FR1110319A - Perfectionnements relatifs à la stabilisation des dimensions de pellicules en matière thermoplastique orientée - Google Patents

Perfectionnements relatifs à la stabilisation des dimensions de pellicules en matière thermoplastique orientée

Info

Publication number
FR1110319A
FR1110319A FR1110319DA FR1110319A FR 1110319 A FR1110319 A FR 1110319A FR 1110319D A FR1110319D A FR 1110319DA FR 1110319 A FR1110319 A FR 1110319A
Authority
FR
France
Prior art keywords
stabilization
films
dimensions
thermoplastic material
improvements relating
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
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of FR1110319A publication Critical patent/FR1110319A/fr
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)
FR1110319D 1954-06-24 1954-06-24 Perfectionnements relatifs à la stabilisation des dimensions de pellicules en matière thermoplastique orientée Expired FR1110319A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1110319T 1954-06-24

Publications (1)

Publication Number Publication Date
FR1110319A true FR1110319A (fr) 1956-02-10

Family

ID=9626097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1110319D Expired FR1110319A (fr) 1954-06-24 1954-06-24 Perfectionnements relatifs à la stabilisation des dimensions de pellicules en matière thermoplastique orientée

Country Status (1)

Country Link
FR (1) FR1110319A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164645B (de) * 1958-05-02 1964-03-05 Grace W R & Co Verfahren zur Verbesserung der Eigenschaften von Kunststoff-Folien
DE1202971B (de) * 1956-06-04 1965-10-14 Du Pont Verfahren zur Herstellung von langgestreckten Hohlkoerpern von hoher Berstfestigkeitaus Polymeren oder Mischpolymeren des AEthylens
DE1233575B (de) * 1958-05-02 1967-02-02 Grace W R & Co Verfahren zur Herstellung von Kunststoff-Folien

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202971B (de) * 1956-06-04 1965-10-14 Du Pont Verfahren zur Herstellung von langgestreckten Hohlkoerpern von hoher Berstfestigkeitaus Polymeren oder Mischpolymeren des AEthylens
DE1164645B (de) * 1958-05-02 1964-03-05 Grace W R & Co Verfahren zur Verbesserung der Eigenschaften von Kunststoff-Folien
DE1233575B (de) * 1958-05-02 1967-02-02 Grace W R & Co Verfahren zur Herstellung von Kunststoff-Folien

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