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GB516680A - Improved casing for photographic roll films - Google Patents

Improved casing for photographic roll films

Info

Publication number
GB516680A
GB516680A GB1975638A GB1975638A GB516680A GB 516680 A GB516680 A GB 516680A GB 1975638 A GB1975638 A GB 1975638A GB 1975638 A GB1975638 A GB 1975638A GB 516680 A GB516680 A GB 516680A
Authority
GB
United Kingdom
Prior art keywords
cover
groove
photographic roll
film
roll 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
GB1975638A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1975638A priority Critical patent/GB516680A/en
Publication of GB516680A publication Critical patent/GB516680A/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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/28—Locating light-sensitive material within camera
    • G03B17/30—Locating spools or other rotatable holders of coiled film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)

Abstract

516,680. Photographic roll - film holders. GROVES, W. W. (I. G. Farbenindustrie Akt.-Ges.). July 4, 1938, No. 19756. [Class 98 (i)] A light-tight a casing for roll film has an open end closed by a cover b and a slot c for withdrawing the film, the open end of the slot being brought into light-tight engagement with the cover by a groove e and feather d enclosed on its longitudinal sides by the groove. To prevent rotation of the cover the groove and feather engagement may be rectilinear, and a tooth g. may engage a recess h in the cover.
GB1975638A 1938-07-04 1938-07-04 Improved casing for photographic roll films Expired GB516680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1975638A GB516680A (en) 1938-07-04 1938-07-04 Improved casing for photographic roll films

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1975638A GB516680A (en) 1938-07-04 1938-07-04 Improved casing for photographic roll films

Publications (1)

Publication Number Publication Date
GB516680A true GB516680A (en) 1940-01-09

Family

ID=10134685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1975638A Expired GB516680A (en) 1938-07-04 1938-07-04 Improved casing for photographic roll films

Country Status (1)

Country Link
GB (1) GB516680A (en)

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