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Patent Searching and Data


Title:
ピストンリングの溶射
Document Type and Number:
Japanese Patent JP4267459
Kind Code:
B2
Abstract:
The invention relates to a piston ring coated with a coating material by a thermal spray process, exposed to heat treatment of the coating material at an elevated temperature and for a time effective to at least partially diffuse the coating material into the piston ring surface or underlying layer of coating material, and an additionally applied coating material layer subject to successive heat treatments of each coating material layer in order to lay down on the piston ring surface a plurality of layers of the same coating material.

Inventors:
Alam, Maddy
Application Number:
JP2003571523A
Publication Date:
May 27, 2009
Filing Date:
February 28, 2002
Export Citation:
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Assignee:
Concentra Marine and Power Akzievo Lagu
International Classes:
C23C4/06; F02F5/00; C23C4/02; C23C4/04; C23C4/12; C23C4/18; F02B77/02; F02F3/14; F16J9/26
Domestic Patent References:
JP3277764A
JP10299568A
JP62501574A
JP9504340A
JP8013118A
JP58027862A
JP7243528A
Foreign References:
US5989343
US5268045
US3066042
Attorney, Agent or Firm:
Yusuke Hiraki
Sekiya Mitsuo
Yasushi Hayakawa