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CA2068491A1 - Breathable composite barrier fabric - Google Patents

Breathable composite barrier fabric

Info

Publication number
CA2068491A1
CA2068491A1 CA 2068491 CA2068491A CA2068491A1 CA 2068491 A1 CA2068491 A1 CA 2068491A1 CA 2068491 CA2068491 CA 2068491 CA 2068491 A CA2068491 A CA 2068491A CA 2068491 A1 CA2068491 A1 CA 2068491A1
Authority
CA
Canada
Prior art keywords
fabric
middle layer
composite barrier
barrier
outer layers
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
CA 2068491
Other languages
French (fr)
Other versions
CA2068491C (en
Inventor
John D. Langley
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.)
Kappler Safety Group
Original Assignee
Kappler Safety Group
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 Kappler Safety Group filed Critical Kappler Safety Group
Priority to CA 2068491 priority Critical patent/CA2068491C/en
Publication of CA2068491A1 publication Critical patent/CA2068491A1/en
Application granted granted Critical
Publication of CA2068491C publication Critical patent/CA2068491C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Laminated Bodies (AREA)

Abstract

Abstract of the Disclosure A three-layered composite barrier fabric has a middle layer of a microporous polyolefin film, in particular polypropylene, and top and bottom layers of spun-bonded polyolefin webs, also preferably made of polypropylene. The three layers are secured to one another by ultrasonic point bonding at spaced-apart points. The middle layer of the composite provides a barrier to liquids such as water or blood while allowing water vapor to be transmitted therethrough. The outer layers provide for strength and overall characteristics of the fabric. The resulting fabric provides breathability by allowing transmission of vapor such as perspiration, consistent with stopping flow of liquid through the fabric. The outer layers provide effective strength and other physical properties to enable their use in protective garments.
CA 2068491 1992-05-12 1992-05-12 Breathable composite barrier fabric Expired - Fee Related CA2068491C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2068491 CA2068491C (en) 1992-05-12 1992-05-12 Breathable composite barrier fabric

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2068491 CA2068491C (en) 1992-05-12 1992-05-12 Breathable composite barrier fabric

Publications (2)

Publication Number Publication Date
CA2068491A1 true CA2068491A1 (en) 1993-11-13
CA2068491C CA2068491C (en) 2001-08-07

Family

ID=4149821

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2068491 Expired - Fee Related CA2068491C (en) 1992-05-12 1992-05-12 Breathable composite barrier fabric

Country Status (1)

Country Link
CA (1) CA2068491C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5843056A (en) 1996-06-21 1998-12-01 Kimberly-Clark Worldwide, Inc. Absorbent article having a composite breathable backsheet
US5879341A (en) 1996-03-29 1999-03-09 Kimberly-Clark Worldwide, Inc. Absorbent article having a breathability gradient

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879341A (en) 1996-03-29 1999-03-09 Kimberly-Clark Worldwide, Inc. Absorbent article having a breathability gradient
US5843056A (en) 1996-06-21 1998-12-01 Kimberly-Clark Worldwide, Inc. Absorbent article having a composite breathable backsheet

Also Published As

Publication number Publication date
CA2068491C (en) 2001-08-07

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed