GB870442A - Apparatus for electrolytically manufacturing matrices for phonograph records - Google Patents

Apparatus for electrolytically manufacturing matrices for phonograph records

Info

Publication number
GB870442A
GB870442A GB228460A GB228460A GB870442A GB 870442 A GB870442 A GB 870442A GB 228460 A GB228460 A GB 228460A GB 228460 A GB228460 A GB 228460A GB 870442 A GB870442 A GB 870442A
Authority
GB
United Kingdom
Prior art keywords
matrix
anode
phonograph records
electrolytically
matrices
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
GB228460A
Other languages
English (en)
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.)
C N Rood N V
Original Assignee
C N Rood N V
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 C N Rood N V filed Critical C N Rood N V
Publication of GB870442A publication Critical patent/GB870442A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00—Electroforming
    • C25D1/10—Moulds; Masks; Masterforms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electron Tubes For Measurement (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
GB228460A 1959-01-23 1960-01-21 Apparatus for electrolytically manufacturing matrices for phonograph records Expired GB870442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL235384 1959-01-23

Publications (1)

Publication Number Publication Date
GB870442A true GB870442A (en) 1961-06-14

Family

ID=19751532

Family Applications (1)

Application Number Title Priority Date Filing Date
GB228460A Expired GB870442A (en) 1959-01-23 1960-01-21 Apparatus for electrolytically manufacturing matrices for phonograph records

Country Status (4)

Country Link
DE (1) DE1113316B (en:Method)
FR (1) FR1245358A (en:Method)
GB (1) GB870442A (en:Method)
NL (1) NL96774C (en:Method)

Also Published As

Publication number Publication date
DE1113316B (de) 1961-08-31
NL96774C (en:Method)
FR1245358A (fr) 1960-11-04

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