CA2289671A1 - Method for forming a breathable film - Google Patents

Method for forming a breathable film Download PDF

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Publication number
CA2289671A1
CA2289671A1 CA002289671A CA2289671A CA2289671A1 CA 2289671 A1 CA2289671 A1 CA 2289671A1 CA 002289671 A CA002289671 A CA 002289671A CA 2289671 A CA2289671 A CA 2289671A CA 2289671 A1 CA2289671 A1 CA 2289671A1
Authority
CA
Canada
Prior art keywords
roll
teeth
regions
film
forming
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
CA002289671A
Other languages
French (fr)
Other versions
CA2289671C (en
Inventor
George Christopher Dobrin
Thomas Masazi Goens
Donna Sue Phillips
John Joseph Curro
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
The Procter & Gamble Company
George Christopher Dobrin
Thomas Masazi Goens
Donna Sue Phillips
John Joseph Curro
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 The Procter & Gamble Company, George Christopher Dobrin, Thomas Masazi Goens, Donna Sue Phillips, John Joseph Curro filed Critical The Procter & Gamble Company
Publication of CA2289671A1 publication Critical patent/CA2289671A1/en
Application granted granted Critical
Publication of CA2289671C publication Critical patent/CA2289671C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers

Abstract

A film (12) which is a blend of a thermoplastic polymer and an inorganic filler is fed between a first roll (52) and a second roll (54). The first roll has a plurality of toothed regions (56) spaced apart by a plurality of grooved regions (58). The toothed regions include a plurality of teeth (57). The second roll has a plurality of teeth (61) which mesh with the teeth on the first roll. As the film is fed between the first roll and the second roll the portion of the film passing between the grooved regions on the first roll and the teeth on the second roll remains substantially planar forming first regions (64) in the film while the portion of the film passing between the teeth on the first roll and the teeth on the second roll are foamed into second regions (66) having raised rib-like elements.
CA002289671A 1997-05-09 1998-05-01 Method for forming a breathable film Expired - Fee Related CA2289671C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/853,301 USH2042H1 (en) 1997-05-09 1997-05-09 Method for forming a breathable film
US08/853,301 1997-05-09
PCT/IB1998/000663 WO1998051475A1 (en) 1997-05-09 1998-05-01 Method for forming a breathable film

Publications (2)

Publication Number Publication Date
CA2289671A1 true CA2289671A1 (en) 1998-11-19
CA2289671C CA2289671C (en) 2004-07-13

Family

ID=25315664

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002289671A Expired - Fee Related CA2289671C (en) 1997-05-09 1998-05-01 Method for forming a breathable film

Country Status (22)

Country Link
US (1) USH2042H1 (en)
EP (1) EP1007329B1 (en)
JP (1) JP2000512934A (en)
KR (1) KR20010012314A (en)
CN (1) CN1261304A (en)
AR (1) AR017501A1 (en)
AT (1) ATE225705T1 (en)
AU (1) AU6932298A (en)
CA (1) CA2289671C (en)
CO (1) CO5050262A1 (en)
DE (1) DE69808650T2 (en)
EG (1) EG21541A (en)
ES (1) ES2187953T3 (en)
HU (1) HUP0002241A3 (en)
ID (1) ID27385A (en)
IL (1) IL132712A0 (en)
NO (1) NO995466L (en)
PE (1) PE86799A1 (en)
TR (1) TR199902749T2 (en)
TW (1) TW422781B (en)
WO (1) WO1998051475A1 (en)
ZA (1) ZA983870B (en)

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BR112013023796A2 (en) 2011-03-18 2016-12-13 Procter & Gamble reinforced multilayer polymeric films and methods for their manufacture
AU2012249908B2 (en) * 2011-04-25 2017-02-23 The Glad Products Company Thermoplastic films with visually-distinct stretched regions and methods for making the same
KR101949220B1 (en) 2016-12-20 2019-02-19 주식회사 폴트리 Gas-permeable composite film and manufacturing method thereof

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Also Published As

Publication number Publication date
NO995466D0 (en) 1999-11-08
TW422781B (en) 2001-02-21
KR20010012314A (en) 2001-02-15
CO5050262A1 (en) 2001-06-27
JP2000512934A (en) 2000-10-03
USH2042H1 (en) 2002-08-06
IL132712A0 (en) 2001-03-19
AR017501A1 (en) 2001-09-12
ATE225705T1 (en) 2002-10-15
CN1261304A (en) 2000-07-26
DE69808650T2 (en) 2003-06-18
AU6932298A (en) 1998-12-08
EP1007329A1 (en) 2000-06-14
NO995466L (en) 1999-12-16
WO1998051475A1 (en) 1998-11-19
EP1007329B1 (en) 2002-10-09
CA2289671C (en) 2004-07-13
HUP0002241A2 (en) 2000-11-28
PE86799A1 (en) 1999-10-21
EG21541A (en) 2001-11-28
ID27385A (en) 2001-04-05
DE69808650D1 (en) 2002-11-14
TR199902749T2 (en) 2000-07-21
ZA983870B (en) 1998-11-13
ES2187953T3 (en) 2003-06-16
HUP0002241A3 (en) 2001-01-29

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Effective date: 20160502