FR1224548A - Method for stretching in the longitudinal and transverse direction of the blown sheets - Google Patents

Method for stretching in the longitudinal and transverse direction of the blown sheets

Info

Publication number
FR1224548A
FR1224548A FR794759A FR794759A FR1224548A FR 1224548 A FR1224548 A FR 1224548A FR 794759 A FR794759 A FR 794759A FR 794759 A FR794759 A FR 794759A FR 1224548 A FR1224548 A FR 1224548A
Authority
FR
France
Prior art keywords
stretching
longitudinal
transverse direction
blown sheets
blown
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
FR794759A
Other languages
French (fr)
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.)
JP Bemberg AG
Bemberg AG
Original Assignee
JP Bemberg AG
Bemberg 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 JP Bemberg AG, Bemberg AG filed Critical JP Bemberg AG
Application granted granted Critical
Publication of FR1224548A publication Critical patent/FR1224548A/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
    • 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
    • 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)
FR794759A 1958-08-02 1959-05-15 Method for stretching in the longitudinal and transverse direction of the blown sheets Expired FR1224548A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1224548X 1958-08-02

Publications (1)

Publication Number Publication Date
FR1224548A true FR1224548A (en) 1960-06-24

Family

ID=7734379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR794759A Expired FR1224548A (en) 1958-08-02 1959-05-15 Method for stretching in the longitudinal and transverse direction of the blown sheets

Country Status (1)

Country Link
FR (1) FR1224548A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1183229B (en) * 1962-05-11 1964-12-10 Reifenhaeuser Kg Method and device for the production of tubular films made of thermoplastic material
US3296352A (en) * 1961-07-28 1967-01-03 Ici Ltd Tubular film manufacture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296352A (en) * 1961-07-28 1967-01-03 Ici Ltd Tubular film manufacture
DE1183229B (en) * 1962-05-11 1964-12-10 Reifenhaeuser Kg Method and device for the production of tubular films made of thermoplastic material

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