JPH11332910A - Post-processing tape of shorts type diaper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To clearly recognize the presence of a picking part in a shorts type diaper provided with a body opening part and a pair of left and right leg opening parts which are formed by joining both side edge parts of a front body part and a back body part. SOLUTION: In the shorts type diaper provided with the body opening part and a pair of the left and right leg opening parts which are formed by joining both side edge parts of the front body part and the back body part, this post- processing tape 40 is fixed to the back body part, a colored picking tab 44 is disposed on an adhesive material layer side face formed on the tape base material of a fixing part, the tip edge of the picking tab 44 is protruded in a longitudinal direction from the tip edge of the tape base material and at least the tape base material is transparent or translucent.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pants-type disposable diaper, and more particularly to a pants-type disposable diaper having a front opening and a rear opening, both sides of which are joined to each other, and having a trunk opening and a pair of left and right leg openings. .

[0002]

2. Description of the Related Art A standard type of a pants-type diaper of this type has both front and rear edges joined together, and has a trunk opening and a pair of left and right leg openings.

However, when the pants-type diaper is discarded, a so-called post-processing tape is provided to facilitate the disposal.

[0004] This post-treatment tape is generally provided at the time of rear view, the free end of the tape fastener is not used as a fastening portion used for disposal of the diaper, and the pants-type diaper is preliminarily folded and then rounded. The tape fastener is extended, and its fastening portion is located beyond the body opening and fastened to the front body so that the rolled state is not released.

[0005] A typical example is disclosed in Japanese Utility Model Publication No. Hei 8-10305.

[0006]

The post-treatment tape currently on the market has a three-layer structure. However, in the above-mentioned publication, the top end of the upper layer is folded inward, and the portion is formed as a non-adhesive knob so that it can be easily peeled off from the knob.

Folding the top end of the upper layer inward as described above to form a non-adhesive knob portion is certainly convenient in that it is easy to pick, but naturally the upper layer and the knob portion are of the same color. Therefore, it is difficult for a general consumer to recognize that there is a knob.

Therefore, a main object of the present invention is to make it possible to clearly recognize the presence of the knob.

[0009]

According to the first aspect of the present invention, which solves the above-mentioned problems, the both sides of the front and rear views are joined to form a trunk opening and a pair of left and right leg openings. In a pants-type diaper having, it is a narrow band-shaped tape fastener for fastening at the time of disposal of the diaper, which is fixed to an outer surface of at least one of the front view and the back view, and the length direction of the diaper is in the vertical direction. One end of the tape fastener is fixed to the outer surface, and is folded in the longitudinal direction and disposed in the one body part, and the tape fastener has a free end which is not a fastening part used when disposing the diaper, In the post-processing tape having a structure in which the fastening portion is located beyond the trunk opening and is fastened to the other body at the time of the extension, the adhesive formed on the tape base material of the fastening portion Colored on the side of the agent layer It has a tab, the leading edge of the tab is protruded in the length direction from the leading edge of the tape base, and at least a portion of the tape base covering the tab is transparent or translucent. A post-treatment tape for a pants-type diaper, characterized in that:

According to a second aspect of the present invention, in the tape fastener, the tape fastener is folded in a three-fold state including a lower layer fixed to the outer surface, an upper layer including the fastening portion, and an intermediate layer connecting these. 2. The post-treatment tape for a pants-type diaper according to claim 1, fixed to an outer surface, wherein the upper layer is transparent or translucent, and at least one of the intermediate layer and the lower layer is colored.

According to a third aspect of the present invention, there is provided the pants-type diaper post-treatment tape according to the second aspect, wherein the color is the same as or similar to the color of the outer surface.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in more detail with reference to the embodiments shown in the drawings.

(Example of Overall Structure) FIG. 1 shows an example P of a pants-type diaper.
FIG. 2 shows a pants-type diaper P in a product state.
FIG. 3 shows a side view thereof. That is, the disposable diaper P of the present embodiment includes the outer sheet 1 and the absorber element 10 fixed to the inner surface of the outer sheet 1 and extending in the front-rear direction with the crotch portion 4 as a center.

As can be seen from the relationship between FIG. 1, FIG. 2 and FIG. 3, by joining both side edges of the front view F and the rear view B, the trunk opening WO and the pair of left and right leg openings LO are formed. The leg openings LO, LO are provided with leg elastic members made of a plurality of elastic yarns G1,..., G2. The form of the joint 30 will be described later in detail. Reference numeral 20 denotes a waist elastic member for improving the fit of the waist, and reference numeral 21 denotes a waist elastic member for improving the fit of the waist and preventing urine from leaking back and forth. Note that FIG.
3 and FIG. 3, the waist elastic member 20 is not shown.

The outer sheet 1 is formed by laminating and fixing a plurality of nonwoven fabrics. Between the left waist side 2L of the front body F, the left leg circumference 3L of the front body F, the crotch part 4, and the front body F Are fixed so as to be continuous to the right waist side 2R of the front body F via the right leg circumference 3R of the front body F, and from the left waist side 5L of the back body F to the left of the back body F. 6L around the leg,
A plurality of elastic yarns G2 are connected to the crotch portion 4 and the right waist side portion 5R of the back body F via the right leg surrounding portion 6R of the back body F and so on.
Is fixed. As shown in FIGS. 2 and 3, the plurality of elastic yarns G1..., G2.
7 is formed. C indicates a central area around each leg.

The absorbent element 10 is made of, for example, a non-woven fabric or the like, and is made of a liquid-permeable top sheet 1 that directly touches the wearer's skin.
1 and a liquid-impervious back sheet 13 made of a plastic film such as polyethylene or a water-repellent non-woven fabric, and an absorbent 12 mainly composed of cotton-like pulp and optionally wrapped with absorbent paper. The sandwiching and the peripheral portion can be formed as one integrated by bonding with, for example, a hot melt adhesive.

In the disposable diaper P of this embodiment, the front body F
Are arranged on the left waist side 2 of the front body F.
L, the crotch part 4 and the right waist side part 2R of the front body F are fixed to the outer shape sheet 1 in a bundled state, and other parts, that is, the left leg surrounding part 3L of the front body and the right leg surrounding part 3R of the front body F Are fixed to the outer sheet 1 at intervals. Also, a plurality of elastic yarns G2 on the back body F side ...
Are the left waist side part 5L, the crotch part 4 and the back body F of the back body F
Are fixed to the outer shape sheet 1 in a bundled state at the respective portions of the right waist side portion 5R, and the other portions, that is, the left leg surrounding portion 6L of the rear body F and the right leg surrounding portion 6R of the rear body F are spaced from each other. It is opened and fixed to the outer sheet 1. In the illustrated example, a plurality of elastic yarns G1... Fixed to the front body F side and a plurality of elastic yarns G2 fixed to the back body F side
Are bundled together in the crotch part 4.

Therefore, in the disposable diaper 1 of this embodiment, the plurality of elastic yarns G1,..., G2,.
L, 3R, 6L, 6R are the widest, and crotch 4 and waist 2L, 2R, 5L, 5R are the narrowest.

By arranging the elastic yarns in this manner, the contraction force of the portions where the plurality of elastic yarns G1... G2 are bundled and fixed, that is, the crotch portion 4 and the waist side portions 2L, 2R, 5L, 5R. Weakens. As a result, the shrinkage of the absorber 3 in the width direction is reduced, and a tightening trace is less likely to be formed on the waist side of the adherend. In this example, the leg circumferences 3L, 3R, 6L, 6
In R, the plurality of elastic yarns G1..., G2... Are fixed to the outer sheet 1 with a space between each other, so that the contraction force of this portion is equal to the crotch portion 4 and the waist side portions 2L, 2R, 5L, 5R. Stronger than. Further, the leg circumferences 3L, 3R, 6L, 6R are in contact with the thigh of the adherend on a wider surface in the width direction. Therefore,
It has good fit to the base of the thigh, hardly shows any trace of tightening, and has excellent side leakage prevention effect.

On the other hand, as the elastic member or the elastic yarn, a natural rubber yarn or a synthetic rubber yarn having an appropriate thickness and cross-sectional shape can be used. The number of elastic yarns need not be three as in the illustrated example, as long as the number is plural.

In the above example, both the plurality of elastic yarns G1 fixed to the front body F side and the plurality of elastic yarns G2 fixed to the back body F side are bundled together in the crotch portion 4. But not limited to this. That is, a plurality of elastic yarns fixed to the front body F side and a plurality of elastic yarns fixed to the back body F side can be separately bundled at the crotch portion.

In this case, a plurality of elastic yarns G on the front body F side
3 and a plurality of elastic yarns G4 on the back body F side
, And each of the plurality of elastic yarns G
.., G4... Cross each other, or a plurality of elastic yarns G5 on the front body F side and a plurality of elastic yarns G6.
Further, the plurality of elastic yarns G5..., G6.

Further, in the above example, the plurality of elastic yarns in the crotch portion and the waist side portion are fixed to the outer shape sheet in a bundled state, and the plurality of elastic yarns in the leg surrounding portions are fixed to the outer shape sheet at intervals. But not limited to this.

That is, it is sufficient that at least the interval between the plurality of elastic yarns in the crotch portion is smaller than that in the leg circumference. Therefore, as long as such a condition is satisfied, for example, a plurality of elastic yarns in all parts may be arranged at intervals. Further, when the interval between the plurality of elastic yarns at both the crotch portion and the waist side portion is smaller than that around the leg, the mutual interval between the plurality of elastic yarns at the crotch portion and the plurality of elastic yarns at the waist side portion are provided. The mutual spacing of the yarns may be different.

(Form of post-processing taper of the present invention)
Now, as shown in FIG. 1 and FIG. 2, the post-processing tape 40 according to the present invention has its length direction along the front-back direction of the product near the trunk opening WO of the back body B, It is fixed to the outer surface of the product, in the embodiment, the back surface of the liquid-impermeable back sheet 13.

The post-processing tape 40 is a strip-shaped tape fastener for fastening the diaper at the time of disposal, and includes a lower layer 41 fixed to the outer surface, an upper layer 43 including a fastening portion, and an intermediate layer 42 connecting these. The sheet is folded into a three-fold state and fixed to the back surface of the liquid-impermeable back sheet 13.

The upper layer 43, the intermediate layer 42 and the lower layer 41
The pressure-sensitive adhesive layers 43A, 42A and 4
1A, and their connecting portions are the pressure-sensitive adhesive layers 43A,
The sheets are connected to each other via 42A to form a continuous sheet. The pressure-sensitive adhesive layer 41A of the lower layer 41 is adhered to the outer surface of the product to form a fixed portion.

In the post-treatment tape 40 of the present invention, the pressure-sensitive adhesive layer 43A of the upper layer 43 functions as a fastening portion. That is, as shown in FIG. 5B and FIG. 6, the lower layer 41 is used as a fixed portion, and the upper layer 43 and the intermediate layer 42 except for the fixed portion are used as free ends of the tape fastener. When the diaper is disposed, the fastening portion is located beyond the body opening WO and is fastened to the front body F when the diaper is extended.

The colored tab 44 is fixed to the tape base of the upper layer 43 by using a hot-melt adhesive or an adhesive 43A as shown in FIG. ) It is fixed by protruding in the length direction from the tip edge.

On the other hand, in the embodiment, at least a portion of the tape base material covering the knob tab 44 is entirely transparent or translucent, so that the presence of the knob tab 44 can be easily recognized through the upper layer 43. It is like that.

Therefore, a transparent adhesive layer is used.

In this embodiment, the presence of the colored, for example, blue, tab 43 is clearly visible through the upper layer 43, so that the user (consumer) can grasp the tab 44 while grasping it without hesitation. As shown in FIG. 5 (B), an operation is performed in which the free end is positioned beyond the trunk opening WO and fastened to the front body F. As a result, the post-processing tape 40 that is provided on purpose is effectively used, and the commercial value is increased.

On the other hand, the upper layer 43 has at least the tab 4
The four portions need only be transparent or translucent (preferably transparent) and need not be entirely.

On the other hand, when the entire upper layer 43 is transparent or translucent, at least one of the intermediate layer and the lower layer can be colored. In this case, if the coloring is the same or similar to the color of the outer surface of the product, the entire post-processing tape 40 will not be conspicuously apparent, and the design of the product will be unified.

[0035]

As described above, according to the present invention, since the existence of the knob portion can be clearly recognized, advantages such as an increase in commercial value are brought.

[Brief description of the drawings]

FIG. 1 is a development view of a pants-type diaper according to the present invention.

FIG. 2 is a front view of the pants-type diaper according to the present invention when not worn.

FIG. 3 is a side view thereof.

FIG. 4 is a perspective view from the rear side of the pants-type diaper according to the present invention.

FIG. 5 is a perspective view of the post-treatment tape of the present invention, and FIG.
Indicates a folded state and (B) a peeling start state.

FIGS. 6A and 6B are perspective views of a use form of the post-treatment tape of the present invention, wherein FIG. 6A shows a peeling start state and FIG.

[Explanation of symbols]

P: pants-type diaper, 1: outer sheet, 2L, 2R: waist side of front body F, 3L, 3R: leg circumference of front body F, 4
... crotch, 5L, 5R ... waist side of back body F, 6L, 6R
... leg around the back body F, 7 ... gather, 10 ... absorber,
11 liquid-permeable top sheet, 12 ... absorbent, 13 liquid-impermeable back sheet, G1 ... front body F side elastic thread, G2 ... rear body F side elastic thread, 20 ... waist elastic member, 21 ... waist circumference Elastic member, 30 joint, 40 post-processing tape, 41
Lower layer, 42: middle layer, 43: upper layer, 44: knob tab.

Claims (3)

[Claims] 1. A pants-type diaper having a front opening and a rear opening which are joined at both side edges and having a trunk opening and a pair of left and right leg openings, wherein at least one of the front end and the rear end Is a narrow band-shaped tape fastener for fastening at the time of disposal of the diaper, one end of which is fixed to the outer surface with its length direction facing up and down of the diaper, and folded in the length direction. The tape fastener is disposed in the one body part, and the free end of the tape fastener serves as a fastening part used when the diaper is discarded, and the fastening part is located beyond the trunk opening when the tape fastener is extended. In the post-processing tape having a structure to be fastened to the other body, a colored knob tab is provided on the side of the adhesive layer formed on the tape base material of the fastening portion, and the leading edge of the knob tab is Leading edge of tape base Ri protrudes lengthwise, portion covering the knob tabs of at least the tape base material is transparent or post tape pant diaper, characterized in that it is translucent. 2. The tape fastener according to claim 1, wherein the tape fastener is folded in a three-fold state including a lower layer fixed to the outer surface, an upper layer including the fastening portion, and an intermediate layer connecting these, and is fixed to the outer surface. The post-treatment tape for a pants-type diaper according to claim 1, wherein the upper layer is transparent or translucent, and at least one of the intermediate layer and the lower layer is colored. 3. The post-treatment tape for a pants-type diaper according to claim 2, wherein the color is the same as or similar to the color of the outer surface.