JPS5837946U - metal gasket - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案ガスケットの一実施例を示す要部の拡大
断面図、第２図乃至第４図は夫々別異の実施例を示す要
部の断面図、第５図は第１図示の金属ガスケットにおけ
る復元量と面圧との測定結果を示すものである。 １〜金属ガスケツト、２〜基板、３〜副板、４〜燃焼室
開口部、５〜ビード、５ａ〜内周ビー　ド、５ｂ〜外周
ビード。Fig. 1 is an enlarged sectional view of the main part showing one embodiment of the gasket of the present invention, Figs. 2 to 4 are sectional views of the main part showing different embodiments, and Fig. 5 is the same as that shown in Fig. 1. It shows the measurement results of the amount of restoration and surface pressure in a metal gasket. 1-metal gasket, 2-substrate, 3-subplate, 4-combustion chamber opening, 5-bead, 5a-inner bead, 5b-outer bead.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ばね弾力を具えた硬性金属板からなる基板と、該基板を
挾む少くとも一対の軟性金属板からなる副板とを有する
金属ガスケットにおいて、前記基板に穿ったシール穿孔
部を囲繞する周縁のばね形状を少くとも二段に形成し、
シール穿孔部に近接して強いばね弾力を有する内周ばね
形状に、また該ばね形状に連続してその外側に少くとも
前記内周ばね形状より弱いばね弾力を有する外周ばね形
状に構成したことを特徴とする金属ガスケット。In a metal gasket having a substrate made of a hard metal plate with spring elasticity and a sub-plate made of at least a pair of soft metal plates sandwiching the substrate, a spring on a periphery surrounding a seal perforation made in the substrate is provided. Form the shape into at least two stages,
An inner circumferential spring shape having a strong spring elasticity is formed adjacent to the seal perforation, and an outer circumferential spring shape having a spring elasticity weaker than the inner circumferential spring shape at least on the outside continuous to the spring shape. Features a metal gasket.