JPH0739816U - Pants-type disposable diaper - Google Patents

Abstract

(57) [Summary] [Purpose] After use, pull out the elastic body on the intermediate side used for waist gathers from the notch and roll and fix the diaper to enable hygienic and compact disposal. Further, during use, the diaper is prevented from losing its shape and urine is prevented from leaking from the cutout side. [Structure] Three or more elastic bodies 5 are provided in parallel on the end flaps 4 of a pants-type diaper. Of this elastic body 5,
The elastic body 5 located outside is fixed to the end flap 4 from one end to the other end. Further, the elastic body 5 of the intermediate portion is fixed only at both ends, and the fixed portions are non-fixed portions. Further, the cut portion 8 is formed in the leakproof layer 3 of the non-fixed portion, and 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 coating sheet.

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. If three or more elastic bodies are interposed in parallel between the surface layer and the leakproof layer, and at least the outermost elastic body of these elastic bodies is fixed between the leakproof layer and the surface layer. Both ends of at least one elastic body located in the middle part are fixed between the leak-proof layer and the surface layer, and this fixed interval is made the non-fixed part, and the leak-proof layer corresponding to this non-fixed part A cut portion is formed on the surface, 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 to the outside. This elastic body can be wound around the outer circumference of the diaper and fixed. Than it is.

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

The leakproof layer may be made of a water impermeable sheet.

The leakproof 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 by an opening hole punched out in advance.

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.

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.

[0017]

[Action]

 Since the present invention is configured as described above, when a diaper is worn by a user such as a baby, the user may have either a standing posture or a sleeping posture. First, insert the user's foot from the annular waist gather part, pull up the diaper to put on the pants, and place the waist gather part on the user's waist, and the diaper will be placed in parallel with the waist gather part. It can be locked to the user by the stretching force of three or more elastic bodies mounted.

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 description, 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 and remove the pants.

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, from the notch located on the outer surface side of the rolled diaper body, the non-fixed portion of the intermediate elastic body among the elastic bodies arranged in parallel is pulled out. Then, by winding the pulled elastic body around the outer circumference of the diaper, the diaper is fixed in a rolled state. Therefore, the diaper can be disposed of sanitarily and compactly without the risk of the excrement inside leaking out.

Further, the elastic body provided with the non-fixed portion is located at an intermediate portion between the elastic bodies that are completely fixed from one end to the other end. For this reason, since the normal elastic action of the waist gathers is performed by the elastic body that is completely fixed, it is possible to prevent the diaper from scratching its shape and to wear it while fitting it to the body.

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 and rises in the direction of waist gather during wearing, the covering sheet prevents the urine from leaking from the notch by penetrating into the notch. It can be prevented.

Further, this fixing method is not performed by providing a fixing means which is unnecessary for the original function of the diaper, but by diverting the non-fixed portion of the elastic body of the waist gather portion which is already used in the diaper. I can do it. Therefore, the structure is simplified, the manufacturing is simple, and the cost is low. Further, 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, it is possible to cover the surface layer side of the elastic body with a 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 have the leak-preventing effect and the soft feel of the non-woven sheet, and can be worn. Feels good.

Further, if the notch is formed by the previously opened cutting line, the notch cut into the wrinkles of the waste gather part becomes difficult to see during use, and the user such as a baby can see it. It can prevent mischief. When the diaper is rolled and fixed, it is possible to easily pull out the elastic body from the pre-opened cut portion by extending the wrinkles in the waste gather portion.

Further, if the cut portion is formed by a breakable perforation, the opening of the cut portion is made small during use, so that a user such as a baby cannot easily see the elastic body, It is possible to prevent mischief such as cutting the elastic body.

Further, if the cut portion is formed by a pre-punched opening hole, the elastic body can be easily pulled out from the cut portion without extending the wrinkles of the waist gather portion, which saves the labor of the mother or the like. Simple disposal is possible without hanging.

Further, when the covering sheet is 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 surface layer side of the elastic body is made to use the water-impermeable leakproof layer. It becomes possible to coat, and inexpensive manufacturing becomes possible.

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.

[0032]

【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, and the like. 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 can be reduced.

Further, when the leak-proof layer (3) is formed by coating a water-impermeable sheet with a non-woven sheet, the leak-proof effect of 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.

Further, as shown in FIG. 5, end flaps (4) composed of a surface layer (2) and a leakproof layer (3) are bulged at both ends in the length direction of the absorbent layer (1). In addition, three or more elastic bodies (5) such as rubber thread are interposed in parallel between the surface layer (2) and the leakproof layer (3) of the end flap (4), and the waist gather (6 ) Is formed.

Further, as shown in the shaded area in FIG. 6, the fixing range of the elastic body (5) is at least the outermost elastic body (5) among the elastic bodies (5) arranged in parallel. Fix all between the leak-proof layer (3) and the surface layer (2) using an adhesive such as hot melt. Further, among the elastic bodies (5) arranged in parallel, at least one elastic body (5) located in the middle portion is provided between the leakproof layer (3) and the surface layer (2) at both ends. Partly fixed to. Further, the both ends are not fixed and are made the non-fixed portion (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. As shown in FIGS. 5 and 6, if the notch (8) is formed by a pre-open cutting line, the notch (8) that has entered the wrinkles of the waist gather (6) during use. Can be difficult to see and can prevent the mischief of the user such as a baby. When the diaper is rolled and fixed, the elastic body (5) can be easily pulled out from the pre-opened notch (8) by extending the waist gathers (6) and expanding the wrinkles. .

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). Further, if the notch (8) is formed on both the ventral side and the dorsal side of the end flap (4) as shown in FIG. 5, even if the diaper body (10) is wound 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, as shown in FIG. 5, side flaps (11) composed of a surface layer (2) and a leakproof layer (3) are bulged on both sides of the absorbent layer (1), and the side flaps (11) are expanded. By connecting the abdominal side and the dorsal side of) so as to be rupturable via the connecting portion (12), the overall shape is formed into a pants type as shown in FIG.

Further, as shown in FIG. 5, an elastic body (15) such as rubber thread is interposed between the surface layer (2) of the side flap (11) and the leak preventive layer (3), so that Form leg gathers (13) around the thigh circumference.

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 three or more elastic bodies (5) interposed in parallel with the waist gathers (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, which 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 leg of the user, and can be removed hygienically.

Further, in the above, the diaper (14) was detached 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 breaking the connecting part (12). Is.

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

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

Further, the diaper (14) has a surface layer (2) side of the elastic body (5) made of a water-impermeable cover sheet (9) formed of a leakproof layer (3) as shown in FIG. To cover. Therefore, even when urine or the like is transmitted through the surface layer (2) and rises in the direction of waist gather (6) during wearing, the covering sheet (9) is prevented from permeating into the cut portion (8). ) Prevents urine from leaking from the notch (8).

Further, in the above embodiment, the cover sheet (9) was 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. 8, the covering sheet (9) is formed separately from the leak preventive layer (3), which is a water-impermeable film or a water-repellent non-woven fabric. Provided by. When formed in this way, it is not necessary to fold back the covering sheet (9), so that a simple cutting operation is possible when separating the diaper bodies (10) that are formed continuously in the lengthwise direction one by one. Become.

In the above embodiment, three elastic bodies (5) are interposed in parallel between the surface layer (2) and the leakproof layer (3), and the elastic body (5) is located in the middle of the parallel. The non-fixed part (7) was provided on one elastic body (5). However, in a different embodiment, as shown in FIG. 9, four elastic bodies (5) are interposed and the non-fixed portion (7) is formed on the two elastic bodies (5) in the middle part.

Further, as shown in FIG. 10, five elastic bodies (5) may be interposed, and the non-fixed portion (7) may be formed in one of the intermediate portions.

Further, five elastic bodies (5) may be interposed as shown in FIG. 11, and the non-fixed portion (7) may be formed in two intermediate portions. Further, five elastic bodies (5) may be interposed as shown in FIG. 12, and the non-fixed portion (7) may be formed in the three intermediate portions.

Further, in the above-mentioned embodiment, the notch portion (8) is formed by the previously opened cutting line. However, in another embodiment, the notch (8) is formed by a breakable perforation as shown in FIG. When the elastic body (5) is formed in this way, and the opening of the notch (8) is made small during use, the elastic body (5) becomes invisible to the user such as a baby and the elastic body (5) is not visible. It can prevent mischief such as cutting.

Further, in the above-mentioned embodiment, the notch portion (8) is formed by the perforable perforation. However, in different embodiments, the notch (8) can be formed by a pre-punched opening. In this case, the notch (8) may be formed in a rectangular shape as shown in FIG. 14 or may be formed in an elliptical shape as shown in FIG. If formed in this way, the elastic body (5) can be easily pulled out from the notch (8) without stretching the waist gathers (6), and simple disposal is possible without the labor of the mother or the like. Becomes

[0054]

[Effect of device]

 Since the present invention is configured as described above, in a pants-type disposable diaper, after use, it can be fixed in a rolled state, so there is no risk of internal excrement leaking out and hygiene. This allows for efficient and compact disposal.

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

Further, the elastic body provided with the non-fixed portion is located at an intermediate portion between the elastic bodies which are completely fixed from one end to the other end. Therefore, the elastic action of the waist gathers is performed by a fixed elastic body, so that the diaper can be prevented from being damaged and it can be fitted to the body.

Further, even when urine or the like is transmitted through the surface layer during wear and rises in the waist gather direction, the covering sheet prevents the cut sheet from penetrating into the cut portion side, and the cut sheet portion is prevented from penetrating the cut portion. It can prevent the leakage of urine.

[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 a plan view showing a stretched state of a diaper having a side flap provided with a cut portion, as viewed from the side of the leakproof layer.

FIG. 6 is a front view showing a waist gather of an embodiment in which one of the three elastic bodies is provided with a non-fixed portion.

FIG. 7 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. 8 is an enlarged cross-sectional view of a main part in which a cover sheet is formed separately from the leakproof layer.

FIG. 9 is a front view showing a waist gather of an embodiment in which two elastic bodies out of four elastic bodies are provided with non-fixed portions.

FIG. 10 is a front view showing a waist gather of an embodiment in which one elastic body out of five elastic bodies is provided with a non-fixed portion.

FIG. 11 is a front view showing a waist gather of an embodiment in which two elastic bodies out of five elastic bodies are provided with non-fixed portions.

FIG. 12 is a front view showing a waist gather of an embodiment in which three elastic bodies out of five elastic bodies are provided with non-fixed portions.

FIG. 13 is a front view showing a waist gather of an embodiment in which a cut portion is formed by perforations.

FIG. 14 is a front view showing a waist gather of an embodiment in which a cut portion is formed by a rectangular opening hole.

FIG. 15 is a front view showing a waist gather of an embodiment in which a cut portion is formed by an elliptical opening hole.

[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 15 Elastic body

Claims (11)

[Scope of utility model registration request] 1. A pant-type diaper body having a liquid-absorbent absorbent layer provided between the surface layer and the leakproof layer, wherein the surface layer of the end flap and the leakproof layer do not have an absorbent layer interposed therebetween. 3 or more elastic bodies are interposed in parallel with each other, and at least the outermost elastic body of the elastic bodies is fixed between the leak-proof layer and the surface layer, and at least one is located in the intermediate portion. The elastic body is fixed at both ends between the leak-proof layer and the surface layer, and the fixed gap is made a non-fixed portion, and a cut portion is formed in the leak-proof layer corresponding to the non-fixed portion, and at least the cut portion is formed. The surface layer side of the elastic body corresponding to the notch is covered with a water-impermeable or water-repellent coating sheet, and the elastic body can be pulled out from the notch, and the pulled out elastic body is attached to the outer circumference of the diaper. A pants-type disposable diaper that can be wound around and fixed. 2. The pants-type disposable diaper according to claim 1, wherein the cover sheet is formed separately from the leak-proof layer. 3. The underpants type disposable diaper according to claim 1, wherein the leak-proof layer is made of a water-impermeable sheet. 4. 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. 5. The underpants type disposable diaper according to claim 1, wherein the cut portion is formed by a cutting line which is opened in advance. 6. The pants-type disposable diaper according to claim 1, wherein the notch is formed by a perforation capable of breaking. 7. The pants-type disposable diaper according to claim 1, wherein the notch is formed by an opening hole punched out in advance. 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.