Pipes and pipe coatings

Details Pipes and pipe coatings Pipes and pipe coatings

1981-09-15

1984-03-20

Marcus, Stephen

Pipes and tubular conduits

Distinct layers

Bonded to each other

138146, 138150, 156187, 405158, F16L 916

Patent

active

044374950

ABSTRACT:
A weight-coated pipe has an innermost anti-corrosion layer, a helically-wound covering of a cementitious sheeting having a reinforcement of organic fibrillated film network arranged as a plurality of superposed layers. This covering is applied in a post-cracked condition so that constituent parts of the next layer of concrete penetrate the micro-cracks and form a good bond. An outer layer of helically-wound sheeting similar to the first-mentioned covering serves to protect the weight-coating of concrete from impact damage.

REFERENCES:
patent: 1961974 (1934-06-01), Kraner
patent: 2696353 (1954-12-01), Vessels
patent: 3599435 (1971-08-01), Kolb
patent: 4297409 (1981-10-01), Hannaht
patent: 4393901 (1983-07-01), Beck
patent: 4395159 (1983-07-01), Karuks et al.

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