Absorbent article for pets

Abstract

The present application relates to an absorbent article for pets, which improves the fitness of the absorbent article for pets. This absorbent article for pets is provided with a main body part that has a transverse elongated shape having a long side direction and a short side direction, and that includes a front surface sheet disposed on the skin surface side, a back surface sheet disposed on the non-skin surface side, and an absorbent body disposed between the front surface sheet and the back surface sheet. The main body section includes a low-stretch region disposed at a position overlapping the absorbent body when viewed from the thickness direction of the main body section, and a high-stretch region disposed at a position not overlapping the absorbent body when viewed from the thickness direction of the main body section, and the low-stretch region and the high-stretch region are disposed at positions offset from each other in the longitudinal direction. The low-stretch region and the high-stretch region each include an elastic member that provides a stretch force in the longitudinal direction, and the shrinkage rate of the high-stretch region in a natural state is higher than the shrinkage rate of the low-stretch region in a natural state.

Description

TECHNICAL FIELD

[0001] The present application relates to an absorbent article for pets. BACKGROUND

[0002] A diaper for a male dog is disclosed in Patent Literature 1, which has a belt-shaped main body formed in a manner that both end portions are capable of being fixed to each other, a water-absorbing body, and a pleat provided across a width direction at a portion of the main body in a manner that the main body is stretchable in a longitudinal direction. The diaper for a male dog is worn to a dog by winding the main body around a torso of the dog and fixing both end portions of the main body to each other at a back portion of the dog.

[0003] PRIOR ART DOCUMENTS

[0004] PATENT LITERATURE

[0005] Patent Literature 1: Japanese Utility Model Registration No. 3141580 SUMMARY

[0006] PROBLEMS TO BE SOLVED BY THE INVENTION

[0007] In order to prevent urine leakage, it is important to improve the fit of the absorbent article for pets. However, in the absorbent article for pets as described above, if the pet urinates and the urine is absorbed by the absorbent body, the absorbent body becomes heavy and droops, and a gap can sometimes occur between the body of the pet and the absorbent article for pets. If such a gap occurs, urine leakage can occur.

[0008] An object of the present application is to improve the fit of the absorbent article for pets.

[0009] SOLUTION TO THE PROBLEM

[0010] One aspect of the present application relates to an absorbent article for pets, which is worn by being wrapped around a waist of a pet, wherein the absorbent article for pets has a main body portion having a transverse shape including a longitudinal direction and a lateral direction, and includes a surface sheet disposed on a skin surface side, a back sheet disposed on a non-skin surface side, and an absorbent body disposed between the surface sheet and the back sheet, the main body portion includes a low stretch region disposed at a position overlapping the absorbent body when viewed in a thickness direction of the main body portion and a high stretch region disposed at a position not overlapping the absorbent body when viewed in the thickness direction of the main body portion, the low stretch region and the high stretch region are disposed at positions shifted from each other in the longitudinal direction, the low stretch region and the high stretch region each include an elastic member that provides a stretch force in the longitudinal direction, and a contraction rate of the high stretch region in a natural state is higher than a contraction rate of the low stretch region in the natural state.

[0011] In the pet absorbent article described above, the main body includes a low-elasticity region positioned to overlap with the absorbent body when viewed from the thickness direction of the main body, and a high-elasticity region positioned not to overlap with the absorbent body when viewed from the thickness direction of the main body. According to this structure, the low-elasticity region and the high-elasticity region expand and contract in accordance with changes in the pet's posture and body shape, thus improving the fit of the pet absorbent article. Furthermore, even when the absorbent body absorbs urine, the absorbent body is lifted by the contractile force of the low-elasticity region, suppressing sagging and maintaining the fit of the pet absorbent article. Moreover, by making the contraction rate of the low-elasticity region relatively small in its natural state, wrinkles can be suppressed from forming on the absorbent body. Therefore, the decrease in the fit of the pet absorbent article caused by wrinkles in the absorbent body can be suppressed, and urine can be effectively absorbed by the absorbent body. Therefore, according to this pet absorbent article, the fit of the pet absorbent article is improved, resulting in the suppression of urine leakage.

[0012] For the aforementioned absorbent pet articles, the elongation ratio of the elastic member in the high-elongation region in the unfolded state may be higher than the elongation ratio of the elastic member in the low-elongation region in the unfolded state.

[0013] For the aforementioned absorbent pet articles, the elastic member in the high-elasticity region and the elastic member in the low-elasticity region may be respectively joined to the main body, and the length of the portion where the elastic member in the high-elasticity region is joined to the main body may be longer than the length of the portion where the elastic member in the low-elasticity region is joined to the main body.

[0014] For the aforementioned absorbent pet articles, the elastic member in the high-elasticity region and the elastic member in the low-elasticity region may also be a continuous, integral elastic member.

[0015] For the aforementioned absorbent pet articles, the elastic members in the high-elasticity region and the elastic members in the low-elasticity region may also be discontinuous and independent elastic members.

[0016] For the aforementioned absorbent pet product, the main body may also have a pair of outer elastic members disposed on the outer side of the absorbent body in the short side direction and giving the main body elasticity, wherein the elongation ratio of the elastic member in the high-elongation region in the unfolded state is higher than the elongation ratio of the outer elastic member in the unfolded state.

[0017] For the aforementioned absorbent pet articles, it is also possible that, in the direction of the long side, the pair of outer elastic members partially overlap with the highly elastic region.

[0018] For the aforementioned absorbent pet articles, the main body may also have an indicator that changes color in response to the pet's urine, the indicator being formed at a position that does not overlap with the elastic members of the high-elasticity region and the low-elasticity region when viewed from the thickness direction.

[0019] For the aforementioned absorbent pet article, the main body may have a first portion disposed on one side of the long side direction relative to the center line of the main body and a second portion disposed on the other side of the long side direction relative to the center line of the main body. The highly elastic region is disposed in the first portion. A cutout is formed in the second portion of the main body on the extension line of the elastic member disposed in the highly elastic region. A locking member is provided in the second portion in a manner that overlaps with the cutout when viewed from the thickness direction and is used to engage the first portion and the second portion.

[0020] For the aforementioned absorbent pet articles, the elastic member disposed in the low-stretch area may extend in a direction intersecting the long side direction.

[0021] For the aforementioned absorbent pet articles, the length of the long side of the elastic member disposed in the low-elasticity region may be less than 3 / 4 of the length of the long side of the absorbent.

[0022] For the aforementioned pet absorbent articles, the length of the long side of the elastic member disposed in the low-elasticity region may be more than 1 / 4 of the length of the long side of the absorbent.

[0023] For the aforementioned absorbent pet articles, the low-elasticity area and the high-elasticity area may each include a plurality of elastic members arranged along the short side and extending along the long side.

[0024] Alternatively, in the above-mentioned absorbent pet article, the highly elastic region may be disposed between the absorbent body and the end edge of the main body in the long side direction. The absorbent pet article may also include a snap-fit ​​member disposed between the highly elastic region and the end edge in the long side direction and engaged with the surface sheet from the skin side.

[0025] Alternatively, in the above-mentioned absorbent pet article, the highly elastic region may be disposed between the end edge of the absorbent body and the main body in the long side direction. The absorbent pet article may also have a snap-fit ​​member that engages with the surface sheet from the skin side, and when viewed from the thickness direction, the snap-fit ​​member and the highly elastic region at least partially overlap.

[0026] Effects of the utility model

[0027] According to the various technical solutions of this utility model, the fit of absorbent pet products can be improved. Attached Figure Description

[0028] Figure 1 This is a top view of an embodiment of an absorbent pet product viewed from the skin side.

[0029] Figure 2 This is a top view of a pet absorbent product viewed from the non-skin side.

[0030] Figure 3 It is along Figure 1 A cross-sectional view of an AA-lined absorbent pet item.

[0031] Figure 4 It is along Figure 1 A cross-sectional view of a BB line pet absorbent item.

[0032] Figure 5 This diagram illustrates the steps of dressing a pet with absorbent materials.

[0033] Figure 6 This is a flowchart illustrating a method for manufacturing an absorbent article for pets according to one embodiment.

[0034] Figure 7 This diagram schematically illustrates an example of a manufacturing apparatus that applies a method for manufacturing absorbent articles for pets.

[0035] Figure 8 This diagram schematically illustrates an example of a manufacturing apparatus that applies a method for manufacturing absorbent articles for pets.

[0036] Figure 9 This is a top view showing the composite before it was divided into multiple absorbent items for pets.

[0037] Figure 10 This is a top view of another embodiment of the absorbent pet product, viewed from the skin side.

[0038] Explanation of reference numerals in the attached figures

[0039] 1. 1A. Absorbent material for pets; 2. Main body; 2A. Part 1; 2B. Part 2; 10. Surface sheet; 20. Back sheet; 30. Absorbent body; 61. 62. Outer elastic member; 63. 65. Inner elastic member (elastic member); 80. Engaging member; 90. Indicator; HR. High stretch area; LR. Low stretch area; SL1. First slit (cut); SL2. Second slit (cut). Detailed Implementation

[0040] [Summary of the implementation methods of this application]

[0041] The following list of items is used to illustrate the general outline of the embodiments of this application. Furthermore, this application includes any combination of the following items.

[0042] (Project 1)

[0043] One proposed solution relates to a pet absorbent article that is worn by wrapping around a pet's waist. The pet absorbent article comprises a main body having a transversely elongated shape including a long side and a short side, and includes a surface sheet disposed on the skin side, a back sheet disposed on the non-skin side, and an absorbent body disposed between the surface sheet and the back sheet. The main body includes a low-elasticity region disposed at a position overlapping the absorbent body when viewed from the thickness direction of the main body, and a high-elasticity region disposed at a position not overlapping the absorbent body when viewed from the thickness direction of the main body. The low-elasticity region and the high-elasticity region are positioned offset from each other in the long side direction. Each of the low-elasticity region and the high-elasticity region includes an elastic member providing elastic force in the long side direction. The shrinkage rate of the high-elasticity region in its natural state is higher than that of the low-elasticity region in its natural state.

[0044] In the pet absorbent article described above, the main body includes a low-elasticity region positioned to overlap with the absorbent body when viewed from the thickness direction of the main body, and a high-elasticity region positioned not to overlap with the absorbent body when viewed from the thickness direction of the main body. According to this structure, the low-elasticity region and the high-elasticity region expand and contract in accordance with changes in the pet's posture and body shape, thus improving the fit of the pet absorbent article. Furthermore, even when the absorbent body absorbs urine, the absorbent body is lifted by the contractile force of the low-elasticity region, suppressing sagging and maintaining the fit of the pet absorbent article. Moreover, by making the contraction rate of the low-elasticity region relatively small in its natural state, wrinkles can be suppressed from forming in the absorbent body. Therefore, the decrease in the fit of the pet absorbent article caused by wrinkles in the absorbent body can be suppressed, and urine can be effectively absorbed in the absorbent body. Therefore, according to this pet absorbent article, the fit of the pet absorbent article is improved, resulting in the suppression of urine leakage.

[0045] (Project 2)

[0046] In the pet absorbent article described in Project 1, the elongation ratio of the elastic member in the high-stretch area when unfolded is higher than that of the elastic member in the low-stretch area when unfolded. By making the elongation ratio of the elastic member in the high-stretch area relatively high when unfolded, the high-stretch area can easily stretch and contract in accordance with changes in the pet's posture and body shape. Furthermore, by making the elongation ratio of the elastic member in the low-stretch area relatively low when unfolded, the decrease in the fit of the pet absorbent article caused by wrinkles in the absorbent body can be more effectively suppressed. Therefore, the fit of the pet absorbent article can be further improved.

[0047] (Project 3)

[0048] Alternatively, in the pet absorbent article described in Item 2, the elastic member in the high-elasticity region and the elastic member in the low-elasticity region are respectively joined to the main body, and the length of the joint between the elastic member in the high-elasticity region and the main body is longer than the length of the joint between the elastic member in the low-elasticity region and the main body. By making the length of the joint between the elastic member in the high-elasticity region and the main body relatively long, it is easier to maintain the high elongation ratio of the elastic member in the high-elasticity region.

[0049] (Project 4)

[0050] Alternatively, in any of the items 1 to 3, the elastic member in the high-elasticity region and the elastic member in the low-elasticity region are continuous, integral elastic members. In this case, the high-elasticity region and the low-elasticity region lift the absorbent body in tandem, thus further suppressing the sagging of the absorbent body.

[0051] (Project 5)

[0052] In any of the items 1 to 3, the elastic members in the high-elasticity region and the elastic members in the low-elasticity region are independent elastic members that are discontinuous with each other. In this case, it is possible to suppress the formation of wrinkles in the main body between the high-elasticity region and the low-elasticity region. As a result, it is possible to suppress the decrease in the fit of the pet absorbent article caused by wrinkles in the main body.

[0053] (Project 6)

[0054] Alternatively, in any one of items 1 to 5, the pet absorbent article may further include a pair of outer elastic members disposed on the outer side of the absorbent body in the short-side direction, providing elasticity to the main body. The elongation ratio of the elastic member in the high-elasticity region in the unfolded state is higher than that of the outer elastic member in the unfolded state. In this case, the fit of the pet absorbent article is improved by the pair of outer elastic members expanding and contracting in accordance with changes in the pet's posture and body shape. Furthermore, by making the elongation ratio of the elastic member in the high-elasticity region relatively high in the unfolded state, the high-elasticity region easily expands and contracts in accordance with changes in the pet's posture and body shape.

[0055] (Project 7)

[0056] In any of the items 1 to 6, in the pet absorbent article, a pair of outer elastic members partially overlap with the high-elasticity region along the long side. In this case, the sagging of the absorbent body can be further suppressed by utilizing the outer elastic members and the portion of the high-elasticity region that overlaps with the outer elastic members. Furthermore, since the other portions of the high-elasticity region do not overlap with the outer elastic members, excessive tightness of the pet absorbent article can be suppressed.

[0057] (Project 8)

[0058] Alternatively, in any of items 1 to 7, the main body of the absorbent pet article may further include an indicator that changes color in response to the pet's urine. This indicator is formed at a position that does not overlap with the elastic members of the high-elasticity and low-elasticity areas when viewed from the thickness direction. In this case, the user can identify whether the pet has urinated. Furthermore, it prevents the indicator from obstructing the expansion and contraction of the high-elasticity and low-elasticity areas.

[0059] (Project 9)

[0060] In any of the items 1 to 8, the absorbent pet article has a main body comprising a first portion disposed on one side of the long side relative to the centerline of the main body, and a second portion disposed on the other side of the long side relative to the centerline of the main body. A high-elasticity region is disposed in the first portion. A cutout is formed in the second portion of the main body along the extension line of the elastic member disposed in the high-elasticity region. A locking member is provided in the second portion, which is disposed in a manner overlapping the cutout when viewed from the thickness direction, and is used to engage the first portion and the second portion. This cutout is formed in the main body, for example, by cutting the elastic member during the manufacturing process of the absorbent pet article. In this absorbent pet article, the stiffness of the main body is increased by the locking member, which can suppress excessive enlargement of the cutout. As a result, deformation of the main body can be suppressed.

[0061] (Project 10)

[0062] Alternatively, in any of items 1 to 9, the elastic member disposed in the low-elasticity region extends in a direction intersecting the long side direction. In this case, by contracting the low-elasticity region along both the long and short sides, sagging of the absorbent can be further suppressed.

[0063] (Project 11)

[0064] Alternatively, in any of items 1 to 10, the length of the elastic member disposed in the low-stretch region along its long side is less than 3 / 4 of the length of the absorbent body along its long side. In this case, the length of the low-stretch region is relatively short, thus further suppressing the formation of wrinkles in the absorbent body.

[0065] (Project 12)

[0066] Alternatively, in any of items 1 to 11, the length of the elastic member disposed in the low-stretch region along its long side is at least one-quarter of the length of the absorbent body along its long side. In this case, the length of the low-stretch region is relatively long, thus the sagging of the absorbent body can be more effectively suppressed by utilizing the contractile force of the low-stretch region.

[0067] (Project 13)

[0068] Alternatively, in any of items 1 to 12, the low-elasticity area and the high-elasticity area each include multiple elastic members arranged along the short side and extending in the long side. In this case, because the multiple elastic members are arranged along the short side, the low-elasticity area and the high-elasticity area can easily expand and contract in accordance with changes in the pet's posture and body shape. Furthermore, by contracting the low-elasticity area, sagging of the absorbent can be effectively suppressed. Therefore, the fit of the pet absorbent can be further improved.

[0069] (Project 14)

[0070] In any of the pet absorbent articles described in items 1 to 13, a highly elastic region is disposed between the end edges of the absorbent body and the main body in the long-side direction. The pet absorbent article also includes a locking member disposed between the highly elastic region and the end edges in the long-side direction and joined to the surface sheet from the skin side. In this case, the contractile force of the highly elastic region can be used to prevent the locking member from deforming in an undulating manner. Therefore, it is possible to prevent the engagement between the surface sheet and the back sheet from being unintentionally released, for example, when the locking member is locked to the back sheet and the surface sheet and the back sheet are locked together.

[0071] (Project 15)

[0072] In any of the pet absorbent articles described in items 1 to 13, a highly elastic region is disposed between the long-side edge of the absorbent body and the long-side edge of the main body. The pet absorbent article also includes a locking member that engages with the surface sheet from the skin side, and when viewed in the thickness direction, the locking member at least partially overlaps with the highly elastic region. In this case, for example, when the surface sheet and the back sheet are engaged by engaging the locking member with the back sheet, the locking member is pulled by the contractile force of the highly elastic region, thereby firmly engaging the surface sheet and the back sheet. This prevents the pet absorbent article from accidentally falling off.

[0073] (Project 16)

[0074] One method involves manufacturing a pet absorbent article for wearing around a pet's waist. The method includes: preparing a first strip-shaped component extending along its long side; intermittently applying a hot-melt adhesive to one or more elastic members to form multiple adhesive areas spaced apart along the long side of the elastic members, thus bonding the multiple adhesive areas of the one or more elastic members to the first strip-shaped component while the elastic members are elongated along their long side; and layering a second strip-shaped component extending along the long side onto the first strip-shaped component, with the one or more elastic members in between, to form a structure comprising the first strip-shaped component, the one or more elastic members, and the second strip-shaped component. The process includes: a process of forming a composite of sheet components; a process of placing an absorbent on a first sheet component after forming the composite; a process of layering a strip-shaped third sheet component extending along the long side of the first sheet component with the absorbent on the first sheet component; and a process of cutting the composite and the third sheet component between multiple bonding areas to produce a pet absorbent article comprising the composite, the absorbent, and the third sheet component. In the process of producing the pet absorbent article, the composite is cut to cause one or more elastic members to contract between multiple bonding areas, thereby forming a low-elasticity region in the pet absorbent article that overlaps with the absorbent when viewed from the thickness direction of the pet absorbent article and a high-elasticity region that does not overlap with the absorbent when viewed from the thickness direction.

[0075] In the manufacturing method of the pet absorbent article described above, a hot melt adhesive is intermittently applied to the elastic member, forming multiple bonding areas of the elastic member spaced apart along its long side in the first member. Furthermore, the composite is cut, causing one or more elastic members to contract between the multiple bonding areas, thereby forming low-stretch areas in the pet absorbent article where they overlap with the absorbent body when viewed from the thickness direction, and high-stretch areas where they do not overlap with the absorbent body when viewed from the thickness direction. Based on this manufacturing method, for the same reasons as the aforementioned pet absorbent article, a pet absorbent article with improved fit can be manufactured.

[0076] (Project 17)

[0077] One method involves manufacturing a pet absorbent article for wearing by wrapping it around a pet's waist. The method includes: a step of preparing a first strip-shaped component extending along its long side; a step of intermittently applying a hot-melt adhesive to the first strip-shaped component to form multiple adhesive areas spaced apart along its long side, such that one or more elastic members are extended along their long side, and then bonding one or more elastic members to these adhesive areas; and a step of layering a second strip-shaped component extending along its long side onto the first strip-shaped component, with the one or more elastic members in between, to form a structure comprising the first strip-shaped component, one or more elastic members, and the second strip-shaped component. The process includes: forming a composite; placing an absorbent on a first component after forming the composite; layering a strip-shaped third component extending along its long side on the first component, with the absorbent in between; and cutting the composite and the third component between multiple bonding areas to produce a pet absorbent article comprising the composite, the absorbent, and the third component. In the process of producing the pet absorbent article, cutting the composite causes one or more elastic components to contract between multiple bonding areas, thereby forming a low-elasticity region in the pet absorbent article that overlaps with the absorbent when viewed from the thickness direction of the pet absorbent article and a high-elasticity region that does not overlap with the absorbent when viewed from the thickness direction.

[0078] In the manufacturing method of the pet absorbent article described above, a hot melt adhesive is intermittently applied to the first component, forming multiple bonding areas spaced apart along the long side of the first component. Furthermore, the composite is cut, causing one or more elastic members to contract between the multiple bonding areas, thereby forming low-elasticity areas in the pet absorbent article where they overlap with the absorbent body when viewed from the thickness direction, and high-elasticity areas where they do not overlap with the absorbent body when viewed from the thickness direction. Based on this manufacturing method, for the same reasons as the aforementioned pet absorbent article, a pet absorbent article with improved fit can be manufactured.

[0079] [Examples of Implementation Methods of this Application]

[0080] The following is a reference to the appendix. Figure 1 The embodiments of this application will be described in detail below. In the description of the drawings, the same reference numerals are used to refer to the same elements, and repeated descriptions are omitted. Sometimes, parts of the drawings are simplified or exaggerated for ease of understanding, and the size ratios are not limited to those shown in the drawings.

[0081] The following describes an absorbent article for pets according to one embodiment. Figure 1 This is a top view of the pet absorbent product 1 viewed from the skin side Z1. Figure 2 This is a top view of the pet absorbent item 1 viewed from the non-skin side Z2. Figure 3 It is along Figure 1 A cross-sectional view of AA-lined absorbent pet item 1. Figure 4 It is along Figure 1 A cross-sectional view of BB line pet absorbent item 1. Figures 1-4 The pet absorbent item 1 shown is a disposable pet diaper that absorbs pet urine.

[0082] Figures 1-4 The pet absorbent article 1 in its unfolded state is shown. The unfolded state means that the pet absorbent article 1 is stretched out to the point where no wrinkles are formed. In contrast, the natural state refers to the state where no external force is applied to the pet absorbent article 1. The skin-side Z1 refers to the side facing the pet's skin when the pet absorbent article 1 is worn, and the non-skin-side Z2 refers to the side facing the opposite side of the pet's skin when the pet absorbent article 1 is worn. In the following description, the person who puts the pet absorbent article 1 on the pet will be referred to as the "user." Typically, the user is the pet owner. Unless otherwise specified, the positional relationships in the unfolded state will be described in the following description.

[0083] In this instruction manual, "pet" broadly encompasses vertebrates and invertebrates, typically including dogs, cats, rabbits, hamsters, and other beloved pets. The absorbent pet product 1 is particularly suitable for male pets whose urethra is located further forward than the base of their hind legs. For example... Figure 1 As shown, the pet absorbent article 1 extends along a short side direction X, which is aligned with the pet's front-to-back direction (connecting the head and rump), and a long side direction Y, which is aligned with the pet's waist. The short side direction X and the long side direction Y are perpendicular to each other. The thickness direction Z is perpendicular to both the short side direction X and the long side direction Y, and includes the skin-facing side Z1, which faces the pet's skin when worn, and the non-skin-facing side Z2, which faces the opposite side of the pet's skin when worn. The pet absorbent article 1 is worn by wrapping it around the pet's waist.

[0084] The pet absorbent article 1 includes a main body 2. The main body 2 has a generally rectangular (horizontally elongated) planar shape with a short side in the X direction and a long side in the Y direction. The four corners of the main body 2 are cut off such that the width of the main body 2 narrows in the short side X direction. Alternatively, the four corners of the main body 2 may not be cut off. The main body 2 has a front edge 3 located at one end in the short side X direction and a rear edge 4 located at the other end in the short side X direction. When the pet absorbent article 1 is worn on a pet, the front edge 3 is located on the pet's front leg side, and the rear edge 4 is located on the pet's hind leg side. In the following description, the direction from the rear edge 4 to the front edge 3 is sometimes referred to as the front side, and the direction from the front edge 3 to the rear edge 4 is sometimes referred to as the rear side. Additionally, the main body 2 has a first end edge 5 located at one end in the long side Y direction and a second end edge 6 located at the other end in the long side Y direction.

[0085] The main body 2 has a first portion 2A disposed on one side of the long side direction Y relative to the center line P of the main body 2 in the long side direction Y, and a second portion 2B disposed on the other side of the long side direction Y relative to the center line P of the main body 2 in the long side direction Y. The first portion 2A is the area between the center line P and the first end edge 5, and the second portion 2B is the area between the center line P and the second end edge 6.

[0086] like Figures 1-4 As shown, the main body 2 includes a surface sheet 10, a back sheet 20, and an absorbent body 30. The surface sheet 10 forms the surface that contacts the pet in the main body 2, and is positioned on the skin side Z1. The surface sheet 10, for example, has permeability that allows the pet's urine to pass through to the absorbent body 30. The surface sheet 10 is located approximately at the center in the short-side direction X. Figure 3 and Figure 4 As shown, the surface sheet 10 is bonded to the back sheet 20, the absorbent 30, and the cover sheet 70 by a hot melt adhesive H1. Examples of nonwoven fabrics constituting the surface sheet 10 include hot-air nonwoven fabrics, spunbond nonwoven fabrics, or dot-bonded nonwoven fabrics.

[0087] The backsheet 20 forms the outermost surface of the main body 2 during wear, positioned on the non-skin side Z2. The backsheet 20 includes a liquid-impermeable backsheet film 21 and a backsheet nonwoven fabric 22 positioned on the non-skin side Z2, above the backsheet film 21. The backsheet film 21 has a width substantially the same as the backsheet nonwoven fabric 22. The backsheet nonwoven fabric 22 forms the outermost layer of the pet absorbent article 1. Examples of nonwoven fabrics constituting the backsheet nonwoven fabric 22 include hot-air nonwoven fabric, spunbond nonwoven fabric, or dot-bonded nonwoven fabric. The backsheet film 21 is bonded to the backsheet nonwoven fabric 22 by a hot-melt adhesive H2.

[0088] like Figure 3 As shown, the absorbent 30 is disposed between the surface sheet 10 and the back sheet 20 and is bonded to the cover sheet 70 by a hot-melt adhesive H6. The absorbent 30 is located approximately in the center of the main body 2 and is used to absorb pet urine. The absorbent 30 has a generally rectangular shape extending in the long side direction Y. The absorbent 30 includes an absorbent core 31 and a core-covering member 32. The absorbent core 31 includes absorbent pulp and a superabsorbent polymer (SAP). As pulp, for example, chemical pulp, cellulose fiber, synthetic fiber, cellulose acetate, etc., are used. As superabsorbent polymer, for example, starch-based, acrylic, amino acid-based granular or fibrous polymers are used. The core-covering member 32 covers the surface of the absorbent core 31 and is bonded to the absorbent core 31 by a hot-melt adhesive H3. Alternatively, the absorbent 30 may also be a SAP sheet composed mainly of SAP without pulp.

[0089] like Figure 1 As shown, the main body 2 includes a first end portion 7 disposed on one side in the longitudinal direction Y and a second end portion 8 disposed on the other side in the longitudinal direction Y. In one embodiment, the first end portion 7 is the region located in the longitudinal direction Y between the absorber 30 and the first end edge 5. The second end portion 8 is the region located in the longitudinal direction Y between the absorber 30 and the second end edge 6. The first end portion 7 is part of the first part 2A, and the second end portion 8 is part of the second part 2B.

[0090] The pet absorbent article 1 also includes a pair of leak-proof pleats 40. The pair of leak-proof pleats 40 are disposed on the surface sheet 10 and are arranged separately from each other in the short-side direction X. The pair of leak-proof pleats 40 are arranged to cover both sides of the surface sheet 10 in the short-side direction X from the skin-side Z1, and extend along the entire length of the main body 2 in the long-side direction Y. The pair of leak-proof pleats 40, by standing upright relative to the surface sheet 10, inhibit leakage of pet urine excreted into the absorbent body 30 in the short-side direction X.

[0091] A pair of leak-proof pleats 40 includes a front leak-proof pleat 41 disposed along the front end edge 3 and a rear leak-proof pleat 51 disposed along the rear end edge 4. For example... Figure 3 and Figure 4 As shown, the front leak-proof pleats 41 and the rear leak-proof pleats 51 are partially bonded to the surface sheet 10 by hot-melt adhesive H4, and partially bonded to the back sheet 20 by hot-melt adhesive H5. Figure 3 and Figure 4 In one example, the pair of leak-proof pleats 40 are configured as separate components relative to other components. However, in one embodiment, the pair of leak-proof pleats 40 can also be formed by folding the back nonwoven fabric 22 toward the surface sheet 10 side on the outside of the main body portion 2 in the short side direction X. In this case, a portion of the back nonwoven fabric 22 folded toward the surface sheet 10 side constitutes the pair of leak-proof pleats 40, and the other portion of the back nonwoven fabric 22 constitutes the back sheet 20 of the main body portion 2.

[0092] The front leak-proof pleat 41 includes a front leak-proof sheet 42 and an elastic member 43 disposed along the inner edge 42a of the front leak-proof sheet 42 in the short side direction X. The front leak-proof sheet 42 is disposed on one side (front end edge 3 side) in the short side direction X. The rear leak-proof pleat 51 includes a rear leak-proof sheet 52 and an elastic member 53 disposed along the inner edge 52a of the rear leak-proof sheet 52 in the short side direction X. The rear leak-proof sheet 52 is disposed on the other side (rear end edge 4 side) in the short side direction X. The front leak-proof sheet 42 and the rear leak-proof sheet 52 are respectively made of nonwoven fabric with water-repellent or hydrophobic properties. For example, the front leak-proof sheet 42 and the rear leak-proof sheet 52 are made of spunlace nonwoven fabric, spunbond nonwoven fabric, thermally bonded nonwoven fabric, meltblown nonwoven fabric, SMS nonwoven fabric, needle-punched nonwoven fabric, hot-air nonwoven fabric, etc.

[0093] exist Figure 1 For ease of explanation, the areas of the front leak-proof sheet 42 and the rear leak-proof sheet 52 that are joined to the surface sheet 10 are shown in shaded areas. The front leak-proof sheet 42 includes a lateral fixing portion 44, a first longitudinal fixing portion 45, a second longitudinal fixing portion 46, and a front upright portion 47. The lateral fixing portion 44, the first longitudinal fixing portion 45, and the second longitudinal fixing portion 46 are the areas of the front leak-proof sheet 42 that are joined to the surface sheet 10. The front upright portion 47 is the area of ​​the front leak-proof sheet 42 that is not joined to the surface sheet 10.

[0094] The lateral fixing part 44 is disposed on one side (front end edge 3 side) in the short side direction X relative to the absorber 30 and extends along the long side direction Y. A front erecting line 44a is formed at the junction between the lateral fixing part 44 and the front erecting part 47, which serves as the erecting fulcrum of the front erecting part 47 in the short side direction X.

[0095] The first longitudinal fixing part 45 is disposed on one side (first end edge 5 side) in the long side direction Y, and is joined to the main body part 2 in a state of falling inward in the short side direction X. An erection line 45a is formed at the junction between the first longitudinal fixing part 45 and the front erection part 47, which serves as the erection fulcrum of the front erection part 47 in the long side direction Y.

[0096] The second longitudinal fixing part 46 is disposed on the other side (second end edge 6 side) in the long side direction Y, and is joined to the main body part 2 in a state of falling inward in the short side direction X. An erection line 46a is formed at the junction between the second longitudinal fixing part 46 and the front erection part 47, which becomes the erection fulcrum of the front erection part 47 in the long side direction Y.

[0097] The first longitudinal fixing portion 45 and the second longitudinal fixing portion 46 are arranged separately from the transverse fixing portion 44 in the short side direction X. When viewed from the thickness direction Z, the first longitudinal fixing portion 45 and the second longitudinal fixing portion 46 partially overlap with the absorber 30. Alternatively, the first longitudinal fixing portion 45 and the second longitudinal fixing portion 46 may not overlap with the absorber 30 when viewed from the thickness direction Z. The first longitudinal fixing portion 45 and the second longitudinal fixing portion 46 are respectively bonded by hot melt adhesive H4 (see reference). Figure 3 and Figure 4 And it is bonded to the surface sheet 10.

[0098] The front upright portion 47 is disposed inside the front upright line 44a in the short side direction X, between the first longitudinal fixing portion 45 and the second longitudinal fixing portion 46, and is a non-joined area relative to the main body portion 2. The front upright portion 47 can be erected along the front upright line 44a. Furthermore, since the first longitudinal fixing portion 45 and the second longitudinal fixing portion 46 of the front leak-proof sheet 42 are joined to the main body portion 2, therefore... Figure 3 As shown, the front upright part 47 falls inward toward the short side X when it is in the unfolded state.

[0099] like Figure 3 As shown, a portion of the inner side of the front leak-proof sheet 42 in the short side direction X is folded towards the non-skin side side Z2, and an elastic member 43 is disposed between the folded front leak-proof sheets 42. The elastic member 43 is made of, for example, a stretchable material such as rubber or spandex that can contract in the long side direction Y.

[0100] The elastic member 43 is attached to the front leak-proof sheet 42 in an elongated state in the long side direction Y by a hot-melt adhesive. Therefore, when the elastic member 43 contracts in the long side direction Y, the front upright portion 47 contracts together with the elastic member 43 in the long side direction Y. As a result, the front upright portion 47 stands upright along the front upright line 44a on the outer side of the absorbent body 30 in the short side direction X. The erection of the front upright portion 47 prevents pet urine from moving along the surface of the surface sheet 10 and leaking forward.

[0101] The rear leak-proof pleat 51 includes a rear leak-proof sheet 52 comprising a lateral fixing portion 54, a first longitudinal fixing portion 55, a second longitudinal fixing portion 56, and a rear upright portion 57. The lateral fixing portion 54, the first longitudinal fixing portion 55, and the second longitudinal fixing portion 56 are areas of the rear leak-proof sheet 52 that are joined to the surface sheet 10. The rear upright portion 57 is an area of ​​the rear leak-proof sheet 52 that is not joined to the surface sheet 10.

[0102] The lateral fixing part 54 is disposed on the other side (rear end edge 4 side) of the absorber 30 in the short side direction X and extends along the long side direction Y. A rear standing line 54a is formed at the junction between the lateral fixing part 54 and the rear standing part 57, which serves as the standing fulcrum of the rear standing part 57 in the short side direction X.

[0103] The first longitudinal fixing part 55 is disposed on one side (first end edge 5 side) in the long side direction Y, and is joined to the main body part 2 in a state of falling inward in the short side direction X. An erection line 55a is formed at the junction between the first longitudinal fixing part 55 and the rear erection part 57, which serves as the erection fulcrum of the rear erection part 57 in the long side direction Y.

[0104] The second longitudinal fixing part 56 is disposed on the other side (second end edge 6 side) in the long side direction Y, and is joined to the main body part 2 in a state of falling inward in the short side direction X. An erection line 56a is formed at the junction between the second longitudinal fixing part 56 and the rear erection part 57, which serves as the erection fulcrum of the rear erection part 57 in the long side direction Y.

[0105] The first longitudinal fixing portion 55 and the second longitudinal fixing portion 56 are arranged separately from the transverse fixing portion 54 in the short side direction X. The first longitudinal fixing portion 55 and the second longitudinal fixing portion 56 do not overlap with the absorber 30 when viewed from the thickness direction Z. However, the first longitudinal fixing portion 55 and the second longitudinal fixing portion 56 may also partially overlap with the absorber 30 when viewed from the thickness direction Z. The first longitudinal fixing portion 55 and the second longitudinal fixing portion 56 are respectively bonded by hot melt adhesive H4 (see reference). Figure 3 and Figure 4 And it is bonded to the surface sheet 10.

[0106] The rear upright portion 57 is disposed inside the rear upright line 54a in the short side direction X, between the first longitudinal fixing portion 55 and the second longitudinal fixing portion 56, and is a non-joined area relative to the main body portion 2. The rear upright portion 57 can be erected along the rear upright line 54a. Furthermore, since the first longitudinal fixing portion 55 and the second longitudinal fixing portion 56 of the rear leak-proof sheet 52 are joined to the main body portion 2, therefore... Figure 3 As shown, the rear upright portion 57 falls inward toward the short side X when in the unfolded state.

[0107] like Figure 3 As shown, a portion of the inner side of the rear leak-proof sheet 52 in the short side direction X is partially folded towards the non-skin side side Z2, and an elastic member 53 is disposed between the folded rear leak-proof sheets 52. The elastic member 53 is made of, for example, a stretchable material such as rubber or spandex that can contract in the long side direction Y.

[0108] The elastic member 53 is joined to the rear leak-proof sheet 52 in an elongated state in the long side direction Y by a hot-melt adhesive. Therefore, when the elastic member 53 contracts in the long side direction Y, the rear upright portion 57 contracts together with the elastic member 53 in the long side direction Y. As a result, the rear upright portion 57 stands upright along the rear upright line 54a on the outer side of the absorbent body 30 in the short side direction X. The upright position of the rear upright portion 57 prevents pet urine from moving along the surface of the surface sheet 10 and leaking rearward.

[0109] The pet absorbent material 1 also includes an outer elastic member 61, an outer elastic member 62, multiple inner elastic members 63, and a cover sheet 70. The outer elastic members 61, 62, and 63 are made of elastic materials such as rubber, stretchable nonwoven fabric, stretchable membrane, or spandex, and are capable of stretching and contracting in the long side direction Y. Furthermore, the number of outer elastic members 61, 62, and 63 can be two or more. The outer elastic members 61, 62, and 63 stretch and contract in accordance with changes in the pet's body shape and posture in the long side direction Y (e.g., the pet's body twisting movements).

[0110] An outer elastic member 61 is disposed between the front upright line 44a and the front edge 3 in the short side direction X, and extends in the long side direction Y. The outer elastic member 61 is disposed between the front leak-proof pleat 41 and the back panel 20. The outer elastic member 61 is joined to the front leak-proof sheet 42 and the back panel 20 by a hot melt adhesive in an elongated state in the long side direction Y.

[0111] An outer elastic member 62 is disposed between the rear upright line 54a and the rear end edge 4 in the short side direction X, and extends in the long side direction Y. The outer elastic member 62 is disposed between the rear leak-proof pleat 51 and the back panel 20. The outer elastic member 62 is joined to the rear leak-proof panel 52 and the back panel 20 by a hot melt adhesive in an elongated state in the long side direction Y.

[0112] The cover sheet 70 is a sheet that fixes multiple inner elastic members 63. The cover sheet 70 is made of nonwoven fabric such as hot-air nonwoven fabric, spunbond nonwoven fabric, or dot-bonded nonwoven fabric. The cover sheet 70 extends along the entire length of the main body 2 in the long side direction Y. The cover sheet 70 is disposed between the back sheet 20 (back film 21) and the absorbent 30. The cover sheet 70 is bonded to the back film 21 by a hot melt adhesive H10. The hot melt adhesive H10 is coated along multiple coating areas CR that are separated from each other in the short side direction X and extend linearly in the long side direction Y. Thus, a space for arranging the inner elastic members 63 is formed between adjacent hot melt adhesives H10.

[0113] The main body 2 includes low-twist regions LR1 and LR2 and a high-twist region HR. Low-twist region LR1 is positioned to overlap with absorber 30 when viewed from the thickness direction Z. High-twist region HR is positioned to not overlap with absorber 30 when viewed from the thickness direction Z. Low-twist region LR2 is positioned to overlap with engaging member 80 when viewed from the thickness direction Z. Low-twist region LR2 is offset relative to high-twist region HR on one side of the long side direction Y (first end edge 5 side). Low-twist region LR1 is offset relative to high-twist region HR on the other side of the long side direction Y (second end edge 6 side). Low-twist regions LR1, LR2, and high-twist region HR are regions that provide contraction force in the long side direction Y to the main body 2.

[0114] In one embodiment, the low-stretch region LR1 is disposed between the centerline P of the main body 2 in the long side direction Y and the end edge 30a of the absorber 30 on one side (first end edge 5 side) in the long side direction Y. The high-stretch region HR is disposed at the first end 7 of the main body 2. More specifically, the high-stretch region HR is disposed between the first end edge 5 of the main body 2 and the end edge 30a of the absorber 30. The low-stretch region LR1 and the high-stretch region HR may also overlap with the end edge 30a of the absorber 30. The low-stretch region LR2 is disposed in the long side direction Y between the first end edge 5 and the end edge 80a on the other side (second end edge 6 side) of the engaging member 80 in the long side direction Y.

[0115] The low-extension regions LR1 and LR2 and the high-extension region HR each include multiple inner elastic members 63 that provide extension force in the long-side direction Y. The multiple inner elastic members 63 are arranged along the short-side direction X and extend in the long-side direction Y. In this case, the low-extension regions LR1 and LR2 and the high-extension region HR can easily extend and retract in accordance with changes in the pet's posture and body shape. The inner elastic members 63 include a straight portion 63A and curved portions 63B and 63C. The high-extension region HR includes the straight portion 63A, which extends and retracts in the long-side direction Y through extension and retraction. The low-extension region LR1 includes the curved portion 63B, which extends and retracts in the long-side direction Y through extension and retraction. The low-extension region LR2 includes the curved portion 63C, which extends and retracts in the long-side direction Y through extension and retraction. In one embodiment, the elastic members of the high-extension region HR and the low-extension regions LR1 and LR2 are continuous, integral inner elastic members 63. In this case, the high-stretch region HR and the low-stretch region LR1 work together to lift the absorber 30, thus further suppressing the sagging of the absorber 30.

[0116] The contraction rate of the high-stretch region HR in its natural state is higher than that of the low-stretch regions LR1 and LR2 in their natural state. In other words, the contraction force of the high-stretch region HR is higher than that of the low-stretch regions LR1 and LR2. When the length of the long side Y of the high-stretch region HR or the low-stretch regions LR1 and LR2 in their natural state is set to L1, and the length of the long side Y of the high-stretch region HR or the low-stretch regions LR1 and LR2 in their unfolded state is set to L2, the contraction rate of the high-stretch region HR or the low-stretch regions LR1 and LR2 in their natural state is expressed as (L2-L1) / L2×100 [%). Furthermore, the contraction rate of the low-stretch regions LR1 and LR2 can also be zero.

[0117] In the pet absorbent liner 1, the low-elasticity area LR1 and the high-elasticity area HR expand and contract to adapt to changes in the pet's posture and body shape, thus improving the fit of the pet absorbent liner 1. Furthermore, even when the absorbent body 30 has absorbed urine, the absorbent body 30 is lifted by the contraction force of the low-elasticity area LR1, suppressing sagging and maintaining the fit of the pet absorbent liner 1. Moreover, by making the contraction rate of the low-elasticity area LR1 relatively small in its natural state, wrinkles can be suppressed from forming on the absorbent body 30. Therefore, the decrease in the fit of the pet absorbent liner 1 caused by wrinkles in the absorbent body 30 can be suppressed, and urine can be effectively absorbed within the absorbent body 30.

[0118] When viewed from the thickness direction Z, the straight portion 63A extends linearly in the long side direction Y between the first end edge 5 of the main body portion 2 and the end edge 30a of the absorber 30. Multiple straight portions 63A are arranged in the short side direction X between the front upright line 44a and the rear upright line 54a. The straight portions 63A extend in the long side direction Y between adjacent hot melt adhesive H10 (coating area CR). The straight portions 63A are disposed between the cover sheet 70 and the back film 21, and are bonded to the cover sheet 70 by hot melt adhesive in an elongated state in the long side direction Y.

[0119] The curved portion 63B is connected to the straight portion 63A and extends curvedly between the centerline P of the main body portion 2 and the end edge 30a of the absorber 30 when viewed from the thickness direction Z. At least a portion of the curved portion 63B extends in a direction intersecting the long side direction Y. In this case, the sagging of the absorber 30 can be further suppressed by the low-elongation region LR1 contracting along the long side direction Y and the short side direction X. A plurality of curved portions 63B are arranged along the short side direction between the two end edges of the absorber 30 in the short side direction X. The curved portions 63B are joined to the cover sheet 70 by a hot melt adhesive. The lengths of the plurality of curved portions 63B may also be different from each other.

[0120] The length of the curved portion 63B in the long side direction Y can be less than 3 / 4 of the length of the absorber 30 in the long side direction Y. In this case, the length of the low-stretch region LR is relatively short, thus better suppressing the formation of wrinkles in the absorber 30. The length of the curved portion 63B in the long side direction Y can be more than 1 / 4 of the length of the absorber 30 in the long side direction Y. In this case, the length of the low-stretch region LR1 is relatively long, thus better suppressing the sagging of the absorber 30 by utilizing the contractile force of the low-stretch region LR1.

[0121] The curved portion 63C is connected to the straight portion 63A and extends curvedly between the first end edge 5 of the main body portion 2 and the end edge 80a of the engaging member 80 when viewed from the thickness direction Z. Multiple curved portions 63C are arranged along the short side direction. The curved portions 63C are joined to the cover sheet 70 by a hot-melt adhesive. The lengths of the multiple curved portions 63C may also differ from each other.

[0122] The elongation ratio of the straight portion 63A in the unfolded state is higher than that of the curved portions 63B and 63C in the unfolded state. In other words, the contraction force of the straight portion 63A is higher than that of the curved portions 63B and 63C. The elongation ratio of the straight portion 63A or the curved portions 63B and 63C in the unfolded state represents the degree of elongation when the natural length of the straight portion 63A or the curved portions 63B and 63C is set to 1. The natural length of the straight portion 63A or the curved portions 63B and 63C is the length of the straight portion 63A or the curved portions 63B and 63C without applied external force. For example, the elongation ratio of the straight portion 63A can be calculated using (length of the straight portion 63A in the elongated state) / (length of the straight portion 63A in the natural state). The elongation ratio of the straight portion 63A in the unfolded state can also be higher than that of the outer elastic members 61 and 62 in the unfolded state.

[0123] By making the elongation ratio of the straight portion 63A in the unfolded state relatively high, the high-elongation area HR can easily expand and contract in accordance with changes in the pet's posture and body shape. Furthermore, by making the elongation ratio of the curved portion 63B in the unfolded state relatively low, the decrease in the fit of the pet absorbent item 1 caused by wrinkles in the absorbent body 30 can be further suppressed. Therefore, the fit of the pet absorbent item 1 can be further improved.

[0124] In one embodiment, the length of the portion where the straight portion 63A and the cover sheet 70 join can be longer than the length of the portion where the curved portion 63B and the cover sheet 70 join. The length of the portion where the straight portion 63A and the cover sheet 70 join is the length of the portion of the straight portion 63A that joins the cover sheet 70 along the straight portion 63A. The length of the portion where the curved portion 63B and the cover sheet 70 join is the length of the portion of the curved portion 63B that joins the cover sheet 70 along the curved portion 63B. By making the length of the portion where the straight portion 63A and the cover sheet 70 join longer in this way, it is easier to maintain a high elongation ratio of the straight portion 63A.

[0125] In one embodiment, a pair of outer elastic members 61, 62 partially overlap with the high-elasticity region HR (straight portion 63A) in the long-side direction Y. More specifically, the pair of outer elastic members 61, 62 overlap with the portion of the high-elasticity region HR located on the absorbent body 30 side. In this case, the sagging of the absorbent body 30 can be further suppressed by utilizing the outer elastic members 61, 62 and the portion of the high-elasticity region HR that overlaps with the outer elastic members 61, 62. In addition, the other portions of the high-elasticity region HR (the portion of the high-elasticity region HR located on the first end edge 5 side) do not overlap with the outer elastic members 61, 62, thus suppressing excessive tightening of the pet absorbent article 1.

[0126] The pet absorbent item 1 also includes a locking component 80. The locking component 80 is a component that engages part 2A and part 2B. For example... Figure 1 As shown, the engaging member 80 has a rectangular shape that is longer in the short side direction X, and is disposed at the first end 7 of the first part 2A. The engaging member 80 is, for example, a hook-and-loop fastener with a plurality of hooks, capable of engaging with the back panel 20 of the second part 2B from the non-skin side Z2. Furthermore, the engaging member 80 can also engage with a portion of the surface panel 10 in the second part 2B. That is, a portion of the surface panel 10 in the first part 2A and other portions of the surface panel 10 in the second part 2B can be engaged.

[0127] In one embodiment, a target member 81 is provided on the outer surface of the back sheet 20 of the second part 2B. For example... Figure 2 As shown, the target member 81 is, for example, a hook and loop fastener with multiple loops that engage with the hooks of the engaging member 80, having a rectangular shape that is longer in the long side direction Y. When the pet absorbent article 1 is worn, the engaging member 80 is engaged with the back panel 20 via the target member 81 provided on the back panel 20. Alternatively, the engaging member 80 may be able to engage directly with the back panel 20.

[0128] The engaging member 80 is disposed in the long side direction Y between the high-elasticity region HR and the first end edge 5 of the main body 2, and is engaged with the surface sheet 10 from the skin surface side Z1. That is, the engaging member 80 does not overlap with the high-elasticity region HR when viewed from the thickness direction Z. In this case, it is possible to prevent the engaging member 80 from deforming in an undulating manner due to the contraction force of the high-elasticity region HR. Therefore, it is possible to prevent the engagement between the surface sheet 10 and the back sheet 20 from being unintentionally released when the engaging member 80 is engaged with the back sheet 20 and the surface sheet 10 and the back sheet 20 are engaged.

[0129] The pet absorbent article 1 also includes an indicator 90 that changes color in response to the pet's urine. The indicator 90 is formed, for example, by a hot-melt adhesive. The indicator 90 is disposed, for example, between the absorbent body 30 and the cover sheet 70. The indicator 90 extends along the long side direction Y from the center of the main body portion 2 in the short side direction X. The indicator 90 is formed at a position that does not overlap with the inner elastic member 63 when viewed from the thickness direction Z. More specifically, the indicator 90 is disposed at a position overlapping the absorbent body 30, offset relative to the low-elasticity region LR1 towards the other side in the long side direction Y (the second end edge 6 side). In this case, it is possible to prevent the indicator 90 from obstructing the expansion and contraction of the high-elasticity region HR and the low-elasticity region LR1.

[0130] like Figure 1 and Figure 2As shown, a plurality of first slits SL1 and a plurality of second slits SL2 are formed in the main body portion 2. The first slits SL1 and the second slits SL2 are formed in the main body portion 2 through elongated cuts during the manufacturing process of the pet absorbent article 1 when the inner elastic member 63 is cut and the inner elastic member 63 is contracted. Therefore, the plurality of first slits SL1 and the plurality of second slits SL2 are respectively disposed between the first end edge 5 and the second end edge 6 on the extension lines of the plurality of inner elastic members 63 (the plurality of straight portions 63A) disposed in the high elongation region HR.

[0131] The first slit SL1 and the second slit SL2 are formed between the absorber 30 and the second end edge 6. That is, the first slit SL1 and the second slit SL2 are formed at the second end 8. The first slit SL1 and the second slit SL2 are covered from the non-skin side Z2 by the target member 81 provided in the second part 2B. In this case, the rigidity of the main body 2 is increased by the engaging member 80, which can suppress the excessive expansion of the first slit SL1 and the second slit SL2. As a result, deformation of the main body 2 can be suppressed.

[0132] Multiple first slits SL1 and multiple second slits SL2 are formed with gaps in the short side direction X. The second slits SL2 are offset relative to the first slits SL1 in the long side direction Y. Specifically, the first slits SL1 are arranged with gaps relative to the second slits SL2 on the second end edge 6 side.

[0133] The first slit SL1 and the second slit SL2 may be formed only on the back sheet 20, only on the cover sheet 70, or they may be formed throughout both the back sheet 20 and the cover sheet 70. In one embodiment, the first slit SL1 and the second slit SL2 are not formed on the surface sheet 10. The first slit SL1 and the second slit SL2 are covered by the surface sheet 10 from the skin side Z1. In this case, it is possible to suppress the deterioration of skin feel when wearing the pet absorbent article 1.

[0134] The curved portions 63B and 63C of the inner elastic member 63 are formed, for example, as follows. In the manufacturing method of the pet absorbent article 1, the regions (adhesive regions) corresponding to the straight portions 63A of the multiple inner elastic members 63 are adhered to the cover sheet 70 while the multiple inner elastic members 63 are elongated in the long side direction Y. Then, a cut is made in the main body 2 (forming a first slit SL1 and a second slit SL2 in the main body 2), cutting off a portion of the inner elastic member 63 that is not adhered to the cover sheet 70. At this time, this portion of the inner elastic member 63 contracts along the long side direction Y, thereby being pulled back towards the adhesive region of the inner elastic member 63. This portion of the inner elastic member 63 bends during the process of being pulled back and is joined to the main body 2 by the adhesion of the peripheral hot melt adhesive. Thus, the curved portions 63B and 63C of the inner elastic member 63 that provide elastic force in the long side direction Y are formed.

[0135] Next, refer to Figure 5 The steps for putting the pet absorbent item 1 on the pet will be explained. Figure 5 This diagram illustrates the steps of putting the pet absorbent item 1 on a pet. First, the user places the second end 8 of the pet absorbent item 1 against the pet's back and holds the area near the second end 8 with one hand. Next, the user holds the first end 7 of the pet absorbent item 1 with their other hand and wraps the pet absorbent item 1 around the pet's abdomen. At this time, the pet absorbent item 1 is put on with the front leak-proof pleat 41 positioned in front of the pet's urethra and the rear leak-proof pleat 51 positioned behind the pet's urethra. Next, the user lifts the first end 7 upwards, so that the engaging member 80 of the first end 7 engages with the target member 81, ensuring the pet absorbent item 1 is snugly placed against the pet's waist.

[0136] In the aforementioned pet absorbent article 1, a first slit SL1 and a second slit SL2 are formed in the main body 2. However, in the pet absorbent article 1, the first slit SL1 and the second slit SL2 may not be formed in the main body 2. (See reference...) Figures 6-9 The manufacturing method of the absorbent pet item 1 under this condition will be explained.

[0137] Figure 6 This is a flowchart illustrating a method for manufacturing an absorbent pet article 1 according to one embodiment. Figure 7 and Figure 8 This is a schematic diagram illustrating an example of a manufacturing apparatus for a method of manufacturing a pet absorbent article 1. Figure 9This is a top view showing the composite before it is divided into multiple pet absorbent articles 1. The manufacturing method of the pet absorbent article 1 continuously manufactures the aforementioned pet absorbent article 1 by performing the processes described later. Furthermore, in the following description, the terms "upstream" and "downstream" are used based on the transport direction CD described later.

[0138] like Figure 7 As shown, the manufacturing apparatus 100 includes an elastic component supply device 102, a second component supply device 104, and a bonding piece supply device 108.

[0139] In one embodiment of the manufacturing method of the pet absorbent article 1, a first sheet member 270, a second sheet member 220, and a third sheet member 210 are first prepared (step ST1). The first sheet member 270 is a strip-shaped sheet member formed continuously in the long side direction Y by the cover sheet 70. The second sheet member 220 is a strip-shaped sheet member formed continuously in the long side direction Y by the back sheet 20. The second sheet member 220 is a composite comprising a strip-shaped sheet member formed continuously in the long side direction Y by the back film 21 and a strip-shaped sheet member formed continuously in the long side direction Y by the back nonwoven fabric 22. The third sheet member 210 is a strip-shaped sheet member formed continuously in the long side direction Y by the surface sheet 10. That is, the first sheet member 270 includes a nonwoven fabric layer, the second sheet member 220 includes a resin film layer (back film 21), and the third sheet member 210 includes a nonwoven fabric layer.

[0140] The first component 270, the second component 220, and the third component 210 are, for example, made of... Figure 8 The conveying roller 112 shown conveys the material in the conveying direction CD. The conveying direction CD is along the long side direction Y of the absorbent pet article 1. The third piece 210 may also have a plurality of engaging members 80 arranged at predetermined intervals in the conveying direction CD (see reference). Figure 9 ).

[0141] Next, as Figure 7 As shown, hot melt adhesive H10 is applied to the first component 270 (step ST2). The hot melt adhesive H10 is applied, for example, by a coating device (not shown) located upstream of the elastic component supply device 102. The coating device applies the hot melt adhesive H10 to the first component 270 along multiple coating areas CR that are separated from each other in the short side direction X and extend linearly in the transport direction CD (long side direction Y).

[0142] Next, the elastic component supply device 102 bonds the inner elastic components 63 to the first component 270 (step ST3). The elastic component supply device 102 intermittently applies hot melt adhesive to the multiple elastic components 63, which are elastic. As a result, multiple bonding areas AR are formed on the multiple elastic components 63, spaced apart in the transport direction CD (long side direction Y). The elastic component supply device 102 bonds the multiple bonding areas AR of the multiple elastic components 63 to the first component 270 while the multiple elastic components 63 are extended in the long side direction Y. At this time, the multiple elastic components 63 are respectively disposed between the multiple coating areas CR.

[0143] Next, the second component supply device 104 stacks the second component 220 on the first component 270, with a plurality of inner elastic members 63 in between. The second component 220 is bonded to the first component 270 by a hot melt adhesive H10 (a plurality of coating areas CR). Thus, a composite 300 comprising the first component 270, the plurality of inner elastic members 63, and the second component 220 is formed (step ST4). The composite 300 is transported downstream in the transport direction CD.

[0144] Next, the bonding piece supply device 108 attaches the bonding piece 281 to the outer surface of the second component 220 (step ST5). For example... Figure 7 As shown, the bonding piece supply device 108 includes a pair of rotatable rollers. One of the rollers is equipped with a cutter (not shown) for cutting the bonding piece 281. In one embodiment, the bonding piece supply device 108 uses a hot melt adhesive to bond the bonding piece 281 to the outer surface of the second member 220. The bonding piece 281 is then cut to a predetermined length by the bonding piece supply device 108, thereby forming... Figure 2 The target component 81 is shown.

[0145] like Figure 8 As shown, the manufacturing apparatus 100 also includes multiple conveying rollers 112, elastic component supply devices 114 and 116, absorbent supply device 118, bonding device 120, and cutting device 122. The multiple conveying rollers 112 convey the third component 210 and the composite 300 with the target component 81 bonded to it to the downstream side of the conveying direction CD, respectively.

[0146] Following step ST5, the elastic member supply device 114 fixes elastic members 43 and 53 to the third member 210 (step ST6). Elastic members 43 and 53 are fixed to the third member 210 in an extended state along the transport direction CD (long side direction Y). Next, the elastic member supply device 116 fixes outer elastic members 61 and 62 to the second member 220 (step ST7). Outer elastic members 61 and 62 are fixed to the second member 220 of the composite 300 in an extended state along the transport direction CD (long side direction Y). The third member 210 with fixed elastic members 43 and 53 and the composite 300 with fixed outer elastic members 61 and 62 are transported downstream along the transport direction CD.

[0147] Next, the absorbent supply device 118 arranges a plurality of absorbents 30 on the second member 220 (step ST8). The plurality of absorbents 30 are arranged on the second member 220 with predetermined intervals in the transport direction CD. Figure 9 As shown, the absorber 30 is disposed between multiple bonding regions AR when viewed from the thickness direction (thickness direction Z) of the composite 300.

[0148] Next, with the second component 220, the first component 270, the plurality of absorbers 30, and the third component 210 stacked in sequence, the bonding device 120 uses a hot melt adhesive to bond the composite 300 and the third component 210 (step ST9). That is, the third component 210 is stacked on the first component 270 with the plurality of absorbers 30 in between. The composite 300 is transported downstream in the transport direction CD with the third component 210 and the plurality of absorbers 30 stacked on top of it.

[0149] Next, the cutting device 122 cuts the composite 300 and the third component 210 along the short side direction X to produce a pet absorbent article 1 comprising the composite 300, the absorbent body 30, and the third component 210 (step ST10). Figure 8 As shown, the cutting device 122 includes a pair of rotatable rollers 122A and a cutter 122B for cutting the composite 300 and the third component 210. The cutter 122B is mounted on the outer peripheral surface of one of the rollers 122A and extends along the axial direction of the roller 122A. The cutter 122B cuts the composite 300 and the third component 210 conveyed by the pair of rollers 122A, dividing the composite 300 and the third component 210 into multiple pet absorbent articles 1. As a result, multiple pet absorbent articles 1 are manufactured.

[0150] Reference Figure 9The location of the cut composite 300 and the third component 210 will be described below. The cutting device 122 cuts the composite 300 and the third component 210 along a cutting line CL located between multiple bonding regions AR. In one embodiment, the cutting line CL is located between the bonding region AR and the absorbent 30 adjacent to the bonding region AR on the upstream side of the transport direction CD. More specifically, the cutting line CL is located between the absorbent 30 and the engaging member 80. By cutting the composite 300 and the third component 210 at the cutting line CL, a first end edge 5 and a second end edge 6 are formed.

[0151] The composite 300 and the third component 210 are cut at the cutting line CL by the cutting device 122, and the inner elastic member 63 contracts between the multiple bonding areas AR. Thus, in the bonding area AR, Figure 1 The high-elasticity region HR is shown. Furthermore, during the process of pulling back a cut portion of the inner elastic member 63 towards the bonding region AR, this portion of the inner elastic member 63 bends and is bonded to the main body 2 by the surrounding hot-melt adhesive. Thus, low-elasticity regions LR1 and LR2, each containing bent portions 63B and 63C, are formed in the main body 2.

[0152] In the manufacturing method of the pet absorbent article 1 described above, a hot melt adhesive is intermittently applied to the inner elastic member 63, and multiple bonding areas AR of the inner elastic member 63, spaced apart in the long side direction Y, are formed on the first member 270. Furthermore, the composite 300 is cut, causing the inner elastic member 63 to shrink between the multiple bonding areas AR, thereby achieving... Figure 1 As shown, the pet absorbent article 1 has a low-elasticity region LR1 located at a position overlapping the absorbent body 30 when viewed from the thickness direction Z, and a high-elasticity region HR located at a position not overlapping the absorbent body 30 when viewed from the thickness direction Z. According to this manufacturing method, for the same reasons as the pet absorbent article 1 described above, a pet absorbent article 1 capable of improving fit can be manufactured.

[0153] Next, another embodiment of the absorbent material for pets will be described. Figure 10 This is a top view of the pet absorbent article 1A according to another embodiment, viewed from the skin side Z1.

[0154] Figure 10 The pet absorbent article 1A shown has independent elastic members in the high-elasticity region HR and the low-elasticity region LR1, which are discontinuous. Figure 1 The pet absorbent item shown is different from item 1.

[0155] The pet absorbent article 1A also includes multiple inner elastic members 65. The inner elastic members 65 are made of elastic materials such as rubber, stretchable nonwoven fabric, stretchable membrane, or spandex, and are capable of stretching and contracting in the long side direction Y. Furthermore, the number of inner elastic members 65 can be two or more. The inner elastic members 65 stretch and contract in accordance with changes in the pet's body shape and posture in the long side direction Y (e.g., the pet's body twisting movements). The high-stretch area HR includes an inner elastic member 63, which stretches and contracts in the long side direction Y through the stretching and contraction of the inner elastic member 63. The low-stretch area LR1 includes an inner elastic member 65, which stretches and contracts in the long side direction Y through the stretching and contraction of the inner elastic member 65.

[0156] The inner elastic member 65 extends curvedly between the centerline P of the main body 2 and the end edge 30a of the absorbent 30 when viewed from the thickness direction Z. The inner elastic member 65 is not connected to the straight portion 63A of the inner elastic member 63, but separates from the inner elastic member 63 towards the other side (the second end edge 6 side) in the long side direction Y. The inner elastic member 63 does not overlap with the absorbent 30 when viewed from the thickness direction Z. The inner elastic member 63 of the high-elasticity region HR and the inner elastic member 65 of the low-elasticity region LR1 are independent elastic members that are discontinuous with each other. In this case, wrinkles can be suppressed from forming in the main body 2 between the high-elasticity region HR and the low-elasticity region LR1. Therefore, the decrease in the fit of the pet absorbent article 1 caused by wrinkles in the main body 2 can be suppressed.

[0157] Multiple inner elastic members 65 are arranged along the short side direction between the two end edges of the absorber 30 in the short side direction X. The inner elastic members 65 are joined to the cover sheet 70 by a hot melt adhesive in an elongated state in the long side direction Y. The lengths of the multiple inner elastic members 65 may also be different from each other.

[0158] The above describes various embodiments of absorbent pet articles and methods for manufacturing absorbent pet articles. However, this utility model is not limited to the above embodiments and various modifications can be made without changing the spirit of the utility model. That is, it should be noted that the above embodiments are for illustrative purposes only and do not limit the scope of this utility model.

[0159] For example, in pet absorbent articles 1 and 1A, the engaging member 80 is disposed in the long side direction Y between the high-elasticity region HR and the first end edge 5, but the engaging member 80 may also at least partially overlap with the high-elasticity region HR when viewed from the thickness direction Z. In this case, for example, when the engaging member 80 is engaged with the back sheet 20 and the surface sheet 10 and the back sheet 20 are engaged, the engaging member 80 is pulled by the contraction force of the high-elasticity region HR, thereby firmly engaging the surface sheet 10 and the back sheet 20. This prevents the pet absorbent article 1 from accidentally falling off.

[0160] exist Figure 6 In the method for manufacturing the absorbent pet article shown, in step ST3, a plurality of adhesive regions AR are formed on the inner elastic member 63, spaced apart along the longitudinal direction Y. However, the plurality of adhesive regions AR can also be formed on the first piece 270 by intermittently applying hot melt adhesive to the first piece 270. In this case, the inner elastic member 63 can also be bonded to the plurality of adhesive regions AR of the first piece 270 while the elastic inner member 63 is extended along the longitudinal direction Y. The various embodiments described above can be combined without contradiction.

Claims

1. An absorbent pet garment, which is worn by wrapping around a pet's waist, characterized in that, The absorbent article for pets has a main body having an elongated shape including a long side and a short side, and includes a surface sheet disposed on the skin side, a back sheet disposed on the non-skin side, and an absorbent body disposed between the surface sheet and the back sheet. The main body includes a low-elasticity region disposed at a position overlapping the absorber when viewed from the thickness direction of the main body, and a high-elasticity region disposed at a position not overlapping the absorber when viewed from the thickness direction of the main body, the low-elasticity region and the high-elasticity region being disposed at positions offset from each other in the long side direction. The low-extension region and the high-extension region each include an elastic member that provides an extension force in the long side direction. The shrinkage rate of the high-stretch region under natural conditions is higher than that of the low-stretch region under natural conditions.

2. The absorbent pet product according to claim 1, characterized in that, The elongation ratio of the elastic member in the high-elongation region in the unfolded state is higher than that of the elastic member in the low-elongation region in the unfolded state.

3. The absorbent pet product according to claim 2, characterized in that, The elastic member in the high-elasticity region and the elastic member in the low-elasticity region are respectively joined to the main body. The length of the portion where the elastic member and the main body meet in the high-extension region is longer than the length of the portion where the elastic member and the main body meet in the low-extension region.

4. The absorbent pet product according to claim 1, characterized in that, The elastic member in the high-extension region and the elastic member in the low-extension region are continuous, integral elastic members.

5. The absorbent pet product according to claim 1, characterized in that, The elastic members in the high-elongation region and the elastic members in the low-elongation region are discontinuous and independent elastic members.

6. The absorbent pet article according to claim 1, characterized in that, The main body also has a pair of outer elastic members disposed on the outer side in the short side direction of the absorbent and giving the main body elasticity. The elongation ratio of the elastic member in the high-extension region in the unfolded state is higher than that of the outer elastic member in the unfolded state.

7. The absorbent pet article according to claim 6, characterized in that, In the long side direction, the pair of outer elastic members partially overlap with the high-elasticity region.

8. The absorbent pet article according to claim 1, characterized in that, The main body also has an indicator that changes color in response to the pet's urine. The indicator is formed at a position that does not overlap with the elastic members of the high-elasticity region and the low-elasticity region when viewed from the thickness direction.

9. The absorbent pet article according to claim 1, characterized in that, The main body has a first portion disposed on one side of the long side direction relative to the center line of the main body, and a second portion disposed on the other side of the long side direction relative to the center line of the main body. The high-elasticity region is configured in the first part. A cutout is formed in the second part of the main body on the extension line of the elastic member disposed in the high-extension region. The second part is provided with a locking member configured to overlap the cut when viewed from the thickness direction and for engaging the first part and the second part.

10. The absorbent pet article according to claim 1, characterized in that, The elastic member disposed in the low-extension region extends in a direction intersecting the long side direction.

11. The absorbent pet article according to claim 1, characterized in that, The length of the elastic member disposed in the low-elasticity region in the long side direction is less than 3 / 4 of the length of the absorber in the long side direction.

12. The absorbent pet article according to claim 1, characterized in that, The length of the elastic member disposed in the low-elasticity region along its long side is more than 1 / 4 of the length of the absorber along its long side.

13. The absorbent pet article according to claim 1, characterized in that, The low-elasticity region and the high-elasticity region each include a plurality of elastic members arranged along the short side and extending along the long side.

14. The absorbent pet article according to claim 1, characterized in that, In the long side direction, the highly elastic region is disposed between the end edge of the absorber and the main body in the long side direction. The absorbent pet article also includes a snap-fit ​​member disposed in the long side direction between the highly elastic region and the end edge and engaged with the surface sheet from the skin side.

15. The absorbent pet article according to claim 1, characterized in that, In the long side direction, the highly elastic region is disposed between the end edge of the absorber and the main body in the long side direction. The absorbent pet product also includes a snap-fit ​​member that engages with the surface sheet from the skin side. When viewed from the thickness direction, the engaging member at least partially overlaps with the high-extension region.

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