Patent ID: 9527267
Filing Date: 2016-12-27
CPC Classification: A01G,B29C,B29L,B32B

Claim Text:
1. A delivery tube, comprising: a substrate, a portion of the substrate being treated with a hydrophilic polymer, the substrate including nonwoven polyethylene; and a backer welded to the substrate at a first weld area and a second weld area, the first and second weld areas extending over the functional length of the delivery tube, the backer including nonwoven polyethylene, the delivery tube being configured such that the substrate and the backer are each disposed along a functional length of the delivery tube, a lumen of the delivery tube being formed between at least a portion of the substrate and at least a portion of the backer, the portion of the substrate being treated with the hydrophilic polymer excluding the first and second weld areas.