B - Operations – Transporting – 23 – H
Patent
B - Operations, Transporting
23
H
204/83
B23H 9/06 (2006.01) B23H 3/02 (2006.01) B23H 9/00 (2006.01)
Patent
CA 1089407
Abstract of the Disclosure A method for etching fine grooves in surfaces by the combination of pulsed currents in a modfied E.C.M. (Electro Chemical Machining) method in combination with a flow guiding template. The method is very suitable for the etching of grooves in a surface used in a bearing.
258827
Fetherstonhaugh & Co.
Ultra Centrifuge Nederland N.v.
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