US1752665A - Process for the manufacture of sensitized velvet paper for photographical uses - Google Patents
Process for the manufacture of sensitized velvet paper for photographical uses Download PDFInfo
- Publication number
- US1752665A US1752665A US204152A US20415227A US1752665A US 1752665 A US1752665 A US 1752665A US 204152 A US204152 A US 204152A US 20415227 A US20415227 A US 20415227A US 1752665 A US1752665 A US 1752665A
- Authority
- US
- United States
- Prior art keywords
- paper
- sensitized
- photographical
- velvet
- manufacture
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title description 3
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 239000001828 Gelatine Substances 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/775—Photosensitive materials characterised by the base or auxiliary layers the base being of paper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/151—Matting or other surface reflectivity altering material
Definitions
- this invention has relation not to the sensitive coating but to its support.
- the velvet-like appearance must be obtained by the support.
- the paper must really possess a velvety surface, and not only the ap- 5 pearance. Trials have proved that it is not sufiicient to mix the coating with a vegetable or animal fibrous-dust, whereby said dust is embodied in the coating.
- a uniform distribution .of the sensitized dust-fibres on the support would be nearly impossible without an adhesive medium; however, when adding an adhesive medium, the manufactured paper loses its velvet-like character, since the sensitized coating no longer consists in loose fibres.
- the adhesive medium has for result to make the image flat i. e. lacking in depth.
- This invention contemplates sensitizin the ready made velvet paper. Adhesive me ium can then be dispensed with.
- I am aware velvet papers have been known before, for instance as tapestries, drawing papers and the like. Same have been manufactured by spreading and fixing by an adhesive medium a vegetable or animal dust or the like substance upon a paper.
- sensitized velvet paper for photographic use consisting in coating a wellsized sheet of paper with an adhesive material that does not readily dis- DR. DANIEL FRIEDLANDER.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Paper (AREA)
Description
April 1, 193% D. FRIEDLANDER 1,752,665
PROCESS FOR THE MANUFACTURE OF SENSITIZED VELVET V PAPER FOR PHOTOGRAPHICAL USES Filed July 7, 1927 I Patented Apr. 1, 1930 UNITED STATES PATENT OFFICE DANIEL IRIEDLANDER, F BRUSSELS, BELGIUM, ASSIGNOB '10 MESSBB. A. IEUBSING AND E. J. GRATAMA, BOTH OF AMSTERDAM, NETHERLANDS raocass 101?. um xmumcruan or smrsrrizan VELVET rum roa rno'rocmmcu. usns Application filed July 7, 1927, Serial 1T0..204,152, and in Germany In], 7, 1828.
It has long been desired in the photographical industry, especially for portraits, to produce a paper with a dull surface giving the image a distinctly artistic character.
5 Salt paper without addition of gelatine, papers prepared with starch or the like and gelatine emulsion, Fresson paper, Biihler and Hochheimer papers and the like only half fulfill this object.
Therefore this invention has relation not to the sensitive coating but to its support. The velvet-like appearance must be obtained by the support. The paper must really possess a velvety surface, and not only the ap- 5 pearance. Trials have proved that it is not sufiicient to mix the coating with a vegetable or animal fibrous-dust, whereby said dust is embodied in the coating. A uniform distribution .of the sensitized dust-fibres on the support would be nearly impossible without an adhesive medium; however, when adding an adhesive medium, the manufactured paper loses its velvet-like character, since the sensitized coating no longer consists in loose fibres.
Also the adhesive medium has for result to make the image flat i. e. lacking in depth.
This invention contemplates sensitizin the ready made velvet paper. Adhesive me ium can then be dispensed with.
I am aware velvet papers have been known before, for instance as tapestries, drawing papers and the like. Same have been manufactured by spreading and fixing by an adhesive medium a vegetable or animal dust or the like substance upon a paper.
In the accompanying drawing, the single figure, which illustrates a top plan view of my improved paper with a portion broken away, the well sized paper 10 is laid over with an adhesive medium 11 hardly soluble in water and the surface is spread over with a' fibrous dust 12, such as fine white woolpowder. After complete drying, the excess of dust is brushed off with a so t brushand the thus prepared paper is then sensitized.
I claim:
The process of making sensitized velvet paper for photographic use consisting in coating a wellsized sheet of paper with an adhesive material that does not readily dis- DR. DANIEL FRIEDLANDER.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1752665X | 1926-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1752665A true US1752665A (en) | 1930-04-01 |
Family
ID=7741839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US204152A Expired - Lifetime US1752665A (en) | 1926-07-07 | 1927-07-07 | Process for the manufacture of sensitized velvet paper for photographical uses |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1752665A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2611716A (en) * | 1946-06-28 | 1952-09-23 | Gevaert Photo Prod Nv | Method of making a photographic sensitive element |
-
1927
- 1927-07-07 US US204152A patent/US1752665A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2611716A (en) * | 1946-06-28 | 1952-09-23 | Gevaert Photo Prod Nv | Method of making a photographic sensitive element |
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