CA2203567C - Milieux filtrants non tisses a masse volumique elevee - Google Patents

Milieux filtrants non tisses a masse volumique elevee Download PDF

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Publication number
CA2203567C
CA2203567C CA002203567A CA2203567A CA2203567C CA 2203567 C CA2203567 C CA 2203567C CA 002203567 A CA002203567 A CA 002203567A CA 2203567 A CA2203567 A CA 2203567A CA 2203567 C CA2203567 C CA 2203567C
Authority
CA
Canada
Prior art keywords
filter medium
medium
polyolefin
thermoplastic polymer
fibers
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
CA002203567A
Other languages
English (en)
Other versions
CA2203567A1 (fr
Inventor
Richard Daniel Pike
Kurtis Lee Brown
Peter Wyndham Shipp, Jr.
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.)
Kimberly Clark Worldwide Inc
Original Assignee
Kimberly Clark Worldwide Inc
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 Kimberly Clark Worldwide Inc filed Critical Kimberly Clark Worldwide Inc
Priority claimed from PCT/US1995/013090 external-priority patent/WO1996013319A1/fr
Publication of CA2203567A1 publication Critical patent/CA2203567A1/fr
Application granted granted Critical
Publication of CA2203567C publication Critical patent/CA2203567C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne un milieu filtrant sous forme de nappe comportant des fibres à deux composants non frisées liées par voie autogène, qui contiennent une polyoléfine et un autre polymère thermoplastique possédant des points de fusion différents. Ce milieu filtrant présente une masse volumique comprise entre environ 0,07 g/cm<3> et environ 0,2 g/cm<3>. L'invention se rapporte également à un milieu filtrant thermoformé en trois dimensions, qui présente une masse volumique comprise entre environ 0,07 g/cm<3> et environ 0,5 g/cm<3>.
CA002203567A 1994-10-31 1995-10-04 Milieux filtrants non tisses a masse volumique elevee Expired - Fee Related CA2203567C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US33229294A 1994-10-31 1994-10-31
US08/332,292 1994-10-31
US42553995A 1995-04-20 1995-04-20
US08/425,539 1995-04-20
PCT/US1995/013090 WO1996013319A1 (fr) 1994-10-31 1995-10-04 Milieux filtrants non tisses a masse volumique elevee

Publications (2)

Publication Number Publication Date
CA2203567A1 CA2203567A1 (fr) 1996-05-09
CA2203567C true CA2203567C (fr) 2006-03-14

Family

ID=36095718

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002203567A Expired - Fee Related CA2203567C (fr) 1994-10-31 1995-10-04 Milieux filtrants non tisses a masse volumique elevee

Country Status (1)

Country Link
CA (1) CA2203567C (fr)

Also Published As

Publication number Publication date
CA2203567A1 (fr) 1996-05-09

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