US Patent 7862403 Surface grinder for ball of ball valve
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Patent abstract
A surface grinder for a ball of a ball valve comprises a ball positioning device at an X axis for driving the ball to rotate about the X axis and a grinding device at a Z axis for driving a grindstone set to rotate about the Z axis, wherein the grindstone set grinds a spherical surface of the ball.
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Patent Inventor Names
Chun Chen Lai0
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US Patent 07862403 Surface grinder for ball of ball valve US Patent 7862403 Surface grinder for ball of ball valve
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Patent Number
078624030
Patent Number
78624030
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Official Website
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Patent Jurisdiction
Patent Number
078624030
Date of Patent
January 4, 2011
0Patent Application Number
121503600
Date Filed
April 28, 2008
0Official Website
Patent Primary Examiner
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US Patent 07862403 Surface grinder for ball of ball valve
Infobox
Is a
Patent jurisdiction
Patent number
07862403
Date of patent
January 4, 2011
Patent application number
12150360
Date Filed
April 28, 2008
Patent primary examiner
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