Method and apparatus for producing composite pipes

B - Operations – Transporting – 65 – H

Patent

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25/19, 18/933, 1

B65H 81/08 (2006.01) B05D 1/40 (2006.01) F16L 9/12 (2006.01) F16L 9/16 (2006.01)

Patent

CA 1134581

Abstrast of the Disclosure A novel method for producing a composite pipe having a desired wall thickness by using an ??dless steel b?lt as a mold which moves axially while rotating in the cir???foreatial dir??ti?? of a mandrel. In this method, a thickness regulative device spaced a predetermined distance from the ??tside surface of the ??dless steel b?lt is ???d to adjust the wall thickness accurately to the desired value. ?????l?s of the thickness regulative device are a cylinder roll, a taper roll, and a ???v?y?r b?lt.

319981

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