GB191227793A - Method of and Means for Producing Coloured Cinematograph Films and the like. - Google Patents
Method of and Means for Producing Coloured Cinematograph Films and the like.Info
- Publication number
- GB191227793A GB191227793A GB191227793DA GB191227793A GB 191227793 A GB191227793 A GB 191227793A GB 191227793D A GB191227793D A GB 191227793DA GB 191227793 A GB191227793 A GB 191227793A
- Authority
- GB
- United Kingdom
- Prior art keywords
- film
- printing
- coloured
- yokes
- pivoted
- 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
- G03D15/00—Apparatus for treating processed material
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Printing Methods (AREA)
Abstract
27,793. Stow, P. E., and Sharp, H. M. Dec. 3. Printing-apparatus for colouring kinematograph films; printing-surfaces; printing processes.-A method of colouring kinematograph films and the like consists in printing on the film from a second film on which photographic images have been produced and treated with a dye or colour. Each exposure of the film to be coloured is projected on to a ground glass or other screen, and all but the part to be coloured is blocked out by painting, covering with non- actinic paper, or other manner. This image is then illuminated by a beam from a white parabolic mirror, and photographed to the same scale as the original positive film on to a second film in a camera. The film is developed and treated with a bichromate solution which renders the parts of the film containing the silver image insoluble, after which the transparent parts are dissolved away with hot water. The film may also be produced by photographing or printing through an opaque stencil of the same size as the positive film. The film thus formed is passed through a suitable dye and pressed in correct register into contact with the kinematograph film to be coloured. In the machine shown the film e to be coloured and the printing-film f, pass over rollers b, c and opposed intermediate platens d, which are mounted on yokes y pivoted on the shafts g of the rollers c mounted in bearings in brackets h<1>. The yokes y are connected at the top by a toggle k carrying a roller k<1>, an adjustable spring in tension, and a spring l in compression. The rollers b, c are connected by gearing m and are driven intermittently by a geneva-stop mechanism from a hand-operated train of gearing. The platens d are pivoted on studs d' and are connected by adjustable links d<1> to radius arms d<2> pivoted on studs w, so that as the yokes y are separated the platens d turn upwards. The toggle k is intermittently extended by a lever s which is oscillated by a suitable cam.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191227793T | 1912-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191227793A true GB191227793A (en) | 1913-12-03 |
Family
ID=32575452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191227793D Expired GB191227793A (en) | 1912-12-03 | 1912-12-03 | Method of and Means for Producing Coloured Cinematograph Films and the like. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB191227793A (en) |
-
1912
- 1912-12-03 GB GB191227793D patent/GB191227793A/en not_active Expired
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