FR926738A - Appareil perfectionné pour la fabrication de pellicules ou de feuilles de compositions cellulosiques - Google Patents

Appareil perfectionné pour la fabrication de pellicules ou de feuilles de compositions cellulosiques

Info

Publication number
FR926738A
FR926738A FR926738DA FR926738A FR 926738 A FR926738 A FR 926738A FR 926738D A FR926738D A FR 926738DA FR 926738 A FR926738 A FR 926738A
Authority
FR
France
Prior art keywords
films
sheets
manufacture
improved apparatus
cellulosic compositions
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.)
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
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR926738A publication Critical patent/FR926738A/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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • B29C48/313—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
FR926738D 1942-11-10 1946-05-09 Appareil perfectionné pour la fabrication de pellicules ou de feuilles de compositions cellulosiques Expired FR926738A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US926738XA 1942-11-10 1942-11-10

Publications (1)

Publication Number Publication Date
FR926738A true FR926738A (fr) 1947-10-09

Family

ID=22234473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR926738D Expired FR926738A (fr) 1942-11-10 1946-05-09 Appareil perfectionné pour la fabrication de pellicules ou de feuilles de compositions cellulosiques

Country Status (1)

Country Link
FR (1) FR926738A (fr)

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