KR20010040812A - Disposable jacket and production method thereof - Google Patents

Abstract

The top 1 includes a pair of left and right sleeve sheets 4 and 5 having inner and outer edges 4c, 4d, 5c and 5d and vibrations 4e and 5e at the upper end; Consists of a pair of left and right body seats 2, 3 with inner and outer edges 2c, 2d, 3c, 3d and vibrations 2e, 3e at the top, the left sleeve sheet 5 and the right sleeve sheet (4) is folded at the centerline (Y2) extending between the upper and lower ends and joined along the respective inner and outer edges (4c, 4d, 5c, 5d) of these sheets, the left body sheet (3) and the right body sheet (2) is joined along the inner edges 2d and 3d of these sheets 2 and 3, and the circumferential edge of the upper vibration 5e of the left sleeve sheet 5 and the vibration of the left torso sheet 3 ( The peripheral edges of 3e) are joined to each other, the peripheral edges of the upper vibrations 4e of the right sleeve sheet 4 and the peripheral edges of the vibrations 2e of the right body sheet 2 are bonded to each other, and the left and right sleeve sheets ( The upper edges of 4 and 5 are joined to each other.

Description

Disposable top and manufacturing method thereof {DISPOSABLE JACKET AND PRODUCTION METHOD THEREOF}

In recent years, disposable tops have been increasing in demand as a disposable garment suitable for medical teams including doctors and nurses as well as patients and travelers during surgery. It is not possible to adopt the manufacturing techniques and processes of clothing. Conventionally, as far as the inventors know, there is no disclosure in the literature of any technique that satisfies the aforementioned needs except in the case of disposable pants-type diapers. Incidentally, the disposable pants-type diaper is not only used for daily life but also for the manufacturing technology of disposable tops provided for travel and hospital use because it is worn only as underwear for the purpose of absorbing and maintaining excretion.

Accordingly, an object of the present invention is to provide a disposable top coat which can be cheaply supplied and which can be worn as a normal top coat, particularly as a simple top coat for hospital or travel, and a manufacturing method capable of mass-producing the top coat.

The present invention relates to a disposable top and a method of manufacturing the same.

1 is a perspective view of a disposable top.

2 is an exploded plan view of the top of FIG. 1;

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a perspective view of a top of an embodiment different from FIG.

5 is a manufacturing process diagram of the phase.

In order to solve the above-mentioned problems, the present invention presupposes that the neckline and a pair of shoulders of the upper end, the hem of the lower end, and the pair of shoulders connected to the shoulder and extending between the upper and lower ends It is a disposable top that includes a sleeve.

In this premise, the present invention is characterized in that the top is provided with vibrations on the upper end side (parts where the sleeve sheets are attached to the left and right body sheets) and inner and outer edges extending between the upper and lower ends, respectively, and presymmetrically. A left and right sleeve sheet disposed in an inner side, and a left and right body sheet having vibrations of the inner and outer edges and the upper end portion extending between the upper end and the lower end, respectively and arranged in line symmetry with each other inside the left and right sleeve sheet; The left and right sleeve sheets are folded along a centerline extending between the upper and lower ends to bisect the dimensions between the inner and outer edges of these sheets and then joined together leaving only a small area along the inner and outer edges, the left and right body sheets being Joined together, leaving only a small area along the inner edge of the sheet; The left and right sleeve sheets and the left and right body sheets are respectively joined together along the circumferential edges of vibrations associated with these sleeve sheets and the body sheets.

According to a preferred embodiment of the present invention, the upper end of the left and right body sheet and the upper end of the left and right sleeve sheet overlap each other and then bonded together in the region except the neckline region.

According to another preferred embodiment of the present invention, the left and right body sheets and / or the left and right sleeve sheets are made of a nonwoven fabric.

Method for producing a disposable top for achieving the above object,

(a) The left and right body sheet sheets each having a top and bottom, inner and outer edges extending in the longitudinal direction, and a center line extending in the longitudinal direction so as to bisect the widthwise dimension between these inner and outer edges, forward of the longitudinal direction. Feeding continuously and cutting a portion of each sheet along a circumferentially curved neckline from the outer edge of the sheet toward the centerline;

(b) each having a top and bottom, inner and outer edges extending in the longitudinal direction, and a centerline extending in the longitudinal direction to bisect the widthwise dimension between these inner and outer edges, each narrower than the respective left and right body sheets; The left and right sleeve sheets are continuously fed forward in the longitudinal direction, and the upper surface of the left body sheet and the lower surface of the left sleeve sheet are overlapped so that the center line of the left and right body sheets coincides with the center line of the left and right sleeve sheets, and the top surface of the right body sheet is Superimposing a lower surface of the right sleeve sheet with the right sleeve;

(c) each of the left and right body seats and the left and right sleeve sheets superimposed on one another is placed between the inner and outer edges of the left and right sleeve sheets slightly forward of the perforation line and viewed from the feeding direction of these sheets and from the center line towards the inner and outer edges; Joining each other along a vibration drawing a convex trajectory;

(d) cutting each of the left and right body sheets and the left and right sleeve sheets superimposed on each other in a vibration cut line extending inwardly along the vibration bond line;

(e) folding the right body sheet and the right sleeve sheet together along the centerline and folding the left body sheet and the left sleeve sheet together along the centerline, overlapping the upper surfaces of the left body sheet and the left sleeve sheet and right Overlapping the upper surface of the body sheet and the right sleeve sheet with each other,

(f) feeding the left body sheet and the left sleeve sheet and the right body sheet and the right sleeve sheet in parallel in the longitudinal direction such that the center lines of these sheets coincide with each other, and between the center line of the left and right body sheets and the inner edge thereof. Spreading the rear portions of the left and right body sheets extending along the vibration joint line, and then joining the unfolded rear portions along the rear junction lines extending in the longitudinal direction along the inner edge of the left and right body sheets;

(g) spreading each of the front portions extending between the centerline and the outer edges of the left and right body sheets along the vibrating bond line and then extending each of the folded left and right sleeve sheets along the inner and outer edges of these sleeve sheets in the longitudinal direction; Joining along the sleeve seam;

(h) Shoulder seam or left and right body parts extending the left and right body seat and the left and right sleeve seats between the neck circumference line formed around the center line of the left and right body seat sheets and the sleeve joint line behind the vibration joint line in the sheet feeding direction. Bonding along a shoulder seam that extends between a circumference of tear formed around the centerline of the sheet and a sleeve seam across the vibrating seam; And

(i) traversing both ends of the circumference of the neck perforation along the shoulder perforation that extends behind and along one of the shoulder seams and behind one of the other shoulder seams Cutting along the line and along the hem line extending transversely at a predetermined distance forward from the vibrating seam in the sheet feeding direction

It includes.

With reference to the accompanying drawings, a disposable top according to the present invention and a method of manufacturing the same will be described in detail below.

1 is a perspective view of a disposable top 1 made in accordance with the principles of the present invention. As shown, the top 1 has left and right body sheets 2, 3 bonded to each other and left and right connected with these left and right body sheets along the outer edges of the upper ends of these left and right body sheets 2, 3, respectively. Retail sheets 4, 5. The left and right torso seats 2 and 3 in order are the front parts 2A and 3A which cover the wearer's abdomen, the back parts 2B and 3B which cover the wearer's back, and the left and right torso parts. Neckline 6 and hem 7 formed by the upper and lower edges of the sheets 2, 3 are included. Except for the area forming the neckline 6, the upper edges of the left and right trunk seats 2 and 3 and the upper edge of the left and right sleeve seats 4 and 5 cooperate to form a pair of shoulders 8 To form.

FIG. 2 is an exploded plan view of the top 1 of FIG. 1 in which the respective sheets 2, 3, 4, 5 corresponding to the body and the sleeve are arranged symmetrically. More specifically, the top 1 includes a pair of left and right body sheets 2 and 3 arranged symmetrically with respect to the virtual symmetry line T extending up and down, and the pair of left and right body sheets 2. And 3) a pair of left and right sleeve sheets 4 and 5 lying symmetrically with respect to the virtual symmetry line T on the outside.

The left and right body sheets 2, 3 have inner and outer edges 2c, 2d, 3c, and 3d extending in the longitudinal direction parallel to each other, and upper and lower edges 2a, 2b, extending in the width direction crossing the longitudinal direction. 3a, 3d, and a center line Y1 extending in the longitudinal direction to bisect the widthwise dimension between the inner and outer edges 2c, 2d, 3c, 3d.

In the vicinity of the upper edges 2a, 3a of the left and right trunk seats 2, 3, they extend from the outer edges 2c, 3c of these sheets 2, 3 toward the respective centerlines Y1, and arcs downward. A curved cutout is formed. These cutouts are for forming the neckline 6. As for the left and right trunk | drum sheets 2 and 3, the shoulder joint line B2 extends in the horizontal direction across each centerline Y1 along the upper edge 2a, 3a. The back joint line B1 extends in the longitudinal direction along the inner edges 2d and 3d of the left and right trunk portions 2 and 3. The left and right trunk seats 2 and 3 have substantially square vibrations 2e and 3e formed somewhat closer to the upper edge starting from the respective center lines Y1. The left and right body sheets 2 and 3 are bonded to each other along their rear surface joining line B1.

The left and right sleeve sheets 4 and 5 have inner and outer edges 4c, 4d, 5c and 5d extending in the longitudinal direction parallel to each other, and upper and lower edges 4a, 4b and 5a extending in the width direction crossing the longitudinal direction. , 5b), and a centerline Y2 extending in the longitudinal direction to bisect the dimension in the width direction between the inner and outer edges 4c, 4d, 5c, and 5d.

In the left and right sleeve sheets 4 and 5, sleeve joint lines B3 extend in the longitudinal direction along the inner and outer edges 4c, 4d, 5c, and 5d, respectively. Shoulder joint lines B2 extend in the width direction along the upper edges 4a and 5a in the left and right sleeve sheets 4 and 5. The left and right sleeve sheets 4 and 5 also have substantially square vibrations 4e and 5e formed somewhat closer to the upper edge about each centerline Y2. The left and right sleeve sheets 4 and 5 have their inner surfaces folded along the centerline Y2 and then joined along the respective sleeve seams B3 to form the left and right sleeve sheets 4 and 5.

The left torso seat 3 and the left sleeve seat 5 are arranged such that the centerlines Y1 and Y2 of these sheets 3 and 5 are coincident with each other, so as to maintain the mutual alignment with each of the associated vibrations 3e and 5e. Are joined together along a vibrating bond line B4 formed by a circumferential edge thereof. Similarly, the right body sheet 2 and the right sleeve sheet 4 are arranged such that the centerlines Y1, Y2 of these sheets 2, 4 are coincident with each other, so that each associated vibration 2e, They are joined together along a vibrating bond line B4 formed by the peripheral edge of 4e). The right body sheet 2 and the right sleeve sheet 4 are joined to each other along the overlapping portions of the upper edges, that is, along the shoulder seam B2. Similarly, the left torso sheet 3 and the left sleeve sheet 5 are joined together along the overlapped portions of the upper edges, that is, along the shoulder seam B2. The shoulder joint line B2 may be aligned with the upper side of each vibration joint line B4 and extend in the transverse direction.

The shapes of the vibrations 2e, 3e, 4e, and 5e are not limited to substantially square, but may be circular or elliptical.

3 is a cross-sectional view taken along the line A-A of FIG. The left and right trunk | drum sheets 2 and 3 are joined together by the inner surface along the back joining line B1. In other words, the inner edges 2d and 3d of the two sheets 2 and 3 which are precisely fitted and bonded together extend out of the phase 1. Each inner surface of the left and right sleeve sheets 4, 5 is precisely fitted along the inner and outer edges 4c, 4d, 5c, 5d and joined together. As a result, the inner and outer edges 4c and 4d of the sheet 4 as well as the inner and outer edges 5c and 5d of the sheet 5 are joined together and extend outwardly of the top 1. Thus, any of the inner and outer edges 2d and 3d of the left and right trunk seats 2 and 3 and the inner and outer edges 4c, 4d, 5c and 5d of the left and right sleeve sheets 4 and 5 are in contact with the skin of the wearer. I never do that. This type of edge bonding is effective to prevent the wear of the tops from being impaired. In addition, the upper and left edges of the left and right body sheets 2 and 3 and the left and right sleeve sheets 4 and 5 are bonded together with their inner surfaces precisely matched (not shown).

FIG. 4 is a perspective view of the disposable top 1 of the embodiment different from FIG. 1. The top 1 includes an elastic member 9 which is joined in tension to the seat such that the left and right body seats 2, 3 extend in the transverse direction, respectively, wherein the left and right sleeve sheets 4, 5 are each circumferential. It is similar to the top 1 of FIG. 1 except that it includes an elastic member 10 joined in tension to extend in the direction. The contracting force of these elastic members 9 and 10 allows the top to fit well around the torso and arms of the wearer, thereby preventing undesired movement of the top 1 during wearing.

Although the elastic members 9 and 10 are shown attached to the outer surfaces of the left and right body sheets 2 and 3 and the left and right sleeve sheets 4 and 5, the elastic members are left and right with the left and right body sheets 2 and 3, respectively. It may also be attached to the inner surface of the sleeve sheets 4, 5. In addition, these elastic members 9 and 10 may be covered or wrapped with a nonwoven fabric before being attached to the left and right body sheets 2 and 3 and the left and right sleeve sheets 4 and 5.

The left and right body sheets 2 and 3 and / or the left and right sleeve sheets 4 and 5 are preferably made of a nonwoven fabric formed of thermoplastic fibers such as spunbond nonwoven fabric or melt blown nonwoven fabric. In particular, in order to increase the moisture retention and rigidity, the sheet is a spunbond nonwoven fabric having a basis weight of 50 to 100 g / m ² , a point bond nonwoven fabric, and a melt blown, each containing rayon, nylon, pulp or the like, or a mixture thereof. It is preferred to be made of a raw material containing a nonwoven fabric. Useful raw materials for sheets also include nonwoven fabrics made porous to improve moisture permeability and nonwoven fabrics embossed or elastically treated to create irregularities to improve their buffering properties.

The top 1 is particularly susceptible to sweating near the vibrations 2e and 3e and above the back portions 2B and 3B of the body sheets 2 and 3. In order to alleviate the undesirable effects due to sweating, a nonwoven fabric having excellent liquid hygroscopicity and liquid permeability and soft touch is applied to the inner surface of the top and near the vibrations 2e and 3e and the back portions 2B and 3B. It is preferable to provide separately. As a nonwoven fabric which satisfy | fills these requirements, it is preferable to use the nonwoven fabric containing suitable fiber, such as a rayon or cotton fiber.

5 is a flowchart showing an example of a method of manufacturing the disposable phase 1. In FIG. 5, reference numeral 1 and 3 are side views, reference numeral 2 and 4 are plan views, and are not limited to the first steps (a) to (e). For the sake of fame, the illustration and description of the left body sheet 2 and the right body sheet 3 are omitted. The top 1 includes a pair of left and right body sheets 2 and 3 and a pair of left and right sleeve sheets each having a predetermined width along the line including the first steps (a) to the ninth step (i). 4, 5).

The left and right body sheets 2, 3 are formed in the width direction between the upper and lower surfaces and the inner and outer edges 2c, 2d, 3c, and 3d extending in the longitudinal direction, and these inner and outer edges 2c, 2d, 3c, and 3d. A center line Y1 extends in the longitudinal direction to bisect the dimension. The left and right trunk portions 2 and 3 have the same dimensions in the width direction, respectively, and are supplied at the same speed.

The left and right sleeve sheets 4 and 5 have dimensions in the width direction between the upper and lower surfaces and the inner and outer edges 4c, 4d, 5c and 5d extending in the longitudinal direction, and these inner and outer edges 4c, 4d, 5c and 5d. The center line Y2 extends in the longitudinal direction to bisect and extends in the longitudinal direction to bisect the width between the inner and outer edges 2d and 2c and the width between the inner and outer edges 5d and 5c. The left and right sleeve sheets 4 and 5 have the same dimensions in the width direction, respectively, and are fed forward at the same speed as the left and right trunk seat sheets 2 and 3.

The first step (a) continuously feeds the left and right torso body sheets 2, 3 having a predetermined width in the longitudinal direction, and the portions 6a of these sheets 2, 3 along the perforation line K1. Step to cut.

The second step (b) continuously feeds the left and right sleeve sheets 4 and 5 having a predetermined width in the longitudinal direction, and the left sleeve sheet 5 to the left body sheet 3 and at the same time the right sleeve sheet. (4) is a step of arranging the right body sheet (2).

The third step (c) is a step of joining the left body sheet 3 to the left sleeve sheet 5 and the right body sheet 2 to the right sleeve sheet 4 along the vibrating bond line B4.

The fourth step (d) is a step of cutting the left body sheet 3, the left sleeve sheet 5, the right body sheet 2, and the right sleeve sheet 4 from the vibration cut line K2, respectively.

The fifth step (e) comprises the left body sheet 3 and the left sleeve sheet 5, the right body sheet 2 and the right sleeve sheet 4 as the centerline of these sheets 2, 3, 4, 5. Folding step along (Y1, Y2).

The sixth step (f) unfolds the back parts 2B, 3B of the left body sheet 3 and the right body sheet 2, and the left and right body sheets 2, 3 along the back joint line B1. Joining together.

The seventh step (g) unfolds the front portions 2A, 3A of the left torso sheet 3 and the right torso sheet 2, and the left and right sleeve sheets 4 and 5 to each sleeve joint line B3. The step of joining accordingly.

The eighth step (h) simultaneously joins the left body sheet 3 and the left sleeve sheet 5, the right body sheet 2 and the right sleeve sheet 4 along the shoulder joint lines B2, respectively. Step.

In the ninth step (i), the left and right body sheets 2 and 3 and the left and right sleeve sheets 4 and 5, which are joined together in the previous step, are cut along the shoulder perforation line K3 and the hem perforation line K4. It is a step to get individual tops.

The left and right body sheets 2 and 3 and the left and right sleeve sheets 4 and 5 are moved over each step (a) to step (i) by respective rolls driven by the drive means.

In the first step (a), the left torso sheet 3 wound on the conveying roll 100 is continuously fed in the longitudinal direction. Along the perforation line K1 drawing a convex trajectory from the outer edge 3c of the left torso seat 3 toward the centerline Y1 by the cutter` device 102 disposed downstream of the conveying roll 100. The part 6a of the left trunk | drum sheet 3 is cut out.

In the second step (b), the left sleeve sheet 5 wound on the conveying roll 103 is continuously fed in the longitudinal direction forward, and the centerline Y1 and the left sleeve sheet 5 of the left torso sheet 3 are fed. The upper surface of the left body sheet 3 and the lower surface of the left sleeve sheet 5 are superimposed so that the center line Y2 of () is coincident with each other.

In the third step (c), the left torso sheet 3 and the left sleeve sheet 5 superimposed on each other are joined to each other along the neck circumference B4 by a sealer means 105. This neck joint line B4 lies between the inner and outer edges 5d and 5c slightly forward of the neck circumference line K1 in the feeding direction of these sheets 3 and 5. The neck juncture line B4 draws a convex trajectory from the center line Y2 toward the outer edge 5c and the inner edge 5d.

In the fourth step (d), the left body sheet 3 and the left sleeve sheet 5 joined to each other in the previous step (c) along the neck circumference line B4 are cut along the vibrating cut line K2 to vibrate. Form. This vibrating cut line K2 extends along the junction line B4 inside the neck joint line B4.

In the fifth step (e), the left torso sheet 3 and the left sleeve sheet 5, which are overlapped and bonded to each other, are folded along the centerlines Y1 and Y2 of these sheets 3 and 5, and the sheets 3 and 5 Fit the top of).

While the left body sheet 3 and the left sleeve sheet 5 are moved through the first to fifth steps, the right body sheet 2 and the right sleeve sheet 4 have their center lines at the left body sheet. It moves on the line parallel to the left trunk seat 3 and the left sleeve seat 5 so as to oppose each centerline Y1 and Y2 of (3) and the left sleeve seat 5, respectively.

In the sixth step (f), the back portions 2B, 3B of the left and right trunk sheets 2, 3 extending between the centerline Y1 of the left and right trunk sheets 2, 3 and the inner edges 2d, 3d. ) Is spread around the vibration bonding line B4 by the inversion device 108. Therefore, the back parts 2B and 3B of the left and right trunk parts 2 and 3 are joined together by the sealer device 109 at the back part joining line B1. This backside joining line B1 extends inwardly along the inner edges 2d and 3d of the left and right trunk portions 2 and 3.

In the seventh step (g), the front portions 2A, 3A of the left and right trunk seats 2, 3 extending between the centerline Y1 of the left and right trunk seats 2, 3 and the outer edges 2c, 3c. ) Is spread around the vibration bonding line B4 by the inversion device 110. The folded left sleeve sheet 5 is joined along the sleeve seam B3 by the sealer device 111, and the folded right sleeve sheet 4 also forms the sleeve seam B3 by the sealer device 111. Are joined along. The sleeve bond line B3 extends in the longitudinal direction along the inner and outer edges 4c, 4d, 5c, and 5d of the left and right sleeve sheets 4 and 5.

In the eighth step h, the left and right body sheets 2 and 3 and the left and right sleeve sheets 4 and 5 are joined along the respective shoulder joint lines B2 by the sealer means. Shoulder joint line (B2) is a vibrating joint line (B4) as seen from the machine direction between the neck circumference line (K1) formed around the centerline (Y1) of the left and right body sheets (2, 3) and the sleeve joint line (B3). Extends from the back. Optionally, the shoulder joint line B2 is an upper side of the vibration joint line B4 between the neck circumference line K1 and the sleeve joint line B3 formed around the center line Y1 of the left and right body sheets 2 and 3. To extend.

In the ninth step (i), the left and right body seat sheets 2 and 3 and the left and right sleeve sheets 4 and 5 assembled in the previous step are shoulder cut line K3 and hem cut line K4 by the cutter device 113. Cut along). Shoulder perforation line K3 extends along one of the shoulder seams B2, along a line transversing the end of the neck perforation line K1, and along the other shoulder seam B2. . The end cutting line K4 extends at a predetermined distance from the vibration bonding line B4 in the longitudinal direction.

Bonding of the sheets can be performed using a suitable adhesive such as a hot melt adhesive or a suitable sealing technique such as heat seal or ultrasonic seal. Bonding of the sheets can occur continuously or intermittently. Cutting of the sheet can be performed using a cutting technique using a cutting die as well as using a laser beam or ultrasound.

In the system described above, the first step (a) to the ninth step (i) are automatically performed continuously to improve the productivity of the upper garment (1). Steps (a) to (i) may be operatively associated with a control device (not shown) that facilitates such automation. For example, these control means serve to correct misalignment of the centerlines Y1 and Y2 of the left and right body seats 2 and 3 and the left and right sleeve sheets 4 and 5, which may occur when the sheets overlap each other. Control means and control means for correcting the actual feed rates of the left and right body seats 2 and 3 and the left and right sleeve sheets 4 and 5 to a predetermined feed rate.

The control means for correcting misalignment of the center lines Y1 and Y2 is carried out between the conveying roll 100 and the cutter device 102 in the first step (a), and the conveying roll 103 and the seal in the second step B. It is preferable to be provided between the chuck device 105.

As an example which embodied such a control means, the optical measuring device formed by the light transmitting part and the light receiving part, the rotation speed measuring device which measures the rotational speed of a roll, and the control connected to these measuring devices There are an apparatus, movable apparatuses 101 and 104 and a driving apparatus connected to this control apparatus.

The memory of the control device includes a program for realizing an optimal operating environment of the system. The program includes a correlation with the control amount for such misalignment to correct misalignment of the side edges of the sheet, the rotational speed of the drive device for rotating the roll and the feed rate of the sheet. In addition, the tolerance and setting speed are already included. When the system is running, the program is started to run under the control of the OS to execute a predetermined task. The measurement results are input in real time from the optical measuring device and the rotational speed control device.

In the first step (a), the light transmitting portion and the light receiving portion of the optical measuring device are disposed so as to cross up and down one side edge of the left body sheet 3 and one side edge of the right body sheet 2. In the second step (b), the light transmitting portion and the light receiving portion of the optical measuring device are disposed so as to cross up and down one side edge of the left sleeve sheet 5 and one side edge of the right sleeve sheet 4. The rotational speed measuring device is coupled to each drive device of the rolls of the first step (a) and the second step (b) and each drive device of the roll mounted inside the sealer device and the cutter device.

The light is radiated from the light transmitting part of the optical measuring device toward the light receiving part based on the pulse signal generated by the control device. The irradiation range of light irradiated from the light transmitting portion has a predetermined area, and the light passing through the outside of the side edge of the sheet without being blocked by the sheet is incident on the light receiving portion.

In the control device, for example, the amount of electricity converted from light emitted from the light-transmitting unit into electricity is 100%. The range of -60% is recognized as a normal value. If an error occurs in the side edge of the sheet, the amount of electricity input to the control device changes. When this electric quantity exceeds 50 to 60%, a control apparatus determines that an error exists in a sheet | seat. If it is determined that there is a misalignment, the control signal for correcting the error is output to the movable device.

The movable apparatuses 101 and 104 press and rotate at least one side of the sheets 2, 3, 4, and 5 up and down, and move the rolls to move the sheets 2, 3, 4, and 5 around them. And a motor for reciprocating the movable roll in the width direction. The motor can reciprocate the movable roll in the width direction and move one end up and down from the center of the movable roll as a starting point. The movable devices 101 and 104 move the movable roll by a predetermined dimension based on the control amount from the controller. When the movable roll is moved, the sheets 2, 3, 4, and 5 moving around the axial direction face the moving direction of the movable roll. By shifting the sheets 2, 3, 4, 5, the positions of the sheets 2, 3, 4, 5 can be corrected. If the control device determines that error correction is impossible, the system can be stopped.

When using a CCD (charge coupled device) camera as the optical measuring device, the analog electric signal of the CCD camera is transmitted to the control device, and the control device converts the digital signal into a digital signal by an A / D converter, and converts the digital signal into a control device. Binarization in the pretreatment of. The logic calculating section of the control device extracts the geometrical features of the sheets 2, 3, 4, and 5 by using the binarized signals, compares them with the contour patterns of the sheets already included, and performs comparison judgment. 3, 4, and 5) determine the misalignment.

The control device compares and calculates the feeding speeds of the left and right trunk seats 2 and 3 and the feeding speeds of the left and right sleeve sheets 4 and 5, and when the result is outside the range of the already set feed rate, the sheet 2, A control command for modifying the rotational speed of the roll is output to the drive device so that the supply speeds of 3, 4, and 5 are within the set range.

The control apparatus controls the rotation speed of the drive device of each roll so that the rotation speed of each roll may become the same. The rotation speed of the drive device may employ either or both of a rotation speed control method and a power control method.

According to the disposable top according to the present invention and a manufacturing method thereof, the wearing feeling is improved by a unique arrangement in which the inner and upper edges of the left and right body sheets and the inner and outer edges of the left and right sleeve sheets do not contact the wearer's skin during wearing.

The tops can be produced in an automated and continuous process, which increases productivity per unit time and correspondingly reduces manufacturing costs.

Claims (4)

In a disposable top comprising a neckline and a pair of shoulders at the top, a hem at the bottom, and a pair of sleeves connected to the shoulder and extending between the top and the bottom, The left and right sleeve sheets each having an inner and outer edge extending between the upper end and the upper and lower ends, and arranged in a line symmetry, and the inner and outer edges extending between the upper and lower ends and the upper and lower sides, respectively. A left and right body seat disposed symmetrically with each other inside the sleeve seat, The left and right sleeve sheets are folded along a centerline extending between the upper and lower ends to bisect the dimensions between the inner and outer edges of these sheets and then joined together leaving only a small area along the inner and outer edges, the left and right body sheets being Joined together, leaving only a small area along the inner edge of the sheet, And the left and right sleeve sheets and the left and right body sheets are respectively bonded together along the circumferential edges of vibrations associated with these sleeve sheets and body sheets. The disposable top according to claim 1, wherein the upper end of the left and right body sheets and the upper end of the left and right sleeve sheets overlap each other and are bonded together except for a neck opening area. The disposable top of claim 1, wherein one or both of the left and right body sheets and the left and right sleeve sheets are made of a nonwoven fabric. As a manufacturing method of a disposable phase, (a) The left and right body sheet sheets each having a top and bottom, inner and outer edges extending in the longitudinal direction, and a center line extending in the longitudinal direction so as to bisect the widthwise dimension between these inner and outer edges, forward of the longitudinal direction. Feeding continuously and cutting a portion of each sheet along a circumferentially curved neckline from the outer edge of the sheet toward the centerline; (b) each having a top and bottom, inner and outer edges extending in the longitudinal direction, and a centerline extending in the longitudinal direction to bisect the widthwise dimension between these inner and outer edges, each narrower than the respective left and right body sheets; The left and right sleeve sheets are continuously fed forward in the longitudinal direction, and the upper surface of the left body sheet and the lower surface of the left sleeve sheet are overlapped so that the center line of the left and right body sheets coincides with the center line of the left and right sleeve sheets, and the top surface of the right body sheet is Superimposing a lower surface of the right sleeve sheet with the right sleeve; (c) each of the left and right body seats and the left and right sleeve sheets superimposed on one another is placed between the inner and outer edges of the left and right sleeve sheets slightly forward of the perforation line and viewed from the feeding direction of these sheets and from the center line towards the inner and outer edges; Joining each other along a vibration drawing a convex trajectory; (d) cutting each of the left and right body sheets and the left and right sleeve sheets superimposed on each other in a vibration cut line extending inwardly along the vibration bond line; (e) folding the right body sheet and the right sleeve sheet together along the centerline and folding the left body sheet and the left sleeve sheet together along the centerline, overlapping the upper surfaces of the left body sheet and the left sleeve sheet and right Overlapping the upper surface of the body sheet and the right sleeve sheet with each other, (f) feeding the left body sheet and the left sleeve sheet and the right body sheet and the right sleeve sheet in parallel in the longitudinal direction such that the center lines of these sheets coincide with each other, and between the center line of the left and right body sheets and the inner edge thereof. Spreading the rear portions of the left and right body sheets extending along the vibration joint line, and then joining the unfolded rear portions along the rear junction lines extending in the longitudinal direction along the inner edge of the left and right body sheets; (g) spreading each of the front portions extending between the centerline and the outer edges of the left and right body sheets along the vibrating bond line and then extending each of the folded left and right sleeve sheets along the inner and outer edges of these sleeve sheets in the longitudinal direction; Joining along the sleeve seam; (h) Shoulder seam or left and right body parts extending the left and right body seat and the left and right sleeve seats between the neck circumference line formed around the center line of the left and right body seat sheets and the sleeve joint line behind the vibration joint line in the sheet feeding direction. Bonding along a shoulder seam that extends between a circumference of tear formed around the centerline of the sheet and a sleeve seam across the vibrating seam; And (i) traversing both ends of the circumference of the neck perforation along the shoulder perforation that extends behind and along one of the shoulder seams and behind one of the other shoulder seams Cutting along the line and along the hem line extending transversely at a predetermined distance forward from the vibrating seam in the sheet feeding direction Method for producing a disposable phase comprising a.