METHOD OF MACHINING AND HARDENING WORKPIECES WITH ELECTRICAL DISCHARGE MACHINING APPARATUS

• US 3,459,916 A
• Filed: 09/01/1965
• Issued: 08/05/1969
• Est. Priority Date: 09/01/1965
• Status: Expired due to Term

• Current Assignee: Millard A. Ferguson
• Original Assignee: Millard A. Ferguson
• Inventors: Ferguson, Millard A.
• Application Number:
  US04/484,305
• Time in Patent Office: 1,434 Days
• US Class Current: 219/69.17
• CPC Class Codes: B23H 1/00 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
• CPC Class Codes: B23K 11/0013 welding for reasons other than joining, e.g. build up welding

Claims