JP2013027594A - Paper diaper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a paper diaper capable of easily securing a securing part to an adherend part during wearing while preventing the securing part disposed on the securing member from being exposed when the diaper is not worn.SOLUTION: Each pair of securing member is disposed on each of both ends of the width direction of a dorsal part, and an adherend part can engage the securing member detachably, and a covering part having an opening is formed on the end of the width direction for each securing member, and a pair of covering parts is formed such that a longitudinal directional end of one covering part has a first end at the other coverage side tilting to the other coverage side in going toward the end of the width direction, and the securing member is formed at the base end side and it includes a stretching part being stretchable to the width direction of the dorsal part, a securing part disposition part formed at the end opposite to the base end, and the securing part which is disposed on the inner surface side of the securing part disposition part and secured on the adherend part during wearing, and the securing part is disposed not to be exposed outside the end of the width direction of the dorsal part when the stretching part is not stretched.

Description

  The present invention relates to a disposable diaper.

Conventionally, a paper diaper has a fastening member such as a fastening tape extending from both ends in the width direction of the back side portion, and the fastening portion such as a hook material disposed on the fastening member is abdominal side. What is comprised so that it may fix to the predetermined to-be-adhered part of a part is known.
In addition, a paper diaper generally includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the two sheets, such as urine excreted during wearing. The excrement is held on the absorbent body through a liquid-permeable top sheet, and the liquid-impermeable back sheet prevents the excrement from leaking out of the disposable diaper.

In such a paper diaper, the fastening part disposed on the fastening member during the replacement work is stuck to the clothes, causing extra work, or the fastening part touches the wearer's skin and is uncomfortable for the wearer. Inconvenience may occur, such as making you think.
Therefore, a temporary engagement region that can engage the fastening portion is provided on the fastening member, and the fastening portion is exposed by holding the fastening portion and the temporary engagement region in an engaged state. The paper diaper which prevents this is disclosed (for example, refer to Patent Document 1).

JP 2009-50694 A

  However, in the invention described in Patent Document 1, it is necessary to perform an operation of releasing the engagement state between the fastening portion and the temporary engagement region when the disposable diaper is attached to the wearer, which is troublesome. .

  It is an object of the present invention to provide a paper diaper that can prevent the fastening portion disposed on the fastening member from being exposed when not attached and can easily attach the fastening portion to the secured portion when attached. Objective.

The invention described in claim 1 has been made to achieve the above object,
An absorptive body is interposed between the liquid-permeable top sheet and the liquid-impervious back sheet, the abdomen located on the abdomen side of the wearer, the dorsal side part located on the dorsal side, and the abdomen side A crotch portion located between the back portion and the back side portion, a fastening member disposed in parallel in the longitudinal direction at each of both ends in the width direction on the outer surface side of the back side portion; A diaper provided with an attached portion provided on an outer surface of the abdomen and capable of detachably locking the fastening member,
For each of the fastening members, a covering portion that covers the fastening member and has an opening at the outer end in the width direction is formed.
The pair of covering portions arranged in parallel in the longitudinal direction has the first end portion on the other covering portion side formed in parallel with the one covering portion among the end portions in the longitudinal direction in one covering portion, It is formed so as to incline toward the other covering portion side toward the outer end in the width direction,
The fastening member is
An expansion / contraction part formed on the base end part side, and extendable / contractible in the width direction of the back side part;
A fastening portion arrangement portion formed on an end side opposite to the base end portion;
A fastening part disposed on the inner surface side of the fastening part placement part and fastened to the secured part when mounted;
With
The fastening portion is
The expansion / contraction part is arranged so as not to be exposed to the outside of the end part in the width direction of the back side part when the extension part is not extended.

The invention according to claim 2 is the disposable diaper according to claim 1,
Of the end portions in the longitudinal direction of the one covering portion, the second end portion on the opposite side to the other covering portion side formed in parallel with the one covering portion is parallel to the first end portion. Formed as
The stretchable portion is formed to be stretchable in a direction regulated by the covering portion.

The invention according to claim 3 is the disposable diaper according to claim 1 or 2,
Of the fastening members arranged one by one, the fastening member on the inner side in the longitudinal direction of the back side portion is formed so that the stretch rate of the stretchable portion is larger than that of the outer fastening member. It is characterized by.

The invention according to claim 4 is the disposable diaper according to any one of claims 1 to 3,
A non-fastening portion made of a material that does not engage with the fastening portion is formed at a position facing the fastening portion on the outer surface side of the back side portion.

The invention according to claim 5 is the disposable diaper according to any one of claims 1 to 4,
The covering portion is characterized in that an outer end portion in the width direction is formed in a concave shape.

According to the present invention, the fastening portion does not appear until the fastening portion arrangement portion is pulled out to the outside in the width direction. There will be no inconvenience such as contact with the skin of the wearer and causing the wearer to feel uncomfortable. Further, since the fastening portion can be exposed only by extending the stretchable portion in the width direction, the fastening portion can be easily fastened to the secured portion when the paper diaper is attached. In addition, since the stretchable part can be stretched, the waistline of the wearer is not excessively tightened by the stretchable part expanding and contracting when the fastening part is attached to the secured part, and the wearing feeling is improved. Can be improved. Furthermore, since the covering portion is formed so that the first end portion is inclined toward the other covering portion side toward the outer end portion in the width direction, the fastening member can be cross-stopped. Thus, a disposable diaper can be attached according to the wearer's body shape. In addition, even when cross-stopping is performed, wrinkles are unlikely to occur on the base end side of the fastening member, so that irritation to the wearer's skin associated with the formation of wrinkles can be reduced.
Accordingly, it is possible to prevent the fastening portion disposed on the fastening member from being exposed when not attached, and to easily attach the fastening portion to the secured portion when attached.

It is an expanded view of the paper diaper of one Embodiment illustrated as an absorbent article to which this invention is applied. It is a perspective view which shows the state which assembled the paper diaper of FIG. It is the figure which looked at the fixing member of the paper diaper of FIG. 1 from the outer surface side of the back side part. It is principal part sectional drawing of the fastening member in the IV-IV line of FIG. It is the figure shown about an example of a mode that the expansion-contraction part of the fastening member of FIG. 3 extended | stretched in the width direction. It is the figure which showed an example of a mode that the fastening member moved to the fastening member side arrange | positioned in parallel with self from the state of FIG. It is the figure shown about the modification of the coating | coated part of FIG. It is the figure which showed about the modification with which the expansion / contraction rate of an expansion-contraction part becomes large compared with the fixation member of the longitudinal direction of a back side part among the fixation members of FIG. It is the figure shown about the modification which provided the non-sticking part in the paper diaper of FIG. It is the figure shown about the modification of the coating | coated part of FIG. It is the figure shown about the modification of the expansion-contraction part of FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

The paper diaper 100 according to the present embodiment is attached to the wearer, for example, by fastening the fastening tape 20 at a predetermined position, and covers the wearer's crotch part 7 from the abdomen side to the back side in the worn state. A fixed-type disposable diaper 100 is formed (see FIG. 2).
In the following description, a direction extending from the wearer's back side to the belly side through the crotch is defined as a longitudinal direction X, and one direction substantially orthogonal to the longitudinal direction X is defined as a width direction Y.

  As shown in FIGS. 1 and 2, the disposable diaper 100 includes a top sheet 1 made of a liquid-permeable nonwoven fabric provided on the contact surface side with the wearer's body, and an external side opposite to the contact surface with the body when worn. The impervious back sheet 2 provided on the top sheet 1, the absorbent body 3 interposed between the top sheet 1 and the back sheet 2, and the length of the paper diaper 100 on both sides of the absorbent body 3 on the top sheet 1 side. Gather sheets 4 and 4 provided along the direction X are provided.

  Moreover, the one side part (lower end part in FIG. 1) of the longitudinal direction X of the paper diaper 100 is formed with the abdomen side part 5 that is disposed on the abdomen side of the wearer and covers the abdomen, and the other end part ( The upper side in FIG. 1 is formed with a dorsal side portion 6 that is arranged on the dorsal side of the wearer and covers the circumference of the back, and between the abdominal side portion 5 and the dorsal side portion 6, The crotch lower part 7 which coats is formed.

The top sheet 1 is formed from a material having liquid permeability that allows permeation of body fluid such as urine quickly, and has a function of receiving the body fluid and transporting it to the absorber 3.
The top sheet 1 is preferably a non-woven fabric. Specifically, synthetic fibers such as olefins such as polyethylene or polypropylene, polyesters and polyamides, recycled fibers such as rayon and cupra, and natural fibers such as cotton are used. As the material, a material processed by an appropriate processing method such as a spunlace method, a spunbond method, a thermal bond method, a melt blown method, or a needle punch method is used.

The backsheet 2 constitutes an exterior body that fixes the absorber 3. The back sheet 2 is formed from a material having liquid impermeability, and has a function of preventing body fluid and the like from seeping out and leaking out of the paper diaper 100.
The back sheet 2 is a sheet material made of, for example, a polyethylene film, and is preferably a sheet material having moisture permeability from the viewpoint of preventing stuffiness.
In addition, it is good also as bonding non-woven fabrics, such as polyethylene and a polypropylene, on the outer side of the back sheet 2, In this case, the exterior of the paper diaper 100 becomes a cloth-like texture, and the touch becomes good.

The absorber 3 is disposed so as to extend from a predetermined position on the abdominal side portion 5 to a predetermined position on the back side portion 6 through the crotch portion 7. Further, the absorbent body 3 is formed so that the crotch part 7 side is narrower than the abdomen side part 5 side and the back side part 6 side so as to correspond to the shape of the paper diaper 100, for example.
The absorbent body 3 absorbs water-like components such as urine as body fluid when the disposable diaper 100 is used. Specifically, the absorbent body 3 is an absorbent formed by combining an absorbent material such as cotton or pulp, or a sheet-like base material such as fiber or film, and a superabsorbent resin such as a superabsorbent polymer. The body core is configured to be covered with a covering member such as a liquid-permeable crepe paper, a nonwoven fabric, or a perforated sheet.
Examples of the superabsorbent resin include carboxymethylcellulose, polyacrylic acid and salts thereof, acrylate polymer cross-linked product, starch-acrylic acid graft copolymer, starch-acrylonitrile graft copolymer hydrolyzate, polyoxyethylene cross-linked product Products, crosslinked products of carboxymethyl cellulose, polyethylene oxide, polyacrylamide and other partially crosslinked polymers, or a copolymer of isobutylene and maleic acid are preferably used.

The gather sheets 4 are respectively provided on both sides along the longitudinal direction X of the absorbent body 3 from the abdominal side 5 to the back side 6 on the top sheet 1 side.
The outer side in the width direction Y of the gather sheet 4 is fixed to the upper surface of the back sheet 2 and the top sheet 1 on the side of the absorber 3. In addition, the inner portion of the gather sheet 4 in the width direction Y is fixed to the top sheet 1 in the vicinity of the end portions of the abdominal side portion 5 and the back side portion 6 on the longitudinal direction X side. A plurality of elastic members (for example, rubber thread, etc.) are provided substantially in parallel along the longitudinal direction X without being fixed to the sheet 1, and stand up in a substantially “<” shape and a reverse “<” shape when worn. A three-dimensional gather that can be deformed in a stretchable manner according to the person's body shape is formed.

The ventral part 5 is formed so as to protrude outward in the width direction Y from the crotch part 7. Further, on the outer surface (surface opposite to the wearer's body) side of the end portion of the abdominal side portion 5 in the longitudinal direction X side, as shown in FIG. 51 is provided.
The to-be-fixed part 51 is provided in the outer surface (surface on the opposite side to a wearer's body) side of the edge part of the abdominal side part 5 at the longitudinal direction X side, and the fastening part 23 provided in the fastening tape 20 is provided. The locking element of the female material for locking is comprised.
Specifically, the to-be-fixed part 51 is comprised by the nonwoven fabric for latching, for example, and the loop material which is a loop-like fiber mechanically engaged with the hook material of the fastening part 23 is arrange | positioned at the base material sheet. Has been configured. In addition, as the non-woven fabric for locking, for example, a single composition material or a composite composition material made of a widely known highly versatile plastic material such as polyethylene, polypropylene, polyethylene terephthalate, and nylon can be used.
In addition, the to-be-fixed part 51 and the back seat | sheet 2 may be comprised integrally from the same raw material, and only the to-be-attached part 51 may be comprised from a different material from the back seat | sheet 2.

The back side portion 6 is formed so as to protrude outward in the width direction Y from the crotch portion 7. A fastening tape 20 as a fastening member is provided at each of both end portions in the width direction Y on the outer surface (surface opposite to the wearer's body) side of the back side portion 6. A covering portion 61 is formed so as to cover it. In addition, the detailed structure of the fastening tape 20 and the coating | coated part 61 is mentioned later (refer FIGS. 3-6).
Further, for example, an elastic member (not shown) such as rubber thread is disposed along the width direction Y on the back side portion 6, and a planar gather (back mole gather) is formed by this elastic member. Thereby, when the paper diaper 100 is used, the paper diaper 100 is configured to be stretchable around the wearer's torso.

In each of both edges in the width direction Y of the crotch portion 7, from each end portion in the width direction Y of the abdominal side portion 5 to each end portion in the width direction Y of the back side portion 6 through the crotch portion 7, A pair of leg surrounding portions 8, 8 surrounding the legs of the wearer of the paper diaper 100 are formed.
A plurality of elastic members 8 a, such as rubber thread, are provided in the pair of leg surrounding portions 8, 8 according to the curved shape of the leg surrounding portion 8, for example. Then, a flat gather is formed by the elastic member 8a, and it fits around the wearer's leg so as to be stretchable and prevents side leakage.

Next, the fastening tape 20 and the covering portion 61 will be described in detail with reference to FIGS.
The fastening tape 20 is formed so as to have a long rectangular shape in the width direction Y, and extends slightly outward in the width direction Y to each of both end portions of the back side portion 6 in the width direction Y. A pair is arranged in parallel in the longitudinal direction X. Specifically, the fastening tape 20 should just extend 5 mm or more to the width direction Y outer side, and as a more preferable form, it is good to extend 10 mm or more to the width direction Y outer side.
Moreover, as for the fastening tape 20, the edge part (for example, right edge part of FIG. 3) of the inner side of the width direction Y is an outer surface (surface on the opposite side to a wearer's body) side of the back side part 6 as a base end part. It is fixed. And as shown in FIG. 2, the outer surface (surface on the opposite side to a wearer's body) of the edge part of the longitudinal direction X side of the abdominal side part 5 so that the fastening tape 20 may follow a wearer's abdominal circumference. By being fastened to the fastened part 51 provided on the side, the paper diaper 100 is put on the wearer.

  As shown in FIGS. 1 to 6, the fastening tape 20 includes a stretchable portion 21 formed on the base end portion (end portion on the inner side in the width direction Y) and an end portion on the opposite side of the base end portion (width direction). A fastening portion arrangement portion 22 formed on the outer end portion side of Y, and a fastening portion 23 provided on the inner surface (surface on the wearer's body side) side of the fastening portion arrangement portion 22; It is equipped with.

The stretchable part 21 is formed of elastic material such as a thread rubber or elastic foam band, a film-like elastic body, a net-like elastic body, polyurethane, or the like, and is formed to be stretchable in the width direction Y. Yes. As shown in FIG. 4, the stretchable part 21 is bonded to the back side part 6 by an adhesive such as hot melt or a seal by heat or ultrasonic waves on the inner surface (surface on the wearer's body side). Yes. That is, the fastening tape 20 can be freely expanded and contracted in the width direction Y by being provided with the expansion and contraction part 21 (see FIGS. 2 and 5).
The fastening part arrangement part 22 is formed of, for example, a plastic sheet or a nonwoven fabric, and the free end part (the outer end part in the width direction Y) of the fastening part provision part 22 It forms so that it may extend slightly outside the edge part of the width direction Y of the back side part 6 at the time of non-extension | extension. As shown in FIG. 4, the fastening portion disposing portion 22 has an adhesive such as hot melt on the outer surface (surface opposite to the wearer's body) side or the inner surface (surface on the wearer's body) side. It is bonded to the expansion / contraction part 21 by heat or ultrasonic seal. And the fastening part 23 is adhere | attached and fixed to the inner surface (surface of a wearer's body side) side of the free end part of the fastening part arrangement | positioning part 22 with the predetermined | prescribed adhesive, for example. Here, as shown in FIG. 3, the fastening portion 23 does not appear outside the end in the width direction Y of the back side portion 6 when the disposable diaper 100 is not attached, that is, when the stretchable portion 21 is not stretched. It is arranged like this. Thereby, when the paper diaper 100 is not attached, it is possible to prevent the fastening portion 23 provided on the fastening tape 20 from being exposed.

For example, the fastening portion 23 is formed in a substantially rectangular shape, and is provided with a hook material on which a large number of protrusions such as a hook shape, a mushroom shape, and a hook shape are formed, which are locking elements of a male material of a hook-and-loop fastener. Yes. Then, as shown in FIG. 2, the fastening portion 23 is fastened to a secured portion 51 formed at a predetermined position of the abdominal side portion 5 on the outer surface of the back sheet 2 (the surface opposite to the wearer's body). Worn.
Therefore, the fastening tape 20 is attached to the outer surface (surface opposite to the wearer's body) side of the end portion of the abdominal side portion 5 in the longitudinal direction X via the fastening portion 23. 51 can be detachably locked.

The covering portion 61 is formed of, for example, a non-woven fabric such as polyethylene film, ethylene, propylene, or a material obtained by bonding these films or non-woven fabrics, and covers the fastening tape 20 with respect to each fastening tape 20. It is formed as follows. The covering portion 61 has an opening at an end portion 61a outside the width direction Y (for example, the left end portion in FIG. 3) so as not to prevent the fastening tape 20 from extending in the width direction Y.
The pair of covering portions 61, 61 arranged in parallel in the longitudinal direction X is the other covering portion 61 side formed in parallel with the one covering portion 61 among the ends in the longitudinal direction X of the one covering portion 61. The first end portion 61b is formed so as to be inclined toward the other covering portion 61 side toward the outer end portion 61a in the width direction Y. Thereby, in addition to the expansion | extension operation | movement to the width direction Y, the fastening tape 20 can move to the fastening tape 20 side arrange | positioned in parallel with self, for example, as shown in FIG. Therefore, it becomes possible to perform cross-stopping. Further, since the fastening tape 20 is restricted by the covering portion 61 so as not to move in the direction opposite to the direction in which the crossing is stopped, it can be prevented from being misused when being worn by the wearer. ing.

Next, the wearing method with respect to the wearer's body of the paper diaper 100 is demonstrated.
First, at the time of initial wearing, the paper diaper 100 is placed on the lower side of the wearer's body so that the back side portion 6 of the paper diaper 100 is brought into contact with the back side of the wearer's body.
Next, the abdomen 5 is placed on the front side of the wearer's body while the centers of the crotch part 7 and the abdomen 5 are aligned with the center of the wearer's body.
Then, by pulling out the fastening portion arrangement portions 22 of the fastening tape 20 provided at both ends in the width direction Y on the outer surface side of the back side portion 6 to the outside in the width direction Y, the stretchable portion 21 is moved in the width direction. Extend to Y.
Finally, the fastening tape 20 with the stretchable portion 21 extended is disposed along the circumference of the wearer's body, and the fastening portion 23 is provided on the outer surface side of the end portion of the abdominal side portion 5 on the longitudinal direction X side. The fixed part 51 is fixed. When the fastening tape 20 is fastened, cross fastening may be performed by moving the fastening tape 20 toward the fastening tape 20 disposed in parallel with the fastening tape 20 and fastening it. Thereby, the paper diaper 100 can be mounted on the wearer's body.

  As described above, according to the paper diaper 100 according to the present embodiment, for each of the fastening tapes 20, the covering portion that covers the fastening tape 20 and has an opening at the outer end 61 a in the width direction Y. 61 is formed, and the pair of covering portions 61, 61 parallel to the longitudinal direction X is the other covering formed in parallel with the one covering portion 61 among the ends in the longitudinal direction X of the one covering portion 61. The first end portion 61b on the side of the portion 61 is formed so as to incline toward the other covering portion 61 side toward the outer end portion 61a in the width direction Y, and the fastening tape 20 is formed on the base end portion side. A stretchable portion 21 that can be stretched in the width direction Y of the back side portion 6; a fastening portion placement portion 22 formed on an end portion opposite to the base end portion; and an inner surface of the fastening portion placement portion 22 A fastening portion 23 disposed on the side and fastened to the fastened portion 51 at the time of wearing. 23 is arranged so as not exposed to the outer end portion in the width direction Y of the dorsal part 6 during the non-extension of the telescoping portion 21.

For this reason, since the fastening part 23 does not appear until the fastening part disposing part 22 is pulled out in the width direction Y, the fastening part 23 sticks to the clothes, and extra work may occur. There is no inconvenience such as 23 coming into contact with the wearer's skin and causing the wearer to feel uncomfortable.
Moreover, since the fastening part 23 can be exposed just by extending | stretching the expansion-contraction part 21 to the width direction Y, when the paper diaper 100 is mounted | worn, the fastening part 23 can be simply fastened to the to-be-attached part 51. FIG. it can.
In addition, since the stretchable part 21 can be stretched, when the fastening part 23 is attached to the fastened part 51, the waist part of the wearer is not excessively tightened by stretching the stretchable part 21. , The feeling of wearing can be improved.
Further, since the covering portion 61 is formed so that the first end portion 61b is inclined toward the other covering portion 61 side toward the outer end portion 61a in the width direction Y, the cross-stopping of the fastening tape 20 is performed. Thus, the disposable diaper 100 can be worn in accordance with the wearer's body shape.
In addition, even when cross-stopping is performed, wrinkles are less likely to occur on the proximal end side of the fastening tape 20, so that irritation to the wearer's skin associated with the formation of wrinkles can be reduced.

  As mentioned above, although concretely demonstrated based on embodiment which concerns on this invention, this invention is not limited to the said embodiment, It can change in the range which does not deviate from the summary.

<Modification 1>
For example, in the example shown in FIG. 7, among the end portions in the longitudinal direction X of one covering portion 61, the second end portion on the opposite side to the other covering portion 61 side formed in parallel with the one covering portion 61. 61c is formed to be parallel to the first end 61b. The stretchable part 21 is formed to be stretchable in the direction regulated by the covering part 61, that is, the direction in which crossing is performed.

  As described above, according to the disposable diaper 100 according to the first modification, among the end portions in the longitudinal direction X of the one covering portion 61, the other covering portion 61 side formed in parallel with the one covering portion 61 and The opposite second end portion 61c is formed so as to be parallel to the first end portion 61b, and the stretchable portion 21 is formed to be stretchable in the direction restricted by the covering portion 61. Since it can stop, a wearer's usability can be improved. In addition, since the fastening method of the fastening tape 20 can be limited to the cross fastening, it is possible to prevent misuse when the wearer wears the tape, and the wearing operation can be simplified. .

<Modification 2>
Further, in the example shown in FIG. 8, a pair of fastening tapes 20 (20 </ b> A) disposed on each of both end portions in the width direction Y on the outer surface side (surface opposite to the wearer's body) of the back side portion 6. 20B), the fastening tape 20B on the inner side in the longitudinal direction X of the back side portion 6 is formed so that the stretch rate of the stretchable portion 21 is larger than that of the outer fastening tape 20A.

  As described above, according to the disposable diaper 100 according to the modified example 2, among the fastening tapes 20 (20A and 20B) arranged in pairs, the fastening tape 20B on the inner side in the longitudinal direction X of the back side portion 6 is Since the stretch rate of the stretchable part 21 is larger than that of the outer fastening tape 20A, for example, when the wearer is in the sitting position from the supine position, compared to the abdomen. Therefore, even if the size of the leg-around is larger, the stretch rate of the fastening tape 20B on the leg-around side is large, so that the feeling of pressure when the posture is moved can be reduced. The wearer's feeling of use can be further improved.

<Modification 3>
Further, in the example shown in FIG. 9, a material that does not engage with the hook material of the fastening portion 23 at a position facing the fastening portion 23 on the outer surface side (surface opposite to the wearer's body) of the back side portion 6. A non-fixed portion 62 made of (for example, a film or the like) is formed. The non-fastening portion 62 is provided for the purpose of preventing a situation in which the fastening portion 23 is engaged with the outer surface side of the back side portion 6 and the fastening tape 20 is hardly pulled out. Accordingly, the non-fixed portion 62 may be formed at least in a position facing the fixed portion 23 in the back side portion 6. For example, as shown in FIG. It may be formed from the wearer's body (opposite surface to the wearer's body) to the position folded back to the inner surface side (the wearer's body side surface) of the back side portion 6 through the end portion.

  As described above, according to the disposable diaper 100 according to the modified example 3, the non-fastening portion 62 made of a material that does not engage with the fastening portion 23 at a position facing the fastening portion 23 on the outer surface side of the back side portion 6. Therefore, it is possible to prevent the situation in which the fastening portion 23 is engaged with the outer surface side of the back side portion 6 and it is difficult to pull out the fastening tape 20, and the paper diaper 100 can be smoothly attached. Can do.

<Modification 4>
Moreover, in the example shown in FIG. 10, the edge part 61a of the outer side of the width direction Y of the coating | coated part 61, ie, the edge part 61a which has opening, is formed in concave shape. Since the end portion 61a is formed in a concave shape, when the fastening tape 20 is pulled out, the fastening portion arrangement portion 22 of the fastening tape 20 can be easily grasped as compared with a flat shape of the end portion 61a. be able to.

  As described above, according to the disposable diaper 100 according to the modified example 4, the covering portion 61 has the outer end portion 61a in the width direction Y formed in a concave shape. Therefore, when the fastening tape 20 is pulled out, the covering portion 61 is stopped. It becomes possible to make it easy to grasp the fastening portion arrangement portion 22 of the wearing tape 20, so that the paper diaper 100 can be attached more smoothly.

  Note that Modification 1 may be combined with Modifications 2 to 4. Further, the modified example 2 may be combined with the modified examples 3 and 4. Further, the third modification may be combined with the fourth modification.

  Moreover, in the said embodiment, as shown in FIG. 4 etc., as a structure of the expansion-contraction part 21, the elastic | stretch property of thread rubber, an elastic foam strip, a film-like elastic body, a net-like elastic body, polyurethane, etc. is provided. Although what was formed with the raw material which has is illustrated and demonstrated, it is not limited to this. For example, as shown in FIG. 11, a rubber-like elastic member 21a is sandwiched between two non-woven fabrics 21b and 21b to form the stretchable portion 21, and the non-woven fabric 21b and 21b are used to form the fastening portion disposing portion 22. The fastening portion disposing portion 22 is sandwiched from the outer surface (surface opposite to the wearer's body) side and the inner surface (surface of the wearer's body side), and is sealed with an adhesive such as hot melt, heat or ultrasonic waves. It may be made to adhere to the fastening part arrangement part 22 by, for example.

DESCRIPTION OF SYMBOLS 100 Paper diaper 1 Top sheet 2 Back sheet 3 Absorber 4 Gather sheet 5 Abdominal side 51 Sticking part 6 Back side part 61 Covering part 62 Non-fixing part 7 Crotch part 8 Leg surrounding part 20 Fastening tape (fixing member) )
21 Stretching part 22 Fastening part arrangement part 23 Fastening part

Claims (5)

An absorptive body is interposed between the liquid-permeable top sheet and the liquid-impervious back sheet, the abdomen located on the abdomen side of the wearer, the dorsal side part located on the dorsal side, and the abdomen side A crotch portion located between the back portion and the back side portion, a fastening member disposed in parallel in the longitudinal direction at each of both ends in the width direction on the outer surface side of the back side portion; A diaper provided with an attached portion provided on an outer surface of the abdomen and capable of detachably locking the fastening member,
For each of the fastening members, a covering portion that covers the fastening member and has an opening at the outer end in the width direction is formed.
The pair of covering portions arranged in parallel in the longitudinal direction has the first end portion on the other covering portion side formed in parallel with the one covering portion among the end portions in the longitudinal direction in one covering portion, It is formed so as to incline toward the other covering portion side toward the outer end in the width direction,
The fastening member is
An expansion / contraction part formed on the base end part side, and extendable / contractible in the width direction of the back side part;
A fastening portion arrangement portion formed on an end side opposite to the base end portion;
A fastening part disposed on the inner surface side of the fastening part placement part and fastened to the secured part when mounted;
With
The fastening portion is
A disposable diaper, wherein the disposable diaper is disposed so as not to be exposed outside an end portion in a width direction of the dorsal side portion when the stretchable portion is not extended. Of the end portions in the longitudinal direction of the one covering portion, the second end portion on the opposite side to the other covering portion side formed in parallel with the one covering portion is parallel to the first end portion. Formed as
The disposable diaper according to claim 1, wherein the stretchable portion is formed to be stretchable in a direction regulated by the covering portion.   Of the fastening members arranged one by one, the fastening member on the inner side in the longitudinal direction of the back side portion is formed so that the stretch rate of the stretchable portion is larger than that of the outer fastening member. The disposable diaper according to claim 1 or 2, wherein the disposable diaper is provided.   The non-fixed part which consists of a raw material which does not engage with the said fixing | fixed part is formed in the position facing the said fixing | fixed part of the outer surface side of the said back side part. The disposable diaper according to one item.   The paper diaper according to any one of claims 1 to 4, wherein the outer end of the covering portion in the width direction is formed in a concave shape.

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