CN1943529B - Disposable napkin - Google Patents
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- CN1943529B CN1943529B CN2006101515123A CN200610151512A CN1943529B CN 1943529 B CN1943529 B CN 1943529B CN 2006101515123 A CN2006101515123 A CN 2006101515123A CN 200610151512 A CN200610151512 A CN 200610151512A CN 1943529 B CN1943529 B CN 1943529B
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Abstract
A disposable diaper has a front face sheet (2), a reverse face sheet (3) and an absorber (4), the leg flap parts (5, 5) are installed along the both sides of the absorber (4). The leg flap part (5) comprises a leg gather (51) and a covering sheet (62) jointed with the upper face thereof by an upper joint (71) in the crotch part. An outer end part (51A) in the width direction of the leg gather (51) and an outer end part (62A) in the width direction of the covering sheet (62) approximately coincide with each other. The leg gather (51) comprises a leg elastic member (52) juxtaposed in the width direction which is sandwiched between upper and lower sides of a leg gather-forming sheet (8). A leg elastic member (52A) located outermost in the width direction is installed at an outer end part (5A) in the width direction of the leg flap parts (5, 5) or in the neighborhood thereof. An outer end part (71A) in the width direction of the upper joint (71) is located in the width direction inside the leg elastic member (52A) located outermost in the width direction.
Description
Technical field
The present invention relates to disposable diaper, particularly have the disposable diaper of leg flap parts.
Background technology
As prior art, the disposable diaper with leg flap parts is widely known by the people.In this diaper, be provided with the pair of leg alar part along the both sides of the length direction of diaper, the width outside at leg flap parts has formed folding through shank rivel (leg gather).
Use this disposable diaper; When dressing diaper to the child, the folding meeting of the shank rivel in the leg flap parts of diaper enters into the inboard of diaper, if keep this state; In the wearing process of diaper, the situation that urine spills from leg flap parts might take place then.Therefore, the head of a family etc. must draw out the folding of shank rivel the outside of diaper and adjust taking a lot of trouble when causing the wearing diaper when dressing diaper to the child.
In addition, show to disclose a kind of disposable diaper in 2002-522117 communique and the Te Biao 2003-513708 communique, wherein, be positioned near the end in the width outside that the outermost leg elastic members of diaper width is configured in leg flap parts the spy.In the diaper of this structure,, therefore do not have or almost do not form folding in the outside of leg flap parts because leg elastic members is configured near the end in the width outside of leg flap parts.So when dressing diaper to the child, the folding inboard that can not enter into diaper of the shank rivel in the leg flap parts of diaper need not be adjusted around the lower limb when dressing diaper, so can promptly dress.And it is slender that outward appearance also becomes, and increases attractive in appearance.
In addition; In the disposable diaper that the spy shows to put down in writing in 2002-522117 communique and the Te Biao 2003-513708 communique; Go up joint at the upper surface (skin contact one side) of shank rivel other sheet material is arranged; The shank rivel can directly not contact with the skin of wearer, thus directly contact the skin feel that causes because of shank rivel and skin not goodly obtained solution.
But for the disposable diaper of said structure, expectation further improves the skin feel of leg flap parts.
Summary of the invention
Therefore, the objective of the invention is: provide for disposable diaper, can further improve the disposable diaper of the skin feel of leg flap parts with the leg flap parts that constitutes by the upper surface of cover sheets covering shank rivel.
The present invention has realized above-mentioned purpose through following disposable diaper is provided.Said disposable diaper has face sheet, back-sheet and the absorber between two sheet materials; Both sides along the length direction of this absorber are provided with the pair of leg alar part; Wherein said leg flap parts is made up of shank rivel and cover sheets in crotch portion at least; Said cover sheets is bonded on the upper surface of this shank rivel and covers this upper surface through upper bond portion; The end in the end in the width outside of said shank rivel and the width outside of said cover sheets is roughly concordant; Said shank rivel forms sheet material by the shank rivel and forms from clamping broad ways many leg elastic members arranged side by side up and down; The outermost said leg elastic members that is configured in width is configured near end or its in a pair of said leg flap parts width outside separately, and the end in the width outside of said upper bond portion is positioned at than is configured in the outermost said leg elastic members of width and more leans on the inboard position of width.
Description of drawings
Fig. 1 is the axonometric chart of the 1st embodiment under naturalness of disposable diaper of the present invention.
Fig. 2 is the expansion plane graph of disposable diaper under tense situation of the 1st embodiment.
Fig. 3 (a) is the constructed profile of III-III section shown in Figure 2.Fig. 3 (b) is the partial enlarged drawing of Fig. 3 (a).
Fig. 4 is the local amplification profile (corresponding diagram of Fig. 3 (b)) that schematically illustrates the leg flap parts in the 2nd embodiment of disposable diaper of the present invention.
Fig. 5 (a) is the constructed profile (corresponding diagram of Fig. 3 (a)) of the 3rd embodiment of disposable diaper of the present invention.Fig. 5 (b) is the partial enlarged drawing (corresponding diagram of Fig. 3 (b)) of Fig. 5 (a).
Fig. 6 is the local amplification profile (corresponding diagram of Fig. 3 (b)) that schematically illustrates the leg flap parts in the 4th embodiment of disposable diaper of the present invention.
Fig. 7 is the local amplification profile (corresponding diagram of Fig. 3 (b)) that schematically illustrates the leg flap parts in the 5th embodiment of disposable diaper of the present invention.
Fig. 8 is the local amplification profile (corresponding diagram of Fig. 3 (b)) that schematically illustrates the leg flap parts in the 6th embodiment of disposable diaper of the present invention.
Fig. 9 is the local amplification profile (corresponding diagram of Fig. 3 (b)) that schematically illustrates the leg flap parts in other embodiment of disposable diaper of the present invention.
Figure 10 (a) is the constructed profile (corresponding diagram of Fig. 3 (b)) of the 7th embodiment of expression disposable diaper of the present invention.Figure 10 (b) is the constructed profile in the width outside of drosal part.
The specific embodiment
Below, describe with reference to the preferred embodiment (the 1st embodiment) of accompanying drawing disposable diaper of the present invention.
The disposable diaper 1 of the 1st embodiment is the flat type disposable diaper that the child uses, and shown in Fig. 1～Fig. 3 (b), it has face sheet 2, back-sheet 3 and between two sheet materials 2, absorber 4 between 3.The downside of sheet material 3 is provided with the outermost outer layer sheet 8 of non-contact skin one side that forms disposable diaper overleaf.On the 4A of the length direction both sides of absorber 4, alongst both sides 4A is provided with pair of leg alar part 5,5.
Back-sheet 3 has the profile of the hourglass shape consistent with the outer shape of disposable diaper with outer layer sheet 8.The end 8A in the width outside of the end 3A in the width of back-sheet 3 outside and outer layer sheet 8 stretches out outside width from the end 2A in the width outside of face sheet 2 respectively.
In addition, when mentioning " length direction " and " width ", be meant " length direction of disposable diaper " and " width of disposable diaper " respectively.When mentioning " upper surface " and " lower surface ", be meant " skin contact (face of a side) " and " non-skin contact (face of a side) " respectively.
As face sheet 2, back-sheet 3, absorber 4 and outer layer sheet 8, can use normally used in the art material, not special restriction.
As face sheet 2, can use the material of liquid permeability, for example can use various non-woven fabrics and the perforated film of implementing hydrophilicity-imparting treatment.
As back-sheet 3, can use the material of liquid impermeability or water proofing property, for example can use the layered product of thermoplastic resin membrane and this thin film and non-woven fabrics, also can use material with water vapo(u)r transmission.
As absorber 4, can use the material of liquid retainability, for example can use the bulk paper pulp fibres and the fiber laminate layers that obtains, by with the material that non-woven fabrics constituted of paper pulp fiber as raw material.
As outer layer sheet 8; Can use employed non-woven fabrics in absorbent commodities such as disposable diaper in the past; Not special restriction, for example: spun bond nonwoven fabric, spunbond-as to melt and spray-spun bond nonwoven fabric, spunbond-as melt and spray-to melt and spray-spun bond nonwoven fabric, needle point method non-woven fabrics, jet net-spraying method non-woven fabrics, hot blast method non-woven fabrics, hot-rolling method non-woven fabrics etc.
Shank rivel 51 is to form sheet material 8 by the shank rivel to form from clamping broad ways many leg elastic members 52,52,52 arranged side by side up and down.Leg elastic members 52 in this embodiment has the form of wire, with end (free end) the 5A almost parallel in the width of leg flap parts 5 outside disposed 3.Among broad ways many leg elastic members 52,52,52 arranged side by side, the outermost leg elastic members 52A that is configured in width is configured near end 5A or its in the pair of leg alar part 5 width outside separately.Therefore, in the outside that is configured in the outermost leg elastic members 52A of width, do not have or almost do not form the folding of shank rivel 51.
" be configured in the end in the width outside of leg flap parts " and be meant that being configured in apart from the end 5A outside the width of leg flap parts 5 is that 2mm is with interior zone." be configured near the end in the width outside of leg flap parts " and be meant, be configured in apart from the end 5A in the width outside of leg flap parts 5 for above 2mm but at 5mm with interior zone.In this embodiment, the outermost leg elastic members 52A that is configured in width is configured in the 5A place, end in the width outside of leg flap parts 5.
The shank rivel form sheet material by from said outer layer sheet 8, particularly, form from the zone that the end 4A in the width outside of the absorber 4 of outer layer sheet 8 stretches out to the width outside.
Shank rivel formation sheet material 8 is turned back by upper surface one lateral width direction inboard in the width outside and forms 2 layer regions 82, and clamping has leg elastic members 52 in 2 layer regions 81.The width of 2 layer regions 82 for example is 15～50mm.In addition, 1 layer region that the shank rivel is formed in the sheet material 8 is called " 1 layer region 81 ".
In shank rivel 51, back-sheet 3 forms between the 82A of lower floor and leg elastic members 52 of 2 layer regions 82 in the sheet material 8 between the shank rivel.The end 3A in the width outside of back-sheet 3 is positioned at than is configured in the outermost leg elastic members 52A of width more by the position in the width outside, is preferably placed at the position of more depending on the width outside 1～5mm.Like this, through making back-sheet 3 in shank rivel 51, thereby the anti-leakage of leg flap parts 5 is improved.
Form the inside of 2 layer regions 82 of sheet material 8 at the shank rivel; The shank rivel forms sheet material 8 and does not engage in fact with back-sheet 3, but engages through known engagement means such as bonding agents between leg elastic members 52 and shank rivel formation sheet material 8 and the back-sheet 3.
On the upper surface of shank rivel 51, engage and cover sheets 62 is arranged to cover this upper surface.Shank rivel 51 engages through upper bond portion 71 with cover sheets 62.
The outermost leg elastic members 52A that the end 71A in the width outside of upper bond portion 71 is positioned at than is configured in width more leans on the inboard position of width.The end 71A in the width of upper bond portion 71 outside and width interval W1 (with reference to Fig. 3 (b)) between the outermost leg elastic members 52A that is configured in width are preferably 1～20mm, more preferably 1～10mm.
In the shank rivel 51 and cover sheets 62 that engage through upper bond portion 71, the end 62A in the end 51A in the width outside of shank rivel 51 and the width outside of cover sheets 62 is roughly concordant." roughly concordant " is meant, the offset of the width between the end 62A in the end 51A in the width outside of shank rivel 51 and the width outside of cover sheets 62 is in 10mm.
On the upper surface of face sheet 2, be provided with a stereo rivel 6,6 along the length direction both sides 4A of absorber 4.Cover sheets 62 by form from this solid rivel the sheet material of usefulness, particularly, form the zone that the end 4A in the width outside of the absorber 4 the sheet material of usefulness stretches out to the width outside from three-dimensional rivel and form.
In this embodiment; Three-dimensional rivel 6 forms in the following manner: disposed the elastomeric element 61 of the three-dimensional rivel formation usefulness of 2 wire with the free end almost parallel ground of three-dimensional rivel 6; And this elastomeric element 61 is clamped near the inboard end of the width of cover sheets 62 or its, thereby forms three-dimensional rivel 6.
In addition, each three-dimensional rivel 6 is lied down on face sheet 2 under tense situation, but in Fig. 3 (a), for simplicity, uses the state that erects with respect to face sheet 2 to represent.
Three-dimensional rivel 6 is positioned at than cardinal extremity junction surface 73 and more leans on the width area inside of diaper to be bonded on the face sheet 2 in drosal part B and the C of veutro portion.
In addition, use Fig. 3 (a) and figure (b) that the structure on the right side of disposable diaper 1 is illustrated, and the left side of disposable diaper 1 also have same structure.
As depicted in figs. 1 and 2, in a stereo rivel 6,6, an end of its length direction is engaged in respectively on the drosal part B, and another end of its length direction is engaged in respectively on the C of veutro portion.
In addition, be respectively arranged with flaky waist elastomeric element (not shown) on the waist D among drosal part B and the C of veutro portion, form the waist rivel through this waist elastic members.
Both ends outside the width of drosal part B are formed with the flank section 91,91 of stretching out to the outside of width respectively.Restraint zone 92 stretches out outside width and is installed on each flank section 91.The hook part 93 of mechanical fastener (mechanical fastener) is installed on the restraint zone 92.As hook part 93, can use known product in this technical field, not special restriction.
Also be formed with the flank section 91,91 of stretching out respectively to the outside of width in the both sides of the C of veutro portion.The outer surface of the back-sheet 3 among the C of veutro portion (non-skin contact one side) be provided with can be freely the fixing adhesion zone of the hook part 93 of restraint zone 92 (landing tape) (not shown).
As shown in Figure 1, disposable diaper 1 is in naturalness following time, and the contractility through a shank rivel in the pair of leg alar part 5,5 51,51 and a stereo rivel 6,6 bends towards skin contact one side." naturalness " is meant that the external force beyond the gravity does not act on the state of disposable diaper in fact.
In addition, disposable diaper 1 is in tense situation following time, as a whole, has the shape of the hourglass shape that the length direction central part tightens up." tense situation " is meant the state of contraction that produces the diaper of contraction owing to the contraction of being fixed in each elastomeric element in the diaper by elongation of having removed; In other words, be state when instigating each rivel (elastomeric element) on the length direction of diaper and width, to be elongated to the full-size value of diaper simultaneously.
The width of leg flap parts 5 is preferably in any position of length direction all identical under the tense situation of diaper, particularly, is preferably 10～70mm, is preferably 20～50mm especially.The length of the A of crotch portion is preferably 50～350mm under the tense situation of diaper, more preferably 100～250mm.
According to the disposable diaper 1 of the 1st embodiment that constitutes as stated, owing to be provided with cover sheets 62 in skin contact one side of leg flap parts 5, so shank rivel 51 is difficult for directly contacting with the skin of wearer.In addition, between the shank rivel 51 and cover sheets 62 in leg flap parts 5, the end 5A in the width outside and near do not have upper bond portion 71, but formed air layer, so be softish near the end 5A in the width of leg flap parts 5 outside.
Moreover; In shank rivel 51; It is little that the outermost leg elastic members 52A that is configured in width receives the inflexible influence of upper bond portion 71; Therefore with because upper bond portion 71 and overslaugh is compared to the inboard leg elastic members 52 of the width of tracing ability, the response of stretching is good, tracing ability is good.Because above-mentioned synergy, leg flap parts 5 can softly contact the skin of wearer, and skin feel is good, and the skin of can fitting, and anti-leakage is also high.
In addition, leg elastic members 52 is clamped in the shank rivel and forms in 2 layer regions 82 that turn back in the sheet material 8, so leg elastic members 52 can not come off from the end 51A outside the width of shank rivel 51.In addition, because the end 51A that there is no need outside the width of shank rivel 51 is provided with the junction surface, so the end 51A in the width of shank rivel 51 outside is soft and soft.
Below, describe with reference to accompanying drawing other embodiment disposable diaper of the present invention.For other embodiment, be that the center describes with the point different with the 1st embodiment.Point as for not having to specify can suitably be suitable for the explanation of carrying out with regard to the 1st embodiment.Identical parts are with identical symbolic representation.
The disposable diaper 1 of the 2nd embodiment is as shown in Figure 4; Compare with the 1st embodiment; Be not configured in the end 5A (the end 51A in the width outside of shank rivel 51) in the width outside of leg flap parts 5 at the leg elastic members 52A of the outermost of width configuration, but be configured in end 5A neighbouring (apart from end 5A for surpassing 2mm but at 5mm with interior zone).Other structure has the structure identical with the disposable diaper of the 1st embodiment 1.
According to the disposable diaper 1 of the 2nd embodiment that constitutes as stated, can play the effect same with the disposable diaper of the 1st embodiment 1.And then; In shank rivel 51; At the end 51A in its width outside be configured between the outermost leg elastic members 52A of width and can form air layer; Therefore the end 51A in the width of shank rivel 51 outside does not become one, and body fluid is not easy to ooze out quickly in the 51A of end, and anti-leakage is high.
In addition, the part that contacts the skin of wearer the most easily is that the end 5A in the width outside is not easy hardening, end 5A mildly with contact skin because unplessantness displeasures such as the thick and stiff pain of bringing of end 5A are able to elimination with sense of discomfort.
Moreover because the contraction of the width area inside of shank rivel 51, the zone in the width outside of shank rivel 51 forms bigger shirred (shirring), can mildly encase the skin of wearer.
The disposable diaper 1 of the 3rd embodiment shown in Fig. 5 (a) and Fig. 5 (b), in the upper surface of the lower surface of back-sheet 3 and outer layer sheet 8 with the roughly whole zone passage lower bond portion 72 of the opposed zone of the lower surface of back-sheet 3 (remove in the outer layer sheet 8 the upper strata 82B of 2 layer regions 82 after zone) and be joined together.In addition, in the A of crotch portion, the end 72A in the width of lower bond portion 72 outside be positioned at the inboard width outside with shank rivel 51 of width end 51A distance 1～20mm, be preferably on the position of 1～10mm." roughly whole zone " is meant the meaning that runs through whole zone as a whole; For example; Even the discrete coating as the coating of helical form and strip comes coating adhesive if spread all over the integral body of dispensing area, then meet " running through roughly whole zone ".Other structure has the structure identical with the disposable diaper of the 1st embodiment 1.
According to the disposable diaper 1 of aforesaid the 3rd embodiment, can play the effect same with the disposable diaper of the 1st embodiment 1.And then back-sheet 3 and outer layer sheet (shank rivel form sheet material) 8 become one through lower bond portion 72, on the other hand, since the rigidity of lower bond portion 72, the easy hardening of non-skin contact one side of disposable diaper.But; At least in shank rivel 51; Air layer can be formed between the end 72A in the width outside of the end 51A in its width outside and lower bond portion 72, therefore the advantages of good skin sense of touch can be guaranteed for the end 51A outside the width of shank rivel 51.
In addition, it is little that the outermost leg elastic members 52A that is configured in width receives the inflexible influence of lower bond portion 72, therefore compares with other leg elastic members 52, and flexible response is good, and tracing ability is good.
The disposable diaper 1 of the 4th embodiment is as shown in Figure 6, and the end 3A in the width of back-sheet 3 outside and the end 51A in the width outside of shank rivel 51 leave, and roughly concordant with the end 72A outside the width of lower bond portion 72.Other structure has the structure identical with the disposable diaper of the 3rd embodiment shown in Fig. 5 (a) 1.
According to the disposable diaper 1 of the 4th embodiment that constitutes as stated, can play the effect identical with the disposable diaper of the 3rd embodiment 1.And then; The shank rivel forms the regulation zone (forming the zone of the upper strata 82B of 2 layer regions 82) of sheet material 8 and goes back to upper surface one side; When forming shank rivel 51; The end 3A in the width outside of back-sheet 3 can not get on by a roll set, the situation of the end 51A hardening in the width outside of the shank rivel 51 that can not take place to cause therefrom.
The disposable diaper 1 of the 5th embodiment is as shown in Figure 7; Same with the 2nd embodiment shown in Figure 4, be configured in neighbouring (is with interior zone above 2mm but at 5mm apart from end 5A) that the outermost leg elastic members 52A of width is configured in the end 5 (the end 51A in the width outside of shank rivel 51) in the width outside of leg flap parts 5.Other structure has the structure identical with the disposable diaper of the 3rd embodiment shown in Fig. 5 (a) 1.
According to the disposable diaper 1 of the 5th embodiment that constitutes as stated, can play the effect identical with the disposable diaper of the 3rd embodiment 1.And then same with the 2nd embodiment, in shank rivel 51, the end 51A in its width outside and be configured between the outermost leg elastic members 52A of width and can form air layer can play the effect same with the 2nd embodiment thus.
The disposable diaper 1 of the 6th embodiment is as shown in Figure 8, and is same with the 4th embodiment shown in Figure 6, and the end 51A in the end 3A in the width outside of back-sheet 3 and the width outside of shank rivel 51 leaves.Other structure has the structure identical with the disposable diaper of the 5th embodiment shown in Figure 71.
According to the disposable diaper 1 of the 6th embodiment that constitutes as stated, can play the effect identical with the disposable diaper of the 5th embodiment 1.And then; Same with the 4th embodiment; The end 51A in the end 3A in the width outside of back-sheet 3 and the width outside of shank rivel 51 leaves; Therefore, the end 3A in the width of back-sheet 3 outside can not get on by a roll set, can play the effect identical with the 4th embodiment thus.
The disposable diaper 1 of the 7th embodiment is compared with the 1st embodiment shown in Figure 10 (a), and upper bond portion 71 is made up of the outer side engagement portion 71C of side engagement portion 71B in zonal and pearl (successive in the longitudinal direction wire).The width outside of outer side engagement portion 71C and interior side engagement portion 71B is left with predetermined distance.The width of interior side engagement portion 71B is preferably 10～30mm, and the width of outer side engagement portion 71C is preferably 0.5～3mm.That is, the upper bond portion 71 in the 7th embodiment interior side engagement portion 71B and outside have zonal disengaged zone between the side engagement portion 71C, put with regard to this, on in-plane, have discrete coating shape as a whole.In addition, in Figure 10 (a) and Figure 10 (b), schematically illustrated the state that cover sheets 62, upper bond portion 71 and shank rivel 51 leave respectively on thickness direction.
During side engagement portion 71B, it can have successive coating shape on in-plane, also can have discrete coating shape on in-plane in only being conceived to.The coating shape of interior side engagement portion 71B can suitably adopt the coating shape (a for example whole coating, point-like, helical form) of above-mentioned upper bond portion 71.
In addition; Shown in Figure 10 (b); In the width of the drosal part B outside, the width area inside in the formation material of flank section 91 is inboard from the width outside towards width, cover sheets 62 and outside between the side engagement portion 71C, pass between interior side engagement portion 71B and the shank rivel 51 and be adapted to the S shape.
Other structure has the structure identical with the disposable diaper of the 1st embodiment 1.
According to the disposable diaper 1 of the 7th embodiment that constitutes as stated, can play the effect identical with the disposable diaper of the 1st embodiment 1.In addition; Upper bond portion 71 is made up of the outer side engagement portion 71C of side engagement portion 71B in zonal and pearl; Therefore inboard at width; Can engage with firm engaging force through interior side engagement portion 71B,, can mildly engage with less bonding agent through outer side engagement portion 71C simultaneously in the outside of width.
Disposable diaper of the present invention is not limited to each above-mentioned embodiment, only otherwise exceed aim of the present invention, just can suitably change.
For example, the structure in each also can appropriate combination above-mentioned embodiment.
The shank rivel does not limit its structure so long as form sheet material by the shank rivel and form from clamping broad ways many leg elastic members arranged side by side up and down and get final product.
For example, also can be the shank rivel be formed sheet material and turn back from lower surface one lateral width direction inboard and form 2 layer regions, leg elastic members is clamped in 2 layer regions that form as stated, thereby forms the shank rivel in the width outside.
In addition; The shank rivel forms sheet material 8 also can be as shown in Figure 9; 2 sheet materials are engaged through the end 8A of engaged at end portion 74 in their the width outside form 2 layer regions 82, clamping leg elastic members 52 in 2 layer regions 82 that form like this and constitute shank rivel 51.
The shank rivel forms sheet material and also can can't help outer layer sheet and form, and for example can be formed by back-sheet.
Cover sheets also can be can't help the sheet material that three-dimensional rivel forms usefulness and formed, and for example can be formed by face sheet, in addition, can be formed by other sheet materials in addition such as sheet material or face sheet that three-dimensional rivel forms usefulness.
The elastomeric element of leg elastic members, three-dimensional rivel formation usefulness, the bar number of waist elastic members, shape etc. can suitably change.
The invention is not restricted to the disposable diaper that the child uses, also go for the disposable diaper of big human.In addition, be not limited to the disposable diaper of deploying type, also go for the disposable diaper of Briefs type.
According to disposable diaper of the present invention, for disposable diaper, can further improve the skin feel of leg flap parts with the leg flap parts that constitutes by the upper surface of cover sheets covering shank rivel.
Claims (8)
1. disposable diaper; It has face sheet, back-sheet and the absorber between two sheet materials; Both sides along the length direction of this absorber are provided with the pair of leg alar part; Wherein, Said leg flap parts is made up of shank rivel and cover sheets in crotch portion at least, and said cover sheets is bonded on the upper surface of this shank rivel and covers this upper surface through upper bond portion, and the end in the width outside of said shank rivel is roughly concordant with the end outside the width of said cover sheets; Said shank rivel forms sheet material by the shank rivel and forms from clamping broad ways many leg elastic members arranged side by side up and down; The outermost said leg elastic members that is configured in width is configured near end or its in a pair of said leg flap parts width outside separately; The end in the width outside of said upper bond portion is positioned at than is configured in the outermost said leg elastic members of width and more leans on the inboard position of width.
2. disposable diaper as claimed in claim 1, wherein, said shank rivel formation sheet material turns back from upper surface one lateral width direction inboard in the width outside and forms 2 layer regions, and said leg elastic members is clamped in this 2 layer region.
3. according to claim 1 or claim 2 disposable diaper, wherein, said shank rivel forms sheet material and is formed by the outermost outer layer sheet of non-skin contact one side that forms disposable diaper, and said outer layer sheet is arranged on the downside of said back-sheet.
4. disposable diaper as claimed in claim 2; Wherein, Between the lower floor and said leg elastic members of said 2 layer regions of said back-sheet in said shank rivel, the end in the width of the said back-sheet outside is positioned at than is configured in the outermost said leg elastic members of width and more leans on the position in the width outside.
5. according to claim 1 or claim 2 disposable diaper wherein, on the upper surface of said face sheet, is provided with three-dimensional rivel along the length direction both sides of said absorber; Said cover sheets is formed with sheet material by said three-dimensional rivel and forms.
6. according to claim 1 or claim 2 disposable diaper, wherein, the end in the width outside of said upper bond portion and the width that is configured between the outermost said leg elastic members of width are spaced apart 1～20mm.
7. according to claim 1 or claim 2 disposable diaper, wherein, the discontinuous formation on in-plane of said upper bond portion.
8. disposable diaper as claimed in claim 3; Wherein, In the lower surface of said back-sheet and the upper surface of said outer layer sheet with the roughly whole zone passage lower bond portion in the opposed zone of lower surface of said back-sheet and be joined together; In said crotch portion, the end in the width outside of said lower bond portion is positioned on the distance position of 1～20mm, end in the inboard width outside with said shank rivel of width.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005293158A JP4522351B2 (en) | 2005-10-06 | 2005-10-06 | Disposable diapers |
| JP293158/2005 | 2005-10-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1943529A CN1943529A (en) | 2007-04-11 |
| CN1943529B true CN1943529B (en) | 2012-04-18 |
Family
ID=38025432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101515123A Active CN1943529B (en) | 2005-10-06 | 2006-09-12 | Disposable napkin |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4522351B2 (en) |
| CN (1) | CN1943529B (en) |
| TW (1) | TWI384970B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4950718B2 (en) * | 2007-03-23 | 2012-06-13 | 花王株式会社 | Disposable diapers |
| JP5319215B2 (en) * | 2008-09-04 | 2013-10-16 | 大王製紙株式会社 | Tape-type disposable diaper |
| US8795250B2 (en) | 2010-03-30 | 2014-08-05 | First Quality Baby Products, Llc | Absorbent article having leg cuffs |
| JP6495765B2 (en) | 2015-06-30 | 2019-04-03 | ユニ・チャーム株式会社 | Disposable diapers |
| JP6370344B2 (en) * | 2016-07-28 | 2018-08-08 | 花王株式会社 | Disposable diapers |
| PL3544560T3 (en) * | 2016-11-23 | 2023-12-11 | Essity Hygiene And Health Aktiebolag | Absorbent article with folded edges to enclose elastic elements and method for manufacturing an absorbent article with folded edges |
| WO2019043885A1 (en) * | 2017-08-31 | 2019-03-07 | 花王株式会社 | Pull-up absorbent aricle |
| JP2020000703A (en) * | 2018-06-29 | 2020-01-09 | スリーエム イノベイティブ プロパティズ カンパニー | Absorbent article |
| EP3831352A4 (en) * | 2018-07-31 | 2022-04-27 | Daio Paper Corporation | Disposable wearable article |
| US20220280352A1 (en) * | 2019-08-28 | 2022-09-08 | Essity Hygiene And Health Aktiebolag | Absorbent article with backsheet arrangement |
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| JP3947715B2 (en) * | 2003-02-05 | 2007-07-25 | 大王製紙株式会社 | Disposable diapers |
| JP4059814B2 (en) * | 2003-07-31 | 2008-03-12 | 花王株式会社 | Disposable diapers |
-
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- 2005-10-06 JP JP2005293158A patent/JP4522351B2/en not_active Expired - Fee Related
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- 2006-09-12 CN CN2006101515123A patent/CN1943529B/en active Active
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| US6045545A (en) * | 1991-11-22 | 2000-04-04 | Peaudouce | Disposable absorbent article |
| WO1996007382A2 (en) * | 1994-09-08 | 1996-03-14 | The Procter & Gamble Company | Absorbent article having a pocket cuff with an apex |
| CN1166132A (en) * | 1995-10-05 | 1997-11-26 | 花王株式会社 | Disposable diaper |
| CN1282234A (en) * | 1997-10-20 | 2001-01-31 | 金伯利-克拉克环球有限公司 | Absorbent article with enhanced elastic design for improved aesthetics and containment |
| WO1999053878A1 (en) * | 1998-04-23 | 1999-10-28 | The Procter & Gamble Company | Disposable absorbent article having reinforced ear panels |
| CN1382031A (en) * | 1999-11-10 | 2002-11-27 | 花王株式会社 | Absorbent article |
| JP2001212176A (en) * | 2000-02-07 | 2001-08-07 | Toyo Eizai Corp | Throwaway diaper |
| JP2003275242A (en) * | 2002-03-26 | 2003-09-30 | Daio Paper Corp | Disposable absorptive article |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1943529A (en) | 2007-04-11 |
| TW200722063A (en) | 2007-06-16 |
| JP2007097920A (en) | 2007-04-19 |
| JP4522351B2 (en) | 2010-08-11 |
| TWI384970B (en) | 2013-02-11 |
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