Cylinder head cover
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United States of America Patent
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-
Feb 14, 2012
Grant Date -
Sep 24, 2009
app pub date -
Mar 16, 2009
filing date -
Mar 18, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A tubular valve casing formed of metal is molded with an outer shell portion formed of synthetic resin. A valve body is inserted into the valve casing through an opening formed at an end of the valve casing and incorporated in the valve casing. An annular projection is formed in the outer shell portion and projects toward the end surface of the valve casing corresponding to the opening. A seal ring is arranged between the projection and the valve body.
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