Ceramic ball, ball bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic ball
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 18, 2006
Issued Date -
N/A
app pub date -
Jul 20, 2001
filing date -
Jul 21, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
A method for manufacturing ceramic balls useful as ball bearings is described, wherein spherical green bodies are formed into ceramic balls having few pores and substantially uniform strength distribution, using a rubber die having a hardness not higher than 65.
Loading the Abstract Image...
OK
First Claim
Family
Loading Family data...
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