20150075669 | INNERDUCT - A seamless and integrated textile innerduct comprising: a warp comprised of polyester monofilament yarns and a weft comprised of polyester multifilament yarns, wherein the warp has 70-85 ends per inch, the weft has 14-25 ends per inch, the warp and weft are integrated seamlessly to form an elongated enclosure having breaking strength of at least 1000 pounds, a vertical retraction rate of less than 3% at 150° C. for a duration of one hour, a longitudinal shrinkage rate of less than 3% at −80° C.; a pulling strip is placed inside the enclosure; the pulling strip is made of polyester multifilament yarns; and the inner duct is flexible and stretchable longitudinally. | 03-19-2015 |