Seal between two elements, especially between concrete pipes

Details Seal between two elements, especially between concrete pipes Seal between two elements, especially between concrete pipes

1993-09-01

1997-02-04

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277207A, 277226, F16J 1510

Patent

active

055990282

ABSTRACT:
A seal for concrete pipes wherein the sealing function can be controlled by varying the relative change of length under compression, the hardness of the elastomeric material or a combination of the two. The elastomeric body is of wedge-shaped cross section wherein the wedge-shaped end is positioned at the front in the direction of introduction of the pipe end. The elastomeric body further includes a base end having an introduction opening to a reception space. An attachment portion is anchored in the reception space of the elastomeric body and is adapted to control the degree of compression of the elastomeric body.

REFERENCES:
patent: 2924472 (1960-02-01), Bush
patent: 4299399 (1981-11-01), Haaland
patent: 4641858 (1987-02-01), Roux
patent: 4871180 (1989-10-01), Preisendorfer
patent: 4934716 (1990-06-01), Nordin et al.
patent: 4946175 (1990-08-01), Nordin et al.
patent: 5064207 (1991-11-01), Bengtsson

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