Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement
Patent
1985-07-02
1987-03-17
Husar, Cornelius J.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Repair, replacement, or improvement
173128, 173132, 403334, 403368, F16L 100, B25D 1708
Patent
active
046503749
ABSTRACT:
In an apparatus for driving open-ended pipes through the ground, a hollow intermediate piece having a truncated conical transition portion with outlet openings for the removal of soil, which is forced into the pipe during driving, is disposed between the rearward end of the pipe and a pneumatic rammer for driving the pipe.
REFERENCES:
patent: 1769169 (1930-07-01), Thornley
patent: 1894446 (1933-01-01), McKenny
patent: 1948707 (1934-02-01), Gilman
patent: 2325565 (1943-07-01), Williams
patent: 2534809 (1950-12-01), Brown
patent: 2902832 (1959-09-01), Levy et al.
patent: 3742718 (1973-07-01), Weiss et al.
patent: 4462468 (1984-07-01), Jenne
Husar Cornelius J.
Stodola Nancy J.
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