Propulsion process of buried pipe

Details Propulsion process of buried pipe Propulsion process of buried pipe

1992-05-26

1992-12-08

Reese, Randolph A.

Hydraulic and earth engineering

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

Repair, replacement, or improvement

405142, 405146, 175 62, E21D 1100, F16L 700

Patent

active

051692643

ABSTRACT:
In a propulsion process of buried pipe, an endless pipe to be buried is formed by sequentially curving a pipe material of long hoop shape made of a plastic material, and this endless pipe is successively inserted and propelled into the burying hole while forming the burying hole by propelling a leader in the ground.

REFERENCES:
patent: 3250077 (1966-05-01), Ede
patent: 3251332 (1966-05-01), Vassar
patent: 3402781 (1968-09-01), Sandberg
patent: 3762174 (1973-10-01), Fiske et al.
patent: 3935910 (1976-03-01), Gaudy et al.
patent: 4024721 (1977-05-01), Takada et al.
patent: 4285613 (1981-08-01), Takagishi et al.
patent: 4576515 (1986-03-01), Morimoto et al.
patent: 4936709 (1990-06-01), Kimura

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