DK456474A - - Google Patents

Info

Publication number
DK456474A
DK456474A DK456474A DK456474A DK456474A DK 456474 A DK456474 A DK 456474A DK 456474 A DK456474 A DK 456474A DK 456474 A DK456474 A DK 456474A DK 456474 A DK456474 A DK 456474A
Authority
DK
Denmark
Application number
DK456474A
Other languages
Danish (da)
Other versions
DK136462C (no
DK136462B (da
Inventor
J R Curtis
T A Palmer
B J Wilson
Original Assignee
Celanese Co
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 Celanese Co filed Critical Celanese Co
Publication of DK456474A publication Critical patent/DK456474A/da
Publication of DK136462B publication Critical patent/DK136462B/da
Application granted granted Critical
Publication of DK136462C publication Critical patent/DK136462C/da

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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/32—Coiling
    • 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
    • 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
    • B29K2067/003—PET, i.e. poylethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/007—Narrow strips, e.g. ribbons, tapes, bands

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Magnetic Record Carriers (AREA)
  • Polyesters Or Polycarbonates (AREA)
DK456474AA 1973-08-29 1974-08-28 Fremgangsmåde ved varmebehandling af polyethylenterephthalatfilm i rulleform. DK136462B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US392843A US3873664A (en) 1973-08-29 1973-08-29 Heat treatment of polyester rolls

Publications (3)

Publication Number Publication Date
DK456474A true DK456474A (no) 1975-04-21
DK136462B DK136462B (da) 1977-10-17
DK136462C DK136462C (no) 1978-03-13

Family

ID=23552229

Family Applications (1)

Application Number Title Priority Date Filing Date
DK456474AA DK136462B (da) 1973-08-29 1974-08-28 Fremgangsmåde ved varmebehandling af polyethylenterephthalatfilm i rulleform.

Country Status (12)

Country Link
US (1) US3873664A (no)
JP (1) JPS5731976B2 (no)
BE (1) BE819326A (no)
CA (1) CA1031921A (no)
DE (1) DE2439985C2 (no)
DK (1) DK136462B (no)
FR (1) FR2242216B1 (no)
GB (1) GB1444035A (no)
IT (1) IT1020246B (no)
NL (1) NL7411380A (no)
NO (1) NO142894C (no)
SE (1) SE7410910L (no)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141735A (en) * 1975-03-31 1979-02-27 Eastman Kodak Company Process for reducing core-set curling tendency and core-set curl of polymeric film elements
US4059667A (en) * 1975-10-20 1977-11-22 E. I. Du Pont De Nemours And Company Biaxially oriented polyethylene terephthalate film and method of making such film
GB1572463A (en) * 1976-04-15 1980-07-30 Agfa Gevaert Flatness control of thermoplastic film
US4242297A (en) * 1976-12-13 1980-12-30 W. R. Grace & Co. Winding core for heat shrinkable film material
JPS6045056B2 (ja) * 1978-09-08 1985-10-07 東レ株式会社 平面性のすぐれたポリエステルフイルムおよびその加工品の製造方法
US4225549A (en) * 1979-07-18 1980-09-30 The Mead Corporation Method to increase the heat deflection temperature of amorphous polyethylene terephthalate
US4329315A (en) * 1980-10-24 1982-05-11 Monsanto Company Sheet stress relaxation
DE3408613C3 (de) * 1984-03-09 1996-02-08 Alkor Gmbh Verfahren und Vorrichtung zur Herstellung unverstreckter Polypropylenfolien mit verbesserter Verschweißbarkeit
US4942000A (en) * 1986-07-30 1990-07-17 Penoyer John A Contactless knurling process for winding of high modulus thermoplastic films
JPS645825A (en) * 1987-06-30 1989-01-10 Teijin Ltd Method for heat-treating polyester film
US4892689A (en) * 1987-07-14 1990-01-09 Agfa-Gevaert N.V. Process for making curled photographic film
JPS6458535A (en) * 1987-08-31 1989-03-06 Teijin Ltd Heat-treatment of polyester film
EP0355876B1 (en) * 1988-07-05 1994-03-09 Agfa-Gevaert N.V. Process for controlling the curl of photographic film
US5093064A (en) * 1989-06-13 1992-03-03 Diafoil Company, Ltd. Low-shrinkage polyester film and preparation thereof
US5256359A (en) * 1992-05-06 1993-10-26 E. I. Du Pont De Nemours And Company Process for manufacturing cast amorphous film
EP1162227B1 (en) * 1999-12-28 2008-06-18 Teijin Limited Polyester film roll
GB0602678D0 (en) 2006-02-09 2006-03-22 Dupont Teijin Films Us Ltd Polyester film and manufacturing process
US20080277522A1 (en) * 2007-05-10 2008-11-13 3M Innovative Properties Company Polymeric film winding systems and methods utilizing ink spacing
US20080277523A1 (en) * 2007-05-10 2008-11-13 3M Innovative Properties Company System and method for winding polymeric films, such as low modulus, polyolefin films

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061886A (en) * 1960-08-12 1962-11-06 Ibm Method for producing a form-retaining roll of extensible tape
US3761553A (en) * 1971-06-28 1973-09-25 Celanese Corp Method for producing uniform drawn films

Also Published As

Publication number Publication date
NO142894B (no) 1980-08-04
CA1031921A (en) 1978-05-30
DK136462C (no) 1978-03-13
DE2439985C2 (de) 1983-08-11
NO743070L (no) 1975-03-24
FR2242216B1 (no) 1978-09-15
GB1444035A (en) 1976-07-28
SE7410910L (no) 1975-03-03
BE819326A (fr) 1975-02-28
US3873664A (en) 1975-03-25
JPS5731976B2 (no) 1982-07-08
NO142894C (no) 1980-11-12
JPS5051174A (no) 1975-05-07
FR2242216A1 (no) 1975-03-28
DE2439985A1 (de) 1975-03-06
DK136462B (da) 1977-10-17
NL7411380A (nl) 1975-03-04
IT1020246B (it) 1977-12-20

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