Pipe coating process

B - Operations – Transporting – 05 – D

Patent

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Details

B05D 7/24 (2006.01) B05D 3/02 (2006.01) B32B 1/08 (2006.01) F16L 9/04 (2006.01) F16L 58/04 (2006.01)

Patent

CA 2329444

Resin soaked fiberglass strands are applied to abrasively cleaned steel pipe to increase the hoop stress. Steel pipe that is abrasively cleaned is preheated and a primer coat is applied. Fiberglass strands that are soaked with heated resin are then applied in a helical method to the pipe to induce an accelerated cure of the resin. Followed by a polyethylene wrap to protect the ouside of the composite. Allowing the coated pipe to be driven over a conveyor line. This process is continuous in which the steel pipe is wrapped from end to end, on pipe that is connected with a come-along (steel or plastic).

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