Hydraulic and earth engineering – Foundation – Underpinning
Patent
1985-08-16
1987-06-16
Taylor, Dennis L.
Hydraulic and earth engineering
Foundation
Underpinning
405229, E02D 1702
Patent
active
046733159
ABSTRACT:
An apparatus for raising and supporting the foundation or slab of a building in which a lifting assembly is inserted underneath the foundation or slab and is adapted to receive a pipe assembly. A clamping assembly is provided for engaging a portion of the pipe assembly extending above the lifting assembly, and a hydraulic system extends between the lifting assembly and the clamping assembly for sequentially lowering the pipe assembly into the ground so that, when it encounters resistance, the foundation or slab is supported and can be raised to a predetermined level.
REFERENCES:
patent: 2982103 (1961-05-01), Revesz et al.
patent: 3796055 (1974-03-01), Mahony
patent: 3852970 (1974-12-01), Cassidy
patent: 3902326 (1975-09-01), Langenbach
patent: 4012917 (1977-03-01), Gendron
patent: 4070867 (1978-01-01), Cassidy
Gregory Steven D.
Shaw Robert R.
Kice Warren B.
Taylor Dennis L.
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