KR102317465B1 - Disposable absorbent article - Google Patents

Abstract

The disposable absorbent article includes a top sheet, a first waist region corresponding to the front of the body, a second waist region corresponding to the rear of the body, and a crotch positioned between the first waist region and the second waist region. a back sheet having a region, an absorbent body disposed between the top sheet and the back sheet, the first waist region of the back sheet and the crotch region adjacent to the first waist region of the back sheet; 1 waist panel; a second waist panel coupled to the second waist region of the back sheet and having a free end not coupled to the crotch region of the back sheet; and a fastening device made of a material as a hook fastener and disposed in a region where the free end of the second waist panel and the crotch region of the back sheet overlap.

Description

Disposable absorbent article {DISPOSABLE ABSORBENT ARTICLE}

The present invention relates to a disposable absorbent article, and more particularly, to a disposable absorbent article having a fastening device for easy disposal after use.

Disposable absorbent articles are widely known in the field of personal hygiene as articles for absorbing and retaining body fluids discharged from the wearer's body. Such an absorbent article includes a top sheet, a back sheet, and an absorber. The top sheet is disposed to face the wearer's body side, and passes the body fluid discharged from the body side to the absorber. The back sheet is disposed to face the wearer's clothes, and prevents the body fluid held in the absorbent body from leaking into the wearer's clothes. The absorbent body is disposed between the top sheet and the back sheet to absorb and retain the body fluid passing through the top sheet.

Among disposable absorbent articles, a panty-type absorbent article configured to be worn conveniently and to retain more body fluid is being used as a pad for incontinence. Incontinence pad according to a conventional example, one end is fixed to the back sheet and the other end has a tape-type attachment means configured to be attached and detachable from the back sheet or the one end. The tape-type attachment means generally has a dark color so that the wearer can easily find the position when disposing of the incontinence pad.

Korean Patent Publication No. 10-1998-0703252

The wearer of the incontinence pad tends to be reluctant to inform others that he or she is a user of the incontinence pad, but there is a problem in that the dark-colored tape-type attachment means is exposed to the outside of the underwear. In addition, foreign substances are easily attached to the tape-type attachment means, and the tape-type attachment means to which foreign materials are attached has a problem in that the adhesive force is lowered and the attachment is not re-attached. The tape-type request means has a problem in that it may contaminate or damage the wearer's clothes.

The present invention is to solve the above problems, and an object of the present invention is to have a disposable absorbent article having a fastening device that is not exposed to the outside of the absorbent article (cloth facing), can be reattached, and can be easily disposed of after use. is to provide

An absorbent article according to an embodiment of the present invention includes a top sheet, a first waist region corresponding to the front of the body, a second waist region corresponding to the rear of the body, the first waist region and the second waist region a back sheet having a crotch region positioned between the regions; an absorbent body disposed between the top sheet and the back sheet; and the first waist region of the back sheet and the first waist region of the back sheet adjacent to the back sheet a first waist panel coupled to the crotch region; a second waist panel coupled to the second waist region of the back sheet and having a free end not coupled to the crotch region of the back sheet; and a fastening device comprising a second waist panel and a detachable hook fastener, wherein the fastening device is disposed in a region where the free end of the second waist panel and the crotch region of the back sheet overlap.

In one embodiment, the first waist panel includes a first elastic region and a first non-stretch region, and the first non-stretch region of the first waist panel comprises the second waist region and the first non-stretch region of the backsheet. It may be coupled to the crotch region adjacent to the first waist region of the back sheet.

In one embodiment, the second waist panel includes a second elastic region and a second non-stretch region, wherein the second non-stretch region of the second waist panel is coupled to the second waist region of the backsheet can be

In one embodiment, the free end may be formed of the second non-stretchable region of the second waist panel.

In an embodiment, the first waist panel may have a larger planar area than the first waist area of the back sheet, and the second waist panel may have a larger plan area than the second waist area of the back sheet. have.

In one embodiment, the disposable absorbent article may further include a surge layer disposed between the top sheet and the absorber.

In one embodiment, the disposable absorbent article may further include a first elastic member disposed between the top sheet and the back sheet and disposed at both ends along the longitudinal direction of the back sheet.

In one embodiment, the disposable absorbent article further includes a second elastic member disposed along an end portion adjacent the crotch region of the second waist panel.

According to the absorbent article according to an embodiment of the present invention, the second waist panel has a free end at a portion overlapping with the crotch region of the back sheet, and a hook fastener fastening device is provided inside the second waist panel to absorb, It is difficult to be exposed to the outside of the article, can be re-attached, and it is easy to discard after use.

1 is an exploded perspective view of a disposable absorbent article according to an embodiment of the present invention when viewed from a clothing-facing surface.
FIG. 2 is an exploded view showing the clothing-facing surface of the disposable absorbent article of FIG. 1 .
FIG. 3 is a cross-sectional view taken along line 3-3 of FIG. 2 .
4 is a perspective view showing a second waist panel of the disposable absorbent article of FIG. 1 .
5 is a schematic perspective view illustrating a process of disposing of the disposable absorbent article of FIG. 1 .
6 is a schematic perspective view illustrating a process of disposing of the disposable absorbent article of FIG. 1 .
7 is a schematic perspective view illustrating a process of disposing of the disposable absorbent article of FIG. 1 .

Hereinafter, an embodiment of the disposable absorbent article will be described with reference to the accompanying drawings.

1 and 2 , the disposable absorbent article 100 according to an embodiment of the present invention includes a top sheet 110 , a back sheet 120 , an absorbent body 130 , and first and second waists. It includes panels 140 and 150 and a fastening device 160 .

The absorbent article 100 includes a body-facing surface disposed to face the wearer's body and a garment-facing surface opposite to the body-facing surface and disposed to face the clothing. The top sheet 110, the back sheet 120, the absorbent body 130, and the first and second waist panels 140 and 150 each have a body facing surface and a clothing facing surface. Specifically, the body-facing surface of the top sheet 110 is in contact with the wearer's body, and the clothes-facing surface of the top sheet 110 is disposed to face the body-facing surface of the absorbent body 130 . The body-facing surface of the back sheet 120 is disposed to face the clothing-facing surface of the absorbent body 130 , and the clothing-facing surface of the back sheet 120 is the body-facing surface of the first and second waist panels 140 and 150 . placed to face the The garment facing surfaces of the first and second waist panels 140 , 150 abut the garment.

The top sheet 110 is a part in direct contact with the wearer's body, and functions to transfer the body fluid discharged from the wearer's body to the absorber 130 . Accordingly, the top sheet 110 is made of a liquid-permeable material. In addition, the top sheet 110 may have wettability, hydrophilicity, and porosity properties so that the body fluid and the like can be quickly transferred to the absorbent body 130 . As an embodiment, the top sheet 110 may be made of a nonwoven material having a relatively low density and a large volume. The nonwoven fabric may include single fibers such as polyester or polypropylene, and may include bicomponent fibers or composite fibers having a low-melting component and a high-melting component. For example, the fibers may include nylon, polyester, cotton, acrylic fibers, or combinations thereof, and the bicomponent fibers may include a polyester core and a polyethylene sheath.

The back sheet 120 functions to prevent the body fluid collected in the absorbent body 130 from leaking or permeating into the wearer's clothing. Accordingly, the backsheet 120 may be made of only the liquid-impermeable film, or may be made of two layers of the liquid-impermeable film and the nonwoven fabric. The top sheet 110 and the back sheet 120 are coupled to each other along their edges by ultrasonic bonding, bonding with an adhesive, stitching, or the like.

The absorber 130 is disposed between the top sheet 110 and the back sheet 120 . The absorbent body 130 functions to quickly absorb and retain the body fluid transferred from the top sheet 110 . The absorber 130 has a smaller planar area than the top sheet 110 and the back sheet 120 . The absorber 130 has a shape corresponding to the shape of the top sheet 110 and the back sheet 120 . The absorbent body 130 should be compressible, conformable, and non-irritating to the user's skin. For example, the absorbent body 130 may be made of pulp fibers or pulp fibers mixed with superabsorbent particles. In addition, the absorber 130 may be composed of a single layer or multiple layers.

In one embodiment, the absorbent article 100 may further include a surge layer 170 disposed between the top sheet 110 and the absorber 130 . The surge layer 170 has a smaller planar area than the absorber 130 . In this embodiment, the surge layer 170 is rectangular. However, the present invention is not limited thereto, and may have a shape corresponding to the shape of the absorber 130 . The surge layer 170 functions to quickly absorb the liquid, transfer the absorbed body fluid to the absorber 130 and prevent the user's skin from getting wet. In order to maximize this function of the surge layer 170, the material may be made of a non-woven fabric having a low fiber density and high bulkiness (bulkiness). In addition, in order to maintain or improve the performance of the surge layer 170 while reducing manufacturing cost, the surge layer 170 may be made of a perforated nonwoven fabric.

As shown in FIG. 2 , the back sheet 120 includes a first waist area A and a second waist area along the longitudinal direction LD of the back sheet 120 (ie, the absorbent article 100). B) and a crotch region C located between the first waist region A and the second waist region B. In this embodiment, when the wearer wears the absorbent article 100 , the first waist region A is located at the front of the body, and the second waist region B is located at the back of the body.

The first waist panel 140 covers the front of the body, that is, the lower abdomen, and the second waist panel 150 serves to cover the rear of the body, that is, the buttocks. In addition, the first and second waist panels 140 and 150 also serve to connect to each other. To this end, the first connecting portions 141 are provided at both end portions of the first waist panel 140 , and the second connecting portions 151 are provided at both end portions of the second waist panel 150 . The absorbent article 100 according to an embodiment of the present invention connects the first connection part 141 and the second connection part 151 by a coupling means (eg, ultrasonic bonding, adhesive bonding, stitching, etc.) It can be used as a panty-type absorbent article as shown in FIG.

As shown in FIG. 2 , first waist panel 140 includes a first waistband 142 disposed at a longitudinal (LD) end, and second waist panel 150 includes at a longitudinal (LD) end. and a second waistband 153 disposed on the . The first and second waist panels 142 and 153 are made of an elastic member and serve to surround the body so that the absorbent article 100 does not flow down when the absorbent article 100 is worn. The first and second waist bands 142 and 153 may be manufactured as a separate member from the first and second waist panels 140 and 150 and coupled to the first and second waist panels 140 and 150 , It may be manufactured integrally with the first and second waist panels 140 and 150 .

1 , the first waist panel 140 includes a first elastic region 140a and a first non-stretch region 140b, and the second waist panel 150 includes a second elastic region 150a. ) and a second non-stretchable region 150b. The first and second stretchable regions 140a and 150a are configured to be stretched and contracted in any direction and may be made of an elastomeric nonwoven fabric. Accordingly, the first and second elastic regions 140a and 150a are stretched and contracted according to the shape of the curved body to provide a more comfortable fit to the wearer. The first and second non-stretchable regions 140b and 150b are configured to hardly stretch or contract in either direction and may be made of a non-woven fabric. The first and second non-stretchable regions 140b and 150b may be manufactured using a smaller amount of raw material than the first and second stretchable regions 140a and 140b 143 and 153 based on the same area. The first and second non-stretchable regions 140a and 150a are coupled to the back sheet 120 by a coupling means (eg, ultrasonic bonding, adhesive bonding, stitching, etc.).

The first waist panel 140 has a larger planar area than the first waist region A of the back sheet 120 . The first non-stretch region 140b of the first waist panel 140 is coupled to the entire first waist region A of the back sheet 120 , and a part of the crotch region C of the back sheet 120 . (that is, a portion adjacent to the first waist area A among the crotch areas C of the back sheet 120) (refer to the upper hatched portion of FIG. 2 ).

The second waist panel 150 has a larger planar area than the second waist region B of the back sheet 120 . The second non-stretchable region 150b of the second waist panel 150 engages the entire second waist region B of the backsheet 120 (see the lower hatched portion of FIG. 2 ), and the backsheet 120 ) is not combined with the crotch region (C). That is, in the region C (hereinafter, referred to as overlapping region) where the crotch region C of the second waist panel 150 and the back sheet 120 overlap, the second waist panel 150 is the back sheet 120 . It does not engage with the crotch region (C) of the free end (152). That is, the free end 152 is formed of the second non-stretchable region 150b of the second waist panel 150 .

The fastening device 160 is disposed in the crotch region C adjacent to the second waist region B of the back sheet 120 . Specifically, the fastening device 160 is disposed in the overlapping area (D). The body-facing surface of the fastener 160 is coupled to the garment-facing surface (ie, overlap area) of the backsheet 120, and the garment-facing surface of the fastener 160 is configured with a hook fastener. The first and second waist panels 140 and 150 serve as loops that are repeatedly attached to and detached from the fastening device 160 of a hook fastener. When the absorbent article 100 is worn, the free end 152 of the second waist panel 150 is attached to the fastening device 160 , and the second waist panel 150 is disposed of the absorbent article 100 for disposal. The free end 152 may be separated from the fastening device 160 . Since the second non-stretchable region 150b is made of less raw material than the second stretchable region 150b on the basis of the same area, the second non-stretchable region 150b has a constant area and is attached to the fastening device 160 . The amount of the second stretchable region 150a is small compared to the amount of the raw material attached to the fastening device 160 . Accordingly, the free end 152 of the second non-stretchable region 150b of the second waist panel 150 can be more easily separated from the fastening device 160 .

In the above-described embodiment, it has been described that the fastening device 160 is disposed in the overlapping area (D). However, as another embodiment, the end of the crotch region of the first waist panel may constitute the free end 152 , and the fastening means may be disposed in a region where the crotch region of the first waist panel and the back sheet overlap.

As shown in FIG. 2 , the absorbent article 100 is a pair of first elastic members disposed between the top sheet 110 and the back sheet 120 along the longitudinal direction LD of the absorbent article 100 . (180). The first elastic member 180 adheres the crotch region C of the back sheet 120 to the thigh portion of the wearer to prevent the body fluid held in the absorbent body from flowing out.

In addition, the absorbent article 100 may include a second elastic member 190 disposed on the second waist panel 150 and disposed along a width direction perpendicular to the longitudinal direction LD of the absorbent article 100 . have. The second elastic member 190 elastically wraps the buttocks of the wearer to bring the absorbent article 100 into close contact with the wearer's body, and consequently provides a comfortable fit to the wearer.

Hereinafter, a method of disposing of the absorbent article 100 will be described with reference to FIGS. 4 to 7 .

When the absorbent article 100 is folded along the two vertical axes Y1 and Y2 illustrated in FIG. 4 , the absorbent article 100 is in the state illustrated in FIG. 5 . After that, when the absorbent article 100 is folded once in the direction coming out of the paper with respect to the horizontal axis X1 shown in FIG. ) is the state shown in FIG. 6 . At this time, the user separates the free end 152 of the second waist panel 150 from the fastening device 160 . After that, the first waist panel 140 is attached to the fastening device 160 , and the absorbent article 100 is in the state shown in FIG. 7 . If the absorbent article 100 to be discarded is small and not tightly packed, the first waist panel 140 may be separated from the fastening device 160 and the above process may be repeated to form a small and firm mass again.

As another example, the absorbent article 100 is folded once in a direction toward the ground with respect to the horizontal axis X1 shown in FIG. 5 and folded once more in a direction toward the ground based on the horizontal axis X2.

The present invention described above is not limited by the above-described embodiments and the accompanying drawings, and it is common in the field to which the present invention pertains that various substitutions, modifications, and changes are possible without departing from the technical spirit of the present invention. It will be clear to those who have the knowledge of

100: absorbent article
110: top sheet
120: back sheet
130: absorber
140: first waist panel
150: second waist panel
160: fastening device
170: bibliographic layer
180: first elastic member
190: second elastic member

Claims (8)

It is a disposable absorbent product,
top sheet,
A back sheet having a first waist region corresponding to the front of the body, a second waist region corresponding to the rear of the body, and a crotch region positioned between the first waist region and the second waist region;
an absorber disposed between the top sheet and the back sheet;
a first waist panel coupled to the first waist region of the back sheet and the crotch region adjacent to the first waist region of the back sheet;
a second waist panel coupled to the second waist region of the back sheet and having a free end not coupled to the crotch region of the back sheet;
and the first and second waist panels and detachable hook fasteners; Fastening device disposed between the back sheet
including,
the second waist panel is fastened to the fastening device until the disposable absorbent article is discarded;
When the disposable absorbent article is discarded, the second waist panel is separated from the fastening device, the disposable absorbent article is rolled up, and then the first waist panel is fastened to the fastening device. According to claim 1,
wherein the first waist panel includes a first elastic region and a first non-stretch region;
and the first non-stretchable region of the first waist panel is coupled to the second waist region of the backsheet and the crotch region adjacent the first waist region of the backsheet. According to claim 1,
the second waist panel includes a second elastic region and a second non-stretchable region;
and the second non-stretchable area of the second waist panel is coupled to the second waist area of the backsheet. 4. The method of claim 3,
wherein said free end comprises said second non-stretchable region of said second waist panel. According to claim 1,
the first waist panel has a larger planar area than the first waist region of the backsheet;
and the second waist panel has a planar area greater than the second waist region of the backsheet. According to claim 1,
The disposable absorbent article further comprising a surge layer disposed between the top sheet and the absorber. According to claim 1,
Disposable absorbent article, further comprising a first elastic member disposed between the top sheet and the back sheet and disposed at both ends along the longitudinal direction of the back sheet. According to claim 1,
and a second elastic member disposed along an end portion adjacent the crotch region of the second waist panel.

Images