CN217430336U - Prevent reining in and dress and use absorbent articles for use - Google Patents

Abstract

The utility model discloses an absorptive article for anti-tightening wearing, which comprises a trousers body, wherein the trousers body is provided with a core body with an air cushion; the left side and the right side of the trousers body are provided with the side leakage prevention separation edges, the side leakage prevention separation edges comprise separation edge bodies, the separation edge bodies are at least folded for the first time and folded for the second time to form a multi-folding structure, and elastic bodies are arranged in the side leakage prevention separation edges; the multi-turn structure comprises a first turn body and a second turn body from bottom to top, and the width of the upper layer partition body of the first turn body is larger than that of the lower layer partition body so as to completely cover the lower layer partition body; the front end and the rear end of the bottom of the second turnover body are fixedly bonded with the top surface of the first turnover body through hot melt adhesives. The utility model discloses an absorptive articles for use are used in wearing, the three-dimensional edge bead of protecting prevents that the edge bead is less with thigh root skin contact angle, and the power of applying for skin is less for the elastomer, can reduce skin by a wide margin and take place wearing and tearing or the condition that the trace was tightened up appears.

Description

Prevent reining in and dress and use absorbent articles for use

Technical Field

The utility model relates to a disposable absorption articles for use technical field especially relates to a prevent reining in and dress and use absorbent articles for use.

Background

Through the rapid development of disposable absorbent articles such as paper diapers and sanitary napkins for decades, the disposable absorbent articles have the advantages of various product types, continuous perfect functions and continuous promotion of popularity, and become important products closely related to the life of people. When the disposable absorption article for wearing is used, the absorbent article for wearing can be attached to the body of a user like underwear, so that the requirement on the wearing comfort of the absorbent article for wearing is high, and particularly, if the disposable absorption article for wearing is unreasonable in structural design, the waist and the thighs can be tightened, tightening marks or even skin abrasion is generated, and bad experience is brought to the user. The existing absorbing articles for wearing are generally provided with a three-dimensional protecting wall structure, the three-dimensional protecting wall structure is arranged at the left side and the right side of a trouser body and is also called as a side leakage preventing separation edge, and when in use, the three-dimensional protecting wall structure is attached to the root of thighs of a user. Meanwhile, linear elastic bodies are generally arranged in the three-dimensional enclosure structure, and when the three-dimensional enclosure structure is in a use state, the linear elastic bodies act on leg skins. However, in the existing absorbing article for wearing, such as a diaper, the three-dimensional enclosure structure is unreasonably arranged, and is easy to generate large friction with the root of the thigh of a consumer in the movement process, so that a user is easy to generate strange marks and even skin damage.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's not enough, the utility model aims to provide a prevent reining in and dress and use absorbent articles for use, its three-dimensional fender is enclosed and is prevented that the edge leakage separates the limit less with thigh root skin contact angle, and the power of applying for skin is less for the elastomer, can reduce skin by a wide margin and take place wearing and tearing or the condition of reining in the trace appears.

The purpose of the utility model is realized by adopting the following technical scheme:

an absorbent article for tightening prevention comprises a pants body, wherein the pants body is provided with a core body with an air cushion, and the air cushion is arranged at the right end of the core body; the trousers comprise a trousers body and are characterized in that two sides of the trousers body are provided with side leakage prevention partition edges, each side leakage prevention partition edge comprises a partition edge body, the partition edge bodies are folded for the first time and folded for the second time to form a multi-folding structure, so that at least four layers of partition edge bodies are formed on one side, close to the crotch of the trousers body, of each side leakage prevention partition edge, and an elastic body is arranged between at least two adjacent layers of partition edge bodies; the multi-turn structure comprises a first turn body and a second turn body from bottom to top, and the width of the upper layer partition body of the first turn body is larger than that of the lower layer partition body so as to completely cover the lower layer partition body; the front end and the rear end of the bottom of the second turnover body are fixedly bonded with the top surface of the first turnover body through hot melt adhesives.

Furthermore, the partition body is folded for the first time and folded for the second time to form a twice folding structure, so that four layers of partition bodies are formed on one side, close to the crotch of the trousers body, of the side leakage prevention partition, and an oval elastic body is arranged between the two layers of partition bodies; the double-turnover structure comprises a first turnover body and a second turnover body from bottom to top, and the turnover width of the second turnover body is 12-15 mm.

Furthermore, the edge separation body comprises an upper layer of non-woven fabric and a lower layer of non-woven fabric, and hot melt adhesive is arranged between the upper layer of non-woven fabric and the lower layer of non-woven fabric.

Further, the number of the elastic bodies on the side leakage preventing partition edge on each side is preferably 2-5, and most preferably 2 or 3.

Further, the elastic body is an elastic rubber band.

Further, the air cushion comprises a protruding part and an embedded part which are integrally formed; the protruding part is provided with a blocking tail part, a first extending part and a second extending part, wherein the first extending part and the second extending part respectively extend forwards from two ends of the blocking tail part and gradually approach to each other in a tilting mode, so that the protruding part is formed with an M-shaped hollow part; the embedding part is arranged at the bottom of the blocking tail part, the embedding part is embedded in the core body, and the opening of the M-shaped hollow part faces to the left end of the core body.

Furthermore, a flow guide empty groove is formed in the core body, one end of the flow guide empty groove is opposite to the opening of the M-shaped empty part, the end, opposite to the opening of the M-shaped empty part, of the flow guide empty groove is marked as an opposite end, and the vertical distance between the opposite end and the M-shaped empty part is 50-100 mm.

Furthermore, the flow guide empty groove is a linear empty groove which is distributed in a bilateral symmetry mode along the center line of the length direction of the core body, the linear empty groove is divided into a left part and a right part along the center line of the width direction of the core body, and the length ratio of the left end part to the right end part of the linear empty groove is 6 (3-5); the length of the flow guide empty groove is 100-200mm, the width is 8-15mm, and the depth is 2-4 mm.

Further, along the length direction of the core body, the left end width of the core body is C, the right end width is B, and the width B is 1.5-2.0 times of the width C.

Further, the embedded part of the air cushion is embedded into the core body downwards, and the vertical distance between the bottom wall of the embedded part and the bottom of the core body is 1-5 mm; the protruding part of the air cushion protrudes upwards from the surface of the core body, and the height of the protruding part is 2-8 mm.

The air cushion further comprises a core body wrapping cloth, wherein the core body wrapping cloth covers the core body and the surface of the air cushion; or the core body and the air cushion are completely wrapped by the core body wrapping cloth.

Further, the lower part of the core body is provided with an anti-tightening bottom layer structure, the anti-tightening bottom layer structure comprises an inner layer cloth body, a leakage-proof elastic film and an outer layer cloth body, and the inner layer cloth body and the outer layer cloth body are fixed above and below the leakage-proof elastic film in a wavy and wrinkled shape in sequence.

Furthermore, the inner layer cloth body and the outer layer cloth body are respectively fixed above and below the leakage-proof elastic film in a regular semi-circular pipe fold shape in sequence, the fixing position is marked as an adhesive bonding station, and the adhesive bonding station is provided with a penetrating hole.

Further, the absorbent article for wearing includes, but is not limited to, infant diapers, pull-ups, sanitary napkins, menstrual pants, adult diapers, incontinence pants and the like.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the utility model provides a prevent reining in and dress and use absorbent articles for use, it prevents that the edge leakage separates the limit and turns over once (toward the direction of keeping away from crotch portion) toward turning over outward again at least on the basis that the limit structure was once turned over in the conventionality, turns over once preferably again, prevents promptly that the edge leakage separates the limit and forms a secondary and turns over a structure. The contact angle between the common three-dimensional protection side leakage prevention separation edge and the skin at the root of the thigh is between 30 degrees and 90 degrees, and when the linear elastic body clamped by the three-dimensional protection side leakage prevention separation edge acts on the skin of the leg, friction and even strangulation of the contact part are easily caused in the using and moving process of a consumer; the embodiment of the utility model provides a three-dimensional protection encloses and prevents that edge leakage separates limit and turns over a structure (preferably twice a structure) for a lot of, and the angle of its linear elastomer of parcel and skin contact often reduces between 0 to 25, and under the condition of same effort, three-dimensional protection encloses and prevents that edge leakage separates the limit and thigh root skin contact angle is the smaller the elastomer and act on the power that skin also is the smaller, and the condition reduction range that takes place wearing and tearing skin or reining the trace is very big.

(2) The utility model provides a prevent reining in and dress and use absorbent articles for use is provided with the air cushion on its core body, can prevent that the back from leaking and within a certain time with certain degree internal isolation skin and excrement, reach the effect that keeps the regional skin of buttock clean.

Drawings

Fig. 1 is a perspective view of a diaper provided in an embodiment of the present invention;

fig. 2 is an expanded schematic view of a diaper provided in an embodiment of the present invention;

fig. 3 is a cross-sectional view of a diaper provided in an embodiment of the present invention;

fig. 4 is a top view of a core body according to an embodiment of the present invention;

fig. 5 is a schematic view of an air cushion provided by an embodiment of the present invention;

fig. 6 is a cross-sectional view of a core body provided in an embodiment of the present invention;

fig. 7 is a cross-sectional view of an anti-frail substructure provided in an embodiment of the present invention;

figure 8 is a schematic view of a hook and loop fastener according to an embodiment of the present invention;

fig. 9 is a schematic view of the punching of the anti-frail bottom structure according to the embodiment of the present invention;

fig. 10 is a schematic cross-sectional view of a linear elastomer provided in an embodiment of the present invention;

fig. 11 is a schematic view of the secondary folding of the edge leakage prevention partition provided in the embodiment of the present invention;

FIG. 12 is a prior art conventional three-dimensional enclosure folding structure;

FIG. 13 is a stress-strain diagram of a circular rubber band-phi 0.3mm cyclic test;

FIG. 14 is a stress-strain diagram of an elliptical rubber band-phi 0.3mm cycle test.

In the figure:

2. a core body; 3. an air cushion; 5. a trousers body; 6. a flow guide empty groove; 8. a liquid permeable top layer; 9. front waist patch; 10. a flow guiding layer; 12. a linear elastomer; 13. the side leakage prevention separation edge; 131. a first turnover body; 132. A second turnover body; 14. waist upper layer material; 15. an elastic waist band; 16. a back waist patch; 17. a magic hook is pasted; 18. the core body is coated with cloth; 20. an inner cloth body; 21. a through hole; 22. hot melt adhesive; 23. an outer cloth body; 24. a leak-proof elastic film; 31. wet strength glue; 32. urine shows glue; 41. arrow-shaped hooks.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In particular, in embodiments of the present invention, the term "upwardly facing" means that the absorbent surface of the absorbent article faces away from the ground and is parallel to the ground; by "vertical to the horizontal plane" is meant that the object is vertical to the ground and is in a parallel state vertically up and down in the corresponding state. The term "in the horizontal direction" means that the direction is parallel to the product surface and parallel to the ground surface.

The wearing absorbent articles described in the embodiments of the present invention include, but are not limited to, infant diapers, training pants, sanitary napkins, menstrual pants, adult diapers, incontinence pants, and the like.

The embodiment of the utility model provides an adopted non-woven fabrics material, including penetrating liquid surface course material, elasticity waistline material etc. all can directly acquire from the market, the utility model discloses the content of claiming does not relate to the improvement of material yet.

As shown in fig. 1-3, the present invention is embodied in a baby diaper, and the direction of the arrow in fig. 2 is the flow direction, which can also be referred to as the length direction. The utility model discloses a panty-shape diapers are along panty-shape diapers length direction central line bilateral symmetry. An air-cushion type paper diaper is characterized in that a diaper body is formed by bonding a plurality of layers of sheet-shaped non-woven fabrics, a sheet-shaped film and a linear elastic body 12 along the up-down direction, wherein the basis weights of the plurality of layers of sheet-shaped non-woven fabrics are the same or different, preferably the basis weights of at least part of the non-woven fabrics are different, and the non-woven fabrics used for forming each station of the paper diaper comprise but are not limited to hot air non-woven fabrics, melt-blown non-woven fabrics, spun-bonded non-woven fabrics, spunlace non-woven fabrics and the like. The adhesion means between the sheet-like bodies (including nonwoven fabric and sheet-like film) of the pants body includes, but is not limited to, hot-melt adhesive 22 adhesion, hot-roll adhesion, ultrasonic adhesion, and the like. Specifically, this panty-shape diapers include trousers body 5 and set up each part on the trousers body, for example, pass through liquid surface course 8, prevent the edge leakage and separate limit 13, back waist subsides 16, elastic waistline 15, prevent reining in the bottom structure, preceding waist subsides 9, magic hook subsides 17, linear elastomer 12, urine show glue 32 etc..

More specifically, as shown in fig. 2 and 3, in the diaper of the present invention, the structure of the diaper body can be decomposed into components such as the core body 2, the air cushion 3, the liquid permeable surface layer 8, the side leakage prevention barrier 13, the back waist tape 16, the front waist tape 9, the elastic waist band 15, the flow guide layer 10, the anti-strangulation bottom layer structure, the linear elastic body 12, the hook and loop fastener 17, and the urine display adhesive 32. Next, the connection relationship between the respective members will be described.

As shown in fig. 2, the core body 2 is preferably an irregular sheet-shaped body, a shape symmetrical to a central line along the central line is formed on the core body 2, an air cushion 3 is arranged inside the core body 2, the air cushion 3 is sealed by a transparent degradable soft rubber material and can bear 5kpa of pressure, and air is filled inside the core body. A liquid permeable surface layer 8 is vertical to the horizontal plane along the up-down direction, the liquid permeable surface layer 8 is arranged on the core body 2, and the liquid permeable surface layer 8 is in direct contact with the skin of the wearer. The side leakage preventing barrier 13 is arranged above the liquid permeable surface layer 8, and one side of the side leakage preventing barrier 13 close to the core body 2 is fixedly bonded with the liquid permeable surface layer 8. The side leakage preventing barrier 13 is also called a leakage preventing three-dimensional enclosure, and the three-dimensional enclosure formed by the side leakage preventing barrier 13 is fixed on the root of the thigh, the hip and two sides of the pudendum of the infant in a wearing state and is in direct contact with the skin of a wearer. The back waist subsides 16 set up in the one end of preventing the edge leakage and separating limit 13, back waist subsides 16 preferred set up at the right-hand member of preventing the edge leakage and separating limit 13, promptly with the corresponding one end in back waist, two are prevented all being provided with back waist subsides 16 on the edge leakage and separating limit 13, back waist subsides 16 can be made by non-woven fabrics, when using, the front waist subsides 9 of back waist subsides 16 collocation make trousers body 5 and each part constitute closed panty-shape diapers, panty-shape diapers change can not shift easily or drop when using, under the normal use condition, back waist subsides 16 can not contact with the wearer's skin. Elastic waist 15 sets up on the back waist, and elastic waist 15's both ends are connected with two side leakage prevention flange 13 respectively, can erect when panty-shape diapers use, and elastic waist 15 laminating back waist, with wearer's skin direct contact, perhaps, the length of liquidpermeable surface layer 8 is longer, and the extending of liquidpermeable surface layer 8 toward the back waist direction can partly or cover elastic waist 15 completely for elastic waist 15 part is direct not to contact with back waist. The flow guide layer 10 is arranged below the liquid permeable surface layer 8, the flow guide layer 10 is preferably made of non-woven fabric, the flow guide layer 10 can be made of coarse fibers, has a rough hand feeling, is arranged in a product and is not in direct contact with the skin of a wearer, and the coarse fibers are generally fibers of 2D or more, such as 3D fibers; preferably, the diversion layer 10 can be not as long as the core body 2 but as long as the liquid permeable surface layer 8, the diversion layer 10 mainly has the function of helping the product to conduct urine, and meanwhile, the diversion layer 10 plays a role of covering the core body 2 to prevent the water-absorbent resin in the absorption core from leaking; the flow guiding layer 10 is generally longer than the core body 2, and generally can be 80-100mm long, however, the width of the flow guiding layer 10 can be a little narrower than the core body 2, the flow guiding layer 10 is arranged in the center, the front end and the rear end (shown in fig. 2, also called as the left end and the right end of the core body 2) and the middle of the core body 2 are covered, and two side edges of the core body 2 are respectively covered by two side leakage preventing separation edges 13; in other words, the diversion layer 10 and the two side leakage-proof barrier edges 13 together cover the cut of the core body 2, so as to prevent the water-absorbent resin in the core body 2 from leaking outside. The anti-tightening bottom structure is arranged below the core body 2, the length and the width of the anti-tightening bottom structure are preferably larger than those of the core body 2, the anti-tightening bottom structure comprises an inner layer cloth body 20 (secondary bottom non-woven fabric), a leakage-proof elastic film 24 and an outer layer cloth body 23 (bottom non-woven fabric), the inner layer cloth body 20 (secondary bottom non-woven fabric), the leakage-proof elastic film 24 and the outer layer cloth body 23 (bottom non-woven fabric) are sequentially arranged from top to bottom, the leakage-proof elastic film 24 is a sheet-shaped film and is also called as a leakage-proof film, the leakage-proof film is not in direct contact with the skin, the outer layer cloth body 23 (bottom non-woven fabric) is arranged below the leakage-proof elastic film 24, the outer layer cloth body 23 is generally selected to be soft, and the non-woven material which is not prone to fluffing is extremely in direct contact with the inner portion of a thigh and a thigh region. Linear elastic bodies 12, the linear elastic bodies 12 are arranged between the side leakage preventing barrier edges 13 and the anti-reining bottom layer structure (preferably between the side leakage preventing barrier edges 13 and the inner layer cloth body 20 (secondary bottom layer non-woven cloth) of the anti-reining bottom layer structure), and the linear elastic bodies 12 are arranged in the side leakage preventing barrier edges 13, and the linear elastic bodies 12 are mainly concentrated on the thigh circumference and the back waist part and do not directly contact with the skin. The magic hook sticker 17 is arranged on the rear waist sticker 16, the magic hook sticker 17 is provided with arrow-shaped hooks 41 (shown in figure 8) which are arranged in an array mode, and when the magic hook sticker 17 is used, the arrow-shaped hooks 41 hook loose fibers of the front waist sticker 9 to form physical tension with certain strength. The front waist tape 9 is provided on an outer layer fabric 23 (bottom nonwoven fabric) of the tightening-preventing chassis structure, and is fixed to the front end portion (also referred to as the left end portion in fig. 2) of the outer layer fabric 23, that is, to the front waist of the user, and the front waist tape 9 faces the elastic waist band 15 provided on the side leakage preventing barrier 13, that is, faces forward and backward along the longitudinal direction of the pants body 5 (also referred to as the left and right sides in fig. 2). The diaper has a color development adhesive 32, the color of the urine development adhesive 32 changes from yellow to green or blue when the diaper is wetted, and the urine development adhesive 32 is preferably disposed between the inner fabric 20 (the sub-base nonwoven) and the leakage-proof elastic film 24.

Hereinafter, each part of the diaper of the present invention will be described in more detail.

Preferably, as shown in fig. 1, both sides of the elastic waistline 15 are bonded and fixed with the side leakage preventing barrier 13 arranged on both sides of the trouser body 5, and the joint is at the position of 1 circle X, the bonding mode can be ultrasonic bonding, thermal bonding or hot melt adhesive 22 bonding, most preferably ultrasonic bonding, and as a second option, thermal bonding is used, and as an alternative hot melt adhesive 22 bonding is used. After the elastic waistline 15 is bonded with the side leakage prevention separation edge 13, the paper diaper is in a tight state in the using process, the elastic waistline 15 can be erected at a certain angle, and a back leakage prevention protection enclosure is formed. The differences between the ultrasonic bonding method, the thermal bonding method, and the hot melt adhesive 22 bonding method will be described in detail below: the ultrasonic bonding technology utilizes high-frequency oscillation to instantly generate friction between molecules in two layers of materials to reach the melting point of the materials for bonding, and has the advantages of firm sewing, softness and no hard block. The thermal bonding is to heat the non-woven fabric material to a melting point through the heating of a thermal bonding roller, and then to perform pressurization and fusion, and has the advantages of simple equipment, poor welding temperature and strength which are not easy to control, and easy peeling or hard block. The adhesive bonding is the most common way, the hot melt adhesive 22 is sprayed on two layers of materials and is pressurized to reinforce without damaging the materials, the principle is simple, the bad point is that the process is complex to realize, and the production control stability is reduced.

Next, the air cushion 3 and the core body 2 provided with the air cushion 3 will be described in further detail. As shown in fig. 4-6, the cushion 3 includes a protruding portion and an embedded portion formed integrally, the embedded portion being disposed at the lower right of the protruding portion; the left side of the protruding part is inwards sunken to form a hollow part; the embedded portion is embedded in the core body 2.

More specifically, the cushion 3 includes integrally formed protruding portions and embedded portions; the protruding part is provided with a blocking tail part, a first extending part and a second extending part, wherein the first extending part and the second extending part respectively extend forwards from two ends of the blocking tail part and gradually approach (as shown in fig. 5, the first extending part and the second extending part also refer to the first extending part and the second extending part respectively extend from two ends of the blocking tail part to left and gradually approach), so that the protruding part is formed with an M-shaped hollow part; the embedded part is arranged at the bottom of the blocking tail part. The air cushion 3 has a shape similar to a heart, and can just support the ischias of the buttocks, so that the cushion has supporting force and can provide soft and comfortable feeling for a user. Moreover, the air cushion 3 forms an M-shaped hollow part, which can also play a role of isolating partial loose stools when the infants loose stools, and can more quickly make the urine seep downwards as for the urine, thereby playing an isolating role.

Furthermore, two peak positions of the M-shaped hollow part are both arc positions, the design accords with human mechanics, the excrement can be guided and received well, and the use comfort level is high. After the diaper is formed, a part of a sunken area is formed in the rear end area of the central line of the diaper perpendicular to the horizontal plane direction in the area of the M-shaped protruding part.

Further, first extension and second extension all include the link and extend the end, the link for with block the one end that the afterbody is connected, the width of first extension and second extension all diminishes from the link towards extending the end step by step, the first extension of air cushion 3 and the extension end of second extension all form the arc end, this kind of setting for the whole shape of air cushion 3 is just like the root of a tooth form, and is strong to the excrement inclusion, and use comfort is high.

Further, the air cushion 3 is an organic silica gel air cushion 3 or a polyethylene air cushion 3, and the air cushion 3 made of the two materials can well support the humerus part and is soft and comfortable.

Further, the air cushion 3 is sealed by transparent degradable soft rubber material, can bear the pressure of 5kpa, and is internally filled with air.

As a further embodiment, as shown in fig. 4 and 6, the air cushion 3 is disposed at the right end of the core body 2 along the length direction of the core body 2, the embedded portion of the air cushion 3 is embedded in the core body 2, and the opening of the M-shaped hollow portion faces the left end of the core body 2. The air cushion 3 is similar to a heart in overall shape, and can just support the ischias of the buttocks, so that the cushion has supporting force and can provide soft and comfortable feeling for a user. Moreover, the air cushion 3 forms an M-shaped hollow part, which can also play a role of isolating partial loose stools when the infants loose stools, and can more quickly make the urine seep downwards as for the urine, thereby playing an isolating role.

Further, as shown in fig. 4, the core body further comprises a flow guide empty groove 6, and the flow guide empty groove 6 is arranged on the core body 2; one end of the flow guide empty groove 6 is opposite to the opening of the M-shaped empty part, the end of the flow guide empty groove 6 opposite to the opening of the M-shaped empty part is marked as an opposite end, and the vertical distance F between the opposite end and the M-shaped empty part is 50-100mm, and is optimally 80 mm. According to the wearing condition of the infant and the position estimation of excretion, the flow guide empty slot 6 can guide the urine to the lower part of the air cushion 3 and diffuse the urine to all sides of the air cushion 3 through the lower part of the air cushion 3. Preferably, one end of the diversion empty groove 6 extends into the M-shaped empty part from the top view, so that excrement can be better guided, and urine can be better diffused particularly.

The diversion empty groove 6 is sunken downwards from the surface of the absorption core body, the diversion empty groove 6 cannot penetrate through the bottom of the absorption core body, the bottom of the absorption core body is still a continuous piece, and the attractiveness of a product cannot be influenced. The water conservancy diversion air channel 6 vertically sets up along 2 length directions of core body, can introduce the absorption core with the urine fast, indulges transverse diffusion. The diversion empty groove 6 is integrally formed by adopting a negative pressure fiber-accumulating drum through a special die, so that the absorption surface area can be increased when the diversion empty groove is used, and meanwhile, the excrement (mainly urine) along the length direction of the horizontal plane of the absorption core body can be quickly conducted; according to the test results, the diffusion length of the absorbent core using the flow-directing channels 6 is greatly increased, for example by 40mm, compared to the diffusion length of the absorbent core not using the flow-directing channels 6, and the conversion percentage can be increased by 18-20% or even more. The longer the diffusion length of the product is, the larger the urine absorption area is, the lower the rewet amount is, and the better the dryness is.

Further, the flow guide empty groove 6 is a linear empty groove which is distributed symmetrically along the center line of the core body 2 in the length direction, the center line of the linear empty groove in the width direction of the core body 2 is divided into a left part and a right part, the length ratio of the left end part to the right end part of the linear empty groove is 6 (3-5), preferably 6:4, as shown in fig. 2, the length ratio of the left end part to the right end part of the linear empty groove is 6: 4; the length of the flow guide empty groove 6 is 100-200mm, and is optimally 180 mm; the width of the flow guide empty groove 6 is 8-15mm, and is 10mm as the best choice; the depth of the flow guide empty groove 6 is 2-4mm, the best choice is 2.5mm, the depth of the flow guide empty groove 6 is controlled to be about 2.5mm, the absorption core body can be ensured not to be perforated, and the water-absorbing resin on a production machine table cannot run out to influence production; meanwhile, the absorbing core is more attractive, and the defect in the middle of the absorbing core body can not be felt. In addition, the diversion grooves 6 may be formed in other shapes, such as a wave-shaped curved shape, a Z-shaped shape, or a shape with a front end and a rear end having different widths, and the diversion grooves 6 may be formed to have uniform depths as a whole in design, but may have different depths, such as a shallow depth of the front end portion and a deep depth of the end near the air cushion 3, and the depth of the diversion grooves 6 gradually becomes deeper from front to rear. The number of the guide grooves 6 is not limited to one, and two, three or other suitable numbers may be provided.

Further, along the length direction of the core body 2, the width of the left end of the core body 2 is C, the width of the right end is B, and the width B is 1.5-2.0 times of the width C. The absorbent core body is a special-shaped cotton core, and the width C of the left end of the core body 2 is preferably 90mm and the width B of the right end is preferably 150mm along the length direction of the horizontal plane. That is, the outer contour of the core body 2 is similar to the side section of a dumbbell with one large end and one small end; compared with the traditional absorbing core, the special-shaped absorbing core has the following advantages: on one hand, the absorption core body has larger absorption area and is more convenient for urine to diffuse; on the other hand, the utility model can wrap the buttocks and is helpful to prevent urine leakage; and thirdly, the whole absorption core body still maintains a whole block, the whole appearance of the product is not influenced, and the product is attractive and elegant.

Further, as shown in fig. 6, the embedded portion of the air cushion 3 is embedded downward into the core body 2, and the vertical distance H between the bottom wall of the embedded portion and the bottom of the core body 2 is 1-5mm, preferably 2 mm; the protruding part of the air cushion 3 protrudes upwards from the surface of the core body 2, the height of the protruding part is 2-8mm, the highest height of the protruding part is 5mm as the best choice, and in the sitting posture that the baby wears the paper diaper, the protruding 5mm air cushion 3 deforms because the weight of the baby is pressurized, the height is reduced, and the best choice is that the height is reduced to about 2mm of the protruding absorption core. Preferably, the bottom of the protruding portion of the air cushion 3 is spaced from the surface of the core body 2 by a certain distance, and the two are not in contact, and the height of the topmost surface of the protruding portion is 2-8mm, preferably 5mm, from the surface of the core body 2.

Further, as shown in fig. 3, the air cushion further comprises a core covering cloth 18, wherein the core covering cloth 18 covers the core body 2 and the surface of the air cushion 3; alternatively, the core wrap 18 completely wraps the core body 2 and the air cushion 3. The air cushion 33 and the core body 2 are covered by the hot air non-woven fabric of the skin-friendly layer from top to bottom in the process of manufacturing the paper diaper, and are not in direct contact with the skin. The core wrap 18 is preferably a through-air hydrophilic nonwoven, a spun-bonded hydrophilic nonwoven, or wet-strength paper, and functions to wrap the absorbent core so that the water-absorbent resin inside the absorbent core is not exposed.

Further, the core body 2 is formed by mixing wood pulp fibers and SAP (polymer resin), and an air cushion 3 and a flow guide groove 6 are arranged inside the core body 2.

Further, as shown in fig. 3, wet strength adhesive 31 is used to fix the core body 2, and the wet strength adhesive 31 is a special adhesive type of the hot melt adhesive 22, and can maintain more than 80% of viscosity after wetting.

The arc-shaped cutting angle and the cutting depth formed by the pant body 5 will be described in further detail below.

As a further embodiment, as shown in fig. 2, the pant body 5 comprises a front waist portion, a rear waist portion, and a crotch portion interconnecting the front and rear waist portions; the connecting part of the front waist part and the crotch part forms a first circular arc, the connecting part of the rear waist part and the crotch part forms a second circular arc, and the radius of the first circular arc is smaller than that of the second circular arc; when the trousers body 5 is unfolded and horizontally and transversely placed, the width of the crotch part is gradually increased along the horizontal direction from the front waist part to the rear waist part; namely, when the trousers body 5 is unfolded and horizontally and transversely placed along the length direction, the height of the horizontal plane where the upper side edge of the crotch is positioned is gradually increased from the left side to the right side, namely, the cutting depth of the crotch on the left side is deeper than that of the crotch on the right side; when the trousers body 5 is unfolded and horizontally placed along the length direction, the structure of the trousers body is vertically symmetrical along the length direction center line, namely, the height of the horizontal plane where the upper side edge of the crotch is located is gradually increased from the left side to the right side, and correspondingly, the height of the horizontal plane where the lower side edge of the crotch is located is gradually reduced from the left side to the right side. The design mode can prevent the front root part and the groin part of the thigh of a user from being tightened when the paper diaper is worn, and can simultaneously prevent the hip part and the rear root part of the thigh from leaking; in the prior art, the front and back cutting depths of the crotch are not finely distinguished.

As shown in fig. 2, the junction of the front waist portion and the crotch portion forms a first arc, the radius of which is designated as radius a, the junction of the rear waist portion and the crotch portion forms a second arc, the radius of which is designated as radius B, and radius a is smaller than radius B. Or if the angle is described, the included angle formed by the joint of the front waist part and the crotch part is represented as R1, the included angle formed by the joint of the rear waist part and the crotch part is represented as R2, the angle of R1 is smaller than that of R2, and the angle of R1 is set to be 40-45 degrees, preferably 45 degrees; the angle of R2 is set to 50-55 °, preferably 50 °. Meanwhile, the right side of the horizontal plane of the upper side edge of the crotch part is 15-20mm higher than the left side at most. The radius of the first arc is smaller than that of the second arc, the angle of the R1 is smaller than that of the R2, in a wearing state, the left end position of the R1 is wrapped in front of thighs, and the right end position of the R2 is wrapped in buttocks, so that the small buttocks can be wrapped by the aid of convenient movement, and the small buttocks cannot leak out.

The liquid-permeable top sheet 8 will be described in further detail below.

As a further embodiment, as shown in fig. 3, the core body 2 is covered with a liquid-permeable surface layer 8, the liquid-permeable surface layer 8 includes a surface layer fiber upper layer and a surface layer fiber lower layer, the fiber fineness of the surface layer fiber upper layer is smaller than that of the surface layer fiber lower layer, and the average fiber length of the surface layer fiber upper layer is larger than that of the surface layer fiber lower layer. The liquid permeable surface layer 8 adopts upper and lower fiber layers with different fiber fineness and fiber length for reasonable collocation, and has strong liquid transmission and liquid guiding capability and low reverse osmosis rate. The embodiment of the utility model provides a when preparing liquidity surface 8, surface course fibre upper strata and surface course fibre lower floor are through the flow line on the horizontal plane, and protruding roller is walked around to surface course fibre upper strata, and concave roller is walked around to surface course fibre lower floor, finally makes the surface course non-woven that the one deck has three-dimensional decorative pattern through the hot rolling in heating smooth roll department is compound.

Further, the upper layer of the surface layer fiber is a fine fiber material, the fineness of the fine fiber is 1.2D-1.5D, and 1.2D or 1.5D is preferred; the lower layer of the surface layer fiber is coarse fiber material, and the fineness of the coarse fiber is 2.0D-3.0D, preferably 2.0D or 3.0D. The upper layer adopts fine fibers, the lower layer adopts coarse fibers, the discomfort caused by skin contact can not be generated, the liquid is soft and smooth, the liquid guiding effect is good, and the reverse osmosis rate is low.

Furthermore, the upper layer of the surface layer fiber is long fiber material, and the cutting length of the long fiber is 45-60mm, preferably 38 mm; the lower layer of the surface layer fiber is a mixture of short fiber and long fiber, the cut length of the short fiber is 30-45mm, and the cut length of the long fiber is 45-60mm, preferably 51 mm.

Further, the non-woven fabric on the upper layer of the surface layer is preferably a fine fiber and long fiber material, and the non-woven fabric on the lower layer of the surface layer is carded by mixing relatively coarse fibers and long and short fibers, or the non-woven fabric on the upper layer of the surface layer is hot air non-woven fabric, and the non-woven fabric on the lower layer of the surface layer is spun-bonded non-woven fabric; the two combination modes can effectively reduce the water content of the surface layer, simultaneously accord with the siphon principle, and can obtain better dry and comfortable experience in the actual use process.

Furthermore, the fibers on the upper layer of the surface layer fibers are skin-core structure fibers, and the skin-core structure fibers comprise skin layer fibers and core layer fibers which are in concentric circle structures; alternatively, the sheath-core structure fibers include sheath fibers and core fibers in an eccentric configuration. The fibrous melting point of cortex is less than the fibrous melting point of sandwich layer, and the fibrous rigidity of sandwich layer is greater than the fibrous rigidity of cortex, and the sandwich layer has stronger rigidity promptly, can satisfy the surface course and roll into various decorative patterns, and the cortex is the low melting material, mainly plays the adhesive action when hot-blast carding takes shape, and the hot-blast non-woven fabrics of this kind of combination compares in conventional hot-blast non-woven fabrics, feels more fine and more smooth, soft. And, the top layer of surface course fiber adopts concentric circle design, and the cortex fusing point is lower, and the sandwich layer rigidity is great, can reflect the knurling effect of surface course better, perhaps punch the effect, can keep certain shape. In addition, when the upper layer of the surface layer fiber is PE/PET fiber, the surface layer fiber can also be made into an eccentric fiber structure instead of a concentric circle structure, and the eccentric fiber structure has better liquid guiding effect.

Further, the upper layer of the surface layer fiber is hot air non-woven fabric; the surface layer fiber lower layer is hot air non-woven fabric or spun-bonded non-woven fabric. Preferably, the upper layer of the surface layer fiber and the lower layer of the surface layer fiber are both made of hot air non-woven fabrics, the two kinds of hot air non-woven fabrics on the horizontal plane pass through a flow line, the upper layer hot air fabric bypasses a convex roller, the lower layer hot air fabric bypasses a concave roller, and finally the surface layer non-woven fabric with the three-dimensional patterns is manufactured at a heating smooth roller through compounding and hot rolling.

The embodiment of the utility model provides a panty-shape diapers realize that the surperficial excrement is low to remain and is close zero remaining effect even through effectual fibre thickness collocation and effective isolation.

Next, the elastic waist band 15 will be described in further detail.

As a further embodiment, as shown in fig. 2, the pant body 5 further comprises an elastic waist band 15, the elastic waist band 15 is disposed on the back waist portion, and the elastic waist band 15 comprises three layers of materials, which are respectively denoted as a waist upper layer material 14, a waist middle layer material and a waist lower layer material; the waist upper layer material 14 is a spun-melt non-woven fabric, and the waist middle layer material is an elastic layer material, preferably an elastic film or an elastic layer composed of a plurality of elastic rubber bands; the waist lower layer material is spun-bonded nonwoven fabric or spun-bonded nonwoven fabric. The elastic waist 15 has stretching and contracting functions in both the longitudinal direction and the width direction. The elastic rubber strips have strong elongation and rebound rate, and the cross section of the linear elastic body 12 is preferably elliptical.

Furthermore, the waistline middle layer material is a flat layer and is arranged in a plane, and the waistline upper layer material 14 and the waistline lower layer material are respectively arranged above and below the middle flat layer in a corrugated shape; preferably, the waist upper layer material 14 is arranged above the middle flat layer in a wavy fold shape, and the waist lower layer material is arranged below the middle flat layer in a wavy fold shape, so that the waist upper layer material has good setting shrinkage performance and can improve the wearing comfort.

The manner in which the side leakage prevention barriers 13 are arranged is further described below.

As shown in fig. 12, the conventional side leakage preventing barrier 13 is not folded many times, and is generally formed by folding a non-woven fabric of the barrier once, and an elastic body is arranged in the folded structure; and the embodiment of the utility model provides a three-dimensional fender prevents that edge leakage separates limit 13 and turns over a time again at least on the basis that conventional realization was realized, absorbs simultaneously to be provided with air cushion 3 on the body, can prevent the back hourglass, and can realize within a certain time, certain degree within the isolation skin and excrement, reaches the effect that keeps the regional skin of buttock part clean.

As a further implementation manner, as shown in fig. 3 and 11, the side leakage prevention barrier 13 provided by the embodiment of the present invention includes a barrier body, and the barrier body is turned over for at least the first time and turned over for the second time to form a multi-turn-over structure, so that at least four layers of barrier bodies are formed on one side of the side leakage prevention barrier 13 close to the crotch of the pants body, and an elastic body is arranged between at least two adjacent layers of barrier bodies; the multi-turn structure comprises a first turn body 131 and a second turn body 132 from bottom to top, and the width of the upper layer partition body of the first turn body 131 is larger than that of the lower layer partition body so as to completely cover the lower layer partition body; both ends of the bottom of the second flip-flop 132 are adhered and fixed to the top surface of the first flip-flop 131 by the hot melt adhesive 22. The partition body is preferably folded twice to form a secondary folding structure, and of course, three or more times of folding can be realized. The folding body is preferably SMS spun-melt non-woven fabric, and the hydrostatic pressure is large, and the folding body is soft and comfortable.

Further, as shown in fig. 2, the elastic body setting stations on the side leakage preventing partition 13 are leg-surrounding contraction bodies respectively arranged at two sides of the body of the diaper in the horizontal direction, and the elastic body on the side leakage preventing partition 13 at each side is preferably 2-5, most preferably 2 or 3, which can provide good contraction capability and does not tighten legs.

Furthermore, the partition body is folded for the first time and folded for the second time to form a twice-folded structure, so that four layers of partition bodies are formed on one side of the side leakage prevention partition 13 close to the crotch of the trousers body, and an oval elastic body is arranged between the two layers of partition bodies on the upper side; the double-folding structure comprises a first folding body 131 and a second folding body 132 from bottom to top, an oval elastic body is arranged in the second folding body 132, and the folding width of the second folding body 132 is 12-15 mm. The embodiment of the utility model provides a three-dimensional protection encloses prevents that edge leakage separates limit 13 turns over a turn over once again outward (toward the direction of keeping away from crotch portion) on the basis that the limit structure was once turned over to the conventionality, turns over a width and is 12-15 mm. In actual production, the method can be realized by the following steps: when the three-dimensional enclosure side leakage preventing partition edge 13 is formed by turning over at one time conventionally, the three-dimensional enclosure side leakage preventing partition edge is folded by a set of folding plates, and the two ends of the non-woven fabric of the three-dimensional enclosure side leakage preventing partition edge 13 are fixed by applying glue discontinuously through the hot melt adhesive 22 before folding, so that the station is realized. Compared with the conventional one-time folding partition edge, the side leakage prevention partition edge 13 formed by twice folding has the following advantages: the contact angle between the common three-dimensional guard side leakage prevention separation edge 13 and the skin at the root of the thigh is between 30 degrees and 90 degrees, and when the linear elastic body 12 clamped by the three-dimensional guard side leakage prevention separation edge 13 acts on the skin of the leg, friction and even strange marks are easily caused at the contact part in the using and moving process of a consumer; the embodiment of the utility model provides a linear elastomer 12 that the three-dimensional enclosure of rolling over a pair of book was prevented that edge leakage separates 13 parcel and skin contact's angle often reduces between 0 to 25, and under the condition of same effort, the three-dimensional enclosure is prevented that edge leakage separates 13 and thigh root skin contact angle is the little the elastomer and is acted on the power that skin also is little, and the condition reduction range that takes place wearing and tearing skin or reining the trace is very big.

As a further embodiment, as shown in fig. 10, the elastic body in the side leakage preventing barrier 13 is a leg gather, the elastic body is an elastic band, and the cross section of the elastic body may be a circle, a straight strip or an ellipse, and is most preferably an ellipse. When the radius r of the rubber band with the circular cross section is equal to a, the area of the rubber band with the oval cross section is different when the shortest radius r of the rubber band with the oval cross section is equal to a, and the area of the rubber band with the oval cross section is multiple times of the area of the rubber band with the oval cross section; the ductility and the contractibility of the elastic material are evaluated, and when the stretching ratio of the elastic band with the same material and the elastic band with the oval cross section reaches 3 times, the tension of the elastic band with the same material is several times that of the elastic band with the circular cross section. Meanwhile, because the circumferences of the rubber bands are different, the circumference of the rubber band with the oval cross section is longer, and the peel strength and the creep resistance which are tested after the rubber band with the oval cross section and the non-woven fabric wrapped with the elastomer material are bonded by the hot melt adhesive 22 are all times of those of the rubber band with the circular cross section. Synthesize these two kinds of cross section rubber bands's various performances, the part that oval rubber band elastic material used compares in circular cross section rubber band elastic material volume of applying glue more even, and the peel strength is stronger, and the product that shows is softer also has more travelling comfort and ductility.

Further, the edge body is formed by bonding an upper layer of non-woven fabric and a lower layer of non-woven fabric through hot melt adhesive 22, namely the edge body comprises an upper layer of non-woven fabric and a lower layer of non-woven fabric, and the hot melt adhesive is arranged between the upper layer of non-woven fabric and the lower layer of non-woven fabric. In this case, the elastic body is preferably disposed between two nonwoven fabrics, and the elastic body can be stably sandwiched from the outside. The upper and lower layers of non-woven fabrics are preferably SMS spun-melt non-woven fabrics, the hydrostatic pressure of the SMS spun-melt non-woven fabrics is more than 120mm of water column, and the SMS spun-melt non-woven fabrics have certain softness. During manufacturing, the elastic body is wrapped between two layers of non-woven fabrics, and the elastic body is folded after being wrapped, which is similar to a Z shape.

The anti-tie bottom structure of the embodiment of the present invention is further described below.

As a further embodiment, as shown in fig. 7 and 9, the anti-fraying layer structure is a cross-sectional view along the length direction, and comprises an inner layer cloth 20, an anti-leakage elastic film 24 and an outer layer cloth 23, wherein the inner layer cloth 20 is fixed above the anti-leakage elastic film 24 in a wave-corrugated shape, the outer layer cloth 23 is fixed below the anti-leakage elastic film 24 in a wave-corrugated shape, and the wave-corrugated folds formed by the inner layer cloth 20 are opposite to the wave-corrugated folds formed by the outer layer cloth 23 one by one; alternatively, the wavy folds formed by the inner cloth body 20 and the wavy folds formed by the outer cloth body 23 are partially or completely staggered up and down. The wavy wrinkles formed by the inner layer cloth body 20 and the outer layer cloth body 23 extend from the front waist portion to the rear waist portion in the worn state. The embodiment of the utility model provides a prevent reining in substructure, wholly take the fold design, leak protection elastic film 24 is in the tensile state when the wearing state, and the wave fold of inlayer cloth 20 and outer cloth 23 can straighten, presents the state with the parallel of leak protection elastic film 24 syntropy, and actual tensile multiplying power can realize reaching at least 150%, and this design can prevent that panty-shape diapers from wearing the in-process and can reing in skin or restricted when doing some actions. When carrying out wave fold's fixed, the embodiment of the utility model provides an adopt the pectination frictioning, that is to say glue the shape and scrape out like the comb, one is scraped at the interval certain distance, does not have gluey local natural shrinkage on the leak protection elastic film 24, has the fixed material (inlayer cloth 20, leak protection elastic film 24 and outer cloth 23) about in gluey place, makes the product have the elasticity to it is very soft. Here, it is preferable that the squeegee width is set to 3mm and the interval is set to 10 mm.

Further, the inner layer cloth body 20 is fixed above the leakage-proof elastic film 24 in a wavy fold shape, the maximum width of the wavy fold shape formed by the inner layer cloth body 20 is 5-15mm, and the width of a fixing and bonding station of the inner layer cloth body and the leakage-proof elastic film 24 is 1-5 mm. The outer layer cloth body 23 is fixed below the leakage-proof elastic film 24 in a wave-shaped corrugation shape, the maximum width of the wave-shaped corrugation formed by the outer layer cloth body 23 is 5-15mm, and the width of a fixed bonding station of the outer layer cloth body 23 and the leakage-proof elastic film 24 is 1-5 mm.

Further, the inner layer cloth body 20 and the outer layer cloth body 23 are sequentially fixed above and below the leakage-proof elastic film 24 in a regular wavy fold shape, the fixing positions are marked as glue bonding positions, and the glue bonding positions are provided with penetrating holes 21. The penetrating hole 21 can quickly penetrate out hot air outside the skin, and the stuffy feeling is not generated, so that the wearing experience is more comfortable. The adhesive strength is reduced by punching the adhesive position, but the product is softer, and the product can achieve the effect of ventilation and is not unsightly because the product is in a semi-telescopic state when in use. During production, the perforation is preferably performed by needle puncture. As shown in fig. 9, the glue applying site is actually flat, and here, the glue applying site is drawn in a stripe shape in order to show the through holes 21, and the through holes 21 are provided at overlapping bonding positions of the inner layer fabric body 20, the leakage-proof elastic film 24, and the outer layer fabric body 23.

Further, the penetrating hole 21 is a micro circular hole.

Further, the inner layer cloth body 20 is fixed above the leakage-proof elastic film 24 in a regular semi-circular tube corrugated shape, the outer layer cloth body 23 is fixed below the leakage-proof elastic film 24 in a regular semi-circular tube corrugated shape, and the semi-circular tube corrugations formed by the inner layer cloth body 20 and the semi-circular tube corrugations formed by the outer layer cloth body 23 are opposite up and down one by one. That is, the inner layer cloth 20 and the outer layer cloth 23 are provided symmetrically with respect to the leakage-proof elastic film 24 as a plane of symmetry, and can be stretched in a replaceable manner during use, and are soft and comfortable.

Further, the leak-proof film is a polyurethane elastic film, and the inner layer fabric body 20 and the outer layer fabric are both nonwoven fabrics.

The embodiment of the utility model provides a paper diaper, include trousers body 5, core body 2 and be provided with air cushion 3 on core body 2. The body of the paper diaper comprises a surface layer non-woven fabric (liquid-permeable surface layer 8) and a cavity formed by a bottom layer non-woven fabric (outer fabric body 23 of anti-strangling bottom layer structure), a sheet film (anti-leakage elastic film 24 of anti-strangling bottom layer structure) and a secondary bottom layer non-woven fabric (inner fabric body 20 of anti-strangling bottom layer structure) which are arranged under the surface layer non-woven fabric and perpendicular to the horizontal plane, wherein the cavity is internally provided with a wrapping non-woven fabric (core wrapping fabric 18) wrapping a core body, the core wrapping fabric 18 wraps the core body 2 in an omega shape from top to bottom, the core body is internally embedded with an air cushion 3, the core body 2 is provided with a hollowed groove (flow guide hollow groove 6) along the central line of the length direction, and a certain distance is reserved between the hollowed groove and the air cushion 3; the three-dimensional protecting and enclosing partition edge non-woven fabric (the side leakage prevention partition edge 13) is folded outwards twice along the central line of the length direction perpendicular to the horizontal plane; the bottom layer structure is provided with regular folds, and the bonding part is provided with air holes. The embodiment of the utility model provides a panty-shape diapers drain ability is good, and elastic shrinkage nature is good, prevents to tie effectually, and the comfort level of wearing is high.

Effect verification

1. Air cushion shaped core structure performance test

In order to test the utility model discloses the panty-shape diapers that have air cushion 3 and water conservancy diversion dead slot 6 that the implementation provided have better performance, the embodiment of the utility model provides a different (a few style panty-shape diapers are different except the core structure, and all the other parts are the same) according to panty-shape diapers core structure, several style panty-shape diapers have contrastively tested, and the test foundation is shown with the test result as following table 1.

Table 1 core structure performance test result recording table

From the data in table 1, the following conclusions can be drawn:

A. the paper diaper with the air cushion and the diversion trench has the fastest absorption speed, which is nearly 50% faster than that of the common paper diaper without the air cushion and the diversion trench;

B. the paper diaper with the air cushion and the diversion trench has the best dryness, and the rewet amount is only about 1/25 of the common paper diaper compared with the common paper diaper;

C. the slip amount of the diaper with the air cushion and the diversion trench is zero, and the diaper without the air cushion and with the diversion trench (the diaper control sample 2) is easy to leak urine. It can be seen that the embodiment of the utility model provides a core structural performance with air cushion and guiding gutter is optimal.

2. Circular rubber band and oval rubber band cycle test

In order to verify the performance of circular elastomer and oval elastomer, the embodiment of the utility model provides a circular rubber band carries out the circulation test with oval rubber band.

2.1 test purposes

The stress-strain test is carried out on the rubber bands with different cross sections and the same type by adopting the same test method, and the stress test of the two different rubber bands is compared.

2.2 test conditions

2.2.1 sample and basic set-up

TABLE 2 sample and basic set-up

Length of test piece	50mm
		Type of test	Cycle testing
Initial load	0.29cN
		Capacity selection	10kg

2.2.2 cycle test procedure

TABLE 3 Cyclic test procedure

3. Test results

3.1 round rubber band-phi 0.3mm

FIG. 13 is a stress-strain diagram of circular rubber band-0.3 mm diameter cycle test.

3.2 oval rubber band-phi 0.3mm

FIG. 14 is a stress-strain diagram of an elliptical rubber band-phi 0.3mm cycle test.

TABLE 4 significance of tension and Return force codes

Morphing code	Of significance
		TP101	1st stretch	100% deformation
TP201	1st stretch				200% deformation
		TP301	1st stretch	300% deformation
TM103	1st recovery of 300% deformation
		TM102	1st recovery of 200% deformation
TM101	1st recovery of 100% deformation
		TP201	2nd elongation 100% deformation
TP202	2nd elongation 200% deformation
		TP203	2nd elongation 300% deformation
TM203	2nd recovery of 300% deformation
		TM202	2nd recovery of 200% deformation
TM201	2nd recovery of 100% deformation
		TP301	3rd tensile 100% deformation
TP302	3rd tensile 200% deformation
		TP303	3rd tensile 300% deformation
TM303	3rd tensile 300% deformation
		TM302	3rd tensile 200% deformation
TM301	3rd tensile 100% deformation
		TP401	4th elongation 100% deformation
TP402	4th stretch 200% deformation
		TP403	4th elongation 300% deformation
TM403	4th recovery of 300% deformation
		TM402	4th recovery of 200% deformation
TM401	4th recovery of 100% deformation
		TP501	5th elongation 100% deformation
TP502	5th stretch 200% deformation
		TP503	5th elongation 300% deformation
TM503	5th recovery of 300% deformation
		TM502	5th recovery rate is 200%Amount of deformation
TM501	5th recovery of 100% deformation

TABLE 5 specific values of tensile and restoring forces

The following conclusions can be drawn from the records of FIGS. 13-14, and tables 3-5:

A. the rubber string with the diameter of 0.3mm is tested by the same test method, 10 rubber strings with circular or oval cross sections are tested, and the data analysis shows that the difference of each rubber string test result group is very small, and the repeatability is very good.

B. The larger the cross-sectional area is, the larger the tension and restoring force are, as can be seen from different rubber string tension and restoring force trends; the rubber band with the diameter of 0.3mm is also adopted, and the tension and the restoring force of the elliptical rubber band are about 3.0 times of those of the circular rubber band by 1.4-1.6 times.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. An absorbent article for preventing tightening is characterized by comprising a pants body, wherein the pants body is provided with a core body with an air cushion, and the air cushion is arranged at the right end of the core body; the trousers comprise a trousers body and are characterized in that two sides of the trousers body are provided with side leakage prevention partition edges, each side leakage prevention partition edge comprises a partition edge body, the partition edge bodies are folded for the first time and folded for the second time to form a multi-folding structure, so that at least four layers of partition edge bodies are formed on one side, close to the crotch of the trousers body, of each side leakage prevention partition edge, and an elastic body is arranged between at least two adjacent layers of partition edge bodies; the multi-turn structure comprises a first turn body and a second turn body from bottom to top, and the width of the upper layer partition body of the first turn body is larger than that of the lower layer partition body so as to completely cover the lower layer partition body; the front end and the rear end of the bottom of the second turnover body are fixedly bonded with the top surface of the first turnover body through hot melt adhesives.

2. The anti-fraying absorbent wearing article of claim 1 wherein said barrier body is folded over a first time and folded over a second time to form a double-folded structure such that said side leakage barrier has four layers of barrier bodies on the side adjacent to the crotch of said pant body, wherein an oval-shaped elastic body is disposed between the two layers of barrier bodies; the double-turnover structure comprises a first turnover body and a second turnover body from bottom to top, and the turnover width of the second turnover body is 12-15 mm.

3. The absorbent article of claim 1 wherein said barrier body comprises an upper nonwoven and a lower nonwoven, said upper nonwoven and said lower nonwoven having a hot melt adhesive disposed therebetween.

4. The absorbent article of claim 1 wherein said cushion comprises integrally formed tabs and inserts; the protruding part is provided with a blocking tail part, a first extending part and a second extending part, wherein the first extending part and the second extending part respectively extend forwards from two ends of the blocking tail part and gradually approach to each other in a tilting mode, so that the protruding part is formed with an M-shaped hollow part; the embedding part is arranged at the bottom of the blocking tail part, the embedding part is embedded in the core body, and the opening of the M-shaped hollow part faces to the left end of the core body.

5. The absorbent article for anti-snare wearing of claim 4, wherein said core body is provided with a flow guide groove, one end of said flow guide groove is opposed to an opening of said M-shaped recess, an end of said flow guide groove opposed to said opening of said M-shaped recess is referred to as an opposite end, and a vertical distance between said opposite end and said M-shaped recess is 50 to 100 mm.

6. The absorbent article for wearing in a manner of tightening as claimed in claim 5, wherein said flow-guiding grooves are straight grooves symmetrically distributed along the center line of said core body in the longitudinal direction, said straight grooves are divided into left and right parts along the center line of said core body in the width direction, and the ratio of the lengths of the left end part and the right end part of said straight grooves is 6 (3-5); the length of the flow guide empty groove is 100-200mm, the width is 8-15mm, and the depth is 2-4 mm.

7. The absorbent article of claim 1 wherein said core body has a width C at a left end and a width B at a right end along a length of said core body, said width B being 1.5-2.0 times said width C.

8. The absorbent article for anti-snare wearing of claim 4, wherein said embedded portion of said air cushion is embedded downward into said core body, and a vertical distance between a bottom wall of said embedded portion and a bottom of said core body is 1 to 5 mm; the protruding part of the air cushion protrudes upwards from the surface of the core body, and the height of the protruding part is 2-8 mm.

9. The absorbent article of claim 1 wherein an anti-fray chassis is disposed beneath said core body, said chassis comprising an inner panel, an elastic leakproof film, and an outer panel, said inner panel and said outer panel being secured in a corrugated configuration above and below said elastic leakproof film, respectively.

10. The absorbent article for anti-fraying wearing of claim 9 wherein said inner layer fabric and said outer layer fabric are sequentially and respectively secured above and below said elastic leakproof film in the form of regular semi-circular tubular gathers, the points of securement are designated as adhesive bonding stations, and said adhesive bonding stations are provided with through holes.

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