JP6290623B2 - Urine pad - Google Patents

Description

  The present invention relates to a urine pad.

  Conventionally, urine pads are known. For example, in Patent Document 1, a hole through which a belt is passed is provided on the backsheet side of the urine pad, and fastening portions for fixing the belt to the surface material of the diaper or the outer surface of the leakproof sheet are provided at both ends of the belt that passes through the hole. A urine pad is disclosed.

JP-A-2005-95510

  According to Patent Literature 1, by fixing the fastening portions at both ends of the belt inserted through the urine pad to the surface material of the diaper, it is difficult for the urine pad to be displaced or turned up.

  However, in the case of the urine pad of Patent Document 1, when one end of the belt is pulled when the urine pad is attached to the diaper, the other end is hidden behind the urine pad, which sometimes takes time for attachment.

  In view of the above, an object of the present invention is to provide a urine pad that can be easily attached.

  The present invention includes a vertically long top sheet and a back sheet, and an absorbent body interposed between the top sheet and the back sheet. The top sheet and the back sheet are disposed on both outer sides of the absorbent body from both longitudinal ends of the absorbent body. The present invention relates to a urine pad having a first extension part and a second extension part that extend to the top.

Urine pad of the present invention, the belt-shaped elastic member for connecting the first extending portion and the second extending portion possess, in the longitudinal direction, the non-extended length of time of the band-like elastic member length of the urine pad Shorter than that.

  According to the present invention, the boundary between the absorbent body of the urine pad and the first extension portion and the second extension portion is easily bent, and the bent portion formed in this way is formed on the opening edge of a diaper cover or the like. A urine pad that can be easily attached is provided by hanging the band-like elastic member that connects the first extension part and the second extension part around the crotch part of the diaper cover.

The drawings illustrate specific embodiments of the invention and include selective and preferred embodiments as well as the essential features of the invention.
The perspective view of an example of the urine pad of this application. The schematic diagram showing the usage example of the urine pad of this application. The partially broken expanded view of a urine pad. The schematic diagram showing the modification of a urine pad.

  The details of the urine pad 1 according to the present invention will be described with reference to the accompanying drawings. The following embodiments relate to the urine pad 1 shown in the accompanying drawings and include not only an indispensable structure of the invention but also a selective and preferable structure.

  FIG. 1 shows an external appearance of the urine pad 1 according to the present embodiment, and FIG. 2 schematically shows a usage state of the urine pad 1. The urine pad 1 includes an absorbent body 21 interposed between the vertically long top sheet 11 and the back sheet 12, and the top sheet 11 and the back sheet 12 are formed from the longitudinal ends 22 of the absorbent body 21. It has the 1st extension part 23 and the 2nd extension part 24 which extend on both outer sides. The urine pad 1 of the present application further includes a belt-like elastic member 31 that connects the first extension part 23 and the second extension part 24.

  Referring to FIG. 2, when using urine pad 1, first, absorbent body 21 is folded in two into diaper cover 41, and then spread according to the shape of diaper cover 41. Next, the bent portion 25 formed at the boundary between the absorbent body 21 and the first extending portion 23 and the second extending portion 24 is hung on the opening edge 42 of the diaper cover 41, and the first and second extending portions. The portions 23 and 24 are positioned outside the front body 43 and the back body 44, respectively, and a belt-like elastic member 31 that connects the first and second extending portions 23 and 24 is hung around the crotch portion 45 of the diaper cover 41. Thereby, the urine pad 1 can be easily attached to the diaper cover 41. Further, since the first extending portion 23 and the second extending portion 24 are connected by the belt-like elastic member 31, the first and second extending portions 23 and 24 are made to the opening edge 42 of the diaper cover 41. Shifting is suppressed. Furthermore, after using the urine pad 1, the urine pad 1 can be removed from the diaper cover 41 without making the hands dirty by pulling up the belt-like elastic member 31. The diaper cover 41 may be disposable or may be used repeatedly.

  FIG. 3 is a diagram in which the urine pad 1 is developed in a plane and is partially cut away when viewed from the top sheet 11 side. The top sheet 11 of the urine pad 1 can be a liquid-permeable nonwoven fabric or an apertured plastic film, and the backsheet 12 can be a breathable and liquid-impermeable nonwoven film or plastic film. . The urine pad 1 of the present application is used such that the top sheet 11 faces the wearer's skin. As the absorbent body 21, a known absorbent body 21 for a urine pad, such as an absorbent body 21 formed by wrapping a mixture of pulverized pulp and a superabsorbent polymer with tissue paper, can be used. The shape of the absorbent body 21 is not limited to the rectangular shape in the illustrated example, and may be any shape such as an hourglass shape in which the central portion in the longitudinal direction Y is curved inward.

  The absorbent body 21 is completely covered with the top sheet 11 and the back sheet 12 and is bonded to each of the top sheet 11 and the back sheet 12 with a hot melt adhesive. The top sheet 11 and the back sheet 12 have a first extension part 23 and a second extension part 24 that extend from both longitudinal ends 22 of the absorbent body 21 to both outer sides of the absorbent body 21. The top sheet 11 and the back sheet 12 included in the first extension part 23 and the second extension part 24 are joined to each other by a hot melt adhesive. The amount of the hot melt adhesive applied per unit area when the top sheet 11 and the back sheet 12 are bonded is the same as that of the hot melt adhesive when the absorber 21 is bonded between the top sheet 11 and the back sheet 12. It is preferable that it is the same as the coating amount per unit area. In the vertical direction Y, the total length of the first extension part 23 and the second extension part 24 is shorter than the length of the absorber 21. Each length of the 1st extension part 23 and the 2nd extension part 24 becomes like this. Preferably it is 5-60 mm, More preferably, it is 20-40 mm. If the length in the longitudinal direction Y of the first and second extending portions 23 and 24 is shorter than 5 mm, the first and second extending portions 23 and 24 are warped, and the bent portion 25 is opened to the diaper cover 41. Since it may become difficult to hang on the edge 42, it is not preferable. When the length in the longitudinal direction Y of the first and second extending portions 23 and 24 exceeds 60 mm, the length of the belt-like elastic member 31 extending between the first and second extending portions 23 and 24 is short. Therefore, the contraction force may not be sufficiently expressed, which is not preferable.

The first and second extending portions 23 and 24 do not include the absorbent body 21, while the absorbent body 21 includes pulverized pulp as described above. Therefore, the first and second extending portions 23 and 24 are more easily deformed than the absorber 21. That is, the rigidity of the first and second extending portions 23 and 24 is lower than the rigidity of the portion of the urine pad 1 where the absorber 21 is present. Therefore, when the urine pad 1 is used, the first and second extending portions 23 and 24 are moved along the boundary between the longitudinal end portions 22 of the absorber 21 and the first and second extending portions 23 and 24. It can be bent and positioned outside the diaper cover 41. Comparison between the rigidity of the first and second extending portions 23 and 24 and the rigidity of the portion of the urine pad 1 where the absorber 21 is present can be performed as follows.
First, the belt-like elastic member 31 joined to the first and second extending portions 23 and 24 is removed by cutting with a sharp blade. Next, the urine pad 1 is placed on a horizontal table having a straight edge, and the boundary between the first extension 23 and the absorber 21 is aligned with the position overlapping the straight edge of the horizontal table, The 1st extension part 23 is made to protrude out of a stand from a linear edge. Next, after measuring the maximum dimension L from the edge of the base to the tip of the first extension part 23 in mm units using a ruler, the mass is formed at the center part in the width direction of the first extension part 23 that is protruded. Attach a folded metal piece of 1-2g. As such a metal piece, for example, a stationery clip having a mass of 1 to 2 g (for example, a double clip having a width of 15 mm from KOKUYO) or an aluminum foil folded in half can be used. When a metal piece is attached to the center in the width direction of the first extension 23, the metal piece is inclined downward with respect to the horizontal plane. The state of inclination of the metal piece with respect to the horizontal plane is recorded by photography. Next, the first extending portion 23 is cut with a sharp blade along the boundary with the absorber 21, and the end portion of the urine pad 1 from which the first extending portion 23 has been cut off is formed into a linear shape on a horizontal base. The dimension L is projected from the edge. Next, the above-mentioned metal piece is attached to the center in the width direction of the end portion of the protruding urine pad 1, and the inclination state of the metal piece with respect to the horizontal plane is recorded by photography. The recorded inclined state of the metal piece is compared between the case of the first extending portion 23 and the case of the end portion of the urine pad 1, and the one inclined more largely with respect to the horizontal plane is made to have low rigidity. The rigidity of the second extending portion 24 and the portion where the absorbent body 21 of the urine pad 1 is present are similarly compared.

  As shown in FIG. 3, a pair of three-dimensional gathers 27 are preferably provided on the surface of the top sheet 11 along both side edges 26 of the absorbent body 21 extending in the longitudinal direction Y. As is well known, a three-dimensional gather elastic member 28 is joined to the three-dimensional gather 27 in an elongated state in the longitudinal direction Y, and stands up with respect to the top sheet 11 when the urine pad 1 is used. The three-dimensional gather 27 can be provided separately from the top sheet 11 and the back sheet 12. Further, the three-dimensional gather 27 can be formed by extending the back sheet 12 to both sides in the width direction X of the absorbent body 21 and joining the three-dimensional gather elastic member 28 to the back sheet 12.

  In the present embodiment, one belt-like elastic member 31 is arranged along the longitudinal center line P of the urine pad 1, and a hot melt adhesive (on the back sheet 12 side of the first and second extending portions 23, 24). (Not shown). More specifically, both longitudinal end portions 29 of the belt-like elastic member 31 are respectively connected to the first joint portion 33 located in the first extension portion 23 and the second joint portion 34 located in the second extension portion 24. Be joined. In the present embodiment, the first and second joining portions 33 and 34 are the outermost edge 13 in the longitudinal direction Y of the urine pad 1 at the center portion in the width direction X of the first and second extending portions 23 and 24. It is arrange | positioned in the position adjacent to each. Further, it is preferable that the belt-like elastic member 31 is joined only at the first and second joint portions 33 and 34 of the urine pad 1. As a result, the band-shaped elastic member 31 can be separated from the absorber 21, and the band-shaped elastic member 31 can be hung around the crotch part 45 of the diaper cover 41 when the urine pad 1 is used.

  The belt-like elastic member 31 is preferably joined to the first and second extending portions 23 and 24 of the urine pad 1 in a state where the belt-like elastic member 31 is extended in the longitudinal direction Y. In addition, it is preferable that the length before the belt-like elastic member 31 is extended to join the first and second extending portions 23 and 24 is shorter than the length of the urine pad 1. In other words, it is preferable that the length of the band-shaped elastic member 31 in the longitudinal direction Y when not stretched is shorter than the length of the urine pad 1, and the length of the band-shaped elastic member 31 when not stretched is longer than the length of the absorbent body 21. More preferably, it is short. Further, in the longitudinal direction Y, the length of the belt-like elastic member 31 when not stretched can be shorter than the length obtained by subtracting the lengths of the first and second extending portions 23 and 24 from the length of the absorber 21. . If it does in this way, when using the urine pad 1, the contractive force of the strip | belt-shaped elastic member 31 can be made to act in the direction which pushes up the absorber 21 toward a wearer's crotch part (refer FIG. 2). Thereby, since the absorber 21 is lifted to the body side, the absorber 21 is hardly displaced from the body.

  For the band-shaped elastic member 31, for example, a band-shaped rubber string, a band-shaped flat rubber knitted with a thread-shaped rubber, a band-shaped elastic nonwoven fabric, or the like can be used. The band-shaped elastic member 31 is preferably bonded to the urine pad 1 at an expansion ratio that allows the band-shaped elastic member 31 to extend beyond the length of the absorber 21. For example, it is possible to join a band-shaped rubber string having an elongation of 600% at the time of cutting to the urine pad 1 at an expansion ratio of 3 times. Thereby, when the belt-like elastic member 31 is hung around the crotch part 45 of the diaper cover 41, the belt-like elastic member 31 can be extended beyond the length of the absorbent body 21, and the urine pad 1 can be attached more easily. .

  As the belt-like elastic member 31, a composite elastic member comprising a non-stretchable belt-like member 35 and an elastic yarn 36 joined to the belt-like member 35 in an expanded state can be used. Examples of the non-stretchable strip member 35 include non-woven fabrics and plastic films manufactured from thermoplastic resins such as polyethylene, polypropylene, polyester, and polyamide. Moreover, as the elastic yarn 36, the elastic yarn 36 manufactured from natural rubber or a polyurethane-type elastomer is illustrated. In the present embodiment, a non-stretchable nonwoven fabric made of polypropylene fibers is used as the belt-like member 35, and an elastic yarn 36 made of polyurethane elastomer is joined in an expanded state while the nonwoven fabric is folded in two. Is used. The elastic yarn 36 used in the present application is not particularly limited. For example, a thread-like rubber string having a thickness of 310 to 1240 dtex can be used with an expansion ratio of 1.5 to 3.0. The composite elastic member including the belt-like member 35 can be easily joined to the top sheet 11 or the back sheet 12 by hot melt adhesive or heat welding.

  In one embodiment of the present application, the band-shaped elastic member 31 made of a composite elastic member is joined to the urine pad 1 in a state where wrinkles due to the contraction of the elastic yarn 36 are not generated in the non-stretchable band-shaped member 35. Can do. In this embodiment, since no wrinkles are generated in the belt-like member 35, the belt-like elastic member 31 can be easily joined to the first and second joint portions 33, 34 when the urine pad 1 is manufactured. In this case, in the longitudinal direction Y, the length of the belt-like member 35 located between the first joint portion 33 and the second joint portion 34 is the length of the urine pad 1, that is, the pair of outermost ends of the urine pad 1. The length between the edges 13 is preferably the same or shorter. In another embodiment, after the elastic yarn 36 is joined to the non-stretchable belt-like member 35 at an expansion ratio of 2.0 to 4.0 times to produce the belt-like elastic member 31, the belt-like elastic member 31 is once contracted ( For example, the first and second joint portions 33 and 34 can be joined after being contracted by 10 to 20%. As a result, the belt-like elastic member 31 can be extended beyond the length of the absorbent body 21, preferably beyond the length of the urine pad 1, and the attachment of the urine pad 1 is further facilitated.

  In the above, the case where one band-like elastic member 31 is attached along the longitudinal center line P of the urine pad 1 when viewed from the backsheet 12 side of the urine pad 1 has been described as an example (see FIG. 4A). However, as shown in FIG. 4B, the band-shaped elastic member 31 can be provided along each of the side edge portions 14 of the urine pad 1 when viewed from the back sheet 12 side. In this case, urine leakage can be suppressed by fitting both side edges 14 of the urine pad 1 extending in the longitudinal direction Y to the legs of the wearer. Further, as shown in FIG. 4C, the width of the belt-like elastic member 31 is set to be half or more of the width of the urine pad 1 so that the entire urine pad 1 can be pushed up toward the wearer's crotch. it can.

  The present invention is not limited to the above embodiment, and can be implemented with various modifications. For example, when joining the strip | belt-shaped elastic member 31 to the 1st and 2nd extension parts 23 and 24, the 1st and 2nd junction parts 33 and 34 can also be arrange | positioned at the top sheet 11 side. Moreover, the adhesive part can also be arrange | positioned on the surface which opposes the diaper cover 41 of the back sheet 12 of the urine pad 1, and also a peeling part can be piled up and laminated | stacked on an adhesive. Thereby, when using the urine pad 1, the peeling film of a fastening part can be peeled off and the back sheet 12 can be fastened to the inner surface of the diaper cover 41 with an adhesive. Further, instead of the diaper cover 41, the urine pad 1 of the present application can be attached to the waist opening edge 42 of a belt-like member attached around the waist of the wearer, or the urine pad 1 of the present application can be used for a disposable diaper. Can also be used.

  In each of the above embodiments, bonding is performed using a hot melt adhesive unless otherwise specified. However, bonding may be performed by thermal welding or ultrasonic welding. In addition to the materials disclosed in the specification of the present application, various known materials that are usually used in the technical field to which the present invention belongs can be used for each component constituting the urine pad 1 without limitation. . In the specification and claims of this application, the terms “first” and “second” are used merely to distinguish similar elements, positions, and the like.

The disclosure relating to the urine pad of the present invention described above can be organized into at least the following matters.
The topsheet 11 and backsheet 12 of the elongated, and a absorbent body 21 interposed between the topsheet 11 and the backsheet 12, the topsheet 11 and backsheet 12, the longitudinal end portions of the absorbent body 21 In the urine pad 1 having the first extension part 23 and the second extension part 24 that extend to both outer sides of the absorbent body 21, a belt-like elastic member 31 that connects the first extension part 23 and the second extension part 24 is provided. In the longitudinal direction Y, the length of the belt-like elastic member 31 when not stretched is shorter than the length of the urine pad 1 .

The present invention relating to the urine pad disclosed in paragraph 0026 above can include at least the following embodiments. The embodiments can be adopted separately or in combination with each other.
(1) Both end portions 29 in the longitudinal direction of the belt-shaped elastic member 31 are respectively connected to the first joint portion 33 located in the first extension portion 23 and the second joint portion 34 located in the second extension portion 24. The band-shaped elastic member 31 is bonded to the urine pad 1 only at the first and second bonding portions 33 and 34.
( 2 ) The belt-like elastic member 31 includes a non-stretchable belt-like member 35 and an elastic yarn 36 joined to the belt-like member 35 in an expanded state.
( 3 ) The length of the belt-like member 35 located between the first joint portion 33 and the second joint portion 34 is equal to or less than the length of the urine pad 1.
( 4 ) In the longitudinal direction, the belt-like elastic member 31 can extend beyond the length of the absorber 21.
( 5 ) The rigidity of the first and second extending portions 23, 24 is lower than the rigidity of the portion of the urine pad 1 where the absorber 21 is present.
( 6 ) The total length in the vertical direction of the first extending portion 23 and the second extending portion 24 is shorter than the length in the vertical direction of the absorbent body 21.

DESCRIPTION OF SYMBOLS 1 Urine pad 11 Top sheet 12 Back sheet 21 Absorber 22 Both ends 23 in the vertical direction First extending portion 24 Second extending portion 29 Both end portions 31 Band-shaped elastic member 33 First joint portion 34 Second joint portion 35 Non-stretchable Band member 36 elastic yarn P longitudinal center line X width direction Y longitudinal direction

Claims (7)

Includes a topsheet and backsheet of the portrait, and an absorbent body interposed between said topsheet and said backsheet, said topsheet and said backsheet, said absorbent body from longitudinal end portions of the absorbent body In the urine pad having the first extension part and the second extension part extending to both outer sides of
A belt-like elastic member connecting the first extension part and the second extension part ;
Wherein in the longitudinal direction, the urine pad unstretched length at the belt-shaped elastic members shall be the being shorter than the length of the urine pad. The both ends in the longitudinal direction of the belt-like elastic member are respectively joined to the first joint portion located in the first extension portion and the second joint portion located in the second extension portion, and the belt-like shape The urine pad according to claim 1, wherein an elastic member is bonded to the urine pad only at the first and second bonding portions. The urine pad according to claim 2, wherein the belt-like elastic member includes a non-stretchable belt-like member and an elastic yarn joined to the belt-like member in an expanded state. The urine pad according to claim 3 , wherein a length of the band-shaped member located between the first joint portion and the second joint portion is equal to or less than a length of the urine pad. The urine pad according to any one of claims 1 to 4 , wherein, in the longitudinal direction, the belt-like elastic member can extend more than a length of the absorber. The urine pad according to any one of claims 1 to 5 , wherein the rigidity of the first and second extending portions is lower than the rigidity of a portion of the urine pad where the absorber exists. Wherein the first extending portion total length of the longitudinal direction of the second extending portion is shorter than the longitudinal length of the absorbent body, the urine pad according to any one of claims 1 to 6.

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