JP4940001B2 - Disposable absorbent article - Google Patents

Description

  The present invention relates to a disposable absorbent article for adults or incontinence.

  Conventionally, this type of disposable absorbent article is provided with a substantially square-shaped absorbent article body having a liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body disposed between the two sheets. . In this absorbent article body, a back side waist part, a both-sides leg part, and a front side abdominal waist part, which are the rear side, are integrally formed in the longitudinal direction.

  In addition, joint pieces having hook surfaces of planar fasteners are provided on both sides of the back waist portion of the absorbent article body, and loop fasteners of planar fasteners are provided on the ventral waist portion. The hook surface portion and the loop surface portion are engaged, and both the back waist portion and the abdominal waist portion are joined to each other, thereby providing one waist opening and a pair of leg openings. It is formed in the pants shape which has.

  A knob for improving the operability of the joint piece is provided at the tip edge of the hook surface part of the joint piece of such a disposable absorbent article, and the knob is further engaged with the hook surface part like the loop surface part. By making it possible, the knob portion can be temporarily fixed to the hook surface portion except during mounting.

The hook surface portion is provided with a non-engagement portion that does not engage with the knob portion and the loop surface portion, so that the non-engagement portion does not engage with the knob portion and the loop surface portion. And the knob part and the loop surface part are not engaged with each other, the hook surface part, the knob part and the loop surface part can be easily peeled off, and the operability of the joining piece is improved ( For example, see Patent Document 1.)
Japanese Patent Laying-Open No. 2005-319139 (page 2-5, FIG. 1)

  However, in the above-described disposable absorbent article, when the hook surface portion, the knob portion, and the loop surface portion are engaged, the non-engagement portion, the knob portion, and the loop surface portion are not engaged, but the non-engagement portion. Since the other hook surface portion engages with the knob portion and the loop surface portion, the entire knob portion is positioned so as to stick to the hook surface portion, the knob portion is difficult to pick, and the operability of the joining piece is not good. .

  This invention is made | formed in view of such a point, and it aims at providing the disposable absorbent article with favorable operativity of a joining piece.

Claimed described in claim 1 invention comprises an absorbent body located between the surface sheet located on the inner surface side, the back sheet positioned on the outer surface side, and these topsheet and the backsheet, along the longitudinal direction An absorptive article body in which a back-side waist part, a crotch part, and an abdomen waist part are sequentially integrally formed, one planar fastener part and a spacing piece; A joint piece provided on each side of the first part and the one planar fastener part, and the other planar fastener part disposed on the ventral waist part. It is a disposable absorbent article which becomes a pants shape by engaging the planar fastener portion and the other planar fastener portion, and at least a part of the joining piece is formed between the topsheet and the backsheet. A base joined between the absorbent article and the absorbent article In the width direction, extends outwardly from the base, and extending portion capable folded inwards, provided at a tip edge of the extending portion, in the folded state of the extending portion is folded back, opposite to said base portion and a hysterectomy viewed part you, the one of the planar fastener portion, said at extending portion folded state is disposed on the inner surface side of the extending portion, provisional at opposite positions on the base The interval holding piece is disposed on the inner surface side of the knob portion on the tip edge side of the one planar fastener portion with the extended portion folded back, and the interval holding piece and the one of the interval holding pieces A part of the space between the space holding piece and one of the surface fasteners is formed with a bent portion by hot embossing, and the extension portion is disposed apart from the surface fastener portion. temporarily joined disposable suction to the opposing base in hot embossing in the folding state Is a sex articles.

Claims described in a second aspect of the present invention has an absorber positioned between the surface sheet located on the inner surface side, the back sheet positioned on the outer surface side, and these topsheet and the backsheet, along the longitudinal direction A back waist part, a crotch part, an abdomen waist part, an absorbent article body integrally formed in order, one planar fastener part and a spacing piece; Each of the joint pieces provided on both side portions of the first and second planar fastener portions, and the other planar fastener portion disposed on the ventral waist portion. A disposable absorbent article having a pants shape by engaging a planar fastener portion with the other planar fastener portion, wherein the joining piece is joined between the top sheet and the back sheet. In the base and the width direction of the absorbent article body, Extending from parts outward portion, the extending portion can be folded inwards, provided at a tip edge of the extending portion, in the folded state of the extending portion is folded back, hysterectomy you face the topsheet and a saw unit, the one of the planar fastener portion, said extending portion in a folded state is disposed on the inner surface side of the extending portion, temporarily fixed possible at a position facing on the topsheet The interval holding piece is disposed on the inner surface side of the knob portion on the tip edge side of the one planar fastener portion with the extending portion being folded back, and the interval holding piece and the one planar shape A part of the space between the gap holding piece and one of the planar fasteners is formed with a bent portion by hot embossing, and the extension portion is folded back. temporarily joined disposable absorbent on opposing topsheet by thermal embossing in a state Ru goods der.

According to a third aspect of the present invention, in the disposable absorbent article according to the first or second aspect , the joining piece has a folded state in which the extension portion is folded back, and one planar fastener portion has the other planar shape. in which the height of the cross-sectional direction of the knob portion in the engaged state engaged with the fastener portion, which is formed as a one planar fastener portion increases toward the tip end of the knob portion by the distance holding pieces Oh Ru.

  According to the first aspect of the present invention, in the joining piece, the inner surface of the knob portion on the tip edge side from the one surface fastener portion disposed on the inner surface side of the extending portion when the extending portion is folded. Since the spacing holding piece is disposed on the side, the extension portion is in a folded state or in an engaged state with the other planar fastener portion, and between the knob portion and the base portion and the other planar fastener portion. Since the knob can be easily picked, the operability of the joining piece can be improved.

Further, since the bent portion is formed in the separation portion between the spacing piece and the one planar fastener portion, the folding portion is folded and the folded portion is engaged with the other planar fastener portion. Since the bent portion is bent and the interval holding effect of the interval holding piece is improved and the knob portion can be prevented from sticking to the base portion and the top sheet, deterioration of the operability of the joining piece can be prevented.

Furthermore, since a part of the spacing portion between the spacing piece and one of the planar fastener portions is temporarily joined to the base portion or the surface sheet, the extended portion is reliably folded before the disposable absorbent article is mounted. Since it can maintain and the state which a pick part is easy to pick can be maintained with a space | interval holding piece, the operativity of a joining piece can be improved.

  According to the invention described in claim 2, the absorbent article body and the joining piece can be firmly joined by joining the entire base portion between the top sheet and the back sheet.

  Moreover, since one planar fastener part can temporarily fix | stop on the said surface sheet, a knob | pick part can be easily picked and the operativity of the said junction part can be improved.

Further, since the bent portion is formed in the separation portion between the spacing holding piece and one of the planar fastener portions, the extension portion is folded and engaged with the other planar fastener portion. Since the bent portion is bent and the interval holding effect of the interval holding piece is improved and the knob portion can be prevented from sticking to the base portion and the top sheet, deterioration of the operability of the joining piece can be prevented.

In addition, since a part of the spacing part between the spacing piece and the one surface fastener part is temporarily joined to the base part or the surface sheet, the extension part is reliably folded before the disposable absorbent article is mounted. Since it can maintain and the state which a pick part is easy to pick can be maintained with a space | interval holding piece, the operativity of a joining piece can be improved.

According to the invention described in claim 3 , since the height in the cross-sectional direction of the knob is increased from one planar fastener portion toward the tip edge of the knob, the knob is more easily picked and joined. Ru can further improve the operability of the pieces.

Hereinafter, a first embodiment of the base technology of the present invention will be described in detail with reference to FIGS.

  As shown in FIG. 2, the disposable absorbent article 11 is a disposable paper diaper, for example, and includes an absorbent article body 12. The absorbent article body 12 is worn along the body from the back side to the abdomen side of a wearer such as a sick person or an incontinence person, for example, by forming the pant shape from the deployed state. The absorbent article body 12 includes a topsheet 13 positioned on the inner surface side, a backsheet 14 positioned on the outer surface side, and a liquid-absorbing absorbent disposed between the topsheet 13 and the backsheet 14. The body 15 is formed in layers.

  The top sheet 13 is formed by a liquid-permeable sheet 16 having liquid permeability and a liquid-impervious liquid-permeable sheet 17 provided on both sides of the liquid-permeable sheet 16, respectively. A solid gather portion is formed by the liquid sheet 17 and an elastic body (not shown).

  Then, the front sheet 13 and the back sheet 14 are bonded to each other with, for example, an adhesive and the absorbent body 15 is sealed, and the front sheet 13, the back sheet 14, and the absorbent body 15 are absorbent. The article bodies 12 are sequentially formed in a substantially square shape substantially along the longitudinal direction of the article body 12.

  Here, the liquid-permeable sheet 16 in the top sheet 13 is formed of a sheet material having liquid permeability and air permeability, such as a woven fabric, a nonwoven fabric, a porous film, or a synthetic fiber, and feeling close to underwear. In this case, excretion fluid such as urine is transmitted to the absorber 15 and does not give discomfort even if it comes into direct contact with the body.

  Further, the liquid impervious sheet 17 and the back sheet 14 of the top sheet 13 are preferably formed of a sheet material having liquid impermeability and air permeability, such as a synthetic resin such as polyethylene resin. For example, other clothes such as underwear or dirt such as sheets are prevented by excreted liquid such as urine.

  Further, the absorber 15 is a material mainly made of pulp, for example, and is formed into a sheet shape with a material partially containing a substance such as a polymer absorber, and sufficiently absorbs excreted fluid such as urine. .

  Then, the top sheet 13 and the back sheet 14 are integrally formed in the longitudinal direction of the absorbent article body 12 in the deployed state, with the back waist part 18, the crotch part 19, and the abdomen waist part 20 in an unfolded state. In addition, it is formed in a substantially rectangular shape that is line-symmetric with respect to a center line that is substantially along the longitudinal direction, and on both side edges in the width direction of the crotch part 19, a leg part cut out on a substantially concave arc 21 is formed.

  Furthermore, a back waistline portion 18 is formed on one end side in the longitudinal direction of the absorbent article body 12 in the deployed state, and a ventral waistline portion 20 is formed on the other end side. The article body 12 is appropriately bent, and the back side waist part 18 is located on the back side of the waist of the wearer, the abdominal side waist part 20 is located on the abdomen side of the waist, and the leg part 21 The leg periphery 21 is fitted around the leg of the wearer by the elastic body 22 provided in the vicinity.

  Further, the crotch part 19 is integrally formed continuously from the back side waist part 18 to the abdominal side waist part 20 at the middle part in the longitudinal direction in the deployed state of the absorbent article body 12, from this developed state. Absorbent article body 12 is appropriately bent to be a part located in the crotch of the wearer, and absorbent body 15 is in a state substantially along the longitudinal direction of absorbent article body 12, and back waist part 18 The ventral waist part 20 and the crotch part 19 are arranged over substantially the center.

  Then, on both side edges of the back waist part 18, a joining piece 25 having one planar fastener part 23 as a hook surface part and a spacing piece 24 is provided. The other planar fastener portion 26 is provided as a substantially rectangular loop surface portion that is detachable from the planar fastener portion 23, and the one planar fastener portion 23 and the other planar fastener portion 26 are connected to each other. By engaging, the absorbent article body 12 becomes a pants shape.

  Here, the joining piece 25 is formed of, for example, a woven fabric or a film-like sheet, and is formed by laminating one sheet or a plurality of sheets. Therefore, a flexible material or configuration is preferable.

  1 shows a cross section of the joining piece 25 in FIG. 2. The joining piece 25 has a panel-like base 27 at least partially sandwiched and joined between the top sheet 13 and the back sheet 14, and an absorbent property. In the width direction of the article body 12, it is integrally formed so as to protrude from the outer side of the panel-like base 27, and is located on the leading edge side of the extending part 28 and the extending part 28 that can be folded back inward. The protruding portion 28 includes a knob portion 29 formed at a position facing the base portion 27 in a folded state.

  In this embodiment, the two extending portions 28 and the knob portion 29 are formed so as to protrude from the outer portion of the base portion 27 at an interval in the longitudinal direction of the absorbent article body 12, The extension part 28 and the knob part 29 are not limited to two.

  In addition, when the extended portion 28 is folded, one planar fastener portion 23 that is opposed to the base portion 27 is provided on the inner surface side of the extended portion 28. The base portion 27 is provided with one planar fastener portion 23. It is formed so that it can be temporarily fixed at an opposing position on the base portion 27, and the extension portion 28 is folded and the one planar fastener portion 23 and the base portion 27 are engaged with each other. The part 28 and the knob part 29 can be temporarily fixed.

  Furthermore, the absorbent article body 12 is formed in a pants shape by setting the extended portion 28 in an unfolded state and engaging one planar fastener portion 23 and the other planar fastener portion 26 of the extended portion 28. become.

  Here, the material of the base portion 27 is not limited, but for example, the base portion 27 is preferably formed of a nonwoven fabric or a loop surface portion of a planar fastener that can be engaged with one planar fastener portion 23 as a hook surface portion.

  In addition, a spacing piece 24 is provided on the inner surface side of the knob portion 29 on the distal end edge side with respect to the one planar fastener portion 23 with the extended portion 28 being folded back.

  In addition, as shown in FIG. 3, when the extended portion 28 is in the deployed state, the extended portion 28 and the knob portion 29 are sequentially formed integrally from the outer side of the base portion 27 so as to protrude from the extended portion 28. One planar fastener portion 23 is provided, and a spacing piece 24 is provided on a knob 29 on the distal end side of the one planar fastener portion 23.

  The height in the cross-sectional direction of the interval holding piece 24 is not particularly limited, but when formed higher than the top sheet 13 and one planar fastener portion 23, the extended portion 28 is folded and the other planar fastener portion 26 is formed. In the engaged state, it is preferable that a space for securely picking the knob portion 29 can be provided between the knob portion 29 and the base portion 27 and the other planar fastener portion 26.

  Further, although the material of the spacing piece 24 is not limited, a lightweight and elastic material such as polyurethane or polyethylene is preferable, and in order not to deteriorate the operability at the time of wearing or temporary fixing, In order not to engage with the planar fastener portion 23 and the other planar fastener portion 26, for example, a material that does not easily engage with the one planar fastener portion 23 and the other planar fastener portion 26 is used, or the interval is maintained. When the surface of the piece 24 is processed into a film shape, the operability of the joining piece 25 is not deteriorated.

  Further, the interval holding piece 24 is not limited to a rectangular cross-sectional shape, for example, a triangle as shown in FIG. 4 (a), a circle as shown in FIG. 4 (b), or a shape as shown in FIG. 4 (c). It may be a semicircle as shown.

  Here, the arrangement position of the interval holding piece 24 is not limited as long as the extending portion 28 is in the folded state and the inner surface side of the knob portion 29, but the tip portion 31 is provided at the tip edge of the knob portion 29 to hold the interval. If the piece 24 is disposed between the tip portion 31 and one planar fastener portion 23, it is preferable to pick the tip portion 31 so that the knob portion 29 can be easily picked.

  Further, in FIG. 5, the length a of the distal end portion 31 in the longitudinal direction of the knob portion 29 is not limited, but if the length a of the distal end portion 31 is longer than the length b in the cross-sectional direction of the interval holding piece 24, When the tip 31 is bent, the base portion 27 and the other planar fastener portion 26 hang down, and the tip portion 31 is difficult to pick. Therefore, the length a of the tip portion is equal to the length b of the spacing piece 24. Shorter is preferred.

Next, the operation and effect of the first embodiment of the base technology will be described.

  When wearing the disposable absorbent article 11, the back waist part 18, the crotch part 19, and the abdomen waist part 20 of the absorbent article body 12 are respectively attached to the wearer's back waist part, crotch part, and ventral waist part. Fit one planar fastener part 23 provided on the joining piece 25 of the back waist part 18 and the other planar fastener part 26 provided on the abdomen waist part 20 in correspondence with each other. To do.

  Here, in the absorbent article body 12 before being mounted, the extension portion 28 is in a folded state, and the base portion 27 and one planar fastener portion 23 are engaged and temporarily fixed, so that one planar fastener portion 23 is removed from the base 27 and engaged with the other planar fastener 26 to be mounted.

  Like the absorbent article body 12 before mounting, when the extension part 28 is temporarily fixed in a folded state, the knob part 29 is positioned so as to stick to the base part 27, so that the knob part 29 is difficult to pick, The operability of the joining piece 25 is deteriorated, and for example, it is difficult for a wearer with a weak grip strength to wear it.

  Therefore, as shown in FIG. 6, with the extended portion 28 being folded back, the spacing holding piece 24 is disposed on the inner surface side of the knob portion 29 on the front end edge side with respect to one of the planar fastener portions 23, thereby the knob portion 29. Can be provided between the base portion 27 and the base portion 27, so that the knob portion 29 can be easily picked, the extension portion 28 temporarily fixed on the base portion 27 can be easily removed, and the operability of the joining piece 25 is improved. it can.

  Further, the extension portion 28 is not only in the folded state but also in the engaged state with the other planar fastener portion 26, and the interval holding piece 24 is provided between the other planar fastener portion 26 and the knob portion 29. An interval can be provided, and the operability of the joining piece 25 can be improved.

  Then, by forming the height in the cross-sectional direction of the spacing piece 24 higher than the top sheet 13 and one planar fastener portion 23, the extended portion 28 is folded and engaged with the other planar fastener portion 26. In this state, the height in the cross-sectional direction of the knob 29 is higher than the height in the cross-sectional direction of the top sheet 13 and the other planar fastener 26, and the knob 29 and the base 27, the top sheet 13 and the other planar fastener. Since an interval for reliably picking the knob portion 29 can be provided between any of the portions 26, the operability of the joining piece 25 can be further improved.

  If the height in the cross-sectional direction of the spacing piece 24 is higher than the sum of the heights of the top sheet 13 and one planar fastener 23, the knob 29, the base 27, the top sheet 13, and the other planar fastener It is preferable because an interval for more securely picking the knob portion 29 can be provided between any of the portions 26 and the operability of the joining piece 25 can be further improved.

  Also, when the tip 31 is provided at the tip edge of the knob 29 and the spacing piece 24 is disposed between the tip 31 and one of the planar fasteners 23, the knob 31 can be picked by picking the tip 31. Since 29 can be reliably picked, the operability of the joining piece 25 can be improved.

  Further, by making the length a of the tip 31 in the longitudinal direction of the knob 29 shorter than the length b in the cross-sectional direction of the spacing piece 24, when the tip 31 is bent, the base 27 or the other surface Since the tip portion 31 can be prevented from hanging down from the shaped fastener portion 26, the operability of the joining piece 25 can be prevented from deteriorating.

  Then, by forming the spacing piece 24 so as not to engage with the one planar fastener portion 23 and the other planar fastener portion 26, the spacing piece 24 and the one planar fastener portion 23 and the other planar shape are formed. By engaging with the fastener part 26, it is possible to prevent the knob part 29 and the tip part 31 from becoming difficult to pick, so that the operability of the joining piece 25 is prevented from being deteriorated.

Next, a second embodiment of the base technology of the present invention will be described with reference to FIGS. In addition, about the structure and effect | action similar to said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  As shown in FIGS. 7 and 8, the absorbent article body 12 is provided with two joining pieces 25.

  The joining piece 25 is sandwiched and joined to the entire base 27 of the joining piece 25 between the top sheet 13 and the back sheet 14, and an extending portion 28 and a knob portion 29 are provided on the leading edge side of the base 27, respectively. A band-shaped joining piece 25 is formed from the base portion 27, the extension portion 28, and the knob portion 29.

  In addition, although two joining pieces 25 are provided at intervals in the longitudinal direction of the absorbent article body 12, the number is not limited to two, and the first embodiment shown in FIGS. The joining piece 25 may be configured by forming the extending portion 28 and the knob portion 29 so as to protrude from the panel-like base portion 27 as in the embodiment.

  When the extended portion 28 is temporarily fixed in the folded state, one planar fastener portion 23 is engaged on the top sheet 13, and the spacing piece 24 is interposed between the knob 29 and the top sheet 13. The gap between the knob 29 and the top sheet 13 is maintained by being positioned.

  In this way, the entire base portion 27 is bonded between the top sheet 13 and the back sheet 14, which is preferable because the bonding strength of the bonding piece 25 is improved.

  Furthermore, the bonding strength of the bonding piece 25 can be improved by making the area of the base 27 bonded between the top sheet 13 and the back sheet 14 larger than the sum of the areas of the extending part 28 and the knob part 29. .

  Further, in the first embodiment, when the extension portion 28 is folded back and temporarily fixed, the topsheet 13 is placed on the inner side in the width direction of the absorbent article 12 from the position where the knob portion 29 on the base portion 27 faces. There is a case where the projecting portion is formed, and the picking portion 29 and the tip portion 31 may be difficult to pick, but by extending the entire base portion 27 between the topsheet 13 and the backsheet 14, the extended portion on the topsheet 13 28 can be temporarily fixed, there is no convex portion on the inner side in the width direction of the absorbent article body 12 from the position where the knob portion 29 on the top sheet 13 is opposed, and the knob portion 29 and the tip portion 31 are easy to pick, The operability of the joining piece 25 can be further improved.

Next, a third embodiment of the prerequisite technology of the present invention will be described with reference to FIG. In addition, about the structure and effect | action similar to said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 9, the entire base portion 27 of the joining piece 25 is joined between the topsheet 13 and the backsheet 14, and the area of the joined base portion 27 includes the extension portion 28 and the knob portion 29. It is formed so that it may become smaller than the area added.

  Thus, the material can be reduced by reducing the area of the base part 27 to be joined within a range in which the necessary joining strength can be maintained, and the absorbent article body can be further removed from the position where the knob part 29 on the top sheet 13 faces. Since there are no irregularities on the inner side in the width direction of 12, the knob part 29 and the tip part 31 can be more easily picked, and the operability of the joining piece 25 can be further improved.

Next, a first embodiment of the present invention will be described with reference to FIG. In addition, about the structure and effect | action similar to said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 10, the spacing piece 24 and one planar fastener portion 23 are spaced apart, and a spacing portion 32 is provided between the spacing piece 24 and one planar fastener portion 23. It has been.

  The spaced-apart portion 32 is provided with a bent portion 33 formed so that the surface on the outer surface side is recessed while the extending portion 28 is folded back.

  The bent portion 33 may be formed from either the inner surface side or the outer surface side of the separating portion 32 with the extended portion 28 folded and engaged with the other planar fastener portion 26, and further on the inner surface side. However, if the bent portion 33 is formed on the inner surface side, the knob portion 29 bends to the inner surface, and the base 27 and the other planar fastener portion 26 and the knob portion 29 Since the interval is reduced and the interval holding effect of the interval holding piece 24 may be reduced, it is preferably formed on the outer surface side.

  Further, when the bent portion 33 is formed, if the extending portion 28 is folded and formed so that the separating portion 32 protrudes from the outer surface side to the inner surface side of the separating portion 32, the knob portion 29 is further moved to the outer surface side. Although it is preferable because it is easy to bend, it is not limited to forming the separating portion 32 projecting from the outer surface side to the inner surface side, and it may be formed so that only the surface of the separating portion 32 is recessed.

  In addition, the bent portion 33 may be formed in a continuous linear shape or an intermittent linear shape in the width direction of the extending portion 28. Alternatively, the separation portion 32 may be formed to penetrate in the cross-sectional direction.

The bent portion 33 of the spacing portion 32 is formed a part of the spacing portion 32 in a manner such as to form is processed by hot embossing.

  As described above, the bent portion 33 is provided in the separating portion 32, so that the extending portion 28 of the joining piece 25 is folded and engaged with the other planar fastener portion 26, and the separating portion 32 is bent outward. In addition, since the space holding effect between the base portion 27 and the other planar fastener portion 26 and the knob portion 29 by the interval holding piece 24 can be improved and the knob portion 29 can be prevented from sticking to the base portion 27, The deterioration of the operability of the joining piece 25 can be prevented.

Next, a second embodiment of the present invention with reference to FIG. 11. In addition, about the structure and effect | action similar to said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 11, the height of the knob portion 29 in the cross-sectional direction is from the side of the one planar fastener portion 23 when the extended portion 28 is folded and engaged with the other planar fastener portion 26. The upper part in the cross-sectional direction of the interval holding piece 24 is formed to be inclined so as to become higher toward the tip edge of the portion 29.

  In addition, in FIG. 11, although the height of the cross-sectional direction of the knob | pick part 29 is formed so that it may become linearly, you may form so that the knob | pick part 29 may curve.

  As described above, the distance holding piece 24 is formed so that the height in the cross-sectional direction of the knob portion 29 is increased toward the tip edge side of the extension portion 28, so that the knob portion 29 and the tip portion 31 are more picked. It becomes easy and the operativity of the joining piece 25 improves more.

Next, a third embodiment of the present invention will be described with reference to FIG. In addition, about the structure and effect | action similar to said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 12, the spacing piece 24 and the one planar fastener portion 23 are spaced apart from each other, and one spacing portion 32 between the spacing piece 24 and the one planar fastener portion 23 is disposed. The part is temporarily joined to the base 27 facing the separating part 32 with the extended part 28 folded.

  Further, the position to be temporarily joined is not limited as long as it is a separation portion 32 between the interval holding piece 24 and one planar fastener portion 23, and further, a part of the separation portion 32 is used when the disposable absorbent article 11 is mounted. May be temporarily joined, but may be rejoinable.

When temporary bonding is temporarily joined to the part and the base 27 of the spacer portion 32 by heat embossing.

  In the state before the disposable absorbent article 11 is mounted, the extension portion 28 is folded, and one planar fastener portion 23 can be temporarily fixed to the base 27.For example, when the strength of this temporary fixing is low, In the case where an unexpected force is applied to the knob part 32 that is not temporarily fixed, the temporarily fixed one planar fastener part 23 is detached from the base part 27, for example, the joining piece 25 is in an unfolded state. Or one of the planar fastener portions 23 may be engaged with a portion different from the base portion 27.

  In particular, if one planar fastener part 23 temporarily fixed at the time of manufacture is detached from the base part 27, there is a possibility that a manufacturing failure occurs and productivity is deteriorated.

  Therefore, a part of the spacing part 32 between the spacing piece 24 and one of the planar fastener parts 23 is temporarily joined to the base part 27, so that the folded state of the extending part 28 can be reliably maintained, resulting in production defects. Can be prevented, and a decrease in productivity can be prevented.

  Furthermore, since the part of the spacing part 32 is temporarily joined to the base part 27, the folded-back state of the extending part 28 can be reliably maintained, and the state in which the knob part 29 can be easily picked by the interval holding piece 24 can be maintained. The planar fastener portion 23 is detached from the base portion 27, and the operability of the joining piece 25 due to engagement with a portion different from the base portion 27 can be prevented.

It is sectional drawing of the joining piece in the disposable absorbent article of 1st Embodiment of the premise technique of this invention. It is the top view which notched a part which shows the expansion | deployment state of a disposable absorbent article same as the above. It is a top view which shows the expansion | deployment state of the joining piece in a disposable absorbent article same as the above. (A) (b) (c) is sectional drawing which shows the difference in the shape of the space | interval holding piece in the joining piece of a disposable absorbent article same as the above. It is sectional drawing of the joining piece in a disposable absorbent article same as the above. It is sectional drawing of the joining piece in a disposable absorbent article same as the above. It is a top view which shows the expansion | deployment state of the joining piece in the disposable absorbent article of 2nd Embodiment of the premise technique of this invention. It is sectional drawing which shows the joining piece in a disposable absorbent article same as the above. It is sectional drawing of the joining piece in the disposable absorbent article of 3rd Embodiment of the premise technique of this invention. It is sectional drawing of the joining piece in the disposable absorbent article of the 1st Embodiment of this invention. It is sectional drawing of the joining piece in the disposable absorbent article of the 2nd Embodiment of this invention. It is sectional drawing of the joining piece in the disposable absorbent article of the 3rd Embodiment of this invention.

11 Disposable absorbent articles
12 Absorbent articles
13 Surface sheet
14 Back sheet
15 Absorber
18 Dorsal waist
19 Inseam area
20 Ventral waist area
23 One planar fastener
24 Spacing piece
25 Joint pieces
26 The other planar fastener
27 Base
28 Extension part
29 Pick section
32 Spacing section
33 Folding part

Claims (3)

Surface sheet located on the inner side, has a backsheet, and the absorbent body located between these topsheet and the backsheet is positioned on the outer surface side, the back side waist portion along the longitudinal direction, crotch around portion the absorbent article body ventral waist part are sequentially integrally formed and,
Having one planar fastener portion and a spacing piece, joint pieces provided on both sides of the back waist portion; and
The one surface fastener portion is detachable, and includes the other surface fastener portion disposed in the ventral waist portion,
A disposable absorbent article having a pants shape by engaging the one planar fastener portion and the other planar fastener portion,
The joining piece is
A base part at least partially joined between the top sheet and the back sheet;
In the width direction of the absorbent article body, extending outwardly from said base portion, and the extending portion can be folded inwards,
Provided at the distal end edge of the extending portion, in the folded state of the extending portion is folded back, and a hysterectomy viewed portion you face the base portion,
The one planar fastener portion is
In the folded state, the extended portion is disposed on the inner surface side of the extended portion, and can be temporarily fixed at an opposing position on the base,
The spacing piece is
In the folded state, the extended portion is disposed on the inner surface side of the knob portion on the tip edge side than the one planar fastener portion ,
The spacing piece and the one planar fastener portion are spaced apart from each other, and a part of the spacing portion between the spacing piece and the one planar fastener forms a bent portion by heat embossing. A disposable absorbent article characterized by being temporarily joined by hot embossing to a base portion facing in the folded state of the extension portion . Surface sheet located on the inner side, has a backsheet, and the absorbent body located between these topsheet and the backsheet is positioned on the outer surface side, the back side waist portion along the longitudinal direction, crotch around portion Absorptive article body in which the ventral waist part is sequentially formed integrally,
Has one of the planar fastener portion and interval holding piece, a joining piece respectively provided on both sides of the dorsal waist part,
The one surface fastener portion is detachable, and includes the other surface fastener portion disposed in the ventral waist portion,
A disposable absorbent article having a pants shape by engaging the one planar fastener portion and the other planar fastener portion,
Before Kise' Gohen is,
A base joined between the top sheet and the back sheet;
In the width direction of the absorbent article body , extending from the base portion to the outer portion , and an extending portion that can be folded back inward,
Provided at the distal end edge of the extending portion, in the folded state of the extending portion is folded back, and a hysterectomy viewed portion you face the topsheet,
The one planar fastener portion is
The extending portion is in a folded state is disposed on the inner surface side of the extending portion, it is possible temporarily fixed at a position facing on said surface sheet,
The spacing piece is
In the folded state, the extended portion is disposed on the inner surface side of the knob portion on the tip edge side than the one planar fastener portion ,
The spacing piece and the one planar fastener portion are spaced apart from each other, and a part of the spacing portion between the spacing piece and the one planar fastener forms a bent portion by heat embossing. A disposable absorbent article, characterized in that the disposable absorbent article is temporarily joined to the facing surface sheet in a folded state of the extended portion by hot embossing . Joining piece, the cross-sectional direction of the height of the knob in the engaged state in which the planar fastener portion of the folded state and the one extending portion is folded is engaged with the other surface shaped fastener part, by the distance holding pieces The disposable absorbent article according to claim 1 or 2 , wherein the disposable absorbent article is formed so as to increase from one planar fastener portion toward a tip edge of the knob portion.

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