Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1977-09-08
1978-07-11
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277DIG6, 62 55, 252 62, 285DIG5, 428458, 428474, F16J 1510, F17C 702, B32B 2734
Patent
active
040997260
ABSTRACT:
Method for preventing the escape of liquid nitrogen and nitrogen gas from an apparatus for treating materials with high energy ionizing radiation while the materials are being maintained at temperatures below about -40.degree. C. with liquid nitrogen comprising using a packing made of filaments of poly (p-phenylene terephthalamide) at the joints in the liquid nitrogen conduit.
REFERENCES:
patent: 2971782 (1961-02-01), Sparkman et al.
patent: 3397720 (1968-08-01), Jones
patent: 3767211 (1973-10-01), Amphlett
patent: 3795245 (1974-03-01), Allen et al.
patent: 3831259 (1974-08-01), Joulas
patent: 3937754 (1976-02-01), Shimotsuma et al.
patent: 3988029 (1976-10-01), Gibson
Advances in Cryogenic Engineering, vol. 7, pp. 556-561, "Temperature-Enered Static Seal for Liquid Oxygen," S. E. Logan, Jul. 1955.
Brynjolfsson Ari
Laible Roy C.
Edelberg Nathan
Gibson Robert P.
Rainey Charles C.
The United States of America as represented by the Secretary of
Ward, Jr. Robert S.
LandOfFree
Packing for cryogenic seal joint does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Packing for cryogenic seal joint, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Packing for cryogenic seal joint will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-257791