Metal gasket

Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal between parts of internal combustion engine

Reexamination Certificate

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Details

C277S591000, C277S593000, C277S595000

Reexamination Certificate

active

06935635

ABSTRACT:
A multi-layer metal gasket includes at least on active layer and at least one shim layer having aligned combustion holes. The shim layer has annular portions surrounding the combustion holes and tab portions projecting radially outwardly from the annular portions surrounding the combustion holes. The annular portions underlie associated sealing beads of the active layer. The tab portions each have a radially extending neck region and a set of lateral bend tabs supported at the end of the neck region and projecting laterally outwardly thereof. The bend tabs project through an associated set of laterally spaced mounting windows formed in the active layer and are bent back toward one another to secure the shim layer to the active layer.

REFERENCES:
patent: 1771596 (1930-07-01), Victor
patent: 5348311 (1994-09-01), Miyaoh
patent: 6027124 (2000-02-01), Ishida
patent: 6062573 (2000-05-01), Budovec
patent: 2002/0135135 (2002-09-01), Fujino et al.

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