Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1987-12-14
1989-05-09
Shoap, Allan N.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
49489, 52 20, 220378, 277180, 404 25, B65D 5300, F02D 2914, F16J 1510
Patent
active
048282740
ABSTRACT:
A sealing assembly particularly of the type used with a manhole cover or a height adjustment ring or structure for a manhole cover to facilitate a liquid type seal between the sealing surface of the cover and the mating surface of a support frame on which it rests. The assembly comprises specifically corresponding and cooperativetly dimensioned transverse dove tail configured groove and gasket arrangements both carried by the manhole cover wherein an outer peripheral portion of the gasket extends outwardly for sealing engagement with the mating surface on which the manhole cover rests when in its closed position.
REFERENCES:
patent: 2444119 (1948-06-01), Thorn et al.
patent: 2783068 (1957-02-01), Bloom et al.
patent: 3144035 (1964-08-01), Hoblanian et al.
patent: 3248119 (1966-04-01), Smith et al.
patent: 3366392 (1968-01-01), Kennel
patent: 3575431 (1971-04-01), Bryant
patent: 4101236 (1978-07-01), Meyer
patent: 4188151 (1980-02-01), Hall
patent: 4304415 (1981-12-01), Wolf et al.
patent: 4534570 (1985-08-01), Munde
Malloy John Cyrill
Shoap Allan N.
U.S. Foundry & Manufacturing Corp.
LandOfFree
Sealing assembly for manhole covers and adjustment rings therefo does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sealing assembly for manhole covers and adjustment rings therefo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sealing assembly for manhole covers and adjustment rings therefo will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-84474