US184132A - Improvement in processes of lithographic transfers - Google Patents
Improvement in processes of lithographic transfers Download PDFInfo
- Publication number
- US184132A US184132A US184132DA US184132A US 184132 A US184132 A US 184132A US 184132D A US184132D A US 184132DA US 184132 A US184132 A US 184132A
- Authority
- US
- United States
- Prior art keywords
- stone
- transfers
- lithographic
- processes
- improvement
- 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 7
- 239000004575 stone Substances 0.000 description 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
- B41C1/1008—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials
- B41C1/1033—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials by laser or spark ablation
Definitions
- My invention relates to a certain branch of lithographing and it consists in a novel process of working autographic transfers upon of autographic transfers could not be executed by persons not learned in the trade, and consequently could be of but little use in mercantile and other businesses. This is the case by reason of the fact that the autographic copy has first to be transferred to the stone and then prepared for printing, which requires great skill to prevent the ink from spreading in consequence of the porosity and suction of the stone. When the stone is thus prepared, moreover, much labor is required in cleaning the same off when a different copy is to be desired, which would occur frequently when used for business purposes.
- My invention consists, mainly, in dispensing with the treatment of the stone (which would cause it to absorb-fluid. matter beneath its surface) by hardening the copy on paper into a solid type by the application of nitric acid, and transferring and fixing the hardened copy upon the stone by heating the same to blood heat without chemical treatment of the stone.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Printing Methods (AREA)
- Printing Plates And Materials Therefor (AREA)
- Brushes (AREA)
Description
' stone.
UNITED STATES PATENT OFFICE.
CHARLES R. BIEDERMANN, OF SI. LOUIS, MISSOURI.
IMPROVEME NT IN PROCESSES OF LITHOGRAPHIC TRANSFERS.
Specification forming part of Letters Patent No. 184, 132, dated November 7, 1876; application filed August 9, 1876.
To all whom it may concern:
Be it known that I, CHARLES BIEDER- MANN, of the city and county of St. Louis and State of Missouri, have invented a new and Improved Process of Autographic Lithographic Printing; and I do hereby declare thatthe following is a full, clear, and exact description of the same.
My invention relates to a certain branch of lithographing and it consists in a novel process of working autographic transfers upon of autographic transfers could not be executed by persons not learned in the trade, and consequently could be of but little use in mercantile and other businesses. This is the case by reason of the fact that the autographic copy has first to be transferred to the stone and then prepared for printing, which requires great skill to prevent the ink from spreading in consequence of the porosity and suction of the stone. When the stone is thus prepared, moreover, much labor is required in cleaning the same off when a different copy is to be desired, which would occur frequently when used for business purposes. My invention consists, mainly, in dispensing with the treatment of the stone (which would cause it to absorb-fluid. matter beneath its surface) by hardening the copy on paper into a solid type by the application of nitric acid, and transferring and fixing the hardened copy upon the stone by heating the same to blood heat without chemical treatment of the stone.
In carrying out my invention I take the copy written upon paper and apply nitric acid to the back of the same. As soon as the ink is decomposed the writing commences to shine, and the autograph is ready to be transferred by a pressure produced by drawing it once through the press. A very slight pressure is necessary for this purpose, which is an advantage over the old method, as ordinarily inputting the autograph upon the stone it has to be drawn throughrepeatedly and with a constantly-increasing pressure, this being As heretofore practiced the methods.
made use of except to a very limited extent,
common limestone and other stones possess ing but little alkali and porosity may be em ployed for the purpose, and as the ink is hardened upon the surface of the stone in the shape of slightlyraised letters (in contradistinction to permeating the stone) the ink does not sink more than the thousandth part of an inch into the stone, and may be readily cleaned off fora new copy'in two minutes,'which qualities, it will be seen, render my process particularly valuable for use in the mercantile trades.
I am aware of the fact that it is notnew in lithographing to employ dilute nitric acid upon the stone to decompose the lithographingink, so as to render the stone capable of taking the printing-ink; but this involves the difficulties referred to in the first part of my specification. I am also aware that it is not new to apply acid to the paper containing the copy,and I do not claim that broadly; but
Having thus described my invention, what I claim as new is- The herein-described process of printing autographic transfers by decomposing and hardening the ink upon the paper by an application of nitric acid to the back of the same, then transferring the same to the stone by pressure and fixing it by heating the stone to about a blood-heat by means of burning alcohol, as and for the purpose described.
CHARLES ROBERT BIEDERMANN. Witnesses:
WM. A.GLARK, ERNEST KOERNER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US184132A true US184132A (en) | 1876-11-07 |
Family
ID=2253537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US184132D Expired - Lifetime US184132A (en) | Improvement in processes of lithographic transfers |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US184132A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5778790A (en) * | 1996-09-04 | 1998-07-14 | Peterson; Richard | Transfer of computer images to lithographic plates employing petroleum distillates as the transfer agent |
-
0
- US US184132D patent/US184132A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5778790A (en) * | 1996-09-04 | 1998-07-14 | Peterson; Richard | Transfer of computer images to lithographic plates employing petroleum distillates as the transfer agent |
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