Method and apparatus for producing underground pipes

Details Method and apparatus for producing underground pipes Method and apparatus for producing underground pipes

1985-02-28

1987-03-03

Makay, Albert J.

Hydraulic and earth engineering

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

Repair, replacement, or improvement

138155, 138157, 138170, 138DIG1, 405155, E02D 2910, F16L 102

Patent

active

046472568

ABSTRACT:
A method of producing underground pipes, with pipe sections being pressed ahead into the ground. For each pipe section, at least two partial pipe shells are used which are separated from one another in the longitudinal direction, and are joined about supply lines which are guided through the pipe. The joining process is effected before the pipe section is pressed into the ground. With this method, the supply lines do not have to be interrupted when a new pipe section is introduced. The apparatus for carrying out the method is provided with at least one joining station for joining the partial pipe shells in a precisely fitting manner, and a combining station for interconnecting the partial pipe shells.

REFERENCES:
patent: 2005699 (1935-06-01), Gottwald
patent: 3107741 (1963-10-01), Adams et al.
patent: 4075300 (1978-02-01), Keller
patent: 4094152 (1978-06-01), Jutte
patent: 4200480 (1980-04-01), Wolinski et al.
patent: 4314775 (1982-02-01), Johnson
patent: 4343573 (1982-08-01), Breitfuss
patent: 4400108 (1983-08-01), Freeman
patent: 4534676 (1985-08-01), Saito
patent: 4564314 (1986-01-01), Gallagher
patent: 4571122 (1986-02-01), Yamamoto et al.

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