FR1520872A - New process and apparatus for manufacturing thermoplastic films and new films obtained - Google Patents

New process and apparatus for manufacturing thermoplastic films and new films obtained

Info

Publication number
FR1520872A
FR1520872A FR99726A FR99726A FR1520872A FR 1520872 A FR1520872 A FR 1520872A FR 99726 A FR99726 A FR 99726A FR 99726 A FR99726 A FR 99726A FR 1520872 A FR1520872 A FR 1520872A
Authority
FR
France
Prior art keywords
new
films
manufacturing thermoplastic
new process
films obtained
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
FR99726A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to FR99726A priority Critical patent/FR1520872A/en
Application granted granted Critical
Publication of FR1520872A publication Critical patent/FR1520872A/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
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/9175—Cooling of flat articles, e.g. using specially adapted supporting means by interposing a fluid layer between the supporting means and the flat article
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
FR99726A 1967-03-22 1967-03-22 New process and apparatus for manufacturing thermoplastic films and new films obtained Expired FR1520872A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR99726A FR1520872A (en) 1967-03-22 1967-03-22 New process and apparatus for manufacturing thermoplastic films and new films obtained

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR99726A FR1520872A (en) 1967-03-22 1967-03-22 New process and apparatus for manufacturing thermoplastic films and new films obtained

Publications (1)

Publication Number Publication Date
FR1520872A true FR1520872A (en) 1968-04-12

Family

ID=8627335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR99726A Expired FR1520872A (en) 1967-03-22 1967-03-22 New process and apparatus for manufacturing thermoplastic films and new films obtained

Country Status (1)

Country Link
FR (1) FR1520872A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2323513A1 (en) * 1973-01-18 1977-04-08 Mitsubishi Plastics Ind PROCESS FOR PREPARING A FILM CONSTITUTED BY A LINEAR POLYESTER RESIN

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2323513A1 (en) * 1973-01-18 1977-04-08 Mitsubishi Plastics Ind PROCESS FOR PREPARING A FILM CONSTITUTED BY A LINEAR POLYESTER RESIN

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