Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1985-04-12
1987-01-06
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277166, 404 69, F16J 1512, E01C 1110
Patent
active
046341331
ABSTRACT:
An expansion joint which provides a flexible seal between two spaced-apart confronting sections of similar structures such as roadway slabs or the like. The expansion joint includes at least one assembly adapted to be secured to each section of the structure. The assembly has an upper elongated beam portion and a lower elongate and fixed forming bar portion. The beam portion and the bar portion are spaced apart to provide an elongated channel. The channel defines has a mouth which opens towards the gap between opposing assemblies. The joint includes a sealing element for spanning the gap between the assemblies. The sealing element includes a flexible intermediate portion with two laterally extending elongate flanks. At least one clamp member lockingly engages the flanks to each of the confronting sections. The clamp member, together with the flanks, are insertable into a channel defined by the upper beams and lower forming bar. The clamp member is secured between upper beam and lower forming bar and the clamp and the flank are secured together by compressive engagement between the clamps and the flanks.
REFERENCES:
patent: 3527009 (1970-09-01), Nyquist
patent: 3570378 (1971-03-01), Honegger
patent: 3606826 (1971-09-01), Bowman
patent: 3887292 (1975-06-01), Koster
patent: 4111584 (1978-09-01), Fyfe
patent: 4221502 (1980-09-01), Tanikawa
patent: 4295315 (1981-10-01), Lynn-Jones et al.
Ward Robert S.
Wercholoz-Honel Systems Inc.
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