Pet diaper

Abstract

To provide a pet diaper capable of preventing misalignment caused by the wagging motion of a pet's tail.SOLUTION: A pet diaper 1 comprises a body part 2. The body part 2 includes: a front surface sheet 3; a rear surface sheet 4; an absorbent core 11; and an elastic member 8, which is disposed to extend along the outer edge part 2c of the body part 2 and which contracts in a longitudinal direction Y. In the body part 2, a tail insertion part 6 is provided at a portion on the back side with respect to the absorbent core 11. A pair of cut parts 9, which have a prescribed length in the longitudinal direction Y and penetrate the body part 2 in a thickness direction Z, is provided in a region that is located on the inside of the elastic member 8 in a width direction X and on the abdominal side with respect to a line L2 connecting an intersection point P1, at which a line L1 extending along the elastic member 8 in the longitudinal direction Y crosses the back-side end part 2b of the body part 2, and the back-side end part P2 of the tail insertion part 6.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present disclosure relates to pet diapers.

Background Art

[0002] Conventionally, pet diapers for pets such as dogs and cats have been known. For example, Patent Document 1 discloses a pet diaper provided with a tail insertion portion (cut) for inserting a pet's tail through a portion dorsal to the absorbent core.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In such pet diapers, there has been a risk of side leakage of excrement due to a wearing shift in which the pet diaper shifts from the pet's body as the pet moves (for example, an action of wagging the tail from side to side).

[0005] Therefore, an aspect of the present disclosure aims to provide a pet diaper capable of suppressing the occurrence of wearing shift associated with the movement of a pet.

Means for Solving the Problems

[0006] A pet diaper according to one aspect of the present disclosure is a pet diaper to be worn by a pet, and includes a main body portion having a longitudinal direction connecting the pet's ventral side to its dorsal side and a width direction perpendicular to the longitudinal direction, the main body portion having a top sheet that is arranged in a position facing the pet's skin when the pet diaper is worn on the pet, a back sheet that is arranged on the opposite side to the pet's skin when the pet diaper is worn, an absorbent core that is arranged between the top sheet and the back sheet, and an elastic member that is arranged extending in the longitudinal direction along an outer edge of the main body portion in the width direction and that contracts in the longitudinal direction, A tail insertion section for inserting the tail of a pet is provided in a portion on the back side of the absorbent core, and a pair of cut sections are provided on both sides of the center line of the body in the width direction, sandwiching the center line of the body in the width direction, in an area on the ventral side of a second line connecting an intersection of a first line extending in the longitudinal direction along the elastic member and the back end of the body and the back end of the central part of the tail insertion section in the width direction, and on the inner side of the elastic member in the width direction, and each of the pair of cut sections has a predetermined length in the longitudinal direction and penetrates the body in the thickness direction of the body. [Effects of the Invention]

[0007] According to the present disclosure, a pet diaper that can prevent slippage caused by a pet's movements can be provided. Brief Description of the Drawings

[0008]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Embodiments for Carrying Out the Invention

[0009] From the description in this specification and the accompanying drawings, at least the following aspects 1 to 15 become apparent.

[0010] (Aspect 1) A pet diaper to be worn on a pet, comprising a main body portion having a longitudinal direction connecting the ventral side to the dorsal side of the pet and a width direction orthogonal to the longitudinal direction, The main body portion a surface sheet disposed at a position facing the pet's skin in a worn state where the pet diaper is worn on the pet, a back sheet disposed on the side opposite to the pet's skin side in the worn state, an absorbent core disposed between the surface sheet and the back sheet, and an elastic member extending in the longitudinal direction along the outer edge portion in the width direction of the main body portion and contracting in the longitudinal direction. A tail insertion portion for inserting the pet's tail is provided in a portion of the main body portion dorsal to the absorbent core. In an extended state where the main body portion is extended, it is ventral to a second line connecting an intersection of a first line extending in the longitudinal direction along the elastic member and a dorsal end portion of the main body portion and a dorsal end portion of the central portion of the tail insertion portion in the width direction, and in a region inside the elastic member in the width direction, a pair of cut portions are provided on both sides in the width direction with the center line of the main body portion in the width direction interposed therebetween. Each of the pair of cut portions has a predetermined length in the longitudinal direction and penetrates the main body portion in the thickness direction of the main body portion, the pet diaper.

[0011] In the above-mentioned pet diaper, a pair of cut portions having a predetermined length in the longitudinal direction are provided in a region that is ventral to the second line and between the center line of the main body portion in the width direction and the elastic members on both sides in the width direction. As a result, when the pet diaper is in use (when the pet is standing on all fours), the upper surface portion of the main body (the portion of the main body portion that is inner in the width direction than the cut portion) and the side surface portion of the main body where the elastic member is located (the portion of the main body portion that is outer in the width direction than the cut portion) can be separated by the cut portion. As a result, even if the upper surface portion of the main body is deformed when the pet performs an action such as wagging its tail, the force of the deformation is blocked by the cut portion and is less likely to be transmitted to the side surface portion of the main body, and the displacement of the side surface portion of the main body is suppressed. Therefore, according to the above-mentioned pet diaper, it is possible to suppress the occurrence of displacement in the attachment of the pet diaper accompanying the movement of the pet.

[0012] (Aspect 2) In the pet diaper of Aspect 1, the dorsal end portion of the effective portion of the elastic member configured to be contractible in the longitudinal direction is located dorsal to the dorsal end portion of the tail insertion portion in the longitudinal direction.

[0013] According to Aspect 2, the side surface portion of the main body can be effectively contracted in the longitudinal direction by the elastic member. As a result, the upper surface portion of the main body separated from the side surface portion of the main body with the cut portion as a boundary can be suitably separated (lifted) from the body of the pet. That is, the degree of freedom of movement of the upper surface portion of the main body independent of the side surface portion of the main body can be increased. Thereby, the buffering function of the upper surface portion of the main body (that is, the function of retaining the deformation of the main body portion accompanying the movement of the pet in the upper surface portion of the main body inner than the cut portion and suppressing the transmission to the side surface portion of the main body outer than the cut portion) can be improved.

[0014] (Aspect 3) In the pet diaper of Aspect 1 or 2, the dorsal end portion of the effective portion of the elastic member configured to be contractible in the longitudinal direction is located dorsal to the dorsal end portion of the cut portion in the longitudinal direction.

[0015] According to Aspect 3, the effects of the above-mentioned Aspect 2 can be improved.

[0016] (Aspect 4) The main body portion is disposed inside the elastic member in the width direction, and both end portions in the longitudinal direction are fixed, and an upright elastic member is configured to be able to stand up by the portion between the both end portions contracting in the longitudinal direction. The effective portion of the upright elastic member configured to be contractible in the longitudinal direction is not disposed in a region inside the cutting portion in the width direction among the regions where the cutting portion is disposed in the longitudinal direction, and is a disposable diaper for pets according to any one of Aspects 1 to 3.

[0017] According to Aspect 4, while preferably suppressing lateral leakage of excrement by the upright elastic member, it is possible to suppress a decrease in the buffering function of the upper surface portion of the main body due to the upper surface portion of the main body being deformed in the longitudinal direction by receiving the contraction force of the upright elastic member.

[0018] (Aspect 5) The effective portion of the upright elastic member is disposed on the ventral side of the cutting portion in the longitudinal direction, and is a disposable diaper for pets according to Aspect 4.

[0019] According to Aspect 5, by disposing the effective portion of the upright elastic member on the ventral side of the cutting portion, a configuration that exhibits the effects described for Aspect 4 can be realized.

[0020] (Aspect 6) The effective portion of the upright elastic member is disposed outside the cutting portion in the width direction, and is a disposable diaper for pets according to Aspect 4.

[0021] According to Aspect 6, by disposing the effective portion of the upright elastic member outside the cutting portion in the width direction, a configuration that exhibits the effects described for Aspect 4 can be realized.

[0022] (Aspect 7) The cutting portion is disposed on the dorsal side of the absorbent core in the longitudinal direction, and is a disposable diaper for pets according to any one of Aspects 1 to 6.

[0023] According to Aspect 7, it is possible to prevent urine absorbed by the absorbent core from leaking through the cutting portion.

[0024] (Aspect 8) The cutting portion is disposed dorsal to the ventral end of the tail insertion portion in the longitudinal direction, the disposable diaper for pets of Aspect 7.

[0025] According to Aspect 8, it is possible to more effectively prevent urine absorbed by the absorbent core from leaking through the cutting portion.

[0026] (Aspect 9) A pair of fastening tabs extending outward in the width direction from both end portions of the main body portion in the width direction, and a target portion disposed in a region dorsal to the pair of fastening tabs in the main body portion and engaging with the pair of fastening tabs, are further provided, The cutting portion is disposed ventral to the target portion in the longitudinal direction, the disposable diaper for pets according to any one of Aspects 1 to 8.

[0027] According to Aspect 9, by disposing the cutting portion so as not to interfere with the target portion engaged with the pair of fastening tabs, it is possible to prevent the engagement strength between the pair of fastening tabs and the target portion from being impaired by the cutting portion.

[0028] (Aspect 10) The main body portion has side sheets that form leg side gathers configured to be erected by fixing both end portions in the longitudinal direction and causing a portion between the both end portions to contract in the longitudinal direction, The cutting portion is disposed so as to overlap with the side sheet, the disposable diaper for pets according to any one of Aspects 1 to 9.

[0029] According to Aspect 10, the rigidity of the portion of the main body where the cutting portion is provided can be increased by the amount corresponding to the side sheet. Thereby, when the upper surface portion of the main body is deformed by the movement of the pet, the highly rigid portion where the cutting portion is provided preferably absorbs the deformation, and it is possible to preferably suppress the force of the deformation from being transmitted to the side surface portion of the main body. Further, since the rigidity of the portion where the cutting portion is provided is increased as described above, it becomes easier to maintain the shape of the material along the cutting portion (the cross-sectional shape of the cutting portion). As a result, it is also possible to improve the fitness of the portion of the main body where the cutting portion is provided to the body of the pet.

[0030] (Aspect 11) In the diaper for pets according to Aspect 10, in the width direction, inside the cutting portion, a region is formed in which the side sheet is folded back so as to be double.

[0031] According to Aspect 11, the effects of Aspect 10 described above can be obtained more preferably.

[0032] (Aspect 12) In the diaper for pets according to any one of Aspects 1 to 11, the cutting portion is provided outside the intermediate position between the tail insertion portion and the elastic member in the width direction.

[0033] According to Aspect 12, by arranging the cutting portion on the elastic member side rather than on the tail insertion portion side, the size of the upper surface portion of the main body can be sufficiently secured with respect to the size of the side surface portion of the main body, and the upper surface portion of the main body can be easily lifted from the body of the pet. Thereby, the buffer function of the upper surface portion of the main body can be improved.

[0034] (Aspect 13) In the diaper for pets according to any one of Aspects 1 to 12, the cutting portion has a plurality of cut portions formed at different positions in the longitudinal direction.

[0035] According to Embodiment 13, instead of configuring the cutting portion as a single long cut, by configuring it with cut portions separated into a plurality in the longitudinal direction, a structure can be realized in which the buffer function described above is exhibited without significantly impairing the material strength of the main body portion.

[0036] (Embodiment 14) The pet diaper according to any one of Embodiments 1 to 13, wherein the cutting portion has a cut portion having a convex shape toward the outside in the width direction.

[0037] According to Embodiment 14, in the worn state, the convex portion along the cut portion is more likely to rise, and the upper surface portion and the side surface portion of the main body are more likely to be separated by the cut portion. As a result, a structure in which the movement of the upper surface portion of the main body is difficult to be transmitted to the side surface portion of the main body can be preferably realized.

[0038] (Embodiment 15) The pet diaper according to any one of Embodiments 1 to 14, wherein the dorsal end portion of the tail insertion portion is located on the ventral side rather than at an intermediate position between the central portion of the main body portion and the dorsal end portion of the main body portion in the longitudinal direction.

[0039] According to Embodiment 15, the portion (upper surface portion of the main body) of the main body portion that faces the back of the pet in the worn state can be made sufficiently wide. As a result, the force of deformation of the main body portion accompanying the tail wagging motion or the like of the pet can be evenly distributed over the entire upper surface portion of the main body, so that the force of deformation from the upper surface portion of the main body toward the side surface portion of the main body can be effectively blocked by the cutting portion.

[0040] [Embodiment] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings. In the following description, the same or corresponding elements are denoted by the same reference numerals, and redundant descriptions are omitted.

[0041] Referring to FIGS. 1 to 4, the configuration of the pet diaper 1 according to an embodiment will be described. FIG. 1 is a plan view of the pet diaper 1 seen from the skin side. FIG. 2 is a plan view of the pet diaper 1 seen from the non-skin side. FIGS. 1 and 2 show the pet diaper 1 in an extended state where the pet diaper 1 is extended to a state where wrinkles are not formed. FIG. 3 is a cross-sectional view of the pet diaper 1 taken along line III-III in FIG. 1. FIG. 4 is a cross-sectional view of the pet diaper 1 taken along line IV-IV in FIG. 1. The pet diaper 1 is a diaper worn by a pet. In this specification, "pet" broadly includes vertebrates and invertebrates, and typically includes pet animals such as dogs, cats, rabbits, hamsters, etc. As an example, the pet diaper 1 is a dog diaper.

[0042] In this embodiment, the "skin side" is the side facing the pet's skin in the worn state where the pet diaper 1 is worn on the pet. The "non-skin side" is the side directed to the opposite side of the pet's skin in the worn state. As shown in FIG. 1, the pet diaper 1 has a longitudinal direction Y connecting the ventral side to the dorsal side of the pet, a width direction X orthogonal to the longitudinal direction Y and arranged along the pet's body circumference direction, and a thickness direction Z orthogonal to the longitudinal direction Y and the width direction X. As shown in FIGS. 3 and 4, the thickness direction Z is the stacking direction of each material (such as the surface sheet 3, the back sheet 4, the absorber 10, etc., described later) constituting the pet diaper 1. Also, a straight line passing through the central portion in the width direction X of the pet diaper 1 and parallel to the longitudinal direction Y is represented as the "center line CL".

[0043] The pet diaper 1 includes a main body portion 2 extending in the longitudinal direction Y and the width direction X. The main body portion 2 absorbs urine excreted by a pet wearing the pet diaper 1. The main body portion 2 is divided into a ventral portion 21 located on the ventral side of the pet in the worn state, a dorsal portion 22 located on the dorsal side of the pet in the worn state, and a crotch portion 23 located between the ventral portion 21 and the dorsal portion 22. The ventral portion 21, the crotch portion 23, and the dorsal portion 22 are arranged along the longitudinal direction Y from the ventral side (front) to the dorsal side (rear) of the pet. As an example, when the main body portion 2 is equally divided into four in the longitudinal direction Y, one region located most ventrally corresponds to the ventral portion 21, one region located most dorsally corresponds to the dorsal portion 22, and two regions located between the ventral portion 21 and the dorsal portion 22 (that is, the central portion of the main body portion 2 in the longitudinal direction Y) correspond to the crotch portion 23.

[0044] The main body portion 2 has a top sheet 3, a back sheet 4, a pair of side sheets 5, and an absorber 10.

[0045] The top sheet 3 is disposed at a position facing the pet's skin in the worn state and is a liquid-permeable sheet facing the pet's skin. The top sheet 3 can be formed of, for example, a liquid-permeable non-woven fabric or woven fabric, a synthetic resin film having liquid-permeation holes, or a composite sheet thereof.

[0046] The back sheet 4 is a liquid-impermeable sheet disposed on the side opposite to the pet's skin side in the worn state. The back sheet 4 can be formed of, for example, a liquid-impermeable non-woven fabric, a synthetic resin film, or a composite sheet thereof. In the present embodiment, the back sheet 4 has an outer cover sheet 41 and a leak-proof sheet 42. The outer cover sheet 41 is disposed outside (non-skin side) of the leak-proof sheet 42 and constitutes the outermost surface of the main body portion 2. The outer cover sheet 41 is formed of, for example, a liquid-impermeable non-woven fabric. The leak-proof sheet 42 is disposed between the outer cover sheet 41 and the absorber 10 (absorbent core 11) and is joined to the outer cover sheet 41. The leak-proof sheet 42 is formed of, for example, a liquid-impermeable synthetic resin film.

[0047] The pair of side sheets 5 are sheets for forming leg side gathers LSG, which are standing leak-proof gathers, at the ventral part 21 and the lower crotch part 23. The side sheets 5 can be formed of, for example, a non-woven fabric having water repellency or hydrophobicity. As shown in FIGS. 1, 3, and 4, each side sheet 5 is disposed on both sides of the main body part 2 in the width direction X so as to expose the central part of the surface sheet 3 in the width direction X. Each side sheet 5 extends from the ventral end 2a of the main body part 2 to the dorsal end 2b of the main body part 2 along the longitudinal direction Y. As shown in FIGS. 3 and 4, the outer edge of each side sheet 5 in the width direction X coincides with the outer edge of the back sheet 4 and constitutes the outer edge part 2c of the main body part 2. Also, the inner part of each side sheet 5 in the width direction X is folded back to the non-skin side. Between the folded side sheets 5, an elastic member 7 (standing elastic member) in a state of being extended in the longitudinal direction Y is disposed from the ventral part 21 to the lower crotch part 23. The elastic member 7 is, for example, thread rubber or the like.

[0048] As shown in FIG. 1, each side sheet 5 is joined (fixed) to the surface sheet 3 at a fixing part R surrounded by a dashed line and hatched with oblique lines. Each fixing part R is disposed over the entire longitudinal direction Y of the main body part 2. Each fixing part R has a fixing part R1 extending in the longitudinal direction Y along the outer edge part of the fixing part R in the width direction X, a rectangular fixing part R2 formed at the ventral end of the fixing part R in the longitudinal direction Y, and a rectangular fixing part R3 formed at the dorsal end of the fixing part R in the longitudinal direction Y.

[0049] A portion between an inner end R2a in the longitudinal direction Y of the fixing portion R2 and an inner end R3a in the longitudinal direction Y of the fixing portion R3 of the side sheet 5 (that is, a portion of the side sheet 5 where the elastic member 7 is disposed and is not joined to the surface sheet 3) constitutes the standing portion 5a. The standing portion 5a is a portion that functions as a leg side gather LSG by standing up due to the contraction of the elastic member 7. More specifically, both ends of the standing portion 5a in the longitudinal direction Y are fixed by the fixing portions R2 and R3 and contract in the longitudinal direction Y, so that it is configured to stand up with the inner end R1a in the width direction X of the fixing portion R1 as a fulcrum. That is, the end R1a of the fixing portion R1 functions as a standing fulcrum of the leg side gather LSG.

[0050] The absorber 10 is disposed between the surface sheet 3 and the back sheet 4. As shown in FIG. 3, the absorber 10 includes an absorbent core 11 and a core wrap 12 that covers the upper and lower surfaces of the absorbent core 11. The absorbent core 11 is disposed so as to cover the ventral portion 21 and the crotch portion 23 and is not disposed on the dorsal portion 22. The absorbent core 11 is a member that absorbs urine of a pet and has liquid absorbency and liquid retention. The absorbent core 11 is, for example, a laminate of an absorbent material containing pulverized pulp or a superabsorbent polymer (SAP), or a mixture thereof. The core wrap 12 is, for example, a tissue or a non-woven fabric sheet. As an example, the absorbent core 11 is formed in a ladle shape (or an hourglass shape) when viewed in the thickness direction Z, and the central portion of the absorbent core 11 in the longitudinal direction Y has a constricted shape.

[0051] As shown in FIGS. 1 and 2, a tail insertion portion 6 for inserting a pet's tail is provided in the main body portion 2. As an example, the tail insertion portion 6 is composed of one cut portion 6a and two cut portions 6b. The cut portions 6a and 6b penetrate the main body portion 2 in the thickness direction Z. The cut portion 6a is provided at the center of the width direction X of the region on the back side of the absorbent core 11 of the crotch portion 23. The cut portion 6a is formed in a curved surface shape (arc shape) that extends in the width direction X with the center line CL interposed therebetween and protrudes toward the back side. The two cut portions 6b are provided on both sides with the center line CL interposed therebetween at positions closer to the cut portion 6a on the back side than the cut portion 6a. The two cut portions 6b have a linear shape that is inclined with respect to the longitudinal direction Y so that the distance between the two cut portions 6b widens from the ventral side toward the dorsal side.

[0052] A substantially semi-circular opening for inserting a pet's tail is formed by pushing the portion on the ventral side of the cut portion 6a and closer to the ventral side than the cut portion 6a into the non-skin side between the ends of the cut portion 6a in the width direction X. Further, by breaking the portion of the main body portion 2 between the cut portion 6a and the two cut portions 6b, the cut portion 6a and the two cut portions 6b can be connected. In this case, as shown in FIG. 2, it is possible to form an opening having a region A larger than the opening formed by the cut portion 6a. Thus, in the present embodiment, the tail insertion portion 6 is configured such that the opening size can be adjusted (enlarged) by connecting the two cut portions 6b to the cut portion 6a as necessary. Note that the shape and size of the tail insertion portion 6 are not limited to those of the present embodiment. For example, when size adjustment is not required, the cut portion 6b may be omitted. Further, the tail insertion portion 6 may be formed by an opening having a predetermined area instead of a cut, or may be formed by a combination of an opening and a cut.

[0053] On both sides of the ventral part 21 in the width direction X, a pair of flap parts F1 protruding outward in the width direction X are formed. Similarly, on both sides of the dorsal part 22 in the width direction X, a pair of flap parts F2 protruding outward in the width direction X are formed. A pair of fastening tabs 50 are provided on the pair of flap parts F1. A target part 53 is provided in the region between the pair of flap parts F2 in the dorsal part 22.

[0054] Each fastening tab 50 extends outward in the width direction X from both end portions (end portions F1a in the width direction X of the flap part F1) of the main body part 2 (flap part F1) in the width direction X. Each fastening tab 50 has a rectangular shape that is long in the width direction X and is arranged in the vicinity of the ventral end portion 2a of the main body part 2. Each fastening tab 50 has a base material sheet 51 joined to the flap part F1 and an engaging portion 52 provided on the skin side surface of the base material sheet 51. A part of the base material sheet 51 is sandwiched, for example, between the side sheet 5 and the back sheet 4. The engaging portion 52 is, for example, a surface fastener (for example, a plurality of hook-shaped members) configured to be engageable with the target part 53.

[0055] The target part 53 has a rectangular shape that is long in the width direction X and is arranged in the vicinity of the dorsal end portion 2b of the main body part 2 on the non-skin side surface of the back sheet 4 (outer cover sheet 41). As shown in FIG. 5, in the worn state, the engaging portions 52 of the pair of fastening tabs 50 are engaged with the target part 53. FIG. 5 shows the state in which the pet P is standing in the worn state.

[0056] The main body portion 2 is arranged to extend in the longitudinal direction Y along the outer edge portion 2c of the main body portion 2 in the width direction X (in this embodiment, the portion of the outer edge portion 2c located in the crotch portion 23 where the flap portions F1 and 32 are not provided), and has a pair of elastic members 8 that contract in the longitudinal direction Y. Each elastic member 8 is, for example, a thread rubber or the like similar to the elastic member 7. In this embodiment, as shown in FIG. 3, each elastic member 8 is arranged between the surface sheet 3 and the back sheet 4 (leak-proof sheet 42). As shown in FIG. 5, in the worn state, when the pair of elastic members 8 contract in the longitudinal direction Y, the outer edge portion 2c of the main body portion 2 functions as a leg gather that fits around the legs of the pet P.

[0057] Here, as shown in FIG. 1, in the extended state where the main body portion 2 is extended, the intersection of each line L1 (first line) extending in the longitudinal direction Y along each elastic member 8 and the dorsal end 2b of the main body portion 2 is represented as P1, and the dorsal end of the central portion of the tail insertion portion 6 in the width direction X is represented as P2. The end portion P2 of the tail insertion portion 6 is the dorsal end of the largest opening formed by the tail insertion portion 6. In this embodiment, the region A shown in FIG. 2 is the largest opening that can be formed by the tail insertion portion 6 (that is, the cut portion 6a and the two cut portions 6b). Therefore, the end portion P2 corresponds to the dorsal end in the central portion in the width direction X of the region A. In the case where the tail insertion portion 6 is not a cut as in this embodiment but an opening having a predetermined area formed in the main body portion 2 from the beginning, the end portion P2 corresponds to the dorsal end in the central portion in the width direction X of the opening. Also, the line connecting each intersection P1 and the end portion P2 is represented as line L2 (second line).

[0058] When the line L2 is defined as described above, in the present embodiment, a cutting portion 9 is provided in a region that is ventral (upper side in FIG. 1) with respect to the line L2 and is also inside the elastic member 8 in the width direction X (in the present embodiment, a region located between the tail insertion portion 6 and the elastic member 8 in the width direction X). In the present embodiment, the cutting portions 9 are provided on each of both sides of the center line CL in the width direction X. Each cutting portion 9 has a plurality (four on each of the left and right in the present embodiment) of cut portions 91 having a predetermined length in the longitudinal direction Y. In each cutting portion 9, the plurality of cut portions 91 are arranged in the longitudinal direction Y. Each cut portion 91 penetrates the main body portion 2 in the thickness direction Z of the main body portion 2. In the present embodiment, a pair of cutting portions 9 (cut portions 91) arranged on both sides in the width direction X with the center line CL of the main body portion 2 in the width direction X interposed therebetween are provided so as to be arranged in four sets in the longitudinal direction Y. However, in order to obtain the effects of the pet diaper 1 described later, at least one set of a pair of cutting portions 9 (that is, a total of two cutting portions 9 (cut portions 91)) may be provided in the main body portion 2.

[0059] Next, the effects of the pet diaper 1 described above will be explained. In the pet diaper 1, a pair of cutting portions 9 having a predetermined length in the longitudinal direction Y are provided in a region between the center line CL of the main body portion 2 in the width direction X and the elastic members 8 on both sides in the width direction X, which is on the ventral side of the line L2. (In this embodiment, on each of the left and right sides, there are four cut portions 91 extending in the longitudinal direction Y). As a result, as shown in FIGS. 2, 5, and 6, when the pet diaper 1 is in use (as shown in FIG. 5, the state where the pet P is standing on all fours), the main body upper surface portion 2d where the tail insertion portion 6 is located (the portion inside the width direction X of the main body portion 2 with respect to the cutting portion 9) and the main body side surface portion 2e where the elastic member 8 is located (the portion outside the width direction X of the main body portion 2 with respect to the cutting portion 9) can be separated by the cutting portion 9. As a result, even if the main body upper surface portion 2d is deformed when the pet P performs an action of wagging its tail, etc., the force of the deformation is blocked by the cutting portion 9 and is less likely to be transmitted to the main body side surface portion 2e, and the displacement of the main body side surface portion 2e is suppressed. For example, as shown in FIG. 6, when a certain amount of play (gap S) is formed between the main body upper surface portion 2d and the pet P, even if the main body upper surface portion 2d is slightly displaced in the left-right direction (direction D in FIG. 6) in conjunction with the movement of the tail of the pet P, the movement can be absorbed by the main body upper surface portion 2d, and the movement (displacement) of the main body side surface portion 2e can be suppressed. Therefore, according to the pet diaper 1, it is possible to suppress the occurrence of displacement in the wearing of the pet diaper 1 accompanying an action such as the pet P wagging its tail. For example, if the position of the portion where the elastic member 8 is provided on the main body side surface portion 2e is displaced, there is a risk of leakage of excrement, etc., but according to the pet diaper 1, since the displacement (wearing displacement) of the main body side surface portion 2e can be suppressed, such leakage can be preferably prevented.

[0060] The dorsal end of the effective portion of the elastic member 8 configured to be contractible in the longitudinal direction Y is located dorsally of the dorsal end of the tail insertion portion 6 (in this embodiment, the end portion P2 shown in FIGS. 1 and 2) in the longitudinal direction Y. In this embodiment, the ventral end of the elastic member 8 is located at the ventral end 2a of the main body portion 2, and the dorsal end of the elastic member 8 is located at the dorsal end 2b of the main body portion 2. For this reason, the effective portion of the elastic member 8 coincides with the entire portion of the elastic member 8 shown in FIGS. 1 and 2 (that is, the portion from the end 2a to the end 2b). According to the above configuration, the main body side surface portion 2e can be effectively contracted in the longitudinal direction Y by the elastic member 8. As a result, the main body upper surface portion 2d separated from the main body side surface portion 2e with the cutting portion 9 as a boundary can be suitably separated (lifted) from the body of the pet P. That is, at least since the elastic member 8 extends to the position where the tail insertion portion 6 is disposed in the longitudinal direction Y, the main body side surface portion 2e can be effectively contracted, and as a result, as shown in FIG. 6, a gap S can be suitably formed between the main body upper surface portion 2d and the body of the pet P. As a result, the degree of freedom of movement of the main body upper surface portion 2d independent of the main body side surface portion 2e can be increased. Thereby, the buffering function of the main body upper surface portion 2d (that is, the function of retaining the deformation of the main body portion 2 accompanying the movement of the pet P such as the tail wagging operation inside the main body upper surface portion 2d rather than the cutting portion 9 and suppressing the transmission to the main body side surface portion 2e outside the cutting portion 9) can be improved.

[0061] Furthermore, in this embodiment, the dorsal end of the effective portion of the elastic member 8 (that is, the end 2b) is located dorsally of the dorsal end of the cutting portion 9 (in this embodiment, the dorsal end 9a of the cutting portion 91 located most dorsally shown in FIG. 1) in the longitudinal direction Y. That is, at least since the elastic member 8 is provided so as to overlap the entire cutting portion 9 in the width direction X, the main body side surface portion 2e can be more effectively contracted. Thereby, the above-described gap S can be more suitably formed, and the degree of freedom of movement of the main body upper surface portion 2d can be further increased. As a result, the buffering function of the main body upper surface portion 2d can be more effectively improved.

[0062] The main body portion 2 is disposed inside the elastic member 8 in the width direction X, and both end portions in the longitudinal direction Y are fixed at the end portions R2a and R3a, and a portion between the both end portions is configured to be able to stand up by contracting in the longitudinal direction Y. It has an elastic member 7. Further, the effective portion (that is, the portion between the end portion R2a and the end portion R3a) of the elastic member 7 configured to be contractible in the longitudinal direction Y is a region inside the cutting portion 9 in the width direction X among the regions where the cutting portion 9 is disposed in the longitudinal direction Y (that is, the main body upper surface portion 2d that overlaps the cutting portion 9 in the width direction X and is inside the cutting portion 9) is not disposed. According to the above configuration, while the side leakage of excrement is preferably suppressed by the leg side gather LSG formed by the elastic member 7, it is possible to suppress a decrease in the above-described buffering function of the main body upper surface portion 2d due to the main body upper surface portion 2d being deformed in the longitudinal direction Y by receiving the contraction force of the elastic member 7.

[0063] In the present embodiment, the effective portion (the portion from the end portion R2a to the end portion R3a) of the elastic member 7 is disposed on the ventral side of the cutting portion 9 (the most ventral cutting portion 91) in the longitudinal direction Y. That is, in the present embodiment, by disposing the effective portion of the elastic member 7 on the ventral side of the cutting portion 9, a configuration for achieving the above-described effect (that is, a configuration in which the elastic member 7 is not disposed on the main body upper surface portion 2d) is realized.

[0064] As another configuration for realizing the above configuration (a configuration in which the elastic member 7 is not disposed on the main body upper surface portion 2d), the effective portion of the elastic member 7 may be disposed outside the cutting portion 9 (that is, the main body side surface portion 2e) in the width direction X. In this case, while providing the effective portion of the elastic member 7 so as to extend to a position overlapping the cutting portion 9 in the width direction X, the above configuration (a configuration in which the elastic member 7 is not disposed on the main body upper surface portion 2d) can be realized by disposing the elastic member 7 outside the cutting portion 9.

[0065] The cutting portion 9 is disposed on the dorsal side of the absorbent core 11 in the longitudinal direction Y. That is, the cutting portion 9 does not include a portion overlapping the absorbent core 11. According to the above configuration, it is possible to prevent urine absorbed by the absorbent core 11 from leaking through the cut surface of the cutting portion 9.

[0066] Furthermore, the cutting portion 9 is disposed on the dorsal side of the ventral end of the tail insertion portion 6 (the ventral end of the region A in FIG. 2) in the longitudinal direction Y. That is, the cutting portion 9 does not include a portion located ventral to the ventral end of the tail insertion portion 6. According to the above configuration, it is possible to more effectively prevent urine absorbed by the absorbent core 11 from leaking through the cut surface of the cutting portion 9.

[0067] The pet diaper 1 has a pair of fastening tabs 50 extending outward in the width direction X from both ends of the main body portion 2 in the width direction X, and a target portion 53 disposed in a region dorsal to the pair of fastening tabs 50 in the main body portion 2 and engaging with the pair of fastening tabs 50. As shown in FIG. 2, the cutting portion 9 is disposed ventral to the target portion 53 in the longitudinal direction Y. That is, the cutting portion 9 does not include a portion overlapping the target portion 53. According to the above configuration, by disposing the cutting portion 9 so as not to interfere with the target portion 53 engaged with the pair of fastening tabs 50, it is possible to prevent the engagement strength between the pair of fastening tabs 50 and the target portion 53 from being impaired by the cutting portion 9.

[0068] The main body portion 2 has a side sheet 5 that forms a leg side gather LSG. As shown in FIGS. 1 and 4, the cut portion 9 is arranged so as to overlap the side sheet 5. According to the above configuration, the rigidity of the portion of the main body portion 2 where the cut portion 9 is provided can be increased by the amount of the side sheet 5. Thereby, when the upper surface portion 2d of the main body is deformed by the tail wagging motion of the pet or the like, the highly rigid portion where the cut portion 9 is provided (that is, the portion between the upper surface portion 2d of the main body and the side surface portion 2e of the main body) preferably absorbs the deformation, and it is possible to preferably suppress the force of the deformation from being transmitted to the side surface portion 2e of the main body. Further, since the rigidity of the portion where the cut portion 9 is provided as described above is increased, it becomes easier to maintain the shape of the material along the cut portion 9 (the cross-sectional shape of the cut portion 9). As a result, it is also possible to improve the fitness of the portion of the main body portion 2 where the cut portion 9 is provided to the body of the pet.

[0069] Also, as shown in FIG. 4, in the width direction X, inside the cut portion 9 (that is, in the vicinity of the cut portion 9 on the upper surface portion 2d of the main body), a region 5b is formed in which the side sheet 5 is folded back so as to be double-layered. According to the above configuration, the above-described effects can be obtained more preferably. That is, by forming the region 5b having higher rigidity than other portions by doubling the side sheet 5, it is possible to more preferably suppress the force of the deformation of the upper surface portion 2d of the main body from being transmitted to the side surface portion 2e of the main body.

[0070] As shown in FIG. 1, the cutting portion 9 is provided outside the intermediate position between the tail insertion portion 6 and the elastic member 8 in the width direction X. In other words, if a straight line parallel to the Y-axis direction passing through the intermediate position between the straight line L3 parallel to the longitudinal direction Y passing through the outer end portion of the tail insertion portion 6 in the width direction X and the straight line (line L1) along the elastic member 8 is defined as the intermediate line CL1, the cutting portion 9 is provided outside the intermediate line CL1 in the width direction X (between the intermediate line CL1 and the line L1). By disposing the cutting portion 9 on the elastic member 8 side rather than the tail insertion portion 6 side with respect to the intermediate line CL1, the size of the main body upper surface portion 2d can be sufficiently ensured with respect to the size of the main body side surface portion 2e, and the main body upper surface portion 2d can be easily lifted from the body of the pet P. Thereby, the buffer function of the main body upper surface portion 2d described above can be improved.

[0071] As shown in FIGS. 1 and 2, the cutting portion 9 has a plurality of cut portions 91 formed at different positions in the longitudinal direction Y. In the present embodiment, as shown in FIG. 1, on each of the left and right sides, the cutting portion 9 has four cut portions 91 arranged in a row in the longitudinal direction Y. According to the above configuration, instead of configuring the cutting portion 9 with a single long cut, by configuring it with a plurality of cut portions 91 separated in the longitudinal direction Y, a structure in which the buffer function described above is exhibited can be realized without significantly impairing the material strength of the main body portion 2.

[0072] As shown in FIGS. 1 and 2, the cutting portion 9 has a cut portion 91 having a convex shape toward the outside in the width direction X. According to the above configuration, as shown in FIGS. 5 and 6, in the mounted state, the convex portion along the cut portion 91 is likely to rise, and the main body upper surface portion 2d and the main body side surface portion 2e are likely to be separated by the cut portion 91. As a result, a structure in which the movement of the main body upper surface portion 2d is difficult to be transmitted to the main body side surface portion 2e can be preferably realized. Further, since the vent opening along the cut portion 91 is formed when the convex portion rises, the air permeability of the pet diaper 1 can also be improved.

[0073] As shown in FIGS. 1 and 2, in the present embodiment, the dorsal end of the tail insertion portion 6 (the dorsal end of the cut portion 6b in the present embodiment) is located ventral to the intermediate position between the central portion of the main body portion 2 in the longitudinal direction Y (the central portion in the longitudinal direction Y of the thigh portion 23 in the present embodiment) and the dorsal end 2b of the main body portion 2 (the boundary portion between the dorsal portion 22 and the thigh portion 23 in the present embodiment). According to the above configuration, the portion of the main body portion 2 that faces the back of the pet in the worn state (the main body upper surface portion 2d) can be made sufficiently wide. As a result, the force of deformation of the main body portion 2 accompanying the tail wagging motion of the pet or the like can be evenly distributed over the entire main body upper surface portion 2d, so that the force of deformation from the main body upper surface portion 2d toward the main body side surface portion 2e can be effectively blocked by the cut portion 9.

[0074] [Modification Example] As described above, the embodiments of the present disclosure have been described, but the present disclosure is not limited to the above embodiments. The materials and shapes of each component are not limited to the materials and shapes described above, and various materials and shapes can be adopted. Also, some of the components included in the configurations of the above-described embodiments may be changed or omitted, or other components may be added.

[0075] For example, the shape and arrangement of the cut portion 9 are not limited to the above embodiment. In the above embodiment, the cut portion 9 is provided on both the left and right sides of the tail insertion portion 6, but the cut portion 9 may be provided on only one of the left and right sides of the tail insertion portion 6. Also, the cut portion 9 may be formed by a single cut or opening. Further, the cut portion 91 may have a shape other than a shape convex outward in the width direction X. For example, the cut portion 91 may be formed in a straight line along the longitudinal direction Y, or may be formed in a shape convex inward in the width direction X. [Description of Reference Numerals]

[0076] 1... Pet diaper, 2... Main body, 2c... Outer edge, 3... Surface sheet, 4... Back sheet, 5... Side sheet, 6... Tail insertion part, 7... Elastic member (erecting elastic member), 8... Elastic member, 9... Cutting part, 11... Absorbent core, 50... Fastening tab, 53... Target part, L1... Line (first line), L2... Line (second line), LSG... Leg side gather, P... Pet, P1... Intersection point, P2... End part.

Claims

1. A pet diaper to be worn by a pet, A main body portion having a longitudinal direction connecting the ventral side to the dorsal side of the pet and a width direction perpendicular to the longitudinal direction, The main body portion is A top sheet is disposed in a position facing the skin of the pet when the pet diaper is worn on the pet; A back sheet that is disposed on the opposite side to the pet's skin in the attached state; an absorbent core disposed between the top sheet and the back sheet; an elastic member that is disposed along an outer edge portion in the width direction of the main body portion and extends in the longitudinal direction and that contracts in the longitudinal direction; a tail insertion portion for inserting the tail of the pet is provided at a portion of the main body portion on the rear side of the absorbent core, In a stretched state in which the main body portion is stretched, a pair of cut portions are provided on both sides in the width direction across the center line of the main body portion in the width direction, the cut portions being located on the ventral side of a second line connecting an intersection point between a first line extending in the longitudinal direction along the elastic member and the dorsal end of the main body portion, and the dorsal end of the center of the tail insertion portion in the width direction, and in an area more inward than the elastic member in the width direction; A pet diaper, wherein each of the pair of cut portions has a predetermined length in the longitudinal direction and penetrates the main body portion in the thickness direction of the main body portion.

2. The back end of the effective portion of the elastic member that is configured to be contractible in the longitudinal direction is located on the back side of the back end of the tail insertion portion in the longitudinal direction. The pet diaper according to claim 1.

3. The back end of the effective portion of the elastic member that is configured to be contractible in the longitudinal direction is located on the back side of the back end of the cut portion in the longitudinal direction. The pet diaper according to claim 1.

4. the main body portion has an upstanding elastic member that is disposed inward of the elastic member in the width direction, and is configured such that both ends in the longitudinal direction are fixed and a portion between the both ends is contracted in the longitudinal direction to be able to stand up, The effective portion of the upright elastic member that is configured to be contractible in the longitudinal direction is not disposed in a region on the inside of the cut portion in the width direction among the regions in which the cut portion is disposed in the longitudinal direction. The pet diaper according to claim 1.

5. The effective portion of the upright elastic member is disposed on the ventral side of the cut portion in the longitudinal direction. The pet diaper according to claim 4.

6. The effective portion of the standing elastic member is disposed outside the cut portion in the width direction. The pet diaper according to claim 4.

7. The cut portion is disposed on the rear side of the absorbent core in the longitudinal direction. The pet diaper according to claim 1.

8. The cutting portion is disposed dorsally relative to the ventral end of the tail insertion portion in the longitudinal direction. The pet diaper according to claim 7.

9. a pair of fastening tabs extending outward in the width direction from both ends of the main body in the width direction; A target portion is disposed in a region of the main body portion on the rear side of the pair of fastening tabs and engages with the pair of fastening tabs, The cutting portion is disposed on the ventral side of the target portion in the longitudinal direction. The pet diaper according to claim 1.

10. the main body portion has side sheets that form leg side gathers that are configured to be able to stand up by fixing both ends in the longitudinal direction and contracting a portion between the both ends in the longitudinal direction, The cut portion is arranged so as to overlap with the side sheet. The pet diaper according to claim 1.

11. A region in which the side sheet is folded back so as to be doubled is formed on the inner side of the cut portion in the width direction. The pet diaper according to claim 10.

12. The cut portion is provided outside a middle position between the tail insertion portion and the elastic member in the width direction. The pet diaper according to claim 1.

13. The cutting portion has a plurality of notches formed at a plurality of different positions in the longitudinal direction. The pet diaper according to claim 1.

14. The cutting portion has a notch portion having a convex shape toward the outside in the width direction. The pet diaper according to claim 1.

15. The dorsal end of the tail insertion portion is located on the ventral side of the intermediate position between the center of the main body portion and the dorsal end of the main body portion in the longitudinal direction. The pet diaper according to claim 1.

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