METAL SEAL HAVING AN INSERT THAT IS NOT RESISTANT TO EXHAUST GAS
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United States of America Patent
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Issued Date -
Dec 6, 2012
app pub date -
Oct 14, 2010
filing date -
Feb 8, 2010
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Abstract
A gasket for sealing off between two components of the exhaust line of a combustion engine includes an upper spring-elastic metal layer, a lower spring-elastic metal layer and an insert which is arranged between the upper and the lower metal layer. The gasket has at least one through-opening, and the upper and the lower layer on the sealing surface each have at least one bead which surrounds the at least one though-opening. The upper and the lower metal layers in the region adjoining the at least one through-opening are positively or materially interconnected.
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