Patent Number: 6,254,755

Title: Electroplating process for oldham ring and scroll member type compressor comprising the same

Abstract: The object of the present invention is to provide an Oldham ring having uniform electroplating thickness and a scroll member type compressor comprising the same; in order to accomplish the above object, the electroplating process for plating an Oldham ring comprising a ring body and a plurality of key portions extending outwardly from the ring body of the present invention comprises the steps of: soaking the Oldham ring in a plating liquid; arranging at least two cathodes respectively on the inside wall of the ring body at positions corresponding to the areas between each adjacent pair of the key portions; and electroplating the Oldham ring by passing electric current between the cathodes and at least one anode contacting to the plating liquid.

Inventors: Miura; Shigeki (Nishi-kasugai-gun, JP), Takeda; Kimiharu (Nishi-kasugai-gun, JP), Hagi; Nobuo (Nishi-kasugai-gun, JP), Inoguchi; Kazuhiko (Nagoya, JP)

Assignee: Mitsubishi Heavy Industries, Ltd.

International Classification: C25D 7/04 (20060101); F01C 17/00 (20060101); F01C 17/06 (20060101); C25D 005/00 (); C25D 007/04 ()

Expiration Date: 07/03/2018