Adhesive is applied to the. The fixation zone S1 extends parallel to the centerline Y1 on both sides of the centerline Y1 at a position slightly offset longitudinally forward from the neckline 6. The dimension of the fixing region S 1 is almost half of the dimension of the sleeve member 4 in the circumferential direction. The front body sheet 2 to which the adhesive has been applied enters between the drum 106 and the roll 107 that are arranged opposite to each other.

The one sleeve member 4 moving on the circumferential surface of the drum 106 has the center line Y2 of the sleeve member 4 and the center line Y1 of the front body sheet 2 coincide with each other. Is controlled so as to be positioned above the fixing area S 1, and the adhesive is applied to the front body sheet 2 at the contact surface between the drum 106 and the roll 107. It is fixed via the The width dimension of the sleeve member 4 is longer than that of the front body sheet 2, and both side portions 4 a, 4 b of the sleeve member 4 are on the left and right side edges 2 a, 2 b of the front body sheet 2. It extends outward in the width direction. "Step 3"

The third step (c) is a step of dividing the front body sheet 2 into the first front body sheet 2A and the second front body sheet 2B. The front body sheet 2 and the sleeve member 4 are cut at their center lines Yl and Y2 by the cutting device 108. Refuse. The front body sheet 2 includes a first front body sheet 2A located on the right side of the center lines Y1 and Y2 toward the front in the longitudinal direction, and a center line Yl and Υ2. On the other hand, it is divided into a second front body sheet 2 位置 located on the left side in the front in the longitudinal direction.

"Step 4"

The fourth step (d) is a step of converting the positions of the first front body sheet 2A and the second front body sheet 2B so that the left and right sides are reversed. In the fourth step (d), the first front body sheet 2A is moved to the left in the longitudinal direction by the conversion device 109, and the second front body sheet 2B is moved forward. To the right in the longitudinal direction. To convert the positions of the first and second front sheets 2A and 2B, either of the sheets 2A and 2B may be moved at the same time, or either of them may be moved. You may move one sheet to the other side of the other sheet.

The first and second front seats 2A and 2B whose positions have been converted have the collars 6 of the sheets 2A and 2B facing each other and are plane-symmetric. They are arranged in parallel as shown. The left and right side edges 2a, 2b of the front body sheet 2 before division become the opposite side edges 2a, 2b of the first and second front body sheets 2A, 2B, and both sides of the sleeve member 4. Parts 4a and 4b overlap each other. By moving the first front body sheet 2A and the second front body sheet 2B so that the left and right sides are reversed, the width of the front body sheet 2 in the width direction is changed. The sleeve member 4, which is longer than the width dimension of the front body sheet 2, can be attached to the jacket 1 without being restricted by the upper body 1.

In the fourth step (d), the pair of band members 5 are connected to the first and second predecessors. Around this time, a process of fixing to the upper surface A of the sheets 2A and 2B is included. In the figure, the band member 5 is fixed after the positions of the first and second front body sheets 2A, 2B are moved, but the band member 5 is fixed before the position is moved. It may be fixed.

The band member 5 is a non-woven, elongated material having left and right edges 5a, 5b and front and rear edges 5c, 5d, so that the winding roller has a suction means. A large number of band members 5 held by the channels 110 are sequentially supplied one by one at predetermined intervals to the front in the longitudinal direction. The band member 5 is bonded to the rear end by an adhesive applying device 111 arranged between the winding roll 110 and the suction drum 111. The agent is applied and then retained on the periphery of drum 1 12.

The band member 5 moving on the peripheral surface of the drum 1 1 2 is formed by the left and right side edges 5a and 5b of the band member 5 being opposed to the first and second front body sheets 2A and 2B. It is located at the center of the first and second front seats 2A and 2B, separated from the sleeve member 4 by the required length in the longitudinal direction, and in parallel with 2c and 2d. Is controlled in such a manner that the first surface which enters between the drum 11 and the roll 11 at the contact surface between the drum 11 and the roll 11 is controlled. , 2 The front body is fixed to the sheets 2A, 2B via an adhesive. "Step 5"

The fifth step (e) is a step of fixing the first and second front body sheets 2A and 2B and the rear body sheet 3 to each other in the second fixing area S2. In the fifth step (e), the back body sheet 3 wound around the winding roll 114 is moved in the longitudinal direction by the nip roll 116. It is continuously supplied to the front. On the upper surface A of the back sheet 3, there are rolled rolls 114 and nipples. The left and right side edges 3a and 3b of the back body sheet 3 and the right and left side edges 3 of the back body sheet 3 are provided by the adhesive application device 115 disposed between the left and right sides. The adhesive is applied in the longitudinal direction along a and 3b.

The first and second front seats 2A and 2B, which entered between a pair of opposed nipples 117, and the rear seat 3 are the first and second front bodies. Of the nip rolls 11 17 so that the opposing side edges 2 c and 2 d of the seats 2 A and 2 B coincide with the center line Y 3 of the back seat 3. The contact surfaces overlap, and the lower surface B of the first and second front body sheets 2A and 2B and the upper surface A of the rear body sheet 3 intervene in the second fixing area S2 with an adhesive. Are fixed to each other. The second fixing area S 2 is located at a position slightly deviated rearward in the longitudinal direction from the sleeve member 4, and extends in the width direction excluding the collar 6 of the first and second front body sheets 2 A and 2 B. It is extending. "Step 6"

The sixth step (f) is a step of fixing the first and second front body sheets 2A and 2B, the sleeve member 4 and the rear body sheet 3 to each other in the third fixing area S3. . In the sixth step (f), the left and right side edges of the back body sheet 3 are folded by the folding device 118 to the upper surface A of the first and second front body sheets 2A and 2B. It is bent to. The first and second front body sheets 2A and 2B, the sleeve member 4 and the rear body sheet 3 are fixed to each other via an adhesive in a third fixing area S3. . The third fixing area S 3 extends in the longitudinal direction along the right and left edges 3 a and 3 b of the back body sheet 3.

"Step 7"

The seventh step (g) is a step of cutting the first and second front body sheets 2A and 2B and the back body sheet 3. Step 7 In (g), the first and second front body sheets 2A, 2B and the rear body sheet 3 are separated by the cutting device 1 19 from the second fixing area S2 in the longitudinal direction. At a position slightly deviated rearward, the sheets 2A, 2B, 3 are cut so as to cross the width direction of the sheets, and from the band member 5 forward in the longitudinal direction. Cut the sheets 2A, 2B, 3 across the width direction of the sheets 2A, 2B, 3 at a position separated by the required dimension.

FIG. 3 is a perspective view of the disposable outer garment 1 manufactured by the above method, and shows a state in which the pair of sleeve members 4 is expanded in the width direction. The outer garment 1 is composed of the first and second front body sheets 2A, 2B and the back body sheet 3 fixed to each other, and the upper ends of these sheets 2A, 2B, 3 And a pair of sleeve members 4 extending outward in the width direction of the sheets 2A, 2B, 3 attached to the first and second front body sheets 2A, 2B, and a band member 5 fixed to the center of the band 2B. The outer garment 1 is provided with an opening 6 around the neck at the center of the upper end, an opening 7 around the hem at the lower end, and a forehead 8 extending between the upper and lower ends. ing . The upper ends of the front and rear body sheets 2 and 3 except for the opening of the neckline 6 form a pair of shoulders 9.

For joining the front and rear body sheets 2, 3 and the sleeve member 4, an adhesive such as a hot-melt adhesive or an adhesive, or a technique of heat fusion can be used. These joinings may be performed continuously or intermittently. Sheets 2 and 3 can be cut not only using a cutting die but also using laser beam or ultrasonic wave.

The front and rear body sheets 2 and 3, the sleeve member 4 and the band member 5 are made of a spunbonded nonwoven fabric or a thermoplastic resin made of thermoplastic fiber. It is preferable to use a non-woven cloth. In particular, in order to enhance the water retention and rigidity, the basis weight using rayon, nylon, pulp, etc. alone or a mixture thereof 50-

It is preferable to use a 100 g / m ² snow bond, point bond, melt blown nonwoven fabric, or the like. The non-woven fabric has an opening to improve moisture permeability, and the non-woven fabric is embossed to form irregularities, thereby improving cushioning and giving it elasticity. You can also use what you have.

In this line, an optical sensor formed by a light emitting part and a light receiving part, a rotation speed sensor for measuring the rotation speed of the roll, and a sensor connected to these sensors. Sheet 2A in the first step (a) to the seventh step (g) using the control device and the movable device and the drive device connected to the control device. 2B, 3 The positioning of the sheets and the sleeve member 4 when they are overlapped with each other and the feeding speed of the sheets 2, 3 and the sleeve member 4 are controlled. The memory of the control device stores programs that realize the optimal operating environment of the line. According to the method for manufacturing a disposable outer garment according to the present invention, the body sheet made of non-woven fabric, the sleeve member, and the band member are only fixed using an adhesive or the like. It can be manufactured at low cost. Also, since the relay-type sewing process does not go through, the outerwear can be produced in an automated and continuous process, so it takes a unit of time. Productivity is improved.

Claims

Contract

1. The method of manufacturing disposable outerwear,

(a) an upper and lower surface, a left-right edge extending in the longitudinal direction, and a center line extending in the longitudinal direction by bisecting the width dimension between the left-right edges. The front body sheet made of woven fabric is continuously supplied to the front in the long direction, and the front body sheet is formed so as to project from the left and right side edges toward the center line. Around this time, the sheet is cut off to form a symmetrical collar

(b) sleeve members made of a nonwoven fabric having a cuff on both sides and a center line extending in the longitudinal direction by bisecting the width dimension between the both sides and extending in the width direction. Are sequentially supplied one by one to the front in the longitudinal direction, and the one sleeve member is so arranged that the center line of the front body sheet and the center line of the sleeve member coincide with each other. It is arranged on the upper surface of the front body sheet and is slightly offset from the neckline to the front in the longitudinal direction, near both sides of the centerline and parallel to the centerline. Fixing to the first fixing area extending by

(c) The front body sheet and the sleeve member are cut along the center line, and the first front body sheet is located on the right side of the center line in a longitudinally forward direction. And a second front body sheet located on the left side of the center line toward the front in the long direction,

(d) The first front body sheet is arranged so that the first front body sheet and the second front body sheet are opposed to each other and are plane-symmetric. The position of the box on the left side The step of converting the position of the second front body sheet to the right side; (e) measuring the upper and lower surfaces, the left and right edges extending in the longitudinal direction, and the width between the left and right edges. And a center line extending equally in the longitudinal direction, and a rear body sheet made of a nonwoven fabric wider than the front body sheet is supplied continuously in the longitudinal front direction. 2 By aligning the opposing side edges of the front body sheet that are adjacent to each other and extending in the longitudinal direction with the center line of the rear body sheet, the lower surfaces of the first and second front body sheets are aligned. And the upper surface of the rear body sheet are overlapped with each other, and the first and second front body sheets and the rear body sheet are positioned at a position slightly deviated rearward in the longitudinal direction from the sleeve member. Fixing to each other in a second fixing region extending in the width direction.

(f) The left and right side edges of the back body sheet are bent toward the upper surfaces of the first and second front body sheets, and the first and second front body sheets, the sleeve members, and the rear Fixing the body sheet and the body sheet to each other in a third fixing area extending in the longitudinal direction along left and right side edges of the front and rear body sheets;

(1) The first and second front body sheets and the rear body sheet are positioned at a position slightly deviated rearward in the longitudinal direction from the second fixing area, and their seats are separated from each other. The sheet is cut so as to cross the width direction, and the width direction of the sheet is set at a position which is separated from the sleeve member by a required distance in the longitudinal direction and forward. The process of cutting to cut,

The above method, characterized by having the following.

2. In the step (d) of converting the positions of the first and second front body sheets, a non-woven fabric having front and rear edges and a left and right edge is used. A pair of elongated band members are sequentially supplied to the front in the longitudinal direction, and the left and right side edges of the band member are the first and second front bodies at a position separated by a required distance from the sleeve member to the front in the longitudinal direction. 2. The step of arranging the belt member so as to be parallel to the opposite side edge of the member and fixing a rear end edge of the band member to the upper surface of each of the first and second front body sheets. 3. Manufacturing method.