GB575657A - Improvements relating to the production of perforated designs in metal - Google Patents
Improvements relating to the production of perforated designs in metalInfo
- Publication number
- GB575657A GB575657A GB582244A GB582244A GB575657A GB 575657 A GB575657 A GB 575657A GB 582244 A GB582244 A GB 582244A GB 582244 A GB582244 A GB 582244A GB 575657 A GB575657 A GB 575657A
- Authority
- GB
- United Kingdom
- Prior art keywords
- punch
- plate
- production
- designs
- metal
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/22—Removing surface-material, e.g. by engraving, by etching
- B44C1/227—Removing surface-material, e.g. by engraving, by etching by etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/24—Pressing or stamping ornamental designs on surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- ing And Chemical Polishing (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
575,657. Etching. BOWDEN, C., and BULL, A. J. March 29, 1944, No. 5822. Drawings to Specification. [Class 100 (ii)] [Also in Groups XXII and XXXVI] Perforated designs are produced in plates of metal by indenting the design by a punch to a depth corresponding to the finished thickness of the disc or article to be produced and then removing material from the back of the plate by an etching liquid or electrolyte, whilst the front surface is protected by a resist, until the desired pattern is exposed as a perforation in the plate. The plate is supported by a polished steel &c. plate against the thrust of the punch, the leading face of which is lapped flat. A single punch may be used with a spacing template to produce a number of impressions successively or a multiple punch may be employed but all the designs impressed are etched simultaneously. The method may be applied to the production of fixed slits for spectographic work, television scanning discs and other photoelectric devices, and to the production of small holes in nozzles, carburettors, atomizers, wire-drawing dies, and spinnerets for extruding artificial fibres.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB582244A GB575657A (en) | 1944-03-29 | 1944-03-29 | Improvements relating to the production of perforated designs in metal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB582244A GB575657A (en) | 1944-03-29 | 1944-03-29 | Improvements relating to the production of perforated designs in metal |
Publications (1)
Publication Number | Publication Date |
---|---|
GB575657A true GB575657A (en) | 1946-02-27 |
Family
ID=9803244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB582244A Expired GB575657A (en) | 1944-03-29 | 1944-03-29 | Improvements relating to the production of perforated designs in metal |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB575657A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1984003823A1 (en) * | 1983-03-31 | 1984-10-11 | Storage Technology Partners | A pivotal mechanism upon which tracking mirrors and the like used in optical systems may be mounted |
US5004521A (en) * | 1988-11-21 | 1991-04-02 | Yamaha Corporation | Method of making a lead frame by embossing, grinding and etching |
-
1944
- 1944-03-29 GB GB582244A patent/GB575657A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1984003823A1 (en) * | 1983-03-31 | 1984-10-11 | Storage Technology Partners | A pivotal mechanism upon which tracking mirrors and the like used in optical systems may be mounted |
US5004521A (en) * | 1988-11-21 | 1991-04-02 | Yamaha Corporation | Method of making a lead frame by embossing, grinding and etching |
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