FR2080721A1 - Plastic films prodn for photographic supports - Google Patents

Plastic films prodn for photographic supports

Info

Publication number
FR2080721A1
FR2080721A1 FR7106040A FR7106040A FR2080721A1 FR 2080721 A1 FR2080721 A1 FR 2080721A1 FR 7106040 A FR7106040 A FR 7106040A FR 7106040 A FR7106040 A FR 7106040A FR 2080721 A1 FR2080721 A1 FR 2080721A1
Authority
FR
France
Prior art keywords
roller
extruded material
prodn
film
plastic films
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.)
Granted
Application number
FR7106040A
Other languages
English (en)
French (fr)
Other versions
FR2080721B1 (enExample
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
Publication of FR2080721A1 publication Critical patent/FR2080721A1/fr
Application granted granted Critical
Publication of FR2080721B1 publication Critical patent/FR2080721B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/795—Photosensitive materials characterised by the base or auxiliary layers the base being of macromolecular substances
    • G03C1/7954—Polyesters
    • 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
    • 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 drums
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Moulding By Coating Moulds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7106040A 1970-02-24 1971-02-23 Plastic films prodn for photographic supports Granted FR2080721A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1369270A 1970-02-24 1970-02-24

Publications (2)

Publication Number Publication Date
FR2080721A1 true FR2080721A1 (en) 1971-11-19
FR2080721B1 FR2080721B1 (enExample) 1975-09-26

Family

ID=21761221

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7106040A Granted FR2080721A1 (en) 1970-02-24 1971-02-23 Plastic films prodn for photographic supports

Country Status (3)

Country Link
BE (1) BE763284A (enExample)
DE (1) DE2108525B2 (enExample)
FR (1) FR2080721A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2603226A1 (fr) * 1986-08-27 1988-03-04 Hoechst Ag Procede et dispositif pour le refroidissement d'une pellicule de materiau fondu extrudee hors d'une filiere plate dans un systeme de refroidissement.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1745247A (en) * 1926-09-13 1930-01-28 Czapek Emil Manufacturing foils, films, ribbons, and the like from viscose and similar cellulose solutions
DE601841C (de) * 1932-12-11 1934-08-25 Feldmuehle Vorrichtung zum Reinigen von Folien-Giesszylindern

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1745247A (en) * 1926-09-13 1930-01-28 Czapek Emil Manufacturing foils, films, ribbons, and the like from viscose and similar cellulose solutions
DE601841C (de) * 1932-12-11 1934-08-25 Feldmuehle Vorrichtung zum Reinigen von Folien-Giesszylindern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2603226A1 (fr) * 1986-08-27 1988-03-04 Hoechst Ag Procede et dispositif pour le refroidissement d'une pellicule de materiau fondu extrudee hors d'une filiere plate dans un systeme de refroidissement.

Also Published As

Publication number Publication date
DE2108525A1 (de) 1971-09-16
DE2108525B2 (de) 1976-01-22
FR2080721B1 (enExample) 1975-09-26
BE763284A (fr) 1971-07-16

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Legal Events

Date Code Title Description
ST Notification of lapse