JP4548992B2 - Pants-type disposable wearing articles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pants-type disposable wearing article (so-called disposable diaper), and more particularly, to a pants-type disposable wearing article that is easy not only to be attached / detached by the wearer itself but also to be easily attached / detached by a caregiver.
[0002]
[Prior art]
The pants-type disposable wearing article comprises a front waistline region and a back waistline region composed of a liquid-permeable top sheet and a liquid-impermeable back sheet, and a crotch region that connects these front and back waist regions, and The crotch region includes an absorbent member composed of a liquid-permeable top sheet, a liquid-impermeable back sheet, and a water-absorbent core interposed between the two sheets, and is formed in the front-rear waist region. Various types of pants-type disposable wearing articles having a surrounding opening, and a pair of leg-hole opening formed by the front and rear waist area and the crotch area are provided.
[0003]
[Problems to be solved by the invention]
However, in the conventional pants-type disposable wearing article, since the joining lines on the pattern joining the front and rear waistline regions extend in parallel in the longitudinal direction of the wearing article on both sides, The end-to-end dimension (that is, the diameter L1 of the waist circumference passing through the upper end of the waistline opening, hereinafter referred to as “the waistline upper-end opening circle diameter”) and the dimension between the lower ends of the joint line (ie, the upper end of the leg-hole opening The diameter L2 of the circumference of the waist that passes through (hereinafter referred to as the “upper end circle diameter of the circumference of the leg circumference”) is substantially the same. The apparent size is such that the waist circumference upper end opening circle diameter (L1) is smaller than the leg circumference opening upper end circle diameter (L2). Even when the wearer attaches and detaches himself / herself, For example persons were those time-consuming to be detachable case attached to and detached.
[0004]
Therefore, as disclosed in Japanese Utility Model Laid-Open No. 2-69906, the present applicant folds the front and rear waist regions so that they overlap each other, and fuses both sides of the front and back waist regions to form a linear shape. Join, thereby forming the opening around the legs and the waist opening, and providing a gripping part in the outward direction of the joining line, and picking this gripping part to tear and open the joining line of the front and back body Provided a disposable pants that could be easily removed.
With this disposable pant, it has become possible to easily remove it, but the time and effort required to put it on is the same as the conventional one.
[0005]
Therefore, it is conceivable to use a wear product with a size larger than the wearer's body shape, which improves the difficulty of wearing due to catching by gathering the waist opening at the time of wearing, but at the time of wearing use A feeling of fit to the body is lost, and anxiety is given to the wearer.
In view of the above circumstances, an object of the present invention is to provide a pants-type disposable wearing article that can be easily attached and detached by a caregiver as well as when the user attaches and detaches.
[0006]
[Means for Solving the Problems]
As a result of intensive studies to solve the above problems, the present inventor has formed a waist upper end opening circle diameter larger than the leg opening upper end circle diameter in a pants-type disposable wearing article, It has been found that the above-mentioned problems can be solved by providing fastening means for reducing the diameter of the circumference upper end opening, and the present invention has been achieved.
That is, the present invention comprises a front waistline region and a back waistline region, and a crotch region connecting these front and back waistline regions, and an insulative member is provided in the crotch region, A pants-type disposable wearing article having a waist opening formed and a pair of leg openings formed by the front and rear waist areas and the crotch area, the upper end side of the front and rear waist openings The diameter of the waist circumference circle is formed so that the diameter of the waist circumference circle is larger than the diameter of the waist circumference circle passing through the upper ends of the pair of left and right leg circumference openings. It is a pants-type disposable wearing article characterized in that a fastening means for reducing the size is provided at either one of the end portions in the waist circumference direction and can be fastened to any one of the front and back waist circumference regions .
In that case, the diameter of the upper circumference side waist circle of the waist circumference opening is 1.1 to 3.0 times the diameter of the waist circumference circle passing through the upper ends of the pair of left and right leg circumference openings. It is a type disposable wearing article.
[0007]
Further, the elastic member provided at the upper end of the waistline is extended to the vicinity of the fastening means located in the vicinity of the end of the waistline direction, or below the elastic member and above the upper end of the leg opening. A waistline elastic member extending in the waistline direction is disposed in at least one of the front and back waistline regions, and fastening means is interlocked with these elastic members to contribute to the fit of the wearing article. In this case, the fastening member can be positioned on the extension line of the elastic member, that is, on the side edge of the waistline, below the waistline upper end opening, thereby further improving the fit. Furthermore, it is the underpants type disposable wearing article characterized by the waist circumference upper-end opening part circular diameter being 100-650 mm.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows an embodiment of a pants-type disposable wearing article according to the present invention. The wearing article (1) includes a front waistline region (3) and a back waistline region (4) of a worn article body (2). ) And a crotch region connected to them, and both side edge portions (5) are joined together to form a pants shape.
At that time, by providing extending portions (17) on both sides of the front and rear waist area, the waist circumference upper end opening circle diameter (L1) is made larger than the leg circumference opening upper edge circle diameter (L2). Yes. The extension portion (17) has a triangular shape in FIG. 1, but the shape may be a tapered horizontal L shape, but a triangular shape is preferable in terms of ease of attachment and detachment.
The wearing article main body (2) has a configuration in which an absorbent member (8) is disposed between a liquid-permeable top sheet (6) and a liquid-impermeable back sheet (7). The top sheet (6) and the back sheet (7) are joined to each other by a seal, a hot melt adhesive or the like. The absorbent member (8) has a configuration in which hydrophilic fibers and a superabsorbent polymer are wrapped in a water-permeable tissue or the like.
[0009]
The waist part (9) of the wearing article (1) has an elastic body (11) extending in the waist direction in the opening part (10) and / or the upper part of the leg opening part below the opening part. Is provided. The leg opening (12) is also provided with an elastic body (13) extending in the leg direction. These elastic bodies (11) and (13) are provided between the top sheet (6) and the back sheet (7), and either the top sheet (6) or the back sheet (7) or both. It is joined in the stretched state.
Therefore, in a normal state, the elastic body contracts to form a bowl-shaped gather.
[0010]
The top sheet (6) is composed of a liquid-permeable non-woven fabric or woven fabric, a plastic film having apertures, a laminate thereof, and the like, and the back sheet (7) is a liquid-impermeable polyolefin system. Or a non-woven fabric of hydrophobic fibers or a laminate thereof.
As the elastic bodies (11) and (13), an elastic tape-like material made of natural rubber, synthetic rubber (urethane system), thermoplastic synthetic rubber (olefin system, styrene system, nitrile system, etc.) is used. A hot melt adhesive or the like is used for joining the elastic bodies (11) and (13) to the top sheet (6) or the back sheet (7).
[0011]
Fastening portions (14) serving as fastening means that can fasten to each other are provided in the vicinity of both side edges (5) of the waist opening (10). As the fastening part (14), a usual fastening tool for clothes such as an adhesive tape, a mechanical fastener, a button, and a buckle can be used.
Moreover, it does not specifically limit as a usage form of a fastening tool, but the main body fastening part (15) which has arrange | positioned the fastening part of a wearing article on the front-back trunk periphery area of a wearing article main body (refer FIG. 3). ) Or after fastening one of the fastening parts to the fastening part of the main body and then fastening the other fastening part to the fastening position, the fastening position can be easily confirmed. Further, it is preferable because the fastening position does not move during use.
[0012]
Moreover, in a wearing article (1), it is preferable that the leg periphery opening part upper end circular diameter (L2) at the time of contraction is the range of 100-650 mm. When the leg opening upper end circle diameter L2 is 100 mm or less, it is difficult for even an infant to wear, and when it is 650 mm or more, it is difficult to fit the body even when worn by an adult. Further, the waist upper end opening circle diameter (L1) at the time of contraction is desirably 1.1 to 3.0 times the leg opening upper circle diameter (L2). When the circle upper end opening circle diameter (L1) is less than 1.1 times the leg opening upper circle diameter (L2), the waist upper end opening (10) is larger than the conventional technique. Since it does not change so much, it is difficult to affect the ease of wearing. Moreover, when exceeding 3.0 times, when making it stop after wearing, an extension part (17) is too large and it is hard to stop.
[0013]
The extension part (17) of the present invention can be provided on either one or both of the side edges of the worn article body (2). This is preferable.
FIG. 3 is an embodiment in which an extension portion (17) is provided only in either one of both side edge portions (5) of the wearing article main body (2). In this embodiment, the circumference of the extension portion (17) The fastening part 14 exists in the vicinity of the side edge part of the upper end opening, and the fastening part is fastened to the body fastening part (15). FIG. 4 shows a state in which the fastening portion is fastened after the wearing article (1) shown in FIG. 3 is attached. According to this embodiment, it is possible to fix with only one hand.
[0014]
Moreover, even if either the front waistline area (3) or the back waistline area (4) of the wearing article main body (2) is extended with a wider width than the other, the waistline upper end opening may be enlarged. good. In this case, the extended lower portion is folded like a bowl when mounted. FIG. 6 shows a mounted state when the front waistline region (3) is extended with a larger width than the rear waistline region (4). According to this embodiment, when the wearing article (1) is mounted, the waist opening is expanded in the front-rear direction of the wearer, so that it is easy to put a foot into the wearing article 1.
[0015]
FIG. 5 shows that a region (16) having rigidity different from that of the other portion is formed in a part of the pants-type disposable wearing article shown in FIG. The embodiment in which the elastic body (11) extending in the circumference direction of the trunk is provided in the portion is shown. Here, as the region (16) having different rigidity, a sheet having a different rigidity from other portions is bonded, or a heat seal portion is formed when the top sheet 6 and the back sheet 7 are joined together. Examples include the case where a sonic seal portion or a hot melt adhesive is present.
According to this embodiment, when the extension portion (17) is bent and fixed, the region (16) having different rigidity can be bent as a base point, and the bending during the fixing operation can be easily performed. It can be done at the exact location.
[0016]
【The invention's effect】
According to the pants-type disposable wearing article of the present invention, the following effects can be expected.
-The opening can be greatly expanded with a weak force, and it is possible to easily attach and detach the pants-type disposable wearing article.
-When putting on a pants-type disposable wearing article, the position where the foot is put becomes easy to see, and the wearer and caregiver can easily attach and detach.
-The resistance to the body when pulling up the pants-type disposable wearing article can be reduced, and it can be attached and detached smoothly.
[Brief description of the drawings]
FIG. 1 is a schematic front view of an embodiment of a pants-type disposable wearing article of the present invention.
FIG. 2 is a state diagram when the fastening parts of the pants-type disposable wearing article shown in FIG. 1 of the present invention are joined together.
FIG. 3 is a schematic front view of an embodiment in which an extended portion is provided on one of the pants-type disposable wearing articles of the present invention.
FIG. 4 is a state diagram when a fastening portion of the pants-type disposable wearing article shown in FIG. 3 of the present invention is joined.
FIG. 5 is a schematic front view of an embodiment in which regions having different rigidity are provided in the pants-type disposable wearing article of the present invention.
FIG. 6 is a schematic front view of the embodiment of the pants-type disposable wearing article according to the present invention when the front waist area is enlarged.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Wearing article 2 Wearing article main body 3 Front waist circumference area 4 Rear waist circumference area 5 Both-side edge part 6 Top sheet 7 Back sheet 8 Absorbing member 9 trunk upper end part 10 trunk upper end opening part 11 elastic body 12 leg circumference opening part 13 Elastic body 14 Fastening portion 15 Main body fastening portion 16 Region of different rigidity 17 Extension portion L1 Diameter around upper waist opening L2 Diameter around upper leg opening around leg

Claims (5)

A front waistline region and a back waistline region, and a crotch region connecting these front and back waistline regions, and an insulative member in the crotch region, the waistline opening formed in the front and back waistline region A pants-shaped disposable wearing article having a pair of leg-hole openings formed in the front-rear waist area and the crotch area, wherein the diameter of the upper-end waist circumference of the front-rear waist opening is Fastening means formed so as to be larger than the diameter of the waist circumference circle passing through the upper ends of the pair of left and right leg openings, and reducing the diameter of the waist circumference circle in the worn state in the vicinity of the waist circumference direction end. A pants-type disposable wearing article, characterized in that can be attached to either one of the end portions in the waistline direction and can be fastened to any one of the front and back waistline regions .   2. The diameter of the upper circumference of the waist circumference of the waist circumference opening is 1.1 to 3.0 times the diameter of the circumference of the waist that passes through the upper ends of the pair of left and right leg circumference openings. Pants-type disposable wearing articles. Wherein placing the elastic member having elastic stretchability in waist opening, said fastening means to claim 1 or 2, characterized in that arranged to work in elastic stretchability of said waist opening The pants-type disposable wearing article as described. An elastic member is disposed in the waist opening, and is elastic below the elastic member and above the upper end of the leg opening and extends in at least one of the front and rear waist areas in the waist direction. the member is arranged, pants-type disposable wearing article according to claim 1 or 2, characterized in that arranged to interlock the fastening means to the expansion and contraction elasticity of the barrel around the elastic member. The diameter of the waist circle, pants-type disposable wearing article according to any one of claims 1 to 4, characterized in that a 100～650Mm.

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