US160177A - Improvement in printing-surfaces - Google Patents
Improvement in printing-surfaces Download PDFInfo
- Publication number
- US160177A US160177A US160177DA US160177A US 160177 A US160177 A US 160177A US 160177D A US160177D A US 160177DA US 160177 A US160177 A US 160177A
- Authority
- US
- United States
- Prior art keywords
- printing
- improvement
- deposit
- deposits
- lithographic
- 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
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000004575 stone Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical class Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 235000011167 hydrochloric acid Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N3/00—Preparing for use and conserving printing surfaces
- B41N3/03—Chemical or electrical pretreatment
- B41N3/034—Chemical or electrical pretreatment characterised by the electrochemical treatment of the aluminum support, e.g. anodisation, electro-graining; Sealing of the anodised layer; Treatment of the anodic layer with inorganic compounds; Colouring of the anodic layer
Definitions
- a metallic surface of a quality quite equal to that of lithographic stone can be prepared, and it is this surface which forms the subject of this application for a patent.
- the surface may be prepared in different ways, but it always consists of a metallic deposit on metal plates or cylinders.
- the metallic deposits can be produced by the ordinary electric process, or they can be produced by a chemical reduction of a salt of the metal, both processes being too well known to need description here.
- the printing plate or cylinder After the printing plate or cylinder has received a very slight deposit, sufficient to cover the surface, which can be determined by the color, it is washed with water and carefully dried, all polishing being avoided, and is then ready for use.
- the deposit In order to make corrections in the drawing, the deposit must be removed at the point to be altered, the plate or cylinder carefully cleaned at this point, and the deposit renewed.
- the drawing may be fixed by the application or nitric or hydrochloric acids, but in a condition more diluted than that in which they are applied to the stones. Diluted phosphoric acid will serve the same purpose.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Printing Plates And Materials Therefor (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Description
UNITED STATEs PATENT OEEIoE.
JULIUS FRIEDLAENDER, OF BERLIN, PRUSSIA, AND PETER K. MOELLER,
OF LEIPSIG, SAXONY.
IMPROVEMENT IN PRINTING-SURFACES.
Specification forming part of Letters Patent No. 160,177, dated February :23, 1875 application filed February 9, 1874.
To all whom it may concern:
Be it known that we, J ULIUS FRIEDLAEND- ER, of Berlin, Prussia, and PETER K. MoEL- LER, of-Leipsic, Saxony, have invented an Improvement in Printing-Surfaces; and we do hereby declare the following to be a full, clear, and exact description of the same.
The process of lithographic printing prior to our invention has been conducted with lithographic stone or zinc, as they presented what were considered the only available surfaces for the purpose, the zinc being restricted in its application to work of theccoarser kind.
We have ascertained, however, that a metallic surface of a quality quite equal to that of lithographic stone can be prepared, and it is this surface which forms the subject of this application for a patent. The surface may be prepared in different ways, but it always consists of a metallic deposit on metal plates or cylinders.
It may be remarked thatthose metallic deposits which impart a polished surface, as most of the solutions of iron, nickel,'and arsenic do, are unfit for lithographic purposes, as are also those deposits which do not adhere permanently to the metal.
Deposits of copper, lead, tin, silver, and other metals present dead surfaces admirably adapted to the purpose 5 but we prefer a deposit of tin, as it can be most readily made.
The metallic deposits can be produced by the ordinary electric process, or they can be produced by a chemical reduction of a salt of the metal, both processes being too well known to need description here.
After the printing plate or cylinder has received a very slight deposit, sufficient to cover the surface, which can be determined by the color, it is washed with water and carefully dried, all polishing being avoided, and is then ready for use.
The modes of drawing or transferring on and printing with the surfaces are precisely the same as those adopted with lithographic stones, the surface of the deposited metal having the same peculiar characteristics as those of the stone-characteristics due not to any chemical action of the metal, but to the physical peculiarity of the surface of the deposits.
In order to make corrections in the drawing, the deposit must be removed at the point to be altered, the plate or cylinder carefully cleaned at this point, and the deposit renewed.
The drawing may be fixed by the application or nitric or hydrochloric acids, but in a condition more diluted than that in which they are applied to the stones. Diluted phosphoric acid will serve the same purpose.
We claim as our invention- A printing plate or roller having the withindescribed unpolished electro or chemically DR. JULIUS FRIEDLAENDER. PETER KORFIIZ MOELLER.
Witnesses HERMANN KREisMANN, RoBART GoT'rHErL.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US160177A true US160177A (en) | 1875-02-23 |
Family
ID=2229587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US160177D Expired - Lifetime US160177A (en) | Improvement in printing-surfaces |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US160177A (en) |
-
0
- US US160177D patent/US160177A/en not_active Expired - Lifetime
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