GB227638A - Process of providing aluminium or its alloys with line and/or surface etchings for printing purposes - Google Patents
Process of providing aluminium or its alloys with line and/or surface etchings for printing purposesInfo
- Publication number
- GB227638A GB227638A GB254424A GB254424A GB227638A GB 227638 A GB227638 A GB 227638A GB 254424 A GB254424 A GB 254424A GB 254424 A GB254424 A GB 254424A GB 227638 A GB227638 A GB 227638A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- alloys
- etching
- line
- etched
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/02—Local etching
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Printing Plates And Materials Therefor (AREA)
- ing And Chemical Polishing (AREA)
Abstract
227,638. Straub, W. Jan. 31, 1924. Etching.-Printing-surfaces of aluminium or its alloys are etched by means of a, solution of a mercury salt. If sharp shallow lines are required, the solution is washed off after a few seconds and the treated surface exposed to moist air. If deep etching is desired, the treated surface is immersed in a solution of any ordinary etching agent such as acetic or sulphuric acid or an alkali. Broad surfaces may be etched by applying the mercury salt solution by means of a brush or sprayer and subsequently treating them to the action of moist air or to ordinary etching reagents. In the latter case. different sections of the surface may be treated with different reagents or for different periods to produce varying grades of tone.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB254424A GB227638A (en) | 1924-01-31 | 1924-01-31 | Process of providing aluminium or its alloys with line and/or surface etchings for printing purposes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB254424A GB227638A (en) | 1924-01-31 | 1924-01-31 | Process of providing aluminium or its alloys with line and/or surface etchings for printing purposes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB227638A true GB227638A (en) | 1925-01-22 |
Family
ID=9741449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB254424A Expired GB227638A (en) | 1924-01-31 | 1924-01-31 | Process of providing aluminium or its alloys with line and/or surface etchings for printing purposes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB227638A (en) |
-
1924
- 1924-01-31 GB GB254424A patent/GB227638A/en not_active Expired
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