US Patent 7669859 Cylinder head gasket
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Patent abstract
A cylinder head gasket is formed of at least one metal plate for forming the gasket. The gasket includes cylinder bores, and sealing devices or beads to surround the cylinder bores. A notch portion for reducing surface pressure is provided at a flat portion of the at least one metal plate where a rigidity of the sealing device is not affected.
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Patent Inventor Names
Toshihiro Imai0
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Official Website
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US Patent 07669859 Cylinder head gasket US Patent 7669859 Cylinder head gasket
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Patent Number
076698590
Patent Number
76698590
Edits on 5 Apr, 2023
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Patent Jurisdiction
Patent Number
076698590
Date of Patent
March 2, 2010
0Patent Application Number
116391520
Date Filed
December 15, 2006
0Official Website
Patent Primary Examiner
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US Patent 07669859 Cylinder head gasket
Infobox
Is a
Patent jurisdiction
Patent number
07669859
Date of patent
March 2, 2010
Patent application number
11639152
Date Filed
December 15, 2006
Patent primary examiner
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