Valves and valve actuation – Reciprocating valve – Gate
Patent
1993-09-16
1994-07-19
Fox, John C.
Valves and valve actuation
Reciprocating valve
Gate
251363, F16K 300
Patent
active
053301587
ABSTRACT:
A flange seal, disposed on opposed sides of a bore and chest liner embodied in a gate valve and secured to one of a pair of rings disposed in opposed sides of the bore section of the liner, enhances the integrity of the seal formed between the gate valve and each respective radial flange of a connected pipe.
REFERENCES:
patent: 3000608 (1961-09-01), Williams
patent: 3993092 (1976-11-01), Still
patent: 4026517 (1977-05-01), Still
patent: 4051863 (1977-10-01), Still
patent: 4112969 (1978-09-01), Still
patent: 4201365 (1980-05-01), Paptzun et al.
patent: 4231389 (1980-11-01), Still et al.
patent: 4895181 (1990-01-01), McKavanagh
patent: 4951919 (1990-08-01), Haglund et al.
Ellich Thomas J.
Peterson Dennis J.
Fox John C.
NewCon Co.
LandOfFree
Flange seal does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Flange seal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flange seal will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-514901