Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing
Patent
1979-05-25
1981-04-21
Schwadron, Martin P.
Fluid handling
With cleaner, lubrication added to fluid or liquid sealing...
Cleaning or steam sterilizing
251160, 251315, 277 65, 251180, 251192, 251174, F16K 5100, F16K 2500, F16K 500, F16J 1538
Patent
active
042626889
ABSTRACT:
A metal seat assembly (40) for sealing against the sealing surface of a valve member movable between open and closed positions. The seat assembly comprises an outer metallic ring (44) having an inwardly extending metal seal lip (58) hinged to the main body (48) of the ring by a reduced thickness portion. An intermediate metal backing ring (45) has a plurality of spaced fingers engaging the hinged metal lip to urge continuously the lip (58) into tight sealing contact with the valve member, and the backing ring may be adjusted to control the force exerted by the fingers against the metal lip. An innermost metal wiper ring (46) adjacent the flexible metal lip is urged continuously into contact with the sealing surface of the valve member to minimize contact of foreign matter with the sealing lip.
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patent: 3181834 (1965-05-01), Jennings et al.
patent: 3252684 (1966-05-01), Ksieski
patent: 3761099 (1973-09-01), Hansson
patent: 3940107 (1976-02-01), Allenbaugh, Jr.
patent: 4071220 (1978-01-01), Iino
patent: 4073473 (1978-02-01), Rihm et al.
patent: 4124194 (1978-10-01), Alvarez et al.
patent: 4137936 (1979-02-01), Sekimoto et al.
ACF Industries Incorporated
Belsheim Stephen T.
Chambers A. Michael
Riddle Eugene N.
Schwadron Martin P.
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