Valve for a first stage regulator having an encapsulated head

Details Valve for a first stage regulator having an encapsulated head Valve for a first stage regulator having an encapsulated head

1997-03-13

1998-05-05

Asher, Kimberly L.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820524, 13750542, 137375, 251357, 251358, A62B 902, A62B 1802, F16L 700, F16K 3112

Patent

active

057461988

ABSTRACT:
A movable valve member is disposed within a first stage regulator within a regulator body for receipt of pressurized gas. The movable valve member is formed of a metal having an enlarged head and an attached stem with a shoulder integral with the stem adjacent the enlarged head. Surrounding the head and extending peripherally is an elastomeric or plastic material. A support washer is pressed over the shoulder against the plastic molded surface and is frictionally engaged to support the elastomeric or plastic material. A process for making the movable valve member is also provided.

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