Hydraulic and earth engineering – Foundation – Columnar structure
Patent
1988-05-03
1989-05-02
Taylor, Dennis L.
Hydraulic and earth engineering
Foundation
Columnar structure
166182, 138 89, 405247, 405195, 405225, E02D 1300
Patent
active
048263575
ABSTRACT:
The device for the occlusion of the internal clearance of tubular foundation piles according to the invention comprises a plug, consisting of a shutter and a deforming ring cooperating with a deformation fixture capable to impart to the plug the opening position for its blockage within the pile, wherein the shutter consists of a cylindrical body which can be restrained by the deformation fixture, having close to its upper margin a plurality of axially oriented lamellar elements, which can be laterally deflected as a result of the insertion of the deforming ring into the cylindrical body under the action of the deforming fixture, going from a configuration with a smaller external diameter than the one of the rings previously fastened in the pile for this purpose, to a configuration with a larger diameter than the one of the same rings.
REFERENCES:
patent: 3343607 (1967-09-01), Current
patent: 3645345 (1972-02-01), Olsen et al.
patent: 4215951 (1980-08-01), Knox
patent: 4412559 (1983-11-01), Streich et al.
patent: 4421138 (1983-12-01), Nickles
patent: 4549580 (1985-10-01), Freeman
Fabbri Roberto
Sala Oneglio
Dubno Herbert
Olsen Arlen L.
Riva Calzoni S.p.A.
Taylor Dennis L.
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