ZA9610534B - Process for longitudinal stretching in the production of oriented polypropylene films - Google Patents

Process for longitudinal stretching in the production of oriented polypropylene films

Info

Publication number
ZA9610534B
ZA9610534B ZA9610534A ZA9610534A ZA9610534B ZA 9610534 B ZA9610534 B ZA 9610534B ZA 9610534 A ZA9610534 A ZA 9610534A ZA 9610534 A ZA9610534 A ZA 9610534A ZA 9610534 B ZA9610534 B ZA 9610534B
Authority
ZA
South Africa
Prior art keywords
production
longitudinal stretching
oriented polypropylene
polypropylene films
films
Prior art date
Application number
ZA9610534A
Inventor
Harald Lohmann
Herbert Peiffer
Detlef Busch
Peter Eiden
Original Assignee
Hoechst Trespaphan Gmbh
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 Trespaphan Gmbh filed Critical Hoechst Trespaphan Gmbh
Publication of ZA9610534B publication Critical patent/ZA9610534B/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
    • 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
    • B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)
ZA9610534A 1995-12-15 1996-12-13 Process for longitudinal stretching in the production of oriented polypropylene films ZA9610534B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1995146671 DE19546671A1 (en) 1995-12-15 1995-12-15 Process for longitudinal stretching in the production of oriented polypropylene films

Publications (1)

Publication Number Publication Date
ZA9610534B true ZA9610534B (en) 1997-06-17

Family

ID=7780106

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9610534A ZA9610534B (en) 1995-12-15 1996-12-13 Process for longitudinal stretching in the production of oriented polypropylene films

Country Status (5)

Country Link
EP (1) EP0779144A3 (en)
AU (1) AU720595B2 (en)
CA (1) CA2192917A1 (en)
DE (1) DE19546671A1 (en)
ZA (1) ZA9610534B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019124865A1 (en) * 2019-09-16 2021-03-18 Brückner Maschinenbau GmbH & Co. KG Pressure roller arrangement, in particular for a longitudinal stretching system and associated stretching system and method for operating such a pressure roller arrangement
CN114536726B (en) * 2022-02-24 2023-11-07 宁波长阳科技股份有限公司 Film longitudinal stretching device and film longitudinal stretching method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US323029A (en) * 1885-07-28 William m
GB890005A (en) * 1959-06-23 1962-02-21 Du Pont Improvements in or relating to the stretching of organic polymer film
DE1221786B (en) 1961-12-07 1966-07-28 Brueckner Trocknerbau Inh Gern Device for stretching a sheet of thermoplastic material in the longitudinal direction
DE1212290B (en) 1963-10-15 1966-03-10 Brueckner Trocknerbau Device for stretching a stretchable material web
DE1919299B2 (en) 1969-04-16 1977-02-24 Brückner-Maschinenbau Gernot Brückner, 8221 Siegsdorf PROCESS FOR LONGITUDINAL STRETCHING A PLASTIC FILM
US3619460A (en) * 1969-04-28 1971-11-09 Chevron Res Process for uniaxially orienting polypropylene films
US3786127A (en) * 1969-07-23 1974-01-15 Du Pont Stretching polyethylene terephthalate film in a shortened span
CA939479A (en) * 1969-07-23 1974-01-08 Robert G. Peet Method of and apparatus for stretching polymeric film
DE1957578A1 (en) * 1969-11-15 1971-05-19 Dornier Gmbh Lindauer Longitudinal stretching of plastics
US3734994A (en) * 1971-02-09 1973-05-22 Du Pont Two-stage uniaxial orientation of polyethylene terephthalate films
GB1419972A (en) * 1972-11-23 1975-12-31 Mccall J D Method and apparatus for stretching plastic material
DE2833189C2 (en) 1978-07-28 1984-09-20 Brückner - Maschinenbau Gernot Brückner GmbH & Co KG, 8221 Siegsdorf Method for longitudinally stretching an at least two-layer thermoplastic plastic film and device for carrying out the method
CA1171225A (en) * 1982-02-23 1984-07-24 Brian L. Hetherington Machine direction orientation of nylon film

Also Published As

Publication number Publication date
MX9606449A (en) 1997-10-31
AU720595B2 (en) 2000-06-08
EP0779144A2 (en) 1997-06-18
DE19546671A1 (en) 1997-06-19
AU7427296A (en) 1997-06-26
EP0779144A3 (en) 1998-01-07
CA2192917A1 (en) 1997-06-16

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