Patent
1974-12-23
1976-07-20
Shapiro, Jacob
61 727, 214 1PA, 214 1PB, F16L 100
Patent
active
039699056
ABSTRACT:
Method and apparatus for laying pipelines wherein a number of operating trolleys running on the bottom of an excavation are powered from service vehicles running on a service path to the side of the excavation to enable said operating trolleys to position and connect additional pipeline lengths before advancing to deposit the completed pipeline on the excavation bottom.
REFERENCES:
patent: 1844385 (1932-02-01), Goldsmith
patent: 2538365 (1951-01-01), Jones
patent: 3605419 (1971-09-01), Wells
patent: 3686888 (1972-08-01), Helton
patent: 3710583 (1973-01-01), Blackwell
patent: 3744259 (1973-07-01), Wagley
Brown & Root Pipelay Barge, M-211.
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