Method and apparatus for making an underground pipeline

Details Method and apparatus for making an underground pipeline Method and apparatus for making an underground pipeline

1980-08-18

1982-08-10

Corbin, David H.

Hydraulic and earth engineering

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

Cast in situ

405179, E02D 2910, E02F 510

Patent

active

043435734

ABSTRACT:
A method of forming an underground pipeline comprising depositing an inner component section of the pipeline on a pipe-laying apparatus and at least partially supporting the inner component section on the apparatus. The inner component section is forced from the apparatus onto an independent support, and the apparatus is advanced to receive another inner component section. After the inner component sections have been transferred to the independent supports, a formable outer component is provided at least part way around and beneath such inner component sections to form the pipeline.

REFERENCES:
patent: 2830548 (1958-04-01), McElvany
patent: 3292379 (1966-12-01), McElvany
patent: 3309799 (1967-03-01), Kinkade
patent: 3830606 (1974-08-01), Breitfuss
patent: 3906737 (1975-09-01), Brown
patent: 4087219 (1978-05-01), Breitfuss
patent: 4197033 (1980-04-01), Gendron

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