GB575657A - Improvements relating to the production of perforated designs in metal - Google Patents

Improvements relating to the production of perforated designs in metal

Info

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
Application number
GB582244A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ALFRED JOSEPH BULL
CHARLES BOWDEN
Original Assignee
ALFRED JOSEPH BULL
CHARLES BOWDEN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ALFRED JOSEPH BULL, CHARLES BOWDEN filed Critical ALFRED JOSEPH BULL
Priority to GB582244A priority Critical patent/GB575657A/en
Publication of GB575657A publication Critical patent/GB575657A/en
Expired legal-status Critical Current

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.
GB582244A 1944-03-29 1944-03-29 Improvements relating to the production of perforated designs in metal Expired GB575657A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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