发明名称 |
INNERDUCT |
摘要 |
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. |
申请公布号 |
US2015075669(A1) |
申请公布日期 |
2015.03.19 |
申请号 |
US201314027380 |
申请日期 |
2013.09.16 |
申请人 |
CHANGZHOU NANBO COMPOSITE MATERIA CO., LTD. |
发明人 |
Zhang Guoping;Zhang Yu |
分类号 |
D03D3/02;H01B17/26 |
主分类号 |
D03D3/02 |
代理机构 |
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代理人 |
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主权项 |
1. 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; the elongated enclosure has a 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. |
地址 |
Changzhou CN |