BR8303038A - Processo de estiramento longitudinal de pelicula poliester previamente estirada transversalmente e pelicula obtida - Google Patents

Processo de estiramento longitudinal de pelicula poliester previamente estirada transversalmente e pelicula obtida

Info

Publication number
BR8303038A
BR8303038A BR8303038A BR8303038A BR8303038A BR 8303038 A BR8303038 A BR 8303038A BR 8303038 A BR8303038 A BR 8303038A BR 8303038 A BR8303038 A BR 8303038A BR 8303038 A BR8303038 A BR 8303038A
Authority
BR
Brazil
Prior art keywords
film
getted
stretching process
longitudinal stretching
previously stretched
Prior art date
Application number
BR8303038A
Other languages
English (en)
Portuguese (pt)
Inventor
Marie-Odile Jacquier
Original Assignee
Rhone Poulenc Films
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 Rhone Poulenc Films filed Critical Rhone Poulenc Films
Publication of BR8303038A publication Critical patent/BR8303038A/pt

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
    • 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
    • B29C55/146—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly transversely to the direction of feed and then parallel 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
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
BR8303038A 1982-06-10 1983-06-08 Processo de estiramento longitudinal de pelicula poliester previamente estirada transversalmente e pelicula obtida BR8303038A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8210367A FR2528354A1 (fr) 1982-06-10 1982-06-10 Procede d'etirage longitudinal de film polyester prealablement etire transversalement et film ainsi obtenu

Publications (1)

Publication Number Publication Date
BR8303038A true BR8303038A (pt) 1984-01-31

Family

ID=9274987

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8303038A BR8303038A (pt) 1982-06-10 1983-06-08 Processo de estiramento longitudinal de pelicula poliester previamente estirada transversalmente e pelicula obtida

Country Status (5)

Country Link
EP (1) EP0097108A1 (enExample)
JP (1) JPS5948124A (enExample)
KR (1) KR840004886A (enExample)
BR (1) BR8303038A (enExample)
FR (1) FR2528354A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4867937A (en) * 1987-02-17 1989-09-19 Minnesota Mining And Manufacturing Company Process for producing high modulus film
JP4809419B2 (ja) * 2007-12-13 2011-11-09 東洋紡績株式会社 熱収縮性ポリエステル系フィルム、およびその製造方法
KR101725578B1 (ko) 2010-04-08 2017-04-10 도요보 가부시키가이샤 열수축성 폴리에스테르계 필름, 그의 제조방법, 및 포장체

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261903A (en) * 1963-07-02 1966-07-19 Goodyear Tire & Rubber Method and apparatus for film stretching
GB1091035A (en) * 1965-02-24 1967-11-15 Nat Distillers Chem Corp Multiple sequence process for the manufacture of oriented thermoplastic and thermosetting film
GB1430291A (en) * 1973-04-17 1976-03-31 Teijin Ltd Process for the preparation of a biaxially oriented polyester film
JPS5766936A (en) * 1980-10-15 1982-04-23 Teijin Ltd Polyester film

Also Published As

Publication number Publication date
EP0097108A1 (fr) 1983-12-28
KR840004886A (ko) 1984-10-31
FR2528354A1 (fr) 1983-12-16
FR2528354B1 (enExample) 1984-11-16
JPS5948124A (ja) 1984-03-19

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)
B15K Others concerning applications: alteration of classification

Ipc: B29C 55/14 (2006.01), B29C 55/06 (2006.0