CN1230140C - Disposable diaper - Google Patents

Disposable diaper Download PDF

Info

Publication number
CN1230140C
CN1230140C CN 98126545 CN98126545A CN1230140C CN 1230140 C CN1230140 C CN 1230140C CN 98126545 CN98126545 CN 98126545 CN 98126545 A CN98126545 A CN 98126545A CN 1230140 C CN1230140 C CN 1230140C
Authority
CN
China
Prior art keywords
diaper
leg elastics
elastomer
diaper body
disposable diaper
Prior art date
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.)
Expired - Fee Related
Application number
CN 98126545
Other languages
Chinese (zh)
Other versions
CN1220866A (en
Inventor
保村大介
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kao Corp
Original Assignee
Kao Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP36078197A external-priority patent/JP3926013B2/en
Priority claimed from JP36095197A external-priority patent/JP3926015B2/en
Priority claimed from JP36078397A external-priority patent/JP3926014B2/en
Application filed by Kao Corp filed Critical Kao Corp
Publication of CN1220866A publication Critical patent/CN1220866A/en
Application granted granted Critical
Publication of CN1230140C publication Critical patent/CN1230140C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49017—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being located at the crotch region
    • 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
    • A61F13/49019—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being placed longitudinally, transversely or diagonally over the article
    • 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
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region

Landscapes

  • 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)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

A disposable diaper which comprises a rectangular diaper body including a topsheet, a backsheet and a absorbent member and provided with a leg portion elastic member, and a strip elastic member-attached sheet provided with a girth portion elastic member, the elastic member-attached sheet being disposed at least on an upper portion constituting a back side portion of the diaper body such that opposite side portions thereof extend outwardly from opposite left and right side edges of the diaper body, the leg portion elastic member comprising one pair of first leg portion elastic members disposed along a longitudinal direction of the diaper body, and one pair of second leg portion elastic members disposed inwardly of the one pair of first leg portion elastic members in a width direction of the diaper body.

Description

Disposable diaper
Technical field
The present invention relates to a kind of disposable diaper, this diaper makes the wearer leg area feel very unimpeded and unfettered, dresses as snug as a bug in a rug and very next to the shin.
Background technology
Before this, well-known disposable diaper such as disposable underpants formula diaper are widely used, this diaper comprises liquid permeability top layer material, non-liquid permeability backsheet and is in liquid-keeping absorber between them, the relative two edges portion formation pair of right and left connecting portion that links together about on relative left and right edges portion on the abdominal part part and the back portion, the waist of diaper and shank partly are provided with elastomer, have constituted successive wrinkle pleat on the peripheral direction of diaper belly band.
But, in conventional disposable diaper such as conventional pull-on disposable diaper, leak-proof in order to improve it, improve the degree next to the shin of diaper waist and shank, diaper is positioned at the part bending of two lower limb cross parts, make launch diaper vertically relatively the width of end portion (abdominal part and back) greater than the width of middle part (two lower limb cross parts).Therefore, there is following problem in conventional disposable diaper.
Because the shank of these diapers part covers the lower limb and the lower limb root of wearer excessively, these diapers can cause stuffiness or sultry sensation, and it is uncomfortable that wearer is dressed.In addition,, make production process complicated, thereby reduced production efficiency and cost is raise owing in manufacture process, need constituent material is cut into special shape.
Then particularly evident in summer and these problems of torrid areas.
In a word, conventional diaper is saturating and make the wearer leg area all can not be satisfactory aspect feeling light two in leakproof, therefore be necessary to develop a kind of disposable diaper, make the wearer leg area feel very unimpeded and unfettered, dress very comfortable and very next to the shin.
Summary of the invention
Therefore an object of the present invention is to provide a kind of disposable diaper, it makes the wearer leg area feel all out of the common run aspect unimpeded and unfettered, wearing comfortable, next to the shin property, productive rate and the anti-leak.
For addressing the above problem, inventors of the present invention are through finding behind the arduous research work that a kind of pull-on disposable diaper can reach above-mentioned target, this diaper comprises orthogonal diaper body and zonal elastomer one fixing band, be equipped with on the diaper body first leg elastics and be positioned at first leg elastics with second leg elastics, on diaper belly band portion and shank, constitute the wrinkle pleat.
The present invention who finishes based on above-mentioned discovery will provide a kind of disposable diaper, this diaper comprises the rectangle diaper body, this diaper body comprises liquid permeability top layer material, non-liquid permeability backsheet and the liquid-keeping absorber between top layer material and backsheet, and leg elastics is installed, this diaper also comprises a pair of elastomeric banded elastomer one fixing band of belly band portion that is provided with simultaneously, this a pair of elastomer one fixing band is installed on bottom that constitutes the diaper body abdominal part and the top that constitutes the diaper body back, make its relative limit portion protrude in the marginal portion, limit, the relative left and right sides of diaper body, described leg elastics comprises a pair of first leg elastics and a pair of second inner than first leg elastics on the diaper body width leg elastics that vertically is provided with along diaper body.
Disposable diaper of the present invention make the wearer leg area feel unimpeded and unfettered, dress aspect comfortable, next to the shin property, productive rate and the anti-leak all out of the common run.
Description of drawings
Fig. 1 is the axonometric chart of an embodiment of demonstration disposable diaper of the present invention;
Fig. 2 is the expanded view of disposable diaper among Fig. 1;
Fig. 3 is the cutaway view along the amplification of Fig. 2 center line III-III;
Fig. 4 is the cutaway view along the amplification of Fig. 2 center line IV-IV;
Fig. 5 is in the sketch map of user mode for disposable diaper of the present invention;
Fig. 6 is the expanded view (corresponding to Fig. 2) of another embodiment of demonstration disposable diaper of the present invention;
Fig. 7 is the cutaway view along the amplification of Fig. 6 center line IV-IV;
Fig. 8 is in the sketch map of user mode for disposable diaper among Fig. 6;
Fig. 9 is by enlarged drawing regional shown in the VI among Fig. 8;
Figure 10 is the expanded view (corresponding to Fig. 2) of the another embodiment of demonstration disposable diaper of the present invention;
Figure 11 is the schematic sectional view along the amplification of Figure 10 center line IV-IV;
Figure 12 is in the sketch map of user mode for disposable diaper among Figure 10;
Figure 13 is along the cutaway view of the disposable diaper of Figure 12 center line VI-VI (at the cutaway view of the middle part of two lower limb cross parts broad ways intercepting).
The specific embodiment
Below for referencial use for a more detailed description with accompanying drawing to the present invention.
At this, Fig. 1 is the axonometric chart of first embodiment of demonstration disposable diaper of the present invention, and Fig. 2 is the expanded view of Fig. 1 disposable diaper, and Fig. 3 is the cutaway view along the amplification of Fig. 2 center line III-III, and Fig. 4 is the cutaway view along the amplification of Fig. 2 center line IV-IV; Be in the sketch map of user mode for disposable diaper of the present invention with Fig. 5.
As illustrated in fig. 1 and 2, pull-on disposable diaper 1 in first embodiment comprises orthogonal diaper body 10, this diaper body comprise liquid permeability top layer material 2, non-liquid permeability backsheet 3 and place top layer material 2 and backsheet 3 between liquid-keeping absorber 4, and in shank 6 places installation leg elastics 61, this disposable diaper 1 also comprises a pair of banded elastomer-fixing band 7 that is separately installed with belly band elastomer 51.
This a pair of elastomer- fixing band 7,7 are placed on bottom A ' that constitutes diaper body 10 abdominal part A and the top B ' that constitutes back B, make its relative 70a of limit portion, 70b, 70a ', 70b ' stretches out in the relative left and right sides side marginal portion 10a of diaper body 10, outside the 10b, leg elastics 61 comprises a pair of first leg elastics 62 that vertically is provided with along diaper body 10, with a pair of second inner than first leg elastics 62 on the diaper body 10 widths leg elastics 63, second leg elastics 63 is more more inner at relative terminal part 63a place than it at 63b place, the middle part of diaper body 10 on diaper body 10 widths, the relative side marginal portion 7a of the elastomer-fixing band 7 at diaper abdominal part A place will be placed, 7b and the relative side marginal portion 7a ' that places the elastomer-fixing band 7 at B place, diaper back, 7b ' couples together and constitutes a pair of left and right sides connecting portion 8,8, thereby at the wrinkle pleat that constitutes in the belly band portion 5 along successive substantially encirclement belly band on the diaper belly band peripheral direction.
Top layer material 2, backsheet 3 and absorber about being adopted in the present embodiment can adopt conventional raw material, and not make any particular restriction.
As illustrated in fig. 1 and 2, " belly band portion " refers to be positioned at wearer waist (waist peristome) and waist zone on every side when dressing diaper.
More specifically, as shown in Figure 2, the top layer material 2 and the backsheet 3 that constitute diaper body 10 periphery configurations are of similar shape usually, and absorber 4 is then for being slightly less than the rectangle of top layer material 2 and backsheet 3, and bonding by binding agent and top layer material 2 and backsheet 3.
Elastomer-fixing band 7 is the pair of lamina structure, and by a wide band is constituted along its width centreline doubling, these elastomer-fixing band 7 integral body are a band shape.Elastomer-fixing band 7 is fixed between top layer material 2 and the backsheet 3 with sandwich form, and the one terminal edge is placed on the terminal edge of diaper body (referring to Fig. 3).
Length L with diaper body 10 1Compare, with the length L of diaper body 10 1Count 100, the width W of elastomer-fixing band 7 1Be preferably 5 to 25.By that analogy, the length L of diaper body 10 1Be preferably 350 to 500mm, and the width W of elastomer-fixing band 7 1Be preferably 30 to 100mm.The width W of elastomer-fixing band 7 1Be generally equal to the width of belly band portion 5.
If disposable diaper of the present invention is used for adult, length L 1The size maximum can be enlarged to 1000mm, width W 1The size maximum can be enlarged to 200mm.
Width W with diaper body 10 2Compare, with the width W of diaper body 10 2Count 100, the length L that elastomer-fixing band 7 stretches out 2Be preferably 30 to 200.By that analogy, elastomer-fixing band 7 length L of stretching out 2Be preferably 35 to 100mm, and the width W of diaper body 10 2Be preferably 300 to 400mm.
As shown in Figures 2 and 3, belly band portion elastomer 51 is fixed between two layers of elastomer- fixing band 7,7 by binding agent, has 6 such belly band portion elastomers 51 to be arranged on equidistantly in the whole width regions of elastomer-fixing band 7.
The distance D of adjacent belly band portion elastomer 51 1Be preferably 3 to 20mm.
As shown in Figure 4, place side marginal portion, the relative left and right sides not exist on the zone of absorber 4 two first leg elastics 62, this elastomer 62 vertically is fixed between top layer material 2 and the backsheet 3 by sandwich along diaper body 10.
Equally, as shown in Figure 2, with broken line form 3 second leg elastics 63 are set on the both sides of diaper body 10, elastomer 63 is in the bending of middle part 63b place, and making the middle part 63b that is positioned at diaper two lower limb cross part C places is the inflection point.Second leg elastics 63 is placed between backsheet 3 and the absorber 4.
First leg elastics 62 and second leg elastics 63 constitute a triangle.Absorber 4 is between first leg elastics 62 and second leg elastics 63.
As shown in Figure 2, to be arranged to its opposing ends not overlapping or it is terminal overlapping a little on elastomer-fixing band 7 for first leg elastics 62 and second leg elastics 63.That is, from obtaining good effect next to the shin and dress the angle of comfort level, first and second leg elastics 62,63 preferably are arranged to the elastic force that first and second leg elastics 62,63 are applied on elastomer-fixing band 7 in the vertical and are not formed the wrinkle pleat.
At the middle part of two lower limb cross part C, the distance D that first leg elastics 62 and second leg elastics are 63 2(referring to Fig. 4) is preferably 5 to 150mm.
Simultaneously, in the distance D of 63,63 of the middle part of two lower limb cross part C, second leg elastics 3(referring to Fig. 2) is preferably-150 to 150mm.(if be "-", illustrate that second leg elastics 63,63 intersect mutually).
By edge part 7a, 7b and between edge part 7a ', 7b ' connect and compose connecting portion 8, make the elastomer fixing band 7 and the one side of top layer material 2 be close to mutually.By this connection, wrinkle pleat that forms on the belly band 5 of abdominal part A and the wrinkle pleat that forms on the B of back are interconnected, thereby constituted successive substantially wrinkle pleat around belly band along whole diaper belly band periphery.
The preferred embodiment of elastomer-fixing band 7 comprises the band of being made by following material.
Can adopt non-woven fabrics, thin film, cloth etc., consider ventilative and and contact skin, be preferably non-woven fabrics.
As for the belly band portion elastomer 5 and first and second leg elastics 62,63, can adopt those materials that in disposable diaper, adopted usually, and without particular limitation.The thickness of belly band portion elastomer 51 is preferably 0.1 to 0.5mm, and the thickness of first leg elastics 62 is preferably 0.1 to 0.5mm, and the thickness of second leg elastics 63 is preferably 0.1 to 0.5mm.Similarly, the elastic modelling quantity of belly band portion elastomer 51 is preferably 1.0 to 5.0 * 10 6Pa, the elastic modelling quantity of first leg elastics 62 is preferably 1.0 to 5.0 * 10 6Pa, and the elastic modelling quantity of second leg elastics 63 is preferably 1.0 to 5.0 * 10 6Pa.
Measure elastic modelling quantity by the following method.
Adopt " rheometer DMS 200 " (making), and measure elastic modelling quantity according to a conventional method by Seiko Instrument Co.Ltd..
The percentage elongation of first and second leg elastics is preferably 20 to 300%.
The disposable diaper 1 of this embodiment can use by the usage identical with conventional pant diaper.
Particularly, as shown in Figure 5, it can be through on one's body the wearer by the mode identical with conventional pull-on disposable diaper.Because the disposable diaper 1 of this embodiment has said structure, has fabulous unimpeded and free sensation on its region R around shank.In addition, because it comprises first and second leg elastics 62,63, even when being designed on its region R, have fabulous unimpeded and free sensation, can not sacrifice good property next to the shin around shank yet.Therefore, the disposable diaper of this embodiment has fabulous property next to the shin and leak-proof.
In addition, as shown in Figure 5, the Breeches type disposable diaper 1 of this embodiment has a bag shape part 9a, 9b, 9c, and they are to go up outwards outstanding diaper body by diaper abdominal part A and back B to constitute, wherein three at two lower limb cross part C places, and one at wearer hypogastric region place.Promptly in the pull-on disposable diaper of this embodiment, bag shape part 9a goes up in wearer hypogastric region formation (the bag shape part that forms in B place, back does not show) in diaper abdominal part A and back B by first and second leg elastics 62,63 and belly band portion elastomer 51.Similarly, when diaper is worn, by first and second leg elastics 62,63, between first leg elastics 62 and second leg elastics 63 in the diaper two shape pouch part 9b of lower limb cross part C place that are positioned at wearer two lower limb infalls, and between second leg elastics 63 shape pouch part 9c.Owing to have a bag shape part 9a, 9b, 9c, make leak-proof further reinforcement.
The preferred disposable diaper 1 of making this embodiment by the following method.
After placing first and second leg elastics 62,63 on the top layer material 2, absorber 4 is set thereon, then will place respectively on the top layer material 2 by elastomer one fixing band 7 that belly band portion elastomer 51 gained are installed, put backsheet 3 then and make it cover absorber 4 and elastomer-fixing band 7, thereby constituted the diaper body 10 that elastomer-fixing band 7 is installed.With methods such as heat sealings the part that elastomer-fixing band 7 stretches out diaper body 10 is linked together at last, thereby make the disposable diaper of this embodiment.
Now with Fig. 6 to Fig. 9 description for referencial use second embodiment of the present invention.
At this, Fig. 6 is the expanded view (corresponding to Fig. 2) of another embodiment of demonstration disposable diaper of the present invention; Fig. 7 is the cutaway view along the amplification of Fig. 6 center line IV-IV; And being the disposable diaper of second embodiment, Fig. 8 is in the sketch map of user mode.
Should note only the part that is different from above-mentioned first embodiment being described in detail in the following description.For the part that is not described in detail, if the suitable description of adopting in first embodiment.
As shown in Figure 6, the disposable diaper 1 of this embodiment comprise liquid permeability top layer material 2, non-liquid permeability backsheet 3 and place top layer material 2 and backsheet 3 between liquid-keeping absorber 4.
The disposable diaper 1 of this embodiment is the pull-on disposable diaper that has a pair of left and right sides connecting portion 8 on it, disposable diaper as shown in Figure 1, the relative left and right edges portion of the relative left and right edges portion of diaper abdominal part A and diaper back B joined constitutes connecting portion 8.
As shown in Figure 6, the disposable diaper 1 of this embodiment comprises rectangle diaper body 10 and has the elastomeric banded elastomer-fixed body 7 of belly band portion that diaper body 10 comprises top layer material 2, backsheet 3 and absorber 4, and has leg elastics 61.Elastomer-fixing band 7 is placed on the top B ' of the back B that constitutes disposable diaper 10, the 70a ' of its opposed edges portion, 70b ' are stretched out in outside the relative left and right edges 10a of portion, the 10b of diaper body 10, leg elastics 61 comprises a pair of first leg elastics 62 that vertically are provided with along diaper body 10 and a pair of second inner than first leg elastics 62 on the diaper body 10 widths leg elastics 63.On diaper body 10 widths, second leg elastics 63 is more more inner at relative terminal part 63a place than it at 63b place, the middle part of diaper body 10.Another edge 22b that one edge 22a is had the banded anti-leak sheet material 22 of elastomer 23 is fixed on the edge part of diaper body 10, so that edge 22a can be free movable and stretches to the inside of diaper body, thereby the edge 22a that makes anti-leak sheet material 22 projects upwards in top layer material 2, constitutes three-dimensional leakproof edge 21 thus on the top layer material 2 of each relative left and right edges side of diaper body 10.
Shown in Fig. 6 and 7, the place, side marginal portion, the relative left and right sides in diaper body 10 is arranged on the top layer material 2 with banded anti-leak sheet material 22, constitutes three-dimensional leakproof edge 21 thus.Utilize binding agent that another edge 22b of banded anti-leak sheet material 22 is fixed on the edge of diaper body 10, but do not fix its edge 22a, make the edge 22a can be free movable.Edge 22a has elastomer 23, and the contraction by elastomer 23 makes three-dimensional leakproof edge 21 to upper process.
Middle part at 10 liang of lower limb cross parts of diaper body C place, can free active edge 22a in the three-dimensional leakproof edge 21 between first leg elastics 62 and second leg elastics 63.
Simultaneously, as shown in Figure 7, in the center of 10 liang of lower limb cross parts of diaper body C, the distance D that the edge 22a and first leg elastics are 62 4Be preferably 10 to 70mm.
For anti-leak sheet material and elastomer, can adopt those materials that conventional disposable diaper adopts and without particular limitation.
The disposable diaper 1 of this embodiment can use by the usage identical with conventional disposable diaper.
Particularly, as shown in Figure 8, it can be through on one's body the wearer by the mode identical with conventional disposable diaper.Because the disposable diaper 1 of this embodiment has said structure, has fabulous smoothness and free sensation on its region R around shank.In addition, because it comprises first and second leg elastics 62,63, even when being designed on its region R, have fabulous unimpeded and free sensation, can not sacrifice good property next to the shin around shank yet.In addition, because it has standing gather, the disposable diaper of this embodiment has fabulous leak-proof.
In addition, as shown in Figure 8, the disposable diaper 1 of this embodiment has a bag shape part 9a, 9b, 9c, and they are to go up outwards outstanding diaper body by diaper abdominal part A and back B to constitute, and wherein three at two lower limb cross part C places, and one at wearer hypogastric region place.Promptly in the disposable diaper of this embodiment, bag shape part 9a goes up in wearer hypogastric region formation (the bag shape part that forms in B place, back does not show) in diaper abdominal part A and back B by first and second leg elastics 62,63 and belly band portion elastomer 51.Similarly, when dressing diaper, by first and second leg elastics 62,63, between first leg elastics 62 and second leg elastics 63 in the diaper two shape pouch part 9b of lower limb cross part C place that are positioned at wearer two lower limb infalls, and between second leg elastics 63 shape pouch part 9c.Owing to have a bag shape part 9a, 9b, 9c, make leak-proof further reinforcement.
Have in the disposable diaper of standing gather in routine, the wrinkle pleat is pushed to top layer material direction when diaper is worn, so it can not play the effect of standing gather.In contrast, as shown in Figure 9, because the free margins (edge 22a) of standing gather 21 is among the bag shape part 9c of two lower limb cross parts between first leg elastics 62 and second leg elastics 63, standing gather 21 is holded up and its free end is contacted well with the skin of wearer, thereby plays its effect as standing gather.Therefore further strengthened leak-proof.
Therefore, because said structure, the disposable diaper 1 of this embodiment makes around the zone of shank and produces easily and comfort, reduces around the unimpeded and unfettered sensation of leg area and the disposable diaper of dressing comfort decline is compared and strengthened the wearing comfort for strengthening anti-leak result with routine.In addition, compare with conventional disposable diaper, disposable diaper 1 of the present invention shows next to the shin and anti-leak performance that equate or better.
The preferred disposable diaper 1 of making this embodiment by the following method.
After placing first and second leg elastics 62,63 on the top layer material 2, absorber 4 is set thereon, then will place respectively on the top layer material 2 by elastomer-fixing band 7 that belly band portion elastomer 51 gained are installed, put backsheet 3 then and make it cover absorber 4 and elastomer-fixing band 7, thereby constituted the diaper body 10 that elastomer-fixing band 7 is installed.Then with each wherein on one side the anti-leak sheet material 22 of 22a with elastomer 23 place diaper body 10 relative left and right edges partly to go up to constitute three-dimensional leakproof edge.With methods such as heat sealings the part that elastomer-fixing band 7 stretches out diaper body 10 is linked together at last, thereby make the disposable diaper of this embodiment.
Serve as with reference to describing the 3rd embodiment of the present invention now with Figure 10 to 13.
Figure 10 is the expanded view (corresponding to Fig. 2) of the disposable diaper of demonstration third embodiment of the invention herein, and Figure 11 is the amplification view along Figure 10 center line IV-IV.
Figure 12 is the sketch map that the disposable diaper of the 3rd embodiment is in user mode, and Figure 13 is the cutaway view (at the cutaway view of the middle part of both legs cross part broad ways intercepting) along the disposable diaper of Figure 12 center line VI-VI.
Should note only the part that is different from above-mentioned first embodiment being described in detail in the following description.For the part that is not described in detail, if the suitable description of adopting in first embodiment.
Shown in Figure 10 and 11, the disposable diaper 1 of this embodiment comprises rectangle diaper body 10 and has the banded elastomer-fixed body 7 of belly band portion elastomer 51 that diaper body 10 comprises top layer material 2, backsheet 3 and absorber 4, and has leg elastics 61.
By absorber 4 and backsheet 3 bonding formation central absorbent part 11 at described diaper two lower limb cross part C places, two lower limb cross part C of diaper are positioned under the wearer two lower limb cross parts when diaper is worn, absorbability flank 13 comprises the absorber 4 discrete with backsheet 3, the set-up mode of top layer material 2 makes its flank elastomer 43 that covers absorber 4 and be in described absorber 4 both sides, and constitutes the anti-leak flank 12 that comprises backsheet 3 in the relative left and right sides of described central absorbent part 11.A pair of elastomer-fixing band 7 is placed on bottom A ' that constitutes diaper abdominal part A and the top B ' that constitutes the diaper back, its relative 70a of limit portion, 70b, 70a ', 70b ' is stretched out outside relative left and right edges 10a, the 10b of diaper body.Leg elastics 61 comprises a pair of first leg elastics 62 that vertically are provided with along diaper body 10 and a pair of second leg elastics 63 more inner than first leg elastics 62 on diaper body 10 widths.Identical with the disposable diaper of Fig. 1, with place diaper abdominal part A place elastomer-fixing band 7 relative side marginal portion 7a, 7b and place relative side marginal portion 7a ', the 7b ' of the elastomer-fixing band 7 at B place, diaper back to couple together to constitute a pair of left and right sides connecting portion 8,8, thereby at the wrinkle pleat that is formed in successive substantially encirclement belly band on the diaper belly band peripheral direction on the belly band part 5.
As shown in figure 11, by binding agent at the middle part of disposable diaper body 10 width with absorber 4 and backsheet 3 bonding formation central absorbent parts 11, this central absorbent part 11 comprises that top layer material 2, backsheet 3 and sandwich are fixed in the absorber 4 between top layer material 2 and the backsheet 3.
Bonding in the left and right edges place absorbers 4 discord backsheet 3 that central absorbent part 11 is relative, therefore constituted absorbability flank 13 and anti-leak flank 12.
Cover the whole outer surface that is positioned at the absorber 4 on the middle absorbent part 11 relative left and right sides sides with top layer material 2, constitute absorbability flank 13 thus.Flank elastomer 43 is placed on the edge 4a of absorber 4.
In a word, when when top layer material side is looked squarely deployed condition, two these embodiment disposable diapers of lower limb cross part C place have a part (central absorbent part) that constitutes by bonding absorber 4 and backsheet 3 and absorber 4 not with backsheet 3 adherent parts.Absorber 4 does not constitute absorbability flank 13 and anti-leak flank 12 with backsheet 3 adherent parts.
The anti-leak flank is by the bonding formation of top layer material 2 and backsheet 3.First and second leg elastics 62,63 are positioned on the anti-leak flank.Be that the anti-leak flank can mainly be made by backsheet 3.
Central absorbent part 11, anti-leak flank 12 and absorbability flank 13 are its border with second leg elastics 63.Be absorber 4 in second leg elastics 63 with interior zone and backsheet 3 bonding formation central absorbent parts 11, absorber 4 and backsheet 3 zone beyond second leg elastics 63 is separated from each other.
Therefore, depend on the setting of diaper body 10 lengthwise positions and second leg elastics 63, the width ratio of central absorbent part 11 and absorbability flank 13 (anti-leak flank 12) will change.Particularly, in this embodiment, the ratio of the width of the center of two lower limb cross parts central absorbent part and absorbability flank 13 width be 1: 0.1 to 1.5, and at the central absorbent partial width W of the center of two lower limb cross parts of contiguous elastomer-fixing band 7 3With absorbability flank 13 width W 4Ratio be 1: 0.1 to 1.5.Equal the spacing of second leg elastics 63 at the width of the center of two lower limb cross parts central absorbent part.
Elastomer 43 is placed in the upper surface side of the absorber 4 at the marginal end portion 13a place that is in absorbability flank 13 with binding agent.
Therefore because elastomer 43 is installed because the expansionary force of elastomer 43, under no pressure absorbability flank 13 from diaper to upper process (top layer material 2 sides).
Elastomer and binding agent about adopt in this place can adopt those materials that adopted in the conventional disposable diaper, and not have any special restriction.The thickness of elastomeric material is preferably 0.1 to 0.5mm, and elastic modelling quantity is preferably 1.0 to 5.0 * 10 6Pa.The method of measuring elastic modelling quantity below will be described.
At middle part 63b place second leg elastics 63 installation position in the horizontal than in that relatively end portion 63a place is inner.Second leg elastics 63 also is fixed between backsheet 3 and the top layer material 2 by sandwich.
The disposable diaper 1 of this embodiment can use by the usage identical with conventional pant diaper.
Particularly, as shown in figure 12, it can be through on one's body the wearer by the mode identical with conventional pant diaper.Because the disposable diaper 1 of this embodiment has said structure, has fabulous unimpeded and free sensation on its region R around shank.In addition, because it includes first and second leg elastics 62,63, even when being designed on its region R, have fabulous unimpeded and free sensation, also can sacrifice good property next to the shin around shank.Therefore the disposable diaper of this embodiment has fabulous property next to the shin and leak-proof.
In addition, as shown in figure 12, the Breeches type disposable diaper 1 of this embodiment has a bag shape part 9a, 9b, 9c, and they are to go up outwards outstanding diaper body by diaper abdominal part A and back B to constitute, wherein three at two lower limb cross part C places, and one at wearer hypogastric region place.Promptly in the pull-on disposable diaper of this embodiment, bag shape part 9a goes up in wearer hypogastric region formation (the bag shape part that forms in B place, back does not show) in diaper abdominal part A and back B by first and second leg elastics 62,63 and belly band portion elastomer 51.Similarly, when diaper is worn, by first and second leg elastics 62,63, between first leg elastics 62 and second leg elastics 63 in the diaper two shape pouch part 9b of lower limb cross part C place that are positioned at wearer two lower limb infalls, and between second leg elastics 63 shape pouch part 9c.Owing to have a bag shape part 9a, 9b, 9c, make anti-permeability further strengthen.
As shown in figure 13, because absorbability flank 13 contacts with wearer discretely with anti-leak flank 12, property next to the shin is further strengthened.In addition, because the most close wearer drain site of absorbability flank, the urine that excretes etc. can be absorbed effectively.Even the urine that excretes etc. is oozed out from absorbability flank 13, it also can be stopped effectively by anti-leak flank 12, reuptakes because the feasible urine that is blocked of skin of flank 12 contact wearers etc. drip among bag shape part 9b and are absorbed body 4.Therefore, can obtain very good anti-leak performance.
The preferred disposable diaper 1 of making this embodiment by the following method.
After placing first and second leg elastics 62,63 on the top layer material 2, absorber 4 is set thereon, then will place respectively on the top layer material 2 by elastomer-fixing band 7 that belly band portion elastomer 51 gained are installed, put backsheet 3 then and make it cover absorber 4 and elastomer-fixing band 7, thereby constituted the diaper body 10 that elastomer-fixing band 7 is installed.With methods such as heat sealings the part that elastomer-fixing band 7 stretches out diaper body 10 is linked together then, thereby make the disposable diaper of this embodiment.
It should be noted that above embodiment does not play the qualification effect to disposable diaper of the present invention, on the basis that does not deviate from theme of the present invention, can do multiple improvement.
For example, in the first embodiment, second leg elastics 63 can place between top layer material 2 and the absorber 4.
In second embodiment, second leg elastics 63 can place between top layer material 2 and the absorber 4.
Although demonstrated a kind of pull-on disposable diaper in second embodiment, the structure of second embodiment also can be used for so-called expansion disposable diaper, and this diaper has the fixing band that is used for fixing disposable diaper.
Have the disposable diaper of the absorber between first and second leg elastics although demonstrated in second embodiment, this absorber is not necessary.
In the 3rd embodiment, second leg elastics 63 can place between top 2 and the absorber 4.

Claims (5)

1, a kind of disposable diaper, it comprises the rectangle diaper body, and described diaper body comprises liquid permeability top layer material, non-liquid permeability backsheet and liquid-keeping absorber, and leg elastics is installed, described diaper also comprises the elastomeric banded elastomer-fixing band of belly band portion is installed
Described elastomer-fixing band is installed on the bottom that constitutes described diaper body abdominal part and constitutes on the top at described diaper body back, makes its relative limit portion protrude in the side marginal portion, the relative left and right sides of diaper body,
Described leg elastics comprise a pair of first leg elastics that vertically is provided with along described diaper body and a pair of on described diaper body width the second inner leg elastics of more described first leg elastics, and
Described absorber places between described top layer material and the described backsheet.
2, disposable diaper as claimed in claim 1, wherein, on described diaper body width, described second leg elastics is more inner in relative end than it in described diaper body center.
3, disposable diaper as claimed in claim 1, wherein, with the relative side marginal portion of the described described elastomer-fixing band that places diaper abdominal part place with place the relative side marginal portion of the described elastomer-fixing band at place, diaper back to couple together to constitute a pair of left and right sides connecting portion, thereby in described belly band portion, constitute wrinkle pleat along successive substantially encirclement belly band on the described diaper belly band peripheral direction.
4, disposable diaper as claimed in claim 1, wherein, another edge that one edge is had an elastomeric banded anti-leak sheet material is fixed on the edge part of described diaper body, make the described edge of described banded anti-leak sheet material free movable and stretch to the inside of diaper body, thereby this edge that makes described anti-leak sheet material projects upwards in described top layer material, constitutes three-dimensional leakproof edge thus on the top layer material of the relative left and right sides of described diaper body side edge side.
5, disposable diaper as claimed in claim 1, wherein,
Described absorber and described backsheet is bonding at two lower limb cross part places of described diaper, constitute the central absorbent part thus, when dressing described diaper described two lower limb crossover sites under wearer two lower limb cross parts, and
On the relative left and right sides side of described central absorbent part, form absorbability flank and anti-leak flank,
Described absorbability flank comprises the described absorber discrete with described backsheet, covers the described top layer material of described absorber and is in the flank elastomer of described absorber both side ends office, and
Described anti-leak flank comprises described backsheet.
CN 98126545 1997-12-26 1998-12-28 Disposable diaper Expired - Fee Related CN1230140C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP36078197A JP3926013B2 (en) 1997-12-26 1997-12-26 Pants-type disposable diapers
JP360951/97 1997-12-26
JP360781/97 1997-12-26
JP36095197A JP3926015B2 (en) 1997-12-26 1997-12-26 Pants-type disposable diapers
JP36078397A JP3926014B2 (en) 1997-12-26 1997-12-26 Disposable diapers
JP360783/97 1997-12-26

Publications (2)

Publication Number Publication Date
CN1220866A CN1220866A (en) 1999-06-30
CN1230140C true CN1230140C (en) 2005-12-07

Family

ID=27341636

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 98126545 Expired - Fee Related CN1230140C (en) 1997-12-26 1998-12-28 Disposable diaper

Country Status (3)

Country Link
CN (1) CN1230140C (en)
MY (1) MY128341A (en)
TW (1) TW478932B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4426785B2 (en) * 2002-08-30 2010-03-03 ユニ・チャーム株式会社 Pants-type disposable diapers
JP5303689B1 (en) 2012-03-29 2013-10-02 ユニ・チャーム株式会社 Disposable wearing items
CN103908375A (en) * 2012-12-31 2014-07-09 尤妮佳股份有限公司 Absorptive article
CN103908374A (en) * 2012-12-31 2014-07-09 尤妮佳股份有限公司 Absorptive article
CN110637754A (en) * 2019-10-17 2020-01-03 杭州嘉杰实业有限公司 Pull-up pants for male dogs and manufacturing device and manufacturing method thereof

Also Published As

Publication number Publication date
TW478932B (en) 2002-03-11
MY128341A (en) 2007-01-31
CN1220866A (en) 1999-06-30

Similar Documents

Publication Publication Date Title
CN1234332C (en) Absorbent product
CN1853592A (en) Disposable napkin erythema
CN1181796C (en) Absorbent article
CN1281203C (en) Panty type diaper
CN1094051C (en) Disposable diaper
ES2269611T3 (en) BRAGA TYPE DISPOSABLE diaper.
CN1199625C (en) Disposable napkins
CN1296025C (en) Pants-type disposable wearing article
CN1250181C (en) Weared absorbent article
CN2669814Y (en) Napkin with easily wearing
CN1713875A (en) Method for producing disposable wearing article
EP0806196A2 (en) Disposable absorbent garment of pants type
CN1282234A (en) Absorbent article with enhanced elastic design for improved aesthetics and containment
CN1947673A (en) Disposable diaper
CN1168427C (en) Absorbent products
CN101068519A (en) Pants-type disposable diaper
CN1183714A (en) Disposable pull-on pant
CN1211036C (en) Connector element for end sections of pieces of clothing to be connected
CN1216458A (en) Disposable pull-on pant
JP2003265523A (en) Disposable paper diaper
CN1947672A (en) Disposable diaper
KR20240015164A (en) A garment
JP2010035726A (en) Tape type disposable diaper
TW201228646A (en) Underwear-type absorbent article
CN1264490C (en) Underpants type disposable diaper

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20051207

Termination date: 20151228

EXPY Termination of patent right or utility model