CN105611906B - Pull-on disposable wearing article - Google Patents
Pull-on disposable wearing article Download PDFInfo
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- CN105611906B CN105611906B CN201480055512.6A CN201480055512A CN105611906B CN 105611906 B CN105611906 B CN 105611906B CN 201480055512 A CN201480055512 A CN 201480055512A CN 105611906 B CN105611906 B CN 105611906B
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- region
- waist region
- junction
- diaper
- woven fabrics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
- A61F13/4963—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs characterized by the seam
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The present invention provides a kind of pull-on disposable wearing article for being easy to take off.It is formed and is overlapped into shape of putting the palms together before one by the side edge part of the piece of the front waist region of the dress article of example and rear waist region of pull-on disposable wearing article, the deposition at junction (30).Each includes at least 2 non-woven fabrics, at least 1 non-woven fabrics therein non-woven fabrics lower than lateral tensile strength using longitudinal tensile strength.The size of the longitudinal direction (A) at junction (30) is no more than 1.5mm, laterally the size of (B) is no more than 3mm, inner end (33) extends longitudinally and contiguously forms column (40) with 1 imaginary straight line (35), and forms the side seam region (25) of diaper.
Description
Technical field
The present invention relates to pull-on disposable wearing articles, are related to front waist region and rear waist region in more detail and exist
The both sides of waist area are in the above-mentioned pull-on disposable wearing article of the state of deposition.
Background technique
There is known using disposable pants-type diaper as the pull-on disposable wearing article of example, wherein front and back waist area
The side edge part in domain is in the state of deposition.In addition, also there is known can make front and back waist area in the dress article for taking off dress
Domain deposition side edge portions from dress article.
For example, being used in disposable pants-type diaper documented by Japanese Patent Publication 7-34814 bulletin (patent document 1)
In at least part of the melt-coating part of the side sealing-in predecessor and rear body in diaper there is the transverse direction towards diaper to be in the shape of the letter V outer
Shape line.Have as described below: when taking off diaper, diaper can be torn in melt-coating part.
Breeches type disposable diaper documented by Japanese Unexamined Patent Publication 10-52458 bulletin (patent document 2) has and is used for
Engage multiple junction pieces of the two sides edge of veutro portion and drosal part.Junction piece in this has horizontal isosceles triangle shape.
Junction piece by the apex angle of isosceles triangle alternately towards the right side and towards the direction changed in a manner of left in transverse direction, and in the vertical of diaper
Arrangement upwards.Have as described below: when taking off diaper, two sides edge can be easily peeled off.
In Japanese Unexamined Patent Publication 2008-136651 bulletin (patent document 3), it is formed in the side on the dress article of pants type
Sealing-in portion is between upper end and lower end with the minimum widith joint portion that sealing-in width is most narrow.In addition to minimum widith engages
The width at the joint portion except portion narrows from the upper end of side seal and lower end towards minimum widith joint portion.Joint portion
Width 3~15mm range, highly in the range of 0.1~3mm.Have as described below: when taking off dress article, can tear
Sealing-in portion.
In the Breeches type disposable diaper documented by Japanese Unexamined Patent Publication 2009-131539 bulletin (patent document 4), veutro
Part and the side of posterior components form side seal by weld and joint.In side seal, a plurality of linear melt-coating part
It arranges along the vertical direction with being mutually vacated with a gap in a manner of forming straight line.Have as described below:, can when taking off diaper
Tear side seal.
Existing technical literature
Patent document
Patent document 1: Japanese Patent Publication 7-34814 bulletin
Patent document 2: Japanese Unexamined Patent Publication 10-52458 bulletin
Patent document 3: Japanese Unexamined Patent Publication 2008-136651 bulletin
Patent document 4: Japanese Unexamined Patent Publication 2009-131539 bulletin
Summary of the invention
Subject to be solved by the invention
It is worn in the pants type for taking off the state that the side edge part to form the non-woven fabrics in front and back waist region is in deposition each other
When article, make its separation to pull front waist region and rear waist region along the longitudinal direction in the side edge part, then in addition to side
Except the case where edge is removed each other, it also occur that forming the feelings that periphery of the fiber of non-woven fabrics in the part of mutual deposition is broken
Condition, these removing and fracture simultaneously or successively there is a situation where etc..In addition, in the operation for being separated from each other side edge part
On the way, also non-woven fabrics can split in the longitudinal direction or horizontally split and make side edge part separate front and back with can not be successfully sometimes.For
The infants and young at body extremely soft low monthly age, the power that diaper is applied to be separated from each other side edge part, side
To being not easy to stablize, it can not also be rapidly separated side edge part sometimes.In addition, when side edge part surprisingly splits, excreta also can be from sometimes
The Inside To Outside of diaper flows out suddenly.Although the prior art is easy to tear off or is easily peeled off the side edge part of mutual deposition, but very
Hard to say is the situation for having fully taken into account extremely soft infant of body etc..
The issue of the present invention is to provide a kind of pull-on disposable wearing articles for having carried out following improvement, this is disposable
The piece of the formation front waist region of Pant-type wearable article and the piece for forming rear waist region are in the state of mutual deposition, can
Towards the side for being easy and successfully carrying out dress article from the top of dress article direction downwards or opposite to that direction
The separation of edge, even infant etc. wears the dress article and is also easy to take off.
Means for solving the problems
In order to solve the above problems, object of the invention is following pull-on disposable wearing article, is respectively formed tool
There are the front waist region of longitudinal and transverse direction and the side edge part of the piece of rear waist region to be overlapped into shape of putting the palms together before one each other, along above-mentioned longitudinal direction
Multiple junction point depositions of arrangement are integral, to be formed in along the above-mentioned side seam region longitudinally extended above-mentioned lateral
Two sides.
In pull-on disposable wearing article, feature of the invention is as follows.
The respective sheet above in above-mentioned front waist region and above-mentioned rear waist region is existed by the fiber number of thermoplastic synthetic fiber
The range of 0.1-4dtex, the quality of per unit area are in 7-25g/m2At least 2 non-woven fabrics of range formed, it is above-mentioned extremely
Above-mentioned longitudinal tensile strength of at least 1 non-woven fabrics in few 2 non-woven fabrics is lower than above-mentioned lateral tensile strength, above-mentioned side
The above-mentioned lateral size of portion's seam region is no more than 3mm, the above-mentioned longitudinal direction at the above-mentioned junction in above-mentioned side seam region
Size be no more than 1.5mm, above-mentioned junction be located at above-mentioned lateral innermost inner end with it is linear along above-mentioned longitudinal direction
The imaginary line of 1 extended to shape is contacted and is formed each other by above-mentioned point along the above-mentioned column longitudinally extended, upper in above-mentioned column
The mutual minimum size that separates in longitudinally adjacent above-mentioned junction is stated in the range of 0.4~5mm.
The effect of invention
In pull-on disposable wearing article of the invention, it is respectively formed the side of the piece of front waist region and rear waist region
Edge overlaps each other into shape of putting the palms together before one, and multiple junction points that are small in transverse direction and longitudinal direction size and forming the column extended longitudinally are molten
It applies.Each include at least 2 thermoplastic synthetic fibers fiber number be 0.1-4dtex, quality 7-25g/m2Non-woven fabrics.
At least 1 non-woven fabrics lower than lateral tensile strength using longitudinal tensile strength in 2 non-woven fabrics.In these non-woven fabrics
The side that the junction of upper formation is connected with its inner end with the imaginary line that the longitudinal direction along dress article linearly extends
Formula arrangement, so as to form the column at junction.When taking off dress article, if being held at the part adjacent with the column at junction
Front waist region and rear waist region simultaneously pull forward and backward, then be overlapped at shape of putting the palms together before one non-woven fabrics longitudinal and transverse direction ruler
The peripheral part at very little small junction starts to rupture or mutually remove at the junction, thus front waist region and rear waist region
It is easy and smoothly separates.
Detailed description of the invention
Attached drawing indicates specific embodiment of the invention, not only includes the indispensable structure of invention, also including can
Select and preferred embodiment.
Fig. 1 be an example as pull-on disposable wearing article of the invention and the shorts type diaper that shows it is vertical
Body figure.
Fig. 2 is the local cutting top view of the stretching, extension diaper obtained from the diaper of Fig. 1.
Fig. 3 is the enlarged drawing of the part III of Fig. 2.
Fig. 4 be Fig. 1 IV-IV line to view enlarged drawing.
Fig. 5 is the figure identical with Fig. 2 for indicating an example of embodiment.
Fig. 6 is the enlarged drawing of the part VI of Fig. 5.
Fig. 7 is the figure of an example of the part VII that amplification indicates Fig. 1.
Fig. 8 (a), (b), (c) are the figures of the determination step of required power when indicating separation front and back waist region.
Fig. 9 (a), (b) are the figures of the measurement result of required power when indicating separation front and back waist region.
Specific embodiment
Referring to attached drawing, illustrate the details of pull-on disposable wearing article of the invention, it is specific as described below.
Fig. 1 is an example as pull-on disposable wearing article and the perspective view of shorts type diaper 10 that shows.
Diaper 10 is the diaper that aftermentioned waistline opening 27 can open with being apparent from like this, comprising: the Attacking Midfielder formed by preceding dummy slider 11
Enclose region 21；The rear waist region 22 formed by rear dummy slider 12；And the crotch region 23 formed by crotch dummy slider 13.Preceding dummy slider
11 have side edge part 24 in the two sides of lateral B, and rear dummy slider 12 has side edge part 26 in the two sides of lateral B.In the two sides of lateral B,
Side edge part 24 and side edge part 26 are overlapped into shape of putting the palms together before one, the deposition at multiple junctions 30 (referring to Fig. 2) of the arrangement of A along longitudinal direction, from
And zoning goes out waistline opening 27.The junction 30 of A arrangement forms the side seam region 25 in diaper 10 along longitudinal direction.Crotch is embedding
The front end 14 of piece 13 and rear end 16 (referring to Fig. 2) are joined to the inner surface of preceding dummy slider 11 and rear dummy slider 12, that is, before being joined to
The inner surface of waist area 21 and rear waist region 22, to form crotch from the part that these waist areas 21,22 are hung down
Region 23.Crotch region 23 and the common zoning in front waist region 21 and rear waist region 22 go out a pair of leg circumference opening 28.In Attacking Midfielder
Region 21 and rear waist region 22 are enclosed, multiple folds 31,32 are formed by the contraction of aftermentioned waistline elastic component 44,54.In crotch
Portion region 23 is shunk by aftermentioned calf circumference elastic component 68, forms multiple folds 36 in the periphery of leg-openings 28.In Fig. 1,
With four-headed arrow A, B, C show diaper 10 longitudinally, laterally and front-rear direction.In addition, the pants type wearing article in the present invention
Product mean to be open with waistline and a pair of leg circumference is open, and are lifting after two legs to be passed through to these leg-openings along two legs
Come the article worn.
Fig. 2 is to release the engagement at junction 30 of front waist region 21 and rear waist region 22 and along the diaper of Fig. 1 10
Lateral B and front-rear direction C stretching, extension obtained from stretch diaper 10a local cutting top view, show the interior table of diaper 10
Surface side.The shape of diaper 10 and stretching, extension diaper 10a are about the center line P virtual symmetry for halving the size of lateral B.Herein
Substantially mean that the shape of the two sides of center line P can not also will cause the degree of obstruction when wearing or taking off diaper 10
It is upper different.
In Fig. 2, the inner surface piece 41 opposite by the skin of the wearer (not shown) with diaper 10 of front waist region 21
It is formed with the appearance dough sheet 42 opposite with clothing (not shown) at least this 2 pieces, there are these pieces 41,42 in the two sides of lateral B
Side edge part 24 and as the cutting ora terminalis 43 relative to inner surface piece 41 and the cutting line of appearance dough sheet 42.It is open including waistline
Multiple waistline elastic components 44 of elastic component 44a and secondary resilient members 44b are folded in interior table with the state that transversely B extends
Between dough sheet 41 and appearance dough sheet 42.Waistline elastic component 44 extends to two sides edge 24, more preferably extends into cut end
Edge 43 is joined at least one party of two pieces 41,42 via hot-melt adhesive (not shown).In each two sides edge 24, show
Pass through the column 40 at junction 30 and junction 30 junction that A arrangement is formed along longitudinal direction.Inner surface piece 41 and appearance dough sheet
42 are applied as dotted or linear hot-melt adhesive 81 (referring to Fig. 7) engagement via the side in these pieces 41,42.
Rear waist region 22 is by the inner surface piece 51 opposite with the skin of wearer and the appearance dough sheet 52 opposite with clothing
At least this 2 pieces are formed, and have the side edge part 26 of these pieces 51,52 in the two sides of lateral B and as relative to these pieces 51,52
Cutting line cutting ora terminalis 53.Multiple waistline elasticity structures including waistline opening elastic component 54a and secondary resilient members 54b
Part 54 is folded between inner surface piece 51 and appearance dough sheet 52 with the state that transversely B extends.Waistline elastic component 54 extends to
Two sides edge 26 more preferably extends into cut end edge 53, is joined to two pieces 51,52 via hot-melt adhesive (not shown)
At least one party.In each two sides edge 26, the column 40 at junction 30 and junction are shown.The engagement of each two sides edge 26
The column 40 of point and the column 40 at the junction of each two sides edge 24 overlap on diaper 10, form the side seam area of diaper 10
Domain 25.Inner surface piece 51 is engaged with appearance dough sheet 52 via hot-melt adhesive 82 (referring to Fig. 7).
The inner surface piece 51 of the inner surface piece 41 and appearance dough sheet 42 of front waist region 21 and rear waist region 22 and outer
Surface patch 52 is formed by the non-woven fabrics of thermoplastic synthetic fiber, such as spun-bonded non-woven fabrics or spunbond-melt blown-spunbond non-woven fabrics.
As thermoplastic synthetic fiber, the thermoplastic synthetic fiber using the fiber number with 0.1~4dtex reaches in per unit area
7-25g/m2, more preferably 9~15g/m2Range quality thermoplastic synthetic fiber.As non-woven fabrics use have 7~
25g/m2Quality material this point, make front waist region 21 and rear waist region 22 is soft and sense of touch is good or gas permeability
It is preferred in good aspect.Inner surface piece 41 and appearance dough sheet 42 and/or inner surface piece 51 and appearance dough sheet 52 have following feelings
Condition: the case where being formed and overlapping separated 2 non-woven fabrics；And by by 1 non-woven fabrics in front waist region
The case where 21 apical margin 21a and/or the apical margin 22a of rear waist region 22 are folded and are formed.That is in the present invention, no matter
At which kind of, the side edge part 24 of preceding dummy slider 11 and the side edge part 26 of rear dummy slider 12 are formed by 2 non-woven fabrics.This
Outside, though it is not illustrated, in preceding dummy slider 11 and/or rear dummy slider 12, in other words, in front waist region 21 and/or rear waistline area
Domain 22 can add what use extended between two sides edge 24 and/or between two sides edge 26 as needed
The non-woven fabrics of thermoplastic synthetic fiber.The size of longitudinal A of the additional non-woven fabrics used can be than preceding dummy slider 11, rear dummy slider 12
The size of longitudinal A is small.The two sides edge 24 and two sides edge 26 formed in this way is the position of at least 2 non-woven fabrics overlapping.
In the case where continuous production diaper 10, each component direction such as non-woven fabrics used in diaper becomes the cross of diaper 10
It is supplied to the direction of B.When supplying non-woven fabrics like that, the non-woven fabrics in diaper 10 tends to longitudinal intensity than in transverse direction
Intensity is low.Therefore, in the non-woven fabrics of the non-woven fabrics and formation rear waist region 22 that form front waist region 21, respectively containing at least
Tensile strength on the 1 longitudinal direction A non-woven fabrics lower than the tensile strength on lateral B.In the present invention, in the intensity of non-woven fabrics
There are such difference, it is intended that the thermoplastic synthetic fiber for forming non-woven fabrics tends to extend towards transverse direction B, rather than court
Extend to longitudinal A.If non-woven fabrics in the state in which, when holding Attacking Midfielder respectively at the position in adjacent side seam region 25
It encloses region 21 and rear waist region 22 and wants to make front waist region 21 and rear waist region 22 when separating on front-rear direction C,
Power at this time plays from the periphery at junction 30 and pulls open the thermoplastic synthetic fiber or be broken it in periphery that transversely B extends
Effect, can easily tear off the side in front waist region 21 and rear waist region 22 in the periphery at junction 30.It is engaging
The such movement repeatedly one by one of point 30, so as to be easily separated front waist region 21 with after in entire side seam region 25
Waist area 22.As thermoplastic synthetic fiber tend to towards transverse direction B extend rather than towards longitudinal A extension non-woven fabrics,
Such as using spun-bonded non-woven fabrics, keep mechanical direction when manufacturing the non-woven fabrics consistent with transverse direction B.But such nonwoven
Cloth and transversely B is sometimes prone to using its front waist region 21, rear waist region 22 splits.
In diaper 10, in order to compare the tensile strength of non-woven fabrics, it is compared as follows.It is cut from diaper 10
Lower front waist region 21 and rear waist region 22 are simultaneously impregnated in toluene solution, the hot-melt adhesive dissolution for using it, by nonwoven
Cloth is separated and dried a sheet by a sheet.From each non-woven fabrics, the size of production longitudinal direction A is about 70mm, the size of transverse direction B is about 25mm
The test piece of lengthwise and the size of longitudinal direction A be about 25mm, the horizontally long test piece that the size of transverse direction B is about 70mm.By tension test
Distance between the collet of machine (for example, Shimadzu Seisakusho Ltd. universal testing machine Autograph AG-Xplus or its equivalents)
It is set as 50mm, for each test piece, the 10mm at each both ends for holding longitudinal direction and the speed tensile with 100mm/min are asked
Breaking load (N) out.For each test piece, width (WD) of the breaking load relative to Accurate Determining preparatory before tension test is found out
Ratio (N/WD) is set as tensile strength, its tensile strength is compared between each test piece.
In Fig. 2, the crotch dummy slider 13 for forming crotch region 23 includes the liquid permeability opposite with the skin of diaper wearer
Inner surface piece 61；The appearance dough sheet 62 opposite with clothing；Positioned at the core 63 of the body liquid absorptive of the underface of inner surface piece 61；With
And the leakage prevention sheet 64 of the opaque liquid between appearance dough sheet 62 and core 63.Inner surface piece 61 and appearance dough sheet 62 coat core 63
Surfaces externally and internally, at the part that the periphery of core 63 stretches out overlap, be interconnected via hot-melt adhesive (not shown), thus
Form front-end edge 65, end edge 66 and the both side edges 67 of crotch dummy slider 13.In the inside of both side edges 67, it is formed with disposable diaper
In usual leakproof dike 69.Leakproof dike 69 is sometimes referred to as three-dimensional fold, also sometimes referred to as standing fold.Elastic component 69b
The inner edge portion 69a of leakproof dike 69 is mounted on elongation state.In addition, in the inside of both side edges 67, along each both side edges 67 to
The calf circumference elastic component 68 that front-rear direction C (referring to Fig.1) is extended with the state of elongation is via hot-melt adhesive engagement (not shown)
To at least one party in inner surface piece 61 and appearance dough sheet 62.The front end 14 of crotch dummy slider 13 and the interior table of front waist region 21
For dough sheet 41 via hot-melt adhesive engagement (not shown), rear end 16 and the inner surface piece 51 of rear waist region 22 are viscous via hot melt
Connect agent engagement (not shown).
Fig. 3 is the enlarged drawing of the part III in Fig. 2, and the four-headed arrow A in Fig. 3 indicates the longitudinal direction in Fig. 1.After its formation
The side edge part 26 of the rear dummy slider 12 of waist area 22 shows the junction 30 and junction for being used to form side seam region 25
Column 40, the side seam region 25 engage side edge part 26 and preceding dummy slider 11 side edge part 24.The shape at each junction 30 is
Parallelogram has inner end 33 and outer end 34, which is the size two with the lateral B that will stretch diaper 10a
The center line P (referring to Fig. 2) of equal part opposite inside line, which is the outside left opposite with cutting ora terminalis 53,
Inner end 33 is parallel to each other with outer end 34, and the top margin 38 as top position and the bottom edge 39 as lower portion are in inner end
Extend between 33 and outer end 34.Top margin 38 and bottom edge 39 are prolonged in a manner of being parallel to each other and forming descending towards cutting ora terminalis 53
It stretches.35 phase of imaginary straight line that inner end 33 is extended in a manner of parallel with center line P or intersect with center line P with A along longitudinal direction
It connects.Range of the separation distance L of imaginary straight line 35 and cutting ora terminalis 53 on lateral B in 4~13mm.Junction 30 in
The size M of heart line P parallel longitudinal A is no more than 1.5mm, and the size W of the orthogonal lateral B of center line P identical with size M or compare
Size M is big but is no more than 3mm, and the size of more preferably less than 2.5mm, longitudinal A and transverse direction B are small, especially the size of longitudinal direction A
Small, all length, area is also small.Side seam region 25 comprising such junction 30, the size Q of lateral B be no more than
3mm, more preferably less than 2.5mm.In addition, the size Q in illustrated example is identical as size W.In addition, adjacent on longitudinal A
Minimum between junction 30 separates size N in the range of 0.4~5mm, and the preferably width than waistline elastic component 54 is big,
It is adapted to make size of the waistline elastic component 54 between junction 30.In Fig. 3, the width of elastic component 54
Refer to the size of longitudinal A.
There is no particular limitation for the shape at junction 30, other than including the parallelogram of rectangle, square, also
Can using the shapes such as circle, ellipse, but as shown example in this way, being formed as from imaginary straight line 35 towards cutting 53 shape of ora terminalis
The junction 30 for being formed as acute angle at the top 33a of descending and inner end 33 can will make front waist region 21 and low back
Power when region 22 separates is enclosed to concentrate on narrow range, can be rapidly separated on this point to be excellent.The ruler at junction 30
Very little M, N, W are measured using ruler or vernier caliper or are measured using 10 times of the magnifying glass with size scale.Diaper
It is preferably fixed on the adhesive face of adhesive tape to come in the state that A along longitudinal direction and transverse direction B is tensioned by 10 position to be measured
It is measured.
It is not form junction 30 and aftermentioned addition between side seam region 25 and cutting ora terminalis 53 on lateral B
Junction 70 (referring to Fig. 6) non-seam area 29.Size R of the non-seam area 29 on lateral B preferably connects than side
The size Q for stitching the lateral B in region 25 is big.
In side edge part 24,26, the size R of non-seam area 29 this point bigger than the size Q in side seam region 25 can recognize
To play and inhibiting front waist region 21 and/or low back when front and back waist region 21,22 to be made separates in side seam region 25
Enclose the effect that transversely B splits of region 22.Make to cut ora terminalis 43,53 close to side seam region 25 if size R is small, is thinking
To apply the power of C forward and backward to front and back waist region 21,22 come when making its separation, front waist region 21 and/or rear waistline
Breach of the region 22 in the lateral B that the top margin 38 at junction 30, bottom edge 39 generate transversely B can extend and easily reach cutting
Ora terminalis 43,53.The power being applied to after front and back waist region 21,22 concentrates on the end of inside of the breach on lateral B and makes
Breach is easy to extend towards the inside of diaper 10, as a result, it is believed that front waist region 21 and/or rear waist region 22 are easy along cross
It splits to B.If the size R of non-seam area 29 is big, it is believed that breach will not easily reach cutting ora terminalis 43,53, apply
Power in front and back waist region 21,22 will not concentrate merely on the end of inside of the breach on lateral B.
The side edge part 24 and 26 being superimposed with each other when the stretching, extension diaper 10a of Fig. 2 becomes the diaper 10 of Fig. 1, in A phase along longitudinal direction
Adjacent junction 30 is in disengaged condition each other.These junctions 30 and the nonwoven between junction 30
Cloth is alternately arranged on longitudinal A and forms the side seam region 25 (referring to Fig.1) of diaper 10.In Fig. 3, side edge part
26 further include the waistline elastic component 54 extended with elongation state, in an example of preferred side edge part 26, the waistline bullet
Property component 54 extend to cutting ora terminalis 53.Positioned at the waistline elastic component 54 of side edge part 26, via coated in inner surface piece 51, outer
Hot-melt adhesive (not shown) on any component in surface patch 52, waistline elastic component 54 be joined to inner surface piece 51 and/
Or appearance dough sheet 52 and be in collapsible state.Therefore, in the side edge part 26 of diaper 10 obtained from stretching, extension diaper 10a,
It is shunk by waistline elastic component 54, between cutting ora terminalis 53 and the outer end 34 at junction 30, in other words, in cutting ora terminalis
Between 53 and side seam region 25, fold and bending are generated on interior surface patch 51 and appearance dough sheet 52.The fold and bending
When diaper 10 is in wearing effect, junction 30 can be hidden, in addition, can also prevent the skin contact of wearer to hard
Junction 30.
The column 40 at junction 30 shown in the side edge part 24 of the preceding dummy slider 11 in Fig. 2 and junction, stretching, extension diaper 10a at
When for diaper 10, the column 40 at junction 30 shown in the side edge part 26 with rear dummy slider 12 and junction are integrally formed and form side
Seam region 25.Therefore, though it is not illustrated, the junction 30 of preceding dummy slider 11 similarly has and inner end 33 and outer end
34 consistent inner ends and outer end, the inner end connect with imaginary straight line 35, and have with size L, W of rear dummy slider 12,
M, the identical size of N.Incidentally, straight line 35 is the vacation that no matter can be expected in side edge part 24 or in side edge part 26
Think line.Also, side edge part 24 also includes the waistline elastic component 44 in elongation state, in an example of preferred side edge part 24
In son, which extends to cutting ora terminalis 43.
In addition, stretching cutting ora terminalis 43 shown in diaper 10a and cutting ora terminalis 53 sometimes as described later in diaper 10
Deposition.Non- seam in such diaper 10, between the integral cutting ora terminalis 43,53 of deposition and side seam region 25
In region 29, the inner surface piece 41 and appearance dough sheet 42 of preceding dummy slider 11 be integrally formed transversely B shrink, meanwhile, in rear dummy slider
In 12 non-seam area 29 inner surface piece 51 and appearance dough sheet 52 be also integrally formed transversely B shrink, to be connect in side
The outside for stitching region 25 forms the swells 45 for the sleeve-like that A extends along longitudinal direction (referring to figure by side edge part 24 and side edge part 26
4).The swells 45 can make soft-touch or the hiding junction 30 of the side edge part 24,26 in diaper 10 make diaper 10
Appearance rich in feeling of high class.In order to make non-seam area 29 form the swells 45 of sleeve-like, preferably make side seam region 25
With cutting ora terminalis 43,53 at a distance of 4~10mm.
Fig. 4 is the IV-IV line direction view in Fig. 1, illustrated to form sleeve-like by side edge part 24 and side edge part 26
Swells 45 in the case where diaper 10.Side edge part 24 and the deposition at junction 30 of side edge part 26 are integral, have engagement
The column 40 of point and side seam region 25.Ora terminalis 43 and cut end are cut in outside on the lateral B in side seam region 25
53 deposition of edge forms and the closing line 46 that A extends along longitudinal direction side by side of side seam region 25.Side seam region 25 with
Waistline elastic component 44 and 54 is shunk between closing line 46, so that side edge part 24 and 26 bends to mutual protrusion round about,
The swells 45 of sleeve-like is formd in the side of diaper 10.Diaper 10 in wearing effect, from lateral or is oblique
When the diaper 10, side seam region 25 is hidden by the swells 45 of sleeve-like.Even if the diaper 10 from front or behind
When, side seam region 25 can also be hidden sometimes by the swells 45 of sleeve-like.When applying pressing force to swells 45, heave
Portion 45 is resiliently deformed, and when discharging from pressing force, swells 45 restores the shape in figure.Such swells 45 can make
The soft-touch in side seam region 25.In addition, in this way will be in the case where the cutting deposition of ora terminalis 43 and 53 without example as shown
Side edge part 24 and side edge part 26 respectively can be bent or generate fold, and therefore, shape is easy to be misaligned, and becomes damage diaper sometimes
One reason of 10 appearance.
For the junction 30 formed in diaper 10, it is able to use means usual in the art.For example, making compound
Web (ウ エ Block) moves along mechanical direction and by usual ultrasonic welding machine, which is connect by having not yet been formed
On lateral B continuous web and the rear dummy slider 12 at junction 30 equally has not yet been formed on lateral B in the preceding dummy slider 11 of chalaza 30
Continuous web is formed by stacking.In such composite web, mechanical direction when making to manufacture the non-woven fabrics that it uses with it is compound
The mechanical direction of web is consistent.Therefore, formed in the non-woven fabrics of composite web, the differently- oriented directivity of the fiber of the non-woven fabrics with it is compound
The mechanical direction of web is consistent.
As ultrasonic welding machine, the supersonic welding with the soldering tip roller and anvil block roller that rotate along mechanical direction is used
It picks.The protrusion for playing the effect of soldering tip is preset on circumferential surface of the soldering tip with roller, so as to be formed on composite web
The junction of required shape.It is formed with the composite web at junction, the size on mechanical direction becomes the lateral B's of diaper 10
The position of size is cut off.The cutter used when cutting is then previously heated to suitable temperature if necessary, so as to cut off
By 53 deposition of cutting ora terminalis of the cutting ora terminalis 43 and rear waist region 22 of front waist region 21 when composite web, it is capable of forming sleeve
The swells 45 of mouth shape.But the present invention can not also be implemented the cutting deposition of ora terminalis 43 and 53.
Fig. 1 illustrated diaper 10 can be in the upper end of side edge part 24,26, before holding on the other hand when being taken off
Waist area 21 holds rear waist region 22, on the other hand to pull front waist region 21 forwards, rearward pull rear waist region
22 mode exerts a force, separate front and back waist region 21,22.In addition, also can be in the lower end of side edge part 24,26, on the other hand
Front waist region 21 is held, holds rear waist region 22, on the other hand to pull front waist region 21 forwards, rearward pull low back
The mode for enclosing region 22 exerts a force.If in this way separating at junction 30 front waist region 21 and rear waist region 22, de-
When lower diaper 10, needs not be along two legs and pull down diaper 10.When pulling front waist region 21 and rear waist region 22, pulling force is made
The upper end or lower end of column 40 for junction and concentrate on compared with small area junction 30 periphery.
It therefore, can when front waist region 21 and rear waist region 22 are in the state that can be removed at junction 30
Front waist region 21 and the removing of rear waist region 22 are made to it herein, and C is separated along the longitudinal direction.In side seam region 25, connect
The area of chalaza 30 is small, and the inner end 33 at junction 30 is arranged along the imaginary straight line 35 in Fig. 2, therefore, preceding waistline area
The separation of domain 21 and rear waist region 22 is also from waistline opening 27 towards leg-openings 28 or from leg-openings 28 towards waistline
It is open and 27 successfully carries out substantially rectilinearly.Junction 30 such as Fig. 3 it is illustrated with acute angle top 33a
In the case of, the power of operator when separating front waist region 21 and rear waist region 22 concentrate on top 33a and its near
Such extremely narrow position, therefore, the separation of front waist region 21 and rear waist region 22 become to be particularly easy to.
In addition, being in front waist region 21 and rear waist region 22 at junction 30 can not remove or not allow easily peelable
In the case where state, by the power of operator, the periphery at junction 30 makes to form front waist region 21 and/or rear waist region
The thermoplastic synthetic fiber extended across with junction 30 fracture (not shown) in the fiber of 22 non-woven fabrics, so as to
Separate front waist region 21 with rear waist region 22.Junction 30 no matter on longitudinal A or on lateral B size is all small,
All length, and linearly arrange and form column 40, therefore, in this case, front waist region 21 and rear waist region
22 separation is also arranged side by side with imaginary straight line 35, successfully carries out substantially rectilinearly.If front waist region 21 and/or rear waistline
Quality used in region 22 by the per unit area for the fibroplastic non-woven fabrics that fiber number is 0.1~4dtex is small, 9~
15g/m2Range, then compared with the quality non-woven fabrics bigger than its, should the periphery at junction 30 be broken fiber it is less, point
From become sometimes more smoothly.
The diaper 10 that front waist region 21 and rear waist region 22 can be smoothly separated in this way is suitable as body softness
The low monthly age infants and young diaper come using.If for the size of diaper, for following size: in Fig. 2 from
The waistline elasticity of the topmost positioned at rear waist region 22 is arrived positioned at the waistline elastic component 44 of the topmost of front waist region 21
The range of size until component 54, parallel with center line P-P in 300~530mm.
Fig. 5,6 are the figure identical with Fig. 2 for indicating an example of embodiment and the amplification of the part VI in Fig. 5
Figure.In fig. 5 it is shown that the stretching, extension diaper 10b that the mode in side seam region 25 is different from stretching, extension diaper 10a.In addition to the party
Formula, additionally it is possible to according to the diaper 10 of the stretching, extension diaper 10b shape for obtaining having Fig. 1 illustrated as stretching, extension diaper 10a.?
It stretches in diaper 10b, side seam region 25 has upper section 40a, middle section 40b and section below 40c, middle section
40b accounts at least 1/4 of side seam region 25 in the overall length on longitudinal A.Upper section 40a and section below 40c be in addition to
It is formed with the part that the column at additional junction 70 are also formed with except Fig. 2,3 illustrated junctions 30, and upper section
40a and section below 40c accounts for 1/10 to 1/2 range of the side seam region 25 in the overall length on longitudinal A respectively, more preferably
For the range for accounting for 1/10 to 1/4.Additional junction 70 preferably have with the same or similar shape in junction 30, be located at laterally
The size of B is no more than the side seam region 25 of 3mm, and the size m of longitudinal A at junction 70 is no more than 2mm, the size w of lateral B
In the range of 1.5~3mm, the mutual minimum size n that separates in adjacent junction 70 is in the range of 2~5mm on longitudinal A.This
Sample, part 40a and section below 40b has the column at junction 30 and chases after above in the side seam region 25 of stretching, extension diaper 10b
The column at the junction 70 added.In addition, though it is not illustrated, be in stretching, extension diaper 10b, can also be in the 40b of middle section
Arow arranges junction 30 and additional junction 70.
Mother wants to strut waistline as far as possible bigly with two hands and open sometimes when diaper 10 to be worn in infant
Mouth 27.At this point, the stronger power that separate front waist region 21 and rear waist region 22 temporarily acts on side seam region
25 upper section 40a.Be formed in Fig. 5,6 upper section 40a addition junction 70, be situation so in order to prevent
Under front waist region 21 and rear waist region 22 separation and use.Wherein, additional junction 70 preferably minimizes
The area at each junction, the number in side seam region 25, with preceding waistline area of the obstruction free when taking off the diaper 10
The separation in domain 21 and rear waist region 22.In addition, in Fig. 5,6 illustrated stretching, extension diaper 10b, also in side edge part 24,26
Form non-seam area 29.Although the size R of the non-seam area 29 in Fig. 6 is smaller than the size Q in side seam region 25,
It can implement the present invention in the size R mode bigger than size Q.
In addition, when wearing diaper 10, the leg of infant can be stuck in the periphery of leg-openings 28 sometimes in diaper 10
Portion will make the isolated power in front waist region 21 and rear waist region 22 act on the section below 40c of side edge part 24,26.In addition,
If the leg of the wearer of diaper 10 does not stop activity, the isolated power in front waist region 21 and rear waist region 22 to be made also sometimes
Act on section below 40c.The junction 70 for stretching the addition of the section below 40c of diaper 10b is such feelings in order to prevent
The separation of front waist region 21 under condition and rear waist region 22 and use.But the junction of the addition of section below 40c
The 70 also the same areas for preferably minimizing each junction, the number in side seam region 25, to prevent from becoming de-
Obstruction when lower diaper 10.If being obtained compared with the diaper 10 obtained according to stretching, extension diaper 10a according to stretching, extension diaper 10b
Diaper 10 in, compared with stretching diaper 10a, the upper section 40a of side edge part 24 and side edge part 26 in side seam region 25
And/or the bonding area in section below 40c increases, the front waist region 21 and rear waist region 22 when taking off diaper 10
Separation correspondingly becomes difficult, but in this case, at least 1/4 middle section in the overall length for accounting for side seam region 25
40b can make front waist region 21 and rear waist region 22 along side also as from the diaper 10 that stretching, extension diaper 10a is obtained
Portion's seam region 25 smoothly separates, and therefore, mother etc. is considered the diaper for being easy to take off.But it is if it is necessary, of the invention
Additional junction 70 can also be arranged in a column in the overall length in side seam region 25.And in the present invention, also can
The reinforcement reinforced to the engagement of side edge part 24 and side edge part 26 is formed with connecing in the outside of the lateral B in side seam region 25
Chalaza, the reinforcement are preferably formed in the outside in side seam region 25 with junction, and are made only in waistline opening 27 just
Extremely narrow range until the 25mm of lower section and the extremely narrow range until the surface 25mm of leg-openings 28.
Fig. 7 is the partial cross sectional views for indicating the diaper 10 of the part VII of Fig. 1, illustrated to adopt in the present invention
One mode of preceding dummy slider 11 and rear dummy slider 12.The inner surface piece 41 and appearance dough sheet 42 of preceding dummy slider 11 in side in addition to connecing
It stitches except the mutual deposition in region 25, is also engaged via hot-melt adhesive 81.Hot-melt adhesive 81 can be applied as being distributed in entire
On inner surface piece 41 or appearance dough sheet 42, in the side edge part 24 of illustrated example, hot-melt adhesive 81 is only than being located at side seam area
The position junction 30b of the lowest part in domain 25 against the top is coated on inner surface piece 41 or appearance dough sheet 42.Therefore, at junction
The lower section of 30b, the inner surface piece 41 and appearance dough sheet 42 of formation side edge part 24 are other than the 30b of junction all in disengaged shape
State.The lower section when saying the lower section of junction 30b includes junction 30b herein.In addition, the interior table of the side edge part 26 of rear dummy slider 12
Dough sheet 51 and appearance dough sheet 52 be also it is the same, two pieces 51,52 are substantially whole via the engagement of hot-melt adhesive 82, in side edge part
It is only engaged in the position more against the top than junction 30b via hot-melt adhesive 82 in 26.The lower section of 30b, inner surface at junction
Piece 51 and appearance dough sheet 52 are other than the 30b of junction all in disengaged condition.
In the preceding dummy slider 11 of engagement and rear dummy slider 12, in order to relative to there are the formation of the position of hot-melt adhesive 81,82 to connect
Chalaza 30 and implement ultrasonic wave processing, then in the processing, hot-melt adhesive 81 and hot-melt adhesive 82 are softened or melted and occur
Deformation is oozed out while expanding the mutual gap of fiber (not shown) of inner surface piece 41,51 and appearance dough sheet 42,52, is had
When can the aperture on these pieces 41,42,51,52.These pieces 41,42,51,52 become easy sometimes as a result, tears, and works as diaper
When the leg of 10 wearer does not stop activity, sometimes around the 30b of junction tear.In addition, to be replaced in mother wants
Diaper 10 and hold front waist region 21 and rear waist region 22 and open front waist region 21 and rear waist region 22 from calf circumference
Mouth 28 is towards when waistline 27 separation of opening, it is necessary to hold diaper 10 from bottom to top, the way of holding something can want more changing babies' napkin each sometimes
Knifeedge change when 10, the action method of the power when starting separates front waist region 21 and rear waist region 22 has as a result,
When can change with each diaper 10, the irregular such impression of the quality for leaving diaper 10 to mother etc..But if urine
Cloth 10 uses illustrated example as hot-melt adhesive 81,82 using position more against the top than junction 30b in side edge part 24,26
Mode, then can eliminate the problem of leaving such impression.It, also can be in preceding dummy slider 11 using figure but in diaper 10
Exemplary mode, in rear dummy slider 12 using there are by the way of hot-melt adhesive 82 below the 30b of junction.In addition, though not having
There is diagram, but can also use mode identical with illustrated example in the upper end of side edge part 24, side edge part 26.Wherein, on this
End uses hot-melt adhesive 81,82 in the position on the lower of junction 30 of the upper end than side seam region 25.
(a), (b), (c) of Fig. 8 is to indicate that measurement makes front waist region using cupping machine 100 (referring to Fig. 8 (c))
21 and rear waist region 22 when the side seam region 25 of diaper 10 separates, power required for the separation the step of figure.
(a) of Fig. 8 shows chosen position when choosing measurement test piece 90 from the diaper 10 of Fig. 1, at the diaper 10
In the degree that tensioning disappears to the fold 31,32 (referring to Fig.1) generated by the contraction of elastic component 44,54 (referring to Fig.1,6)
State.Front and back waist region 21,22 is overlapped by diaper 10, is cut along the guide line 91 parallel with center line P with scissors.Draw
Conducting wire 91 separates at least 30mm with side seam region 25.
(b) of Fig. 8, which is shown, holds test piece with the collet 92 on the top of cupping machine 100 and the collet 93 of lower part respectively
The state of the part of the part and rear waist region 22 of 90 front waist region 21.Collet 92 and collet 93 set separated size F
It is set to 20mm, and the side seam region 25 of test piece 90 is made to be located at the center of the size, collet 92 and collet 93 is made to hold test piece
90 part with apical margin 22a (referring to Fig.1) 15~20mm of distance of the apical margin 21a and rear waist region 22 of front waist region 21
94。
(c) of Fig. 8 is to indicate the collet 93 in fixed lower part and increase the collet 92 on top with the speed of 500mm/min
During the photo of the movement of test piece 90 observed.In test piece 90, with the rising of collet 92, front waist region is carried out
21 separation with rear waist region 22 in side seam region 25.
(a), (b) of Fig. 9 be illustrated Fig. 8 cupping machine 100 in make test piece 90 etc. separate required for power
The figure of record.
(a) of Fig. 9 is the illustrated diaper with side seam region 25 to the embodiment 3 as aftermentioned table 1
10 record.The side seam region 25 includes circular junction 30.Horizontal axis indicates to make front and back waist region in seconds
Pass through the time when part 40c is separated downward from the upper section 40a in side seam region 25, the longitudinal axis is using N as unit table
Show the power detected.The testing result to 4 test pieces 90 obtained in 2 diapers 10 is shown in figure.In the result,
The range for the 15~20mm of length of test piece 90 held by collet 92,93, the peak value of power is 17N or more, and portion in addition to this
Position, peak value 8~13N range, and with separation carry out power variation it is small.It is side by the position that collet 92,93 is held
Upper section 40a in seam region 25, position in addition to this are middle section 40b and section below 40c.With such
The diaper 10 in side seam region 25, if respectively holding the 15mm at the top in front and back waist region 21 and 22 and being tasted using manual operation
Examination separates front and back waist region 21,22, then stronger power is only needed after being just initially separated, later can be with substantially one
The weaker power of sample is successfully separated.
In addition, in the diaper 10 for measurement, as inner surface piece 41 and appearance dough sheet 42, uses and be by core component
Polypropylene, the composite fibre that sheath ingredient is polyethylene and fiber number is 1.3dtex are formed and the quality of per unit area is 15g/
m2Spun-bonded non-woven fabrics.The length of longitudinal A in the side seam region 25 of diaper 10 is 126mm.
(b) of Fig. 9 is the measurement result that should be compared with Fig. 9 (a), as the diaper of measure object, has been used in addition to tool
There is comparison identical with diaper 10 used in (a) of Fig. 9 except the seam region of the mode different from side seam region 25
Diaper.The seam region of comparison diaper is documented in the top of (b) of Fig. 9.In the seam region, it has been formed in the longitudinal and the horizontal directions more
It is a comparison diaper transverse direction on by from Inside To Outside formed descending in a manner of inclined parallelogram junction.
If Observe and measure as a result, if in the peak value by occurring more than 20N during 0~4 second time, power is in 4~15N later
Between acute variation.If attempting to make front and back waist region to be substantially separated using the diaper for measurement of (b) of Fig. 9,
Power required for separating is higher on the whole, and the variation of the size of power is violent.
(embodiment)
Made following disposable pants-type diaper: the overall length along the center line P in Fig. 2 is 470mm, preceding waistline area
Longitudinal size of the side edge part in domain and rear waist region is 130mm, and longitudinal length in side seam region is 126mm.?
For making the preceding dummy slider of front waist region and rear waist region and the inner surface piece and appearance dough sheet of rear dummy slider, use by core
The composite fibre that ingredient is polypropylene, sheath ingredient is polyethylene is formed and fiber number is 1.3dtex, the quality of per unit area is
15g/m2Spun-bonded non-woven fabrics.For non-woven fabrics, mechanical direction when to as manufacture non-woven fabrics and it is crisscross mutually just
The intensity in two directions handed over be measured and the direction that keeps intensity high and shorts type diaper it is laterally uniform.Inner surface piece and outer
Surface patch passes through with 50g/m2Ratio to hot-melt adhesive carry out spiral spray (Japanese: ス パ イ ラ Le ス プ レ ー) and connect
It closes.The a plurality of Lycra (registered trademark) of 620dtex for becoming waistline elastic component is elongated to 2 times, is made longitudinal mutual
Separation distance is installed between inner surface piece and appearance dough sheet for 8mm.In the side edge part of preceding dummy slider and rear dummy slider, in longitudinal direction
Junction is formed in overall length, and the side in side seam region has been made by changing the shape, size, arrangement mode at the junction
The shorts type diaper of the different embodiment of formula and the shorts type diaper of comparative example.7 mothers as participant allow oneself child
The diaper that sub (1 years old youngster) respectively wears 5 embodiments and comparative example, the upper part that side edge part is held when being taken off will be preceding
Waist area and rear waist region separation, provide following evaluation scores to ease (operability) of isolated operation.In addition,
Using the average value of the evaluation score of 7 mothers as the operability of the shorts type diaper of evaluation.The shorts type diaper of embodiment
The average value of evaluation score is 3 points or more, is not to be evaluated as the bad product of operability.
In addition, cutting the examination of the bond strength for measuring side seam region from the diaper of embodiment and comparative example
Piece.Test piece is the upper section or middle part in the side seam region from the diaper that waistline elastic component is in the state shunk
Point (be equivalent to Fig. 5,6 upper section 40a or middle section 40b part) part cut, longitudinal size is 25mm, away from
The lateral size in the side seam region from each region in front waist region and rear waist region is 40mm.It is tried stretching
Distance is set as 50mm between testing the collet of machine (universal testing machine (Autograph) AG-Xplus), before each holding test piece
The 15mm of waist area and rear waist region is stretched with the tensile speed of 100mm/min, so as to find out side seam region
Breaking strength (N/25mm).If the average value of the breaking strength of 3 test pieces is the intensity in side seam region.As for commenting
The shorts type diaper of operability when valence separates front waist region and rear waist region, has used intensity in 18~23N/25mm
Range shorts type diaper.The results are shown in Table 1 for evaluation.In order to make operability evaluation score 3 points of average value with
On, the junction in side seam region is arranged at 1 column or 2 column, is no more than the side seam of 3mm in the size with transverse direction B
In the shorts type diaper in region, the average value of operational evaluation score is 3 points or more.
The present invention being illustrated by taking the disposable pants-type diaper of infant as an example, can be as the short of adult
The dress articles such as pants-type diaper, the shorts of incontinent patients, training pants are implemented.
So far the disclosure of the invention recorded can at least be organized into item below.
A kind of pull-on disposable wearing article is respectively formed front waist region and rear waistline area with longitudinal and transverse direction
The side edge part of the piece in domain is overlapped into shape of putting the palms together before one each other, integral in multiple junction point depositions along above-mentioned longitudinal arrangement, thus
Above-mentioned lateral two sides are formed in along the above-mentioned side seam region longitudinally extended, wherein
The respective sheet above in above-mentioned front waist region and above-mentioned rear waist region is by the fiber number of thermoplastic synthetic fiber 0.1
Range, the quality of per unit area of~4dtex is 7~25g/m2At least 2 non-woven fabrics of range formed, above-mentioned at least 2
The above-mentioned longitudinal tensile strength for opening at least 1 non-woven fabrics in non-woven fabrics is lower than above-mentioned lateral tensile strength,
The above-mentioned lateral size in above-mentioned side seam region is no more than 3mm,
Above-mentioned longitudinal size at the above-mentioned junction in above-mentioned side seam region is no more than 1.5mm, above-mentioned junction
Be located at above-mentioned lateral innermost inner end contact and with the 1 imaginary line linearly extended along above-mentioned longitudinal direction by upper
It states and is a little formed each other along the above-mentioned column longitudinally extended, it is mutual most at above-mentioned longitudinally adjacent above-mentioned junction in above-mentioned column
The small size that separates is in the range of 0.4~5mm.
The present invention arranged as described above can also be including at least embodiment disclosed below.The embodiment is in addition to can be by
It can also be used in combination with one another except one use.
(1) in above-mentioned side seam region, above-mentioned junction forms again 1 column arranged side by side with above-mentioned column.
(2) the above-mentioned lateral size at above-mentioned junction is no more than 3mm.
(3) above-mentioned Pant-type wearable article has the crotch area of connection above-mentioned front waist region and above-mentioned rear waist region
Domain, these front waist regions, rear waist region and above-mentioned crotch region are distinguished in the two sides of above-mentioned Pant-type wearable article jointly
Leg-openings is formed, above-mentioned side seam region is open in above-mentioned waistline to be extended between above-mentioned leg-openings, in above-mentioned side
Outside in the above-mentioned transverse direction of seam region, in 1/10 to 1/2 model with the length for being equivalent to above-mentioned side seam region
The length enclosed and the upper section for the underface for being located at above-mentioned waistline opening and with being equivalent to above-mentioned side seam region
The length of the range of the 1/10 to 1/2 of length and at least one party in the section below of the surface of above-mentioned leg-openings,
It is formed with the junction of the addition except above-mentioned junction.
(4) sheet above has cutting ora terminalis in above-mentioned lateral two sides, and above-mentioned side seam region is from above-mentioned cutting ora terminalis
Be formed as the range of 4~13mm on the inside of towards above-mentioned Pant-type wearable article.
(5) in above-mentioned transverse direction, in the outside in above-mentioned side seam region, formation does not include the non-seam at above-mentioned junction
Region, the above-mentioned lateral size ratio of size, that is, above-mentioned non-seam area between above-mentioned non-seam area and above-mentioned cutting ora terminalis
The above-mentioned lateral size of above-mentioned seam region is big.
(6) above-mentioned front waist region and above-mentioned rear waist region are a plurality of with being extended with the state extended along waistline direction
Elastic component forms the above-mentioned cutting ora terminalis of the sheet above of above-mentioned front waist region and forms the sheet above of above-mentioned rear waist region
Above-mentioned cutting ora terminalis be in the state of deposition, by the contraction of above-mentioned elastic component, in these cutting ora terminalis and above-mentioned side
The swells along the above-mentioned sleeve-like longitudinally extended is formd between seam region.
(7) above-mentioned at least 2 non-woven fabrics in at least one party of above-mentioned front waist region and above-mentioned rear waist region, are locating
It is connect in the part of the top at the above-mentioned junction for the topmost for being located at above-mentioned side seam region and in above-mentioned side is located at
At least one party in the part of the lower section at the above-mentioned junction of the lowest part in region is stitched, is not pressed from both sides between above-mentioned non-woven fabrics
If hot-melt adhesive, in disengaged state.
(8) when separating above-mentioned front waist region and above-mentioned rear waist region towards lower end from the upper end of above-mentioned seam region
Required power is at least 17N in the peak value of the power on the top as the range until above-mentioned upper end to 25mm, is making
Peak value for the power of the lower part of the range than above-mentioned top on the lower and until the above-mentioned lower end until is 8~13N.
Description of symbols
10 pull-on disposable wearing articles (shorts type diaper)
21 front waist regions
22 rear waist regions
23 crotch regions
24 side edge parts
25 side seam regions
26 side edge parts
27 waistlines opening
28 leg-openings
29 non-seam areas
30, the junction 30b
33 inner ends
35 imaginary lines (straight line)
The column at 40 junctions
40a upper section
40c section below
41 (inner surface piece)
42 (appearance dough sheet)
43 cutting ora terminalis
44 elastic components
45 swells
51 (inner surface piece)
52 (appearance dough sheet)
53 cutting ora terminalis
54 elastic components
70 additional junctions
A is longitudinal
B is lateral
M size
W size.
Claims (7)
1. a kind of pull-on disposable wearing article forms the front waist region with longitudinal and transverse direction and rear waist region respectively
The piece of side edge part be overlapped into shape of putting the palms together before one each other, fixed at multiple points along the genesis analysis and form side seam area
Domain, and formed waistline opening and a pair of leg circumference opening, the pull-on disposable wearing article relative to along it is described it is longitudinal in
Heart line is symmetrical, which is characterized in that
The respective described fiber number by thermoplastic synthetic fiber in the front waist region and the rear waist region 0.1~
The range of the 4dtex and quality of per unit area is in 7~25g/m2At least 2 non-woven fabrics of range formed,
Longitudinal tensile strength of at least 1 non-woven fabrics at least 2 non-woven fabrics is stronger than the lateral tension
Spend it is low,
The lateral size in the side seam region is no more than 3mm,
In the side seam region include longitudinal size be no more than 1.5mm multiple points, multiple points with
It contacts and is formed along the column longitudinally extended, the phase on the longitudinal direction along 1 imaginary line that the longitudinal direction linearly extends
The mutual minimum size that separates of the adjacent point in the range of 0.4~5mm,
Described has cutting ora terminalis in the lateral two sides, and is fixed to each other in the cutting ora terminalis,
In the cross direction, between the side seam region and the cutting ora terminalis, it is formed with the side edge part each other not
The non-seam area of engagement,
In the front waist region and the rear waist region, it is folded between 2 non-woven fabrics and extends along waistline direction
A plurality of elastic component,
In the non-seam area, by a plurality of elastic member contracts extended in said transverse direction, it is formed with along described vertical
To the swells of the sleeve-like of extension.
2. pull-on disposable wearing article according to claim 1, which is characterized in that
The lateral size of the point is no more than 3mm.
3. pull-on disposable wearing article according to claim 1 or 2, which is characterized in that
The pull-on disposable wearing article has the crotch region for connecting the front waist region and the rear waist region,
These front waist regions, rear waist region and the crotch region are jointly in the two sides of the pull-on disposable wearing article point
The leg-openings is not formed, and the side seam region is open in the waistline to be extended between the leg-openings, in institute
The outside in the transverse direction in side seam region is stated, the junction of the addition of reinforcement is formed with,
The junction of the addition be formed on equal to the side seam region longitudinal length 1/10 to
The length of 1/2 range and be located at the waistline opening underface upper section and have be equal to the side seam
The length of 1/10 to 1/2 range of longitudinal length in region and be located at the leg-openings surface lower section
Point.
4. pull-on disposable wearing article according to claim 1 or 2, which is characterized in that
The lateral size of the point is bigger than longitudinal size.
5. pull-on disposable wearing article according to claim 1 or 2, which is characterized in that
2 non-woven fabrics of the front waist region and the rear waist region are in positioned at the side seam region
The part of the lower section of the point of lowest part does not have sandwiched bonding agent between 2 non-woven fabrics, in disengaged shape
State.
6. pull-on disposable wearing article according to claim 3, which is characterized in that
The front waist region and the rear waist region have the upper section, the section below and are located on described
Middle section between side part and the section below,
In the side seam region, the number of the non-woven fabrics of the upper section is more, the middle section and it is described under
The number of the non-woven fabrics of square part is fewer than the number of the non-woven fabrics of the upper section.
7. a kind of pull-on disposable wearing article forms the front waist region with longitudinal and transverse direction and rear waist region respectively
The piece of side edge part be overlapped into shape of putting the palms together before one each other, form side seam region in multiple junction points along the genesis analysis,
And waistline opening and a pair of leg circumference opening are formed, the pull-on disposable wearing article is relative to along the longitudinally central line
Symmetrically, which is characterized in that
Positioned at the side seam region the lateral innermost junction each other with it is linear along the longitudinal direction
1 imaginary line that shape extends contacts and forms the profile tool for forming the junction of the column along the column longitudinally extended
Have and contacts with the imaginary line and distinguish along the inside line longitudinally extended and from the top and bottom of the inside line
Extend towards the lateral outside and top position and lower portion that the top that extends is intersected with each other, the top position with
The mode orthogonal with the center line extends or is extended in a manner of forming descending, and the lower portion is in a manner of forming upward slope
Extend,
Described has in the lateral two sides along the cutting ora terminalis longitudinally extended, in the cross direction, in the side
The outside of portion's seam region forms the side edge part asynthetic non-seam area each other, the seam region and the cutting
The lateral size of size, that is, non-seam area lateral size between ora terminalis than the seam region
Greatly,
Described in non-seam area overlapping is engaged with each other in the cutting ora terminalis, on the non-seam area edge
The a plurality of elastic member contracts being laterally extended are formed along the cuff longitudinally extended.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013214234 | 2013-10-11 | ||
| JP2013-214234 | 2013-10-11 | ||
| PCT/JP2014/077267 WO2015053404A1 (en) | 2013-10-11 | 2014-10-10 | Disposable underpants-type wearable article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105611906A CN105611906A (en) | 2016-05-25 |
| CN105611906B true CN105611906B (en) | 2019-09-10 |
Family
ID=52813217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480055512.6A Active CN105611906B (en) | 2013-10-11 | 2014-10-10 | Pull-on disposable wearing article |
Country Status (7)
| Country | Link |
|---|---|
| JP (2) | JP5934864B2 (en) |
| CN (1) | CN105611906B (en) |
| AU (1) | AU2014332820B2 (en) |
| BR (1) | BR112016005766B1 (en) |
| MY (1) | MY173670A (en) |
| SA (1) | SA516370884B1 (en) |
| WO (1) | WO2015053404A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5895019B2 (en) * | 2014-04-28 | 2016-03-30 | ユニ・チャーム株式会社 | Pants-type absorbent article |
| JP6419045B2 (en) * | 2015-09-10 | 2018-11-07 | ユニ・チャーム株式会社 | Disposable wearing items |
| JP6745844B2 (en) | 2018-06-29 | 2020-08-26 | ユニ・チャーム株式会社 | Absorbent article |
| JP6906495B2 (en) * | 2018-12-25 | 2021-07-21 | ユニ・チャーム株式会社 | Pants type absorbent article |
| JP2023044452A (en) | 2021-09-17 | 2023-03-30 | 大王製紙株式会社 | Disposable wearable article |
| CN115320191A (en) * | 2022-08-22 | 2022-11-11 | 浙江华晨非织造布有限公司 | Multilayer composite longitudinal elastic non-woven fabric |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0487921A3 (en) * | 1990-10-31 | 1993-04-21 | Kao Corporation | Disposable diaper |
| CN101534776A (en) * | 2006-11-13 | 2009-09-16 | Sca卫生用品公司 | Absorbent article comprising an elastic laminate |
| US7896858B2 (en) * | 2006-12-04 | 2011-03-01 | The Procter & Gamble Company | Absorbent articles comprising graphics |
| CN103179935A (en) * | 2012-08-07 | 2013-06-26 | 尤妮佳股份有限公司 | Pants-type apparel artical |
| JP2013146419A (en) * | 2012-01-20 | 2013-08-01 | Daio Paper Corp | Underpants-type disposable diaper |
| JP2013146549A (en) * | 2011-12-20 | 2013-08-01 | Kao Corp | Underwear-type worn article |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2898533B2 (en) * | 1994-02-21 | 1999-06-02 | トーヨー衛材株式会社 | Disposable pants |
| JP2000070300A (en) * | 1998-08-27 | 2000-03-07 | Oji Paper Co Ltd | Shorts type throw-away diaper |
| JP5065793B2 (en) * | 2007-07-31 | 2012-11-07 | 大王製紙株式会社 | Pants-type disposable paper diapers |
| JP5385075B2 (en) * | 2009-09-30 | 2014-01-08 | ユニ・チャーム株式会社 | Wearing article |
| JP5075901B2 (en) * | 2009-09-30 | 2012-11-21 | 大王製紙株式会社 | Absorbent articles |
| JP5349244B2 (en) * | 2009-10-13 | 2013-11-20 | 花王株式会社 | Pants-type absorbent article |
| JP5346277B2 (en) * | 2009-12-28 | 2013-11-20 | ユニ・チャーム株式会社 | Pants-type disposable wearing articles |
| JP5695320B2 (en) * | 2010-01-21 | 2015-04-01 | ユニ・チャーム株式会社 | Pants-type disposable wearing articles |
| JP5709450B2 (en) * | 2010-09-30 | 2015-04-30 | ユニ・チャーム株式会社 | Disposable wearing items |
| JP5828505B2 (en) * | 2011-08-23 | 2015-12-09 | 花王株式会社 | Pants-type absorbent article |
| JP5933212B2 (en) * | 2011-09-30 | 2016-06-08 | 大王製紙株式会社 | Disposable paper diapers |
| JP5848957B2 (en) * | 2011-11-11 | 2016-01-27 | 花王株式会社 | Pants-type absorbent article |
| JP5849759B2 (en) * | 2012-02-21 | 2016-02-03 | 王子ホールディングス株式会社 | Pants-type disposable diapers |
-
2014
- 2014-10-10 WO PCT/JP2014/077267 patent/WO2015053404A1/en active Application Filing
- 2014-10-10 AU AU2014332820A patent/AU2014332820B2/en active Active
- 2014-10-10 CN CN201480055512.6A patent/CN105611906B/en active Active
- 2014-10-10 JP JP2014209474A patent/JP5934864B2/en active Active
- 2014-10-10 BR BR112016005766-0A patent/BR112016005766B1/en active IP Right Grant
- 2014-10-10 MY MYPI2016700755A patent/MY173670A/en unknown
-
2016
- 2016-02-04 JP JP2016019543A patent/JP6465824B2/en active Active
- 2016-04-06 SA SA516370884A patent/SA516370884B1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0487921A3 (en) * | 1990-10-31 | 1993-04-21 | Kao Corporation | Disposable diaper |
| CN101534776A (en) * | 2006-11-13 | 2009-09-16 | Sca卫生用品公司 | Absorbent article comprising an elastic laminate |
| US7896858B2 (en) * | 2006-12-04 | 2011-03-01 | The Procter & Gamble Company | Absorbent articles comprising graphics |
| JP2013146549A (en) * | 2011-12-20 | 2013-08-01 | Kao Corp | Underwear-type worn article |
| JP2013146419A (en) * | 2012-01-20 | 2013-08-01 | Daio Paper Corp | Underpants-type disposable diaper |
| CN103179935A (en) * | 2012-08-07 | 2013-06-26 | 尤妮佳股份有限公司 | Pants-type apparel artical |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015053404A1 (en) | 2015-04-16 |
| CN105611906A (en) | 2016-05-25 |
| AU2014332820B2 (en) | 2019-05-23 |
| JP6465824B2 (en) | 2019-02-06 |
| BR112016005766A2 (en) | 2017-08-01 |
| MY173670A (en) | 2020-02-14 |
| JP2015096192A (en) | 2015-05-21 |
| JP2016107117A (en) | 2016-06-20 |
| SA516370884B1 (en) | 2019-01-29 |
| AU2014332820A1 (en) | 2016-03-24 |
| JP5934864B2 (en) | 2016-06-15 |
| BR112016005766B1 (en) | 2022-02-22 |
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