Valves and valve actuation – With material guide or restrictor – Movable or resilient guide or restrictor
Patent
1993-09-22
1995-06-06
Walton, George L.
Valves and valve actuation
With material guide or restrictor
Movable or resilient guide or restrictor
251214, 251215, 251225, 2513353, 277110, 285354, 285911, F16K 4100, F16K 3150
Patent
active
054215471
ABSTRACT:
An inline valve includes a glass body having an upwardly open bore with a tapered seating surface, and colinear inlet and outlet ports having passages intersecting the seating surface. Fluid flow between the ports is regulated by a valve member whose stem has a tapered tip conforming substantially in shape to that of the seating surface. The tip has a relatively soft surface which can conform to irregularities in the seating surface when the valve is closed. An annular seal or an extensible boot prevents fluid leakage along the valve stem.
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Scientific Machine and Supply Company
Walton George L.
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