Gasket for an aerosol valve stem
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 3, 2001
Grant Date -
N/A
app pub date -
Apr 27, 1999
filing date -
Apr 27, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved valve stem gasket comprising a flat-shaped gasket with a central aperture wherein the durometer of the gasket varies from a relatively low hardness value in the inner portion of the gasket extending radially outward from the central aperture to a relatively higher hardness value at the radially outer portion of the gasket whereat the gasket will be contacted by the upper wall portion of the valve housing. In a preferred form of the gasket, the variation in durometer value will be gradually varied from the inner portion of the gasket to the radially outer portion of the gasket.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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