FR2343583A1 - Appareil pour la formation de films thermoplastiques par la methode du tube souffle - Google Patents

Appareil pour la formation de films thermoplastiques par la methode du tube souffle

Info

Publication number
FR2343583A1
FR2343583A1 FR7702359A FR7702359A FR2343583A1 FR 2343583 A1 FR2343583 A1 FR 2343583A1 FR 7702359 A FR7702359 A FR 7702359A FR 7702359 A FR7702359 A FR 7702359A FR 2343583 A1 FR2343583 A1 FR 2343583A1
Authority
FR
France
Prior art keywords
thermoplastic films
tube method
blow tube
forming thermoplastic
forming
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.)
Granted
Application number
FR7702359A
Other languages
English (en)
Other versions
FR2343583B1 (fr
Inventor
Charles William Dawson
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.)
General Electric Co
Original Assignee
General Electric Co
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
Priority claimed from US05/666,508 external-priority patent/US4068999A/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of FR2343583A1 publication Critical patent/FR2343583A1/fr
Application granted granted Critical
Publication of FR2343583B1 publication Critical patent/FR2343583B1/fr
Granted 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/10—Bending or folding of blown tubular films, e.g. gusseting
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
FR7702359A 1976-03-12 1977-01-28 Appareil pour la formation de films thermoplastiques par la methode du tube souffle Granted FR2343583A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/666,508 US4068999A (en) 1973-04-09 1976-03-12 Blown tube collapse frame assembly

Publications (2)

Publication Number Publication Date
FR2343583A1 true FR2343583A1 (fr) 1977-10-07
FR2343583B1 FR2343583B1 (fr) 1980-11-28

Family

ID=24674362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7702359A Granted FR2343583A1 (fr) 1976-03-12 1977-01-28 Appareil pour la formation de films thermoplastiques par la methode du tube souffle

Country Status (5)

Country Link
JP (1) JPS52110766A (fr)
DE (1) DE2710426A1 (fr)
FI (1) FI770784A (fr)
FR (1) FR2343583A1 (fr)
GB (1) GB1575071A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007029794B4 (de) * 2007-04-03 2009-08-27 Windmöller & Hölscher Kg Einrichtung zum Flachlegen eines Folienschlauches zu einem Flachmaterial

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1286920A (fr) * 1960-02-08 1962-03-09 Ici Ltd Procédé de manipulation de pellicules et de tubes en matière plastique
US3258516A (en) * 1961-09-28 1966-06-28 Du Pont Production of polymeric film
US3558410A (en) * 1965-06-28 1971-01-26 Nat Distillers Chem Corp Extrusion method and apparatus for the extrusion of rectangular tubes of thermoplastic sheet
FR2224277A1 (fr) * 1973-04-09 1974-10-31 Gen Electric

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1504039A1 (de) * 1965-03-01 1969-09-25 Barmag Barmer Maschf Vorrichtung zum Flachlegen und Kuehlen eines nahtlosen thermoplastischen Folienschlauches vor dessen Eintritt in den Abquetschwalzenspalt einer Extrusionsanlage
US3335208A (en) * 1966-05-16 1967-08-08 Dow Chemical Co Process for producing thin-wall plastic tubing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1286920A (fr) * 1960-02-08 1962-03-09 Ici Ltd Procédé de manipulation de pellicules et de tubes en matière plastique
US3258516A (en) * 1961-09-28 1966-06-28 Du Pont Production of polymeric film
US3558410A (en) * 1965-06-28 1971-01-26 Nat Distillers Chem Corp Extrusion method and apparatus for the extrusion of rectangular tubes of thermoplastic sheet
FR2224277A1 (fr) * 1973-04-09 1974-10-31 Gen Electric

Also Published As

Publication number Publication date
DE2710426A1 (de) 1977-09-22
GB1575071A (en) 1980-09-17
JPS52110766A (en) 1977-09-17
FR2343583B1 (fr) 1980-11-28
FI770784A (fr) 1977-09-13

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Legal Events

Date Code Title Description
ST Notification of lapse