JP3305208B2 - Disposable body fluid-absorbing wearing article - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a disposable body fluid-absorbing wearing article such as a disposable diaper or a sanitary napkin.
More particularly, the present invention relates to the article provided with a disposal means for discarding it after being rounded or folded.

[0002]

2. Description of the Related Art In a disposable diaper disclosed in Japanese Utility Model Publication No. 58-22908, a single piece of adhesive tape attached to the outer surface of a back sheet is used as a disposal means for keeping a dirty diaper in a rolled state. can do.
In the adhesive tape fastener used for disposable diapers disclosed in U.S. Pat. No. 5,182,156, the longitudinal direction is bent in a Z-shape. One end of the tape fastener is fixed to the outer surface of the diaper, and the other end has an adhesive area formed on the inner surface.

[0003]

Problems to be Solved by the Invention
In the disposable diaper disclosed in Japanese Patent Publication No. 908, there is a considerable limitation in increasing the length of the adhesive tape piece. If the tape is too long, there is a problem in that the tape becomes an obstacle when the diaper is worn, or becomes a target of mischief for an infant wearing the diaper.

The tape fastener described in the above-mentioned US Pat. No. 5,182,156 is obtained by folding a long tape fastener so that the tape fastener can be shortened and used, and this fastener is used in place of the adhesive tape piece. Then, the above problem can be solved. However, in the case of this tape fastener, the mode of applying a pressure-sensitive adhesive or a release agent necessary to hold the tape in a Z-shape tends to be complicated, and the problem that the manufacturing cost of the tape fastener increases. is there.

Accordingly, the present invention provides a disposable body fluid-absorbing wear provided with an adhesive tape that is not obstructive when the article is worn, can be lengthened when the article is discarded, and has a relatively simple structure. The task is to provide goods.

[0006]

In order to solve the above-mentioned problems, the present invention is based on the premise that a liquid-absorbing core is interposed between a liquid-permeable top sheet and a liquid-impermeable back sheet. A disposable body fluid-absorbing wearing article having a disposal means on an outer surface of the backsheet of the absorbent wearing article, which can keep the article in a required shape when the article is discarded.

On this assumption, the present invention is characterized in that the disposal means comprises a first tape portion and a second tape portion which are adjacent to each other and extend in parallel, and wherein the first tape portion is the first tape portion. A first end portion, a second end portion opposite to the first end portion, and a first intermediate portion interposed between the first and second end portions, wherein the second tape portion is substantially adjacent to the first end portion; A third end in position and a fourth end adjacent to the second end, wherein the first tape portion is secured to the outer surface of the back sheet at the inner surface of the first end, and The remaining portion including the end portion is a peelable portion, and the second end portion is connected to a fourth end portion of the adjacent second tape portion, and the second tape portion is a tip of the third end portion. The inner and outer surfaces of the part have a non-adhesive holding area, and the remaining part of the inner surface excluding the holding area Without even that they are releasably adhered to the back sheet outer surface part which is formed in the adhesive area, in.

In this invention, the term "fixed" means that the parts that are in contact with each other are in a state that they cannot be substantially separated. In addition, the term “adhesion” refers to a state in which two objects are in contact with each other via an adhesive or a pressure-sensitive adhesive, and includes a state in which peeling is possible and a state in which substantially no peeling is possible.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of a disposable body fluid-absorbing wearing article according to the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a partially broken perspective view of a disposable pants-type diaper 1 which is an example of a disposable body fluid-absorbing wearing article when viewed from the back (back) side. The diaper 1 comprises a liquid-pervious topsheet 2, a liquid-impermeable back sheet 3 is constituted by a liquid-absorbent core 4 interposed between these two sheets 2, the front waist region (front body) 5 And the rear waist area 6
There is a crotch region 7 located between these two regions 5 and 6. The front and rear waist regions 5 and 6 overlap with each other on the left and right sides of the diaper 1 in a palm-shape manner, and are welded at a large number of welding portions 8 intermittently arranged in the vertical direction, thereby forming the waist opening 1.
1 and left and right leg openings 12 are formed. At the peripheral edges of the waist opening 11 and the leg opening 12, elastic members 13, 14 extending in the circumferential direction thereof are adhered to at least one inner surface of the front and back sheets 2, 3 in an extended state. At the center in the left-right direction of the rear waistline area 6, a disposal means 16 is disposed. This processing means 16 is used for rolling or folding when the dirty diaper 1 is discarded.

FIGS. 2 and 3 are lines II-II and III-II in FIG.
FIG. 3 is a cross-sectional view taken along a line III, showing a cross-sectional shape of a processing unit 16. In FIG. 1-3, the processing means 16 includes a release sheet portion 19 and an adhesive tape portion 20 (see FIG. 1). The inner surface of the release sheet portion 19 is fixed to the back sheet 3 via a hot melt adhesive 19A,
A release agent (not shown) is applied to the outer surface. The adhesive tape portion 20 is formed of a sheet material having substantially the same size as the release sheet portion 19, and is formed adjacent to each other and formed in parallel by forming a slit 25 extending from the top to the bottom at the center in the left-right direction. And a first tape portion 21 and a second tape portion 22.

The first tape portion 21 has an inner surface at an upper end portion (first end portion) 26 fixed to an outer surface of the release sheet portion 19 or the outer surface of the back sheet 3 via a hot melt adhesive 27. The lower end (second end) 28 of the first tape portion 21 is
The lower end portion (fourth end portion) 37 of the second tape portion 22 adjacent thereto is connected to the lower end portion (fourth end portion) 37 (see FIG. 1), and the inner surface of the lower end portion 28 can be peeled off to the release sheet portion 19 via the first adhesive 29. Glued. Upper and lower ends 2 of the first tape portion 21
The intermediate portion 30 interposed between the first and second adhesive portions 29 and 28 is separated from the release sheet portion 19 without the application of the adhesive as shown in the drawing, and when the first adhesive 29 is similar to the lower end portion 28. In some cases, it is applied and is peelably adhered to the sheet portion 19.

The second tape portion 22 is a first tape portion 2
The upper and lower end portions (third end portions) 31 adjacent to or near the upper end portion 26 of the first holding portion 3 have a non-adhesive inner and outer surface.
2, the second adhesive 33 on the inner surface adjacent to the holding area 32
Is applied, and the adhesive area 34 is peelably adhered to the release sheet portion 19. The lower end (fourth end) 37 of the second tape portion 22 is separated from the release sheet portion 19 via the first adhesive 29 applied to the inner surface.
Is releasably adhered. The intermediate portion 35 interposed between the upper and lower end portions 31 and 37 is separated from the release sheet portion 19 without applying an adhesive as shown in the drawing,
In some cases, the first or second adhesive 29 or 33 is applied and is releasably adhered to the sheet portion 19.

In the diaper 1 thus configured, the second
When the holding portion 32 of the tape portion 22 is held and the first and second tape portions 21 and 22 are peeled off from the release sheet portion 19, the upper end portion 26 of the first tape portion 21 is removed.
The entire remaining adhesive tape portion 20 can be extended long above the diaper 1 (to the left in FIG. 2) as shown by phantom lines in FIGS.

The elongated adhesive tape portion 20 is a
The diaper 1 is adhered so as not to spread.

In such a diaper 1, a plastic film or a non-woven fabric is used as a tape base material of the adhesive tape portion 20. The same adhesive can be used for the first adhesive 29 and the second adhesive 33. However, if necessary, a second adhesive 33 having a stronger adhesive force than the first adhesive 29 can be used. The first adhesive 29 is
It is preferable that the adhesive strength is low so as not to hinder the elongation of the tape section 20, and its use can be omitted. The release sheet portion 19 may be made of a plastic film or paper coated with a release agent on one side, but instead of using such a sheet portion 19, a required portion of the outer surface of the back sheet 3 may be used. A release agent may be applied to the surface. 2nd tape part 2
It is preferable that the second holding area 32 slightly extends from the release sheet portion 19 in the longitudinal direction of the tape. Also,
In addition to the extension, it is preferable that the extension extends slightly upward from the upper end 26 of the first tape portion 21. The pinching area 32 extending in such a manner is easy to identify and pinch from the surrounding area.

FIG . 4 is a perspective view showing one embodiment of the disposal means 16 for carrying out the present invention. The processing means 16 includes the first tape unit 2 on the left and right sides of the second tape unit 22.
1 is formed, and the lower end portion 28 of each of the first tape portions 21 is formed.
Is connected to the lower end 37 of the second tape section 22. Each of the first and second tape portions 21 and 22 is attached to the outer surface of the diaper 1 as in FIG. First and second tape units 2
The state when 1, 22 is extended is indicated by a virtual line.

FIG . 5 is also a perspective view showing one embodiment of the disposal processing means 16. This means 16 is constituted by a pair of left and right disposal processing means 16A and 16B which are symmetrically arranged and extend in opposite directions. Each of the processing means 16A and 16B is provided with a lateral slit 42 in the sheet piece 41.
−47 and a longitudinal slit 48, and a pair of means 16 A and 16 B are integrally held by a peripheral portion 49 of the sheet piece 41. The extended state of each means 16A, 16B is indicated by a virtual line. These means 16A and 16B can be relatively easily attached to the diaper 1 as an integral processing means 16. However, when such a mounting method is not required, the disposal means 16 of FIG . 4 may be arranged as shown in FIG.

In the present invention, there is no particular restriction on the part where the processing means 16 is to be attached and the direction in which the processing means 16 is to be extended. For example, if the article according to the present invention is a diaper 1, the part and the direction can be selected according to how the diaper 1 is rounded and folded.

[0020]

In the article according to the present invention, the adhesive tape portions for disposal are disposed adjacent to and parallel to each other.
It is composed of two tape parts. Since the first and second tape portions are connected to each other at one end thereof, it is possible to extend the adhesive tape portion for a long time, and the configuration of the adhesive tape portion required for extension is extremely simple. is there.

[Brief description of the drawings]

FIG. 1 is a partially broken perspective view of a disposable diaper.

FIG. 2 is a partial sectional view taken along line II-II of FIG.

FIG. 3 is a partial sectional view taken along line III-III of FIG. 1;

FIG. 4 is a perspective view showing an example of a disposal unit.

FIG. 5 is a perspective view showing another example of the disposal means.

[Explanation of symbols]

 1Disposable pants-type diapers (wear for absorbing body fluids)  2Liquid permeableTop sheet 3ImperviousBack sheet 4Liquid absorptionCore 16 Waste treatment means19 Release part 20 Adhesive tape  21 first tape portion 22 second tape portion 26Upper end (first end)  28Lower end (second end) 29 1st adhesive (adhesive area)  30Middle part (first middle part)  31Upper end (third end) 32 Holding area33 Second adhesive (adhesive area)  34Adhesive area  35Middle part (second middle part)  37Lower end (fourth end)

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A61F 5/44 A61F 13/15-13/84

Claims (3)

(57) [Claims] 1. A body fluid absorbing wear article having a liquid-absorbent core interposed between a liquid-permeable top sheet and a liquid-impermeable back sheet; A disposable body fluid-absorbing wearing article having disposal processing means capable of being held in the first tape portion and the second tape portion which are adjacent to each other and extend in parallel. The first tape portion has a first end portion, a second end portion opposite to the first end portion, and a first intermediate portion interposed between the first and second end portions. A third end located substantially adjacent to the first end, a fourth end adjacent to the second end, and a second intermediate portion interposed between the third and fourth ends; The first tape portion is fixed to the outer surface of the back sheet at the inner surface of the first end, and A remaining part is peelable portion including an end portion, leads to the fourth end portion of said second tape portion in which the second end is adjacent said second tape portion, the third end portion The inner and outer surfaces have a non-adhesive pinching area at the tip portion, and the adhesive area formed on at least a part of the inner surface of the remaining portion excluding the pinching area is releasably adhered to the outer surface of the back sheet. The article. 2. The article according to claim 1, wherein said disposal means comprises said second tape portion and a pair of said first tape portions formed on both right and left sides of said second tape portion. . 3. The article according to claim 1, further comprising a pair of said disposal means disposed symmetrically.