Optics: measuring and testing – Sample – specimen – or standard holder or support – Fluid containers
Patent
1975-04-09
1977-06-07
Smith, Robert I.
Optics: measuring and testing
Sample, specimen, or standard holder or support
Fluid containers
250373, 356181, G01N 110, G01J 142
Patent
active
040279839
ABSTRACT:
A plate-like structure comprising a liquid flow path formed in one face thereof, a thin ductile seal-forming coating on the face of the structure which forms the flow path. The structure finds many utilities, most advantageously in constructing a novel valve wherein the disk is flexible and adapted for flexing a central face portion thereof against a conduit, thereby sealing said conduit.
REFERENCES:
patent: 2812777 (1957-11-01), Dahl
patent: 3567234 (1971-03-01), Skrycki
patent: 3866926 (1975-02-01), Traum
Cesari Robert A.
Kehoe Andrew F.
McKenna John F.
Smith Robert I.
Waters Associates, Incorporated
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