Pipe seal

Details Pipe seal Pipe seal

1980-12-09

1982-06-08

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277189, 277 343, 285230, F16L 2102, F16J 1532

Patent

active

043336620

ABSTRACT:
A gasket which is particularly suited for sealing the annular space between a pipe and a port in an underground structure is disclosed. The gasket comprises a hollow annular ring which surrounds the pipe and is connected by a narrow neck to a base at least partially embedded in the underground structure. The base has means extending around its outer periphery to mount the seal securely in the manhole and to provide a block against water seepage across the periphery of the gasket.

REFERENCES:
patent: B313280 (1976-04-01), Schuldink
patent: 2607966 (1952-08-01), Beck
patent: 3787061 (1974-01-01), Yoakum
patent: 3907310 (1975-09-01), DuFour
patent: 4186931 (1980-02-01), Anderson

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