GB433875A - Improvements in the manufacture of lenticular photographic film - Google Patents

Improvements in the manufacture of lenticular photographic film

Info

Publication number
GB433875A
GB433875A GB5849/34A GB584934A GB433875A GB 433875 A GB433875 A GB 433875A GB 5849/34 A GB5849/34 A GB 5849/34A GB 584934 A GB584934 A GB 584934A GB 433875 A GB433875 A GB 433875A
Authority
GB
United Kingdom
Prior art keywords
roller
screen
light source
feb
relief
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
GB5849/34A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB433875A publication Critical patent/GB433875A/en
Expired 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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/14—Additive processes using lenticular screens; Materials therefor; Preparing or processing such materials

Abstract

433,875. Films for colour photography. I. G. FARBENINDUSTRIE AKT.- GES., Frankfort-on-Main, Germany. Feb. 22, 1934, No. 5849. Convention date, Feb. 22, 1933. [Classes 98 (i) and 98 (ii)] The elements on a lenticular film are produced by preparing a relief of a screen e.g. on the surface of a roller and impressing this relief on the film. In carrying out the process a roller 1 is coated with a layer of bichromated gelatin and exposed through a slit 4<a> in a screen 4 to a line screen 3 illuminated by a light source 5. If the slit is of shorter length than the roller the screen 4 is shifted parallel to the axis of the roller after each revolution, or the roller itself may be shifted. Contact printing may be used instead of projection printing. A chromeplated steel roller coated with bichromated gelatin to a thickness of about 0À1-0À2 mm. may be used. The Specification as open to inspection under Sect. 91 describes also the use of a light source of large aperture or a reciprocating light source for producing screen elements having a sharp line of separation. Alternatively the concentration of the hardening or developing agent may be varied. This subject-matter does not appear in the Specification as accepted.
GB5849/34A 1933-02-22 1934-02-22 Improvements in the manufacture of lenticular photographic film Expired GB433875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE433875X 1933-02-22

Publications (1)

Publication Number Publication Date
GB433875A true GB433875A (en) 1935-08-22

Family

ID=6502499

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5849/34A Expired GB433875A (en) 1933-02-22 1934-02-22 Improvements in the manufacture of lenticular photographic film

Country Status (1)

Country Link
GB (1) GB433875A (en)

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