Importance

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Abstract

Localized stress concentration is minimized in a metal gasket (1). The metal gasket (1) is configured to be interposed between fastening surfaces (8A, 16E) of component parts (3, 4), and comprises a passage hole (34) corresponding to a passage (11, 18) of the component parts opening out on the fastening surfaces, a bead (38) surrounding the passage hole in an endless manner, at least three bolt holes (35) formed outside of the bead to allow fastening bolts (40) for fastening the component parts to each other to be passed therethrough, a bolt pressure receiving region (41) being defined around each bolt hole so as to correspond to a head (40A) of the corresponding fastening bolt, a first region (42) being defined by linearly connecting the bolt pressure receiving regions of two adjoining bolt holes each other and being provided with a width equal to a diameter of the bolt pressure receiving regions, and a second region being defined as a part of the first region (42) located outside of the bead; and a through hole (36) formed in the second region (43).

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First Claim