Fluid pressure sleeve and rubber gasket pipe joint

Details Fluid pressure sleeve and rubber gasket pipe joint Fluid pressure sleeve and rubber gasket pipe joint

1979-07-09

1981-05-26

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277226, F16J 1546

Patent

active

042694191

ABSTRACT:
Disclosed herein is a sleeve which utilizes fluid pressure to form a seal between two cylindrical objects, typically a manhole wall and its associated conduit. The structure includes a ribbed annular sleeve provided with an inner chamber having valves disposed thereon to permit the introduction of a liquid which when introduced applies pressure on the seal and assures a tight fit. The seal is so constructed to act as a shock absorberand to counter act movement caused by vibration, deflection, or settlement, and a rubber gasket joint between vertical sections of manholes of variable heights, forms a water tight flexible seal, and is also used in joining concrete pipe approximately 18" through approximately 108" in all types of pressure conduits or gravity sewer lines.

REFERENCES:
patent: 393684 (1888-11-01), Berryhill
patent: 1966202 (1934-07-01), Pfefferle
patent: 2226304 (1940-12-01), Dillon
patent: 2814514 (1957-11-01), Beatty
patent: 3121570 (1964-02-01), Gilbert
patent: 3258271 (1966-06-01), Hollingsworth
patent: 3360273 (1967-12-01), Hundt et al.
patent: 3501868 (1970-03-01), Ganzinotti
patent: 3980311 (1976-09-01), Ditcher
patent: 4073048 (1978-02-01), Ditcher
patent: 4182179 (1980-01-01), Meginnis

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