CH492540A - Device for the longitudinal stretching of a film made of a thermoplastic polymer - Google Patents

Device for the longitudinal stretching of a film made of a thermoplastic polymer

Info

Publication number
CH492540A
CH492540A CH1169869A CH1169869A CH492540A CH 492540 A CH492540 A CH 492540A CH 1169869 A CH1169869 A CH 1169869A CH 1169869 A CH1169869 A CH 1169869A CH 492540 A CH492540 A CH 492540A
Authority
CH
Switzerland
Prior art keywords
thermoplastic polymer
film made
longitudinal stretching
stretching
longitudinal
Prior art date
Application number
CH1169869A
Other languages
German (de)
Inventor
Siegfried Dr Janocha
Walter Dr Seifried
Horst Dr Gebler
Original Assignee
Kalle 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 Kalle Ag filed Critical Kalle Ag
Publication of CH492540A publication Critical patent/CH492540A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CH1169869A 1968-08-03 1969-07-31 Device for the longitudinal stretching of a film made of a thermoplastic polymer CH492540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681779375 DE1779375B1 (en) 1968-08-03 1968-08-03 DEVICE FOR STRETCHING A FILM MADE OF THERMOPLASTIC PLASTIC

Publications (1)

Publication Number Publication Date
CH492540A true CH492540A (en) 1970-06-30

Family

ID=5703861

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1169869A CH492540A (en) 1968-08-03 1969-07-31 Device for the longitudinal stretching of a film made of a thermoplastic polymer

Country Status (9)

Country Link
AT (1) AT298776B (en)
BE (1) BE736915A (en)
CA (1) CA946565A (en)
CH (1) CH492540A (en)
DE (1) DE1779375B1 (en)
FR (1) FR2015014A1 (en)
LU (1) LU59215A1 (en)
NL (1) NL6911396A (en)
SE (1) SE340882B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT393648B (en) * 1990-02-15 1991-11-25 Chemiefaser Lenzing Ag FILM STRETCHER
ATE413267T1 (en) * 2005-11-21 2008-11-15 Lohia Starlinger Ltd METHOD FOR PRODUCING ALIGNED SLOTTED FILM TAPES

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD52800A (en) *
GB890005A (en) * 1959-06-23 1962-02-21 Du Pont Improvements in or relating to the stretching of organic polymer film

Also Published As

Publication number Publication date
BE736915A (en) 1970-02-02
SE340882B (en) 1971-12-06
NL6911396A (en) 1970-02-05
FR2015014A1 (en) 1970-04-24
LU59215A1 (en) 1971-06-21
CA946565A (en) 1974-05-07
DE1779375B1 (en) 1972-05-04
AT298776B (en) 1972-05-25

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Legal Events

Date Code Title Description
PL Patent ceased