CA1099882A - Methode et installation d'impregnation d'une pellicule microporeuse, et produit ainsi obtenu - Google Patents

Methode et installation d'impregnation d'une pellicule microporeuse, et produit ainsi obtenu

Info

Publication number
CA1099882A
CA1099882A CA299,425A CA299425A CA1099882A CA 1099882 A CA1099882 A CA 1099882A CA 299425 A CA299425 A CA 299425A CA 1099882 A CA1099882 A CA 1099882A
Authority
CA
Canada
Prior art keywords
film
velocity
rollers
polymer
nip
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
Application number
CA299,425A
Other languages
English (en)
Inventor
Eckhard C.A. Schwarz
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.)
Biax Fiberfilm Corp
Original Assignee
Biax Fiberfilm Corp
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
Priority claimed from US05/780,034 external-priority patent/US4153751A/en
Application filed by Biax Fiberfilm Corp filed Critical Biax Fiberfilm Corp
Application granted granted Critical
Publication of CA1099882A publication Critical patent/CA1099882A/fr
Expired 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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
    • 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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
CA299,425A 1977-03-22 1978-03-21 Methode et installation d'impregnation d'une pellicule microporeuse, et produit ainsi obtenu Expired CA1099882A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US780,034 1977-03-22
US05/780,034 US4153751A (en) 1975-03-31 1977-03-22 Process for stretching an impregnated film of material and the microporous product produced thereby

Publications (1)

Publication Number Publication Date
CA1099882A true CA1099882A (fr) 1981-04-28

Family

ID=25118358

Family Applications (1)

Application Number Title Priority Date Filing Date
CA299,425A Expired CA1099882A (fr) 1977-03-22 1978-03-21 Methode et installation d'impregnation d'une pellicule microporeuse, et produit ainsi obtenu

Country Status (4)

Country Link
JP (1) JPS53137270A (fr)
CA (1) CA1099882A (fr)
DE (1) DE2812263A1 (fr)
GB (1) GB1579718A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285100A (en) * 1975-03-31 1981-08-25 Biax Fiberfilm Corporation Apparatus for stretching a non-woven web or an orientable polymeric material
EP0350034A3 (fr) * 1988-07-08 1992-01-15 Bruno Gruber Feuille structurée en matière plastique, en particulier thermoplastique, comme par exemple polyéthylène, ainsi que procédé et appareil pour sa fabrication
AR038590A1 (es) * 2002-02-22 2005-01-19 Clopay Plastic Prod Co Hoja laminada de pelicula y metodos para su fabricacion
US7932196B2 (en) 2003-08-22 2011-04-26 Kimberly-Clark Worldwide, Inc. Microporous stretch thinned film/nonwoven laminates and limited use or disposable product applications
US7651653B2 (en) 2004-12-22 2010-01-26 Kimberly-Clark Worldwide, Inc. Machine and cross-machine direction elastic materials and methods of making same
GB0721410D0 (en) * 2007-10-31 2007-12-12 Rasmussen O B Method and apparatus for longitudinal orientation of thermoplastic film material

Also Published As

Publication number Publication date
DE2812263A1 (de) 1978-09-28
GB1579718A (en) 1980-11-26
JPS53137270A (en) 1978-11-30

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Legal Events

Date Code Title Description
MKEX Expiry