IT995680B - ENGRAVING APPARATUS - Google Patents

ENGRAVING APPARATUS

Info

Publication number
IT995680B
IT995680B IT2987073A IT2987073A IT995680B IT 995680 B IT995680 B IT 995680B IT 2987073 A IT2987073 A IT 2987073A IT 2987073 A IT2987073 A IT 2987073A IT 995680 B IT995680 B IT 995680B
Authority
IT
Italy
Prior art keywords
engraving apparatus
engraving
Prior art date
Application number
IT2987073A
Other languages
Italian (it)
Original Assignee
Gestetner Ltd
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 Gestetner Ltd filed Critical Gestetner Ltd
Application granted granted Critical
Publication of IT995680B publication Critical patent/IT995680B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
    • B26F1/28—Perforating by non-mechanical means, e.g. by fluid jet by electrical discharges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/14—Forme preparation for stencil-printing or silk-screen printing
    • B41C1/141—Forme preparation for stencil-printing or silk-screen printing by cutting or perforation with mechanical means; Electrical spark cutting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • ing And Chemical Polishing (AREA)
  • Feedback Control In General (AREA)
IT2987073A 1972-10-12 1973-10-08 ENGRAVING APPARATUS IT995680B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4713972 1972-10-12

Publications (1)

Publication Number Publication Date
IT995680B true IT995680B (en) 1975-11-20

Family

ID=10443876

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2987073A IT995680B (en) 1972-10-12 1973-10-08 ENGRAVING APPARATUS

Country Status (6)

Country Link
JP (1) JPS4994404A (en)
AU (1) AU6131873A (en)
DE (1) DE2351359A1 (en)
FR (1) FR2203313A5 (en)
IT (1) IT995680B (en)
NL (1) NL7313928A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4911075A (en) * 1988-08-19 1990-03-27 Presstek, Inc. Lithographic plates made by spark discharges
EP2564996A1 (en) * 2011-08-31 2013-03-06 Asahi Glass Company, Limited A method of generating a hole or recess or well in an electrically insulating or semiconducting substrate

Also Published As

Publication number Publication date
NL7313928A (en) 1974-04-16
JPS4994404A (en) 1974-09-07
DE2351359A1 (en) 1974-04-25
FR2203313A5 (en) 1974-05-10
AU6131873A (en) 1975-04-17

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