FR1332815A - Method and apparatus for the production of regenerated cellulose films - Google Patents

Method and apparatus for the production of regenerated cellulose films

Info

Publication number
FR1332815A
FR1332815A FR903751A FR903751A FR1332815A FR 1332815 A FR1332815 A FR 1332815A FR 903751 A FR903751 A FR 903751A FR 903751 A FR903751 A FR 903751A FR 1332815 A FR1332815 A FR 1332815A
Authority
FR
France
Prior art keywords
production
regenerated cellulose
cellulose films
films
regenerated
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
FR903751A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 US124437A external-priority patent/US3121762A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to FR903751A priority Critical patent/FR1332815A/en
Application granted granted Critical
Publication of FR1332815A publication Critical patent/FR1332815A/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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
FR903751A 1961-07-17 1962-07-12 Method and apparatus for the production of regenerated cellulose films Expired FR1332815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR903751A FR1332815A (en) 1961-07-17 1962-07-12 Method and apparatus for the production of regenerated cellulose films

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US124437A US3121762A (en) 1961-07-17 1961-07-17 Method and apparatus for producing regenerated cellulose film
FR903751A FR1332815A (en) 1961-07-17 1962-07-12 Method and apparatus for the production of regenerated cellulose films

Publications (1)

Publication Number Publication Date
FR1332815A true FR1332815A (en) 1963-07-19

Family

ID=26196612

Family Applications (1)

Application Number Title Priority Date Filing Date
FR903751A Expired FR1332815A (en) 1961-07-17 1962-07-12 Method and apparatus for the production of regenerated cellulose films

Country Status (1)

Country Link
FR (1) FR1332815A (en)

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