US225389A - Kunst - Google Patents
Kunst Download PDFInfo
- Publication number
- US225389A US225389A US225389DA US225389A US 225389 A US225389 A US 225389A US 225389D A US225389D A US 225389DA US 225389 A US225389 A US 225389A
- Authority
- US
- United States
- Prior art keywords
- albumen
- gelatine
- film
- plate
- potassium
- 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
- 241000221013 Viscum album Species 0.000 title 1
- 238000000576 coating method Methods 0.000 description 11
- 239000001828 Gelatine Substances 0.000 description 8
- 229920000159 gelatin Polymers 0.000 description 8
- 235000019322 gelatine Nutrition 0.000 description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910052700 potassium Inorganic materials 0.000 description 6
- 239000011591 potassium Substances 0.000 description 6
- 239000003513 alkali Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000976 ink Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/16—X-ray, infrared, or ultraviolet ray processes
-
- 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
- Y10S430/136—Coating process making radiation sensitive element
-
- 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
- Y10S430/155—Nonresinous additive to promote interlayer adhesion in element
Description
UNITED STATES EMIL JAGOBI, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR PATENT OFFICE.
TO F. G'UTE- KUN ST, OF SAME PLACE.
PROCESS OF PRODUCING PHOTOTYPE-PLATES.
SPECIFICATION forming part of Letters Patent No. 225,389, dated March 9, 1880.
Application filed September 11, 1879.
To all whom it may concern:
Be it known that I, EMIL JAOOBI, of the city and county of Philadelphia, and State of Pennsylvania, have invented a new and useful Phototype Process, which process is fully set forth in the following specification.
- My invention relates to a process of preparing photographic plates for printing therefrom by mechanical means; and it consists in forming on a plate a ground coating or film of albumen or gelatine and tri'chromate of potassium, then subjecting said coating to the action of a solution of an alkali, for purposes hereinafter set forth, and then applyin g there- :5 to a second or sensitive and printing film, so that from a gelatine film and employment of ordinary inks I produce pictures that have the same soft, fine, and tender effect as photographs on albumen or plain paper, and the pictures may be reproduced in great numbers. In carrying out my invention I take a plate of glass, metal, stone, or wood, and coat it pri- 'marily with a mixture of one part albumen or gelatine and twenty parts of water, with 0.3 of trichromate of potassium, and dry the same in a temperature below 100 Fahrenheit, and when perfectly dry heat it to 200 Fahrenheit in order to render the albumen insoluble.
To the plate, as coated, I apply a second or printing coating composed of one part of gelatine and twenty parts of water, with 0.2 bi- I chromate of potassium, which, by a special chemical action, using a mineral acid, is converted into a glutinous substance for the production of a film which is tough and sufficiently hard to endure the pressure of a hand or power press.
In order to cause a perfect union of the first and second coatings, the plate, as'first coated, is subjected for a few moments to a bath of a solution of any strong alkali in order to soften the surface of the albumen of the first coating, after which the second coating is applied and dried in a temperature of about 150 Fahren- 5 heit, and the plate is ready for exposure under the negative to receive the photographic image.
For the purpose of printing, the prepared plates are washed and dried and passed through a lithographic or other proper press, as usual, and moistened with water after every impression, or with chemical moistening that is sufficient for many impressions.
By these means I obtain from a gelatine film and employing regular colored or black print- 5 5 ers ink pictures that are permanent and have the same soft, fine, and pleasing effect as photographs on albumen or plain paper, and great numbers may be reproduced.
I am aware that plates for phototypin g have heretofore been coated with a mixture of albumen or gelatine and trichromate of potassium, also that similar outer coatings have been employed to cover such first coatings; and I do not broadly claim such process, nor the article produced thereby.
What I do claim, and desire to secure by Letters Patent, is
1. The process of preparing a photographic plate to print from, which consists in first forming on a transparent or non-transparent plate a sensitive coating or film composed of albumen or gelatine and trichromate of potassium, then subjecting the surface to the action of a bath of a strong alkali, and finally applying to such surface a second sensitive film, substantially as described.
2. As a new article of manufacture, a phototype-plate composed of two sensitive coatings or films of albumen or gelatine and tri- 8o chromate of potassium, said coatings being united by means of an alkali or equivalent substance, so as to form and act virtually as a single printing-film, substantially as and for the purpose set forth.
E. J AGOBI.
Witnesses:
JOHN A. WIEDERSHEIM, A. P. GRANT.
Publications (1)
Publication Number | Publication Date |
---|---|
US225389A true US225389A (en) | 1880-03-09 |
Family
ID=2294778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US225389D Expired - Lifetime US225389A (en) | Kunst |
Country Status (1)
Country | Link |
---|---|
US (1) | US225389A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2653871A (en) * | 1949-11-14 | 1953-09-29 | Bemis Bro Bag Co | Preparation of engraved rubber printing plates |
-
0
- US US225389D patent/US225389A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2653871A (en) * | 1949-11-14 | 1953-09-29 | Bemis Bro Bag Co | Preparation of engraved rubber printing plates |
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