Method for cementitious coating of pipe and forms for use therew

Details Method for cementitious coating of pipe and forms for use therew Method for cementitious coating of pipe and forms for use therew

1988-01-28

1990-02-06

Corbin, David H.

Hydraulic and earth engineering

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

138 97, 405155, F16L 102, F16L 904

Patent

active

048984973

ABSTRACT:
Metal pipe sections are welded together at the job site and then progressively coated with concrete by a traveling coating machine moving along the length of the pipe. After the coating operation the pipe is supported on forms having an upper concave portion shaped to receive the curved pipe. After the coating has hardened the pipe can be removed from the forms and installed. Apertures in the forms allow fluid to drain from the coating. Curved shims containing apertures aligned with those in the forms may be used to accommodate smaller pipe diameters.

REFERENCES:
patent: 4298296 (1981-11-01), Hanson
patent: 4335752 (1982-06-01), Sumner
patent: 4345854 (1982-08-01), Valantin

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