CN109715115A - Absorbent commodity - Google Patents

Absorbent commodity Download PDF

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Publication number
CN109715115A
CN109715115A CN201680089289.6A CN201680089289A CN109715115A CN 109715115 A CN109715115 A CN 109715115A CN 201680089289 A CN201680089289 A CN 201680089289A CN 109715115 A CN109715115 A CN 109715115A
Authority
CN
China
Prior art keywords
nonwoven layer
absorbent commodity
outer peripheral
peripheral edge
panty liner
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
CN201680089289.6A
Other languages
Chinese (zh)
Other versions
CN109715115B (en
Inventor
藤川久实
野口顺一
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 CN109715115A publication Critical patent/CN109715115A/en
Application granted granted Critical
Publication of CN109715115B publication Critical patent/CN109715115B/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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51104—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • 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
    • A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • 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
    • 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
    • A61F13/534—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 an inhomogeneous composition through the thickness of the pad
    • A61F13/535—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 an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
    • A61F13/536—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 an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes having discontinuous areas of compression
    • 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
    • A61F13/539—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 characterised by the connection of the absorbent layers with each other or with the outer layers
    • 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
    • A61F2013/4708—Panty-liner
    • 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
    • A61F13/51—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 outer layers
    • A61F2013/51078—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 outer layers being embossed
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
    • A61F2013/51178—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers with the combination of nonwoven webs
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
    • A61F2013/51182—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers with non-continuous bonding
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F2013/51338—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having improved touch or feeling, e.g. smooth film
    • 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
    • A61F13/534—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 an inhomogeneous composition through the thickness of the pad
    • A61F2013/53445—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 an inhomogeneous composition through the thickness of the pad from several sheets

Abstract

The present invention, which provides, a kind of is not easy absorbent commodity that foreign body sensation is brought to wearer, that wearing feeling is excellent.Absorbent commodity of the invention includes the liquid-permeable sheet that the 1st nonwoven layer (2) and the 2nd nonwoven layer (3) are bonded together at joint portion (7) and are formed, 1st nonwoven layer (2) there are the convex strip portions (21) continuously extended along scheduled 1st direction and concave part (22) alternately to configure along 2nd direction orthogonal with the 1st direction and the specific sag and swell (20) that is formed, and, end (24) on the 2nd direction of 1st nonwoven layer (2) does not engage with the 2nd nonwoven layer (3) and projects upwardly into the outside of the outer peripheral edge portion of the absorbent commodity in the 2nd side.

Description

Absorbent commodity
Technical field
The present invention relates to the absorbent commodities such as panty liner, light incontinence pad, sanitary napkin.
Background technique
All the time, for the absorbent commodities such as panty liner, light incontinence pad, sanitary napkin, seek rapidly Ground, which absorbs the liquid discharges such as urine, menses and keeps it from, leaks into external ability, in addition, in recent years in addition to such ability Except, also seek skin sense of touch, etc. excellent to stickiness, the wearing feeling of the body of wearer.
Such as Patent Document 1 discloses a kind of absorbent commodities, are overlapped by multiple sheet materials, have along longitudinal direction The left and right sides edge of extension and leading edge potion and trailing edge potion are to be formed as lengthwise, wherein absorbent commodity exists crossing In the range of the cross central line being divided into two on longitudinal direction and the predetermined length extended longitudinally, in the inside of the two sides edge Equipped with the 1st group of multiple pressure contact portions, the 1st group of multiple pressure contact portions are at predetermined spaced intervals and the shape with the two sides edge Shape is similarly arranged in a column, is respectively equipped with the arrangement side along multiple pressure contact portions in the two sides that the pressure contact portion is formed by column To the crimpless region of extension.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2004-8596 bulletin
Summary of the invention
Problems to be solved by the invention
If being equipped with as the absorbent commodity disclosed in patent document 1 in the inside of the outer peripheral edge portion of absorbent commodity Multiple pressure contact portions of circular arc sealing etc., then the harder pressure contact portion of hardness is not easy and the huckle of wearer, butt crack portion etc. Skin face is in contact, thus have be not easy to bring to wearer because of the pressure contact portion caused by foreign body sensation etc. the advantage that.
But in the absorbent commodity disclosed in patent document 1, absorbent commodity be located at and be formed in surface Direction (i.e. the length direction of absorbent commodity) orthogonal direction that the ridge portion of the ridge slot construction of piece and groove portion are extended (absorbs The width direction of property article) on both ends outer peripheral edge portion at, the 1st surface of the absorbent commodity will be constituted using bonding agent Piece, the 2nd surface patch, intermediate and back sheet are bonded together and make their integrations, form hardness harder hard portions (ginseng According to Fig. 2 and Fig. 3 of patent document 1), therefore the hard portions can connect with the skin face in the huckle of wearer, butt crack portion etc. It touches and brings foreign body sensation to wearer, it is possible to be unable to get good wearing feeling.
Therefore, the object of the present invention is to provide it is a kind of be not easy to bring foreign body sensation to wearer, wearing feeling it is excellent Absorbent commodity.
The solution to the problem
A technical solution (technical solution 1) of the invention is a kind of absorbent commodity, and it includes the 1st nonwoven layers and 2 nonwoven layers are bonded together at joint portion and the liquid-permeable sheet that is formed, and the 1st nonwoven layer forms skin opposite face, should 2nd nonwoven layer is adjacent with the non-skin opposite face of the 1st nonwoven layer, wherein
There is 1st nonwoven layer convex strip portions and concave part to replace along 2nd direction orthogonal with scheduled 1st direction The sag and swell of ground configuration and formation, the convex strip portions are on the thickness direction of the absorbent commodity towards skin opposite face pleurapophysis Continuously extend out and along the 1st direction, which is recessed towards non-skin with respect to surface side on the thickness direction And continuously extend along the 1st direction, and at least part concave part at the joint portion with the 2nd nothing Woven fabric layer engages,
Also, the 1st nonwoven layer is longer than the described 2nd by the length on the 2nd direction in the state of trailing Length on the 2nd direction of nonwoven layer, the non-woven fabrics of the convex strip portions can be formed formed,
End on the 2nd direction of 1st nonwoven layer does not engage and with the 2nd nonwoven layer in institute State the outside that the 2nd side projects upwardly into the outer peripheral edge portion of the absorbent commodity.
In the absorbent commodity of the technical solution 1, since the end on the 2nd direction of the 1st nonwoven layer does not have It is engaged with the 2nd nonwoven layer and (following in the outside that the 2nd side projects upwardly into the outer peripheral edge portion of the absorbent commodity Sometimes by the 1st nonwoven layer, in the part that the 2nd side projects upwardly into the outside of the outer peripheral edge portion of absorbent commodity (include End.) referred to as " protrusion of the 1st nonwoven layer ".), therefore for the absorbent commodity, it is described when wearing The protrusion of 1st nonwoven layer is easy in a manner of the hard portions for the outer peripheral edge portion for covering absorbent commodity between wearer Skin face and the hard portions between, the hardness for being not easy to experience the outer peripheral edge portion of absorbent commodity can be enabled a wearer to (i.e. the hardness of the hard portions of outer peripheral edge portion).The absorbent commodity of the technical program 1 can enable a wearer to be not easy to produce as a result, Foreign body sensation caused by the raw hardness because of the outer peripheral edge portion of the absorbent commodity, as a result, it is possible to be well maintained by with upper State the excellent wearing feeling for the absorbent commodity that the liquid-permeable sheet of specific sag and swell plays.
In addition, according to the absorbent commodity of the technical solution 1, in another technical solution (technical solution of the invention 2) in, the convex strip portions have hollow internal structure.
It, can since the convex strip portions have hollow internal structure in the absorbent commodity of the technical solution 2 Good resiliency and more soft skin sense of touch are obtained, superior wearing feeling can be obtained as absorbent commodity.
According to the absorbent commodity of the technical solution 1 or 2, in another technical solution (technical solution 3) of the invention In, the joint portion on the outermost side is arranged in the outer peripheral edge from the absorbent commodity on the 2nd direction The cotton ginning portion for the position that portion separates inwardly.
In the absorbent commodity of the technical solution 3, due to the joint portion on the outermost side on the 2nd direction Be arranged in the cotton ginning portion for the position that the outer peripheral edge portion of self-absorption article separates inwardly, thus the 1st nonwoven layer The part (hereinafter sometimes referred to as " end regions " of the part, particularly outside adjacent with the cotton ginning portion on 2nd direction.) It is easy to erect to skin opposite face side to which the outer peripheral edge portion with absorbent commodity (is more particularly the hard portion of outer peripheral edge portion Point) separate.Moreover, because the end regions energy of separated the 1st nonwoven layer of the outer peripheral edge portion of self-absorption article as It is functioned as padded coaming, therefore the skin face of wearer is more not easy across the prominent of the 1st above-mentioned nonwoven layer It is partially in contact out with the outer peripheral edge portion of absorbent commodity, can enable a wearer to more be not easy to experience absorbent commodity The hardness of outer peripheral edge portion.
Further, since above-mentioned cotton ginning portion is configured at the position that the outer peripheral edge portion of self-absorption article separates inwardly, because This i.e. huckle, butt crack portion for enabling a wearer to etc. skin face across the 1st nonwoven layer protrusion and and absorbent commodity Outer peripheral edge portion contact indirectly, the harder part of hardness caused by the outer peripheral edge portion is also not present because of cotton ginning portion can More it is not easy to bring foreign body sensation to wearer.
According to any one absorbent commodity in the technical solution 1~3, in another technical solution (skill of the invention Art scheme 4) in, the 1st nonwoven layer has the thickness bigger than the thickness of the 2nd nonwoven layer.
In the absorbent commodity of the technical solution 4, since the 1st nonwoven layer is with bigger than the thickness of the 2nd nonwoven layer Thickness, therefore can ensure in the 1st nonwoven layer the recovery for the compression on thickness direction of convex strip portions Power can play higher cushion performance.In addition, if to above-mentioned 1st nonwoven layer using such convex strip portions restoring force compared with Big non-woven fabrics, then it is outer on the in-plane for the outer peripheral edge portion that the end of the 1st nonwoven layer is easy to be projected into absorbent commodity Side, therefore can more reliably obtain the such effect effect of excellent wearing feeling that can be well maintained above-mentioned absorbent commodity Fruit.
According to any one absorbent commodity in the technical solution 1~4, in another technical solution (skill of the invention Art scheme 5) in, the 1st nonwoven layer has the restoring force bigger than the restoring force of the 2nd nonwoven layer.
In the absorbent commodity of the technical solution 5, since the 1st nonwoven layer has the restoring force than the 2nd nonwoven layer Big restoring force, therefore higher cushion performance can be played, and the end of the 1st nonwoven layer is easy to be projected into absorbability object Outside on the in-plane of the outer peripheral edge portion of product, therefore can more reliably obtain and can be well maintained above-mentioned absorbability object Function and effect as the excellent wearing feeling of product.
According to any one absorbent commodity in the technical solution 1~5, in another technical solution (skill of the invention Art scheme 6) in, the absorbent commodity has the outer shape of lengthwise, and the outer shape of the lengthwise has orthogonal length It spends direction and width direction, the 1st direction is parallel with the length direction.
In the absorbent commodity of the technical solution 6, the 1st direction that extends due to convex strip portions and concave part with there is lengthwise Outer shape absorbent commodity length direction it is parallel, therefore the excretas such as the urine ejected can be enabled a wearer to along upper It states concave part to spread on the length direction of absorbent commodity, on this basis can also improve the skin face for wearer Stickiness.
Also, in the absorbent commodity of the technical solution 6, due to being particularly easy to and the huckle of wearer, butt crack portion Deng the outer peripheral edge portion of the end in the width direction of absorbent commodity that is in contact of skin face by the 1st above-mentioned non-woven fabrics The protrusion of layer covers and is not easy directly to contact with the skin face of wearer, therefore even if what convex strip portions and concave part extended Direction is the length direction of absorbent commodity, is also not easy to bring foreign body sensation to wearer, is able to maintain that good wearing feeling.
According to any one absorbent commodity in the technical solution 1~6, in another technical solution (skill of the invention Art scheme 7) in, the height of the end regions for being located at the position than the joint portion in the outer part of the 1st nonwoven layer is less than The height of the convex strip portions.
In the absorbent commodity of the technical solution 7, since the height of the end regions of the 1st nonwoven layer is less than convex strip portions Height, therefore the protrusion of the 1st above-mentioned nonwoven layer more easily covers the outer peripheral edge portion of absorbent commodity, Neng Gougeng Reliably enable a wearer to not allow to be also easy to produce foreign body sensation caused by the hardness because of the outer peripheral edge portion of the absorbent commodity.
The effect of invention
It is not easy absorbability that foreign body sensation is brought to wearer, that wearing feeling is excellent according to the present invention, it is possible to provide a kind of Article.
Detailed description of the invention
Fig. 1 is the partial cutaway perspective view of the panty liner 1 of an embodiment of the invention.
Fig. 2 is the top view of the panty liner 1 of an embodiment of the invention.
Fig. 3 is the broken section along the III-III line in Fig. 2 of the panty liner 1 of an embodiment of the invention Figure.
Fig. 4 is the top view of the panty liner 10 of another embodiment of the invention.
Specific embodiment
Hereinafter, the preferable embodiment of absorbent commodity of the invention is described in detail with reference to accompanying drawings.In addition, in this theory In bright book, informed as long as no special, it just will be " from the upper side in vertical direction along the thickness direction of object to exhibition The object (such as absorbent commodity, surface patch (liquid-permeable sheet) etc.) that the state opened is placed on horizontal plane is observed " letter Referred to as " overlook ".
It is informed as long as no special, various directions as used in this specification etc. are just as follows.
In the present specification, " length direction " refers to " object (such as the absorbent commodity, surface of lengthwise when looking down Piece (liquid-permeable sheet) etc.) the longer direction of length ", " width direction " refer to " when looking down the length of the object of lengthwise compared with Short direction (short side direction) ", " thickness direction " refer to " perpendicular with the object of state placement in the horizontal plane with expansion Direction ".Above-mentioned length direction, width direction and thickness direction are in orthogonal relationship.In addition, in this specification In, " in-plane " refers to " the substantially object (such as absorbent commodity, surface patch (liquid-permeable sheet) etc.) of sheet when looking down The direction (i.e. horizontal plane direction) that is extended of plane ", the in-plane and thickness direction are in orthogonal relationship.
Also, it in the present specification, will be " relatively close to positioned at the object on the length direction of the object of lengthwise Length direction on center and the length direction central axial line C that extends in the width directionWProximal side " be referred to as " length direction On inside ", " the length direction central axial line C will be relatively far from the length direction of the object of the lengthwiseW's Far side " is referred to as " outside in width direction ".It equally, will be " relatively close to position in the width direction of the object of lengthwise The width direction central axial line C extended in the center in the width direction of the object and along its lengthLProximal side " be referred to as " inside in width direction " " will be relatively far from the width direction in the width direction of the object of the lengthwise Entreat axis CLFar side " be referred to as " outside in width direction ".In addition, in the present specification, it will be " in the object of substantially sheet Relatively close to the length direction central axial line C of the object on the in-plane of objectWWith width direction central axial line CLIntersection point Proximal side " be referred to as " inside on in-plane ", " on the in-plane of the object of substantially sheet will be relatively far from this The length direction central axial line C of objectWWith width direction central axial line CLIntersection point far side " be referred to as " on in-plane Outside ".
Moreover, in the present specification, being informed as long as no special, on the thickness direction of absorbent commodity, " will absorb Property article when wearing relatively close to the proximal side in the skin face of wearer " be referred to as " skin surface side ", by " absorbent commodity The skin face that wearer is relatively far from when wearing far side " be referred to as " non-skin surface side ".Here, referring to " when wearing " At the time of putting on absorbent commodity since wearer (at the time of becoming the state being able to use) maintain the state during (during dress).
In addition, in the present specification, various components (such as the surface patch (liquid-permeable sheet), back of absorbent commodity will be constituted Dough sheet (opaque liquid piece) etc.) " surface of the skin with respect to surface side " be referred to as " skin opposite face ", will " non-skin be with respect to surface side Surface " be referred to as " non-skin opposite face ".
Fig. 1 is the partial cutaway perspective view of the panty liner 1 of an embodiment of the invention, and Fig. 2 is bowing for panty liner 1 View, Fig. 3 are the partial sectional views along the III-III line in Fig. 2 of panty liner 1.
As depicted in figs. 1 and 2, the panty liner 1 of an embodiment of the invention is when looking down with the shape of lengthwise Shape, the outer shape have length direction L and width direction W, and more particularly, panty liner 1 has following lengthwise Outer shape: outer peripheral edge portion (the 2nd outer peripheral edge portion E in Fig. 1 and Fig. 2 at the both ends on the length direction L2) respectively By towards the outside on length direction L it is outstanding in a manner of be bent, and substantial middle part on the length direction L is towards wide Spend the inside slightly constriction on the W of direction.
In addition, in the present invention, the outer shape of absorbent commodity is not limited to such form, it can be with various use Ways etc. correspondingly use arbitrary outer shape (such as rectangle, ellipse, hourglass shape etc.).
As shown in FIG. 1 to 3, as basic structure, the panty liner 1 of present embodiment includes: table in the thickness directiont Dough sheet 4, is formed by liquid-permeable sheet, which is located at the skin of panty liner 1 with respect to surface side Da and by with aftermentioned 1st nonwoven layer 2 of specific sag and swell 20 and the 2nd nonwoven layer 3 formation for being laminated in the 1st nonwoven layer 2；Back sheet 6, opaque liquid piece of the non-skin with respect to surface side Db by being located at panty liner 1 is formed；And intermediate 5, it is located at above-mentioned Between surface patch 4 and above-mentioned back sheet 6, surface (i.e. skin opposite face) of the skin of surface patch 4 with respect to surface side Da forms health The non-skin of the skin opposite face of protection pad 1, back sheet 6 forms panty liner 1 with respect to the surface of surface side (i.e. non-skin opposite face) Non- skin opposite face.
Also, as shown in FIG. 1 to 3, panty liner 1 has circular arc sealing, and the circular arc sealing is by 8 shape of cotton ginning portion At when looking down, which (is more particularly located at panty liner 1 in the outer peripheral edge portion from panty liner 1 The 1st outer peripheral edge portion E at the both ends on width direction W1With the 2nd outer peripheral edge portion at the both ends being located on length direction L E2) configured along the outer peripheral edge portion at the position that separates of the inside on in-plane and make the 4 (transparent liquid of surface patch Property piece), the intermediate 5 and the back sheet 6 (opaque liquid piece) it is integrated on the thickness direction T of panty liner 1.This is rolled Flower portion 8 is also an example at " joint portion " of absorbent commodity of the invention in the same manner as aftermentioned joint portion 7.
In addition, in the present embodiment, between surface patch 4 and intermediate 5 and between intermediate 5 and back sheet 6 in addition to By also being engaged respectively by the adhesive layer (not shown) formed by hot melt adhesive except above-mentioned cotton ginning portion 8.
In addition, as shown in figure 3, overleaf the non-skin opposite face of piece 6, will with the bonding part 12 for being fixed on clothing The adhesive continuously extended on width direction W (so-called striated) in such a way that alongst L arranges multiple tracks is matched Set to be formed this for being fixed on the bonding part 12 of clothing, also, on surface of the non-skin of the bonding part 12 with respect to surface side With stripping film 11, which is configured to cover the substantially entire surface of the non-skin opposite face of the back sheet 6, for protecting Bonding part 12 before protecting use.Panty liner 1 configured as described is worn as follows: above-mentioned stripping is peeled when wearing From piece 11, panty liner 1 is consolidated using the bonding part 12 for being fixed on clothing for the non-skin opposite face for being configured at back sheet 6 Due to the surface of the inside of the clothing (such as underwear etc.) of wearer, keep surface patch 4 opposite with the skin face of wearer.
In addition, for forming the adhesive of above-mentioned bonding part, as long as absorbent commodity can be fixed on to dress The clothing of person is just not particularly limited, such as is able to use the arbitrary adhesive containing styrenic etc..In addition, Also there is no particular limitation for the configuration pattern of adhesive, and adhesive both can discontinuously extend on width direction W, can also be It is continuous or discontinuously extend on length direction L.
Moreover, in the panty liner 1 of present embodiment, as shown in figure 3, surface patch 4 is formed by liquid-permeable sheet, the transparent liquid Property piece is will to form the 1st nonwoven layer 2 of the skin opposite face of panty liner 1 and opposite with the non-skin of the 1st nonwoven layer 2 The 2nd adjacent nonwoven layer 3 of face is bonded together at joint portion 7 and is formed, in addition, the 1st nonwoven layer 2 is with convex Article portion 21 and concave part 22 are along 2nd direction D corresponding with the width direction W of panty liner 12It alternately configures and is formed Sag and swell 20, above-mentioned convex strip portions 21 it is prominent towards skin opposite face side on the thickness direction T of panty liner 1 and along with defend The corresponding 1st direction D of length direction L of raw protection pad 11Continuously extend, above-mentioned concave part 22 court on the thickness direction T It is recessed to non-skin with respect to surface side and along the 1st direction D1Continuously extend, and at least part concave part 22 It is bonded together at the joint portion 7 with the 2nd nonwoven layer 3.In addition, above-mentioned 1st nonwoven layer 2 is by the shape that trails The 1st direction D under state1On length be longer than the 1st direction D of the 2nd nonwoven layer 31On length, institute can be formed The non-woven fabrics for stating convex strip portions 21 is formed.
Also, as shown in figure 3, in panty liner 1, the 2nd direction D of the 1st nonwoven layer 22On end 24 not with 2nd nonwoven layer 3 engages and in the 2nd direction D2On be projected into the outer peripheral edge portion of panty liner 1 (i.e. along the 1st direction D1 The 1st outer peripheral edge portion E extended1) outside.
In the panty liner 1 of present embodiment, due to the 2nd direction D of the 1st nonwoven layer 22On end 24 not with 2nd nonwoven layer 3 engages and in the 2nd direction D2On be projected into the outer peripheral edge portion of panty liner 1 (i.e. along the 1st direction D1 The 1st outer peripheral edge portion E extended1) outside, therefore for the panty liner 1, when wearing, as shown in figure 3, the 1st nonwoven The protrusion P of layer of cloth 2TIt is easy to cover the hard portions e of the outer peripheral edge portion of panty liner 11Mode between wearer flesh Skin face and the hard portions e1Between, it can enable a wearer to be not easy to experience the hardness of the outer peripheral edge portion of panty liner 1 (i.e. 1st outer peripheral edge portion E1Hard portions e1Hardness).Panty liner 1 can be not easy to enable a wearer to experience because this is defended as a result, Foreign body sensation caused by the hardness of the outer peripheral edge portion of raw protection pad 1, as a result, it is possible to be well maintained by with above-mentioned specific recessed The excellent wearing feeling that the liquid-permeable sheet of convex construction 20 plays.
In addition, in the present invention, the outer shape of the absorbent commodity when outer peripheral edge portion of absorbent commodity refers to vertical view (but except the protrusion of the 1st nonwoven layer.) outer rim absorb such as in the panty liner 1 of above-mentioned embodiment The outer peripheral edge portion of property article includes the 1st outer peripheral edge portion E at the both ends being located on the width direction W of the panty liner 11With It is located at the 2nd outer peripheral edge portion E at the both ends on length direction L2.Here, the 1st outer peripheral edge portion E1It is the periphery of panty liner 1 It is in edge, along the 1st direction D with the extension of the convex strip portions 21 of the 1st nonwoven layer 21The periphery that substantially parallel direction extends Edge, the 2nd outer peripheral edge portion E2Be it is in the outer peripheral edge portion of panty liner 1, prolong along with the convex strip portions 21 with the 1st nonwoven layer 2 The 1st direction D stretched1The 2nd orthogonal direction D2The outer peripheral edge portion that substantially parallel direction extends.
In addition, in the present invention, it, will be in the 1st nonwoven layer for the convex strip portions and concave part of the 1st nonwoven layer It is located at the highest point comprising convex strip portions on thickness direction and (is located at the position near the opposite surface side of skin on thickness direction Point) including the 1st imaginary horizontal plane and comprising concave part minimum point (i.e. be located at thickness direction near non-skin opposite face The point of the position of side) including the 2nd imaginary horizontal plane centre (i.e. be located at away from the 1st imaginary horizontal plane and it is described 2nd imagination The respective distance of horizontal plane be equidistance position) the 3rd imaginary horizontal plane as benchmark, will be towards skin opposite face pleurapophysis Part out is referred to as convex strip portions, and the part being recessed towards non-skin opposite face is referred to as concave part.
Absorbability object of the invention is constituted hereinafter, being described in more detail using the panty liner 1 of above-mentioned embodiment Various components of product etc..
[surface patch]
In the panty liner 1 of present embodiment, as shown in figures 1 and 3, surface patch 4 is configured at can be with the flesh of wearer Skin that skin face directly contacts, panty liner 1 is formed with respect to the position of surface side Da by liquid-permeable sheet, and health shield will be formed The skin opposite face of pad 1 and with above-mentioned specific sag and swell 20 the 1st nonwoven layer 2 and with the 1st nonwoven layer 2 Adjacent the 2nd nonwoven layer 3 of non-skin opposite face be bonded together to form above-mentioned liquid permeability at the joint portion 7 Piece.
In the present embodiment, as depicted in figs. 1 and 2, when looking down, surface patch 4 is in the length for being located at panty liner 1 Spend the 2nd outer peripheral edge portion E at the both ends on the L of direction2Between extend, and in the width for being located at panty liner 1 Spend the 1st outer peripheral edge portion E at the both ends on the W of direction1Between extend, which has outer with panty liner 1 The outer shape of the identical lengthwise of shape shape.In addition, surface patch (liquid-permeable sheet) is simultaneously unlimited in absorbent commodity of the invention Due to such shape, arbitrary plan view shape and size can be used.
Moreover, in the present embodiment, the liquid-permeable sheet as surface patch 4 is formed by following liquid-permeable sheet, will be formed The skin opposite face of panty liner 1 and with above-mentioned specific sag and swell 20 the 1st nonwoven layer 2 and with the 1st nothing The 2nd adjacent nonwoven layer 3 of the non-skin opposite face of woven fabric layer 2 is bonded together to be formed at the joint portion 7 above-mentioned Liquid-permeable sheet.
As described above, the 1st nonwoven layer 2 for constituting the liquid-permeable sheet have convex strip portions 21 and concave part 22 along with health The corresponding 2nd direction D of the width direction W of protection pad 12The specific sag and swell 20 for alternately configuring and being formed, above-mentioned raised line Portion 21 is prominent with respect to surface side Da towards skin on the thickness direction T of panty liner 1 and along the length direction with panty liner 1 The corresponding 1st direction D of L1Continuously extend, above-mentioned concave part 22 is on the thickness direction T towards non-skin with respect to surface side Db is recessed and along the 1st direction D1Continuously extend, at least part concave part 22 is at the joint portion 7 with the 2 nonwoven layers 3 are bonded together.Here, the 1st nonwoven layer 2 is configured to the 2nd direction D of the 1st nonwoven layer 22On end 24 do not engage with the 2nd nonwoven layer 3 and the end 24 is in the 2nd direction D2On be projected into the periphery of panty liner 1 Edge is (i.e. along the 1st direction D1The 1st outer peripheral edge portion E extended1) outside, the protrusion P of the 1st nonwoven layer 2TIt is easy to cover The hard portions e of the outer peripheral edge portion of lid panty liner 11Skin face and the hard portions e of the mode between wearer1Between.
In addition, in the present invention, above-mentioned have convex strip portions and the specific sag and swell of concave part both can be as this reality The whole region that mode is formed in the 1st nonwoven layer like that is applied, regional area can also be only formed in.
In addition, in the present embodiment, as shown in figure 3, the convex strip portions 21 have the non-skin phase of the 1st nonwoven layer 2 The hollow part 23 that opposite is faced.Although there is the convex strip portions of the 1st nonwoven layer the case where such hollow internal structure to exist Be not required in that structure condition in absorbent commodity of the invention, if but the convex strip portions of the 1st nonwoven layer have it is such Hollow internal structure can then obtain good resiliency and more soft skin sense of touch, can obtain as absorbent commodity Obtain superior wearing feeling.On the other hand, if the convex strip portions of the 1st nonwoven layer have solid internal structure, it is not easy Gap is formed between 1st nonwoven layer and the 2nd nonwoven layer, laterally non-skin is opposite from the skin opposite face of liquid-permeable sheet for liquid The metastatic of surface side transfer is good.
In the present invention, as long as not damaging effect of the invention, the height of the convex strip portions of the 1st nonwoven layer is without special Limitation, such as in the range of 0.01mm~6.0mm, but from the aspect of resiliency, skin sense of touch etc., preferably In the range of 0.1mm~4.0mm, in the range of more preferably 0.1mm~3.0mm.Similarly, as long as not damaging effect of the invention The depth of fruit, the concave part of the 1st nonwoven layer is just not particularly limited, such as in the range of 0.01mm~6.0mm, but from From the aspect of resiliency, skin sense of touch etc., in the range of preferably 0.1mm~4.0mm, more preferably 0.1mm~3.0mm's In range.In addition, in the present specification, " height of convex strip portions " refer to using above-mentioned 2nd imaginary horizontal plane as benchmark face to raised line Height (the distance between i.e. above-mentioned 1st imaginary horizontal plane and above-mentioned 2nd imaginary horizontal plane) until the highest point in portion, " groove The depth in portion " refers to the depth the (the i.e. above-mentioned 1st using above-mentioned 1st imaginary horizontal plane until benchmark face to the minimum point of concave part The distance between imaginary horizontal plane and above-mentioned 2nd imaginary horizontal plane).
In addition, in the panty liner 1 of present embodiment, as shown in figure 3, be configured to, the 1st nonwoven layer 2 be located at than Cotton ginning portion 8 (is equally an example at " joint portion " of the invention with joint portion 7.) position in the outer part end regions AE's Height h is less than the height H of convex strip portions 21.As a result, in panty liner 1, the protrusion P of the 1st above-mentioned nonwoven layer 2TMore The outer peripheral edge portion for being easy to cover panty liner 1 (is more particularly the 1st outer peripheral edge portion E1Hard portions e1), more reliably not It is easy to bring the foreign body sensation because of caused by the hardness of the outer peripheral edge portion of the panty liner 1 to wearer.
In the present invention, as long as not damaging effect of the invention, the convex strip portions of the 1st nonwoven layer and the width of concave part (maximum length i.e. on the 2nd direction of convex strip portions and concave part) is just not particularly limited, such as 0.1mm~15.0mm's In range, but from the aspect of resiliency, skin sense of touch etc., in the range of preferably 0.5mm~10.0mm, more preferably In the range of 1.0mm~5.0mm.
In addition, in the present invention, direction, i.e. the 1st direction that the convex strip portions and concave part of the 1st nonwoven layer extend is not Special limitation, but it is preferred that the length as above-mentioned embodiment with the absorbent commodity of the outer shape with lengthwise It is parallel to spend direction.If the length direction in the 1st direction and absorbent commodity that the convex strip portions and concave part of the 1st nonwoven layer extend is flat Row can then enable a wearer to the excretas such as the urine of discharge and spread on the length direction of absorbent commodity along above-mentioned concave part, The stickiness in the skin face for wearer can also be improved on this basis.Also, it is big with wearer due to being particularly easy to The outer peripheral edge portion for the end in the width direction of absorbent commodity that the skin face in leg, butt crack portion etc. is in contact is (above-mentioned Embodiment the 1st outer peripheral edge portion E1) covered and be not easy with wearer's by the protrusion of the 1st above-mentioned nonwoven layer Skin face directly contacts, therefore even if the extending direction of convex strip portions and concave part is the length direction of absorbent commodity, does not also allow Foreign body sensation easily is brought to wearer, is able to maintain that good wearing feeling.
In addition, in the above-described embodiment, the 1st nonwoven layer 2 (is formed before sag and swell by the state to trail Flat state) under the 1st direction D1On length be longer than the 1st direction D of the 2nd nonwoven layer 31On length non-woven fabrics It is formed, using arbitrary processing method (such as figuration processing under heating condition or under the conditions of non-heated etc.) come to the nonwoven Cloth assigns above-mentioned specific sag and swell 20 to form the 1st nonwoven layer 2.The imparting of the specific sag and swell 20 was both It can carry out, can also substantially simultaneously be carried out with the engagement of the 2nd nonwoven layer 3 before being engaged with the 2nd nonwoven layer 3.
As the non-woven fabrics for forming the 1st nonwoven layer, without special as long as the non-woven fabrics with scheduled liquid permeability Limitation, such as be able to use spunlace non-woven cloth, hot-wind nonwoven cloth, spun-bonded non-woven fabrics, point bonding non-woven fabrics, melt spraying non-woven fabrics, And the arbitrary non-woven fabrics such as combination (such as SMS non-woven fabrics etc.) of above-mentioned non-woven fabrics.Wherein, excellent such from flexibility etc. From the aspect of, it can be preferably with spunlace non-woven cloth.
As long as constituting the fiber of the 1st nonwoven layer without special in addition, the 1st nonwoven layer has scheduled liquid permeability Limitation, be able to use arbitrary fiber, but from absorbency, liquid retainability etc. consideration, it is preferable to use hydrophilic fibre. As such hydrophilic fibre, such as cotton can be enumerated, crush the cellulose fibres such as pulp；Artificial silk, fibrinogen are artificial The regenerated celulose fibres such as silk；The semisynthetic fibres cellulose fiber such as acetate, triacetate；Implement the thermoplasticity of hydrophilicity-imparting treatment Resin fibre, composite fibre etc..Wherein, from absorbency, liquid retainability, flexibility, skin sense of touch etc. it is excellent it is such in terms of Consider, it is preferable to use the cellulose fibres such as cellulose fibre, regenerated celulose fibre, semisynthetic fibre cellulose fiber, especially excellent Choosing uses cotton, artificial silk or the composite fibre for being composed cotton and artificial silk.
In addition, also there is the case where capable of absorbing and keeping the intermediate of the excretas such as urine, absorber in absorbent commodity Or when imagining the situation less as the amount of the excreta of object, other than above-mentioned hydrophilic fibre, the 1st nothing Woven fabric layer can also contain the polyolefin series fibers such as polyethylene (PE), polypropylene (PP)；Polyethylene terephthalate (PET) etc. Polyester fiber；The hydrophobic thermoplastic resin fibre such as heat sealability fiber.Contain such thermoplasticity in the 1st nonwoven layer In the case where resin fibre, content is not particularly limited, but as the absorbent properties ensured more than to a certain degree From the aspect of, thermoplastic resin fibre is preferably contained with the mass ratio less than 50 mass %.
As long as the weight per unit area of the 1st nonwoven layer does not limit particularly in addition, not damaging effect of the invention System, can be using the arbitrary weight per unit area for considering absorbency, liquid retainability, resiliency, flexibility etc. and determining. As such weight per unit area, such as 5g/m can be enumerated2~60g/m2In the range of weight per unit area, preferably For 10g/m2~50g/m2In the range of.In addition, can be measured in accordance with the 5.2 of JIS L 1906 to weight per unit area.
As long as not damaging effect of the invention, the thickness of the 1st nonwoven layer is not particularly limited, such as can be used Thickness in the range of 0.001mm~5.0mm, but it is square from absorbency, liquid retainability, resiliency, flexibility, skin sense of touch etc. Face considers, in the range of preferably 0.01mm~3.0mm, in the range of more preferably 0.05mm~2.0mm.
In the present invention, it is preferred that the 1st nonwoven layer has the thickness bigger than the thickness of the 2nd nonwoven layer.If the 1st Nonwoven layer has the thickness bigger than the thickness of the 2nd nonwoven layer, then can ensure the phase of convex strip portions in the 1st nonwoven layer Restoring force for the compression on thickness direction, therefore higher cushion performance can be played.In addition, if to the 1st nonwoven Layer of cloth uses the biggish non-woven fabrics of restoring force of such convex strip portions, then the end of the 1st nonwoven layer is easy to be projected into absorbability Outside on the in-plane of the outer peripheral edge portion of article, therefore can more reliably obtain the excellent dress of absorbent commodity Sense.
Here, non-woven fabrics and aftermentioned intermediate and back sheet etc. used in the 1st nonwoven layer and the 2nd nonwoven layer The thickness of various sheet materials can be obtained by following mode: from as measurement object sheet material cut predetermined size (such as 30mm × 30mm etc.) sample chips, by the sample chips scaled off be set to the technology of adding (strain) system automatic compression testing machine (model: KES FB-3A), to the measurement terminal of the testing machine to the pressure that sample chips apply is 49Pa when thickness (mm) into Row measurement.
In addition, in the present invention, it is preferred that the 1st nonwoven layer has the recovery bigger than the restoring force of the 2nd nonwoven layer Power.If the 1st nonwoven layer has the restoring force bigger than the restoring force of the 2nd nonwoven layer, can be played as surface patch higher Cushion performance, and on the in-plane of the end of the 1st nonwoven layer outer peripheral edge portion that is easy to be projected into absorbent commodity Outside, therefore can more reliably obtain excellent wearing feeling.
Here, can be according to by being surveyed by JIS L 1096 " general textile fabric test method " defined " 45 ° of cantilever methods " The flexing resistance (mm) measured is evaluated come the restoring force of restoring force and the 2nd nonwoven layer to the 1st nonwoven layer.Make from constituting For the nonwoven layer of the evaluation object of restoring force non-woven fabrics cut predetermined size (such as 25mm × 200mm or 25mm × 140mm etc.) band-like sample, it is anti-that the band-like sample scaled off is set to the manufactured cantilever of the smart device production of (strain) Daiei science Curved property experimental rig (model: CAN-1MCA), (movement speed: 5mm/ seconds) measures under scheduled measuring condition, thus It can obtain above-mentioned flexing resistance.In addition, carrying out the measurement of 5 flexing resistances, its average value is used as to the bending resistance of restoring force evaluation Property (mm).
It is constituted as the restoring force bigger than the restoring force of the 2nd nonwoven layer in addition, having for realizing the 1st nonwoven layer The means of condition are not particularly limited, in addition to making the thickness of the 1st nonwoven layer be greater than the 2nd nonwoven layer as described above Except thickness, additionally it is possible to enumerate the density for adjusting each nonwoven layer, weight per unit area, composition fiber etc. so that the 1st nothing The rigidity (flexing resistance) of woven fabric layer is greater than the means such as the rigidity (flexing resistance) of the 2nd nonwoven layer.
In the above-described embodiment, non-flesh of the 2nd nonwoven layer 3 adjacent to the 1st nonwoven layer 2 of liquid-permeable sheet is constituted Skin opposite face, and connect at joint portion 7 with the non-skin opposite face of at least part concave part 22 of the 1st nonwoven layer 2 It closes.In addition, the 1st nonwoven layer 2 and the 2nd nonwoven layer 3 other than being bonded together at joint portion 7, also make the 1st nonwoven It is joined together at layer of cloth 2, the 2nd nonwoven layer 3, intermediate 5 and the integrated cotton ginning portion 8 of back sheet 6.
Moreover, in the present embodiment, the 2nd nonwoven layer 3 is by the construction with general planar and has scheduled transparent liquid The non-woven fabrics of property is formed.Although the 2nd nonwoven layer has the case where construction of such general planar in absorbability of the invention Structure condition is not required in that in article, if but the 2nd nonwoven layer have such general planar construction, be easy to The inside of the convex strip portions of 1st nonwoven layer forms the hollow part of predetermined volume or more, can assign to liquid-permeable sheet superior Resiliency, flexibility etc. can obtain superior wearing feeling as absorbent commodity.On the other hand, if the 2nd nonwoven layer has There is such construction in the hollow part for the convex strip portions for entering the 1st nonwoven layer or fill up the such construction of hollow part, then not It is easy to form gap between the 1st nonwoven layer and the 2nd nonwoven layer, liquid is from the lateral non-flesh of the skin opposite face of liquid-permeable sheet Skin is good with respect to the metastatic that surface side is shifted.
As the non-woven fabrics for forming the 2nd nonwoven layer, without special as long as the non-woven fabrics with scheduled liquid permeability Limitation, such as be able to use hydrophobic nonwoven, water repellency non-woven fabrics, the tissue sheet formed by hydrophilic fibre, with it is above-mentioned The identical spunlace non-woven cloth of the 1st nonwoven layer, hot-wind nonwoven cloth, spun-bonded non-woven fabrics, point bonding non-woven fabrics, melt spraying non-woven fabrics, And the arbitrary non-woven fabrics such as combination (such as SMS non-woven fabrics etc.) of above-mentioned non-woven fabrics.Wherein, from absorbency, liquid retainability, It, can be preferably with the tissue sheet formed by hydrophilic fibre from the aspect of as flexibility etc. is excellent.
As long as constituting the fiber of the 2nd nonwoven layer without special in addition, the 2nd nonwoven layer has scheduled liquid permeability Limitation, be able to use arbitrary fiber, but consider, it is preferable to use with the above-mentioned the 1st from absorbency, liquid retainability etc. The identical hydrophilic fibre of nonwoven layer.Also, same as the 1st above-mentioned nonwoven layer, the 2nd nonwoven layer can also be in addition to containing Have and also contains thermoplastic resin fibre except hydrophilic fibre.
As long as not damaging effect of the invention, the weight per unit area of the 2nd nonwoven layer is not particularly limited, can Using the arbitrary weight per unit area for considering absorbency, liquid retainability, resiliency, flexibility etc. and determining.As that The weight per unit area of sample, such as 1g/m can be enumerated2~50g/m2In the range of weight per unit area, preferably 3g/m2 ~40g/m2In the range of.
As long as not damaging effect of the invention, the thickness of the 2nd nonwoven layer is not particularly limited, such as can be used Thickness in the range of 0.001mm~3.0mm, but consider from absorbency, liquid retainability, resiliency, flexibility etc., it is excellent It is selected as in the range of 0.01mm~2.0mm, in the range of more preferably 0.05mm~1.0mm.
[joint portion]
In the above-described embodiment, as shown in figures 1 and 3, in panty liner 1, the 1st nonwoven layer 2 is (more specifically Say be the 1st nonwoven layer 2 concave part 22) and the 2nd nonwoven layer 3 it is arbitrary by hot melt adhesive etc. at joint portion 7 Bonding agent (not shown) and be joined together.If making the 1st nonwoven layer 2 and the 2nd nonwoven layer 3 at joint portion like this It is bonded together at 7, then dislocation, the deformation being less likely to occur between above layers, therefore can more stably play absorbability object Absorbent properties, the wearing feeling of product.In addition, the joint portion 7 and cotton ginning portion 8 are equally an examples at " joint portion " of the invention.
In addition, the 1st nonwoven layer 2 and the 2nd nonwoven layer 3 are at above-mentioned joint portion in the panty liner 1 of present embodiment It is bonded together at 7 by bonding agent, on the other hand, has between the outer peripheral edge portion and circular arc sealing of panty liner 1 There is no the non-domain of the existence of the bonding agent of bonding agent.If absorbent commodity is in such position, i.e. in the periphery of absorbent commodity Have the bonding agent of the bonding agent there is no the 1st nonwoven layer of engagement and the 2nd nonwoven layer non-between edge and circular arc sealing Domain of the existence, then be easy to be not easy to enable a wearer to experience near the above-mentioned outer peripheral edge portion with the skin face contact of wearer because The hardness at joint portion caused by bonding agent, therefore more difficult foreign body sensation etc. can be brought to wearer.
In the present invention, the configuration pattern of bonding agent used in the engagement of the 1st nonwoven layer and the 2nd nonwoven layer is not Have a special limitation, for example, can using extend when looking down along the 1st direction and/or the 2nd direction multiple tracks helical form, Ω shape, Wave threadiness, zigzag, striated, band-like etc. arbitrarily configure pattern.
If also, effect of the invention is not damaged, the configuring area (configuration range) of bonding agent, configuration amount (coating weight) Just also be not particularly limited, can using consider desired flexibility, liquid permeability etc. and determine arbitrary configuring area, Configuration amount.It, can also be in addition, above-mentioned bonding agent can both be configured at the non-skin opposite face of the concave part of the 1st nonwoven layer It is configured at the skin opposite face of the 2nd nonwoven layer.
In addition, in the present invention, the 1st nonwoven layer and the 2nd articulate means of nonwoven layer are not limited to The bonding agent etc. stated, such as it is able to use the thermal weldings such as compression means, the ultrasonic fusing such as heating or non-heated cotton ginning processing The arbitrary engagement means such as means.For example, if the 1st nonwoven layer and the 2nd nonwoven layer are bonded on one using thermal welding means It rises, then the influence of decomposition etc. caused by joint portion (weld portion) is not readily susceptible to because of excretas such as urine, therefore even if because of urine Equal excretas can also be well maintained the engagement state at joint portion when causing wet, absorbent commodity is less likely to occur twisted Deng.As a result, the absorbent commodity is able to maintain that good wearing feeling when wet.
In addition, in the above-described embodiment, in the 2nd direction D2Upper joint portion on the outermost side is by being configured at certainly The cotton ginning portion 8 for the position that the outer peripheral edge portion of panty liner 1 separates inwardly is formed.In panty liner 1, due to described 2 direction D2Upper joint portion on the outermost side is by being configured at from the position that the outer peripheral edge portion of panty liner 1 separates inwardly Cotton ginning portion 8 formed, therefore in the 1st nonwoven layer 2 in the 2nd direction D2It is the upper part adjacent with the cotton ginning portion 8, special It is part (the i.e. end regions A in outsideE) be easy to skin with respect to surface side Da erect and (more with the outer peripheral edge portion of panty liner 1 The specifically hard portions e of outer peripheral edge portion1) separate.Moreover, because being separated like this from the outer peripheral edge portion of panty liner 1 The 1st nonwoven layer 2 end regions AEIt can be functioned as padded coaming, therefore the skin face of wearer is not allowed more Easily across the protrusion P of the 1st above-mentioned nonwoven layer 2TAnd be in contact with the outer peripheral edge portion of panty liner 1, it can be more not It is easy to enable a wearer to experience the hardness of the outer peripheral edge portion of panty liner 1.Also, since above-mentioned cotton ginning portion 8 is configured at from health The position that the outer peripheral edge portion of protection pad 1 separates inwardly, thus the skin face in i.e. huckle, butt crack portion for enabling a wearer to etc. across The protrusion P of 1st nonwoven layer 2TAnd contacted indirectly with the outer peripheral edge portion of panty liner 1, it is not also deposited in the outer peripheral edge portion The harder part of hardness caused by because of cotton ginning portion 8, is more not easy to bring foreign body sensation to wearer.
[cotton ginning portion]
Then, cotton ginning portion 8 is explained in detail.
As shown in FIG. 1 to 3, the panty liner 1 of present embodiment has circular arc sealing, and the circular arc sealing is by multiple Dotted cotton ginning portion 8 is formed, and multiple dotted cotton ginning portion 8 is when looking down from the outer peripheral edge portion of panty liner 1 to plane side (it is located at the 1st outer peripheral edge portion at the both ends on width direction W along the outer peripheral edge at the position that upward inside separates E1With the 2nd outer peripheral edge portion E at the both ends being located on length direction L2) configuration and by the surface patch 4 (liquid-permeable sheet), institute It is integrated on the thickness direction T of panty liner 1 to state intermediate 5 and the back sheet 6 (opaque liquid piece).Such as Fig. 1 and Fig. 2 institute Show, in circular arc sealing, multiple dotted cotton ginning portions 8 are arranged in a manner of drawing scheduled pattern.Using heating or Non-heated cotton ginning manufacturing process (such as a pair of of pressure roller etc.) is so that the skin opposite face of surface patch 4 and the non-flesh of back sheet 6 To carry out compression to aftermentioned laminated body more to form this for mode relative to each other in the thickness directiont in skin opposite face the two faces A dotted cotton ginning portion 8, above-mentioned laminated body be will as the member of formation of panty liner 1 surface patch 4 (liquid-permeable sheet), in Between piece 5 and back sheet 6 (opaque liquid piece) be successively overlapped and be bonded together and formed.Thus, compared with other parts, The density in the cotton ginning portion 8 is relatively high, and thus its hardness is also relatively hard.But in the panty liner of present embodiment 1, Due to the circular arc seal portion configurations that are formed from above-mentioned cotton ginning portion 8 in from the outer peripheral edge portion of panty liner 1 on in-plane The position that inside separates, therefore the harder cotton ginning portion 8 of hardness is not easy the skin face with the huckle of wearer, butt crack portion etc. It is in contact, it is not easy to bring the foreign body sensation because of caused by the cotton ginning portion 8 to wearer.
In addition, in the panty liner 1 of present embodiment, as depicted in figs. 1 and 2, the circle formed by above-mentioned cotton ginning portion 8 Arc sealing is configured along the whole region of the outer peripheral edge portion of panty liner 1 when looking down.In this way along the outer of absorbent commodity The case where whole region configuration circular arc sealing of peripheral part, is not required in that constituting bar in absorbent commodity of the invention Part, circular arc sealing are configured along at least part of the outer peripheral edge portion of absorbent commodity, but from the shape of absorbent commodity Shape retentivity, the leakage for preventing excreta etc. consider, it is preferred that circular arc sealing edge as above-mentioned embodiment The outer peripheral edge portion of absorbent commodity whole region it is continuous or discontinuously configure.
Also, it is multiple dotted in the present embodiment, for the circular arc sealing formed by above-mentioned cotton ginning portion 8 Cotton ginning portion 8 be arranged in a manner of drawing scheduled pattern, but in the present invention, form the cotton ginning portion of circular arc sealing only It is configured at the position that inside of the outer peripheral edge portion of self-absorption article on in-plane separates, configuration does not have There is special limitation, cotton ginning portion can configure in the form of linear, curve-like, wave threadiness, zigzag etc. are arbitrary.
In addition, in the present embodiment, each cotton ginning portion 8 for forming circular arc sealing has generally circular vertical view shape Shape, but in the present invention, the plan view shape in above-mentioned each cotton ginning portion is not particularly limited, in addition to above-mentioned embodiment that It, can also be using ellipse, triangle, quadrangle, star, linear, wave threadiness, geometric figure except the circle of sample Etc. arbitrary shape.
As long as forming the size in each cotton ginning portion of circular arc sealing without spy in addition, not damaging effect of the invention Other limitation can be determined using shape retention, the anti-leakage of excreta, flexibility of absorbent commodity etc. is considered Arbitrary size.
[intermediate]
In the panty liner 1 of present embodiment, as shown in figures 1 and 3, intermediate 5 is configured to the thickness in panty liner 1 It spends on the T of direction between surface patch 4 and back sheet 6, it is each to assign resiliency, intensity, absorbent properties etc. to panty liner 1 The mode of kind characteristic functions.
In the present embodiment, the both ends on the length direction L for being located at panty liner 1 when looking down of intermediate 5 The 2nd outer peripheral edge portion E in portion2Between extend, and both ends on the width direction W for being located at panty liner 1 The 1st outer peripheral edge portion E in portion1Between extend, with lengthwise identical with the outer shape of panty liner 1 shape shape Shape.
In addition, intermediate is not limited to such shape in absorbent commodity of the invention, it can be using arbitrary Plan view shape and size.Thus, for intermediate, such as can also be only in absorbent commodity and discharge port corresponding region Corresponding region configuration has the intermediate of absorbent properties.
In addition, in the present embodiment, intermediate 5 is engaged in surface patch 4 using hot melt adhesive (not shown) Non- skin opposite face (being more particularly the non-skin opposite face of the 2nd nonwoven layer 3), but it is not limited to that in the present invention The juncture of sample also can use the arbitrary engagement means such as thermal welding and intermediate and surface patch be bonded together.Example Such as, if surface patch and intermediate are bonded together using thermal welding, bonding part (weld) is not readily susceptible to because of urine The influence decomposed caused by equal excretas etc., thus absorbent commodity be less likely to occur it is twisted etc..As a result, the absorbability object Product are able to maintain that good wearing feeling when wet.
The flat member for constituting intermediate is not particularly limited, can be (such as resiliency, strong with desired characteristic Degree, absorbability etc.) correspondingly use arbitrary flat member.As the flat member that can be used as intermediate, such as can enumerate Hydrophobic nonwoven, absorbent sheet etc. out.If intermediate is formed by hydrophobic nonwoven, even if absorbent commodity is (specifically Say it is surface patch, absorbent sheet of absorbent commodity etc.) it absorbs the excretas of liquid such as urine and moistens, absorbent commodity is not allowed yet It is easily twisted, it is easy to maintain good wearing feeling.It on the other hand, can be at intermediate if intermediate is formed by absorbent sheet To not absorbed and kept by the excreta that surface patch fully absorbs and penetrated the liquid of surface patch, therefore it is able to suppress this The leakage of excreta self-absorption article, reflux etc., as a result, it is possible to more reliably provide the good of absorbent commodity to wearer Wearing feeling.
In addition, intermediate both can be by having the list that one of hydrophobic nonwoven and absorbent sheet is used only and is formed Layer construction or the flat member of multi-ply construction are formed, hydrophobic nonwoven and absorbent sheet can also be used simultaneously by having and The flat member of the lit-par-lit structure of formation is formed.Can by be suitably adjusted constitute intermediate flat member the number of plies to Be easily adjusted absorbent commodity it is wet when intensity, resiliency, absorbability etc..
It as the hydrophobic nonwoven that can be used as intermediate, is not particularly limited as long as there is hydrophobicity, such as can Enough using arbitrary non-woven fabrics such as hot-wind nonwoven cloth, air-laid nonwoven fabrics.As long as constituting the fiber tool of the hydrophobic nonwoven Having hydrophobicity, just there is no particular limitation, such as is able to use such as inferior hydrophobic thermoplastic resin fibre: PE, PP polyene Hydrocarbon system fiber；The polyester fibers such as PET；The various composite fibres such as core-sheath compound fibre, and the fiber can also contain heat Weldability fiber.If hydrophobic nonwoven contains heat sealability fiber, heat sealability fiber in hydrophobic nonwoven that Under the action of welding around here, the rigidity of intermediate is higher (i.e. intermediate is not easy twisted), therefore is easy to maintain above-mentioned table The good resiliency of dough sheet, skin sense of touch etc., good wearing feeling is more easily ensured as absorbent commodity.
In addition, as the absorbent sheet that can be used as intermediate, as long as can the excreta of liquid be absorbed and be kept It is just not particularly limited, is able to use the arbitrary absorber being well known in the art.As such absorber, example Can such as enumerate using with hydrophilic tissue sheet core covering piece covering by absorbent cores that absorbent material is formed and At absorber.As the absorbent material of composition absorbent cores, such as hydrophilic fibre, superabsorbent polymer can be enumerated Deng, more particularly, the cellulose fibres such as crushing pulp, cotton；The regenerated celulose fibres such as artificial silk, fibrinogen artificial silk；Vinegar The semisynthetic fibres cellulose fiber such as acid esters, triacetate；The particulate matter formed by superabsorbent polymers such as sodium acrylate polymers； And the material etc. for forming two or more any combination in above-mentioned material.
It, can be using considering desired intensity, soft in addition, the weight per unit area of intermediate is not particularly limited Soft, resiliency etc. and determine arbitrary weight per unit area.As such weight per unit area, such as can enumerate 20g/m2~200g/m2In the range of weight per unit area, preferably 30g/m2~100g/m2In the range of.In addition, in Between in the case that piece formed by the flat member with multi-ply construction, the summation unit area weight of the weight per unit area of each layer In above-mentioned range.
Also, the thickness of intermediate is not particularly limited, such as can be using in the range of 0.01mm~8.0mm Thickness, but consider from intensity, flexibility etc., in the range of preferably 0.05mm~5.0mm, more preferably 0.1mm~ In the range of 3.0mm.In addition, constituting the hydrophobicity in the case where intermediate is formed by above-mentioned hydrophobicity stacking non-woven fabrics The aggregate thickness that the thickness of each layer of non-woven fabrics is laminated is in above-mentioned range.
In addition, intermediate is not required constituent element, therefore is utilizing surface patch in absorbent commodity of the invention In the case where ensuring as absorbency, liquid retainability, intensity as absorbent commodity etc., for absorbent commodity Speech can be set as in view of flexibility etc. and eliminating the structure of intermediate.
[back sheet]
In the panty liner 1 of present embodiment, as shown in figures 1 and 3, back sheet 6 is configured at the non-flesh of panty liner 1 Position of the skin with respect to surface side Db, is formed by opaque liquid piece, which has gas permeability and to prevent wearer The transmission of the excretas such as the urine of discharge and the mode that makes the excreta not escape to clothing of wearer etc. functions.
In the present embodiment, the both ends on the length direction L for being located at panty liner 1 when looking down of back sheet 6 The 2nd outer peripheral edge portion E in portion2Between extend, and both ends on the width direction W for being located at panty liner 1 The 1st outer peripheral edge portion E in portion1Between extend, with lengthwise identical with the outer shape of panty liner 1 shape shape Shape.In addition, back sheet (opaque liquid piece) is not limited to such shape in absorbent commodity of the invention, can adopt With arbitrary plan view shape and size.
In addition, in the present embodiment, back sheet 6 is engaged in intermediate 5 using hot melt adhesive (not shown) Non- skin opposite face, but it is not limited to such engaged configuration in the present invention, it also can use thermal welding etc. and arbitrarily connect Back sheet and intermediate (in the case where absorbent commodity does not have intermediate be and surface patch) are bonded on one by conjunction means It rises.For example, if back sheet and intermediate or surface patch are bonded together using thermal welding, bonding part (weld portion Point) influence that is not readily susceptible to decompose caused by excretas because of urine etc. etc., therefore absorbent commodity be less likely to occur it is twisted etc.. As a result, the absorbent commodity is able to maintain that good wearing feeling when wet.
Moreover, the opaque liquid piece for being used as back sheet is not particularly limited as long as having scheduled opaque liquid, example It is such as able to use hydrophobic nonwoven, the polyethylene with gas permeability, polypropylene resin film, non-woven fabrics fitted in into the resin Film and the arbitrary opaque liquid piece such as stacking non-woven fabrics such as laminated body, SMS for being formed.Wherein, from opaque liquid, flexibility, thoroughly Gas, it is wet when intensity (twisted difficulty) etc. consideration, it is preferable to use hydrophobic nonwoven.Here, for hydrophobicity without For the hydrophobic degree of woven fabric, as long as not absorbing the journey of the water to drip down when upper water is dripped on the surface of hydrophobic nonwoven The hydrophobicity of degree with regard to enough, but from the leakage difficulty of the excretas such as urine, it is wet when intensity etc. consider, more preferably thin The water to drip down when water in the surface drop of aqueous non-woven fabric is formed the degree of water droplet by the exclusion of hydrophobic nonwoven Hydrophobicity (so-called water repellency).
The type that can be used as the hydrophobic nonwoven of back sheet (opaque liquid piece) is not particularly limited, such as can Use the arbitrary non-woven fabrics such as spun-bonded non-woven fabrics, point bonding non-woven fabrics, melt spraying non-woven fabrics, SMS non-woven fabrics.In above-mentioned non-woven fabrics In, it is preferable to use comprising by the non-woven fabrics including the fibroplastic superfine fibre layer with 1dtex fiber number below, more preferably Use SMS non-woven fabrics.
The gas permeability and opaque liquid of non-woven fabrics comprising superfine fibre layer are excellent and have the flexibility of appropriateness, therefore If such non-woven fabrics comprising superfine fibre layer is used as back sheet, the wearing feeling of absorbent commodity can be made better It is good.In addition, the lower limit value for constituting the fiber number of the fiber of superfine fibre layer is not particularly limited, but for example, 0.1dtex is left It is right.
Further, since SMS non-woven fabrics is to construct the stacking non-woven fabrics formed by 3 layers of spun-bonded/melt-blown/spunbond, it is to have concurrently Gas permeability and (especially by spunbond layer realize) certain intensity (twisted difficulty) and can be (in particular with as superfine The meltblown layer of fibrous layer) more effectively inhibit urine etc. the transmission of excretas non-woven fabrics, if therefore be used as back sheet, can Enough ensure excellent gas permeability and twisted difficulty (twisted difficulty when especially wet) and can more effectively inhibit urine etc. The leakage of excreta.
In addition, the composition fiber that can be used as the hydrophobic nonwoven of back sheet does not limit particularly as long as having hydrophobicity System, such as it is able to use such as inferior hydrophobic thermoplastic resin fibre: PE, PP polyolefin series fiber；The Polyesters such as PET are fine Dimension；The various composite fibres such as core-sheath compound fibre.
In addition, the weight per unit area of back sheet is not particularly limited, it can use and consider flexibility, breathe freely Property, opaque liquid, intensity etc. and the arbitrary weight per unit area determined.As such weight per unit area, such as can Enumerate 8g/m2~60g/m2In the range of weight per unit area, preferably 15g/m2~50g/m2In the range of.
The thickness of back sheet is not particularly limited, such as can use the thickness in the range of 0.01mm~5.0mm, But consider from flexibility, gas permeability, opaque liquid, intensity etc., in the range of preferably 0.05mm~3.0mm.
Hereinafter, being described with reference to the convex strip portions of surface patch (liquid-permeable sheet) and the extending direction of concave part different from above-mentioned Embodiment another embodiment of the invention.In addition, due in addition to the structure different from above-mentioned embodiment it Outer structure is substantially identical as above-mentioned embodiment, and and the description is omitted.
Fig. 4 is the top view of the panty liner 10 of another embodiment of the invention.
In panty liner 10 preferably, as shown in figure 4, constituting the 1st non-woven fabrics of the liquid-permeable sheet of surface patch Layer 2 has convex strip portions 21 and concave part 22 along 2nd direction D corresponding with the length direction L of panty liner 102Alternately match The sag and swell 20 set and formed, above-mentioned convex strip portions 21 are on the thickness direction T of panty liner 10 towards skin opposite face pleurapophysis Out and along 1st direction D corresponding with the width direction W of panty liner 101Continuously extend, above-mentioned concave part 22 is described Towards non-skin with respect to surface side recess and along the 1st direction D on thickness direction T1Continuously extend.In addition, in the health In protection pad 10 and the 1st nonwoven layer 2 is by the 2nd direction D in the state of trailing2(i.e. with the length direction of panty liner 10 The corresponding direction L) on length be longer than the 2nd direction D of the 2nd nonwoven layer 32On length non-woven fabrics shape At.
Moreover, being also in the panty liner 10, the 1st nonwoven layer 2 is configured to, the 2nd direction of the 1st nonwoven layer 2 D2On end do not engaged with the 2nd nonwoven layer 3 and in the 2nd direction D2On be projected into the periphery of panty liner 10 Edge is (i.e. along the 1st direction D1The 1st outer peripheral edge portion E extended1) outside, the protrusion of the 1st nonwoven layer 2 is easy to cover The mode of the hard portions of the outer peripheral edge portion of lid panty liner 10 is between the skin face and the hard portions of wearer.By This can also enable a wearer to be not easy to experience the hardness of the outer peripheral edge portion of panty liner 10 (i.e. for panty liner 10 1st outer peripheral edge portion E1Hard portions hardness), therefore can enable a wearer to not allow to be also easy to produce due to the hardness of the outer peripheral edge portion Caused foreign body sensation (the abdomen for the wearer that the both ends on the specifically length direction L of panty liner 10 can touch The foreign body sensation of portion's side section and back (buttocks) side portion), as a result, it is possible to be well maintained by with above-mentioned specific recessed The excellent wearing feeling that the liquid-permeable sheet of convex construction 20 plays.
In addition, the present invention is other than being applied to the panty liner of above-mentioned each embodiment, additionally it is possible to be applied to for example The various absorbent commodities such as sanitary napkin, (light) incontinence pad.In addition, absorbent commodity of the invention is not intended to limit In above-mentioned embodiment, it can properly be combined, change in the range of not departing from the purpose of the present invention, purport. In addition, in the present specification, the serial numbers such as " the 1st ", " the 2nd " are used to distinguish the item with the serial number, it is not meant to each item Sequence, priority and different degree etc..
Description of symbols
1, panty liner (example of absorbent commodity)；2, the 1st nonwoven layer；20, sag and swell；21, convex strip portions； 22, concave part；23, hollow part；24, end；3, the 2nd nonwoven layer；4, surface patch (example of liquid-permeable sheet)；5, intermediate Piece；6, back sheet (example of opaque liquid piece)；7, joint portion (example at joint portion)；8, cotton ginning portion (joint portion An example)；10, panty liner (example of absorbent commodity)；11, stripping film；12, bonding part；AE, end region Domain；PT, protrusion.

Claims (7)

1. a kind of absorbent commodity, it includes liquid-permeable sheet, by formed skin opposite face the 1st nonwoven layer and with the 1st nothing The 2nd adjacent nonwoven layer of the non-skin opposite face of woven fabric layer is bonded together to form the liquid-permeable sheet at joint portion, Wherein,
There are 1st nonwoven layer convex strip portions and concave part alternately to match along 2nd direction orthogonal with scheduled 1st direction The sag and swell set and formed, the convex strip portions it is prominent towards skin opposite face side on the thickness direction of the absorbent commodity and Continuously extend along the 1st direction, which is recessed towards non-skin with respect to surface side on the thickness direction and edge The 1st direction continuously extend, and at least part concave part at the joint portion with the 2nd non-woven fabrics Layer is bonded together,
Also, the 1st nonwoven layer is longer than the 2nd nonwoven by the length on the 2nd direction in the state of trailing Length on the 2nd direction of layer of cloth, the non-woven fabrics of the convex strip portions can be formed formed,
End on the 2nd direction of 1st nonwoven layer does not engage with the 2nd nonwoven layer and described 2 sides project upwardly into the outside of the outer peripheral edge portion of the absorbent commodity.
2. absorbent commodity according to claim 1, wherein
The convex strip portions have hollow internal structure.
3. absorbent commodity according to claim 1 or 2, wherein
The joint portion on the outermost side is arranged in the outer peripheral edge from the absorbent commodity on the 2nd direction The cotton ginning portion for the position that portion separates inwardly.
4. absorbent commodity described in any one of claim 1 to 3, wherein
1st nonwoven layer has the thickness bigger than the thickness of the 2nd nonwoven layer.
5. absorbent commodity according to any one of claims 1 to 4, wherein
1st nonwoven layer has the restoring force bigger than the restoring force of the 2nd nonwoven layer.
6. absorbent commodity according to any one of claims 1 to 5, wherein
The absorbent commodity has the outer shape of lengthwise, which has orthogonal length direction and width side To the 1st direction is parallel with the length direction.
7. absorbent commodity described according to claim 1~any one of 6, wherein
The height of the end regions for being located at the position than the joint portion in the outer part of 1st nonwoven layer is less than the raised line The height in portion.
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