Plastic gate valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 30, 1987
Grant Date -
N/A
app pub date -
Mar 27, 1985
filing date -
Apr 20, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plastic gate valve including a plastic valve casing having a passage and a valve chamber therein; a spindle extending in the valve chamber and rotatably supported by the valve casing; a handle connected with the spindle and rotating it; and a plastic valve body engaged with the spindle and moving along an inner wall of the valve chamber in response to the rotation of the spindle whereby the valve body opens and shuts the passage. The valve body is made of heat-resistant rigid vinyl chloride resin and covered with rubber-like elastic material by means of vulcanization adhesion so as to be integral with the valve body.
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