Control valve including a piston cylinder connected to a spring

Details Control valve including a piston cylinder connected to a spring Control valve including a piston cylinder connected to a spring

1998-07-31

2000-03-14

Lee, Kevin

Valves and valve actuation

Fluid actuated or retarded

Piston type expansible chamber reciprocating valve actuator

251 63, F16K 31122

Patent

active

060361689

ABSTRACT:
An on-off valve for use in an air line of a cooling system of a glass container manufacturing machine comprises an integral frame defining an opening, a generally planar sealing member adapted to engage the frame, and a piston and cylinder device which moves the sealing member perpendicular to its plane between an open and a closed position.

REFERENCES:
patent: 4721283 (1988-01-01), Wilson
patent: 4749000 (1988-06-01), Ringe et al.
patent: 5246205 (1993-09-01), Gillingham et al.
patent: 5671902 (1997-09-01), Gauthiere et al.

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