Appliance for preventing water from leaking through joint

Details Appliance for preventing water from leaking through joint Appliance for preventing water from leaking through joint

1991-02-19

1992-12-22

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

285925, F16J 1510

Patent

active

051729199

ABSTRACT:
A seal, constituted by a water-expansible portion and a water-unexpansible portion, prevents water from leaking in a construction joint. The expansible portion surrounds the unexpansible portion everywhere except on a side of the unexpansible portion which is adhered to one of two mutually facing surfaces of the construction joint. The unexpansible portion is sized, relative to the overall size of the seal, particularly in the width dimension, so that it adheres with sufficient strength to one of the mutually facing surfaces of the construction joint so as not to become pulled off in use. An effective seal thus is maintained even in a swollen state.

REFERENCES:
patent: 2402114 (1946-06-01), Le Clair
patent: 3099110 (1963-07-01), Spaight
patent: 3379480 (1968-04-01), Storm
patent: 3561177 (1971-02-01), Agro et al.
patent: 3576330 (1971-04-01), Gard
patent: 3834744 (1974-09-01), Masatchi
patent: 4361348 (1982-11-01), Rapp et al.
patent: 4449713 (1984-05-01), Ishido
patent: 4558875 (1985-12-01), Yamaji et al.
patent: 4581864 (1986-04-01), Shvakhman et al.
patent: 4827834 (1989-05-01), Leigh-Monstevens
Patent Abstracts of Japan, JP-A 1-263389, vol. 14, No. 23 (M-920) [3966], Jan. 17, 1990.

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