NL172130B - Method for stretching a heated film of amorphous polyethylene terephthalate in the longitudinal direction. - Google Patents

Method for stretching a heated film of amorphous polyethylene terephthalate in the longitudinal direction.

Info

Publication number
NL172130B
NL172130B NL7010803A NL7010803A NL172130B NL 172130 B NL172130 B NL 172130B NL 7010803 A NL7010803 A NL 7010803A NL 7010803 A NL7010803 A NL 7010803A NL 172130 B NL172130 B NL 172130B
Authority
NL
Netherlands
Prior art keywords
stretching
longitudinal direction
polyethylene terephthalate
amorphous polyethylene
heated film
Prior art date
Application number
NL7010803A
Other languages
Dutch (nl)
Other versions
NL7010803A (en
NL172130C (en
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of NL7010803A publication Critical patent/NL7010803A/xx
Publication of NL172130B publication Critical patent/NL172130B/en
Application granted granted Critical
Publication of NL172130C publication Critical patent/NL172130C/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
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • 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)
NL7010803A 1969-07-23 1970-07-21 Method for stretching a heated film of amorphous polyethylene terephthalate in the longitudinal direction. NL172130C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84414069A 1969-07-23 1969-07-23

Publications (3)

Publication Number Publication Date
NL7010803A NL7010803A (en) 1971-01-26
NL172130B true NL172130B (en) 1983-02-16
NL172130C NL172130C (en) 1983-07-18

Family

ID=25291925

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7010803A NL172130C (en) 1969-07-23 1970-07-21 Method for stretching a heated film of amorphous polyethylene terephthalate in the longitudinal direction.

Country Status (6)

Country Link
BE (1) BE753744A (en)
CA (1) CA939479A (en)
DE (1) DE2036624C2 (en)
FR (1) FR2055347A5 (en)
GB (1) GB1319320A (en)
NL (1) NL172130C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19546671A1 (en) * 1995-12-15 1997-06-19 Hoechst Trespaphan Gmbh Process for longitudinal stretching in the production of oriented polypropylene films
WO2016132809A1 (en) * 2015-02-20 2016-08-25 東レバッテリーセパレータフィルム株式会社 Method for producing microporous plastic film

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547736A (en) * 1947-08-08 1951-04-03 Polaroid Corp Process for stretching continuous materials such as sheeting and the like
BE573836A (en) * 1957-12-12
GB890005A (en) * 1959-06-23 1962-02-21 Du Pont Improvements in or relating to the stretching of organic polymer film
BE625064A (en) * 1961-11-21
US3243844A (en) * 1964-04-28 1966-04-05 Marshall And Williams Corp Longitudinal web stretching machine
BE669312A (en) * 1964-09-07

Also Published As

Publication number Publication date
GB1319320A (en) 1973-06-06
NL7010803A (en) 1971-01-26
BE753744A (en) 1970-12-31
FR2055347A5 (en) 1971-05-07
DE2036624C2 (en) 1982-02-04
NL172130C (en) 1983-07-18
DE2036624A1 (en) 1971-02-04
CA939479A (en) 1974-01-08

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Legal Events

Date Code Title Description
V4 Lapsed because of reaching the maxim lifetime of a patent