Submarine pipelines

Details Submarine pipelines Submarine pipelines

1974-08-19

1976-03-02

Shapiro, Jacob

92110, 92117A, F16L 100, F01B 1502

Patent

active

039409422

ABSTRACT:
A structure for propelling a pipeline as it is continuously formed at a construction site, wherein the formed pipeline is cap sealed at its leading end and is sealed adjacent its other end by a piston on which the pipeline slides as it is formed. The pipeline is propelled by admitting pressurized fluid through the piston from a delivery tube communicating through the piston with the interior of the seal pipeline and a stop or stops are provided to engage the delivery tube whereby thrust is applied to the cap sealed end of the pipeline.

REFERENCES:
patent: 3335642 (1967-08-01), Rosaen
patent: 3645105 (1972-02-01), Nolan, Jr.
patent: 3739591 (1973-06-01), Jones
patent: 3849997 (1974-04-01), Gower

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