Global Patent Index - EP 0760918 A1

EP 0760918 A1 19970312 - A LATERAL SEAL SYSTEM FOR VALVES

Title (en)

A LATERAL SEAL SYSTEM FOR VALVES

Title (de)

DICHTUNGSANORDNUNG FÜR EIN DREHKLAPPENVENTIL

Title (fr)

SYSTEME D'ETANCHEITE LATERALE POUR SOUPAPES

Publication

EP 0760918 A1 19970312 (EN)

Application

EP 95900270 A 19941109

Priority

  • IT 9400192 W 19941109
  • IT PR940023 A 19940523

Abstract (en)

[origin: WO9532377A1] The essential feature of a new lateral seal system for a butterfly valve (1), of which the pivotable valve disc (3) carries a sealing ring (5) mounted with freedom of radial movement, positioned to interact with a conical seat (4) and secured by a flange (7), is an annular gasket (9) composed of a corrugated external portion (9'') deformable in the radial direction and fastened by one edge to the sealing ring, and an internal portion (9') clamped between and in fluid-tight contact with the disc and flange.

IPC 1-7

F16K 1/226

IPC 8 full level

F16K 1/226 (2006.01)

CPC (source: EP)

F16K 1/2261 (2013.01)

Designated contracting state (EPC)

DE FR IT

DOCDB simple family (publication)

WO 9532377 A1 19951130; AU 8115594 A 19951218; EP 0760918 A1 19970312; IT 1272821 B 19970630; IT PR940023 A0 19940523; IT PR940023 A1 19951123

DOCDB simple family (application)

IT 9400192 W 19941109; AU 8115594 A 19941109; EP 95900270 A 19941109; IT PR940023 A 19940523