Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing
Patent
1983-06-30
1985-09-10
Walton, George L.
Fluid handling
With cleaner, lubrication added to fluid or liquid sealing...
Cleaning or steam sterilizing
134166C, 134169C, 13762511, 13762541, 13762546, 222148, B08B 302, B08B 902
Patent
active
045400156
ABSTRACT:
A shear valve obtaining selective fluidic communication between fluid ports formed in a first member and fluid ports formed in a second member comprises a first seal with means for providing a fluidic seal between aligned ports and which separates the first and second members to form a passage, and a second sealing means to obtain a fluidic seal between the first and second members and enclose the passage. A fluid port is provided to introduce wash solution into the passage formed between the first and second members and a drain port is provided to remove the wash solution introduced between the first and second members, so that a wash and purge operation may be performed to cleanse the sealing surfaces of the valve.
REFERENCES:
patent: 2911008 (1959-11-01), Du Bois
patent: 3114393 (1963-12-01), Vlasic
patent: 3186434 (1965-06-01), Hrdina
patent: 3246667 (1966-04-01), Pemberton
patent: 3451428 (1969-06-01), Pruett
patent: 3707991 (1973-01-01), Shapiro
patent: 3752167 (1973-08-01), Makabe
patent: 4156437 (1979-05-01), Chivens et al.
patent: 4310022 (1982-01-01), Cohen
Henriksen Melvin S.
Meyer Richard C.
Beckman Instruments Inc.
Grant A.
Hampson G. T.
May W. H.
Walton George L.
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