Sealing gasket for an obturator such as a ventilation regulator

Details Sealing gasket for an obturator such as a ventilation regulator Sealing gasket for an obturator such as a ventilation regulator

1980-10-14

1982-09-28

Spiegel, H. Jay

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251306, F16K 1226

Patent

active

043515118

ABSTRACT:
The invention concerns a sealing gasket comprising a housing defining a central concavity bordered by two lateral wings, an elastic support housed in the said concavity, a covering presenting a good resistance to wear and a coefficient of low friction which covers over the said concavity and comes back on the lateral wings upon which it comes to be fastened. The invention is applied especially to obturators such as fluid-tight regulator valves.

REFERENCES:
patent: 2945667 (1960-07-01), Bibbo et al.
patent: 3084715 (1963-04-01), Scharres
patent: 3840208 (1974-10-01), Schudel et al.
patent: 3980272 (1976-09-01), Nakai et al.
patent: 4038781 (1977-08-01), Graham
patent: 4071220 (1978-01-01), Iino
patent: 4077432 (1978-03-01), Herr
patent: 4113231 (1978-09-01), Halpine
patent: 4253641 (1981-03-01), Van Ryck
patent: 4256143 (1981-03-01), Magill et al.

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