Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Patent
1977-06-14
1978-11-14
Stein, Mervin
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
173DIG2, 181200, 181205, 405232, E02D 702, G10K 1100
Patent
active
041249879
ABSTRACT:
A piling rig comprises two sound-reducing enclosures arranged one over the other. In use the bottom enclosure is arranged around a row of piling and the top enclosure surrounds the piling hammer as it moves along the row of piling for pile-driving or pile-extraction purposes.
REFERENCES:
patent: 3750765 (1973-08-01), Shelbourne et al.
patent: 3975918 (1976-08-01), Jansz
Hallman Philip J.
Lawrence Harold W.
Grosz Alex
National Research Development Corporation
Stein Mervin
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