Sealing member

F - Mech Eng,Light,Heat,Weapons – 16 – J

Patent

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Details

F16J 15/18 (2006.01) F16K 1/30 (2006.01)

Patent

CA 2525602

A rubber (elastic substance) is attached by vulcanization and an annular sealing member 4 is formed in an annular groove 3 having a step and provided in the bottom wall of a body 2 of a valve disc 1. The sealing member 4 has an annular portion 41 and an annular portion 42. Most of the annular portions 41, 42 are located in a deep groove portion 31 and a shallow groove portion 32, respectively, and the volume of the annular portion 41 is larger than the volume of the annular portion 42. Furthermore, an annular protrusion 43, which protrudes downward, is provided in the boundary region between the annular portions 41, 42. An inclined section that is inclined at the prescribed inner angle Q is also formed in the boundary region.

Élément de joint annulaire (4) formé dans un élément de soupape (1) par vulcanisation/adhésion d'un corps élastique en caoutchouc sur une rainure annulaire (3) formée dans la paroi de fond d'un corps (2) et dotée d'un gradin, comprenant une partie annulaire (41) et une partie annulaire (42). Les parties annulaires (41) et (42) sont principalement insérées dans une partie de rainure profonde (31) et une partie de rainure peu profonde (32), et le volume de la partie annulaire (41) est conçu de façon à être supérieur au volume de la partie annulaire (42).Par ailleurs, une partie annulaire en saillie (43) faisant saillie vers le bas est formée dans une portion de séparation des parties annulaires (41) et (42), et une partie inclinée, inclinée selon un angle interne donné (Q) est formée dans la portion de séparation.

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