MANUFACTURING METHOD OF A VALVE
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United States of America Patent
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Issued Date -
Aug 30, 2012
app pub date -
Jul 14, 2010
filing date -
Aug 13, 2009
priority date (Note) -
Abandoned
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Abstract
A method to manufacture a valve using metal injection moulding is disclosed. The valve housing comprises a welding cap for welding the upper part of the valve to the valve housing. The welding cap is placed so the upper part can be welding to the housing without damaging the inner cavity of the housing. There is a gab between the welding cap and the inner liner so the heat from the welding to not damage the inner liner allowing the inner parts of the valve to move freely.
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