GB720239A - A developing tank for photographic roll film - Google Patents
A developing tank for photographic roll filmInfo
- Publication number
- GB720239A GB720239A GB25278/52A GB2527852A GB720239A GB 720239 A GB720239 A GB 720239A GB 25278/52 A GB25278/52 A GB 25278/52A GB 2527852 A GB2527852 A GB 2527852A GB 720239 A GB720239 A GB 720239A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reel
- developing tank
- container
- roll film
- photographic roll
- 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
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
- G03D13/00—Processing apparatus or accessories therefor, not covered by groups G11B3/00 - G11B11/00
- G03D13/02—Containers; Holding-devices
- G03D13/08—Devices for holding exposed material; Devices for supporting exposed material
- G03D13/14—Devices for holding exposed material; Devices for supporting exposed material for holding films in spaced convolutions
- G03D13/147—Devices for holding exposed material; Devices for supporting exposed material for holding films in spaced convolutions for several widths of film or several films
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
720,239. Photographic developing tanks. SCHPOLANSCKY, B. Oct. 9, 1952, No. 25278/52. Class 98 (2). A photographic developing tank for daylight operation, comprising a reel c for the film 14 mounted for rotation in a container a by means passing through a light-tight lid b fitting on the container, is characterized in that cam surfaces 23 on the hub of the reel engage corresponding cam surfaces 21 on a boss d on the base of the container, so that when the reel is rotated, it is also moved up and down. The film may be wound with a separator 15, and two films may be held on one reel. U.S.A. Specification 1,916,207 is referred to.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB25278/52A GB720239A (en) | 1952-10-09 | 1952-10-09 | A developing tank for photographic roll film |
FR1071796D FR1071796A (en) | 1952-10-09 | 1952-10-13 | Darkroom chamber for developing photographic film in rolls |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB25278/52A GB720239A (en) | 1952-10-09 | 1952-10-09 | A developing tank for photographic roll film |
FR1071796T | 1952-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB720239A true GB720239A (en) | 1954-12-15 |
Family
ID=41110570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25278/52A Expired GB720239A (en) | 1952-10-09 | 1952-10-09 | A developing tank for photographic roll film |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1071796A (en) |
GB (1) | GB720239A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3596585A (en) * | 1969-03-10 | 1971-08-03 | Uni Chem Corp | Film holder |
FR2292261A1 (en) * | 1974-11-20 | 1976-06-18 | Perriniaux Claude | VERTICAL TANK FOR DEVELOPMENT OF PHOTOGRAPHIC MATERIALS |
-
1952
- 1952-10-09 GB GB25278/52A patent/GB720239A/en not_active Expired
- 1952-10-13 FR FR1071796D patent/FR1071796A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1071796A (en) | 1954-09-06 |
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