Laminated metal gasket with diverse bead height
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 31, 1996
Grant Date -
N/A
app pub date -
Oct 3, 1995
filing date -
Oct 3, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A laminated metal gasket used as a cylinder head gasket for an internal combustion engine, disposed between a pair of joint surfaces having at least one hole to be sealed comprising at least one intermediate plate made of a metal plate, and a pair of surface plates made of elastic metal plates, such as steel plates or stainless steel plates, laminated on both sides of the intermediate plate, the intermediate plate and the surface plates each having at least one hole portion corresponding to the hole to be sealed, the intermediate plate being equipped with a folded portion which is made by folding back the inner peripheral edge portion around the hole portion to the joint surface subjected to more significant distortion and deformation during operation among the pair of joint surfaces, and the surface plates each being equipped with a bead surrounding the hole portion outside the folded portion, the bead of the surface plate coming into contact with the joint surface to be subjected to more significant distortion and deformation is made higher than that of the surface plate coming into contact with the other joint surface.
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