Invention Application
US20080037940A1 Tube for Air Blown Installation and Tube Cable Using the Same
审中-公开
用于吹气安装的管和使用它的管电缆
- Patent Title: Tube for Air Blown Installation and Tube Cable Using the Same
- Patent Title (中): 用于吹气安装的管和使用它的管电缆
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Application No.: US11661769Application Date: 2005-06-30
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Publication No.: US20080037940A1Publication Date: 2008-02-14
- Inventor: Chan-Yong Park
- Applicant: Chan-Yong Park
- Applicant Address: KR Gangnam-gu, Seoul 135-090
- Assignee: LS Cable Ltd.
- Current Assignee: LS Cable Ltd.
- Current Assignee Address: KR Gangnam-gu, Seoul 135-090
- Priority: KR10-2004-0069648 20040901
- International Application: PCT/KR05/02072 WO 20050630
- Main IPC: G02B6/44
- IPC: G02B6/44 ; F16L11/10

Abstract:
Disclosed is a tube for air blown installation and a tube cable using the same. The tube includes an outer layer made of polyethylene; and an inner layer co-extruded on an inner side of the outer layer and made of a mixture of polyethylene and siloxane, wherein the inner layer has a static coefficient of friction of 0.05 to 0.20, wherein the inner and outer layers respectively have a thickness equal to or less than 0.8 mm, and wherein no damage is caused in the tube having a length of 500 m when a pressure of 10 bars is applied thereto for 24 hours. The tube cable includes a sheath and a plurality of tube bundles. Each tube bundle is substantially identical to the above tube.
Information query