Pants type disposable diaper for pet

Abstract

To provide a pants type disposable diaper for a pet with an improved pulling up property in wearing.SOLUTION: Provided is a pants type disposable diaper for a pet (1) including an absorbent body (10) including an absorbent core (12), a belly side waist part (20), and a back side waist part (30). In the pants type disposable diaper for a pet (1), the belly side waist part (20) and the back side waist part (30) are joined to each other by a pair of side joining parts (40) in both side parts in a right and left direction. A tail insertion part (50) to which a tail can be inserted is provided in a lower side in an up and down direction than the pair of side joining parts (40). In at least one of the belly side waist part (20) and the back side waist part (20), a pair of inclination elastic members (8a, 8b) are arranged. The pair of inclination elastic members (8a, 8b) include an inclination parts (801a, 801b) extending diagonally downward toward a lower side in the up and down direction and an inner side in the right and left direction in a lower side in the up and down direction than the pair of side joining parts (40) and in both side parts in the right and left direction.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a pants-type disposable diaper for pets. [Background technology]

[0002] There are known pet diapers to be worn by pets such as dogs and cats. For example, Patent Document 1 discloses a disposable pants-type diaper for pets that has a waist region, a crotch region, a waist opening, a pair of leg openings, an absorbent core, and a tail insertion opening, and in which a plurality of waist-stretchable elastic members are arranged in the waist region. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2014-226110 A Summary of the Invention [Problem to be solved by the invention]

[0004] The disposable pants-type diaper for pets described in Patent Document 1 provides an area with low elastic stress in the waist area to prevent excessive tightening around the pet's waist and improve the fit around the waist, but when putting pants-type diapers on pets such as dogs and cats, it is often difficult to put the diaper on in the correct position while supporting a moving pet. Specifically, with pants-type diapers, the diaper is pulled up by first passing the pet's hind legs through the leg openings and then passing the tail through the tail insertion part, but when pulling up the diaper, it is necessary to pull up the diaper to the base of the tail, but there are cases where it is not possible to pull up the diaper all the way to the base, making it difficult for the tail to fit into the tail insertion part.

[0005] The present invention has been made in consideration of the above problems, and an object of the present invention is to provide a pants-type disposable diaper for pets which is improved in terms of ease of pulling up when worn. [Means for solving the problem]

[0006] The main invention for achieving the above object is a pants-type disposable diaper for pets, comprising an absorbent main body having a vertical direction and a horizontal direction which intersect with each other and which is equipped with an absorbent core, a ventral waist portion and a rear waist portion, the ventral waist portion and the rear waist portion being joined at both sides in the horizontal direction by a pair of side joints, wherein a tail insertion portion through which a tail can be inserted is provided below the pair of side joints in the vertical direction, and at least one of the ventral waist portion and the rear waist portion is arranged below the pair of side joints in the vertical direction and on both sides in the horizontal direction, with a pair of inclined elastic members having inclined portions which extend diagonally downward in the vertical direction and toward the inside in the horizontal direction. Other features of the present invention will become apparent from the following detailed description of the present invention and the accompanying drawings. Effect of the Invention

[0007] According to the present invention, a pants-type disposable diaper for pets having improved pull-up properties when worn can be provided. [Brief description of the drawings]

[0008] [Figure 1] FIG. 1 is a schematic perspective view of a pants-type disposable diaper 1 for pets according to a first embodiment, as viewed from the back side. [Diagram 2] FIG. 1 is a schematic plan view of a diaper 1 according to a first embodiment in an unfolded and stretched state, as viewed from the skin side. [Diagram 3] FIG. 3 is a schematic cross-sectional view taken along line AA in FIG. 2. [Figure 4] FIG. 1 is a schematic plan view of a diaper 1 according to a first embodiment in an unfolded and stretched state, as viewed from the non-skin side. [Diagram 5] 5A to 5C are diagrams illustrating the putting on operation of the diaper 1. FIG. [Figure 6] FIG. 2 is a plan view showing areas AR1 and AR2 of the diaper 1. [Figure 7] FIG. 11 is a diagram illustrating a modified example of the first embodiment. [Figure 8] 13A and 13B are diagrams showing modified examples of the arrangement of the tail insertion portion 50. [Figure 9] FIG. 2 is a schematic plan view of a diaper 1 according to a second embodiment in an unfolded and stretched state, as viewed from the skin side. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] At least the following points will become apparent from the description of this specification and the accompanying drawings. Aspect 1 is a pants-type disposable diaper for pets, comprising an absorbent main body having a vertical direction and a horizontal direction that intersect with each other and equipped with an absorbent core, a ventral waist section, and a rear waist section, the ventral waist section and the rear waist section being joined at both sides in the horizontal direction by a pair of side joints, wherein a tail insertion section through which a tail can be inserted is provided below the pair of side joints in the vertical direction, and at least one of the ventral waist section and the rear waist section is arranged with a pair of inclined elastic members having inclined sections that extend diagonally downward in the vertical direction and toward the inside in the horizontal direction, below the pair of side joints in the vertical direction and on both sides in the horizontal direction.

[0010] According to the first aspect, when the inclined elastic member is arranged in the ventral waist portion, when the tail is passed through the tail insertion portion and the diaper is finally pulled up, the pulling force is easily applied to the absorbent main body on the ventral side, improving the fit on the ventral side. When the inclined elastic member is arranged in the dorsal waist portion, when the tail is passed through the tail insertion portion and the diaper is finally pulled up, the pulling force is easily applied to both the left and right sides of the tail insertion portion, and the inclined elastic member works in conjunction to pull up the tail insertion portion, making it easier to pull up the diaper to the base of the tail.

[0011] Aspect 2 is a pant-type disposable diaper for pets as described in Aspect 1, wherein the area of ​​the pant-type disposable diaper for pets from the longitudinal center position of the unfolded and stretched state to the longitudinal inner end of the side joint portion of the ventral waist portion is smaller than the area of ​​the pant-type disposable diaper for pets from the longitudinal center position to the longitudinal inner end of the side joint portion of the dorsal waist portion.

[0012] According to aspect 2, the area from the longitudinal center of the diaper to the inner end (lower end) of the side joint of the ventral waist portion is smaller, so that when putting the diaper on, the pet's legs are less likely to get caught when putting the diaper on, and leg movement is less likely to be hindered even after the diaper is put on.

[0013] Aspect 3 is the pants-type disposable diaper for pets according to Aspect 1 or 2, in which the pair of inclined elastic members are arranged in the ventral waist portion and the rear waist portion, respectively, and when the inclined elastic members in the ventral waist portion are referred to as ventral inclined elastic members and the inclined elastic members in the rear waist portion are referred to as rear inclined elastic members, the length of the inclined portion of the rear inclined elastic member in the up-down direction is longer than the length of the inclined portion of the ventral inclined elastic member.

[0014] According to the third aspect, when the tail is passed through the tail insertion section to pull up the rear waist section while putting on the diaper, the length of the inclined portion of the rear inclined elastic member is long, so that the pulling force can be transmitted farther along the direction in which the rear inclined elastic member extends (i.e., further toward the crotch).

[0015] Aspect 4 is a pants-type disposable diaper for pets according to any one of aspects 1 to 3, wherein the pair of inclined elastic members are arranged in the rear waist portion and are arranged across the center position in the longitudinal direction when the pants-type disposable diaper for pets is unfolded and stretched.

[0016] According to the fourth aspect, the inclined elastic member on the back side extends across the longitudinal center position, i.e., to the ventral side, so that when the diaper is pulled up by passing the tail through the tail insertion part, the pulling force can be easily transmitted to the ventral side, thereby improving the fit of the diaper on the ventral side.

[0017] Aspect 5 is a pants-type disposable diaper for pets according to any one of aspects 1 to 4, wherein the pair of inclined elastic members are arranged in the rear waist portion, and in the vertical direction, the lower ends of the inclined elastic members are positioned lower than the upper end of the tail insertion portion.

[0018] According to aspect 5, by arranging the inclined elastic member at such a position, when the tail is passed through the tail insertion portion and the diaper is pulled up, the inclined elastic member works in conjunction with the tail insertion portion to pull up the tail insertion portion, making it easier for the tail to fit snugly.

[0019] Aspect 6 is a pants-type disposable diaper for pets according to any one of aspects 1 to 5, wherein the pair of inclined elastic members are arranged in the rear waist portion, and in the vertical direction, the lower ends of the inclined elastic members are positioned lower than the lower end of the tail insertion portion.

[0020] According to aspect 6, by arranging the inclined elastic member in such a position, when the tail is passed through the tail insertion portion and the diaper is pulled up, the inclined elastic member works in conjunction with the tail insertion portion to make it easier to pull up the tail insertion portion, improving the fit of the tail.

[0021] Aspect 7 is a pants-type disposable diaper for pets according to any one of Aspects 1 to 6, in which the pair of inclined elastic members are arranged in the rear waist portion, and the rear waist portion has a non-stretchable region between a pair of the inclined portions of the pair of inclined elastic members in which the inclined elastic members cannot stretch in the left-right direction, and the tail insertion portion and the non-stretchable region are arranged so as to have an overlapping portion in the left-right direction.

[0022] According to aspect 7, the non-stretchable area does not exhibit elasticity in the left-right direction, and by having an overlapping portion between the non-stretchable area and the tail insertion portion in the left-right direction, deformation of the tail insertion portion due to contraction in the left-right direction can be prevented.

[0023] Aspect 8 is a pants-type disposable diaper for pets according to any of Aspects 1 to 6, wherein the pair of inclined elastic members are arranged in the rear waist portion and have a straight portion arranged along the left-right direction between the pair of inclined portions, the straight portion has a discontinuous portion where the inclined elastic members are cut from the non-skin side and are discontinuous, the absorbent core is not present in the area that overlaps with the tail insertion portion in the thickness direction of the pants-type disposable diaper for pets, and the tail insertion portion and the discontinuous portion do not overlap when viewed in the thickness direction.

[0024] According to the eighth aspect, the discontinuous part of the inclined elastic member is a part where the inclined elastic member is cut from the non-skin side of the diaper, and if such a discontinuous part overlaps with the tail insertion part, there is a risk that the sheet material constituting the tail insertion part will be cut together with the tail insertion part when it is cut, causing leakage from the tail insertion part. By configuring the tail insertion part and the discontinuous part so that they do not overlap in the thickness direction, such leakage can be avoided.

[0025] Aspect 9 is a pants-type disposable diaper for pets according to aspect 8, wherein the pair of inclined elastic members are arranged across the center position in the longitudinal direction when the pants-type disposable diaper for pets is unfolded and stretched.

[0026] According to the ninth aspect, the inclined elastic member on the back side extends across the longitudinal center position, i.e., to the ventral side, so that when the tail is passed through the tail insertion part and pulled up, the pulling force is easily transmitted to the ventral side, improving the fit of the ventral side. Also, since the tail insertion part is disposed on the back waist part, the contraction force of the inclined elastic member that is disposed beyond the tail insertion part and further to the ventral side works in conjunction with the entire inclined elastic member when the diaper is pulled up, making it easier to pull up the tail insertion part.

[0027] Aspect 10 is a pants-type disposable diaper for pets according to any one of aspects 1 to 4 and aspects 7 to 9, wherein the pair of inclined elastic members are arranged in the rear waist portion, and in the vertical direction, the central position of the tail insertion portion is lower than the central position of the inclined portion.

[0028] According to the tenth aspect, the vertical center of the tail insertion part is lower than the vertical center of the inclined part, so that the inclined elastic member contracts when the diaper is put on, and it becomes easier to apply a force to pull up the lower tail insertion part. This makes it easier to fit the tail all the way into the tail insertion part.

[0029] ===First embodiment=== Hereinafter, a pants-type disposable diaper for pets according to a first embodiment of the present invention will be described with reference to the drawings.

[0030] Fig. 1 is a schematic perspective view of a pants-type disposable diaper 1 for pets (hereinafter also referred to as "diaper 1") according to the first embodiment, as viewed from the back side. Fig. 2 is a schematic plan view of the diaper 1 according to the first embodiment, in an unfolded and stretched state, as viewed from the skin side. Fig. 3 is a schematic cross-sectional view taken along line AA in Fig. 2. Fig. 4 is a schematic plan view of the diaper 1 according to the first embodiment, in an unfolded and stretched state, as viewed from the non-skin side.

[0031] The pants-type disposable diaper for pets 1 is a diaper for use on pets. In this specification, the term "pet" broadly includes vertebrates and invertebrates, and typically includes pet animals such as dogs, cats, rabbits, and hamsters.

[0032] The unfolded state of the diaper 1 refers to a state in which the pair of side joints 40 provided on both sides of the diaper 1 are separated and the diaper 1 is opened and unfolded in a plane. The stretched state of the diaper 1 refers to a state in which the elastic members of the diaper 1 are stretched to an extent that wrinkles in the diaper 1 are no longer visible. More specifically, this refers to a state in which each member constituting the diaper 1 is stretched until its dimensions match or are close to the dimensions of the member alone (i.e., the dimensions when the elastic members are not stretchable).

[0033] In the pants-type state shown in FIG. 1, the diaper 1 has a vertical direction, a horizontal direction, and a front-rear direction, and the diaper 1 is formed with a waist opening BH and a pair of leg openings LH. In the vertical direction, the waist side is the upper side, and the crotch side is the lower side. In the front-rear direction, the side that corresponds to the pet's abdominal side is the front side, and the side that corresponds to the pet's back side is the back side. The left-right direction is a direction along the pet's waist direction. In addition, as shown in FIG. 3, the direction in which the materials that constitute the diaper 1 are layered is called the thickness direction, and in the thickness direction, the side that faces the pet's skin when worn is called the skin side, and the opposite side is called the non-skin side. In addition, in the unfolded state shown in FIG. 2, the diaper 1 has a longitudinal direction, a left-right direction, and a thickness direction (a direction penetrating the paper in FIG. 2) that intersect with each other. The longitudinal direction is a direction along the vertical direction, and also a direction that connects the pet's abdominal side to the back side. That is, one side in the longitudinal direction corresponds to the front side in the front-rear direction, and the other side in the longitudinal direction corresponds to the rear side in the front-rear direction. The left-right direction is the same as the left-right direction in the pants-type state in FIG.

[0034] The diaper 1 comprises an exterior body 5 and a liquid-absorbent absorbent main body 10, and the exterior body 5 is joined to the non-skin side of the absorbent main body 10. As shown in Figs. 2 and 3, the exterior body 5 of the diaper 1 is integrally formed so as to be continuous in the longitudinal direction of the absorbent main body 10. In other words, the diaper 1 is a so-called two-piece type disposable diaper formed of two components, the absorbent main body 10 and the exterior body 5. The exterior body 5 has a ventral waist portion 20 which is a portion in front of a central position CL in the longitudinal direction, and a rear waist portion 30 which is a portion behind the central position CL.

[0035] 2 and 3, the ventral waist portion 20 is a portion to which one longitudinal end side (end 10ef) of the absorbent main body 10 is joined and which is located on the ventral side of the pet when the pet wears the diaper 1. The rear waist portion 30 is a portion to which the other longitudinal end side (end 10eb) of the absorbent main body 10 is joined and which is located on the rear side of the pet when the pet wears the diaper 1.

[0036] 2 into a pants-type diaper, the absorbent body 10 and the exterior body 5 are folded in half at a central position CL in the longitudinal direction so that the ventral waistline portion 20 and the rear waistline portion 30 face each other. In this folded state, both left and right sides of the ventral waistline portion 20 and both left and right sides of the rear waistline portion 30 are joined by welding (for example, thermal welding or ultrasonic welding) or the like to form a pair of side joining portions 40, thereby making the diaper 1 into a pants-type diaper.

[0037] The absorbent body 10 includes an absorbent core 12 that absorbs excrement, a liquid-permeable top sheet 11 arranged closer to the skin than the absorbent core 12, and a liquid-impermeable back sheet 13 arranged closer to the skin than the absorbent core 12, and these are bonded together by an adhesive or the like. However, the absorbent body 10 may include other sheet members. For example, a second sheet (not shown) may be provided between the top sheet 11 and the absorbent core 12 in the thickness direction.

[0038] An example of the absorbent core 12 is a liquid-absorbent fiber such as pulp fiber that is impregnated with a superabsorbent polymer and molded into a predetermined shape. The absorbent core 12 may be covered with a core wrap sheet 17 such as liquid-permeable tissue paper or nonwoven fabric. Other examples of the absorbent core 12 include a SAP sheet in which a SAP layer is attached to a hydrophilic sheet, and an airlaid sheet in which liquid-absorbent fiber is molded into a sheet by an airlaid method.

[0039] Furthermore, leak-proof wall portions (not shown) may be provided on both the left and right sides of the absorbent body 10. The leak-proof wall portions are portions that correspond to so-called three-dimensional gathers, and when the diaper 1 is worn, the leak-proof wall portions rise from both the left and right sides of the absorbent body 10 toward the pet's skin, thereby preventing excreted liquid such as urine from leaking out of the absorbent body 10.

[0040] As shown in Fig. 3, the exterior body 5 has a skin side sheet 6 and a non-skin side sheet 7 laminated adjacent to the non-skin side of the skin side sheet 6. In this embodiment, the skin side sheet 6 and the non-skin side sheet 7 can be formed of, for example, a spunbond nonwoven fabric or an SMS nonwoven fabric (spunbond-meltblown-spunbond nonwoven fabric). The outer end of the non-skin side sheet 7 in the longitudinal direction is folded back towards the skin side. The folded back portion of the non-skin side sheet 7 encases one end (outer end) of the skin side sheet 6 in the longitudinal direction. The outer end of the non-skin side sheet 7 in the longitudinal direction may not be folded back.

[0041] In the ventral waist portion 20 of the exterior body 5, a plurality of ventral elastic members 23 such as rubber threads stretchable in the left-right direction are arranged in a vertical line. Similarly, in the back waist portion 30 of the exterior body 5, a plurality of back elastic members 33 such as rubber threads stretchable in the left-right direction are arranged in a vertical line while stretched in the left-right direction. The ventral and back elastic members 23, 33 are sandwiched between the skin side sheet 6 and the non-skin side sheet 7 while stretched in the left-right direction, and the ventral and back elastic members 23, 33 impart left-right stretchability to the ventral waist portion 20 and the back waist portion 30.

[0042] In the present embodiment, the ventral waist portion 20 and the back waist portion 30 are provided with a ventral inclined elastic member 8a and a back inclined elastic member 8b, at least a part of which is arranged along a pair of leg openings LH, between the skin side sheet 6 and the non-skin side sheet 7. The ventral and back inclined elastic members 8a and 8b may be, for example, a plurality of rubber threads or a band-like elastic sheet having elasticity. The ventral and back inclined elastic members 8a and 8b are joined and fixed in a stretched state by an adhesive such as a hot melt adhesive.

[0043] In this embodiment, three inclined elastic members 8a, 8b are provided in a row at intervals in a direction perpendicular to the extension direction of the ventral and dorsal inclined elastic members 8a, 8b, respectively. However, the number of the ventral and dorsal inclined elastic members 8a, 8b may be one or a number other than three, and at least one pair of the inclined elastic members 8a, 8b may be provided on both the left and right sides.

[0044] The ventral-side inclined elastic member 8a and the back-side inclined elastic member 8b of this embodiment each have an inclined portion 801a, 801b extending obliquely downward in the vertical direction and toward the inside in the horizontal direction on both sides in the horizontal direction and below the pair of side joints 40. Specifically, as shown in Fig. 2, the ventral-side inclined elastic member 8a has an inclined portion 801a, 801a extending obliquely downward in the vertical direction and toward the inside in the horizontal direction on both sides in the horizontal direction and below a line EL2 connecting a lower end 40eb of the left side joint 40 and a lower end 40eb of the right side joint 40 in the horizontal direction in the ventral-side waist portion 20. Similarly, the back-side inclined elastic member 8b is located below the line EL1 connecting the lower end 40eb of the left side joint 40 in the left-right direction and the lower end 40eb of the right side joint 40 in the left-right direction in the back-side waist portion 30, and has inclined portions 801b, 801b on both left-right sides, which extend diagonally downward in the vertical direction and toward the inside in the left-right direction.

[0045] As shown in FIG. 4, the ventral inclined elastic member 8a of the present embodiment has a straight portion 802a arranged along the left-right direction between at least a pair of inclined portions 801a, 801a. Similarly, the dorsal inclined elastic member 8b has a straight portion 802b arranged along the left-right direction between at least a pair of inclined portions 801b, 801b. In the straight portions 802a, 802b, the ventral inclined elastic member 8a and the dorsal inclined elastic member 8b are joined and fixed between the skin side sheet 6 and the non-skin side sheet 7 in a state in which they are stretched in the left-right direction, respectively. Note that the ventral inclined elastic member 8a and the dorsal inclined elastic member 8b may not have the straight portions 802a, 802b, respectively. In addition, the straight portions 802a and 802b may be curved portions curved toward the inside in the left-right direction, for example, as long as they promote expansion and contraction in the left-right direction.

[0046] In addition, the ventral waist portion 20 has a non-stretchable region 8aX between a pair of inclined portions 801a, 801a of the inclined elastic members 8a, 8a on both sides in the left-right direction, where the ventral inclined elastic member 8a is not stretchable in the left-right direction. Similarly, the rear waist portion 30 has a non-stretchable region 8bX between a pair of inclined portions 801b, 801b of the inclined elastic members 8b, 8b on both sides in the left-right direction, where the rear inclined elastic member 8b is not stretchable in the left-right direction. The arrangement of the non-stretchable regions 8aX and 8bX is not limited to the positions shown in FIG. 4, and they may be provided at least in the center of the diaper 1 in the left-right direction to suppress the contraction of the absorbent core 12 in the left-right direction.

[0047] In the non-stretchable regions 8aX and 8bX, the ventral-side inclined elastic member 8a and the dorsal-side inclined elastic member 8b are not fixed with an adhesive when they are disposed between the skin-side sheet 6 and the non-skin-side sheet 7, but are cut in the portions that will become the non-stretchable regions 8aX and 8bX. This makes it possible to configure the non-stretchable regions 8aX and 8bX so that they do not stretch in the left-right direction while retaining the stretchability of the straight line portions 802a and 802b. Furthermore, the formation of the non-stretchable regions 8aX and 8bX is not limited to this. For example, as shown in FIG. 7 described later, the non-stretchable regions 8aX and 8bX can be formed by fixing the ventral and dorsal inclined elastic members 8a, 8b with an adhesive in the portions that will become the non-stretchable regions 8aX and 8bX, while cutting the ventral and dorsal inclined elastic members 8a, 8b at multiple locations in the portions that will become the non-stretchable regions 8aX and 8bX by pressing or the like (i.e., cutting them into small pieces) to kill the stretchability.

[0048] The absorbent body 10 is provided with a tail insertion section 50 through which the tail of a pet can be inserted. The tail insertion section 50 may be, for example, a substantially U-shaped cut. The shape of the tail insertion section 50 is not limited to a substantially U-shaped shape, and may be a semicircular, rectangular, trapezoidal, polygonal, or elliptical shape. When the tail insertion section 50 is formed by a cut, the shape is not limited to the above-mentioned shapes, and the cut may be, for example, a cross-shaped cut. The cut of the tail insertion section 50 may be a continuous cut, or may be a perforation or other structure that allows each sheet member (here, the top sheet 11, the core wrap sheet 17, the back sheet 13, the skin side sheet 6, and the non-skin side sheet 7) constituting the part forming the cut to be torn. The tail insertion section 50 may also have an additional cut to enlarge the size of the tail insertion section 50. The tail insertion section 50 is not limited to a cut, and may be an opening through which the tail can be inserted.

[0049] In this embodiment, an area 12NX where the absorbent core 12 does not exist is provided from the tail insertion portion 50 to a position spaced a predetermined distance outward in the longitudinal and left-right directions (see FIG. 3). In other words, the tail insertion portion 50 is formed by providing a cut in such an area 12NX, and the material constituting the absorbent core 12 is prevented from being exposed from the tail insertion portion 50.

[0050] Although the basic structure of the diaper 1 has been described above, the structure of the diaper 1 is not limited to the above. For example, the ventral waist portion 20 and the rear waist portion 30 do not have to be formed from a single continuous member (outer body 5), and the ventral waist portion 20 and the rear waist portion 30 may be formed as separate members, forming a so-called three-piece type diaper 1. Furthermore, the waist elastic members 23, 33 may be sheet-shaped elastic members (stretchable films or stretchable nonwoven fabrics) instead of rubber threads.

[0051] <How to put on disposable pants-type diapers for pets 1> Next, the operation of putting on the diaper 1 when actually putting it on a pet will be described. FIGS. 5A to 5C are diagrams for explaining the operation of putting on the diaper 1. FIGS. 5A to 5C show a case where the pet wearing the diaper 1 is a dog. First, the diaper changer supports the hind legs of the pet and inserts each hind leg into the leg opening LH one by one as shown in FIG. 5A. Next, the diaper 1 is pulled up to the vicinity of the position of the pet's tail, and the tail is passed through the tail insertion part 50 as shown in FIG. 5B. Finally, the diaper 1 is pulled up diagonally upward in front of the pet's body as shown in FIG. 5C. When pulling up, the diaper changer holds the abdominal waist part 20 and the dorsal waist part 30 firmly with their hands and pulls up the diaper 1 to fit the pet's waist, while at the same time pulling up the tail insertion part 50 to the back (base) of the tail to fit the tail.

[0052] In this way, when putting the pants-type diaper 1 for pets on a pet, the diaper 1 is pulled up by passing the pet's hind legs through the tail insertion portion 50 and then pulling up the diaper 1. However, when pulling up the diaper 1, the tail insertion portion 50 needs to be pulled up to the base of the tail, but sometimes it is difficult to pull it up all the way to the base, making it difficult for the tail to fit into the tail insertion portion 50.

[0053] In this regard, as described above, the rear waist portion 30 of the diaper 1 of this embodiment is provided with a rear inclined elastic member 8b (inclined elastic member) having an inclined portion 801b on both sides in the left-right direction and vertically below the pair of side joints 40. The ventral waist portion 20 is also provided with a rear inclined elastic member 8a (inclined elastic member) having an inclined portion 801a on both sides in the left-right direction and vertically below the pair of side joints 40. The inclined portions 801b of the rear inclined elastic member 8b arranged on the rear waist portion 30 facilitate application of a pulling force to both sides in the left-right direction of the tail insertion portion 50 when the tail is passed through the tail insertion portion 50 and the diaper 1 is finally pulled up during putting on the diaper 1 (in the state of FIG. 5C), and the rear inclined elastic member 8b cooperates to pull up the tail insertion portion 50, making it easier to pull up the tail insertion portion 50 to the back of the tail (the base). In addition, the inclined portion 801a of the ventral-side inclined elastic member 8a arranged in the ventral-side waist portion 20 facilitates coordination of the pulling force to the ventral-side absorbent body 10 when pulling up the diaper 1 for the final time when putting it on (when in the state of Figure 5C), thereby improving the fit on the ventral side.

[0054] In the present embodiment, three elastic members are arranged on each of the ventral inclined elastic member 8a and the dorsal inclined elastic member 8b on both the left and right sides, but the same effect as described above can be achieved if at least one pair (one each) of the inclined elastic members (8a, 8b) is arranged. In the present embodiment, the inclined elastic members (8a, 8b) are arranged on both the ventral waist portion 20 and the dorsal waist portion 30, but the present embodiment is not limited thereto, and it is sufficient that at least one of the ventral waist portion 20 and the dorsal waist portion 30 is provided with a pair of inclined elastic members (8a or 8b). Even if the inclined elastic member (8a or 8b) is arranged on either one of the ventral waist portion 20 and the dorsal waist portion 30, the pulling up property of the diaper 1 when worn can be improved as described above.

[0055] In this embodiment, as shown in FIG. 2, the length L1 of the inclined portion 801b of the back-side inclined elastic member 8b in the up-down direction (longitudinal direction) is longer than the length L2 of the inclined portion 801a of the ventral-side inclined elastic member 8a (L1>L2). The long length (L1) of the inclined portion 801b of the back-side inclined elastic member 8b allows the force of pulling up the back-side waistline portion 30 to be transmitted farther along the direction in which the back-side inclined elastic member 8b extends, that is, to the crotch side, when the back-side waistline portion 30 is pulled up by passing the tail of the pet through the tail insertion portion 50. Therefore, the back-side waistline portion 30 side is more easily pulled up when worn. In this embodiment, three back-side inclined elastic members 8b are arranged on both the left and right sides, but it is sufficient that at least one of the three back-side inclined elastic members 8b (i.e., at least one pair (one each) of back-side inclined elastic members 8a on both the left and right sides) has the above-mentioned configuration.

[0056] 2, in this embodiment, the back-side inclined elastic member 8b is disposed across the longitudinal center position CL. Since the back-side inclined elastic member 8b extends across the longitudinal center position CL, i.e., to the ventral waist portion 20, when the diaper 1 is pulled up by passing the tail through the tail insertion portion 50, the pulling force is linked to the back-side inclined elastic member 8b, and the pulling force is easily transmitted to the ventral side. This improves the fit of the ventral waist portion 20.

[0057] 2, in the longitudinal direction (vertical direction), the front end (lower end) 8be of the dorsal inclined elastic member 8b is located forward (lower) than the rear end (upper end) 50up of the tail insertion portion 50. By locating the front end (lower end) 8be of the dorsal inclined elastic member 8b in such a position, when the tail is passed through the tail insertion portion 50 and pulled up, the dorsal inclined elastic member 8b cooperates with the tail insertion portion 50 to pull it up, making it easier for the tail to fit.

[0058] Furthermore, in this embodiment, as shown in Fig. 2, in the longitudinal direction (vertical direction), the front end (lower end) 8be of the dorsal inclined elastic member 8b is located forward (lower) than the front end (lower end) 50dw of the tail insertion portion 50. In other words, the dorsal inclined elastic member 8b extends in the longitudinal direction (vertical direction) to a position that completely exceeds the tail insertion portion 50. By arranging the dorsal inclined elastic member 8b in such a position, when the tail is passed through the tail insertion portion 50 and pulled up, the dorsal inclined elastic member 8b works in conjunction with the tail insertion portion 50 to make it easier to pull up the tail insertion portion 50, improving the fit of the tail.

[0059] In this embodiment, the rear-side inclined elastic member 8b is disposed across the longitudinal center position CL, so that in the pants-type diaper 1 of Fig. 1, the lower end of the rear-side inclined elastic member 8b in the up-down direction is located at the lower end of the diaper 1 (i.e., at the longitudinal center position CL in Fig. 2). As described above, since the lower end of the rear-side inclined elastic member 8b is located below the lower end 50dw of the tail insertion portion 50, the rear-side inclined elastic members 8b disposed on both the left and right sides work together to easily pull up the tail insertion portion 50.

[0060] FIG. 6 is a plan view showing the area AR1 and the area AR2 in the diaper 1. In the present embodiment, as shown in FIG. 6, the area of the diaper 1 from the central position CL in the longitudinal direction of the diaper 1 in the unfolded and extended state to the inner end 40eb in the longitudinal direction of the side joint portion 40 of the ventral body circumferential portion 20 is defined as the area AR1 (the portion shown by the downward diagonal lines in the lower right in FIG. 6), and the area of the diaper 1 from the central position CL in the longitudinal direction to the inner end 40eb in the longitudinal direction of the side joint portion 40 of the dorsal body circumferential portion 30 is defined as the area AR2 (the portion shown by the downward diagonal lines in the lower left in FIG. 6). When this is the case, the area AR1 is smaller than the area AR2 (AR1 < AR2). That is, the diaper 1 of the present embodiment is configured such that the area on the ventral body circumferential portion 20 side is smaller. Since the area from the central position CL in the longitudinal direction of the diaper 1 to the inner end (lower end) 40eb of the side joint portion 40 of the ventral body circumferential portion 20 is smaller, when the pet wears the diaper 1 (specifically, as shown in FIG. 5A, when putting the hind legs into the leg opening LH), it is less likely that the pet's legs will get caught. Also, not only during wearing, but by having such a configuration, it is possible to make it difficult to inhibit the movement of the legs even after wearing.

[0061] Returning to FIG. 4, in the dorsal body circumferential portion 30 of the present embodiment, between the inclined portions 801b on both sides in the left - right direction, the dorsal inclined elastic member 8b has a non - stretchable region 8bX that cannot stretch or contract in the left - right direction, and the tail insertion portion 50 and the non - stretchable region 8bX have a portion that overlaps in the left - right direction. Since the non - stretchable region 8bX is a region where the stretchability in the left - right direction does not appear, by having a portion where such a non - stretchable region 8bX and the tail insertion portion 50 overlap in the left - right direction, it is possible to prevent the deformation of the tail insertion portion 50 due to the contraction in the left - right direction.

[0062] Fig. 7 is a diagram illustrating a modification of the first embodiment. Fig. 7 is a diagram of the diaper 1 in an unfolded and stretched state as viewed from the non-skin side, and the difference from the first embodiment described above is that the ventral and dorsal inclined elastic members 8a, 8b are fixed with adhesive, and parts of the ventral and dorsal inclined elastic members 8a, 8b are cut from the non-skin side to provide non-stretchable regions 8aX, 8bX. To be more specific, in this modification, as in the above embodiment, the ventral inclined elastic member 8a has straight portions 802a, 802a arranged along the left-right direction between the inclined portions 801a, 801a on both the left-right sides, and the dorsal inclined elastic member 8b also has straight portions 802b, 802b arranged along the left-right direction between the inclined portions 801b, 801b on both the left-right sides. The dorsal straight portions 802b, 802b have discontinuous portions 802bN where the dorsal inclined elastic member 8b is cut from the non-skin side and is therefore discontinuous, and similarly, the ventral straight portions 802a, 802a have discontinuous portions 802aN where the ventral inclined elastic member 8a is cut from the non-skin side and is therefore discontinuous. The discontinuous portions 802aN and 802bN correspond to the non-stretchable regions 8aX, 8bX in the first embodiment where the ventral and dorsal inclined elastic members 8a, 8b do not exhibit stretchability in the left-right direction.

[0063] 7, the absorbent core 12 is also absent in the region overlapping with the tail insertion portion 50 in the thickness direction of the diaper 1 (see FIG. 3), i.e., the tail insertion portion 50 is formed in the region 12NX where the absorbent core 12 is absent. In the region 12NX, the non-skin side of the non-skin side core wrap sheet 17a located closer to the skin than the absorbent core 12 and the skin side of the non-skin side core wrap sheet 17b located closer to the skin are joined with a hot melt adhesive or the like to prevent the absorbent core 12 from being exposed from the tail insertion portion 50.

[0064] In this modification, the tail insertion portion 50 and the discontinuous portion 802bN do not overlap in the thickness direction. The discontinuous portion 802bN of the back-side inclined elastic member 8b is a portion where the back-side inclined elastic member 8b is cut from the non-skin side of the diaper 1, that is, from the non-skin side of the non-skin side sheet 7 arranged closest to the skin side. If such a discontinuous portion 802bN and the tail insertion portion 50 overlap, when the back-side inclined elastic member 8b is cut, a part of the sheet member (non-skin side sheet 7, skin side sheet 6, back sheet 13, core wrap sheet 17, etc.) constituting the tail insertion portion 50 may also be cut together, causing leakage from the tail insertion portion 50. By configuring the tail insertion portion 50 and the discontinuous portion 802bN not to overlap in the thickness direction, such leakage can be avoided.

[0065] 7, the back-side inclined elastic member 8b is also disposed across the longitudinal center position CL, i.e., the back-side inclined elastic member 8b extends to the ventral waist portion 20. Thus, in this modification, the fit on the ventral side is improved by easily transmitting the pulling force to the ventral side when worn while preventing leakage from the tail insertion portion 50. In addition, the contraction force of the back-side inclined elastic member 8b disposed beyond the tail insertion portion 50 and further to the ventral side works in conjunction with the entire back-side inclined elastic member 8b when the diaper 1 is pulled up, making it easier to pull up the tail insertion portion 50.

[0066] FIG. 8 is a diagram showing a modified arrangement of the tail insertion part 50. In the modified arrangement shown in FIG. 8, the tail insertion part 50 is disposed lower than the tail insertion part 50 in the above-mentioned embodiment. Specifically, in the vertical direction, the center position 50cL of the tail insertion part 50 is located lower than the center position 801bcL of the inclined part 801b of the back-side inclined elastic member 8b. As in this modified arrangement, the center position 50cL of the tail insertion part 50 in the vertical direction is located lower than the center position 801bcL of the inclined part 801b. When the back-side inclined elastic member 8b contracts in the vertical direction when the diaper 1 is worn, the upward pulling force of the back-side inclined elastic member 8b is easily applied to the tail insertion part 50 disposed below, making it easier to pull up the tail insertion part 50. This makes it easier to pull up the tail insertion portion 50 all the way to the back of the tail when pulling up the diaper 1 for the final time after putting it on (see FIG. 5C), improving the fit around the tail.

[0067] In the modification shown in Fig. 8, the tail insertion portion 50 is disposed lower than the tail insertion portion 50 in the above embodiment, but the longitudinal front end (lower end) 8be of the back-side inclined elastic member 8b is located forward (lower) than the front end (lower end) 50dw of the tail insertion portion 50, as in the above embodiment. That is, in this modification, the back-side inclined elastic member 8b also extends to a position completely beyond the tail insertion portion 50 in the vertical direction. Therefore, when the back-side inclined elastic members 8b disposed on both sides of the back-side waist portion 30 in the left-right direction apply a force to pull the entire back-side waist portion 30 upward, the tail insertion portion 50 is also pulled up by the force pulling up the entire portion, which makes it easier to improve the fit of the tail.

[0068] ===Second embodiment=== Next, a pants-type disposable diaper 1 according to a second embodiment will be described with reference to Fig. 9. In the following description of the second embodiment, the same components as those in the first embodiment will be denoted by the same reference numerals and will not be described. The diaper 1 according to the second embodiment differs in that the length of the inclined portion 801a of the ventral-side inclined elastic member 8a in the up-down direction (longitudinal direction) is longer than the length of the inclined portion 801b of the dorsal-side inclined elastic member 8b. In the second embodiment, the ventral-side inclined elastic member 8a is disposed across the central position CL in the longitudinal direction, whereas the dorsal-side inclined elastic member 8b does not straddle the central position CL.

[0069] Fig. 9 is a schematic plan view of the diaper 1 according to the second embodiment in an unfolded and stretched state, as seen from the skin side. As shown in Fig. 9, the diaper 1 according to the second embodiment is disposed below the tail insertion part 50 according to the first embodiment. Specifically, in the vertical direction, the center position 50cL of the tail insertion part 50 is disposed below the center position 801bcL of the inclined part 801b of the back-side inclined elastic member 8b. Since the center position 50cL of the tail insertion part 50 in the vertical direction is disposed below the center position 801bcL of the inclined part 801b, when the back-side inclined elastic member 8b contracts in the vertical direction when the diaper 1 is worn, the upward pulling force of the back-side inclined elastic member 8b is easily applied to the tail insertion part 50 disposed further downward, making it easier to pull up the tail insertion part 50. As a result, when pulling up the diaper 1 for the final time after putting it on (FIG. 5C), the tail insertion portion 50 can be easily pulled up to the back of the tail, improving the fit around the tail.

[0070] In addition, as described above, since the length of the inclined portion 801a of the abdominal-side inclined elastic member 8a in the vertical direction (longitudinal direction) is long, when the garment is worn, the pulling force can be transmitted farther along the direction in which the abdominal-side inclined elastic member 8a extends, that is, further to the crotch side. This improves the pulling ability of the abdominal-side waistline portion 20 when worn, and improves the fit of the abdominal side.

[0071] In the second embodiment, the length of the inclined portion 801b of the dorsal inclined elastic member 8b is shorter than that of the dorsal inclined elastic member 8b in the first embodiment, but in the vertical direction, the lower end 8be of the dorsal inclined elastic member 8b is located below the upper end 50up of the tail insertion portion 50. Therefore, when the tail is passed through the tail insertion portion 50 and pulled up, the dorsal inclined elastic member 8b pulls up the tail insertion portion 50 in conjunction with the tail insertion portion 50, making it easier to fit the tail.

[0072] ===Other=== The above-mentioned embodiment is for the purpose of facilitating understanding of the present invention, and is not intended to limit the present invention. The present invention can be modified or improved without departing from the spirit of the present invention, and it goes without saying that the present invention includes equivalents thereof.

[0073] In the first and second embodiments described above, the rear-side inclined elastic member 8b or the ventral-side inclined elastic member 8a is arranged to straddle the longitudinal center position CL of the diaper 1 in the unfolded and stretched state, but the present invention is not limited thereto, and both the rear-side inclined elastic member 8b and the ventral-side inclined elastic member 8a may be arranged not to straddle the longitudinal center position CL of the diaper 1. In particular, in the first embodiment, if the lower end 8be of the rear-side inclined elastic member 8b is arranged below the lower end 50dw of the tail insertion portion 50, when the diaper 1 is finally pulled up during putting on (see FIG. 5C), the rear-side inclined elastic member 8b will pull up the tail insertion portion 50 in conjunction with the rear-side inclined elastic member 8b, making it easier to fit the diaper 1 up to the base of the tail.

[0074] The position of the tail insertion part 50 in the diaper 1 of the second embodiment is merely an example and is not limited thereto. For example, the tail insertion part 50 may be located higher in the vertical direction than the position of the tail insertion part 50 shown in Fig. 9, and specifically, the lower end 50dw of the tail insertion part 50 may be located higher than the lower end of the back-side inclined elastic member 8b. [Explanation of symbols]

[0075] 1. Disposable pants-type diapers for pets (diapers) 5 Exterior body 6 Skin side sheet 7 Non-skin side sheet 8a Ventral inclined elastic member (inclined elastic member) 8aX non-stretchable area 8b Back side inclined elastic member (inclined elastic member) 8be front end (lower end) 8bX non-stretchable area 10 Absorbent body 10eb end 10ef end 11 Top sheet 12 Absorbent Core Areas where 12NX core does not exist 13 Back Seat 17 Core wrap sheet 17a Skin side core wrap sheet 17b Dorsal core wrap sheet 20 Ventral waist 23 Ventral elastic member 30 Back waist circumference 33 Back elastic member 40 Side joint 40eb Inner edge (lower edge) 50 Tail insertion part 50cL center position 50dw front end (lower end) 50up Rear end (upper end) 801a Slope 801b Slope 801bcL center position 802a Straight section 802aN Discontinuous part 802b Straight section 802bN Non-continuous section

Claims

1. having an up-down direction and a left-right direction that intersect with each other, The absorbent body includes an absorbent core, a ventral waistband, and a rear waistband. A pants-type disposable diaper for pets, in which the ventral waist portion and the rear waist portion are joined by a pair of side joining portions on both sides in the left-right direction, A tail insertion portion through which a tail can be inserted is provided below the pair of side joint portions in the up-down direction, At least one of the ventral waist portion and the back waist portion is provided with a pair of inclined elastic members each having an inclined portion extending obliquely downward toward the inside in the left-right direction and below the pair of side joint portions in the up-down direction and on both sides in the left-right direction. A pants-type disposable diaper for pets.

2. The pants-type disposable diaper for pets according to claim 1, The area of ​​the pant-type disposable diaper for pets in an expanded and stretched state from a central position in the longitudinal direction of the pant-type disposable diaper for pets to an inner end in the longitudinal direction of the side joint portion of the ventral waist portion is smaller than the area of ​​the pant-type disposable diaper for pets from the central position to an inner end in the longitudinal direction of the side joint portion of the rear waist portion. A pants-type disposable diaper for pets.

3. The pants-type disposable diaper for pets according to claim 1 or 2, When the pair of inclined elastic members are arranged in the ventral waist portion and the back waist portion, and the inclined elastic members in the ventral waist portion are inclined elastic members in the ventral waist portion and the inclined elastic members in the back waist portion are inclined elastic members in the back waist portion, In the vertical direction, the length of the inclined portion of the back-side inclined elastic member is longer than the length of the inclined portion of the ventral-side inclined elastic member. A pants-type disposable diaper for pets.

4. The pants-type disposable diaper for pets according to claim 1 or 2, The pair of inclined elastic members are The waistband portion is disposed on the back side, and The disposable diaper for pets is extended and extended in the longitudinal direction, and the disposable diaper for pets is arranged across the central position. A pants-type disposable diaper for pets.

5. The pants-type disposable diaper for pets according to claim 1 or 2, The pair of inclined elastic members are disposed on the back waist portion, In the vertical direction, the lower end of the inclined elastic member is located lower than the upper end of the tail insertion part. A pants-type disposable diaper for pets.

6. The pants-type disposable diaper for pets according to claim 1 or 2, The pair of inclined elastic members are disposed on the back waist portion, In the vertical direction, the lower end of the inclined elastic member is located lower than the lower end of the tail insertion part. A pants-type disposable diaper for pets.

7. The pants-type disposable diaper for pets according to claim 1 or 2, The pair of inclined elastic members are disposed on the back waist portion, The back waist portion has a non-stretchable region between a pair of the inclined portions of the pair of inclined elastic members, in which the inclined elastic members cannot stretch in the left-right direction, The tail insertion portion and the non-stretchable region have an overlapping portion in the left-right direction. A pants-type disposable diaper for pets.

8. The pants-type disposable diaper for pets according to claim 1 or 2, The pair of inclined elastic members are Located in the back waist portion, a straight portion disposed along the left-right direction between the pair of inclined portions, the linear portion has a discontinuous portion where the inclined elastic member is cut from the non-skin side and is discontinuous, The absorbent core is not present in an area overlapping the tail insertion part in the thickness direction of the pants-type disposable diaper for pets, The tail insertion portion and the discontinuous portion do not overlap when viewed in the thickness direction. A pants-type disposable diaper for pets.

9. The pants-type disposable diaper for pets according to claim 8, The pair of inclined elastic members are arranged across the center position in the longitudinal direction of the pant-type disposable diaper for pets in an unfolded and extended state. A pants-type disposable diaper for pets.

10. The pants-type disposable diaper for pets according to claim 1 or 2, The pair of inclined elastic members are disposed on the back waist portion, In the vertical direction, the center position of the tail insertion portion is lower than the center position of the inclined portion. A pants-type disposable diaper for pets.

Images