GB1579234A - Process and apparatus for producing a thermoplastic film - Google Patents

Process and apparatus for producing a thermoplastic film Download PDF

Info

Publication number
GB1579234A
GB1579234A GB11091/77A GB1109177A GB1579234A GB 1579234 A GB1579234 A GB 1579234A GB 11091/77 A GB11091/77 A GB 11091/77A GB 1109177 A GB1109177 A GB 1109177A GB 1579234 A GB1579234 A GB 1579234A
Authority
GB
United Kingdom
Prior art keywords
film
rollers
melting
stretching
temperature
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB11091/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Original Assignee
Unilever PLC
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 Unilever PLC filed Critical Unilever PLC
Publication of GB1579234A publication Critical patent/GB1579234A/en
Expired legal-status Critical Current

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
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24—Calendering
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/26—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length in several steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
GB11091/77A 1976-03-17 1977-03-16 Process and apparatus for producing a thermoplastic film Expired GB1579234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2611134A DE2611134B2 (de) 1976-03-17 1976-03-17 Verfahren und Vorrichtung zum Herstellen einer Folie aus thermisch instabilen thermoplastischen Kunststoffen und Verwendung dieser Folie

Publications (1)

Publication Number Publication Date
GB1579234A true GB1579234A (en) 1980-11-19

Family

ID=5972648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11091/77A Expired GB1579234A (en) 1976-03-17 1977-03-16 Process and apparatus for producing a thermoplastic film

Country Status (23)

Country Link
JP (1) JPS52111970A (enrdf_load_stackoverflow)
AT (1) AT364525B (enrdf_load_stackoverflow)
BE (1) BE852561A (enrdf_load_stackoverflow)
BR (1) BR7701612A (enrdf_load_stackoverflow)
CA (1) CA1086917A (enrdf_load_stackoverflow)
CH (1) CH630557A5 (enrdf_load_stackoverflow)
CS (1) CS207386B2 (enrdf_load_stackoverflow)
DD (1) DD129416A5 (enrdf_load_stackoverflow)
DE (1) DE2611134B2 (enrdf_load_stackoverflow)
DK (1) DK113877A (enrdf_load_stackoverflow)
ES (2) ES456967A1 (enrdf_load_stackoverflow)
FI (1) FI770839A7 (enrdf_load_stackoverflow)
FR (1) FR2344395A1 (enrdf_load_stackoverflow)
GB (1) GB1579234A (enrdf_load_stackoverflow)
IE (1) IE45025B1 (enrdf_load_stackoverflow)
IT (1) IT1082534B (enrdf_load_stackoverflow)
LU (1) LU76965A1 (enrdf_load_stackoverflow)
MX (1) MX146452A (enrdf_load_stackoverflow)
NL (1) NL7702813A (enrdf_load_stackoverflow)
NO (1) NO149379C (enrdf_load_stackoverflow)
PL (1) PL105964B1 (enrdf_load_stackoverflow)
SE (1) SE423608B (enrdf_load_stackoverflow)
SU (1) SU913926A3 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1600277A3 (de) * 2004-05-27 2011-03-23 Battenfeld-cincinnati Germany GmbH Kühlvorrichtung
WO2017116851A1 (en) * 2015-12-28 2017-07-06 Graham Engineering Corporation Multi-nip takeoff

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT393648B (de) * 1990-02-15 1991-11-25 Chemiefaser Lenzing Ag Folienstreckanlage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1153890A (fr) * 1955-05-03 1958-03-28 Hoechst Ag Feuilles minces et très minces en matière thermoplastique et leur fabrication
FR1159226A (fr) * 1955-08-27 1958-06-25 Hoechst Ag Procédé de traitement de feuilles en matières thermoplastiques
DE1629255A1 (de) * 1966-03-25 1971-01-28 Anger Plastic Maschinen Gmbh & Verfahren und Vorrichtung zum Herstellen von Kunststoffolien am Extruder,insbesondere Hart-PVC,mit bestimmten technischen Eigenschaften
DE2250560A1 (de) * 1972-10-14 1974-05-02 Kleinewefers Ind Co Gmbh Verfahren und vorrichtung zum herstellen von homogenen reckbaren folienbahnen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1600277A3 (de) * 2004-05-27 2011-03-23 Battenfeld-cincinnati Germany GmbH Kühlvorrichtung
WO2017116851A1 (en) * 2015-12-28 2017-07-06 Graham Engineering Corporation Multi-nip takeoff

Also Published As

Publication number Publication date
SU913926A3 (en) 1982-03-15
ES467233A1 (es) 1978-12-01
CS207386B2 (en) 1981-07-31
LU76965A1 (enrdf_load_stackoverflow) 1977-10-03
NL7702813A (nl) 1977-09-20
AT364525B (de) 1981-10-27
DD129416A5 (de) 1978-01-18
FI770839A7 (enrdf_load_stackoverflow) 1977-09-18
BR7701612A (pt) 1977-11-08
IE45025L (en) 1977-09-17
FR2344395A1 (fr) 1977-10-14
JPS52111970A (en) 1977-09-20
SE423608B (sv) 1982-05-17
DE2611134B2 (de) 1979-01-11
DK113877A (da) 1977-09-18
NO770865L (no) 1977-09-20
ES456967A1 (es) 1978-07-01
NO149379B (no) 1984-01-02
SE7703006L (sv) 1977-09-18
ATA178777A (de) 1981-03-15
CH630557A5 (en) 1982-06-30
IE45025B1 (en) 1982-06-02
DE2611134A1 (de) 1977-09-29
MX146452A (es) 1982-06-29
CA1086917A (en) 1980-10-07
PL105964B1 (pl) 1979-11-30
FR2344395B1 (enrdf_load_stackoverflow) 1982-03-12
BE852561A (fr) 1977-09-19
NO149379C (no) 1984-04-11
IT1082534B (it) 1985-05-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee