Thrust pipe

Details Thrust pipe Thrust pipe

1987-05-29

1989-02-28

Taylor, Dennis L.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Repair, replacement, or improvement

254 29R, 285288, 405135, 138175, F16L 100

Patent

active

048080322

ABSTRACT:
Thrust pipe for disposition in a passage in the ground by advance of the pipe axially through the passage includes a plurality of pipe segments disposed in end-to-end relation one to the other. Each pipe segment includes an inner pipe section having a diametrically enlarged end for telescopically receiving the opposite end of an adjacent inner pipe section. The pipe segments each include an outer pipe section, substantially enveloping a corresponding inner pipe section. The outer surface of the pipe segments is smooth and substantially continuous. Each outer pipe section at one end terminates short of the end of the corresponding inner pipe seciton and is spaced from the outer pipe section of the adjacent pipe segment whereby compressive loadings from thrusting the pipe axially through the passage are carried by the inner pipe sections and not be the outer pipe sections.

REFERENCES:
patent: 1770180 (1930-07-01), Mitchel
patent: 1847814 (1932-03-01), Byrne
patent: 2348477 (1944-05-01), Jenkins
patent: 2662555 (1953-12-01), Hirsh
patent: 3352120 (1967-11-01), Pelzer
patent: 3825037 (1974-07-01), Keyser
patent: 4552485 (1985-11-01), Hammer

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