AT299532B - Method and device for the production of films made of thermoplastic material, curved on one side, with a permanent tendency to curl - Google Patents

Method and device for the production of films made of thermoplastic material, curved on one side, with a permanent tendency to curl

Info

Publication number
AT299532B
AT299532B AT172466A AT172466A AT299532B AT 299532 B AT299532 B AT 299532B AT 172466 A AT172466 A AT 172466A AT 172466 A AT172466 A AT 172466A AT 299532 B AT299532 B AT 299532B
Authority
AT
Austria
Prior art keywords
curl
curved
production
thermoplastic material
films made
Prior art date
Application number
AT172466A
Other languages
German (de)
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of AT299532B publication Critical patent/AT299532B/en

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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/04—Bending or folding of plates or sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
AT172466A 1965-02-26 1966-02-24 Method and device for the production of films made of thermoplastic material, curved on one side, with a permanent tendency to curl AT299532B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0045361 1965-02-26

Publications (1)

Publication Number Publication Date
AT299532B true AT299532B (en) 1972-06-26

Family

ID=7100460

Family Applications (1)

Application Number Title Priority Date Filing Date
AT172466A AT299532B (en) 1965-02-26 1966-02-24 Method and device for the production of films made of thermoplastic material, curved on one side, with a permanent tendency to curl

Country Status (5)

Country Link
AT (1) AT299532B (en)
BE (1) BE677126A (en)
CH (1) CH452877A (en)
GB (1) GB1088585A (en)
NL (1) NL6602330A (en)

Also Published As

Publication number Publication date
GB1088585A (en) 1967-10-25
DE1504265A1 (en) 1969-06-04
CH452877A (en) 1968-03-15
NL6602330A (en) 1966-08-29
DE1504265B2 (en) 1971-02-18
BE677126A (en) 1966-08-29

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee