FR937633A - Method and apparatus for unwinding films from their center - Google Patents

Method and apparatus for unwinding films from their center

Info

Publication number
FR937633A
FR937633A FR937633DA FR937633A FR 937633 A FR937633 A FR 937633A FR 937633D A FR937633D A FR 937633DA FR 937633 A FR937633 A FR 937633A
Authority
FR
France
Prior art keywords
center
unwinding
films
unwinding 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.)
Expired
Application number
Other languages
French (fr)
Inventor
Louis Clavelloux
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 filed Critical
Application granted granted Critical
Publication of FR937633A publication Critical patent/FR937633A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR937633D 1946-12-24 1946-12-24 Method and apparatus for unwinding films from their center Expired FR937633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR937633T 1946-12-24

Publications (1)

Publication Number Publication Date
FR937633A true FR937633A (en) 1948-08-23

Family

ID=9458072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937633D Expired FR937633A (en) 1946-12-24 1946-12-24 Method and apparatus for unwinding films from their center

Country Status (1)

Country Link
FR (1) FR937633A (en)

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