Metal gasket for use in engine with chain case
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United States of America Patent
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-
Mar 9, 2004
Grant Date -
May 30, 2002
app pub date -
Nov 28, 2001
filing date -
Nov 30, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A metal gasket used in an engine with a chain case, using a foam-rubber seal member shaped to withstand in practical use and having excellent long-lasting reliability and excellent durability. A total constitutive plate of the metal gasket is extended along the chain case to form an extended part. This extended part has a chain case hole. The foam-rubber seal member seals a chain case opening and a three-surface joining portion defined by the chain case, a cylinder block and a cylinder head. The foam-rubber seal member is a separate and distinct member and is a sheet-like and loop-like combination of layers of foam rubber and a metal core plate interposed between these foam rubber layers.
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