Electrolytic finishing system
CA 1321978 C · Owner: Asaoka, Teruo · Inventors: Kuwabara, Youhei; Iwasaki, Yasuhiro; Asaoka, Teruo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure An electrode is positioned with a predetermined gap between the electrode and a surface of a work in an electrolyte tank. Pulses are intermittently applied to the electrode. Electrolyte including residual products is discharged from the tank. The discharged electrolyte is cleaned by a filtering device to produce clean electrolyte. The clean electrolyte is supplied to the electrolyte tank for next machining.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 7, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 7, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.