CN216876843U

CN216876843U - Pants-type absorbent article

Info

Publication number: CN216876843U
Application number: CN202123007757.8U
Authority: CN
Inventors: 徐毅
Original assignee: Zuiko (shanghai) Corp
Current assignee: Zuiko (shanghai) Corp
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-07-05
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a pant-type absorbent article, comprising an absorbent main body and an outer packaging body, wherein the outer packaging body comprises an outer layer sheet, an inner layer sheet and a plurality of elastic components positioned between the outer layer sheet and the inner layer sheet and extending along the width direction, and the pant-type absorbent article is in a T shape in an unfolded state; the front side portion is provided with a pair of tabs projecting in the width direction at both outer side ends in the width direction of the absorbent main body away from the outer cover, and the tabs are directly brought into contact with the skin of a human body in a closed state of the pants-type absorbent article, thereby preventing a feeling of discomfort caused by friction generated by the contact of the plurality of small protrusions on the hook member with the skin of the human body, and providing a good feeling of touch and comfort.

Description

Pants-type absorbent article

Technical Field

The utility model belongs to the technical field of disposable sanitary products, particularly relates to the field of disposable diapers for infants/adults and the like, and particularly relates to a pants-type absorbent article.

Background

In general, a disposable diaper product of a pant-type absorbent article, which is a common product, generally includes an absorbent main body and an outer cover, and specifically, the outer cover is disposed only on the back side of a wearer, the absorbent main body extends from the back side to the stomach side through a crotch portion, and the absorbent main body is joined to the outer cover, and the pant-type absorbent article is also called a "T-shaped" diaper in an unfolded state; the outer body of the pants-type absorbent article has small-sized projecting hook members disposed at both right and left side end portions thereof, and a target sheet corresponding thereto is disposed in the front abdominal portion, and the two hook members and the target sheet are repeatedly bonded or separated from each other, so that the absorbent article can be brought into a closed state and take the shape of pants when the hook members are bonded to the target sheet.

When the pant-type absorbent article is in a closed state, the width of the front abdominal portion of the pant-type absorbent article is only the width of the absorbent core and is narrower than the size of a general pant diaper. This is because the upper and lower back sheets and the nonwoven fabric materials on both sides of the diaper in the front abdominal region are wider than the width of the absorbent core, and when the diaper is worn in a closed state, the back sheet and the nonwoven fabrics on both sides, which are wider than the absorbent core, are circumferentially supported on the side of the human body, while the T-shaped diaper does not have the extra back sheet and the two nonwoven fabric materials. When the hook element is adhered to the target sheet, because the hook element has many small protrusions on the surface and is made of a hard material, the hook element is positioned on the skin side of a human body, and in the using state of a wearer, because the two sides of the waistline are not provided with the materials for resisting, the hook element can rub the skin, so that the body discomfort is easily caused, and the wearing comfort is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-described problems, an object of the present invention is to provide a pant-type absorbent article.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a pant-type absorbent article having a longitudinal direction, a width direction, and a thickness direction which are orthogonal to each other, and having a stomach portion disposed on a wearer's abdomen, a back portion on the wearer's back, and a crotch portion located between the stomach portion and the back portion, the pant-type absorbent article comprising: an absorbent main body and an outer package, characterized in that: the pant-type absorbent article is "T-shaped" in an unfolded state, and the absorbent main body is arranged along the longitudinal direction of the pant-type absorbent article and extends from the back portion to the front portion via the crotch portion; the outer cover is provided on the back side portion and is combined with the absorbent main body on the side facing the skin of the wearer; the outer cover is provided on the back side of the wearer's back, and includes an outer sheet, an inner sheet, and a plurality of elastic members extending in the width direction between the outer sheet and the inner sheet, the elastic members being arranged at predetermined intervals in the longitudinal direction; the outer packaging body can be divided into an end part area, an outer side fixing area and a main telescopic area from two sides to the middle along the width direction; the pant-type absorbent article further comprises: two hook members respectively arranged in the two end regions along the length direction; and a target sheet located on the ventral portion and disposed on a non-skin side of the absorbent main body facing a wearer; the two hook members may repeatedly adhere/separate the target sheet, and when the hook members are adhered to the target sheet, the pant-type absorbent article may be brought into a closed state to form a pant-type shape having one waist opening and two leg openings; the abdomen-side portion is further provided with a pair of tabs protruding in the width direction at both outer ends in the width direction of the absorbent main body.

Preferably, the material of the ear sheet can be one or a combination of any two or more of spun-bonded non-woven fabric, spunmelt non-woven fabric, spunlace non-woven fabric and hot air non-woven fabric, the non-woven fabric can have a 2D or 3D embossing treatment effect, and the gram weight of the non-woven fabric is preferably 30g/m²～120g/m²In the meantime.

Preferably, in the width direction, the center line of the pair of ear panels coincides with the center line of the target panel; in the longitudinal direction, the maximum size of the outer edge sides of the pair of ear pieces is N1, and the size of the target piece is N2, so that N1/N2 is not less than 0.6 and not more than 1.2.

Preferably, in the end region, the outer and inner plies are joined to each other; and in the end portion region on one side of the outer package, the plurality of elastic members are cut and retracted to the outer fixing region along the width direction at a cutting position, the outer layer sheet and/or the inner layer sheet is provided with a second cut portion formed by cutting the plurality of elastic members at the cutting position, the second cut portion comprises a plurality of cut lines, and the extension line of each elastic member along the width direction is intersected with at least one cut line; in the end portion region on the other side of the exterior body, the plurality of elastic members are retracted to the outer fixing region in the width direction.

Preferably, the outer covering body may be divided into a waist stretching region and a hip region having an overlapping region with the absorbent main body inward in an outer side in the longitudinal direction; in the hip region, the exterior body is further provided with a low expansion region and an inner fixing region in the width direction, wherein the low expansion region is located between the inner fixing regions; in the low stretch region, the outer layer sheet and the inner layer sheet are joined to each other, and the plurality of elastic members are cut and retracted in the width direction to the inner layer fixing region at the cut position; the outer layer sheet and/or the inner layer sheet is provided with a first cut mark portion formed by cutting the plurality of elastic members at a cutting position, the first cut mark portion comprises a plurality of cut mark lines, and an extension line of each elastic member in the width direction intersects with at least one cut mark line.

Preferably, in the end region, a hook element securing portion for securing the hook element to the outer and inner side panels is further included.

Preferably, both end sides of the elastic member are joined to the outer layer sheet and the inner layer sheet in the outer fixing region, and the elastic member cut and retracted in the end region in the width direction is fixed.

Preferably, the elastic member is joined to the outer sheet and the inner sheet in the main stretch region.

Preferably, both end sides of the elastic member are joined to the outer layer sheet and the inner layer sheet in the inner fixing region, and the elastic member cut in the width direction in the low stretch region and retracted is fixed.

Preferably, in the hip region, the exterior body further includes two leg opening portions having an arc-shaped cut curve adapted to the contour of the wearer's leg, and leg fixing regions are provided along the circumference of the arc-shaped cut curve of the leg opening portions; the elastic member is joined to the outer sheet and the inner sheet in the leg fixing region.

Preferably, the outer layer sheet of the outer package has a folded portion folded toward the inner layer sheet on the skin side of the wearer.

The absorbent main body has a liquid-permeable top sheet disposed on the skin side of a wearer, a liquid-impermeable back sheet disposed on the non-skin side, and an absorbent body positioned between the liquid-permeable top sheet and the liquid-impermeable back sheet; the absorption body is also provided with leg leakage-proof sheets which are arranged on two sides of the skin side of the liquid-permeable surface sheet along the length direction; a first elastic member extending in the length direction is folded and fixed in the leg leakage preventing sheet at the inner side edge close to the width direction of the absorbent main body; a second elastic member extending in the longitudinal direction is further provided on the outer side in the width direction of the absorbent main body, the second elastic member is provided between the leg leakage-preventing sheet and the liquid-impermeable back sheet or within the liquid-impermeable back sheet, and the inner edge side of the ear sheet is fixed between the leg leakage-preventing sheet and the liquid-impermeable back sheet.

Preferably, the absorbent main body is further provided with an elastic waist sheet extending in the width direction at the abdomen-side portion, the elastic waist sheet being provided between the absorbent body and the liquid-impermeable back sheet.

Preferably, the outer package further includes an end nonwoven fabric joined to the skin side of the absorbent main body facing the wearer, in the back side portion, for covering the end of the absorbent main body.

The utility model has the beneficial effects that: the pants-type absorbent article of the present invention has ear pieces fixed to the outer ends of the absorbent body in the width direction thereof on the abdomen side, and when the pants-type absorbent article is in a closed state and the hook member is stuck to the target piece, since the hook member is positioned on the non-skin side of the ear piece facing the wearer and the two ear pieces are in direct contact with the skin of the human body, the stopper portions are formed on both sides of the waist, thereby providing the wearer with good feeling and comfort and preventing the uncomfortable feeling caused by the friction due to the direct contact between the small hard material protrusions on the hook member and the skin of the human body.

The present invention also provides a pants-type absorbent article outer cover in which an elastic member is cut at an end region thereof, thereby improving the effect of combining a hook member with the end region of the outer cover and solving the problem in the prior art that the elastic member generated during cutting remains between an outer layer sheet and an inner layer sheet.

Drawings

Figure 1 is a schematic view of a first embodiment of a pant-type absorbent article according to the utility model in an unfolded state;

FIG. 2 is a cross-sectional view of FIG. 1 at section T-T;

FIG. 3 is a cross-sectional view of FIG. 1 at section S-S;

FIG. 4 is an enlarged partial view of the cut side of the elastic member in the end region of the exterior body of FIG. 1 according to the present invention;

FIG. 5 is a schematic view showing a structure in which a hook member of the exterior body of the present invention is divided;

FIG. 6 is a schematic view of an end region of the outer body of the present invention having an edge seal;

FIG. 7 is a partial enlarged view of the cut side of the elastic member in the end region of the exterior body of FIG. 6;

figure 8 is a schematic view of a second embodiment of a pant-type absorbent article of the utility model in an unfolded state;

figure 9 is a schematic view of a third embodiment of a pant-type absorbent article of the utility model in an unfolded state.

Description of reference numerals: the abdomen-side portion a1, the back-side portion a2, the crotch portion A3, the waist stretch region B1, the back-hip portion region B2, the end region C1, the outer side fixing region C2, the main stretch region C3, the leg fixing region C4, the low stretch region C5, the inner side fixing region C6, the first cut portion K1, the second cut portion K2, the absorbent body 1, the outer cover 2, the hem seal 10, the absorbent body 11, the liquid-permeable top sheet 12, the liquid-impermeable back sheet 13, the elastic waist sheet 14, the leg leakage-proof sheet 15, the first elastic member 16, the second elastic member 17, the outer sheet 21, the inner sheet 22, the elastic member 23, the hook element 24, the end nonwoven fabric 2e, the target sheet 3a, the ear sheet 3B, the leg hole 26, the first end joining portion 41, the hook element fixing portion 42, and the folded portion 21 a.

Detailed Description

The present invention will be described in more detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments, and can be modified and implemented as desired within a scope not departing from the gist of the present invention.

As shown in fig. 1, the pants-type absorbent article of the present invention has a longitudinal direction, a width direction, and a thickness direction which are orthogonal to each other, and includes a front side portion a1 disposed on the front side of a wearer, a back side portion a2 disposed on the back side of the wearer, and a crotch portion A3 positioned between the front side portion a1 and the back side portion a 2. The side that contacts the wearer with respect to the thickness direction is also referred to as the "skin side", and the opposite side from the "skin side" is referred to as the "non-skin side", as shown in fig. 2.

The pant-type absorbent article is "T-shaped" in an unfolded state, and includes an absorbent main body 1 and an outer body 2. The absorbent main body 1 is disposed along the longitudinal direction of the pant-type absorbent article, and extends from the back portion a2 to the stomach portion a1 via the crotch portion A3; the outer package 2 is provided on the back side portion a2 and is combined with the absorbent main body 1 on the side facing the skin of the wearer.

As shown in fig. 2, the absorbent body 1 includes a liquid-permeable top sheet 12 disposed on the skin side of the wearer, a liquid-impermeable back sheet 13 disposed on the non-skin side, and an absorbent body 11 positioned between the liquid-permeable top sheet 12 and the liquid-impermeable back sheet 13. The absorbent body 11 may be a structure in which the mixture of the pulverized pulp fiber and the polymer water absorbent resin (SAP) is coated with the toilet paper/absorbent material, or a structure in which the ultra-thin composite core is coated with the toilet paper/absorbent material, or a sandwich structure, wherein if the absorbent body 11 is in a wrapping structure, the wrapping structure may be e-fold, c-fold, or the like. The absorbent main body 1 is further provided with leg leakage prevention sheets 15 which are provided on both sides of the liquid-permeable surface sheet 12 in the longitudinal direction, and a first elastic member 16 extending in the longitudinal direction is folded and fixed in the leg leakage prevention sheets 15 at an inner side edge close to the width direction of the absorbent main body 1. A second elastic member 17 extending in the longitudinal direction is further provided on the outer side in the width direction of the absorbent main body 1, and the second elastic member 17 is provided between the leg leakage prevention sheet 15 and the liquid impermeable back sheet 13 or inside the liquid impermeable back sheet 13. When the second elastic member 17 is disposed inside the liquid-impermeable back sheet 13, the liquid-impermeable back sheet 13 may adopt a folding structure to fold the second elastic member 17 inside the liquid-impermeable back sheet 13, as shown in fig. 3; when the second elastic member 17 is disposed between the leg leakage prevention sheet 15 and the liquid impermeable back sheet 13, the liquid impermeable back sheet 13 may be non-folded, and the liquid impermeable back sheet 13 may be one or a combination of a bottom nonwoven material and a waterproof film material. By providing the first elastic member 16 and the second elastic member 17, the fit between the absorbent main body 1 and the human body can be improved, and the side leakage of human waste can be prevented.

As shown in fig. 1 and 2, the absorbent body 1 is further provided with an elastic waist sheet 14 extending in the width direction at the stomach-side portion a1 of the absorbent body 1, and the elastic waist sheet 14 is provided between the absorbent body 11 and the liquid-impermeable back sheet 13. The elastic waist sheet 14 is not particularly limited, and may include a composite elastic body in which an elastic band and an elastic film are combined between two layers of nonwoven fabric, or may be a separate elastic body, and the fit in the worn state is improved by providing the elastic waist sheet 14 so that the abdomen-side portion a1 has a certain elastic stretchability.

As shown in fig. 1, a pair of tabs 3b protruding in the width direction are provided at both outer ends in the width direction of the absorbent main body 1 in the stomach side portion a 1. The outer edge side of the lug 3b is in a trapezoid, T-shaped or long strip structure as shown in figures 1, 8 and 9 respectively. The material of the ear piece 3b can be one or a combination of any two or more of a spun-bonded non-woven fabric, a spun-melt non-woven fabric, a spunlace non-woven fabric and a hot-air non-woven fabric, the non-woven fabric can have a 2D or 3D convex-concave embossing treatment effect, and the gram weight of the non-woven fabric is preferably 30g/m 2-120 g/m 2. The center line of the pair of ear pieces 3b coincides with the center line of the target piece 3a in the width direction; when the maximum width of the pair of ear panels 3b on the outer edge side in the longitudinal direction is N1 and the width of the target panel 3a is N2, N1/N2 satisfy the relationship: N1/N2 is more than or equal to 0.6 and less than or equal to 1.2.

As shown in fig. 1, in the stomach portion a1, the ear pieces 3b are fixed to both outer ends in the width direction of the absorbent main body 1 by hot melt adhesive, ultrasonic waves, or hot pressing, and the pair of ear pieces 3b may be fixed between the liquid-permeable top sheet 12 and the leg-leakage-preventing sheet 15 or between the liquid-permeable top sheet 12 and the liquid-impermeable back sheet 13.

As shown in fig. 2, the outer package 2 includes an outer sheet 21 disposed on the non-skin side of the wearer, an inner sheet 22 disposed on the skin side of the wearer, and a plurality of elastic members 23 positioned between the outer sheet 21 and the inner sheet 22 and extending in the width direction, the elastic members 23 being arranged at predetermined intervals in the longitudinal direction; the outer sheet 21 of the outer package 2 has a bent portion 21a folded toward the inner sheet 22 on the skin side of the wearer.

As shown in fig. 1, the outer package 2 may be further divided into end regions C1, outer fixing regions C2, and main expansion and contraction regions C3 from both sides to the middle in the width direction. A center line in the width direction of the pant-type absorbent article is CL1, the end regions C1 are symmetrically distributed on both sides of the center line CL1, and the outer side fixing region C2 is disposed adjacent to the end region C1; the main expansion/contraction region C3 is located at the center in the width direction of the outer package 2, and is adjacent to the two outer fixing regions C2.

As shown in fig. 1 and 5, the pant-type absorbent article further includes two hook members 24 respectively disposed at the two end regions C1 in the longitudinal direction, the two hook members 24 being joined to the skin-facing side of the inner sheet 22, the hook members 24 having a strip-like configuration with a plurality of small protrusions on the skin-facing side of the wearer, the small protrusions being three-dimensional hooks having a mushroom-head shape or other shapes and being made of a relatively rigid material. The hook member 24 may be an integral structure or a split structure, and in this embodiment, it is an integral structure as shown in fig. 1, and it is a split structure as shown in fig. 5, which depends on the actual situation in practical application.

The pant-type absorbent article further includes a target sheet 3a located on the abdomen-side portion a1 and disposed on the non-skin side of the absorbent main body 1 facing the wearer. The target sheet 3a is fixed by hot melt adhesive, ultrasonic waves or heat pressing, the target sheet 3a has a mesh surface or a pile surface structure around which the small protrusions of the hook members 24 can be wrapped, the hook members 24 are engaged with the target sheet 3a to fix the pant-type absorbent article, the two hook members 24 can repeatedly adhere/separate the target sheet 3a, and when the hook members 24 are adhered to the target sheet 3a, the pant-type absorbent article can be in a closed state to form a pant-type shape having one waist opening and two leg openings. When the pant-type absorbent article is used in a closed state, i.e., by a wearer, the ear portion 3b is in direct contact with the skin of the human body during the process of attaching the two hook members 24 to the target sheet 3a, which provides good tactile sensation and comfort, and prevents the small protrusions of the hook members 24 from being rubbed against the skin of the human body due to the relatively hard material.

In the end region C1 of the outer package 2, the plurality of elastic members 23 are cut and retracted to the outer fixing region C2 in the width direction at the cutting position, and the outer layer sheet 21 and/or the inner layer sheet 22 leave a second cut portion K2 formed by cutting the plurality of elastic members 23 at the cutting position, and the second cut portion K2 includes a plurality of cut lines, and an extension line of each elastic member 23 in the width direction intersects at least one of the cut lines, and the cut lines are arranged in a diagonal line so as to ensure that the elastic members 23 can be cut. The plurality of second cut portions K2 and the hook members 24 have an overlapping region in the thickness direction, and the hook members 24 cover the surface of the second cut portions K2 when viewed from the side toward the skin of the wearer in the unfolded state, and therefore, the excellent appearance of the pant-type absorbent article is also improved.

Further, in the end portion region C1 on one side of the outer package 2, the plurality of elastic members 23 are cut and retracted to the outer fixing region C2 in the width direction at the cutting position, the outer layer sheet 21 and/or the inner layer sheet 22 is left with a second cut portion K2 formed by cutting the plurality of elastic members 23 at the cutting position, the second cut portion K2 includes a plurality of cut lines, an extension line of each elastic member 23 in the width direction intersects at least one of the cut lines, and the cut lines are arranged in a diagonal line to ensure that the elastic members 23 are completely cut; in the end portion region C1 on the other side of the exterior body 2, the elastic member 23 is retracted to the outer fixing region C2 in the width direction. By performing a cutting process on the elastic member 23 of the pant-type absorbent article outer covering 2 at one side of the end region C1, the elastic member 23 is cut and then retracted into the outer fixing region C2, thereby ensuring the flatness of the end region C1, and then being combined with the hook member 24, the effect of combining the hook member 24 with the outer covering 2 at the end region is improved, and the problem that the elastic member 23 remains between the outer layer sheet 21 and the inner layer sheet 22 when the elastic member 23 is cut in the prior art is solved, thereby greatly improving the aesthetic appearance of the pant-type absorbent article.

As shown in fig. 1, the outer layer sheet 21 and the inner layer sheet 22 are bonded to each other at least in the end region C1 of the outer package 2, and the bonding may be achieved by thermal adhesive, heat pressing, ultrasonic bonding, or the like, or by thermal adhesive and heat press bonding, and is actually selected depending on the case; the end region C1 further includes hook member fastening portions 42 for fastening the hook members 24 to the outer sheet 21 and the inner sheet 22, the hook member fastening portions 42 are formed by a plurality of joints for firmly fastening the hook members 24 to the end region C1 of the outer covering 2 to prevent the hook members 24 from peeling off from the target sheet 3a during the process of attaching or detaching, and the shape or arrangement of the hook member fastening portions 42 is not particularly limited, and may be one or more combinations of a circle, a rectangle, a triangle, a diamond, an ellipse, and a parallelogram, and may be regularly arranged in a straight line, a wavy line, an oblique line, and the like.

As shown in fig. 4, the width L1 of the hook member 24 is greater than the width L2 of the second cut-out portion K2 in the width direction, and the side of the second cut-out portion K2 is spaced from the outer edge of the end region C1 by a distance D, which is in the range of 5mm to 20mm, and the distance is set for the edge sealing portion 10 (described in detail later).

In the outer fixing region C2, the elastic member 23 is fixed by joining the outer sheet 21 and the inner sheet 22 to each other at both ends of the elastic member 23, and cutting and retracting the elastic member 23 in the width direction at the end region C1; in the main stretch region C3, the elastic member 23, the outer sheet 21, and the inner sheet 22 are joined to each other. Also, the bonding here may be achieved by means of thermal adhesive, heat pressing, ultrasonic waves, or the like, or by means of bonding by a process of thermal adhesive and heat pressing bonding.

As shown in fig. 1, the outer body 2 is divided into a waist stretch region B1 and a hip region B2 having an overlapping region with the absorbent main body 1 in the longitudinal outer side inward direction. In the hip region B2, the exterior body 2 is further provided with a low stretch region C5 and an inner side fixing region C6 in the width direction, wherein the low stretch region C5 is located between the inner side fixing regions C6; in the low stretch region C5, the outer sheet 21 and the inner sheet 22 may be bonded to each other by a thermal adhesive, and similarly, the bonding may be achieved by a thermal compression method, an ultrasonic bonding method, or a thermal adhesive and thermal compression bonding method. In the low stretch region C5, the plurality of elastic members 23 are cut and retracted to the inner fixing region C6 in the width direction at the cutting position, the outer sheet 21 and/or the inner sheet 22 is provided with a first cut portion K1 formed by cutting the plurality of elastic members 23 at the cutting position, the first cut portion K1 includes a plurality of cut lines, an extension line of each elastic member 23 in the width direction intersects at least one of the cut lines, and the cut lines are arranged in a diagonal line to ensure that the elastic members 23 can be completely cut. The low stretchability region C5 exhibits low stretchability due to the elastic member 23 being cut, and therefore ensures that the outer cover 2 is combined with the absorbent main body 1 in a flat state, thereby achieving a good combination effect.

In the inner fixing region C6, both ends of the elastic member 23 are joined to each other with the outer sheet 21 and the inner sheet 22, and the elastic member 23 is cut and retracted in the low stretch region C5 in the width direction and fixed. Also, the bonding here may be achieved by means of thermal adhesive, heat pressing, ultrasonic waves, or the like, or by means of bonding by a process of thermal adhesive and heat pressing bonding.

In the hip region B2, the exterior body 2 further includes two leg openings 26, the leg openings 26 have an arc-shaped cut curve corresponding to the contour of the wearer's leg, a leg fixing region C4 is provided around the arc-shaped cut curve of the leg openings 26, and in the leg fixing region C4, the elastic members 23 are bonded to the outer sheet 21 and the inner sheet 22 by thermal adhesive, thermal compression or ultrasonic, or a combination of thermal adhesive and thermal compression, and the elastic members 23 are fixed while being retracted in the width direction, which are cut together by forming the leg openings 26, so that the elastic members 23 are prevented from being retracted around the leg openings, flatness of the leg portions is effectively improved, and elasticity thereof is ensured.

As shown in fig. 6 and 7, edge seals 10 for preventing the opening of the outer layer sheet 21 and the inner layer sheet 22 are joined to each other at the side positions of the end regions C1 on both sides, and the edge seals 10 are formed by a hot press or ultrasonic composite method. The edge seal 10 has a plurality of joints arranged at intervals in the longitudinal direction; the edge seal 10 is used to prevent the outer layer sheet 21 and the inner layer sheet 22 from being opened at both end edges, to improve the joining strength of both side ends of the exterior body 2, and to further prevent the end region C1 from being cracked or layered between the two sheets.

As shown in fig. 1 and 2, the outer package 2 further includes an end portion nonwoven fabric 2e positioned on the back side portion a2, and the end portion nonwoven fabric 2e is joined to the surface of the absorbent main body 1 facing the skin of the wearer to cover the end portion of the absorbent main body 1, thereby preventing the absorbent main body 1 from being cracked at the end portion due to swelling after absorbing bodily waste such as bodily fluids.

The present invention has been described in detail in order to enable those skilled in the art to understand the utility model and to practice it, and it is not intended to limit the scope of the utility model, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the present invention.

Claims

1. A pant-type absorbent article having a longitudinal direction, a width direction and a thickness direction which are orthogonal to each other, and having a stomach portion (A1) disposed on the abdomen of a wearer, a back portion (A2) on the back of the wearer, and a crotch portion (A3) located between the stomach portion (A1) and the back portion (A2), the pant-type absorbent article comprising: an absorbent main body (1) and an outer body (2), characterized in that: the pant-type absorbent article is "T-shaped" in an unfolded state, and the absorbent main body (1) is arranged along the longitudinal direction of the pant-type absorbent article and extends from the back-side portion (A2) to the stomach-side portion (A1) via the crotch portion (A3); the outer package (2) is provided on the back side section (A2) and is combined with the absorbent main body (1) on the side facing the skin of the wearer; the outer package (2) is provided on the back side section (A2), the outer package (2) includes an outer sheet (21), an inner sheet (22), and a plurality of elastic members (23) located therebetween and extending in the width direction, the elastic members (23) being arranged at predetermined intervals in the longitudinal direction; the outer body (2) is divided into an end region (C1), an outer fixing region (C2) and a main expansion region (C3) from both sides to the middle in the width direction; the pant-type absorbent article further comprises:

two hook elements (24) respectively arranged in the two end regions (C1) along the length direction;

and a target sheet (3a) positioned on the abdominal section (A1) and disposed on the wearer-oriented non-skin side of the absorbent main body (1);

the two hook members (24) can repeatedly adhere/separate the target sheet (3a), and when the hook members (24) are adhered to the target sheet (3a), the pant-type absorbent article can be brought into a closed state to form a pant-type shape having a waist opening and two leg openings;

a pair of tabs (3b) protruding in the width direction are provided on the ventral portion (A1) at both outer ends in the width direction of the absorbent body (1).

2. A pant-type absorbent article according to claim 1, wherein: the outer edge side of the lug (3b) is in a trapezoidal, long-strip and T-shaped shape.

3. A pant-type absorbent article according to claim 1, wherein: the ear piece (3b) is made of one or a combination of any two or more of spun-bonded non-woven fabric, spun-melt non-woven fabric, spunlace non-woven fabric and hot air non-woven fabric, the non-woven fabric has a 2D or 3D convex-concave embossing treatment effect, and the gram weight of the non-woven fabric is between 30g/m2 and 120g/m 2.

4. A pant-type absorbent article according to claim 1, wherein: the center line of the pair of ear pieces (3b) coincides with the center line of the target piece (3a) in the width direction; in the longitudinal direction, when the maximum dimension of the outer edge sides of the pair of ear pieces (3b) is N1 and the dimension of the target piece (3a) is N2, N1/N2 is 0.6-1.2.

5. A pant-type absorbent article according to claim 1, wherein: -in said end region (C1), the outer ply (21) and the inner ply (22) are joined to each other; and in the end portion region (C1) on one side of the outer package body (2), the plurality of elastic members (23) are cut and retracted to the outer fixing region (C2) along the width direction at the cutting position, the outer layer sheet (21) and/or the inner layer sheet (22) leave a second cut portion (K2) formed by cutting the plurality of elastic members (23) at the cutting position, the second cut portion (K2) comprises a plurality of cut lines, and the extension line of each elastic member (23) along the width direction is arranged to intersect with at least one of the cut lines; in the end portion region (C1) on the other side of the exterior body (2), the plurality of elastic members (23) are retracted to the outer fixing region (C2) in the width direction.

6. A pant-type absorbent article according to claim 1, wherein the outer body (2) is dividable, outwardly and inwardly in the longitudinal direction, into a waist stretch region (B1) and a hip region (B2) having an overlapping region with the absorbent main body (1); in the hip region (B2), the exterior body (2) is further provided with a low stretch region (C5) and inner side fixing regions (C6) in the width direction, wherein the low stretch region (C5) is located between the inner side fixing regions (C6); in the low stretch region (C5), the outer sheet (21) and the inner sheet (22) are joined to each other, and the plurality of elastic members (23) are cut and retracted to the inner fixing region (C6) in the width direction at the cut position; the outer layer sheet (21) and/or the inner layer sheet (22) is provided with a first cut (K1) formed by cutting the plurality of elastic members (23) at a cutting position, and the first cut (K1) comprises a plurality of cut lines, and an extension line of each elastic member (23) in the width direction intersects at least one cut line.

7. A pant-type absorbent article according to claim 1, wherein: in the end region (C1), a hook element securing portion (42) for securing the hook elements (24) to the outer sheet (21) and the inner sheet (22) is further included.

8. A pant-type absorbent article according to claim 1, wherein: in the outer fixing region (C2), both end sides of the elastic member (23) are joined to the outer sheet (21) and the inner sheet (22) and the elastic member (23) is cut in the width direction in the end region (C1) and is fixed.

9. A pant-type absorbent article according to claim 8, wherein: the elastic member (23) is joined to the outer sheet (21) and the inner sheet (22) in the main stretch region (C3).

10. A pant-type absorbent article according to claim 6, wherein: in the inner fixing region (C6), both end sides of the elastic member (23) are joined to the outer sheet (21) and the inner sheet (22) and the elastic member (23) which is cut in the width direction in the low stretch region (C5) and is retracted is fixed.

11. A pant-type absorbent article according to claim 6, wherein: in the hip region (B2), the outer body (2) further comprises two leg opening parts (26), the leg opening parts (26) have arc-shaped cutting curves matched with the leg contours of a wearer, and leg fixing regions (C4) are arranged along the peripheries of the arc-shaped cutting curves of the leg opening parts (26); in the leg fixing region (C4), the elastic member (23) is joined to the outer sheet (21) and the inner sheet (22).

12. A pant-type absorbent article according to claim 1, wherein: the outer sheet (21) of the outer package (2) has a bent portion (21a) that is folded toward the inner sheet (22) on the skin side of the wearer.

13. A pant-type absorbent article according to claim 12, wherein: the absorbent body (1) has a liquid-permeable top sheet (12) disposed on the skin side of the wearer, a liquid-impermeable back sheet (13) disposed on the non-skin side, and an absorbent body (11) positioned between the liquid-permeable top sheet (12) and the liquid-impermeable back sheet (13); the absorption body (1) is also provided with leg leakage-proof sheets (15) which are arranged on both sides of the skin side of the liquid-permeable surface sheet (12) along the length direction; a first elastic member (16) extending in the longitudinal direction is folded and fixed in the leg leakage prevention sheet (15) near the inner side edge in the width direction of the absorbent main body (1); a second elastic member (17) extending in the longitudinal direction is further provided on the outer side in the width direction of the absorbent body (1), the second elastic member (17) is provided between the leg leakage-preventing sheet (15) and the liquid-impermeable back sheet (13) or within the liquid-impermeable back sheet (13), and the inner edge side of the ear sheet (3b) is fixed between the leg leakage-preventing sheet (15) and the liquid-impermeable back sheet (13).

14. A pant-type absorbent article according to claim 13, wherein the absorbent main body (1) is further provided with an elastic waist sheet (14) extending in the width direction at the abdomen-side portion (a1), the elastic waist sheet (14) being provided between the absorbent body (11) and the liquid-impermeable back sheet (13).

15. A pant-type absorbent article according to claim 1, wherein the outer body (2) further comprises an end portion nonwoven fabric (2e) at the back portion (a2), the end portion nonwoven fabric (2e) being joined to the wearer's skin side of the absorbent main body (1) to cover the end portion of the absorbent main body (1).