JPH0724317U - Pants-type disposable diaper - Google Patents

Abstract

(57) [Summary] [Purpose] After use, the elastic body used for waist gathers and leg gathers is pulled out from the notch, rolled and fixed to enable hygienic and compact disposal. Also, during use, leakage of urine from the cutout side is prevented. [Structure] The elastic body 5 to be attached to the waist gathers 6 or the leg gathers 13 of a pants-type diaper is formed by fixing only the both ends to the flaps 4 and 11. In addition, the notch 8 is formed in the leak-proof layer 3 so as to correspond to the non-fixed portion 7 in the middle of the elastic body 5. The surface layer 2 side of the elastic body 5 corresponding to the cut portion 8 is covered with a water-impermeable or water-repellent cover sheet 9. After use, the outer circumference of the diaper 14 is wound and fixed by the elastic body 5 pulled out from the cut portion 8.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a disposable diaper formed into a pants type, and is adapted to be worn by a user such as a baby, and can be compactly rolled up and discarded after use.

[0002]

[Prior art]

 Conventionally, as a pants-type disposable diaper, the idea described in Japanese Utility Model Laid-Open No. 4-117618 is known. According to this conventional device, a fastening portion is integrally formed on both sides of the diaper body, and the fastening portion is fastened to the outer surface of the leak-proof layer of the rolled diaper so that the used diaper can be removed. It had an advantage that it could be rolled and fixed and discarded.

[0003]

[Problems to be solved by the device]

 However, in the above diaper, both sides of the diaper body are arcuately bulged to form the fastening portion in a complicated shape. Therefore, when the material is cut by a cutter in the manufacturing process, the work becomes complicated and the manufacturing becomes difficult.

Further, in the above diaper, the fastening portion that functions only at the time of disposal is formed by using an extra material. Therefore, there is a drawback that the amount of materials used is large and the manufacturing cost is increased.

The present invention is intended to solve the above problems, and in a pants-type diaper, it can be rolled and fixed after use to make it possible to dispose of sanitarily. Reduce the amount of garbage generated. Also, as a pants-type diaper, the material that is originally required for its function is diverted to obtain an inexpensive product.

[0006]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention provides a pants-type diaper body having a liquid-absorbent absorption layer between a surface layer and a leak-proof layer. An elastic body is interposed between the surface layer and the leakproof layer, and both ends of this elastic body are fixed between the leakproof layer and the surface layer, and the middle part is made the non-fixed part. Form a notch in the corresponding leakproof layer, at least cover the surface layer side of the elastic body corresponding to the notch with a water-impermeable or water-repellent coating sheet, and remove the elastic body from the notch. It can be pulled out in one direction, and the pulled out elastic body can be wound around the outer circumference of the diaper and fixed.

Further, in a pants-type diaper body having a liquid-absorbent absorbing layer provided between the surface layer and the leakproof layer, between the surface layer and the leakproof layer of the side flap without the absorbent layer interposed. An elastic body is interposed between the leakproof layer and the surface layer at both ends of this elastic body, and the middle part is the non-fixed part, and cut into the leakproof layer corresponding to this non-fixed part. The surface layer side of the elastic body corresponding to the cut portion is covered with a water-impermeable or water-repellent coating sheet, and the elastic body can be pulled out from the cut portion. The elastic body can be wound around the outer circumference of the diaper and fixed.

Further, the covering sheet may be formed by folding back the end portion in the length direction of the leakproof layer to the inner surface side of the surface layer.

The cover sheet may be formed separately from the leak preventive layer.

Further, the leakproof layer may be made of a water impermeable sheet.

The leak-proof layer may be formed by coating a non-water-permeable sheet with a non-woven sheet.

Further, the cut portion may be formed by a cutting line which is opened in advance.

Further, the cut portion may be formed by a perforation capable of breaking.

Further, the cut portion may be formed on the ventral side of the end flap.

Further, the notch may be formed on the back side of the end flap.

Further, the notch may be formed on both the ventral side and the dorsal side of the end flap.

The cover sheet may be formed by folding back both sides of the leakproof layer to the inner surface side of the surface layer.

Further, the cut portion may be formed on one of the side flaps.

In addition, the notches may be formed on both side flaps.

[0020]

[Action]

 Since the present invention is configured as described above, when wearing a diaper on a user such as a baby, the posture of the user may be either standing or sleeping. Insert the user's foot from the annular waist gather, pull up the diaper to put on the pants, and place the waist gather on the user's waist, the diaper will be stretched by the elastic body of the waist gather. Can be locked by the user.

To remove the diaper, the connecting portions located on both sides of the waist gather portion are broken, and the diaper body is unfolded so that the diaper can be easily removed. When deployed in this manner, the excrement excreted in the diaper can be removed hygienically without the risk of sticking to the user's legs.

Further, in the above, the diaper was removed after the connecting portion was broken, but it is also possible to lower the pants so that the pants can be removed without breaking the connecting portion.

In addition, in order to discard the used diaper by using the elastic body used for the waist gathers, first, the diaper body should be placed with the notch provided on the end flap positioned outside. Roll and roll. Then, by pulling out the non-fixed portion of the elastic body from the notch located on the outer surface side of the rolled diaper body and winding the pulled-out elastic body around the outer circumference of the diaper, the diaper is fixed in the rolled state. Therefore, the diaper can be disposed of hygienically and compactly without fear that the excrement inside the diaper leaks to the outside.

Further, in order to discard the used diaper by using the elastic body used for the leg gather portion, the diaper body is rolled from one end flap and rolled. Then, the non-fixed portions of the elastic body are pulled out from the notches of the side flaps located on both sides of the rolled diaper body, and the pulled out elastic body is wound around the outer circumference of the diaper and fixed.

In the diaper, the surface layer side of the elastic body is covered with a water-impermeable or water-repellent cover sheet. Therefore, even if urine, etc., travels through the surface layer during wear and rises in the waist gather direction or diffuses in the leg gather direction, the covering sheet blocks penetration into the cut portion side, and the cut portion It is possible to prevent urine from leaking.

In addition, this fixing method is not performed by providing a fixing means that is unnecessary for the original function of the diaper, but by diverting the elastic body of the waist gather portion or leg gather portion that has already been used for the diaper. I can do it. Therefore, the structure is simplified, the manufacturing is simple, and the cost is low. In addition, since the elastic body is reused and fixed in the diaper, the amount of material used is small and the amount of dust generated at the time of disposal can be reduced.

Further, if the cover sheet is formed separately from the leak preventive layer, the surface layer side of the elastic body can be covered with the water repellent sheet. Moreover, since it is not necessary to fold the cover sheet to form the cover sheet, a simple cutting operation can be performed when the diaper bodies continuously formed in the length direction are separated one by one.

If the leak-proof layer is made of a water-impermeable sheet, the amount of the material used can be reduced by using a single type of material, and the manufacturing cost can be reduced.

Further, if the non-water-permeable sheet is formed by covering the non-water-permeable sheet with the non-woven sheet, the non-water-permeable sheet can obtain the leak-preventing effect of the non-water-permeable sheet and the soft touch feeling of the non-woven sheet, and can be worn. Feels good.

Further, if the cut portion is formed by a cutting line which is opened in advance, the elastic body can be easily pulled out.

If the cut portion is formed by a perforable perforation, the opening of the cut portion is made small during use, so that the elastic body is hard to be seen by a user such as a baby. It is possible to prevent mischief such as cutting the elastic body.

When the elastic body of the waist gather portion is diverted, if the cover sheet is formed by folding back the lengthwise end of the leakproof layer to the inner surface side of the surface layer, the surface layer side of the elastic body is formed. It is possible to coat using a water-impermeable leak-proof layer, which enables low-cost manufacturing.

Further, the cut portion may be formed on the ventral side of the end flap or may be formed on the back side of the end flap. Further, if the notches are formed on both the ventral side and the dorsal side of the end flaps, the diaper can be rolled up and rolled in either direction, so that it can be used easily.

Further, when the elastic body of the leg gather portion is diverted, if the cover sheet is formed by folding back both sides of the leakproof layer to the inner surface side of the surface layer, the surface layer side of the elastic body becomes water impermeable. The leak-proof layer can be used for coating, which enables low-cost manufacturing.

If the notch is formed on one of the side flaps, the notch can be easily formed. If the cutouts are formed on the side flaps on both sides, the elastic body can be pulled out and fixed from either the left or right cutouts. Also, if the elastic body is pulled out from the notches on both sides, it is possible to surely fix it by rolling.

[0036]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. (1) is an absorbent layer, which is formed of a liquid absorbent material such as cotton, pulp, absorbent polymer, etc. As shown in (1), the liquid-permeable surface layer (2) is coated and the back surface side is coated with the leak-proof layer (3).

If the leak-proof layer (3) is made of a single type of water-impermeable sheet such as polyethylene, the amount of materials used is small, and the manufacturing cost is low.

Further, when the leak-proof layer (3) is formed by covering a water-impermeable sheet with a non-woven sheet, the leak-proof effect due to the water-impermeable sheet located on the absorbent layer (1) side and the outer surface The soft feeling of the non-woven sheet positioned on the side is obtained, and the wearing feeling is improved.

In addition, as shown in FIG. 1, end flaps (4) including a surface layer (2) and a leakproof layer (3) are bulged at both ends in the length direction of the absorbent layer (1). A waist gather (6) is formed by interposing an elastic body (5) such as rubber thread between the surface layer (2) of the end flap (4) and the leakproof layer (3). To do. The elastic body (5) has its both ends fixed between the leak-proof layer (3) and the surface layer (2) by an adhesive such as hot melt. In addition, the elastic body (5) does not fix the intermediate part except the both ends to be the non-fixed part (7).

Further, the leak preventive layer (3) corresponding to the non-fixed portion (7) of the elastic body (5) is provided with a cut portion (8) as shown in FIG. If the notch (8) is formed by a previously opened cutting line, the elastic body (5) can be easily pulled out. In addition, if the notch (8) is formed by a perforatable perforation, the opening of the notch (8) can be made small during use, so that the elastic body (5 ) Becomes difficult to see, and mischief such as cutting the elastic body (5) can be prevented.

Further, the surface layer (2) side of the elastic body (5) corresponding to the cut portion (8) is covered with a covering sheet (9) as shown in FIG. As the cover sheet (9), the one in which the end portion in the length direction of the leakproof layer (3) is folded back to the inner surface side of the surface layer (2) is used. Further, the coverage of the coating sheet (9) may cover the entire surface layer (2) side of the elastic body (5), but at least the elastic body (5) corresponding to the cut portion (8) is covered. The surface layer (2) side of is covered.

Further, the cut portion (8) may be formed on the ventral side of the end flap (4) or may be formed on the back side of the end flap (4). Moreover, if the notch (8) is formed on both the ventral side and the dorsal side of the end flap (4) as shown in FIG. 1, even if the diaper body (10) is rolled from the ventral side, Even when the main body (10) of the diaper is wound, the notch (8) can be located on the outer surface side without fail, which enables simple use.

Further, on both sides of the absorbent layer (1), side flaps (11) composed of a surface layer (2) and a leak preventive layer (3) are bulged out, and the side flaps (11) are located on the ventral side. As shown in FIG. 1, the back side is rupturablely connected through a connecting portion (12) to form a pants-shaped overall shape.

Further, by inserting an elastic body (15) such as rubber thread between the surface layer (2) of the side flap (11) and the leakproof layer (3), Form leg gathers (13).

When the diaper (14) is attached to a user such as a baby in the one configured as described above, the posture of the user may be either standing or sleeping. First, insert the user's foot from the annular waist gather (6), pull up the diaper (14) so that the pants are put on, and place the waist gather (6) on the user's waist. 14) can be locked to the user by the elastic force of the elastic body (5) of the waist gather (6).

In order to remove the diaper (14), the connection parts (12) located on both sides of the waist gather (6) are broken, and the diaper body (10) is unfolded so that the diaper (14) can be easily removed. When unfolded in this manner, the excrement excreted in the diaper (14) does not have a risk of adhering to the user's leg and can be hygienically removed.

Further, in the above description, the diaper (14) was removed after the connecting part (12) was broken, but it is also possible to lower the pants so that the pants can be taken off without removing the connecting part (12). Is.

In order to discard the used diaper (14) removed from the user, first, with the notch (8) formed in the end flap (4) being located outside, the diaper (14) shown in FIG. Roll and roll the diaper body (10) as shown in.

Then, as shown in FIG. 3, the non-fixed portion (7) of the elastic body (5) is pulled out from the cut portion (8) located on the outer surface side of the rolled diaper body (10), and is pulled out. When the elastic body (5) is wound around the outer circumference of the diaper body (10) as shown in FIG. 4, the diaper (14) is fixed in a rolled state. Therefore, the diaper (14) can be disposed of hygienically and compactly without fear that the excrement inside the diaper (14) leaks to the outside.

Further, the diaper (14) is made of a water-impermeable cover sheet (9) formed by a leakproof layer (3) on the surface layer (2) side of the elastic body (5) as shown in FIG. To cover. Therefore, even when urine etc. is transmitted through the surface layer (2) and rises in the direction of waist gather (6) during wearing, the covering sheet (9) prevents penetration into the notch (8) side. As a result, it is possible to prevent urine from leaking from the notch (8).

Further, in the above embodiment, the covering sheet (9) is formed by folding back the end portion in the length direction of the leakproof layer (3) to the inner surface side of the surface layer (2). However, in another embodiment, as shown in FIG. 6, the covering sheet (9) is provided by a water repellent non-woven cloth formed separately from the leak preventive layer (3). When formed in this way, it is not necessary to fold back the covering sheet (9), so a simple cutting operation can be performed when separating the diaper bodies (10) that are continuously formed in the lengthwise direction one by one. It will be possible.

Further, in the above embodiment, the non-fixed portion (7) of the elastic body (5) of the waste gather (6) is pulled out from the cut portion (8) formed in the end flap (4) to make the diaper. The round fixing of (14) was performed. However, in different embodiments, both ends of the elastic body (15) of the leg gathers (13) are fixed between the leak preventive layer (3) and the surface layer (2) by an adhesive such as hot melt. Then, the middle part except both ends is not fixed and is made the non-fixed part (7). Further, the leak preventive layer (3) corresponding to the non-fixed portion (7) of the elastic body (15) is provided with a cut portion (8) as shown in FIG.

In order to discard the used diaper (14) by using the elastic body (15) of the leg gathers (13), roll the diaper body (10) from one end flap (4) and roll it. Meru. Then, the non-fixed portion (7) of the elastic body (15) is pulled out from the cut portion (8) of one side flap (11) located on both sides of the rolled diaper body (10), and this is pulled out. The elastic body (15) is wound around and fixed to the outer circumference of the diaper (14) as shown in FIG. Further, in this fixing, the side flaps (11) on both sides are provided with a cut portion (8), and the elastic body (15) of the leg gathers (13) on both sides from the cut portion (8) is shown in FIG. You can pull it out like this.

[0054]

[Effect of device]

 Since the present invention is configured as described above, in a pants-type disposable diaper, it is possible to prevent leakage during use and to fix it in a rolled state after use, so that the internal waste is external. It is possible to dispose of it in a sanitary and compact manner without any risk of leakage.

In addition, since this fixing method is performed by diverting the elastic body of the waist gather portion or leg gather portion used in the diaper, the structure is simplified and simple manufacturing is possible. Therefore, compared to conventional diapers, the amount of materials used is smaller, the amount of waste generated at the time of disposal is reduced, and inexpensive manufacturing is possible.

[Brief description of drawings]

FIG. 1 is a perspective view of a diaper in which an end flap is provided with a cut portion.

FIG. 2 is a perspective view in which the diaper is unfolded after use and one end is rolled.

FIG. 3 is a perspective view showing a state in which the elastic body is pulled out from the cut portion and the diaper is rolled.

FIG. 4 is a perspective view showing a state in which a rolled diaper is fixed with an elastic body.

FIG. 5 is an enlarged cross-sectional view of a main part in which one end of the leakproof layer is folded back to form a covering sheet.

FIG. 6 is an enlarged cross-sectional view of a main part in which a cover sheet is formed separately from the leakproof layer.

FIG. 7 is a plan view showing a stretched state of a diaper in which a side flap is provided with a cut portion, from a leak preventive layer.

FIG. 8 is a perspective view showing a state where the elastic body is pulled out from one notch and the diaper is rolled.

FIG. 9 is a perspective view showing a state where the elastic body is pulled out from the notches on both sides and the diaper is rolled.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Absorption layer 2 Surface layer 3 Leak-proof layer 4 End flap 5 Elastic body 7 Non-fixed part 8 Cut part 9 Cover sheet 10 Diaper main body 11 Side flap 15 Elastic body

Claims (14)

[Scope of utility model registration request] 1. A pant-type diaper body comprising a liquid-absorbent absorbing layer provided between the surface layer and the leak-proof layer, wherein the end-flap surface layer and the leak-proof layer do not have an absorbent layer interposed therebetween. An elastic body is interposed between the elastic body, the both ends of the elastic body are fixed between the leakproof layer and the surface layer, and the middle portion is made a non-fixed portion, and the cutout portion is formed in the leakproof layer corresponding to the non-fixed portion. Is formed, at least the surface layer side of the elastic body corresponding to the cut portion is covered with a water-impermeable or water-repellent coating sheet, and the elastic body can be pulled out from the cut portion. Body
A pants-type disposable diaper characterized by being able to be wound and fixed around the outer circumference of the diaper. 2. In a pant-type diaper body having a liquid-absorbent absorbent layer provided between the surface layer and the leakproof layer, between the surface layer of the side flap without the absorbent layer and the leakproof layer. An elastic body is interposed between the elastic body, the both ends of the elastic body are fixed between the leakproof layer and the surface layer, and the middle portion is made a non-fixed portion, and the cutout portion is formed in the leakproof layer corresponding to the non-fixed portion. Is formed, at least the surface layer side of the elastic body corresponding to the cut portion is covered with a water-impermeable or water-repellent coating sheet, and the elastic body can be pulled out from the cut portion. Body
A pants-type disposable diaper characterized by being able to be wound and fixed around the outer circumference of the diaper. 3. The underpants type disposable diaper according to claim 1 or 2, wherein the cover sheet is formed separately from the leak-proof layer. 4. The underpants type disposable diaper according to claim 1 or 2, wherein the leak-proof layer is made of a water-impermeable sheet. 5. The underpants type disposable diaper according to claim 1, wherein the leak-proof layer is formed by coating a non-permeable sheet with a non-woven sheet. 6. The underpants type disposable diaper according to claim 1 or 2, wherein the notch is formed by a cutting line which is opened in advance. 7. The underpants type disposable diaper according to claim 1 or 2, wherein the notch is formed by a perforation capable of breaking. 8. The underpants type disposable diaper according to claim 1, wherein the cover sheet is formed by folding back an end portion in the lengthwise direction of the leakproof layer to the inner surface side of the surface layer. 9. The pants-type disposable diaper according to claim 1, wherein the notch is formed on the ventral side of the end flap. 10. The pants-type disposable diaper according to claim 1, wherein the notch is formed on the back side of the end flap. 11. The underpants type disposable diaper according to claim 1, wherein the notches are formed on both the ventral side and the dorsal side of the end flap. 12. The pants-type disposable diaper according to claim 2, wherein the cover sheet is formed by folding back both sides of the leakproof layer to the inner surface side of the surface layer. 13. The underpants type disposable diaper according to claim 2, wherein the notch is formed on one of the side flaps. 14. The pants-type disposable diaper according to claim 2, wherein the notches are formed on both side flaps.