Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuan-Yung Lee0
Date of Patent
September 6, 2011
0Patent Application Number
121288290
Date Filed
May 29, 2008
0Patent Primary Examiner
Patent abstract
The present invention relates to an air valve, including a valve body, an air valve adjusting pipe, an adjusting bolt, an airtight ring and a screw cap. With the geometric shapes of the air valve adjusting pipe and the adjusting bolt, the airtight ring installed onto the adjusting bolt is in contact with the internal wall of the air valve adjusting pipe to achieve a totally airtight effect and adjusting the level of airtightness.
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