CN110177529A - Absorbent commodity - Google Patents

Absorbent commodity Download PDF

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Publication number
CN110177529A
CN110177529A CN201880006524.8A CN201880006524A CN110177529A CN 110177529 A CN110177529 A CN 110177529A CN 201880006524 A CN201880006524 A CN 201880006524A CN 110177529 A CN110177529 A CN 110177529A
Authority
CN
China
Prior art keywords
width direction
length
absorber
ora terminalis
length direction
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.)
Granted
Application number
CN201880006524.8A
Other languages
Chinese (zh)
Other versions
CN110177529B (en
Inventor
森和隆
河村浩治
川端训功
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.)
Unicharm Corp
Original Assignee
Unicharm 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
Application filed by Unicharm Corp filed Critical Unicharm Corp
Publication of CN110177529A publication Critical patent/CN110177529A/en
Application granted granted Critical
Publication of CN110177529B publication Critical patent/CN110177529B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • 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
    • 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
    • A61F13/53—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 absorbing medium
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/531—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 absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532—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 absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/533—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 absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression

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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The present invention provides a kind of absorbent commodity, is reliably prevented from the side leakage of discharged liquid, and, it is also difficult to generate the leakage from the back side on length direction.Absorbent commodity of the invention has: the absorption main part (2) and a pair of of leakproof wall portion, a pair of of leakproof wall part for having absorber (21) do not have base portion (41), the first wall portion (42), the second wall portion (43) and are configured to include that the liquid of the first joint portion (44) and the second joint portion (45) flows control unit (FC), absorber (21) is configured in absorption main part (2), when looking down, inward side end (45E of the dorsal area side edge on length direction compared to the most inward side positioned at length direction in the inward side ora terminalis in the width direction of second joint portion (45)i) and positioned at the outward side of length direction, also, two ora terminalis in the width direction of absorber (21) are at least in dorsal area (AB) in compared to the inward side ora terminalis in the width direction of base portion (41) be located at the outward side of width direction.

Description

Absorbent commodity
Technical field
The present invention relates to the absorbent commodities such as diaper, disposable diaper.
Background technique
In the past, in the absorbent commodities such as diaper or disposable diaper, to prevent the side leakage of the discharged liquids such as urine (that is, from suction The leakage that the width direction end of the property received article generates) for the purpose of, in the both sides of the length direction of absorbent commodity (that is, wide Spend the both ends in direction) it is equipped with a pair of of the leakage preventing wall (so-called solid rivel) erected towards the skin surface of wearer.
As the absorbent commodity for the side leakage for preventing such discharged liquid, for example, Patent Document 1 discloses following Absorbent commodity, the absorbent commodity have: the overleaf main part of the substantially sheet between piece and top flat configured with absorbent cores； And on the both sides of the main part, throughout the length direction of the main part substantially overall length and the opposite side that is arranged Piece, the pair of lateral plate have respectively: band-like joint portion, which is to spread the overall length of the length direction and be arranged The position of the side of folding line is engaged with the main part；And sidewall portion, the sidewall portion are the other sides of the folding line Position, at the edge of the inside of the width direction vertical with the length direction at the joint portion as the folding line, It turns back on the outside of towards the width direction, and then towards turning back on the inside of the width direction, also, one of the sidewall portion Divide and erected from the main part, the sidewall portion has: being fixed on the joint portion at the both ends of the length direction Two side walls end；It is continuous from described two side wall ends and vertical from the folding line between described two side wall ends The rising portions risen；And throughout the length direction of the rising portions substantially overall length and configure, by shrink make it is described vertical The elastomeric element of rivel is shunk and is formed in the portion of rising, and a side wall ends in described two side wall ends have: half rising portions, should Half rising portions be from the continuous position of the rising portions, configured with the elastomeric element and with the joint portion and the master Body portion does not engage, and is erected than the rising portions low land from the main part and making the elastic components contract；And it is fixed Portion, the fixed part is adjacent with the outside of half rising portions in the width direction and is fixed on the joint portion.
According to the absorbent commodity disclosed in Patent Document 1, the end from the length direction of absorbent commodity can be prevented Side leakage near portion.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2010-094321 bulletin
Summary of the invention
Subject to be solved by the invention
But the absorbent commodity disclosed in Patent Document 1 is at above-mentioned half rising portions, in the width direction of absorbent cores Two ends compared to a pair of sidewalls portion fixed part and be located at width direction inward side, therefore, even if utilizing half rising portions The discharged liquid for flowing to half rising portions of the sidewall portion has been blocked, also can not fully absorb the excretion being blocked using absorbent cores Liquid, it is possible to generate side leakage from the part of the width direction outward side of absorbent cores.
Also, two ends on the length direction of the absorbent cores of the absorbent commodity disclosed in Patent Document 1 are in length Spend on direction be located at the position substantially same with the length direction inward side end of above-mentioned half rising portions (that is, in the longitudinal direction, In the position than leaning on length direction outward side with the substantially same position in the length direction inward side end of above-mentioned half rising portions, no There are absorbent cores), therefore, especially, when the such situation of discharged liquid is discharged in the wearer from the state of lying down repeatedly, Can not be fully absorbed using absorbent cores the flowing to width direction inhibited by the rising portions of above-mentioned sidewall portion and half rising portions and The discharged liquid flowed in the longitudinal direction, the discharged liquid are possible to go out from the back side leakage on the length direction of absorbent commodity.
Therefore, the purpose of the present invention is to provide a kind of absorbent commodities, are reliably prevented from the side leakage of discharged liquid, and And, it is also difficult to generate the leakage from the back side on length direction.
Solution for solving the problem
The absorbent commodity of a scheme (scheme 1) of the invention, has: absorbing main part, the absorption main part has Length direction, width direction and thickness direction, also, in the length direction have abdomen area, crotch part region with And dorsal area, the absorption main part have absorber；And a pair of of leakproof wall portion, the pair of leakproof wall part are not located at The both ends of the width direction for absorbing main part, and the both ends of the length direction are extended continuously to, In,
The leakproof wall part does not include opposite with the absorption main part and is fixed on the base for absorbing main part Portion connect with the inward side ora terminalis in the width direction of the base portion and erects in wearing towards skin forward surface side The first wall portion and connect with the outward side ora terminalis in the width direction of first wall portion and wearing when direction The second wall portion that skin forward surface side erects, also, at least in the dorsal area there is liquid to flow control unit, the liquid Body flowing control unit is configured to include the ora terminalis of the length direction and with defined length direction length and defined Width direction length, the liquid flowing control unit control the standing structure of first wall portion and second wall portion System, so that the flowing of discharged liquid is controlled in the width direction and the thickness direction,
Also, liquid flowing control unit is configured to include: the first joint portion, and first joint portion is by the base portion It is engaged with first wall portion and there is defined length direction length；And second joint portion, second joint portion will First wall portion is engaged with second wall portion, and the inward side ora terminalis in the width direction at second joint portion Length direction length for first joint portion the length direction length more than and less than second joint portion institute The length direction length of the outward side ora terminalis in width direction is stated,
The absorber is configured in the absorption main part, when looking down, the length direction of the absorber On dorsal area side edge it is described compared to being located in the inward side ora terminalis in the width direction at second joint portion The inward side end of the most inward side of length direction and the outward side for being located at the length direction, also, the institute of the absorber Two ora terminalis in width direction are stated at least in the dorsal area compared to the inward side in the width direction of the base portion Ora terminalis is located at the outward side of the width direction.
The absorbent commodity of this programme 1 has following specific structure: with base portion, the first wall portion and the second wall portion There is a pair of of leakproof wall portion liquid to flow control unit at least in dorsal area, liquid flowing control unit be configured to include: Base portion is engaged and is had with the first wall portion the first joint portion of defined length direction length；And second joint portion, institute It states the second joint portion and engages first wall portion with second wall portion, and the width direction at second joint portion On inward side ora terminalis length direction length be first joint portion the length direction length more than and less than described The length direction length of outward side ora terminalis in the width direction at the second joint portion, also, absorber is led in the absorption Body is configured in portion, and when looking down, the dorsal area side edge on the length direction of the absorber compares described second The inward side end of the most inward side positioned at the length direction in inward side ora terminalis in the width direction at joint portion And it is located at the outward side of the length direction, also, two ora terminalis in the width direction of the absorber are at least described It is located at the outward side of the width direction in dorsal area compared to the inward side ora terminalis in the width direction of the base portion, because This can use above-mentioned first wall portion and the second wall portion formed with enough standings in aforesaid liquid flowing control unit Height and the specific standing structure for the discharged liquid being discharged from wearer with enough durabilities.This programme 1 as a result, Absorbent commodity will can be discharged on one side from wearer and towards long on the surface of the opposite surface side of skin for absorbing main part The discharged liquid of the outward side of degree direction and width direction flowing, which is enclosed in, is formed in the specific of aforesaid liquid flowing control unit Erect structure and absorb main part skin forward surface between blank part in and blocked, make on one side above-mentioned discharged liquid via The surface for absorbing the opposite surface side of skin of main part is absorbed the absorption of the absorber in main part, moreover, can be on one side by direction The discharged liquid of the outward side flowing of length direction is guided using the inward side that aforesaid liquid flows control unit towards width direction, and one While the absorber for being absorbed above-mentioned discharged liquid via the surface for the opposite surface side of skin for absorbing main part in main part absorbs.
As a result, the absorbent commodity of this programme 1 is reliably prevented from the side leakage of discharged liquid, and, it is also difficult to it produces The raw leakage from the back side on length direction.
In addition, in another program (scheme 2) of the invention, in the absorbent commodity of above scheme 1, the absorber With following outer shape: in the crotch part region, with two ora terminalis phases in the width direction of the absorber Described in mode direction than the inward side that the inward side ora terminalis in the width direction of the base portion is located at the width direction The inward side of width direction attenuates.
In the absorbent commodity of this programme 2, absorber has following outer shape: in the crotch part region, With two ora terminalis in the width direction of the absorber compared to the inward side ora terminalis in the width direction of the base portion Inward side positioned at mode towards the width direction of the inward side of the width direction attenuates, therefore, in the crotch part area In domain, the freedom degree of deformation and the movement of the pair of leakproof wall portion is high, and a pair of leakproof wall portion can be made to follow on one side and worn The body shape (shape of crotch part) of wearer is close on one side.The absorbent commodity of this programme 2 is difficult to the body in wearer as a result, Gap is formed between body (crotch part) and a pair of of leakproof wall portion, therefore, the side leakage of discharged liquid can be more reliably prevented from.
In yet another aspect (scheme 3) of the invention, in the absorbent commodity of above scheme 1 or 2, the absorber exists In the abdomen area and the dorsal area, two ora terminalis in the width direction of the absorber compare described second Outward side ora terminalis in the width direction at joint portion is located at the outward side of the width direction.
In the absorbent commodity of this programme 3, in the abdomen area and the dorsal area, the absorber Two ora terminalis in the width direction are located at described compared to the outward side ora terminalis in the width direction at second joint portion The outward side of width direction, therefore, even if (that is, discharged liquid is easy along gravity direction (court in that case of wearer couches To absorb main part width direction outward side direction) flowing in that case of), also can use above-mentioned absorber can The discharged liquid flowed towards the outward side of width direction is absorbed by ground, the side leakage of discharged liquid can be more reliably prevented from.
In yet another aspect (scheme 4) of the invention, in the absorbent commodity either in above scheme 1~3, institute Stating absorption main part includes a pair of of embossed portion, and the pair of embossed portion is respectively arranged at the width by extending along the length direction The width direction first area and width direction second area that direction central axial line divides, and from skin forward surface described It is recessed on thickness direction,
Width direction length until the inward side ora terminalis in the width direction of the embossed portion to the base portion, The combined length of the width direction length of the width direction length of first wall portion and second wall portion, than from described wide Width direction length until spending direction central axial line to the embossed portion is long.
In the absorbent commodity of this programme 4, absorbing main part includes above-mentioned a pair of of embossed portion, also, from the embossing The width of the width direction length until inward side ora terminalis, first wall portion in portion to the width direction of the base portion The combined length of the width direction length of direction length and second wall portion is configured to than from the width direction axis of centres Width direction length until line to the embossed portion is long, and therefore, the pair of embossed portion becomes bending starting point, the absorption master Body portion is easy the width direction central portion to extend along the width direction central axial line for absorbing main part towards skin phase To surface side mode outstanding (that is, with cross sectional shape of alongst central axial line for substantially w-shaped mode) deformation, and And the standing height of the pair of leakproof wall portion is easy to become than towards the skin forward surface side width direction center outstanding The projecting height in portion is high.
The absorbent commodity of this programme 4 can make the skin phase for absorbing the width direction central portion of main part as a result, It is close to or approaches with the crotch part of wearer to face, so that absorber is made to be easy to absorb the discharged liquid being discharged from wearer, also, The side leakage of discharged liquid can be more reliably prevented from.
In yet another aspect (scheme 5) of the invention, in the absorbent commodity either in above scheme 1~4, institute The inward side ora terminalis stated on the length direction at the first joint portion linearly extends along the width direction.
Inward side ora terminalis edge in the absorbent commodity of this programme 5, on the length direction at first joint portion The width direction linearly extend, therefore, be with the inward side ora terminalis on the length direction at first joint portion Starting point and the standing structure of the first wall portion and the second wall portion erected is easy to stablize, can more reliably play aforesaid liquid stream The function of dynamic control unit.
In yet another aspect (scheme 6) of the invention, in the absorbent commodity either in above scheme 1~5, institute It states a pair of of leakproof wall part and does not have and extend when looking down along the length direction and arrange and match in the width direction The more elastomeric elements set, the length side of the elastomeric element of the outward side positioned at the width direction of the more elastomeric elements To length, than the length direction length of the elastomeric element of the inward side positioned at the width direction of the more elastomeric elements It is long.
In the absorbent commodity of this programme 6, be respectively arranged at more elastomeric elements of a pair of of leakproof wall portion is located at institute State the elastic portion of inward side of the length direction length of the elastomeric element of the outward side of width direction than being located at the width direction The length direction length of part is long, and therefore, foreign side's side section in the width direction of the pair of leakproof wall portion is easy dimension The standing structure formed by first wall portion and the second wall portion is held, may further ensure that and be directed to towards the outer of width direction The durability of the discharged liquid of square side, in addition, in the width direction of the pair of leakproof wall portion inward side part (that is, The part of standing starting point as the pair of leakproof wall portion and as the part at top), deformation, mobile freedom degree are high, The pair of leakproof wall portion can be easily set to be close to while following body shape (shape of crotch part) of wearer.By This, the absorbent commodity of this programme 6 can preferably play the drip-preventing function of above-mentioned a pair of of leakproof wall portion.
In yet another aspect (scheme 7) of the invention, in the absorbent commodity of above scheme 6, the pair of leakage preventing wall That portion is respectively provided with is being formed with shrinking in the length direction using the more elastomeric elements when looking down, along described The constriction zone that length direction extends, the length direction of the part of the inward side positioned at the width direction of the constriction zone Length, the length direction length than the part of the outward side positioned at the width direction of the constriction zone are long.
In the absorbent commodity of this programme 7, in the pair of respective constriction zone of leakproof wall portion, it is located at the width Spend the length direction of the part of outward side of the length direction length of the part of the inward side in direction than being located at the width direction Length is long, and therefore, the part as top is difficult to roll in each of the pair of leakproof wall portion, can more reliably send out Wave the drip-preventing function of above-mentioned a pair of of leakproof wall portion.
In yet another aspect (scheme 8) of the invention, in the absorbent commodity of above scheme 7, the absorber is in institute The boundary part of abdomen area Yu the crotch part region is stated, the length in the width direction with the absorber compares institute The small narrow width part of maximum length in the width direction of the absorber in abdomen area is stated,
The narrow width part is Chong Die with the constriction zone when looking down.
In the absorbent commodity of this programme 8, boundary portion of the absorber in the abdomen area and the crotch part region Point, have the length in the width direction of the absorber than the width of the absorber in the abdomen area The small narrow width part of maximum length on direction, the rigid relative reduction of the absorbent commodity of the part with the narrow width part, therefore, When dressing absorbent commodity, which is easy using the part with above-mentioned narrow width part as starting point and with skin forward surface The mode of the surface indentation of side is bent.Moreover, the absorbent commodity of this programme 8 is when looking down, the narrow width part and above-mentioned contraction Region overlapping, therefore, when dressing absorbent commodity, the big abdomen area of curvature Yu crotch part region boundary part (that is, With the narrow width part be overlapped part in a thickness direction), the surface of the opposite surface side of skin of the second wall portion of leakproof wall portion exists In the state of the form for maintaining the planar substantially parallel with the surface for the opposite surface side of skin for absorbing main part, above-mentioned leakproof wall portion It is easy to erect towards skin forward surface side.
The absorbent commodity of this programme 8 can larger ensure that the part that becomes larger of curvature is (that is, abdomen in wearing as a result, The boundary part in region and crotch part region) leakproof wall portion and wearer skin surface contact area (in other words, in leakproof Between wall portion and the skin surface of wearer, gap can be made to be difficult to be formed), therefore, the side of discharged liquid can be more reliably prevented from Leakage.
In yet another aspect (scheme 9) of the invention, in the absorbent commodity either in above scheme 1~8, institute It states the respective liquid flowing control section of a pair of of leakproof wall portion and is positioned respectively at the abdomen area and the dorsal area,
The absorber is configured in the absorption main part, when looking down, the length direction of the absorber On abdomen area side edge it is described compared to being located in the inward side ora terminalis in the width direction at second joint portion The inward side end of the most inward side of length direction and the outward side for being located at the length direction, also, the institute of the absorber State the width that two ora terminalis in width direction compare the base portion at least in the abdomen area and the dorsal area Inward side ora terminalis on degree direction is located at the outward side of the width direction.
In the absorbent commodity of this programme 9, a pair of of leakproof wall portion respective liquid flowing control section is positioned respectively at abdomen Portion region and dorsal area, also, the absorber is configured in the absorption main part, when looking down, the absorption Abdomen area side edge on the length direction of body is compared to the inward side in the width direction at second joint portion The inward side end of the most inward side positioned at the length direction in ora terminalis and be located at the length direction outward side, and And two ora terminalis in the width direction of the absorber are at least compared in the abdomen area and the dorsal area Inward side ora terminalis in the width direction of the base portion is located at the outward side of the width direction, therefore, even if dressing Person lain down with prostrate state in that case of (that is, from wearer be discharged discharged liquid be easy to the abdomen towards length direction In that case of the direction flowing of side) etc., the liquid flowing control unit that also can use configuration in abdomen area is reliably prevented The only side leakage of the discharged liquid in the abdomen area, and, it is also difficult to generate the leakage from the abdomen side on length direction.
The effect of invention
According to the present invention it is possible to provide a kind of absorbent commodity, it is reliably prevented from the side leakage of discharged liquid, also, It is difficult to generate the leakage from the back side on length direction.
Detailed description of the invention
Fig. 1 is the top view under the unfolded state of the diaper 1 of an embodiment of the present invention.
Fig. 2 is the end view drawing under natural conditions in the section of the II-II line along Fig. 1 of diaper 1.
Fig. 3 is the end view drawing under natural conditions in the section of the III-III line along Fig. 1 of diaper 1.
Fig. 4 is the end view drawing under natural conditions in the section of the IV-IV line along Fig. 1 of diaper 1.
Fig. 5 is the end view drawing under natural conditions in the section of the V-V line along Fig. 1 of diaper 1.
Fig. 6 is the end view drawing under natural conditions in the section of the line VI -- VI along Fig. 1 of diaper 1.
Fig. 7 is the perspective view of diaper 1.
Specific embodiment
Hereinafter, the preferred embodiment of absorbent commodity of the invention is described in detail with reference to the attached drawings.It should be noted that It in the present specification, unless otherwise specified, will be " from upper side (the case where object be absorbent commodity of vertical direction Down it is surface patch side) it observes on the thickness direction of object (such as absorbent commodity, absorber etc.) and is placed with unfolded state Object in the horizontal plane " referred to as " is overlooked ".Here, " unfolded state " refers to the object made Fang Zhis in the horizontal plane The state extended in a manner of along horizontal plane, also, by the state extended from the status releasing of the elongation (for example, object Object has shunk a degree of state etc. using elastomeric element etc.) it is known as " nature ".
About the various directions etc. used in the present specification, unless otherwise specified, then above-mentioned various directions etc. as It is lower described.
In the present specification, " length direction " refer to " longitudinally long object when vertical view (for example (,) absorbent commodity, Absorb main part, absorber etc.) the longer direction of length ", " width direction " refers to " longitudinally long object when vertical view The shorter direction (short side direction) of length ", " thickness direction " refers to " placing object in the horizontal plane with unfolded state The vertical direction of object ", these length directions, width direction and thickness direction are respectively at mutually orthogonal relationship.It needs It is bright, in the present specification, length direction, width direction and the thickness direction of absorbent commodity, with the composition absorbability Length direction, width direction and the thickness direction of the absorption main part of article respectively correspond.
Also, it in the present specification, will be " on the length direction of longitudinally long object, relative to positioned at the object Length direction center and the length direction central axial line C that extends in the width directionWRelatively close proximal side " is known as " inward side of length direction ", will be " on the length direction of longitudinally long object, relative to the length direction central axial line CWThe far side being relatively distant from " is known as " outward side of length direction ".It similarly, will be " in the width side of longitudinally long object Upwards, relative to the center for the width direction for the being located at the object and along its length width direction central axial line C that extendsL Relatively close proximal side " is known as " inward side of width direction ", will " in the width direction of longitudinally long object, relatively In the width direction central axial line CLThe far side being relatively distant from " is known as " outward side of width direction ".
In addition, in the present specification, it will be " on the length direction of absorbent commodity or absorption main part, in absorbability object Region corresponding with the abdomen of wearer when the wearing of product " is known as " abdomen area ", " in absorbent commodity or will absorb main part Length direction on, in the wearing of absorbent commodity with the back of wearer to the corresponding region of buttocks " be known as " back region Domain ", will " in absorbent commodity or absorb on the length direction of main part, be located at the abdomen area and the dorsal area it Between and the region corresponding with the crotch part of wearer in the wearing of absorbent commodity " be known as " crotch part region ".Here, At the time of " when wearing " refers to having dressed absorbent commodity from wearer (that is, at the time of foring the state being able to use) It maintains during the state (during wearing).
Also, in the present specification, unless otherwise specified, in absorbent commodity or the thickness direction of absorption main part On, it will be known as that " skin is opposite " in the wearing of absorbent commodity, the relatively close proximal side of skin surface relative to wearer " " in the wearing of absorbent commodity, far side that the skin surface relative to wearer is relatively distant from " is known as " non-skin by surface side " The opposite surface side of skin ".It should be noted that in the present specification, sometimes by absorbent commodity and various structure members (for example, Absorb main part, surface patch, absorber, back sheet, lateral plate etc.) " surface of the opposite surface side of skin " and " non-skin is opposite The surface of surface side " is briefly referred to as " skin forward surface " and " non-skin forward surface ".
Fig. 1 is the top view under the unfolded state of the diaper 1 of an embodiment of the present invention, and Fig. 2~Fig. 6 is diaper 1 respectively II-II line~line VI -- VI section along Fig. 1 end view drawing under natural conditions, Fig. 7 is the perspective view of diaper 1.
As shown in Figure 1, when the diaper 1 (an example of absorbent commodity of the invention) of an embodiment of the present invention has vertical view Longitudinally long outer shape with length direction L and width direction W, specifically, there is the length direction L substantially Center portion is (that is, with crotch part region ACCorresponding part) towards the inward side general hourglass that attenuates of width direction W Outer shape.It should be noted that in the present invention, the outer shape of absorbent commodity is not limited to such form, as long as It is the elongate in shape of broad-ruler modest ability of the length dimension than width direction W of length direction L, can uses and various uses Deng the corresponding arbitrary shape (such as rectangle, ellipse, Pear-Shaped etc.) longitudinally grown.
The diaper 1 of present embodiment by a pair of of lateral plate 4,4 (leakproof wall portion) and has absorber 21 as shown in Figures 1 and 2 Absorption main part 2 constitute, the main part 2 that absorbs has length direction L, width direction W and thickness direction with diaper 1 The corresponding length direction of T, width direction and thickness direction, and there is abdomen area A in the length directionF、 Crotch part region ACAnd dorsal area AB, the pair of lateral plate 4,4 is located at the two of the width direction W of the absorption main part 2 End and the both ends for extending continuously to the length direction L.
As shown in Fig. 1~Fig. 6, it absorbs main part 2 to have: being located at the liquid permeability of the opposite surface side of skin in the thickness directiont Surface patch 22, positioned at the opposite surface side of non-skin opaque liquid back sheet 23 and between these pieces and have It can absorb and keep 2 layers of absorbed layer of the discharged liquids such as urine (specifically, inhaling to be located relatively at the first of the opposite surface side of skin Receive layer 21A and the second absorbed layer 21B positioned at the opposite surface side of non-skin) absorber 21, absorb main part 2 be configured to It utilizes above-mentioned absorber 21 to absorb while being impregnated with the discharged liquids such as the urine being discharged from wearer in the thickness directiont and protects It holds.
On the other hand, as shown in Fig. 1~Fig. 6, a pair of of lateral plate 4,4 (leakproof wall portion) is configured in the skin for absorbing main part 2 The opposite surface side of skin (more specifically, being the opposite surface side of skin of surface patch 22) and absorption main part 2 are opposite, are located at absorption Both ends on the width direction W of main part 2 and the both ends of the length direction L are extended continuously to (that is, length direction Abdomen area side end and dorsal area side end on L), also, a pair of of lateral plate 4,4 is respectively provided with: it is located at and absorbs main body The inward side of the width direction W in portion 2 and the free end not engaged with the surface of the opposite surface side of skin for absorbing main part 2 Portion and positioned at absorb main part 2 width direction W outward side and with it is described absorb main part 2 the opposite surface side of skin Surface engagement fixation end.
A pair of lateral plate 4,4 is respectively in the wearing of diaper 1, the end of the inward side of the width direction W as free end Edge (that is, inward side ora terminalis of width direction W) can be erected towards skin forward surface side and formed as prevent from wearer arrange A pair of of leakproof wall portion that the leakage preventing wall of the side leakage of the discharged liquids such as urine out functions.
It should be noted that as shown in Figure 1, a pair of of lateral plate 4,4 respectively near the inward side end edge portion of width direction W, Alongst L configured with make a pair of lateral plate 4,4, to shrink diaper 1 in the length directionl the pair of to promote in turn Lateral plate 4,4 respective width direction W inward side ora terminalis standing 5 (more) elastomeric element EL.
Moreover, in the diaper 1 of present embodiment, as shown in Fig. 2~Fig. 5, the leakproof wall portion that is formed by a pair of of lateral plate 4,4 It is respectively provided with: the base portion 41 that is opposite and being fixed on the absorption main part 2 with above-mentioned absorption main part 2；In the base portion 41 The opposite surface side of skin is connect and in wearing towards skin forward surface with the inward side ora terminalis on the width direction W of the base portion 41 Side erect (more specifically, the inward side of length direction L be partially toward skin forward surface side standing) the first wall portion 42； And the outward side ora terminalis on the opposite surface side of skin of first wall portion 42 and the width direction W of first wall portion 42 is connect And in wearing towards skin forward surface side erect (more specifically, the inward side of length direction L is partially toward skin What forward surface side erected) the second wall portion 43, also, in the abdomen area AFAnd the dorsal area ABIn have liquid flow Dynamic control unit FC, liquid flowing control unit FCBe configured to include the length direction L of lateral plate 4 ora terminalis and have defined length Direction length and defined width direction length are spent, which flows control unit FCControl the first wall portion 42 and the second wall portion 43 standing structure, to control the flowing for the discharged liquid being discharged from wearer on width direction W and thickness direction T.
Also, as shown in figure 5, the liquid flows control unit FCIt is configured to include: to engage the first wall portion 42 with base portion 41 (more specifically, base portion 41 is engaged with the part of the outward side on the respective length direction L of the first wall portion 42) and have First joint portion 44 of defined length direction length；And the first wall portion 42 is engaged with second wall portion 43 (more specific Ground is said, the first wall portion 42 is engaged with the part of the outward side on the respective length direction L of the second wall portion 43), and width side The length direction length of inward side ora terminalis on W is the length direction length at the first joint portion 44 more than and less than width direction Second joint portion 45 of the length direction length of the outward side ora terminalis on W.
It should be noted that flowing control unit F with liquid in a pair of of leakproof wall portionCCompared in length direction L The part of square side (in the above-described embodiment, is abdomen area AFLiquid flow control unit FCWith dorsal area ABLiquid flow Dynamic control unit FCBetween leakproof wall portion) do not have such as liquid flowing control unit FCAs being controlled like that standing structure Structure (that is, controlling structure as the flowing of discharged liquid in particular directions), it is identical with common leakage preventing wall as having The standing non-controlling portion S of structure and functionPAnd it is formed (referring to Fig. 2).
Moreover, as shown in Figure 1, absorber 21 absorb main part 2 in be configured to, when looking down, the length of absorber 21 Dorsal area side edge 21E on the L of direction1Compared to being located in the inward side ora terminalis on the width direction W at the second joint portion 45 The inward side end 45E of the most inward side of length direction LiAnd it is located at the outward side of length direction L, also, the width of absorber 21 Two ora terminalis on the W of direction are spent (that is, the side ora terminalis 21E on width direction W3And other side ora terminalis 21E4) in dorsal area AB In compared to the inward side ora terminalis on the width direction W of base portion 41 be located at the outward side of width direction W.
It should be noted that in the diaper 1 of present embodiment, as shown in Figure 1, absorber 21 is absorbing in main part 2 It is configured to, when looking down, the abdomen area side edge 21E on the length direction L of absorber 212Compared to being configured at abdomen area AF Liquid flow control unit FCThe second joint portion 45 width direction W on inward side ora terminalis in positioned at length direction L The inward side end 45E of most inward sideiAnd it is located at the outward side of length direction L, also, on the width direction W of absorber 21 Two ora terminalis are (that is, the side ora terminalis 21E on width direction W3And other side ora terminalis 21E4) in abdomen area AFIn compare base portion 41 Width direction W on inward side ora terminalis be located at the outward side of width direction W.
The diaper 1 of present embodiment especially has following specific structure: have above-mentioned base portion 41, the first wall portion 42 and A pair of of leakproof wall portion of second wall portion 43 is at least in dorsal area ABIn have liquid flow control unit FC, liquid flowing control Portion FCIt is configured to include: the first joint portion for the first wall portion 42 being engaged and being had defined length direction length with base portion 41 44；And the first wall portion 42 is engaged with the second wall portion 43, and the length direction length of the inward side ora terminalis on width direction W For the first joint portion 44 length direction length more than and less than outward side ora terminalis on width direction W length direction length Second joint portion 45, also, above-mentioned absorber 21 is configured in absorption main part 2, when looking down, the length of the absorber 21 Dorsal area side edge 21E on the L of direction1Compared to being located in the inward side ora terminalis on the width direction W at the second joint portion 45 The inward side end 45E of the most inward side of length directioniAnd it is located at the outward side of length direction L, also, the width of absorber 21 Two ora terminalis on the W of direction are at least in dorsal area ABIn compared to base portion 41 width direction W on inward side ora terminalis be located at width Therefore the outward side of direction W flows control unit F in aforesaid liquidCIn, as shown in Fig. 2, can use above-mentioned first wall portion 42 And second wall portion 43 formed have it is enough erect height and for the discharged liquid that is discharged from wearer with enough resistance to The specific standing structure of long property.As a result, diaper 1 can on one side will from wearer be discharged and absorb main part 2 skin phase To on the surface of surface side towards the outward side of length direction L and width direction W flow discharged liquid be enclosed in be formed in it is above-mentioned Liquid flows control unit FCSpecific standing structure and absorb main part 2 the opposite surface side of skin surface between blank part FSIn and blocked, so that above-mentioned discharged liquid is absorbed absorption in main part 2 via the surface patch 22 for absorbing main part 2 on one side Body 21 absorbs, moreover, aforesaid liquid flowing control can be utilized the discharged liquid flowed towards the outward side of length direction L on one side Portion FCIt is guided towards the inward side of width direction W, is absorbed above-mentioned discharged liquid via the surface patch 22 for absorbing main part 2 Absorber 21 in main part 2 absorbs.
As a result, diaper 1 is reliably prevented from the side leakage of discharged liquid, and, it is also difficult to it generates from length direction L Back side leakage.
It should be noted that a pair of of respective liquid of leakproof wall portion flows control unit F in the diaper 1 of present embodimentC Not only it is configured at dorsal area AB, and it is configured at abdomen area AF, also, be configured to absorbing in main part 2, absorber Abdomen area side edge 21E on 21 length direction L2Compared to being configured at abdomen area AFLiquid flow control unit FC? The inward side end 45E of the most inward side positioned at length direction L in inward side ora terminalis on the width direction W at two joint portionsi And it is located at the outward side of length direction L, also, two ora terminalis on the width direction W of absorber 21 are (that is, one on width direction W Side edge 21E3And other side ora terminalis 21E4) in abdomen area AFIn also compared to base portion 41 width direction W on inward side end Edge is located at the outward side of width direction W, therefore, even if (that is, from wearing in that case of wearer is lain down with prostrate state The discharged liquid of person's discharge is easy in that case of flowing to the direction of the abdomen side towards length direction L) etc., also it can use It is configured at abdomen area AFLiquid flow control unit FCIt is reliably prevented abdomen area AFIn discharged liquid side leakage, also, Also it is difficult to generate the leakage from the abdomen side on length direction L.
Hereinafter, 1 pair of the diaper various parts for constituting absorbent commodity of the invention using above embodiment are more detailed Ground is illustrated.
<absorbing main part>
In the diaper 1 of an embodiment of the present invention, as shown in Figure 1, when looking down, absorbing main part 2 has and diaper 1 Length direction L, width direction W and the corresponding length direction of thickness direction T, width direction and thickness direction, and With the plan view shape as diaper 1 longitudinally long outer shape (that is, length direction L with crotch part region ACIt is corresponding It is partially toward the outer shape for the general hourglass that the inward side of width direction W attenuates).
It should be noted that in the present invention, the outer shape for absorbing main part is not limited to as the present embodiment Form, as long as the length dimension on length direction can be adopted than the elongate in shape of the broad-ruler modest ability in width direction With the arbitrary shape (such as rectangle, ellipse, Pear-Shaped etc.) longitudinally grown corresponding with various uses etc..In addition, at this In invention, absorb the length direction length, width direction length, thickness direction length (thickness) of main part if etc. various sizes It is not special with defined absorbability, flexibility, to adaptability of body shape of wearer etc. as absorption main part It does not limit, can use and the corresponding arbitrary sizes such as the size of wearing subject person, gender, absorption object, purposes.
In the above-described embodiment, as shown in Fig. 1~Fig. 6, main part 2 is absorbed to have in the thickness directiont positioned at skin The surface patch 22 of the liquid permeability of opposite surface side, positioned at the opposite surface side of non-skin opaque liquid back sheet 23 and be located at upper State between each and can absorb and keep the discharged liquids such as urine by 2 layers of absorbed layer (that is, the first absorbed layer 21A and the Two absorbed layer 21B) absorber 21 that constitutes is used as main structural components, also, in the present embodiment, the overleaf skin of piece 23 The opposite surface side of skin (that is, between absorber 21 and back sheet 23) has the back film 24 of opaque liquid.
Hereinafter, using the diaper 1 of above embodiment to the absorption main body that can be used in absorbent commodity of the invention The various structure members in portion are illustrated in more details.
[surface patch]
In the above-described embodiment, as shown in Figures 1 and 2, the surface configured in the opposite surface side of skin for absorbing main part 2 Piece 22 extends to dorsal area side end from the abdomen area side end for the length direction L for absorbing main part 2 when looking down, and And from absorb main part 2 in absorber 21 width direction W on side ora terminalis 21E3It extends about to other side ora terminalis 21E4Near, the whole substantially rectangular outer shape with longer longitudinally length in the length directionl.
It should be noted that in absorbent commodity of the invention, as long as the size shape of surface patch can be by absorber The opposite surface side of skin surface major part (for example, being more than the 50% of the surface area of the skin opposite surface side of absorber Part etc.) covering, and be not particularly limited, arbitrary size shape corresponding with various uses etc. can be used.
In the above-described embodiment, as shown in Fig. 1~Fig. 6, surface patch 22 is matched on the thickness direction T for absorbing main part 2 It sets in the opposite surface side of skin that can be directly contacted with the skin surface of wearer, by the excretion such as urine being discharged from wearer can be made The liquid-permeable sheet that absorber 21 of the liquid to configuration in the opposite surface side of non-skin of the surface patch 22 shifts rapidly is constituted.
In the present invention, there is each of the surface patch that can be used as absorbent commodity as long as can be used as the liquid-permeable sheet of surface patch Kind characteristic (such as liquid permeability, skin feel, flexibility, intensity etc.) is just not particularly limited, such as it is preferable to use hot winds The fibers such sheets such as non-woven fabrics or woven fabric such as non-woven fabrics, spun bond nonwoven fabric, point bonded nonwoven fabric；Resin film is implemented multiple The perforated film etc. of aperture.It should be noted that above-mentioned fiber such sheets, which also can use surfactant, implements hydrophilicity-imparting treatment. In such liquid-permeable sheet, consider from the excellent this respect such as liquid permeability, flexibility, intensity, it is preferable to use fiber such sheets, into And more preferably using non-woven fabrics such as hot-wind nonwoven cloth, spun bond nonwoven fabrics.
In addition, structural fibers are simultaneously not particularly limited, example in the case where using above-mentioned fiber such sheets as surface patch Polyethylene, polypropylene olefine kind resin such as can be used；By polyester resins such as polyethylene terephthalate, polylactic acid The resin fibre that equal thermoplastic resins are constituted can be used alone resin for these resins, can also use together Two or more resins.It should be noted that the structure of resin fibre also and is not particularly limited, such as core-sheath-type also can be used The composite fibres such as fiber, odd-shaped cross section fiber type, stereo crimped fiber etc..
Also, the processing using surfactant, hydrophilic agent etc. for example can be implemented (for example, to fibre in above-mentioned resin fibre Dimension is internal to rub into surfactant, to fiber surface coated surfaces activating agent etc.) etc. hydrophilicity-imparting treatments, alternatively, it is also possible to comprising The arbitrary additive such as deodorant, antibacterial agent.It should be noted that can be used alone and add for these additives Add agent, two or more additives can also be used together.
In the present invention, if can be used as the liquid-permeable sheet of surface patch weight per unit area have defined liquid permeability, Flexibility and intensity are just not particularly limited, such as in 5g/m2~100g/m2In the range of, preferably in 10g/m2~50g/m2 In the range of.As long as it should be noted that the thickness of the liquid-permeable sheet liquid-permeable sheet can be as the surface patch of absorbent commodity It functions and is just not particularly limited, it can be using corresponding with desired liquid permeability, flexibility, intensity etc. arbitrary thick Degree.
In addition, as long as can be used as the structure of the liquid-permeable sheet of surface patch has defined liquid permeability, flexibility and intensity Just be not particularly limited, for example, it is preferable to use the liquid-permeable sheet of the structure with general planar, in the opposite surface side of skin Surface has the liquid-permeable sheet etc. of concaveconvex structure.
[back sheet]
In the above-described embodiment, as shown in Figures 1 and 2, the back configured in the opposite surface side of non-skin for absorbing main part 2 Dough sheet 23 extends to dorsal area side end from the abdomen area side end for the length direction L for absorbing main part 2 when looking down, and And end side is extended to from the side end for the width direction W for absorbing main part 2, it is whole to have and absorb 2 phase of main part With longitudinally long outer shape (that is, length direction L with crotch part region ACIt is corresponding to be partially toward the interior of width direction W The outer shape for the general hourglass that square side attenuates).
It should be noted that in absorbent commodity of the invention, as long as the size shape of back sheet can be covered at least The whole surface of the opposite surface side of the non-skin of absorber, and be not particularly limited, it can use corresponding with various uses etc. Arbitrary size shape.
In addition, in the above-described embodiment, as shown in Fig. 1~Fig. 6, the configuration of back sheet 23 is in the thickness for absorbing main part 2 The opposite surface side of the non-skin of direction T, by playing work in a manner of not making the discharged liquids such as the urine being discharged from wearer escape to outside Opaque liquid piece is constituted.
In the present invention, there is the back sheet that can be used as absorbent commodity as long as can be used as the opaque liquid piece of back sheet Various characteristics (such as opaque liquid, flexibility, intensity, preferably gas permeability etc.) are just not particularly limited, for example, can preferably make With resin films such as polyethylene, polypropylene；Laminated body made of non-woven fabrics is bonded on resin film；Hydrophobic nonwoven, layer Press non-woven fabrics such as non-woven fabrics (such as SMS non-woven fabrics) etc..It should be noted that stating feelings of the non-woven fabrics as back sheet in use Under condition, the type of the non-woven fabrics is simultaneously not particularly limited, and it is, for example, possible to use spun bond nonwoven fabric, point bonded nonwoven fabric, melt-blown nothings The arbitrary non-woven fabrics such as woven fabric, SMS non-woven fabrics.Also, the structural fibers of the non-woven fabrics also and are not particularly limited, for example, can be with Use the polyolefin resins such as polyethylene, polypropylene；By thermoplastic resins such as the polyester resins such as polyethylene terephthalate The resin fibre that rouge is constituted can be used alone resin for these resins, can also be together using two or more Resin.It should be noted that the structure of resin fibre also and is not particularly limited, for example, it is also possible to each using core sheath fiber type etc. Kind composite fibre etc..
In the present invention, can be used as the opaque liquid piece (such as non-woven fabrics etc.) of back sheet if weight per unit area tool There are defined opaque liquid (anti-leakage) and intensity to be just not particularly limited, for example, in 5g/m2~100g/m2In the range of, It is preferred that in 10g/m2~50g/m2In the range of.As long as it should be noted that the thickness of the opaque liquid piece opaque liquid piece can Back sheet as absorbent commodity, which functions, to be just not particularly limited, and can be used and desired opaque liquid, softness Property, the corresponding arbitrary thickness such as intensity, gas permeability.
In addition, in the above-described embodiment, as shown in Fig. 2~Fig. 6, overleaf the opposite surface side of the skin of piece 23 is (that is, absorb Between body 21 and back sheet 23), the back side configured with the opaque liquid with the size shape roughly the same with back sheet 23 is thin Film 24.The back film 24 is made of thermoplastic resin membranes such as polyethylene, in the same manner as back sheet 23, prevents from arranging from wearer The transmission of the discharged liquids such as urine out plays a role in such a way that the discharged liquid is not to leakages such as the clothes of wearer.
It should be noted that if absorbent commodity has such back film, then it can more effectively inhibit the row such as urine The leakage of drainage, but the back film is not required structural element in absorbent commodity of the invention, it is therefore, of the invention Absorbent commodity may not possess such back film.
[absorber]
In the above-described embodiment, as shown in Figure 1, absorber 21 when looking down from absorb main part 2 length direction L on Abdomen area AF(more specifically, be length direction L abdomen area side end near) extend to dorsal area AB(more Say to body, be near the dorsal area side end of length direction L), also, from absorb main part 2 width direction W on width Direction first area AW1(more specifically, be width direction W a side end near) extend to width direction second area AW2 (more specifically, be width direction W end side near), it is whole that there is longer and length side in the length directionl To L and crotch part region ACThe outer shape for the general hourglass that the corresponding inward side for being partially toward width direction W attenuates.
It should be noted that the size shape of absorber is not limited to this embodiment party in absorbent commodity of the invention The form of formula, as long as the length dimension at least on length direction is reached from the abdomen area on the length direction for absorbing main part The longer elongate in shape of this degree of dorsal area, can be using the arbitrary shape longitudinally grown corresponding with various uses etc. Shape (such as rectangle, ellipse, Pear-Shaped etc.).
In the above-described embodiment, as shown in Fig. 1~Fig. 6, absorber 21 is matched on the thickness direction T for absorbing main part 2 It sets between surface patch 22 and back sheet 23 (more specifically, between surface patch 22 and back film 24), by absorb simultaneously Keep having penetrated 2 layers of absorbed layer that the mode of the discharged liquids such as the urine of wearer of surface patch 22 plays a role (that is, first absorbs Layer 21A and the second absorbed layer 21B) it constitutes.
Above-mentioned 2 layers of absorbed layer is absorbing in main part 2, (is not schemed by the arbitrary engagement means such as hot melt adhesive Show) by be relatively configured the first absorbed layer 21A in the opposite surface side of skin be relatively configured in the opposite surface side of non-skin the Two absorbed layer 21B engagement, and above-mentioned absorber 21 is constituted as one thing.
In 2 layers of absorbed layer of absorber 21, the first absorbed layer 21A is constituted when looking down from the length for absorbing main part 2 Spend the abdomen area A on the L of directionF(more specifically, be length direction L abdomen side end near) extend to dorsal area AB (more specifically, be length direction L back side end near), also, from absorb main part 2 width direction W on width Spend direction first area AW1(more specifically, be width direction W a side end near) extend to width direction second area AW2(more specifically, be width direction W end side near), it is longer and long in the length directionl by integrally having Spend direction L with crotch part region ACThe shape for the general hourglass that the corresponding inward side for being partially toward width direction W attenuates The absorbent members of shape are constituted.It should be noted that in the present embodiment, which forms absorber 21 Vertical view when outer shape.
On the other hand, the second absorbed layer 21B is when looking down from the abdomen area A on the length direction L for absorbing main part 2F (more specifically, be length direction L abdomen side end near) extend to dorsal area ABIt (more specifically, is length side To near the back side end of L), but on width direction W, the both ends edge of width direction W is inhaled with being located at than first respectively Two ora terminalis of the width direction W of layer 21A are received (that is, the side ora terminalis 21E on width direction W3And other side ora terminalis 21E4) by width The mode for spending the inward side of direction W extends, by integrally having the suction of longer substantially rectangular outer shape in the length directionl The property received component is constituted.The second absorbed layer 21B being relatively configured in the opposite surface side of non-skin is formed in this way, so that first inhales The step for receiving the ora terminalis part of the width direction W of layer 21A and the second absorbed layer 21B is difficult to the person's of being worn perception.
In the present invention, it can be used as constituting the first absorbed layer of above-mentioned absorber and the absorbent members of the second absorbed layer It is not particularly limited as long as it can absorb and keep the discharged liquids such as urine, the arbitrary absorption being known in the art can be used Property component.As absorbent members as described above, it can be used for example and covered using with cores covering pieces such as hydrophilic paper handkerchiefs Cover absorbent members made of the absorbent cores being made of arbitrary absorbent material etc..Also, as the above-mentioned absorbent cores of composition Hydrophilic fibre, superabsorbent polymer etc. can be used for example in absorbent material, more specifically, crushing paper can be used The cellulosic fibres such as slurry, cotton, artificial silk, acetate fiber；The grain being made of superabsorbent polymers such as sodium acrylate copolymers Shape object etc..For these absorbent materials, absorbent material can be used alone, it can also be together using two or more Absorbent material.It should be noted that mutually isostructural absorbent members can be used in the first absorbed layer and the second absorbed layer, Also the absorbent members of different structure can be used.
In addition, in the above-described embodiment, as shown in Fig. 1 and Fig. 6, the first absorbed layer 21A is when looking down at least in hip Crotch region ACWidth direction W central portion (that is, with L along its length extend width direction central axial line CLThe portion of overlapping Point), have the through-hole 21A for running through first absorbed layer 21A in the thickness directiontS, also, as shown in Figure 1, the second absorbed layer 21B is also in crotch part region ACWidth direction W central portion and the through-hole with the first absorbed layer 21A in the thickness directiont 21ASThe position of overlapping, have has than through-hole 21A when looking downSSmall size shape and run through second in the thickness directiont The through-hole 21B of absorbed layer 21BS.These through-holes 21ASAnd through-hole 21BSIt is connected to, is integrally formed into thickness in the thickness directiont Run through absorber 21 on the T of direction and perforated area interim different through-hole on thickness direction T.
If absorber has such through-hole, discharged liquid can be promoted to the absorption of thickness direction T, therefore, Ke Yifa Wave superior absorbent properties (especially infiltration rate).
It should be noted that absorber does not need 2 as above embodiment in absorbent commodity of the invention The absorbed layer of layer is constituted, and absorber can also be made of the absorbent members with single layer structure, can also be had three layers by tool above Multilayered structure absorbent members constitute.
As long as can be used as constituting the absorbabilities such as weight per unit area, the thickness of absorbent members of absorbed layer of absorber There are component the various characteristics (such as absorbability, flexibility etc.) that can be functioned as the absorber of absorbent commodity just not have It is particularly limited to, it can be using arbitrary weight per unit area and thickness etc..
In addition, in the above-described embodiment, absorber 21 has following outer shape: in crotch part region ACIn, with Two ora terminalis with width direction W are (that is, the side ora terminalis 21E of width direction W3And other side ora terminalis 21E4) anti-compared to a pair of Inward side ora terminalis on the width direction W of the leakage respective base portion 41 of wall portion is located at the mode of the part of the inward side of width direction W, Attenuate towards the inward side of width direction W.If absorber 21 has such outer shape, in crotch part region ACIn, it inhales The influence of 21 pairs of rigidity of acceptor is small, and the freedom degree of deformation and the movement of above-mentioned a pair of leakproof wall portion increases, therefore, in wearer When having dressed diaper 1, above-mentioned a pair of of leakproof wall portion can be made to follow the body shape (shape of crotch part) one of wearer on one side It is close on side.Therefore, the diaper 1 for having the absorber 21 with such outer shape is difficult to body (crotch part) in wearer Gap is formed between a pair of of leakproof wall portion, therefore, the side leakage of discharged liquid can be more reliably prevented from.
Also, in the above-described embodiment, absorber 21 is in abdomen area AFAnd dorsal area ABIn, it is configured to have Two ora terminalis on the width direction W of absorber 21 are (that is, the side ora terminalis 21E of width direction W3And other side ora terminalis 21E4) phase Outward side ora terminalis on the width direction W at the second joint portion 45 more respective than a pair of of leakproof wall portion is located at the foreign side of width direction W The part of side.If absorber 21 is configured so that, even if in that case of wearer couches (that is, be discharged from wearer Discharged liquid is easy along gravity direction (more specifically, towards the direction of the outward side for the width direction W for absorbing main part 2) flowing In that case of), it also can use the discharged liquid for the outward side flowing that absorber 21 is reliably absorbed towards width direction W, The side leakage of discharged liquid can be more reliably prevented from.
It should be noted that a pair of of respective liquid of leakproof wall portion flows control unit in absorbent commodity of the invention It is at least configured at dorsal area, but in the diaper of above embodiment 1, liquid flows control unit FCIt is respectively arranged at abdomen Portion region AFAnd dorsal area AB, also, as shown in Figure 1, absorber 21 absorb main part 2 in be configured to, when looking down, Abdomen area side edge 21E on the length direction L of the absorber 212Compared to being configured at abdomen area AFLiquid flow control Portion FCThe second joint portion 45 width direction W on inward side ora terminalis in the most inward side positioned at length direction L interior side Side end 45EiAnd it is located at the outward side of length direction L, also, two ora terminalis on the width direction W of absorber 21 are (that is, width The side ora terminalis 21E of direction W3And other side ora terminalis 21E4) in abdomen area AFIn compared to base portion 41 width direction W on Inward side ora terminalis is located at the outward side of width direction W.
If absorber 21 is configured so that, even if (that is, from wearing in that case of wearer is lain down with prostrate state The discharged liquid of person's discharge is easy along gravity direction (more specifically, towards the outward side for the width direction W for absorbing main part 2 Direction) flowing in that case of), also can use and be configured at above-mentioned abdomen area AFLiquid flow control unit FCReliably Prevent abdomen area AFIn discharged liquid side leakage, and, it is also difficult to generate from the leakage of the abdomen side on length direction L.
[embossed portion]
In the above-described embodiment, absorbing main part 2 has a pair of of embossed portion 3,3, which is respectively configured In the width direction central axial line C extended by L along its lengthLThe width direction first area A of divisionW1And width direction Two region AW2And it is recessed in the thickness directiont from skin forward surface.As shown in Figure 1, a pair of embossed portion 3,3 is respectively provided with Crotch part region ACIn along its length L extend linear plan view shape, moreover, absorb main part 2 thickness direction T On be recessed from the opposite surface side of skin, also, surface patch 22 and absorber 21 are integrally formed by compressing.It should be noted that Such embossed portion can by using heating or non-heated arbitrary embossing processing mechanism from skin forward surface in thickness side Absorption main part is compressed on T and is formed.
Moreover, in the present embodiment, a pair of of embossed portion 3,3 is configured to, from the embossed portion 3 to the width direction of base portion 41 The width direction length of the width direction length until inward side ora terminalis, the first wall portion 42 on W and the width of the second wall portion 43 The combined length for spending direction length, than from above-mentioned width direction central axial line CL(specifically, to embossing until embossed portion 3 Until the center line of the width direction in portion 3) width direction length it is long.If a pair of of embossed portion 3,3 is configured so that, a pair of pressure Flower portion 3,3 becomes bending starting point, absorbs main part 2 and is easy along the width direction central axial line C for absorbing main part 2LExtend Width direction central portion towards skin forward surface side mode outstanding (that is, with alongst central axial line CWSection Shape is substantially w-shaped mode) deformation, moreover, the standing height of above-mentioned a pair of leakproof wall portion is easy to become than towards skin phase Projecting height to surface side width direction central portion outstanding is high, therefore, can make the width direction central portion for absorbing main part 2 Skin forward surface be close to the crotch part of wearer or close, so that absorber 21 be made to be easy to absorb the row being discharged from wearer Drainage, further, it is possible to be more reliably prevented from the side leakage of discharged liquid.
It should be noted that as long as a pair of of embossed portion can become the bending starting point for absorbing main part, in above-mentioned implementation Such function and effect can be similarly played in mode other than mode, therefore, in the present invention, a pair of of embossed portion is not necessarily It needs to be formed in such a way that surface patch and absorber are integrated as embodiment described above, for example, it is also possible to only be formed in suction Acceptor.
In addition, in the present invention, the plan view shape of embossed portion is simultaneously not particularly limited, except straight line as above embodiment It, can also be using arbitrary shapes such as wave threadiness, curve-like, zigzags except shape.It should be noted that the embossed portion is at this Structural element is not required in the absorbent commodity of invention, therefore, absorbent commodity of the invention can also not have in this way Embossed portion.
<leakproof wall portion>
In the diaper 1 of above embodiment, a pair of of leakproof wall portion absorbs the width direction W of main part 2 by being located at Both ends and extend continuously to length direction L both ends a pair of of lateral plate 4,4 formation.It should be noted that at this A pair of of lateral plate 4,4 is configured near the inward side end edge portion of width direction W respectively can make a pair of lateral plate 4,4 in length side The 5 elastomeric element EL shunk on L.
Hereinafter, a pair of of leakproof using the diaper 1 of above embodiment to being capable of forming in absorbent commodity of the invention The various structure members of wall portion are illustrated in more details.
[lateral plate]
In the above-described embodiment, a pair of of lateral plate 4,4 (more specifically, exists in the opposite surface side of skin for absorbing main part 2 The opposite surface side of the skin of surface patch 22) configuration is at the both ends for the width direction W for absorbing main part 2, by the wearing of diaper 1 Inward side ora terminalis on width direction W erect and can be functioned as leakage preventing wall, longer a pair in the length directionl Band-like opaque liquid piece is formed.
In the present invention, there is the lateral plate that can be used as absorbent commodity as long as can be used as the band-like opaque liquid piece of lateral plate Various characteristics (such as opaque liquid, skin feel, flexibility, intensity (especially wet when intensity) etc.) just do not limit especially Fixed, it is, for example, possible to use hydrophobic nonwovens (for example, having hydrophobicity or imparting hydrophobic, spun bond nonwoven fabric, point Bonded nonwoven fabric, SMS non-woven fabrics etc.)；Synthetic resin made membrane with opaque liquid；Their laminated body etc..
As long as can be used as band-like outer shape, weight per unit area, thickness of opaque liquid piece of lateral plate etc. not interfere Effect of the invention is just not particularly limited, and can use corresponding with desired opaque liquid, skin feel, flexibility etc. Arbitrary outer shape, weight per unit area, thickness etc..
In the above-described embodiment, a pair of of lateral plate 4,4 can form a pair of of leakproof wall portion respectively, which exists When the wearing of diaper 1, the inward side ora terminalis of the width direction W as free end is erected towards skin forward surface side, and conduct Prevent the leakage preventing wall of the side leakage of the discharged liquids such as the urine being discharged from wearer from functioning.As described above, above-mentioned a pair of leakproof wall portion It is respectively provided with: opposite and be fixed on the base portion 41 of the absorption main part 2 with main part 2 is absorbed；In the skin of the base portion 41 Opposite surface side is connect with the inward side ora terminalis on the width direction W of the base portion 41, and when dressing length direction L inward side Be partially toward skin forward surface side standing the first wall portion 42；And in the opposite surface side of skin of first wall portion 42 and this Outward side ora terminalis connection on the width direction W of first wall portion 42, and in wearing the inward side of length direction L part court The second wall portion 43 erected to skin forward surface side, also, in abdomen area AFAnd dorsal area ABHas aforesaid liquid flowing Control unit FC, liquid flowing control unit FCBe configured to include the length direction L of lateral plate 4 ora terminalis and have defined length Direction length and defined width direction length, also, control unit F is flowed than the liquid being located atCIn length direction L The part of square side, which has, erects non-controlling portion SP, standing non-controlling portion SPWith structure identical with common leakage preventing wall and Function.
As described above, liquid flows control unit FCIt is configured to include: by base portion 41 and the respective length side of the first wall portion 42 The part of outward side on L engages and the first joint portion 44 with defined length direction length；And by the first wall Portion 42 is engaged with the part of the outward side on the respective length direction L of the second wall portion 43, and the inward side end on width direction W The length direction length of edge is the length direction length at the first joint portion 44 more than and less than the outward side ora terminalis on width direction W Length direction length the second joint portion 45, liquid flow control unit FCTo above-mentioned first wall portion 42 and the second wall portion 43 It erects structure to be controlled, is formed in liquid flowing control unit F so as to which the discharged liquid being discharged from wearer to be enclosed inC's Erect the blank part F between the surface of the opposite surface side of skin of structure and absorption main part 2SIn and blocked, further, it is possible to The discharged liquid of the outward side flowing of length direction L is directed towards in a manner of towards the inward side of width direction W.
In addition, above-mentioned a pair of lateral plate 4,4 is distinguished in the position of the outward side than liquid flowing control unit Fc by width direction W It is engaged with absorber 21 (more specifically, being the first absorbed layer 21A), also, (hereinafter, sometimes referred to as, " third is connect at the joint portion Conjunction portion ") on width direction W two ora terminalis of the configuration on the width direction W with absorber 21 (that is, the width side of absorber 21 Side ora terminalis 21E on W3And other side ora terminalis 21E4) position that is overlapped in the thickness directiont or than two ora terminalis by wide Spend the position of the inward side of direction W.Joint portion, that is, third joint portion of a pair of lateral plate 4,4 and absorber 21 a pair of of lateral plate 4, 4 erect when forming leakage preventing wall to skin forward surface side, are the parts of the starting point as the leakage preventing wall, and are also by liquid flow The discharged liquid that dynamic control unit Fc controls flowing is possible to remaining part, if but the configuration of such third joint portion in institute as above State two ora terminalis on the width direction W with absorber 21 in the thickness directiont be overlapped position or than two ora terminalis by width side To the inward side of W position (that is, absorber 21 extended on width direction W it is be overlapped in the thickness directiont with third joint portion Position or than third joint portion by width direction W outward side position), even if then residual near the third joint portion or its The discharged liquid stayed is wanted also to can use to extend to the exudation of the outward side of width direction W via surface patch 22 etc. to connect with third Position that conjunction portion is overlapped in the thickness directiont or than third joint portion by the absorber 21 of the position of the outward side of width direction W Extension, absorb the discharged liquid, therefore, the side leakage of discharged liquid can be more reliably prevented from.
It should be noted that in the present invention, the configuration at above-mentioned third joint portion can be applied to abdomen area with And either in dorsal area or both sides, but the dorsal area preferably at least easily applied applied to the body pressure-volume of wearer.It should Dorsal area be easy because the body of wearer pressure due to generate discharged liquid exudation region, therefore, can more effectively play by The configuration bring function and effect at above-mentioned third joint portion.
In addition, in the present invention, a pair of of lateral plate and the engaged configuration for absorbing main part are not limited to such form, example Such as, above-mentioned a pair of of lateral plate can also lean on the outward side of width direction and the back film of opaque liquid than liquid flowing control unit Or back side chip bonding, in this case, the lateral plate and back film or back sheet that also can use the opaque liquid engaged come Inhibit discharged liquid to ooze out to width direction outward side, therefore, the side leakage of discharged liquid can be more reliably prevented from.
In the present invention, can be used in forming the joint portions such as above-mentioned first joint portion, the second joint portion, third joint portion Engagement means are not particularly limited as long as long as interfering effect of the invention, such as can be bonded hand using hot melt adhesive etc. The arbitrary engagement means such as the depositions means such as section, ultrasonic wave coating.
Moreover, in the above-described embodiment, liquid flows control unit FCThe first joint portion 44 length direction L on it is interior Square side edge linearly extends along width direction W.In this way, if inward side end on the length direction L at the first joint portion 44 Edge linearly extends along width direction W, then using the inward side ora terminalis on the length direction L at first joint portion 44 as starting point And the standing structure of the first wall portion 42 and the second wall portion 43 erected is easy to stablize, and can more reliably play aforesaid liquid stream Dynamic control unit FCFunction.
In addition, in the present embodiment, as described above, liquid flows control unit FCIt is respectively arranged at abdomen area AFAnd Dorsal area AB, absorber 21 absorb main part 2 in be configured to, when looking down, the abdomen area side edge on length direction L 21E2Compared in the inward side ora terminalis on the width direction W at the second joint portion 45 in the most inward side of length direction L Square side end 45EiAnd it is located at the outward side of length direction L, also, two ora terminalis on the width direction W of absorber 21 at least exist Abdomen area AFAnd dorsal area ABIn compared to base portion 41 width direction W on inward side ora terminalis be located at width direction W outside Square side, therefore, even if (that is, the discharged liquid being discharged from wearer is easy in that case of wearer is lain down with prostrate state In that case of the direction flowing towards the abdomen side of length direction L), it also can use and be configured at abdomen area AFLiquid Body flows control unit FCIt is reliably prevented abdomen area AFIn discharged liquid side leakage, and, it is also difficult to generate from length direction The leakage of abdomen side on L.
[elastomeric element]
In the above-described embodiment, as shown in Figure 1, a pair of of lateral plate 4,4 is attached in the inward side end edge portion of width direction W respectively Closely, alongst L configured with promoting in width direction W for shrinking a pair of lateral plate 4,4 in the length directionl 5 (more) elastomeric element EL of the standing of square side edge.
In the present invention, as long as more elastomeric elements for being configured at a pair of of lateral plate being capable of absorption main body to unfolded state The material for the convergent force that portion's (specifically, via a pair of of lateral plate to absorption main part) applies length direction does not just limit especially It is fixed, the rubber covered wire being made of natural rubber, flat rubber can be used for example；By polyurethane, ethylene-vinyl acetate copolymer (EVA) etc. thermoplastic elastomer (TPE)s be configured to it is linear or band-like made of the arbitrary elastomeric element such as elastomeric element.
As long as the size shape that can be used in the elastomeric element of absorbent commodity of the invention can make to be unfolded via lateral plate The absorption main part of state is shunk in the longitudinal direction to be just not particularly limited, can be using the purposes with absorbent commodity, ruler Very little equal corresponding arbitrary size shape.As size shape as described above, for example, the length direction length of elastomeric element is 1/4 or more of the overall length of absorbent commodity, preferably 1/3 or more, fiber number preferably exist in the range of 200dtex~800dtex In the range of 300dtex~700dtex.It should be noted that as long as the radical of elastomeric element also can make to be unfolded via lateral plate The absorption main part of state is shunk in the longitudinal direction to be just not particularly limited, and elastomeric element can be respectively in a pair of of leakproof wall portion Each configuration 1,2,3 with first-class arbitrary radical.
In addition, being respectively arranged at 5 (more) of a pair of of leakproof wall portion (lateral plate) in the diaper 1 of above embodiment Elastomeric element EL is as shown in Figure 1, the length direction length positioned at the elastomeric element EL of the outward side of width direction W is formed as than position It is long in the length direction length of the elastomeric element EL of the inward side of width direction W.In this way, if being located at the outward side of width direction W Elastomeric element EL length direction length be formed as than positioned at width direction W inward side elastomeric element EL length direction Length is long, then foreign side's side section on the width direction W of a pair of of leakproof wall portion, is easy to maintain by the first wall portion 42 and second The standing structure that wall portion 43 is formed may further ensure that the durability of the discharged liquid for the outward side towards width direction W, On the other hand, the inward side part on the width direction W of a pair of of leakproof wall portion is (that is, the standing as a pair of of leakproof wall portion rises The part put and the part as top), deformation, mobile freedom degree increase, and can easily make a pair of of leakproof wall portion one While the body shape (shape of crotch part) for following wearer is close on one side.As a result, configured with such more elastomeric elements Diaper 1 can preferably play the drip-preventing function of a pair of of leakproof wall portion.
In addition, a pair of of leakproof wall part does not have utilizes more elasticity when looking down in the diaper 1 of above embodiment Constriction zone that component EL can be formed with shrinking in the length directionl, that L extends along its length, the position of the constriction zone Length direction length in the part of the inward side of width direction W is formed as the part than the outward side positioned at width direction W Length direction length is long.In this way, in a pair of of respective constriction zone of leakproof wall portion, if be located at the inward side of width direction W Partial length direction length is formed as longer than the length direction length of the part of the outward side positioned at width direction W, then conduct The part at top is difficult to roll in each of a pair of of leakproof wall portion, can more reliably play the anti-of a pair of leakproof wall portion Leak function.
Also, in the above-described embodiment, as shown in Figure 1, absorber 21 includes wide width part 21M, wide width part 21M is In abdomen area AFThe longest part of length on the width direction W of middle absorber 21；And narrow width part 21N, narrow width part 21N In abdomen area AFWith crotch part region ACBoundary part, the length on the width direction W of absorber 21 is than wide width part 21M's Length on width direction W is (that is, abdomen area AFIn absorber 21 width direction W maximum length) small, the narrow width part 21N is Chong Die with above-mentioned constriction zone when looking down.In this way, in abdomen area AFWith crotch part region ACBoundary part, if having Length on the width direction W of absorber 21 is than abdomen area AFIn absorber 21 width direction W on maximum length it is small Narrow width part 21N, then with narrow width part 21N part diaper 1 rigid relative reduction, therefore, when dressing diaper 1, The diaper 1 is easy curved in a manner of the surface indentation of the opposite surface side of skin using the part with above-mentioned narrow width part 21N as starting point It is bent.Moreover, the diaper 1 is when looking down, narrow width part 21N is Chong Die with above-mentioned constriction zone, therefore, when dressing the diaper 1, in song The big abdomen area A of rateFWith crotch part region ACBoundary part (that is, with the be overlapped portion in the thickness directiont narrow width part 21N Point), the surface of the opposite surface side of skin of the second wall portion 43 of leakproof wall portion is as shown in fig. 7, in the skin for maintaining with absorbing main part 2 In the state of the form of the substantially parallel planar in the surface of the opposite surface side of skin, above-mentioned leakproof wall portion is easy towards the opposite surface side of skin It erects.The diaper 1 can larger ensure that the part that becomes larger of curvature is (that is, abdomen area A in wearing as a result,FWith crotch part area Domain ACBoundary part) leakproof wall portion and wearer skin surface contact area (in other words, in leakproof wall portion and wearer Skin surface between, gap can be made to be difficult to be formed), therefore, the side leakage of discharged liquid can be more reliably prevented from.
The present invention can also be applied to such as disposable diaper, physiology health in addition to the diaper of above embodiment The various absorbent commodities such as towel, incontinence pad.In addition, absorbent commodity of the invention is not limited to above embodiment, do not departing from It in the range of the purpose of the present invention, purport, can be appropriately combined, replacement, change etc..It should be noted that in this specification In, the ordinal numbers such as " first ", " second " are used to distinguish the item of the subsidiary ordinal number, be not meant to the sequence of each item, priority, Different degree etc..
Description of symbols
1 diaper (absorbent commodity)
2 absorb main part
21 absorbers
The first absorbed layer of 21A
The second absorbed layer of 21B
21E1Dorsal area side edge
21E2Abdomen area side edge
21E3Side ora terminalis in width direction
21E4Other side ora terminalis in width direction
Wide width part in 21M abdomen area
21N narrow width part
22 surface patch
23 back sheets
24 back films
3 embossed portions
4 lateral plates (leakproof wall portion)
41 base portions
42 first wall portions
43 second wall portions
44 first joint portions
45 second joint portions
45EiInward side end
AFAbdomen area
ACCrotch part region
ABDorsal area
AW1Width direction first area
AW2Width direction second area
EL elastomeric element
FCLiquid flows control unit

Claims (9)

1. a kind of absorbent commodity, has: absorb main part, the absorptions main part with length direction, width direction and Thickness direction, also, there is abdomen area, crotch part region and dorsal area in the length direction, the absorption master Body portion has absorber；And a pair of of leakproof wall portion, the pair of leakproof wall part are not located at the described of the absorption main part The both ends of width direction, and extend continuously to the both ends of the length direction, wherein
The leakproof wall part do not include it is opposite with the absorption main part and be fixed on the base portion for absorbing main part, It is connect with the inward side ora terminalis in the width direction of the base portion and in wearing towards the standing of skin forward surface side It first wall portion and is connect with the outward side ora terminalis in the width direction of first wall portion and in wearing towards skin The second wall portion that skin forward surface side erects, also, at least in the dorsal area there is liquid to flow control unit, the liquid Flowing control unit, which is configured to, to be included the ora terminalis of the length direction and has defined length direction length and defined width Direction length is spent, the liquid flowing control unit controls the standing structure of first wall portion and second wall portion System, so that the flowing of discharged liquid is controlled in the width direction and the thickness direction,
Also, liquid flowing control unit is configured to include: the first joint portion, and first joint portion is by the base portion and institute The first wall portion is stated to engage and there is defined length direction length；And second joint portion, second joint portion will be described First wall portion is engaged with second wall portion, and the length of the inward side ora terminalis in the width direction at second joint portion Degree direction length is the width of the length direction length more than and less than second joint portion at first joint portion The length direction length of the outward side ora terminalis on direction is spent,
The absorber is configured in the absorption main part, when looking down, on the length direction of the absorber Dorsal area side edge is located at the length compared in the inward side ora terminalis in the width direction at second joint portion The inward side end of the most inward side in direction and the outward side for being located at the length direction, also, the width of the absorber Two ora terminalis on direction are spent at least in the dorsal area compared to the inward side ora terminalis in the width direction of the base portion Positioned at the outward side of the width direction.
2. absorbent commodity as described in claim 1, wherein
The absorber has following outer shape: in the crotch part region, with the width side of the absorber Two upward ora terminalis are located at the inward side of the width direction compared to the inward side ora terminalis in the width direction of the base portion The inward side of mode towards the width direction attenuate.
3. absorbent commodity as claimed in claim 1 or 2, wherein
The absorber in the abdomen area and the dorsal area, in the width direction of the absorber two Ora terminalis is located at the outward side of the width direction compared to the outward side ora terminalis in the width direction at second joint portion.
4. absorbent commodity according to any one of claims 1 to 3, wherein
The absorption main part includes a pair of of embossed portion, and the pair of embossed portion is respectively arranged at by extending along the length direction The width direction first area that divides of width direction central axial line and width direction second area, and from skin forward surface It is recessed on the thickness direction,
It is width direction length until the inward side ora terminalis in the width direction of the embossed portion to the base portion, described The combined length of the width direction length of the width direction length of first wall portion and second wall portion, than from the width side Width direction length until central axial line to the embossed portion is long.
5. absorbent commodity as described in any one of claims 1 to 4, wherein
Inward side ora terminalis on the length direction at first joint portion linearly extends along the width direction.
6. such as absorbent commodity according to any one of claims 1 to 5, wherein
The pair of leakproof wall part, which does not have, to extend along the length direction when looking down and arranges in the width direction The more elastomeric elements for arranging and configuring, the elastomeric element of the outward side positioned at the width direction of the more elastomeric elements Length direction length, than the length direction of the elastomeric element of the inward side positioned at the width direction of the more elastomeric elements Length is long.
7. absorbent commodity as claimed in claim 6, wherein
The pair of leakproof wall part does not have in the length direction can using the more elastomeric elements when looking down Constriction zone that ground is formed, extending along the length direction is shunk, the constriction zone is located at the interior of the width direction The length direction length of the part of square side, than the length of the part of the outward side positioned at the width direction of the constriction zone Direction length is long.
8. absorbent commodity as claimed in claim 7, wherein
Boundary part of the absorber in the abdomen area and the crotch part region, the width with the absorber Spend narrow smaller than the maximum length in the width direction of the absorber in the abdomen area of length on direction Portion,
The narrow width part is Chong Die with the constriction zone when looking down.
9. such as absorbent commodity according to any one of claims 1 to 8, wherein
In each of the pair of leakproof wall portion, liquid flowing control section be positioned respectively at the abdomen area and The dorsal area,
The absorber is configured in the absorption main part, when looking down, on the length direction of the absorber Abdomen area side edge is located at the length compared in the inward side ora terminalis in the width direction at second joint portion The inward side end of the most inward side in direction and the outward side for being located at the length direction, also, the width of the absorber Spend the width side that two ora terminalis on direction compare the base portion at least in the abdomen area and the dorsal area Upward inward side ora terminalis is located at the outward side of the width direction.
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CN104379105A (en) * 2012-06-11 2015-02-25 Sca卫生用品公司 Absorbent article

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