JP3447288B2 - 低延伸性バリヤを有する延伸性吸収性製品 - Google Patents

低延伸性バリヤを有する延伸性吸収性製品

Info

Publication number
JP3447288B2
JP3447288B2 JP50471294A JP50471294A JP3447288B2 JP 3447288 B2 JP3447288 B2 JP 3447288B2 JP 50471294 A JP50471294 A JP 50471294A JP 50471294 A JP50471294 A JP 50471294A JP 3447288 B2 JP3447288 B2 JP 3447288B2
Authority
JP
Japan
Prior art keywords
barrier
topsheet
sanitary napkin
absorbent
edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP50471294A
Other languages
English (en)
Other versions
JPH09502104A (ja
Inventor
ウォード ザ、サード オズボーン，トーマス
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25435272&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP3447288(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of JPH09502104A publication Critical patent/JPH09502104A/ja
Application granted granted Critical
Publication of JP3447288B2 publication Critical patent/JP3447288B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

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    • 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
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A—HUMAN NECESSITIES
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    • A61F13/00—Bandages or dressings; Absorbent pads
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    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4752—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being an upstanding barrier
    • A61F13/4753—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being an upstanding barrier the barrier being not integral with the topsheet or backsheet
    • A—HUMAN NECESSITIES
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    • A61F13/00—Bandages or dressings; Absorbent pads
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    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4758—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a longitudinal direction
    • A—HUMAN NECESSITIES
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    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
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    • A61F2013/51322—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 being elastomeric or stretchable
    • 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
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • A61F2013/51429—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being elastomeric or stretchable sheet
    • 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
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • A61F2013/51433—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being biodegradable
    • 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
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—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
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F2013/5147—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties the outer layer being adhesive itself
    • 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
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F2013/51472—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties for reducing noise
    • 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
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
    • A61F2013/51486—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure with specially shaped backsheets
    • A61F2013/51488—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure with specially shaped backsheets for napkins
    • 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
    • A61F2013/530007—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 being made from pulp
    • 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
    • A61F2013/530007—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 being made from pulp
    • A61F2013/530036—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 being made from pulp being made in chemically-modified cellulosic material, e.g. Rayon
    • A61F2013/530051—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 being made from pulp being made in chemically-modified cellulosic material, e.g. Rayon being made in cross-linked cellulosic fibres
    • 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
    • A61F2013/530007—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 being made from pulp
    • A61F2013/530058—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 being made from pulp with specific method of producing wood pulp fibres
    • 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
    • A61F2013/530007—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 being made from pulp
    • A61F2013/530058—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 being made from pulp with specific method of producing wood pulp fibres
    • A61F2013/530094—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 being made from pulp with specific method of producing wood pulp fibres with mechanical pulp
    • 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
    • A61F2013/530007—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 being made from pulp
    • A61F2013/530058—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 being made from pulp with specific method of producing wood pulp fibres
    • A61F2013/530094—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 being made from pulp with specific method of producing wood pulp fibres with mechanical pulp
    • A61F2013/530102—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 being made from pulp with specific method of producing wood pulp fibres with mechanical pulp with thermomechanical pulp
    • 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
    • A61F2013/530007—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 being made from pulp
    • A61F2013/530058—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 being made from pulp with specific method of producing wood pulp fibres
    • A61F2013/530094—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 being made from pulp with specific method of producing wood pulp fibres with mechanical pulp
    • A61F2013/530109—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 being made from pulp with specific method of producing wood pulp fibres with mechanical pulp with chemithermomechanical pulp
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • A61F2013/530138—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 being made in fibre but being not pulp characterized by the fibre length
    • A61F2013/530145—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 being made in fibre but being not pulp characterized by the fibre length being short
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • A61F2013/530138—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 being made in fibre but being not pulp characterized by the fibre length
    • A61F2013/530153—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 being made in fibre but being not pulp characterized by the fibre length being long
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • A61F2013/53016—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 being made in fibre but being not pulp having special shape
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • A61F2013/53016—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 being made in fibre but being not pulp having special shape
    • A61F2013/530167—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 being made in fibre but being not pulp having special shape being crimped
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • A61F2013/530226—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 being made in fibre but being not pulp with polymeric fibres
    • A61F2013/530255—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 being made in fibre but being not pulp with polymeric fibres being hydrophobic fibres
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • A61F2013/530226—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 being made in fibre but being not pulp with polymeric fibres
    • A61F2013/530299—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 being made in fibre but being not pulp with polymeric fibres being hydrophilic fibres
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • A61F2013/530343—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 being made in fibre but being not pulp being natural fibres
    • A61F2013/53035—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 being made in fibre but being not pulp being natural fibres of cotton
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • A61F2013/530343—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 being made in fibre but being not pulp being natural fibres
    • A61F2013/530357—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 being made in fibre but being not pulp being natural fibres of wool
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • A61F2013/530343—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 being made in fibre but being not pulp being natural fibres
    • A61F2013/530372—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 being made in fibre but being not pulp being natural fibres of ramie or jute or linen
    • 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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • 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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530489—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being randomly mixed in with other material
    • A61F2013/530496—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being randomly mixed in with other material being fixed to fibres
    • 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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/53051—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged
    • A61F2013/530547—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged positioned in a separate layer or 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
    • A61F13/53—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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/53051—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged
    • A61F2013/530547—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged positioned in a separate layer or layers
    • A61F2013/530554—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged positioned in a separate layer or layers and being fixed to a web
    • 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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530569—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 superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the particle size
    • 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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530583—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 superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the form
    • 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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530583—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 superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the form
    • A61F2013/530613—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 superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the form in fibres
    • 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
    • A61F2013/530802—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 characterized by the foam or sponge other than superabsorbent
    • 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
    • A61F2013/530868—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 characterized by the liquid distribution or transport means other than wicking layer
    • A61F2013/530927—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 characterized by the liquid distribution or transport means other than wicking layer having longitudinal barriers
    • A61F2013/530934—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 characterized by the liquid distribution or transport means other than wicking layer having longitudinal barriers having a density gradient
    • 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
    • A61F13/537—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F2013/53721—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • 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
    • A61F13/537—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F2013/53721—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means
    • A61F2013/53739—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means with compressed points
    • 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
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    • 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
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    • A61F2013/53795—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer being a surge management layer
    • A—HUMAN NECESSITIES
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    • A61F13/538—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 specific fibre orientation or weave
    • A61F2013/5386—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 specific fibre orientation or weave by the fibre orientation in the z plane or vertical direction
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    • 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
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    • 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
    • A61F2013/53908—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 with adhesive
    • A61F2013/53925—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 with adhesive with intermittent pattern, e.g. spots
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    • 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
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    • A—HUMAN NECESSITIES
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    • 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
    • A61F2013/53966—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 by needling, sewing, blow-needling
    • A—HUMAN NECESSITIES
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    • 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
    • A61F2013/53975—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 by Hydraulic entanglement
    • A—HUMAN NECESSITIES
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    • 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
    • A61F2013/53983—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 with hook and loop-type fastener or the like
    • A—HUMAN NECESSITIES
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    • A61F13/551—Packaging before or after use
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    • A—HUMAN NECESSITIES
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    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F2013/8476—Accessories, not otherwise provided for, for absorbent pads with various devices or method

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Materials For Medical Uses (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Saccharide Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Details Of Garments (AREA)
  • Packages (AREA)
  • Paper (AREA)

Description

【発明の詳細な説明】 発明の分野 本発明はおむつ、生理用ナプキン、パンティーライナ
および失禁パッドなどの吸収性製品に関するものであ
る。さらに詳しくは、本発明は、液体流に対するバリヤ
として作用する低延伸性リップを備えた生理用ナプキン
などの延伸性吸収性製品に関するものである。
発明の背景 生理用ナプキン、パンティーライナおよび失禁パッド
などの吸収性製品は一般に下着の股区域に着用される装
置である。これらの装置は人体から出た液体またはその
他の***物を吸収し保持して身体と衣類の汚れを防止す
るように設計されている。このような吸収性製品の材料
および構造に関して多数の改良が成されているが、その
性能、特に漏れ防止性能の改良が大規模に企てられてい
る。
例えば使い捨て吸収性製品は、従来からその側面漏れ
防止性能を改良するために弾性部材を備えている。例え
ば米国特許第3,860,003号に記載の弾性使い捨て吸収性
製品においては、トップシートとバックシートとの間に
側面フラップの中に弾性部材が配置されている。側面フ
ラップが弾性部材によって寄せられるので、パッドがボ
ート状を成し、側面フラップが製品の縁にそったバリヤ
を成す。
米国特許第4,738,677号に記載の他の型の液体流バリ
ヤは、吸収性製品の縦縁にそった第１セットのバリヤカ
フスと、吸収性製品の横縁にそった第２セットのバリヤ
カフスとを含む。これらのバリヤカフスは吸収性製品の
隅部において重なり合って、収容ポケットを形成する。
第１セットのバリヤカフスは弾性部材などのスペーサ手
段を備え、このスペーサ手段が両セットのバリヤカフス
を吸収性製品の液体受け面から離間する。
一般に、前記の型の使い捨て吸収性製品（生理用ナプ
キン、パンティーライナおよび失禁パッド）の多くは延
伸しない材料から成る。すなわち、吸収性製品が着用さ
れる際に受ける力のもとにその材料（および吸収性製品
そのもの）が延伸しない。しかし最近、吸収性製品の着
用コンフォートと、着用者の身体に対する形状一致性お
よび吸収性製品が下着の中に着用される場合にこの下着
に対する形状一致性とを改良するため延伸性の吸収性製
品を提供する方向に努力が成されている。PCT公表No.93
/01785およびその対応の米国特願第07/915,133号（本発
明がそれらの一部継続特願を成す）が延伸性吸収性製品
を開示している。しかしこのような吸収性製品の特徴の
改良のための努力が継続されている。
特に、液体流に対するバリヤを備えた生理用ナプキン
などの延伸性吸収性製品が必要とされている。
従って本発明の目的は、液体流に対するバリヤを備え
た生理用ナプキンなどの延伸性吸収性製品を提供するに
ある。
本発明の他の目的は、生理用ナプキンより低延伸性で
あって生理用ナプキンが延伸された時に比較的平坦姿勢
からさらに直立姿勢まで変化するバリヤを備えた生理用
ナプキンなどの延伸性吸収性製品を提供するにある。
以下、本発明を図面に示す実施例について詳細に説明
するが本発明はこれに限定されるものではない。
発明の概要 本発明は生理用ナプキンのなどの吸収性製品を提供す
るにある。本発明の生理用ナプキンは少なくとも一部の
延伸性部品を有する。この生理用ナプキンは液体流に対
する低延伸性バリヤを備える。
この生理用ナプキンは第１末端区域と、第２末端区域
と、前記第１および第２末端区域の間に配置された中央
区域と、生理用ナプキンの外周を成す一対の縦縁および
一対の横縁とを有する。好ましい実施態様の生理用ナプ
キンは、前記第１末端区域および前記第２末端区域より
狭い中央区域を有する（例えば前記生理用ナプキンは砂
時計型または犬骨型とする事ができる）。この生理用ナ
プキンは好ましくは延伸性透液性トップシートと、前記
トップシートに接合された延伸性不透性バックシート
と、前記トップシートと前記バックシートとの間に配置
された延伸性吸収性コアと、液体流に対するバリヤとし
て作用する低延伸性の不透液性リップとを含む。この実
施態様において、前記リップは生理用ナプキンの縦縁に
そって重なり合う狭いフィルムストリップを含む。これ
らのストリップはそれぞれ内側縁と、外側縁と、一対の
末端とを有する。外側縁は内側縁よりも、生理用ナプキ
ンの長手方向中心縁から遠くに配置される。前記ストリ
ップの外側縁と末端は生理用ナプキンの外周にそってト
ップシートに固着される。ストリップの内側縁は両端間
においてトップシートに固着されない。
生理用ナプキンが引張られない時、前記ストリップは
トップシートに対して平坦に横たわる。生理用ナプキン
が引張られた時、ストリップの非固着部分が平坦姿勢か
らさらに直立姿勢まで変化する。これらのストリップが
生理用ナプキンの縦縁にそった内向きリップ（またはガ
スケット）を成し、これらのリップがトップシートを横
断する液体流に対するバリヤを成す。このようなストリ
ップの立ち上がりはバリヤストリップの固着縁と非固着
縁との延伸性の差による。生理用ナプキンが砂時計型ま
たは犬骨型を有し、その中央区域が縁区域より狭い場
合、このような効果が特に顕著である。特に好ましい実
施態様においては、生理用ナプキンの横縁にそって同様
のストリップが固着されて生理用ナプキンの全外周にそ
ったバリヤを形成する事ができる。
図面の簡単な説明 以下、本発明を図面に示す実施例について詳細に説明
するが本発明はこれに限定されるものではない。
第１図は本発明の生理用ナプキンの好ましい実施態様
の平面図であって、下部構造を示すためトップシートの
一部を除去された図である。
第２図は第１図の２−２線にそった横断面図であっ
て、説明のためにバリヤサイズを誇張して示す図、 第３図は第１図の生理用ナプキンの底面図、 第４図は第１図の生理用ナプキンを延伸後の斜視図で
あって、簡単のため一方のバリヤのみを示す図、 第５図は第４図の生理用ナプキンの５−５線にそった
断面図であって、簡略化された層構造と両方のバリヤと
を示す図、 第６図は生理用ナプキンの延伸性を示す平面図であっ
て、簡単のためバリヤを除去した図、 第７図は生理用ナプキンに加えられる引張力の大きさ
とこれらの力に対する生理用ナプキンの延伸量との好ま
しい関係を示す表である。
発明の詳細な説明 第１図乃至第３図は本発明の使い捨て吸収性製品の好
ましい実施態様である。本発明は液体流に対して低延伸
性バリヤを備えたおむつ、生理用ナプキン、パンティー
ライナ、および失禁パッドなどの延伸性吸収性製品に関
するものである。
図示の好ましい実施態様において、吸収性製品は20で
示す生理用ナプキンである。この場合、用語「生理用ナ
プキン」とは、婦人によって外陰部に近接して使用さ
れ、身体から排出される各種***物（例えば、血液、月
経および尿）を収容する製品を言う。しかし本発明はパ
ンティーライナなどの婦人用生理パッドまたは月経パッ
ドあるいは失禁パッドなどのその他の吸収性製品などに
も適用される。
生理用ナプキン20は２つの面、すなわち透液性の身体
接触面または「身体面」20Aと不透液性衣類面20Bとを有
する。第１図において生理用ナプキン20はその身体面20
Aから見られたように示されている。身体面20Aは着用者
の身体に隣接して着用される。生理用ナプキン20の衣類
面20B（第２図）は反対側にあり、この生理用ナプキン
を着用した時に着用者の下着に隣接して配置される。
生理用ナプキン20は２つの中心線、すなわち長手方向
中心線Ｌと、交点Ｉにおいてこれに交差する横方向中心
線Ｔとを有する。用語「長手方向」とは、生理用ナプキ
ン20を着用した時に直立着用者の身体を右半分と左半分
とに二分する垂直面に対して全体として整列した（例え
ばこの垂直面に対してほぼ平行な）生理用ナプキン20の
面の線、軸線または方向を言う。用語「横断方向」また
は「横方向」は相互に互換用語であって、生理用ナプキ
ン20の面において前記長手方向方向に対してほぼ垂直な
線、軸線または方向を言う。
第１図に示す生理用ナプキンは２つの相互に離間され
た長手方向縁（または「縦縁」）22と２つの相互に離間
された横方向縁または末端縁（または「横縁」）24とを
有し、これらの縁が一緒になって生理用ナプキン20の外
周26を形成する。また生理用ナプキン（またはその本体
部分）は２つの末端区域、すなわち第１末端区域28と第
２末端区域30とを有する。これらの末端区域28、30の間
に中心区域32が配置される。末端区域28と30は、中心区
域32の縁から、生理用ナプキンの本体部分の長さの約1/
8乃至約1/3の距離外側に延在する。これらの中心区域32
および両端区域28、30の詳細な説明は米国特許第4,690,
680号に記載されている。
生理用ナプキン20は、比較的厚く、比較的薄くまたは
非常に薄い任意の厚さを有する事ができる。第１図乃至
第３図に図示の生理用ナプキン20の実施態様は、比較的
薄い生理用ナプキン、好ましくは「超薄」生理用ナプキ
ンの一例を示すものとする。しかし、これらの図を見た
場合、図示の多数の材料層の故に生理用ナプキン20がそ
の実際よりもはるかに厚く見える事を注意しなければな
らない。「超薄」生理用ナプキン20は米国特許第4,950,
264号および米国特許第5,009,653号に記載のように、約
3mm以下のキャリパーを有する。また図示の薄い生理用
ナプキン20は着用者にとって快適であるように好ましく
は比較的可撓性とする。
第２図は本発明の生理用ナプキン20のそれぞれの部品
を示す。第２図の生理用ナプキン20は全体として少なく
とも４主要部品を含む。これらの部品は、透液性トップ
シート38、不透液性バックシート40、これらのトップシ
ートとバックシートとの間に配置された吸収性コア42、
および少なくとも１つのバリヤ、好ましくは生理用ナプ
キンの縦縁22に沿って配置された液体流に対する一対の
バリヤ44を含む。また第１図乃至第３図に図示の好まし
い実施態様は、延伸作用に対応して曲がり、好ましくは
着用者の身体との接触を改良するために立ち上がるよう
に中心区域32に配置された低延伸性部品216を含む。こ
れらのバリヤを固着する生理用ナプキンはPCT出願WO第9
3/01785号および第93/01786号に記載のいずれかの生理
用ナプキンとする事ができ、これらの生理用ナプキンは
１つまたは複数の延伸性部品から成り、好ましくはすべ
て延伸性部品から成り（低延伸性部品を除く）、全体的
延伸性を有する。
生理用ナプキン20の延伸性を第６図において簡略に示
す。用語「延伸性」とは、ｘ−ｙ面においてその少なく
とも１つのサイズの増大する事のできる製品を言う。ｘ
−ｙ面は生理用ナプキン20の面に対して大体に平行な面
である。また用語「延伸性」とは緊張性製品および弾性
的に緊張性の製品（下記に定義）を含む。第６図に図示
の生理用ナプキン20は好ましくはその長さの幅において
延伸性である。しかし他の実施態様の生理用ナプキン20
はこれらの方向のいずれか一方において延伸性とする事
ができる。好ましくは生理用ナプキン20は少なくとも長
手方向において延伸性である。
好ましい実施態様において生理用ナプキン20は延伸性
であるほかに緊張性でもある。用語「緊張性」とは、製
品に対して引張り力が加えられた時に延伸し、引張りに
対するある程度の抵抗力を示す製品を言う。さらに好ま
しくは生理用ナプキン20は弾性的に緊張性とする事がで
きる。用語「弾性的緊張性」または「弾性的延伸性」は
同義語である。これらの用語は、引張り力が除去された
時に生理用ナプキンがその非延伸サイズまたは非緊張サ
イズ（または「初」サイズ）まで戻ろうとする事を意味
する。しかし生理用ナプキン20は必ずしも非緊張サイズ
まで戻る必要はない。第６図に図示のように、生理用ナ
プキンは、その非緊張サイズと延伸サイズ（または緊張
サイズ）LsおよびWsとの中間の弛緩サイズ（ＬRおよび
ＷR）に戻る事ができる。生理用ナプキンを弾性的に緊
張性とすれば、生理用ナプキンを緊張させる力が除去さ
れた時にこの生理用ナプキンが長手方向に内側に寄る望
ましくない傾向（すなわち長手方向バンチングの傾向）
を低下させる事ができる。これは特に着用者のパンティ
ーが収縮する場合である。
生理用ナプキン20は、PCT特願WO第93/01785および第9
3/01786号に記載の量だけ延伸性である。これらの特願
を要約すれば、生理用ナプキンは、この生理用ナプキン
を一対のパンティーの中に着用する際に生じる力のもと
に、約５％乃至約50％以下、さらに好ましくは約10％か
ら約40％まで、最も好ましくは約25％から約40％まで延
伸する事ができる。好ましくは生理用ナプキンは約500
−100グラム乃至約1,000−1,500グラムの力のもとに、
さらに好ましくは約250グラム乃至約800グラムの範囲内
の力のもとに、このような延伸を生じる事ができる。他
の好ましい延伸量は表１（第７図）に記載されている。
この表に記載のすべての限度および範囲は、この限度お
よび範囲内のすべての狭い範囲、限度および量を含むも
のとする。また本発明は前記特許に記載の生理用ナプキ
ンのその他のいずれのフィーチャーを備える事ができ
る。例えば、生理用ナプキンに加えられる力量の実質的
増大なしでは一定限度以上の伸びを禁止する「力の壁」
を示す構造を含む事ができる。
本発明の生理用ナプキン20の各部品について第１図乃
至第３図を参照してさらに詳細に説明する。
トップシート38は第１透液性部品を成す。生理用ナプ
キン20を使用する際に、トップシート38はユーザの皮膚
に対して隣接配置される。トップシート38はできるだけ
可撓性で、柔らかな感触を有し、ユーザの皮膚に対して
非刺激性である事が好ましい。さらにトップシート38は
すぐれた液体貫流性と低い再湿潤傾向とを有し、体液を
急速に貫流させて吸収性コア42の方に流すが、***物を
このトップシート38を通して着用者の皮膚まで逆流させ
てはならない。
トップシート38は２側面、すなわち身体対向面38A
と、衣類対向側面（または吸収性コア対向側面）38Bと
を有する。トップシート38の身体対向面38Aは全体とし
て生理用ナプキンの身体接触面（「身体面」）20Aの少
なくとも一部を成す。トップシート38は両側の縦縁38C
と両端の横縁38Dとを有する。
（生理用ナプキンの他の部品についても同様の番号付
けシステムを使用する。すなわち、着用者の身体に向い
た部品側面は、その部品番号に文字［Ａ」を付けて示す
事ができる。着用者の衣類に向いた側面はその部品の番
号に文字「Ｂ」を付けて示す。縦縁と横縁はそれぞれそ
の部品番号に文字「Ｃ」または「Ｄ」を付けて示す。） 適当なトップシート38は各種材料から製造する事がで
きるが、その非限定的例は織布および不織布材料、アパ
チュアド成形熱可塑性フィルム、アパチュアド・プラス
チックフィルム、ハイドロ成形フィルム、多孔性フォー
ム、網状フォーム、網状熱可塑性フィルム、および熱可
塑性スクリムである。適当な織布および不織布材料は天
然繊維（例えば、木材繊維または棉繊維）、合成または
変成天然繊維（例えば、ポリエステル、ポリプロピレン
繊維、およびポリエチレンまたはポリビニルアルコー
ル、デンプンベース樹脂、ポリウレタン、セルローズエ
ステル、ナイロンなどのポリマー繊維、およびレーヨン
繊維）から、あるいは天然繊維と合成繊維との組合わせ
から製造される。トップシート38が不織布ウエブを含む
場合、このウエブはスパンボンディッドウエブ、カーデ
ィッドウエブ、ウエットレイドウエブ、メルトブローン
ウエブ、ハイドロエンタングルドウエブ、前記の組合わ
せまたは類似物とする事ができる。
孔付きフィルムは透液性であって、適当に孔を備えて
いれば、液体を逆流させて着用者の皮膚を再湿潤させる
傾向が少ないので一般にトップシートとして好適であ
る。適当な孔付きフィルムは、米国特許第3,929,135
号、米国特許第4,324,426号、米国特許第4,342,314号、
米国特許第4,463,045号、および米国特許第5,006,394号
に記載されている。
このトップシートが引張られた時に開くシワを形成す
るように、プリーティング、波形、またはリングローリ
ングなどの機械的処理をトップシート38に対して加える
事によって延伸性と成される。このような処理は前記の
各トップシート材料の多くについて実施する事ができ
る。本発明の好ましい実施態様において、トップシート
は米国特許第4,463,045号によって製造され、一定度の
長手方向延伸性を与えるためにリングローリング処理さ
れる。このようなトップシートは米国特願第07/936,195
号に記載されている。
リングローリングまたは「予波形処理」の適当な方法
は米国特許第4,107,364号、米国特許第4,834,741号、同
一譲渡米国特願第07/662,536号、米国特願第07/662,537
号、および米国特許第07/662,543号に記載されている。
トップシートが長手方向に延伸性であるためには、リ
ングローリングされたトップシートの波形の折り線は横
方向に走らなければならない。他の実施態様において
は、折り線は長手方向方向に、または両方向に、また／
あるいは他の方向に走る事ができよう。トップシート38
は折り線に対して直角方向に延伸性となる。
好ましい実施態様においてトップシート38は、液体が
このトップシートを急速に透過するように親水性であ
る。これにより、***物が吸収性コアによって吸収され
るのでなくトップシートにそって流下する傾向を低下さ
せる事ができる。トップシートはその表面を界面活性剤
によって処理する事によって親水性に成される。界面活
性剤を施用する適当な方法米国特許第4,950,254号およ
び米国特許第5,009,635号に記載されている。
さらに好ましい実施態様においてトップシート38の内
側面38Bは下の吸収性層と接触関係に固着される。この
ような接触関係の結果、トップシートが吸収性部品と接
触しない場合よりも液体が急速にトップシート38を透過
する。トップシート38は、これを下層に対して接合する
事によって接触関係に保持される。しかしトップシート
38を下層の面に対して接着する事は必ずしも必要ではな
い。トップシートと下層部品との間に接着剤を施用する
事により、または下層の繊維をトップシートとからませ
る事により、または複数の別々の融解接合によってトッ
プシートを下方の吸収性層に融着する事により、または
業界公知の任意手段によってトップシート38を下層の吸
収性部品と接触状態に保持する事ができる。
吸収性コア42はトップシート38とバックシート40との
間に配置される。吸収性コア42は月経その他の体液を吸
収する手段を成す。吸収性コア42は、液体の予想吸収量
よりはるかに大きな吸収容量を有する必要はない。吸収
性コア42は一般に圧縮性で、形状合致性で、使用者の皮
膚に対して非刺激性である。
吸収性コア42はその目的に適した業界公知の任意材料
によって製造する事ができる。その非制限的例は、エア
フェルトと呼ばれる粉砕木材パルプなどの天然材料、ク
レープド・セルローズ・ワッディング、ハイドロゲル形
成ポリマーゲル化剤、変成橋かけ結合セルローズ繊維
（米国特許第5,217,445号に記載の繊維）、毛管チャン
ネル繊維（すなわち米国特許第5,200,248号に記載のよ
うな繊維間毛管チャンネルを有する繊維）、吸収性フォ
ーム、吸収性スポンジ、合成ステープルファイバ、ポリ
マー繊維、ピートモスまたは同等の材料またはその組合
せを含む。
前に列挙したポリマーゲル化剤は、「吸収性ゲル化
剤」または「超吸収性材料」とも呼ばれる。このように
して、吸収性コア42の中に排出された液体はポリマーゲ
ル化剤によって取得し保持され、このようにして吸収容
量が高くまた／あるいは液体保持性能の優れた本発明の
製品が得られる。吸収性コア42の中に使用されるポリマ
ーゲル化剤は一般に、実質的に不水溶性の、軽度に橋か
け結合された、部分的中和されたハイドロゲル形成ポリ
マー材料の粒子41を含む。またポリマーゲル化剤はペレ
ット状、フレーク状または繊維状など、任意形状とする
事ができる。
第２図に図示の好ましい実施態様において、吸収性コ
ア42はラミネートである。このラミネートは、２層のエ
アレイドティシュ、すなわち第１ティシュ層43および第
２ティシュ層47（または「上方」および「下方」ティシ
ュ層）の間に粒子41状の超吸収性ポリマーゲル化剤層を
介在させて成る。前記第１および第２ティシュ層43、47
は超吸収性ポリマーゲル化剤を収容し、吸収性コア42全
体にわたって吸収された***物を横方向に滲透させ、一
定の吸収度を与える。これらのティシュ層43、47は、超
吸収性ポリマーゲル化剤粒子41を挟持して折り畳まれた
単一のティシュウエブとする事ができ、または同一ティ
シュ（または相異なるティシュ）の２つの別々のシート
とする事ができる。
適当なラミネートはアイオワ、マスカチン、グレイン
・プロセッシング・コーポレーションから入手される超
吸収性ラミネートWATER−LOCK Ｌ−535（登録商標）で
ある。このような超吸収性ラミネートは米国特許第4,46
7,012号、米国特許第4,260,443号および米国特許第4,57
8,068号に記載され、これらの特許を引例とする。ラミ
ネートを成す吸収性コア42はこれを切断しまたはスリッ
トを備える事によって延伸性に成される。第１図に図示
の吸収性コア42は、長手方向延伸性のために好ましくは
その全表面においてスリットを備えた前記の型のラミネ
ートである。
他の実施態様において、ラミネート吸収性コア42は、
20％乃至200％引張りを有するティシュ（すなわち非延
伸サイズからその1.2倍乃至３倍の延伸サイズまで延伸
されるティシュ）から製造する事によって延伸性とする
事ができる。このようなティシュシートは種々の工程に
よって製造する事ができる。１つの実施態様において、
ティシュシートは通常の方法でクレープ処理されたティ
シュである。例えばこのティシュは、ヤンキードライヤ
ーからクレーピング処理された直後にクリープを引き延
ばす前のBOUNTYティシュとする事ができる。このような
ティシュを製造する方法は米国特許第5,098,522号に記
載されている。
生理用ナプキンから液体の浸出および排除を防止する
ためあるいは生理用ナプキンを延伸させる際にその液体
含有超吸収性ポリマーゲル化剤の脱出を防止するため、
この生理用ナプキンの縦縁および横縁22、24が密封され
る事が好ましい。あるいは、生理用ナプキンの縁全体を
密封するのでなく、吸収性コア42の縁42Cと42Dを密封す
る事ができる。例えば吸収性コア42の縁をティシュ層に
よって包囲しまたは被覆する事ができる。他の実施態様
において、液体または液体含有超吸収性ポリマーゲル化
剤粒子41が吸収性コア42から浸出し脱出する事を防止す
るため、ティシュの縁を折り畳みまたはその他処理する
事ができる。生理用ナプキン20の外周全体の永久的シー
ルは生理用ナプキンの延伸に際して破れないものでなけ
ればならない（すなわち生理用ナプキンの使用期間中シ
ールが保持されなければならない）。
バックシート40は、パンティー、パジャマおよび下着
類などの生理用ナプキン20と接触する製品を吸収性コア
42の中の***物が濡らさないようにする。バックシート
40は（液体、例えば月経および／または尿）に対して不
透液性である。バックシート40は好ましくは薄い、可撓
性の不透液性材料から成る。
バックシート40は織布または不織布材料、ポリエチレ
ンまたはポリプロピレンの熱可塑性フィルムなどのポリ
マーフィルム、またはフィルムで被覆された不織布材料
などの複合材料を含む。好ましいバックシートは約0.01
2mm（0.5ミル）乃至約0.051mm（2.0ミル）の厚さを有す
るポリエチレンフィルムである。ポリエチレンフィルム
の例はオハイオ、シンシナティーのクロペイ・コーポレ
ーションによって商標P18−0401で市販され、またイン
ディアナ、テル・ホートのトレデガー・フィルム・プロ
ダクツから商標XP−39385で市販されている。
バックシート40は好ましくは布様外観を示すためにエ
ンボス処理されまたはマテ仕上げされる。さらにバック
シート40は、***物の通過を防止しながら吸収性コア42
から蒸気を脱出させる事ができる（すなわちバックシー
ト40は呼吸性とする事ができる）。例えばパンティーラ
イナーなどの製品については下水に流す事のできるまた
は生物分解性のバックシートを使用する事もできる。
またバックシートはプリーツ形成、波形処理またはリ
ングローリングなどの機械的処理によって延伸性とする
事ができる。しかし好ましくはバックシート40は米国特
許第4,476,180号に記載のような弾性フィルムで形成す
る事により延伸性に成される。このようなフィルムはイ
リノイス、レイク・チューリッヒのエクソン・ケミカル
・カンパニーからExxon film EXX−500（以前はEXX−
７）として市販されている。
他の特に好ましい延伸性バックシートは、ウイスコン
シン、ワウワトサのフィンドレー・アドヘッシブズ・カ
ンパニーで製造されている延伸性接着剤フィルムFormul
a＃198−338である。フィンドレー接着性フィルムは200
−300％延伸する事のできる不透液性フィルムである。
このフィルムは弾性延伸性であるので特に好ましい。バ
ックシート40は２層または２層以上を含む延伸性ラミネ
ート構造とする事ができる。例えば、バックシートは両
側面から延伸性不織布ウエブまたは延伸性フィルムで覆
われたフィンドレー接着性フィルム層から成るラミネー
トとする事ができる。他の適当なバックシート材料は米
国特許第5,007,906号に記載の不織布／フィルムラミネ
ートである。
生理用ナプキン20は、トップシート38と吸収性コア42
との間に配置されたオプションとしての低延伸性部品21
6を備える。この低延伸性部品216は生理用ナプキン20の
中央区域32の中に配置される。この低延伸性部品216は
生理用ナプキンの他の部分の引張りに対応して曲がる
（好ましくは立ち上がって身体との接触を改良する）。
低延伸性部品216は、生理用ナプキン20の本体部分21
の他の部分の少なくとも一部より低延伸性の任意の型の
部品とする事ができる。（前記の生理用ナプキンの他の
部分とは低延伸性バリヤ以外の生理用ナプキン部分を言
う。バリヤは好ましくはこの低延伸性部品とは別個に機
能する。）低延伸性部品216は比較的に非延伸性とす
る。他の実施態様においてこの低延伸性部品は一定量の
延伸性を有する事ができる。
低延伸性部品216は身体対向面216A、衣類対向側面216
B、一対の縦縁216Cおよび一対横縁216Dを有する。延伸
性部品216の構造は、この部品の縦縁216Cに対して横方
向内向き圧縮力が加えられた時に、弓状になりまたは捻
れる程度に剛性である。この低延伸性部品216は好まし
くは、生理用ナプキンの使用中に加えられる横方向応力
に対向してｚ方向に立ち上がらずに内側に圧潰するもの
であってはならない（すなわちスポンジのように「潰
れ」てはならない）。低延伸性部品216は材料層の形と
し、またはその他の適当な形状とする事ができる。低延
伸性部品216は好ましくは、乾燥した時にもまた体液な
どで湿った時にも十分な剛性を保持する事が好ましい。
低延伸性部品216は適当な材料で形成する事ができる。
この材料は柔らかで、可撓性で、吸収性、しかも弓状に
なりまたは捻れる程度に剛性でなければならない。低延
伸性部品216は種々の基本的吸収性コア材料で製造する
事ができる。しかしこれらのコア材料は、延伸性を生じ
るための処理（例えばリングローリング、プリーツ形
成、波形処理またはスリット形成）を受けてはならな
い。第１図−第３図は、低延伸性部品216としてスリッ
ト処理されていない超吸収性ラミネートを使用する実施
態様を示す。この低延伸性部品216はその中央に長手方
向折り曲げ線を形成するように折り曲げる事によって反
らされるように設計される。
低延伸性部品216は吸収性コア42の上に単に配置して
生理用ナプキン20の周囲の部品に対してぴったりと嵌合
するように配置保持する事ができる。第１図−第３図の
実施態様において、この部品216はその各縦縁の単一点2
30において固着される。
生理用ナプキン20を引き延ばす時、その中心区域32が
狭くなる。これにより、低延伸性部品216が弓状断面に
なりまたは湾曲して、生理用ナプキンの長手方向中心線
Ｌにそってリッジ218を形成する（第４図および第５
図）。
第１図−第５図に示すバリヤ44はトップシート38の上
に重なった狭いストリップを含む。バリヤ44は生理用ナ
プキンの少なくとも縦縁22にそって配置される。このス
トリップ44は外向き面44A、内向き面44B、一対の縁、す
なわち少なくとも内側縁44C'と外側縁44C"、および一対
の末端44Dを有する。外側縁44C"は、内側縁44C'より
も、生理用ナプキンの長手方向中心線と横方向中心線の
交点から遠くに配置される。
バリヤの近位縁44C'は、ストリップの外側縁44C"と末
端44Dを生理用ナプキンの縁26にそってトップシート38
に固着する事によって形成される。ストリップの内側縁
44C'は両端44Dの間においてトップシートに対して固着
されず、バリヤの自由縁を成す。第１図および第２図は
バリヤ44をトップシート38に対して接合する好ましい方
法を示す。この実施態様のバリヤ44の外側縁44C"は生理
用ナプキンの縁22および24と同一レベルにある。内側縁
44C'は吸収性コアの少し上まで内側に延在する。
バリヤ44は、好ましくは不透液性のバリヤシール92に
よってトップシート38に接合される。バリヤシール92は
任意適当な型の取り付け手段とする事ができる。好まし
くはバリヤシール92は接着剤またはヒートシールとし、
トップシートとバックシートを固着するために使用され
た外周シーム90（下記に説明）とほぼ同一の形状に施用
される。
第１図と第２図に示すバリヤ44は好ましい構造の１つ
にすぎない。バリヤの種々のサイズおよび形状、および
バリヤを生理用ナプキンに接合する種々の方法がある。
例えばバリヤはおむつなどの他の型の吸収性製品におい
てこれより大型とする事ができる。またバリヤは吸収性
製品の縁と同一形状である必要はなく、また吸収性製品
の縁と同一レベルに接合する必要もない。例えばバリヤ
は吸収性製品の縁から内側に離れた近位縁において接合
する事ができる。またバリヤの両端の間の若干点におい
てバリヤの遠位縁を生理用ナプキンに対して接合する事
ができるがこれは好ましい実施態様ではない。他の実施
態様も可能である。
バリヤ44は任意適当な不透液性材料または液体抵抗性
材料から成る事ができる。またバリヤは、加えられた同
一の力のもとに、その取り付け部品（例えばトップシー
ト38）よりも低延伸性である。またバリヤは比較的非延
伸性する事ができる。あるいはバリヤは延伸性とする事
ができるが、その取り付けられた部品よりも低延伸性と
する。
第１図−第３図に図示の好ましい実施態様において、
バリヤは米国特許第4,476,180号に記載のフィルムのよ
うな延伸性の、好ましくは弾性延伸性のフィルムとする
事ができる。このようなフィルムはイリノイス、レイク
・チューリッヒのエクソン・ケミカル・カンパニーから
Exxon film EXX−500（以前はEXX−７）として市販さ
れている弾性フィルムである。特に好ましい実施態様に
おいて、バリヤ44は、着用者の快適性のために柔らかな
身体対向面を備えたこのようなフィルム144のストリッ
プとする事ができる。第２図の実施態様においては、フ
ィルムストリップ144の外側面に対して柔らかな、好ま
しくは非常に疎水性の不織布材料146が積層されてい
る。
特に好ましい実施態様において、同様のストリップを
生理用ナプキンの横縁にそって固着して生理用ナプキン
の外周全体に沿ったバリヤを形成する事ができる。生理
用ナプキンの縦縁と横縁にそったストリップを相互に固
着して外周全体にそった連続バリヤを備える事ができ、
あるいはこれらのストリップを相互に固着しない事もで
きる。
バリヤは下記のように作用する。生理用ナプキンが引
張られていなければ、ストリップ44はトップシート38に
対して平坦に横たわる。生理用ナプキンが引張られてい
れば、ストリップ44の固着されていない部分が平坦位置
からさらに直立した位置に移行し、生理用ナプキンの縦
縁にそって相互に内側に対向したリップ（またはガスケ
ット）を形成し、これらのリップがトップシートにそっ
た液体流に対するバリヤを成す。リップの立ち上がり
は、バリヤの固着縁部分と非固着縁部分の長さの相違に
よる。好ましくは第５図に図示のように、バリヤと生理
用ナプキンの縁が共に巻き上がってリップを形成し、生
理用ナプキンの縁にそってＵ形バリヤ構造を成してい
る。
前記の生理用ナプキンの各部品（トップシート、バッ
クシートおよび吸収性コアなど）は生理用ナプキンを延
伸させるような任意適当な方法で相互に固着される。第
１図の好ましい実施態様において、生理用ナプキンの各
部品のサイズは、トップシート38とバックシート40の縁
が吸収性コア42の縁を越えて外側に延在するように決定
されている。吸収性コア42の縁を越えて外側に延在する
トップシート38の縁部分がバックシート40の対応部分に
対して固着されている。第１図に図示のように、トップ
シート38は好ましくは不透液性シーム90にそってバック
シート40に対して固着される。シーム90はこの目的のた
めに一般に使用される業界公知の任意手段によって形成
され、好ましくはトップシート38をバックシートの接着
剤に接着する事によって形成される。
このような構造は、生理用ナプキンの隣接部品の対向
面を相互に固着する事なく各部品を相互に十分に固着で
きる事が発見された。しかし、前記のように、一部の部
品の面を相互に固着する事が望ましい場合もしばしばで
ある。
前記の方法は簡単構造の好ましい実施態様である（各
部品の他の結合手段を使用する事もできる）。例えば本
発明はいわゆる「チューブ状」製品を含む。これらの製
品において、透液性カバー材料（トップシートなど）が
吸収性コアおよびバックシートの回りに完全に巻き付け
られ、次に各部品を相互に固着する。他の実施態様にお
いては、トップシートが吸収性コアの回りに巻き付けら
れ、この巻き込まれた吸収性コアがバックシート上に配
置されて固着される。
第３図は、生理用ナプキン20をパンティーの股部分に
対して固着するために生理用ナプキンの衣類面20Bが感
圧接着剤50などのファスナーを備えた構造を示す。接着
剤はこれ以外の適当形状に取付ける事ができる。接着剤
ファスナー50は延伸性、または非延伸性、またはそのパ
タンの一部を延伸性とし他の部分を非延伸性とする事が
できる。
接着剤が延伸性であれば、この接着剤は表１に表示さ
れたように生理用ナプキンとほぼ同一量延伸する事が好
ましい。適当な延伸性接着剤は延伸性接着剤そのもの
と、延伸性接着剤／バリヤフィルム組立体とを含む。業
界公知の任意の延伸性接着剤を使用する事ができる。適
当な延伸性接着剤／バリヤフィルム組立体は、延伸性バ
リヤフィルム上に使用された非延伸性接着剤、フィンド
レー接着剤198−338などの弾性延伸性接着剤、または低
モジュラス弾性フィルム上の噴霧接着剤、例えば3M接着
剤1442を含むがこれには限定されない。
適当な非延伸性接着剤は、センチュリー・アドヘッシ
ブズから製品ナンバーA305−４として市販され、または
オハイオ、コビングトンの３シグマ・ディビジョン、ア
ンカー・コンティネンタル・インコーポレイテッドから
市販され、またH.P.フラー・カンパニーからFuller Ｈ
−2238ZPとして市販されているような0.6ミルパス接着
剤である。
接着剤ファスナー50は好ましくはリリースライナ（ま
たはカバーストリップ）52によって被覆される。任意の
市販のリリースライナを使用する事ができる。好ましい
実施態様において、リリースライナの代わりに米国特許
第4,556,146号に記載のように、ラッパーを使用し、こ
のラッパーがそれぞれの包装された生理用ナプキンを成
すと共に、使用後の生理用ナプキンを処分する容器を成
すようにする事ができる。
説明を簡単にするため最初にファスナーを接着剤とし
て説明した。しかしファスナーの型は接着剤には限定さ
れない。好ましいファスナーは、感圧接着剤などの接着
性ファスナー手段、機械的ファスナーおよび接着剤ファ
スナーと機械的ファスナーの組合せを含むがこれには限
定されない。また生理用ナプキンはオプションとしてポ
リエチレン末端ガード140を備える事もできる。
以下、本発明を図面に示す実施例について説明するが
本発明はこれらの実施例に限定されるものではない。
実施例 生理用ナプキンの各部品を入手する。トップシート38
は米国特許第4,463,045号によって製造されリングロー
リングされて延伸性を与える。超吸収性材料収容層は、
ヤンキードライヤーから出たままのクレープを除去され
ないBOUNTYティシュの単一プライの形で得られる。コア
は長手方向延伸性を生じるために全長にスリットを備え
た吸収性ゲル化剤（AGM）ラミネートである。バックシ
ートはフィンドレー198−338接着剤と不織布ファブリッ
クとのラミネートである。不織布ファブリックはマサチ
ューセッツ、ウォルポール、ベラテックから入手された
セラニーズ不織布ファブリックｔ−138である。この不
織布材料をフィンドレー接着剤フィルムにラミネート
し、このラミネートが長手方向に（不織布中の繊維の配
向に対して直角方向に）延伸するようにする。不織布材
料は仕上がり製品の外側に配置される。
製品の組立は次のように実施される。リングローリン
グされたトップシートをサイズ切断する。フィンドレー
H2031接着剤をトップシートに対して0.005g/in2で螺旋
パタンに施用する事によって、クレプートBOUNTYティシ
ュをトップシートに対して接合する。吸収性コアの衣類
側面の末端区域をクレープトBOUNTYティシュの複数片に
よって覆う。この吸収性コアをバックシートの上に配置
する。吸収性コアの身体側面の中央区域の上に、スリッ
トされないAGMラミネートの２ 1/2"×２ 5/8片を配置
する。AGMラミネート片をその長手方向縁の中央におい
て、バックシートの縁に対して接着剤で接着する。トッ
プシートとクレープトティシュラミネートをコアの上に
配置する。これらの部品を相互に固着し、縁部分を平滑
にする。縁部分を巻いて密封する。最終形状にトリミン
グする。パッドの縦縁にそってEX−500片をヒートシー
ルによって接着し、パッドの最も狭い中心区域において
縁位縁が吸収性コアの中心に向かってトップシートの上
に2mm延在し、パッドの最も広い区域に5mm延在するよう
に接着する。フラーHL2238パンティーファスナー接着剤
（PFA）を製品の衣類側面に対して、第３図に図示のパ
タンの螺旋形に被着する。トップシートに0.01gのペン
シルバニア、ウイリアムスポート、ロンザ・インコーポ
レイテッドから入手されたPegosperse200MLを噴霧す
る。
好ましい生理用ナプキンについて説明したのである
が、その他多数の実施態様がそれぞれの文献に記載され
ている。生理用ナプキンは前記の部分またはフィーチャ
の一部または全部を備える事ができる。例えば生理用ナ
プキン20は一対のフラップを備え、各フラップが生理用
ナプキンの本体部分の縦縁に隣接しこの縦縁から横方向
外側に延在する事ができる。（本体部分はフラップを備
えない生理用ナプキンの部分である。）本発明の生理用
ナプキン20と共に使用するに適した多数のフラップが公
知である。これらのフラップは米国特許第4,285,343
号、米国特許第4,589,876号、米国特許第4,608,047号、
米国特許第4,687,478号および再審査特許BI第4,589,876
号に記載されている。特に好ましい型のフラップが下記
の米国特願に記載されている。すなわち米国特願第07/7
69,891号（PCT出願WO第93/06805号）および米国特願第0
7/906,593号、および米国特願第07/906,629号に記載さ
れている。
さらに、PCT公表No.WO 93/01785およびWO 93/01786
およびこれらの文献に記載されたすべてのテスト法を引
例として含める事を注意しなければならない。この場合
１インチ（2.5cm）ストリップの長手方向延伸性を測定
する手順を変更してサンプルの全長が吸収性製品の吸収
性部品の少なくとも１つを含むように、ストリップを長
手方向中心線にそって切断するのみならず長手方向中心
線に対して平行に切断する事ができる。しかしサンプル
が吸収性製品の側面弾性フィーチャを含む程度に縦縁に
近接してサンプルを切断してはならない。このように測
定されたサンプルが請求の範囲の範囲内にあるならば、
その吸収性製品は本発明の主旨の範囲内にある。
用語「パンティー ライナー」または「パンティーラ
イナー」は、月経時に婦人によって着用される生理用ナ
プキンよりカサの低い吸収性製品を言う。パンティーラ
イナーの形の吸収性製品の例は米国特許第4,738,676号
に記載されている。
用語「失禁製品」は、これが成人によって着用されよ
うと他の失禁者によって着用されようと関係なく、パッ
ド、下着（ベルトなどの同一型の懸垂システムによって
配置保持されるパッド）、吸収性製品のインサート、吸
収性製品の容量ブースタ、ベッドパッドおよび類似物を
言う。本発明による部品を備える事のできる適当な失禁
製品は米国特許第4,253,461号、米国特許第4,597,761号
および米国特許第4,597,761号、前記米国特許第4,704,1
15号、米国特許第4,909,802号、米国特許第4,964,860
号、および米国特許第07/637,090号および第07/637,571
号（PCT公表No.WO92/11830、およびWO92/11831）に記載
されている。
本発明の焦点は、着用者の下着の股区域に着用される
ための吸収性製品にある。しかし本発明のフィーチャは
おむつなどの吸収性製品においても使用する事ができ
る。おむつは、着用者のウエスト回りに固定される幼児
または失禁者によって着用される吸収性製品である。本
発明の部品を備える事のできる適当なおむつは米国特許
第3,860,003号および米国特許第5,151,092号に記載され
ている。
本件特願において記載されたすべての特許および特願
の開示（これらの特願に基づく特許および対応の外国特
許）および出版物を引例とする。しかしこれらの文献の
いずれも本発明を教示または開示しているとは明白に認
められない。また本明細書に記載のいずれの市販の材料
または製品も本発明を教示しまたは開示しているとは明
白に認められない。
本発明は前記の説明のみに限定されるものでなく、そ
の主旨の範囲内において任意に変更実施できる。
フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) A61F 13/15

Claims (12)

    (57)【特許請求の範囲】
  1. 【請求項１】長手方向方向の長手方向中心線と、横方向
    の横方向中心線と、吸収性製品の外周を形成する一対の
    長手方向縦縁および一対の横縁とを有する吸収性製品に
    おいて、前記吸収性製品は、 透液性トップシートと、 前記トップシートに接合された不透液性バックシート
    と、 前記トップシートと前記バックシートとの間に配置され
    た吸収性コアと、 吸収性製品の少なくとも一方の縦縁に隣接するバリヤで
    あって、前記バリヤは内側縁と外側縁と一対の末端とを
    有するバリヤとを含み、 ここに、前記バリヤの外側縁と末端が前記トップシート
    に接合され、また前記バリヤの内側縁の少なくとも一部
    が前記末端間において前記トップシートに対して接着さ
    れない事、また 少なくとも前記トップシートが延伸性であり前記バリヤ
    が前記トップシートより低延伸性であるので、前記トッ
    プシートを延伸する際に前記バリヤが直立姿勢まで移動
    してリップを成し、このリップが体液に対するバリヤと
    して作用する事を特徴とする吸収性製品。
  2. 【請求項２】前記トップシートは長手方向に延伸性であ
    る事を特徴とする請求項１に記載の吸収性製品。
  3. 【請求項３】２つのバリヤを有し各バリヤが各縦縁に隣
    接して配置される事を特徴とする請求項１に記載の吸収
    性製品。
  4. 【請求項４】前記バリヤが前記トップシートに重なる事
    を特徴とする請求項１に記載の吸収性製品。
  5. 【請求項５】前記バックシートと前記吸収性コアも延伸
    性である事を特徴とする請求項１に記載の吸収性製品。
  6. 【請求項６】各横縁に隣接してバリヤを含む事を特徴と
    する請求項３に記載の吸収性製品。
  7. 【請求項７】前記バリヤは不透液性フィルムを含む事を
    特徴とする請求項１に記載の吸収性製品。
  8. 【請求項８】前記不透液性フィルムを覆う柔らかな材料
    を含む事を特徴とする請求項７に記載の吸収性製品。
  9. 【請求項９】第１末端区域と、第２末端区域と、前記第
    １末端区域および第２末端区域の間に配置された中央区
    域とを有し、前記中央区域が末端区域より狭い事を特徴
    とする請求項１に記載の吸収性製品。
  10. 【請求項１０】砂時計型を有する事を特徴とする請求項
    ９に記載の吸収性製品。
  11. 【請求項１１】犬骨形状を有する事を特徴とする請求項
    ９に記載の吸収性製品。
  12. 【請求項１２】前記トップシート、バックシートおよび
    吸収性コアの少なくとも一部から成る本体部分を有し、
    前記本体部分は一対の縦縁と一対の横縁とを有し、さら
    に前記本体部分の縦縁から外側に延在した一対のフラッ
    プを含む事を特徴とする請求項１乃至９のいずれかに記
    載の吸収性製品。
JP50471294A 1992-07-23 1993-07-22 低延伸性バリヤを有する延伸性吸収性製品 Expired - Fee Related JP3447288B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/915,133 1992-07-23
US07/915,133 US5824004A (en) 1990-06-18 1992-07-23 Stretchable absorbent articles
PCT/US1993/006938 WO1994002095A1 (en) 1992-07-23 1993-07-22 Extensible absorbent article having less extensible barriers

Publications (2)

Publication Number Publication Date
JPH09502104A JPH09502104A (ja) 1997-03-04
JP3447288B2 true JP3447288B2 (ja) 2003-09-16

Family

ID=25435272

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Application Number Title Priority Date Filing Date
JP06504727A Expired - Fee Related JP3098034B2 (ja) 1992-07-23 1993-07-22 パンティの両サイドを自然に包むパンティカバー部材を有する吸収用品
JP6504719A Withdrawn JPH07509162A (ja) 1992-07-23 1993-07-22 会陰との接触が改善された月経用ショーツ
JP50471294A Expired - Fee Related JP3447288B2 (ja) 1992-07-23 1993-07-22 低延伸性バリヤを有する延伸性吸収性製品
JP50472694A Expired - Fee Related JP3696235B2 (ja) 1992-07-23 1993-07-22 改良されたファスナシステムを有する生理用ショーツ
JP50468894A Expired - Fee Related JP3534754B2 (ja) 1992-07-23 1993-07-23 伸縮性吸収構造体

Family Applications Before (2)

Application Number Title Priority Date Filing Date
JP06504727A Expired - Fee Related JP3098034B2 (ja) 1992-07-23 1993-07-22 パンティの両サイドを自然に包むパンティカバー部材を有する吸収用品
JP6504719A Withdrawn JPH07509162A (ja) 1992-07-23 1993-07-22 会陰との接触が改善された月経用ショーツ

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Application Number Title Priority Date Filing Date
JP50472694A Expired - Fee Related JP3696235B2 (ja) 1992-07-23 1993-07-22 改良されたファスナシステムを有する生理用ショーツ
JP50468894A Expired - Fee Related JP3534754B2 (ja) 1992-07-23 1993-07-23 伸縮性吸収構造体

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JP (5) JP3098034B2 (ja)
KR (5) KR100295523B1 (ja)
CN (2) CN1111394C (ja)
AT (4) ATE167050T1 (ja)
AU (7) AU4783693A (ja)
BR (3) BR9306769A (ja)
CA (5) CA2140766C (ja)
CZ (3) CZ284050B6 (ja)
DE (4) DE69322390T2 (ja)
DK (1) DK0651630T3 (ja)
ES (4) ES2125344T3 (ja)
FI (3) FI950255A0 (ja)
GR (1) GR3030452T3 (ja)
HK (3) HK1012161A1 (ja)
HU (3) HU217377B (ja)
MX (1) MX9300354A (ja)
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CA2239464A1 (en) 1994-02-03
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FI950256A0 (fi) 1995-01-20
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HU9500184D0 (en) 1995-03-28
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HU217377B (hu) 2000-01-28
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US5824004A (en) 1998-10-20
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