Multilayer lubrication coating film and internal combustion engine piston using the coating film
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 2015
Grant Date -
Aug 11, 2011
app pub date -
Jan 31, 2011
filing date -
Feb 9, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multilayer lubrication coating film is formed on the outer surface of an object to be coated. The multilayer lubrication coating film comprises a lower-layer coating film formed on an outer surface of the object to be coated, and an upper-layer coating film formed on a surface of the lower-layer coating film. The lower-layer coating film has a higher Vickers hardness than the Vickers hardness of the object to be coated.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully