GB707662A - Improvements in and relating to photo-mechanical intaglio printing - Google Patents
Improvements in and relating to photo-mechanical intaglio printingInfo
- Publication number
- GB707662A GB707662A GB23392/51A GB2339251A GB707662A GB 707662 A GB707662 A GB 707662A GB 23392/51 A GB23392/51 A GB 23392/51A GB 2339251 A GB2339251 A GB 2339251A GB 707662 A GB707662 A GB 707662A
- Authority
- GB
- United Kingdom
- Prior art keywords
- areas
- character
- transparent
- matrix
- light
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
- B41B17/00—Photographic composing machines having fixed or movable character carriers and without means for composing lines prior to photography
- B41B17/18—Details
- B41B17/20—Character carriers; Cleaning devices therefor
- B41B17/22—Character carriers; Cleaning devices therefor with a single character; with a single character in more than one style
Landscapes
- Photosensitive Polymer And Photoresist Processing (AREA)
Abstract
707,662. Photographic type-composing. HIGONNET, R. A. E., and MOYROUD, L. M. Oct. 8, 1951 [Nov. 2, 1950], No. 23392/51. Classes 98(1) and 98(2) A matrix member for a photographic type-composing machine carries character matrices each bearing an individual character having light-permeable areas so that exposure of a photosensitive surface through the matrix results in a characterimage with exposure areas corresponding to the light-permeable areas of the matrix. The matrix member may be made by engraving a lattice on a transparent disc, coating the disc with a photosensitive layer, and photographically printing transparent character images on, the layer. The characters be transparent on an opaque background, with a grid of opaque lines superimposed thereon to break up the character into a number of transparent areas. Preferably, as shown, the character is broken up by opaque lines 11 into transparent areas 10 in a manner adapted to each character. When the photosensitive surface (e.g. carbon paper) is exposed the areas thereof corresponding to areas 10 are light-struck. The carbon paper is then transfered to the printing surface, which is etched in the areas coresponding to the areas 10, forming cavities which receive the ink. Since the ink spreads in making the impression, the edges of areas 10 are made concave with respect to the bounding line 11 of the character. Specification 687,722 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR707662X | 1950-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB707662A true GB707662A (en) | 1954-04-21 |
Family
ID=9068461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23392/51A Expired GB707662A (en) | 1950-11-02 | 1951-10-08 | Improvements in and relating to photo-mechanical intaglio printing |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB707662A (en) |
-
1951
- 1951-10-08 GB GB23392/51A patent/GB707662A/en not_active Expired
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