Patent ID: 6238757
Filing Date: 2001-05-29
Classification: B29C,B29K,B32B,C08J,Y10T

Abstract:
An improved method for the manufacture of composite tubes comprising the steps of:obtaining an inner liner tube, the inner liner tube comprising a liner material selected from the group consisting of PVC, ultra pure PVC, CPVC, PPO, and PVDF;wrapping the inner liner tube with a reinforcing material to form a reinforcing layer of predetermined thickness, the reinforcing material being impregnated with a photo-polymerizable resin, the photo-polymerizable resin comprising between about 20% and about 30% of the reinforcing layer, to form a reinforced tube;curing the reinforcing layer by exposure to UV radiation for a predetermined curing time at a temperature between about 20.degree. C. and about 60.degree. C. to form a composite tube.