Patent ID: 7281547
Filing Date: 2007-10-16
Classification: B32B,F16L,Y10T

Abstract:
1. A flexible tube comprising: a first tubular structure, said first tubular structure comprising a first polymeric material having an inner circumferential surface providing a path for conveying fluids, and an outer circumferential surface; a foamed second tubular structure comprising a second polymeric material containing a plurality of reinforcement elements randomly dispersed therein, said second tubular structure having an inner circumferential surface and an outer circumferential surface, the inner circumferential surface of which is adhered to the outer circumferential surface of said first tubular structure; and a third tubular structure comprising a third polymeric material, said third tubular structure comprising a polymeric material having an inner circumferential surface and an outer circumferential surface, the inner circumferential surface of which is adhered to the outer circumferential surface of said second tubular structure.