Arrangement for fixing friction patches on a gate valve shutter

Details Arrangement for fixing friction patches on a gate valve shutter Arrangement for fixing friction patches on a gate valve shutter

1990-09-12

1992-01-28

Chambers, A. Michael

Valves and valve actuation

Valve

251326, 251327, F16K 300

Patent

active

050837524

ABSTRACT:
Friction patches 7 are fixed on the metal core 1 of a shutter of a disc valve. The core comprises at least one seating 3 intended to accommodate a friction patch 7 provided with deformable fingers 8 which permit its accurate positioning on the core and its mechanical attachment on the disc via an injection elastomer 2.

REFERENCES:
patent: 3399863 (1968-09-01), Fawkes
patent: 3544066 (1970-12-01), Fawkes
patent: 3861646 (1975-01-01), Douglas
patent: 4531532 (1985-07-01), Zimmerly
patent: 4682759 (1987-07-01), Hall et al.

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