Gasket and method of casting same in a wall

Details Gasket and method of casting same in a wall Gasket and method of casting same in a wall

1994-02-18

1996-06-25

DePumpo, Daniel G.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277189, 277212FB, 285230, F16J 900, F16L 4900

Patent

active

055293123

ABSTRACT:
An annular gasket is disclosed which may be used in concrete manhole structures and pipe structures. An embodiment of the invention includes an annular body positioned to lie in a joint between two surfaces such as a wall and an outer surface of a pipe or an inner surface of one pipe and the outer surface of another pipe, structure for anchoring the body within the wall or pipe so that the body lies adjacent the wall or pipe, a sleeve having first and second folds, structure for coupling the sleeve to the body so that the sleeve is movable between a folded position adjacent the body and an unfolded position around the outer surface of the pipe, and structure for the securing the sleeve in the folded position.

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