CN105407849B - Disposable diaper - Google Patents
Disposable diaper Download PDFInfo
- Publication number
- CN105407849B CN105407849B CN201480042310.8A CN201480042310A CN105407849B CN 105407849 B CN105407849 B CN 105407849B CN 201480042310 A CN201480042310 A CN 201480042310A CN 105407849 B CN105407849 B CN 105407849B
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- China
- Prior art keywords
- disposable diaper
- width direction
- product
- region
- stretchable sheet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
- A61F13/49012—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region the elastic means being elastic panels
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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
- A61F13/56—Supporting or fastening means
- A61F13/5622—Supporting or fastening means specially adapted for diapers or the like
- A61F13/5633—Supporting or fastening means specially adapted for diapers or the like open type diaper
Abstract
The present invention provides a kind of disposable diaper (10), which includes：A pair of of magic tape (90), the outboard end being configured in the product width direction of rear waist region are bonded to front waist region；And waist stretchable sheet, the product width direction center of disposable diaper is crossed over, and there is retractility in product width direction.Waist stretchable sheet has the posterior lumbar stretchable sheet (85) for the rear end (10R) for being configured at disposable diaper.The rear end (10R) of disposable diaper has product width direction center than curved shape made of being recessed on the inside of lateral product length direction outside product width direction under natural conditions disposable diaper.
Description
Technical field
The present invention relates to a kind of disposable diapers.
Background technology
In the past, there is known a kind of disposable diaper, the disposable diaper have front waist region, rear waist region and under
Crotch region, and include the absorber extended across lower crotch region and to front waist region and rear waist region and for by Attacking Midfielder
Enclose the magic tape of region and rear waist region fixation (for example, referring to patent document 1).
In general, magic tape is from the width direction outboard end of the rear waist region of disposable diaper to width direction, outside is prolonged
It stretches.When dressing the disposable diaper of patent document 1, the lower crotch of disposable diaper is being configured to the in-leg in wearer
In the state of the magic tape of rear waist region is pulled to front waist region and the magic tape is bonded to front waist region.
In addition, being configured with the elasticity that can be stretched in the width direction in the waist opening portion of the disposable diaper of patent document 1
Component.Pass through the flexible waistline for making the waist opening portion of disposable diaper be sealed at wearer of elastic component.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2006-20665 bulletins
Invention content
In general, the abdominal circumference of infant protrudes.In order to suitably cover the infant abdomen convex camber, alternatively it is conceivable to
Wearing auxiliary anchors at magic tape on the convex camber of abdomen.State on the convex camber that magic tape anchors at abdomen
Under, the region that self-thread gluing band extends in the width direction is sealed at the body of wearer, and waist opening portion is because elastic component is in width
Degree shrinks and fits in around the abdomen of wearer on direction.
In the state that magic tape anchors on the convex camber of abdomen, region that self-thread gluing band extends in the width direction
The abdominal circumference size of the bulging of size and wearer matches.But sometimes, the position of disposable diaper is made because of the movement of wearer
Set offset.For example, when the fixed position of the magic tape of disposable diaper is deviated to in-leg side, self-thread gluing band prolongs in the width direction
The region stretched can be deviated from the convex camber of the abdomen of wearer.Therefore, make the region that self-thread gluing band extends in the width direction
Size is more than the waistline of wearer, to which the position of disposable diaper is easier to deviate.
Therefore, the present invention makes in view of such situation, it is intended that providing one kind can suitably cover
The disposable diaper of the convex camber of the abdomen of wearer.
The disposable diaper (disposable diaper 10) of the disclosure will be intended to comprising：Front waist region (preceding waistline area
Domain 20)；Rear waist region (rear waist region 30)；Lower crotch region (lower crotch region 25) is located at the front waist region and institute
It states between rear waist region；Product length direction (product length direction L), from the front waist region towards waistline after described
Region；Product width direction (product width direction W), it is orthogonal with the product length direction；Absorber (absorber 40),
Extend across the lower crotch region, and at least one of the front waist region and the rear waist region；A pair of of thread gluing
Band (magic tape 90), the outboard end being configured in the product width direction of the rear waist region are bonded to the Attacking Midfielder
Enclose region；And waist stretchable sheet, the center of the product width direction of disposable diaper is crossed over, and wide in the product
Spending has retractility on direction, wherein the waist stretchable sheet is with after being configured at the rear end of the disposable diaper
Side waist stretchable sheet (posterior lumbar stretchable sheet 85), the rear end of the disposable diaper is in the disposable diaper
Inside recess with product width direction center than the lateral product length direction outside product width direction under natural conditions
Made of curved shape.
Description of the drawings
Fig. 1 is the expansion plan view under the elongation state of the disposable diaper of present embodiment.
Fig. 2 is the plan view under natural conditions of the part of the disposable diaper of present embodiment.
Fig. 3 is the sectional view along the disposable diaper of F1-F1 lines shown in FIG. 1.
Fig. 4 is the sectional view along the disposable diaper of F2-F2 lines shown in FIG. 1.
Fig. 5 is the figure for indicating the disposable diaper of present embodiment being worn on the state of wearer.
Fig. 6 is the figure for the deformation state for schematically showing posterior lumbar stretchable sheet.
Specific implementation mode
Next, being explained with reference to the embodiment of the disposable diaper 10 of the present invention.In addition, in following attached drawing
Record in, same or similar reference numeral is marked to same or similar part.However, it should be noted that, it is attached
Figure is schematical, and ratio of each size etc. is different from the ratio of each size of reality.
Thus reference should be made to the following description to judge specific size etc..In addition, may also wrap among the attached drawings
The different part of relationship, ratio containing mutual size.
(1) the whole outline structure of disposable diaper
Fig. 1 is the expansion plan view under the elongation state of the disposable diaper 10 of present embodiment.Fig. 2 is present embodiment
Disposable diaper part (rear end side) plan view under natural conditions.Fig. 3 is along F1-F1 lines shown in FIG. 1
Disposable diaper sectional view.Fig. 4 is the sectional view along the disposable diaper of F2-F2 lines shown in FIG. 1.
Elongation state shown in FIG. 1 is that the elastic component 81 of leg pars contractilis 75 and leg side rivel 80 is made to be elongated to composition
The positive dough sheet 50 of disposable diaper, flank 70 etc. do not form the state until the state of fold.On the other hand, nature be
In the case that disposable diaper 10 is enclosed in packaging etc., disposable diaper 10 is taken out from packaging, with the state at 20 DEG C ± 2
DEG C, place 12 hours in the environment of 60% ± 5%RH of relative humidity after state.For disposable diaper under natural conditions
Speech is formed with fold in positive dough sheet 50, the flank 70 etc. for constituting disposable diaper.
Disposable diaper 10 is the disposable diaper of banding pattern.The diaper of banding pattern refers to the product width direction of front waist region
On outboard end and rear waist region product width direction on outboard end in using preceding do not engage and when in use profit
With the diaper of the fixed component engagement such as magic tape.
Disposable diaper 10 has front waist region 20, lower crotch region 25 and rear waist region 30.Front waist region 20
The part being in contact for the frontal cowl (abdominal portion) with wearer.In addition, rear waist region 30 is the low back with wearer
Enclose the part that portion's (back portion) is in contact.Lower crotch region 25 is between front waist region 20 and rear waist region 30.
In addition, in the present embodiment, it is long by product is known as towards the direction of rear waist region 30 from front waist region 20
Direction L is spent, product width direction W will be known as with the direction of product length direction L-orthogonal.
Disposable diaper 10 includes absorber 40, which crosses over lower crotch region 25, and from 25 direction of lower crotch region
At least either in front waist region 20 and rear waist region 30 extends.Absorber 40 includes absorbent core 40a and core covering
40b。
Absorbent core 40a is identical as the absorbent core of previous disposable diaper, can use and crush slurry, high-absorbable
Component, material well known to polymer etc. and suitably constitute.Absorbent core 40a is coated with by the core covering 40b of sheet.
Core covering 40b is the piece for covering absorbent core 40a.A part for at least skin surface side of core covering 40b is by having
The various fabric nonwoven cloths or cotton paper sheets of liquid permeability are formed.Such as grammes per square metre about 10g/m can be used2~30g/m2Hot wind fiber
Non-woven fabrics, spun-bonded non-woven fabrics, SMS (spunbond-melt blown-spunbond) non-woven fabrics or grammes per square metre about 10g/m2~30g/m2Cotton paper sheets.
It is equipped with the low rigidity portion 110 as Low rigidity region at the position positioned at rear waist region of absorber 40, this is low
The weight per unit area of rigidity portion 110 less than absorber other positions weight per unit area or the low rigidity portion 110 not
There are absorbent core 40a.Low rigidity portion 110 is the length self-priming acceptor 40 in product width direction by rear waist region side
The shape that the product width direction center of end is gone gradually to shorten towards front waist region side.More specifically, it overlooks once
Low rigidity portion 110 is wedge shaped when property diaper 10.In addition, boundary between absorbent core 40a and low rigidity portion 110 is by towards product
The circular arc of center protrusion on width direction W is formed.Portion of the ratio low rigidity portion 110 of absorber 40 on the outside of product width direction
It is divided into the trapezoidal shape protruded towards the end by rear waist region side.
It is equipped with the positive dough sheet 50 of liquid permeability in the surface side (skin contact surface side) of absorber 40.In addition, in absorber 40
Back side (non-skin contact surface side) be equipped with opaque liquid back sheet 60a.Overleaf (non-skin connects the back side of piece 60a
Contacting surface side) it is equipped with outer load 60.
Back sheet 60a is configured at the anterior end 10F than disposable diaper on the inside of product length direction and than disposable
Positions of the rear end 10R of diaper on the inside of product length direction.Back sheet 60a is configured at looser than the product of disposable diaper
Spend position of the direction end on the inside of product width direction.Outer load be configured at disposable diaper by non-skin contact surface side
Surface.Outer load is formed by such as non-woven fabrics.
Side edge part on the product width direction W of absorber 40 is respectively equipped with flank 70.Flank 70 crosses over preceding waistline area
Domain 20, lower crotch region 25 and rear waist region 30, and it is configured at the position than absorber 40 on the outside of product width direction.Side
The wing 70 is formed by a non-woven fabrics, or is laminated by two or more multiple non-woven fabrics.
It is formed with a pair of of leg opening part 35 in the flank 70 of disposable diaper 10.Leg opening part 35 is provided at disposably
Side end in the product width direction of diaper and in the state that disposable diaper is dressed in wearer along the leg of wearer
Enclose the part of configuration.Leg opening part 35 is towards the central concave in the product width direction of absorbent main body.
In addition, being respectively equipped with magic tape 90 in a pair of of flank 70.Magic tape 90 is configured at the product width of rear waist region
Outboard end on direction, for being bonded to front waist region.Magic tape 90 is extended to than flank 70 outside product width direction
The position of side.Magic tape 90 extends in rear waist region 30 along product width direction W, by being bonded to front waist region 20
Non- skin contact layer, to which disposable diaper 10 to be held in the body of wearer.
Target portion 95 is configured to, and it is solid respectively for a pair of of magic tape 90 to be configured at the non-skin contact layer in front waist region
It.
In the present embodiment, waistline maintaining part is constituted by front waist region 20, rear waist region 30 and magic tape 90.
The waistline holding part of rear waist region 30 extends in the region for the clamping portion for being equipped with magic tape 90 certainly along product width direction
Range.The waistline holding part of front waist region 20 is in the model extended from the region for being equipped with target portion 95 along product width direction
It encloses.
It is equipped with a pair of of leg pars contractilis 75 in flank 70, which is configured at leans on than leg opening part 35
Position on the inside of product width direction and than absorber 40 on the outside of product width direction, can be flexible along product length direction L.
It, both can be with as long as leg pars contractilis 75 is configured to enable leg opening part 35 flexible along product length direction
It configures, 35 inclined state of leg opening part can also be configured with Local Phase along leg opening part 35.
In addition, being configured with a pair of of auxiliary telescopic portion 77 than position of the leg pars contractilis 75 on the outside of product width direction,
A pair of auxiliary telescopic portion 77 is configured across lower crotch region 25 and 30 ground of rear waist region, and flexible along product length direction.It is logical
It crosses the regions contract equipped with auxiliary telescopic portion 77 for making flank 70 and can make flank 70 that there is convex camber along wearer
Buttocks, so as to cover buttocks using the region.
In addition, leg pars contractilis 75 and auxiliary telescopic portion 77 are using elastic components such as rubber bands substantially along product length
The part that direction is shunk, for the concept other than configuring the part of elastic member in the state of not playing convergent force.
Leg pars contractilis 75 by it is stretching along product length direction, formed equipped with three elastic components in every side.It is auxiliary
Help pars contractilis 77 by it is stretching along product length direction, formed equipped with one elastic component in every side.Present embodiment
Elastic component includes polyurethane elastomeric fiber, natural rubber.
The rear end 75R of leg pars contractilis 75 is configured at than magic tape 90 by front side and leans on product width side than magic tape
Position inwardly.Thus, so that the region than magic tape 90 by front side and on the inside of width direction is received using leg pars contractilis 75
Contracting.
The anterior end 77F of auxiliary telescopic portion 77 is configured at the position that rear side is leaned on than the anterior end 75F of leg pars contractilis 75
It sets.Therefore, the anterior end 75F regions contracts rearward than leg pars contractilis 75 are made using auxiliary telescopic portion 77.Auxiliary is stretched
The rear end 77R in contracting portion 77 is configured at the position that rear side is leaned on than the rear end of leg pars contractilis.Thus, utilize auxiliary telescopic
Portion 77 makes the regions contract than leg pars contractilis 75 rearward.
The lower crotch of leg pars contractilis 75 towards wearer can be utilized to lift the lower crotch region of disposable diaper.Also,
The power for lifting lower crotch region by leg pars contractilis can be transferred to magic tape 90 using auxiliary telescopic portion 77.Therefore, it is inciting somebody to action
In the state that magic tape 90 is fixed, be not only easy to using magic tape 90 make wearer to be held in waistline region and configuration
There is the region of leg pars contractilis 75 to be sealed at wearer, and is also easy to make the region between magic tape 90 and leg pars contractilis 75
It is sealed at wearer.
Further, it is possible to make the regions contract than leg pars contractilis on the outside of product width direction using auxiliary telescopic portion, from
And it can suitably cover buttocks using the part of the rear waist region of flank.Therefore, in particular, rear side leg can be inhibited
Opening portion is tilted when wearing.In addition, leg opening part can be furthered to bodyside using the contraction of leg pars contractilis, from
And the offset of leg opening part can be inhibited.
Leg pars contractilis 75 is configured between flank 70 and outer mounting 60.Alternatively, equipped be configured at absorber 40 with it is outer
In the region of back sheet 60a between mounting 60, leg pars contractilis 75 is configured between back sheet 60a and flank 70.
The elongation of leg pars contractilis 75 is preferably 1.7 times~2.4 times.In the present embodiment, by leg pars contractilis 75
Elongation be set as 1.9 times~2.2 times.In addition, elongation refers to the elongation degree of leg pars contractilis, in the following way
Regulation.
The elongation of leg pars contractilis=(length under the elongation state of leg pars contractilis) ÷ (natures of leg pars contractilis
Length under state)
In addition, the elongation of auxiliary telescopic portion 77 is preferably 1.6 times~2.4 times.In addition, the elongation of auxiliary telescopic portion 77
Refer to the elongation degree of auxiliary telescopic portion, provides in the following way.
The elongation of auxiliary telescopic portion=(length under the elongation state of auxiliary telescopic portion) ÷ (natures of auxiliary telescopic portion
Length under state)
In addition, in the present specification, which for example measures in the following way.
First, in the case where disposable diaper 10 is enclosed packaging etc., disposable diaper 10 is taken out from the package.It connects
It, is cut into the configuring area of the measurement objects such as leg pars contractilis.At this point, also including to connect with measurement objects such as leg pars contractilis
Cut to the outer load closed.The elongation for measuring the sample being cut into, to measure the elongation of measurement object.
By each sample 20 DEG C ± 2 DEG C, relative humidity be 60% ± 5%RH in the environment of place 60 minutes, and along stretching
The length of contracting orientation measurement measurement object.The length is set as the " length under natural conditions of measurement object (leg pars contractilis etc.)
Degree ".
Then, measure length of the desired region under the state (i.e. nature) in telescopic direction and by sample from
Nature extends to not observe the state of the fold generated by elastic component in non-telescoping property on piece by range estimation
Until when length of the desired region in telescopic direction.The length is set as the " elongation of measurement object (leg pars contractilis etc.)
Length under state ".
It is calculated by using these measurement results and using the formula, to measure elongation.
In addition, measuring " length " in this specification using measurement method below.
Use the sample obtained in the following way, that is, in the case where disposable diaper 10 is enclosed packaging etc., from packet
Dress takes out disposable diaper 10, is placed 12 hours in the environment of 20 DEG C ± 2 DEG C, 60% ± 5%RH of relative humidity with the state
Obtained from sample.
Then, by using affine elastic tape measure (the tape portion for measuring Co. Ltd. system of Japan：Using glass fibre as base
Material, using polyvinyl chloride as coating) and by make its along measurement object position in a manner of under the state at measurement object position
Length measure.In addition, for the length of elongation state, measurement is extended to by disposable diaper 10 from nature
The length at measurement object position when until the state that range estimation can not observe the fold generated by elastic component.
Here, carrying out the measurement in the state of respectively for 10 samples, and its average value is set as length.
In addition, the inside (the central side on product width direction W) in a pair of of leg pars contractilis 75 is equipped with along production
A pair of of leg side rivel 80 that product length direction L extends.Leg side rivel 80 is set to interior in the product width direction of flank 70
Side end is arranged in the flexible rivel of the erecting than leg pars contractilis 75 on the inside of product width direction.Leg side rivel
80 are configured at the position on the inside of product width direction than leg pars contractilis 75.Leg side rivel 80 can use known
Structure, specifically, can also be by being formed with 70 mutually independent sheet material of flank.
There is disposable diaper 10 waist stretchable sheet, the waist stretchable sheet to cross in the product width direction of disposable diaper
The heart and in product width direction have retractility.Waist stretchable sheet has the rear side for the rear end for being configured at disposable diaper
The front side waist portion stretchable sheet 86 of waist stretchable sheet 85 and the anterior end for being configured at disposable diaper.In addition, in fig. 1 it is illustrated that
Pass through the product width direction center of disposable diaper and the imaginary line L1 that extends along product length direction.
Under natural conditions products with rear end 10R of the rear end 10R of disposable diaper in disposable diaper
Curved made of recess on the inside of lateral product length direction outside product width direction of the width direction center than rear end 10R
Shape.Rear end positioned at the posterior lumbar stretchable sheet 85 of the rear end of disposable diaper also has product in its natural state
Width direction center is than curved shape made of being recessed on the inside of lateral product length direction outside product width direction.
In addition, under the elongation state (state shown in FIG. 1) for making disposable diaper extend, posterior lumbar stretchable sheet 85
Product width direction center product width directions than anterior end 85F of the anterior end 85F with anterior end 85F on the outside of
Curved shape made of recess on the outside of to product length direction.In addition, the curved shape of posterior lumbar stretchable sheet is not formed in
The whole region of anterior end 85F, and it is formed at the width direction center of the part as anterior end.
Between a pair of of magic tape of the configuration of posterior lumbar stretchable sheet 85 in product width direction.Posterior lumbar stretchable sheet 85
Anterior end 85F a part it is Chong Die with absorber.The rear end 85R of posterior lumbar stretchable sheet 85 and disposable diaper
Rear end is aligned.In product width direction of the length than absorber 40 in the product width direction of posterior lumbar stretchable sheet 85
Length it is long and longer than the length in the width direction of back sheet 60a.Posterior lumbar stretchable sheet is extended to than absorber 40 by production
The position in the outside in product width direction and the position for extending to the outside than back sheet 60a in product width direction.
Under natural conditions products with anterior end 10F of the anterior end 10F of disposable diaper in disposable diaper
Curved made of recess on the inside of lateral product length direction outside product width direction of the width direction center than anterior end 10F
Shape.Positioned at the anterior end of disposable diaper front side waist portion stretchable sheet 86 anterior end 86F disposable diaper nature
Also the lateral production outside of product width direction of the product width direction center than anterior end 86F with anterior end 86F under state
Curved shape made of recess on the inside of product length direction.
In addition, under the elongation state (state shown in FIG. 1) for making disposable diaper extend, front side waist portion stretchable sheet 86
Product width direction center product width directions than rear end 86R of the rear end 86R with rear end 86R on the outside of
Curved shape made of recess on the outside of to product length direction.In addition, the curved shape of front side waist portion stretchable sheet is not formed in
The whole region of rear end 86R, and it is formed at the width direction center as a part of rear end 86R.
The rear end 86R of front side waist portion stretchable sheet 86 is adjacent with absorber 40 in product length direction and and target portion
95 is adjacent.The rear end 86R of front side waist portion stretchable sheet 86 in product length direction be located at than absorber 40 in the outer part and compare
The position of target portion 95 in the outer part.
The anterior end 86F of front side waist portion stretchable sheet 86 is aligned with the anterior end of disposable diaper.Front side waist portion is flexible
Length in the product width direction of piece 86 is longer than the length in the product width direction of absorber 40 and wider than back sheet 60a
The length spent on direction is long.Front side waist portion stretchable sheet 86 extends to the position in the outside in product width direction than absorber 40
And extend to the position in the outside than back sheet 60a in product width direction.
In the present embodiment, as waist stretchable sheet, it is preferable to use when along piece a direction extend time slice with stretch
Width on the 2nd orthogonal direction of length direction narrows the piece of (so-called contracting).
As waist stretchable sheet, can use by elastomer with elasticity and extensibility and not resilient but have
Piece made of the mixture of the non-elastic fiber of extensibility both fibers mixing, it is 20g/m that can especially use grammes per square metre2~
80g/m2, more preferably 40g/m2~75g/m2, further preferably 50g/m2~70g/m2Spun-bonded non-woven fabrics piece, in the spunbond
In non-woven fabric plate, elastomer is the long filament of the polyurethane fiber of the fiber number with 2dtex~6dtex, and non-elastic fiber is tool
There is at least one in the polyolefine fiber of the fiber number of 2dtex~6dtex, the long filament of polyester fiber and Fypro this three
Long filament is planted, is by the Mixing ratio by weight of elastomer and the non-elastic fiber between elastomer and the non-elastic fiber
40：60~60：Coordinated in the range of 40.Made as the fibre mixed by non-elastic fiber and elastomer using gear
The part fracture of the non-elastic fibrous layer of the non-woven fabrics of dimension, to make the non-woven fabrics show retractility.As other waists
Stretchable sheet then can relatively easily become in this structure, carry out the shape after contracting if the piece that can carry out contracting.This
Outside, waist stretchable sheet is not limited to non-woven fabric plate, can also be formed by diaphragm.In addition, also can use prepare retractility in advance
Piece, then in a manner of the change width on the length direction for making product (by make its towards inside protrude in a manner of cut) it is right
The telescopic sheet carries out piece made of predeformation.
The elongation of posterior lumbar stretchable sheet 85 is preferably 1.4 times~1.8 times.In the present embodiment, by posterior lumbar
The elongation of stretchable sheet 85 is set as 1.5 times~1.6 times.In addition, elongation refers to the elongation degree of posterior lumbar stretchable sheet, press
It is provided according to mode below.
The elongation of posterior lumbar stretchable sheet=(length under the elongation state of posterior lumbar stretchable sheet) ÷ (posterior lumbars
The length under natural conditions of stretchable sheet)
The elongation of front side waist portion stretchable sheet 86 is preferably 1.3 times~1.7 times.In the present embodiment, by front side waist portion
The elongation of stretchable sheet 86 is set as 1.4 times~1.6 times.In addition, elongation refers to the elongation degree of front side waist portion stretchable sheet, press
It is provided according to mode below.
The elongation of front side waist portion stretchable sheet=(length under the elongation state of front side waist portion stretchable sheet) ÷ (front side waist portions
The length under natural conditions of stretchable sheet)
In the present embodiment, the configuration of waist stretchable sheet is between outer load 60 and back sheet 60a.But in core covering
40b is extended to than absorbent core 40a in the structure of the position on the outside of product length direction, and waist stretchable sheet can also configure
Between core covering 40b and back sheet 60a or between core covering 40b and outer load 60.The position of waist stretchable sheet does not have special limit
It is fixed.In addition, in the region that absorber is not configured, waist stretchable sheet can also configure between flank 70 and back sheet 60a or
Between flank 70 and outer load 60.
Posterior lumbar stretchable sheet 85 is with when by disposable diaper planar development and one of the low rigidity portion 110 of absorber
The mode of overlapping is divided to configure.In addition, in the present embodiment, posterior lumbar stretchable sheet 85 is with the part with low rigidity portion 110
The mode of overlapping is configured but it is also possible to be entire posterior lumbar stretchable sheet 85 is configured in a manner of Chong Die with low rigidity portion 110.
By low rigidity portion 110 as formation, the flexible of posterior lumbar stretchable sheet 85 is not hindered, even if posterior lumbar is stretched
Contracting piece 85 is shunk, and since low rigidity portion 110 narrows, the portion of product width direction both sides is leaned in the ratio low rigidity portion 110 of absorber
/ narrower intervals, therefore absorber 40 be also difficult to other than expection shape protuberance.In addition, it is contemplated that preventing excreta
Leakage, it is preferred that the width of low rigidity portion 110 be less than posterior lumbar stretchable sheet 85 width.
In addition, the waist stretchable sheet of present embodiment is configured to flexible along product width direction, but waist stretchable sheet also may be used
To be configured to flexible along product width direction and product length direction.
Magic tape 90 is installed on the region corresponding with rear waist region 30 of flank 70.Magic tape 90 includes：Substrate sheets
91, it is connected with flank 70；And hook tabs 92, substrate sheets 91 are fixed on, are equipped in the hook tabs 92 multiple as engaging structure
The clamping hooked (not shown) of part.Hook tabs 92 is provided with the region of fastened component, and the waistline maintaining part in the rear waist region is
From hook tabs 92 along the region that product width direction extends.
Hook tabs 92 is fixed on substrate sheets 91, specifically, hook tabs 92 is engaged in substrate sheets 91.Hook tabs 92 and substrate sheets 91 it
Between engagement preferably carried out in a manner of more than the rigidity height to required degree for not making magic tape 90.Specifically, 92 He of hook tabs
Substrate sheets 91 are engaged preferably by the hot-melt adhesive being discontinuously coated with as dotted, linear or helical form.In addition,
Hook tabs 92 and substrate sheets 91 can also be engaged using heat-sealing etc..
Substrate sheets 91 are formed by a non-woven fabrics, or are overlapped by two or more multiple non-woven fabrics.As base material
Piece 91 can use the non-woven fabrics being fabricated using the production methods such as spunbond (SB) or spunbond-melt blown-spunbond (SMS).It constitutes
The weight per unit area (being summation unit area weight in the case of multiple) of the non-woven fabrics of substrate sheets 91 is 30g/m2~120g/
m2, preferably 40g/m2~90g/m2。
Magic tape includes：Base portion 93, it is Chong Die with outer load；And extension 94, it extends to and leans on product than outer load
Position on the outside of width direction.Base portion 93 is Chong Die with outer load in substrate sheets 91 in the state of expanding magic tape
Part.Extension 94 is the not part Chong Die with outer load in substrate sheets 91.The elongate of disposable diaper shown in Fig. 1
Under state, in product length direction, the product length direction center of extension is aligned with the product length direction center of base portion.But
Be, disposable diaper under natural conditions, with the bending of posterior lumbar stretchable sheet 85, the position of magic tape changes,
To which the product length direction center of extension is located at the product length direction center than base portion on the outside of product length direction
Position.
In addition, in the present invention, the state of component overlapping is following concept, that is, is not only overlapped directly with one another comprising component
State, but also include the state (be overlapped other components state with being clipped in the middle) that component is overlapped indirectly each other.
Target portion 95 is set to the side by non-skin-contacting side of the outer load 60 of front waist region.Target portion 95 is constituted
To be hooked for the clamping hooked of magic tape, functioned as the ring in the locking system including hook and ring.Target portion for example can
Use hot-wind nonwoven cloth.
Target portion 95 can for example use the fabric nonwoven cloth made of the thermoplastic synthetic resin fiber of polyolefins or
The thermoplastic synthetic resin film of polyolefins.In addition, tree can be synthesized by the thermoplasticity of polyolefins by being installed on the ring of target portion
Fat is formed.
In addition, as target portion 95, can also using it is fluffy, by being embossed a part for non-woven fabrics prevent nonwoven
The non-woven fabrics of cloth wildness.
In addition, also can will indicate the installation of magic tape 90 by forming the outer load 60 of disposable diaper by non-woven fabrics
The pattern of position is printed on the side by non-skin-contacting side of back sheet 60a or outer loads 60, or will be with figuratum
Piece configures the non-skin-contacting side of overleaf piece 60a or outer loads 60, to be set as target portion.
Then, illustrate the wearing state of thus configured disposable diaper.When dressing disposable diaper, auxiliary is dressed
The magic tape of rear waist region is pulled to front waist region side.Magic tape is being zoomed in front waist region by wearing auxiliary
Magic tape is bonded to target portion under state.
The state that the disposable diaper of present embodiment is worn on to wearer is shown in FIG. 5.Fig. 5 is by magic tape
Fixed position is located on the inside of crotch side and width direction and to lead front waist region to width direction outside while lifting
The mode of drawing has dressed the state after disposable diaper.By the way that disposable diaper is so worn on wearer, can continue to carry
Rise disposable diaper front waist region, to be easy to cover infant bulging abdomen.
In addition, in wearing, by the way that magic tape is pulled to front waist region, thus by the rear end of disposable diaper
It pulls in the width direction.Fig. 6 is when indicating to have pulled the rear waist region of disposable diaper in the width direction by magic tape
Posterior lumbar stretchable sheet deformation form figure.(a) of Fig. 6 indicates that the state before deformation, (b) of Fig. 6 are indicated magic tape
The state pulled from the state of (a) of Fig. 6 to product width direction outside, (c) expression of Fig. 6 have further pulled magic tape
State.
In the state of before being deformed shown in (a) of Fig. 6, the rear end of disposable diaper is loose for the product of rear end
Direction center is spent than curved shape made of being recessed on the inside of lateral product length direction outside the product width direction of rear end.Separately
Outside, in the state of before being deformed, before the anterior end of posterior lumbar stretchable sheet is the product width direction center ratio of anterior end
Curved shape made of recess on the outside of lateral product length direction outside the product width direction of side end.
When slightly pulling the state before magic tape self-deformation to width direction outside, become shape shown in (b) of Fig. 6
State.By the way that magic tape is pulled to front waist region, to which the rear end of disposable diaper be pulled in the width direction.Even if
In this state, the rear end of disposable diaper is also product of the product width direction center than rear end of rear end
Curved shape made of recess on the inside of lateral product length direction outside width direction.In addition, the front side end of posterior lumbar stretchable sheet
Portion is the product width direction center of anterior end than lateral product length direction outside outside the product width direction of anterior end
Curved shape made of recess.
The state shown in (b) by magic tape from Fig. 6 becomes (c) institute of Fig. 6 to when slightly pulling on the outside of width direction
The state shown.The rear end of disposable diaper and product width direction are substantially parallel.The anterior end of posterior lumbar stretchable sheet
For anterior end product width direction center than lateral product length direction outer concave outside the product width direction of anterior end
Curved shape made of falling into.
In addition, in the state of before being deformed, the rear end of disposable diaper is curved shape, therefore, disposable diaper
Rear end width direction on length than the part positioned at the position than the rear end on the inside of the product length direction
Width direction on length it is long.The rear end of disposable diaper is easy to extend in the width direction as a result,.But in such as Fig. 6
The state of (c) disposable diaper (is worn on wearer's by magic tape to the state pulled on the outside of width direction like that
State) under, the elongation based on waist stretchable sheet of the rear end of disposable diaper, which is more than, to be located at than the rear end by production
The stretching based on waist stretchable sheet of the part (for example, anterior end of posterior lumbar stretchable sheet) of position on the inside of product length direction
Long amount.Therefore, the active force of posterior lumbar stretchable sheet becomes larger with being gone towards product length direction outside.It is dressing
In the state of disposable diaper, can utilize posterior lumbar stretchable sheet rear end by front waist region while lifting to
Drawing on the outside of width direction.
(2) manufacturing method of disposable diaper
Then, illustrate an example of the manufacturing method of the disposable diaper of present embodiment.In addition, in present embodiment
In unaccounted method can use existing method.In addition, manufacturing method described below is an example, it also being capable of profit
It is manufactured with other manufacturing methods.The manufacturing method of disposable diaper includes at least component formation process, component loads work
Sequence, leg enclose formation process and cut off operation.
In the manufacturing method of disposable diaper, manufacture is in disposable diaper continuous state in product length direction
Non-individual body, which is cut to the size of a product along product width direction W, thus manufactures each disposable urine
Cloth.
In component formation process, the component for constituting disposable diaper is formed.Specifically, for example, stacking absorbing material
And it is molded absorber 40.
In component loads process, waist stretchable sheet, positive dough sheet are constituted in the continuous on piece mounting of knitting for constituting back sheet
Continuous other piece, absorber, leg pars contractilis 75, auxiliary telescopic portions 77 etc. of knitting such as piece of knitting constitute disposable diaper 10
Component.
At this point, waist stretchable sheet be by the front side waist portion stretchable sheet 86 of arbitrary disposable diaper and with this it is arbitrary primary
State made of 85 integration of posterior lumbar stretchable sheet of the property adjacent disposable diaper of diaper.It is somebody's turn to do using the holdings such as component are attracted
The both ends of waist telescopic sheet (become the portion of product width direction outboard end in the state that forming is for disposable diaper
Point), so that waist telescopic sheet is extended along the product width direction of disposable diaper and is pasted onto the waist telescopic sheet continuously
Knit on piece.Due to extending waist telescopic sheet in the state that the both ends of the waist telescopic sheet have been kept,
The both ends of waist telescopic sheet are almost without elongation.Elongation in the product width direction at the both ends of waist telescopic sheet
Less than the elongation in the product width direction in the region between the both ends of waist telescopic sheet.
Specifically, in the region configured with waist stretchable sheet of disposable diaper, be formed with elongation it is different three
A subregion.The product width direction center for being configured with the region of waist stretchable sheet is being set as middle section, waist will be configured with
The product width direction end (both ends for being equivalent to waist stretchable sheet) in the region of stretchable sheet is set as lateral region, by central area
When region between domain and lateral region is set as intermediate region, the relationship of elongation meets：The product width direction of middle section
On the intermediate regions elongation ＞ product width direction on elongation ＞ lateral regions product width direction on elongation
Rate.
Elongation in the product width direction of middle section can be set as to 1.4 times~1.8 times.By the production of lateral region
Elongation in product width direction is set smaller than the elongation in the product width direction of middle section, can set it to
1.0 times~1.1 times.Elongation in the product width direction of intermediate region is set smaller than to the product width side of middle section
Upward elongation and the elongation more than lateral region, can be set to 1.2 times~1.3 times.In addition, the production of lateral region
Elongation in product width direction is 1.0 times, and lateral region can also be the region not extended substantially.
In addition, the telescopic sheet extended along product width direction is along product length direction contracting.In particular, telescopic sheet
Product width direction center contracting.Therefore, for the telescopic sheet under elongation state, the product in product width direction center
Length on length direction is shorter than the length in the product length direction of product width direction end.With the state of such contracting
The telescopic sheet pasted becomes the end being equivalent in the product length direction of telescopic sheet, front side as shown in Figure 1
Compare width direction in the width direction center of both the rear end of waist stretchable sheet and the anterior end of posterior lumbar stretchable sheet
Curved shape made of the recess of outside.
Leg enclose formation process cuts off positive dough sheet 50, outer load 60 and back sheet 60a.Auxiliary telescopic portion as a result,
77 anterior end 77F is cut off, and forms the leg opening part 35 for being configured in the calf circumference of wearer.
It is in cut off operation, the non-individual body configured with positive dough sheet 50, back sheet 60a, absorber 40 etc. is wide along product
Degree direction W is cut to the size of a product.Disposable diaper 10 is manufactured as a result,.
Non-individual body is cut to product one by one, to set on the waist stretchable sheet of disposable diaper, leg pars contractilis
Elongation state be released from and become nature.After release elongation state, the waist in elongation in the state of contracting
Stretchable sheet is deformed in a manner of the state before being restored to contracting.Therefore, the rear end of posterior lumbar stretchable sheet and front side
Although the anterior end of waist stretchable sheet is linear under elongation state, it is deformed into flexuosity in its natural state.
The anterior end of front side waist portion stretchable sheet is shunk than the rear end of front side waist portion stretchable sheet, to disposable diaper
Anterior end become its product width direction center than lateral production outside the product width direction of the anterior end of disposable diaper
Curved shape made of recess on the inside of product length direction.Similarly, the rear end of posterior lumbar stretchable sheet is stretched than posterior lumbar
The anterior end of contracting piece is shunk, and compares disposable diaper to the rear end of disposable diaper as its product width direction center
Rear end product width direction outside curved shape made of recess on the inside of lateral product length direction.
In addition, when non-individual body is cut to product one by one and becomes nature, before front side waist portion stretchable sheet
Side end is shunk than the rear end of front side waist portion stretchable sheet, and the rear end of posterior lumbar stretchable sheet is than posterior lumbar stretchable sheet
Anterior end shrink.The anterior end of front side waist portion stretchable sheet than front side waist portion stretchable sheet rear end far from absorbent core
40a is not influenced by the rigidity of absorbent core 40a and is more shunk to the anterior end of front side waist portion stretchable sheet.Rear side waist
The rear end of portion's stretchable sheet than posterior lumbar stretchable sheet anterior end far from absorbent core 40a, to which posterior lumbar is flexible
The rear end of piece is not influenced by the rigidity of absorbent core 40a and is more shunk.
(3) function and effect
It is configured with posterior lumbar stretchable sheet in the rear end of disposable diaper, to be easy to stretch in the width direction, and
Since the rear end of disposable diaper is curved shape in its natural state, it is easier to make the rear side of disposable diaper
It is shunk end.In the state that disposable diaper is worn on wearer, the waist positioned at rear end can be utilized to stretch
Contracting piece is by front waist region to drawing on the outside of width direction while lifting.For example, even if the position in disposable diaper is inclined
In the case of having moved, front waist region can also be pulled while lifting to width direction outside, to be easy to maintain to cover
It is covered with the state of the convex camber of abdomen.
Posterior lumbar stretchable sheet is configured in a manner of Chong Die with waistline maintaining part.It is further preferred that posterior lumbar stretchable sheet
It is configured in a manner of the product length direction center for surmounting waistline maintaining part.Most preferably, posterior lumbar stretchable sheet is to surmount
The mode of the crotch side end of the product length direction of waistline maintaining part configures.Since waist contraction flow region can be utilized to be used in one
The waistline maintaining part for the body that secondary property diaper is held in wearer is shunk in the direction of the width, therefore, even if in disposable diaper
Wearing position offset by the case of, also waistline maintaining part can be made to continue to fit in around the abdomen of wearer.
The rear end of posterior lumbar stretchable sheet is not Chong Die with absorber, the anterior end of posterior lumbar stretchable sheet and absorption
Weight is folded.In the component for constituting disposable diaper, the rigidity of absorber is higher.Therefore, posterior lumbar stretchable sheet with absorption
It is shunk than the part difficulty not Chong Die with absorber of posterior lumbar stretchable sheet the folded part of weight.
The rear end of posterior lumbar stretchable sheet is relatively easy to shrink than the anterior end of posterior lumbar stretchable sheet as a result,
Front waist region side can be further played in wearing lifts effect.
It is equipped with low rigidity portion in the rear end of absorber.By being equipped with the low rigidity portion, to make the rear side of absorber
End is easy to be unfolded in the width direction, and in wearing, the rear end of waist stretchable sheet is easier to extend along product width direction.
As a result, in the state that disposable diaper is worn on wearer, can further it play based on before posterior lumbar stretchable sheet
Waist area side lifts effect.
There is a situation where that the anterior end of disposable diaper configures on the convex camber of the abdomen of wearer.At this point, energy
Enough expect, it, will not be along the curved shape of the bulging of abdomen if Attacking Midfielder end is parallel with width direction.But by making before
Side end be the curved shape, can along abdomen convex camber configure anterior end.
Disposable diaper under natural conditions, the product length direction center of extension is located at the product length than base portion
Position of the direction center on the outside of product length direction.That is, disposable diaper under natural conditions, the extension of magic tape
It is not parallel with product width direction to extend direction, but on the inside of the width direction towards go on the outside of width direction and towards production
It is tilted on the outside of product length direction.
Since the extending area of magic tape is in the position than base portion on the outside of the length direction, consolidate by the magic tape
It in the state of front side, is easy to for extension to be configured at the position for leaning on crotch side than base portion.Therefore, lifting based on magic tape
Power can be easily applied to rear side and upside.
Back side film is configured at position of the rear end than disposable diaper on the inside of product length direction.Be not configured not
The part of the back sheet of liquid permeability is compared, and the rigidity of the part of the back sheet configured with opaque liquid is higher and is not easy to extend.
The rear end of disposable diaper is easy to be unfolded in the width direction, in wearing, after capable of making waist stretchable sheet
Side end further extends in the width direction, and in wearing, can further play front waist region side lifts effect.
(4) other embodiment
As described above, embodiment through the invention discloses present disclosure, but should not be construed composition should
The discussion of a disclosed part and attached drawing are for limiting the present invention.It to those skilled in the art, can from the disclosure
Specify various replacement embodiments, embodiment and application technology.
In variation, can also be that posterior lumbar stretchable sheet is not configured in a manner of Chong Die with waistline maintaining part.
In variation, either, posterior lumbar stretchable sheet is configured in a manner of not Chong Die with absorber, can also
It is that front side waist portion stretchable sheet is configured in a manner of be overlapped with absorber.
In variation, can also be not form Low rigidity region in absorber 40.
In variation, can also be that disposable diaper does not have front side waist portion stretchable sheet.
In variation, disposable diaper under natural conditions, the product length direction center of extension both can be
It is aligned with the product length direction center of base portion in product length direction, the product length direction center than base portion can also be located at
Position on the inside of product length direction.
In variation, back side film had both extended to the rear end of disposable diaper, can also extend to disposable
The anterior end of diaper can also be extended to the product width direction end of disposable diaper.
As described above, certainly, the present invention includes the various embodiments etc. that do not record herein.Thus, protection of the invention
Range according to the technical characteristic for illustrating claims that reasonable generalization goes out only by limiting.
In addition, the full content of Japanese Patent Application No. No. 2013-156030 (application on July 26th, 2013) is logical
It crosses reference and is incorporated into present specification.
Industrial availability
It is capable of providing a kind of disposable diaper of the convex camber for the abdomen that can suitably cover wearer.
Reference sign
10, disposable diaper；20, front waist region；25, lower crotch region；30, rear waist region；35, leg opening part；
40, absorber；40a, absorbent core；40b, core covering；50, positive dough sheet；60, outer load；60a, back sheet；70, flank；75、
Leg pars contractilis；75F, anterior end；75R, rear end；77, auxiliary telescopic portion；77F, anterior end；77R, rear end；
80, leg side rivel；81, elastic component；85, posterior lumbar stretchable sheet；85F, anterior end；85R, rear end；86, front side
Waist stretchable sheet；86F, anterior end；86R, rear end；90, magic tape；91, substrate sheets；92, hook tabs；93, base portion；94、
Extension；95, target portion；110, low rigidity portion；L, product length direction；W, product width direction.
Claims (8)
1. a kind of disposable diaper comprising：Front waist region；Rear waist region；Lower crotch region is located at the preceding waistline area
Between domain and the rear waist region；Product length direction, from the front waist region towards the rear waist region；Product
Width direction, it is orthogonal with the product length direction；Absorber crosses over the lower crotch region, and to the preceding waistline area
At least one of domain and the rear waist region extend；A pair of of magic tape, the product for being configured at the rear waist region are wide
The outboard end on direction is spent, for being bonded to the front waist region；And waist stretchable sheet, across disposable diaper
The center of product width direction, and there is retractility in the product width direction, wherein
The waist stretchable sheet has the posterior lumbar stretchable sheet for the rear end for being configured at the disposable diaper,
The rear end of the disposable diaper has the product width under natural conditions the disposable diaper
Curved shape made of inside recess of the direction center than the lateral product length direction outside the product width direction,
The posterior lumbar stretchable sheet contracts in the state of having been extended along the product width direction along the product length direction
Width,
Waist stretchable sheet in side has been in the state that the product width direction has extended in the rear, the posterior lumbar stretchable sheet
The length of the product length direction in the product width direction center is wider than the product of the posterior lumbar stretchable sheet
The length for spending the product length direction of direction end is short,
Waist stretchable sheet in side has been in the state that the product width direction has extended in the rear, the posterior lumbar stretchable sheet
The product width direction center of anterior end is wider than the product of the anterior end of the posterior lumbar stretchable sheet
Direction end is spent to recess on the outside of the product length direction.
2. disposable diaper according to claim 1, wherein
The disposable diaper includes waistline maintaining part, and the waistline maintaining part is in the front waist region and the rear waist region
Extend along the product width direction, the body for disposable diaper to be held in wearer,
The posterior lumbar stretchable sheet is configured in a manner of Chong Die with the waistline maintaining part.
3. disposable diaper according to claim 1 or 2, wherein
The absorber is configured at position of the rear end than the rear waist region on the inside of product length direction, institute
The anterior end for stating posterior lumbar stretchable sheet is configured in a manner of Chong Die with the absorber.
4. disposable diaper according to claim 1 or 2, wherein
It is equipped with Low rigidity region in the absorber, the weight per unit area in the Low rigidity region is less than other positions of absorber
Weight per unit area or the Low rigidity region be not present absorbent core,
The Low rigidity region is the product width direction of rear end of the length from the absorber in product width direction
The shape to shorten is gone in center towards the front waist region side.
5. disposable diaper according to claim 1 or 2, wherein
The waist stretchable sheet has the front side waist portion stretchable sheet for the anterior end for being configured at the disposable diaper,
The anterior end of the disposable diaper has product width direction center under natural conditions the disposable diaper
Curved shape made of inside recess than the lateral product length direction outside product width direction.
6. disposable diaper according to claim 1 or 2, wherein
At least waist area is equipped with outer load to the disposable diaper in the rear, non-flesh of the outer load configuration in the absorber
Skin contact surface side,
The magic tape includes：Base portion, it is Chong Die with the outer load；And extension, it extends to and is leaned on than the outer load
The position in the outside of the product width direction,
The disposable diaper under natural conditions, the center of the product length direction of the extension is located at than described
Position of the center of the product length direction of base portion by the outside of the product length direction.
7. disposable diaper according to claim 1 or 2, wherein
The disposable diaper at least match in the rear by back side film of the waist area equipped with opaque liquid, the back side film of the opaque liquid
It sets in the non-skin contact surface side of the absorber,
The back side film is configured at position of the rear end than the rear waist region on the inside of product length direction.
8. disposable diaper according to claim 1 or 2, wherein
The disposable diaper has：Product width direction center, that is, the central area in the region configured with the waist stretchable sheet
Domain；Product width direction end, that is, the lateral region in the region configured with the waist stretchable sheet；And configured with described
Region, that is, the intermediate region between the middle section and the lateral region in the region of waist stretchable sheet,
Elongation in the product width direction of the middle section is more than the product width side of the intermediate region
Upward elongation,
Elongation in the product width direction of the intermediate region is more than the product width side of the lateral region
Upward elongation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013156030A JP6193666B2 (en) | 2013-07-26 | 2013-07-26 | Disposable diapers |
| JP2013-156030 | 2013-07-26 | ||
| PCT/JP2014/068593 WO2015012129A1 (en) | 2013-07-26 | 2014-07-11 | Disposable diaper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105407849A CN105407849A (en) | 2016-03-16 |
| CN105407849B true CN105407849B (en) | 2018-09-14 |
Family
ID=52393175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480042310.8A Active CN105407849B (en) | 2013-07-26 | 2014-07-11 | Disposable diaper |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JP6193666B2 (en) |
| KR (1) | KR102312228B1 (en) |
| CN (1) | CN105407849B (en) |
| AU (1) | AU2014294292B2 (en) |
| MY (1) | MY168983A (en) |
| PH (1) | PH12016500186B1 (en) |
| SA (1) | SA516370469B1 (en) |
| TW (1) | TWI661816B (en) |
| WO (1) | WO2015012129A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6720281B2 (en) * | 2018-12-07 | 2020-07-08 | ユニ・チャーム株式会社 | Disposable diapers |
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| EP0832629A2 (en) * | 1996-09-30 | 1998-04-01 | Uni-Charm Corporation | Disposable diaper |
| CN1627929A (en) * | 2002-09-13 | 2005-06-15 | 尤妮佳股份有限公司 | Diaper |
| JP2009207660A (en) * | 2008-03-04 | 2009-09-17 | Oji Nepia Co Ltd | Absorbent article |
| CN101765416A (en) * | 2008-02-19 | 2010-06-30 | 尤妮佳股份有限公司 | Absorptive article |
| JP5243655B1 (en) * | 2012-11-27 | 2013-07-24 | ユニ・チャーム株式会社 | Disposable diapers |
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| US5938652A (en) * | 1996-06-19 | 1999-08-17 | Kimberly-Clark Worldwide, Inc. | Absorbent article having a selectively elasticized waist flap |
| JP3737725B2 (en) * | 2001-08-31 | 2006-01-25 | ユニ・チャーム株式会社 | Open-type disposable wearing articles |
| US20050148985A1 (en) * | 2003-12-30 | 2005-07-07 | Bronk Susan K. | Absorbent article having improved waist feature |
| US7905872B2 (en) * | 2004-06-04 | 2011-03-15 | The Procter & Gamble Company | Absorbent articles comprising a slow recovery stretch laminate |
| JP4417794B2 (en) | 2004-07-06 | 2010-02-17 | 大王製紙株式会社 | Tape-type paper diapers |
| JP4912198B2 (en) * | 2007-03-30 | 2012-04-11 | 大王製紙株式会社 | Pants-type disposable diapers |
| US8016971B2 (en) * | 2008-12-15 | 2011-09-13 | Kimberly-Clark Worldwide, Inc, | Method for making a waist relief feature |
| JP5832761B2 (en) * | 2011-03-01 | 2015-12-16 | ユニ・チャーム株式会社 | Absorbent wearing articles |
-
2013
- 2013-07-26 JP JP2013156030A patent/JP6193666B2/en active Active
-
2014
- 2014-07-11 MY MYPI2016700256A patent/MY168983A/en unknown
- 2014-07-11 CN CN201480042310.8A patent/CN105407849B/en active Active
- 2014-07-11 AU AU2014294292A patent/AU2014294292B2/en not_active Ceased
- 2014-07-11 WO PCT/JP2014/068593 patent/WO2015012129A1/en active Application Filing
- 2014-07-11 KR KR1020167001149A patent/KR102312228B1/en active IP Right Grant
- 2014-07-25 TW TW103125499A patent/TWI661816B/en not_active IP Right Cessation
-
2016
- 2016-01-25 SA SA516370469A patent/SA516370469B1/en unknown
- 2016-01-26 PH PH12016500186A patent/PH12016500186B1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0832629A2 (en) * | 1996-09-30 | 1998-04-01 | Uni-Charm Corporation | Disposable diaper |
| CN1627929A (en) * | 2002-09-13 | 2005-06-15 | 尤妮佳股份有限公司 | Diaper |
| CN101765416A (en) * | 2008-02-19 | 2010-06-30 | 尤妮佳股份有限公司 | Absorptive article |
| JP2009207660A (en) * | 2008-03-04 | 2009-09-17 | Oji Nepia Co Ltd | Absorbent article |
| JP5243655B1 (en) * | 2012-11-27 | 2013-07-24 | ユニ・チャーム株式会社 | Disposable diapers |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015012129A1 (en) | 2015-01-29 |
| CN105407849A (en) | 2016-03-16 |
| TWI661816B (en) | 2019-06-11 |
| JP6193666B2 (en) | 2017-09-06 |
| KR102312228B1 (en) | 2021-10-14 |
| PH12016500186A1 (en) | 2016-05-02 |
| KR20160037885A (en) | 2016-04-06 |
| SA516370469B1 (en) | 2019-11-13 |
| AU2014294292B2 (en) | 2018-03-08 |
| PH12016500186B1 (en) | 2016-05-02 |
| JP2015024048A (en) | 2015-02-05 |
| MY168983A (en) | 2019-01-29 |
| AU2014294292A1 (en) | 2016-02-25 |
| TW201529056A (en) | 2015-08-01 |
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