Method for producing composite pipes

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

156173, 156446, 4274071, 427428, 118414, 118DIG11, 264173, 425141, B65H 8100, B65C 312, B05C 302, B29F 310

Patent

active

044128827

ABSTRACT:
A novel method for producing a composite pipe having a desired wall thickness by using an endless steel belt as a mold which moves axially while rotating in the circumferential direction of a mandrel. In this method, a thickness regulating device spaced a predetermined distance from the outside surface of the endless steel belt is used to adjust the wall thickness accurately to the desired value. Examples of the thickness regulating device are a cylinder roll, a taper roll, and a conveyor belt.

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patent: 4081302 (1978-03-01), Drostholm et al.
patent: 4110149 (1978-08-01), Poulsen

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