Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1988-01-11
1989-08-29
Shoap, Allan N.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
52396, 52403, 277205, 277207R, 404 65, 404 66, 404 74, E01C 1102, E01C 1110, F16J 1510
Patent
active
048610437
ABSTRACT:
A joint seal comprises two elastomeric elements, configured to fit as a nested assembly within the gap between adjacent slabs. The outer element (the "outer seal") is a generally U-shaped channel (with sides and a bottom), and performs the actual sealing function. The outer surfaces of the channel sides are formed with a series of longitudinally-extending fins, which frictionally engage the slab edges. The inner element ("the core") is formed as a generally rectangular tube that provides a structural strength for the seal assembly. It includes a tubular outer wall and an internal truss-type framework consisting of a number of interconnected webs. The seal assembly is installed under compression.
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Anderson Joseph
Baldi Barney T.
Engstrom John M.
Bechtel International Corporation
Shoap Allan N.
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