Match lapping valve assemblies
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United States of America Patent
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Issued Date -
Jul 21, 2005
app pub date -
Jan 12, 2005
filing date -
Jan 15, 2004
priority date (Note) -
Abandoned
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Abstract
A method for match lapping a ball valve assembly including a ball and a seat, the method having the following steps: contacting the seat with the ball; rotating the ball about a first rotational axis; rotating the seat about a second rotational axis; and changing an angle formed at the intersection of the first and second rotational axes. The method may include applying lapping compound to one or both of the seat and ball.
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