CA2321418A1 - Highly absorbent and flexible cellulosic pulp fluff sheet - Google Patents

Highly absorbent and flexible cellulosic pulp fluff sheet Download PDF

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Publication number
CA2321418A1
CA2321418A1 CA002321418A CA2321418A CA2321418A1 CA 2321418 A1 CA2321418 A1 CA 2321418A1 CA 002321418 A CA002321418 A CA 002321418A CA 2321418 A CA2321418 A CA 2321418A CA 2321418 A1 CA2321418 A1 CA 2321418A1
Authority
CA
Canada
Prior art keywords
pulp fluff
highly absorbent
cellulosic pulp
fluff sheet
flexible
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
CA002321418A
Other languages
French (fr)
Other versions
CA2321418C (en
Inventor
Henri Brisebois
Zulfikar Murji
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.)
Johnson and Johnson Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from CA002058744A external-priority patent/CA2058744C/en
Publication of CA2321418A1 publication Critical patent/CA2321418A1/en
Application granted granted Critical
Publication of CA2321418C publication Critical patent/CA2321418C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A61F13/53—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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
    • A61F13/15626—Making fibrous pads without 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping

Abstract

A highly absorbent and flexible calendered and perf-embossed cellulosic pulp fluff sheet for use in disposable absorbent products such as sanitary napkins, wound dressings, bandages, incontinence pads, disposable diapers and the like. The invention also extends to a method for manufacturing the highly absorbent and flexible pulp fluff sheet and its method of use in disposable absorbent products.
CA002321418A 1992-01-03 1992-01-03 Highly absorbent and flexible cellulosic pulp fluff sheet Expired - Lifetime CA2321418C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002058744A CA2058744C (en) 1991-01-04 1992-01-03 Highly absorbent and flexible cellulosic pulp fluff sheet

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002058744A Division CA2058744C (en) 1991-01-04 1992-01-03 Highly absorbent and flexible cellulosic pulp fluff sheet

Publications (2)

Publication Number Publication Date
CA2321418A1 true CA2321418A1 (en) 1992-07-05
CA2321418C CA2321418C (en) 2005-09-27

Family

ID=4149028

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002321418A Expired - Lifetime CA2321418C (en) 1992-01-03 1992-01-03 Highly absorbent and flexible cellulosic pulp fluff sheet

Country Status (1)

Country Link
CA (1) CA2321418C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD913507S1 (en) 2018-12-10 2021-03-16 Johnson & Johnson Consumer Inc. Adhesive bandage with decorated pad
USD918398S1 (en) 2018-12-10 2021-05-04 Johnson & Johnson Consumer Inc. Adhesive bandage with decorated pad

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD697216S1 (en) 2011-02-28 2014-01-07 Johnson & Johnson Consumer Companies, Inc. Adhesive bandage with decorated pad
USD694892S1 (en) 2011-02-28 2013-12-03 Johnson & Johnson Consumer Companies, Inc. Adhesive bandage with decorated pad

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD913507S1 (en) 2018-12-10 2021-03-16 Johnson & Johnson Consumer Inc. Adhesive bandage with decorated pad
USD918398S1 (en) 2018-12-10 2021-05-04 Johnson & Johnson Consumer Inc. Adhesive bandage with decorated pad

Also Published As

Publication number Publication date
CA2321418C (en) 2005-09-27

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry