US 12,146,275 B2
Long-service-life PWS cable with replaceable sleeve and shielding gas
Hong Zhang, Wuhan (CN); Wei Wang, Wuhan (CN); Zhiyong Shi, Wuhan (CN); Chaoran He, Wuhan (CN); Yongtao Zhang, Wuhan (CN); Shaofang Li, Wuhan (CN); Guotai Yan, Wuhan (CN); Xianpeng Hu, Wuhan (CN); and Xinyue Dou, Wuhan (CN)
Assigned to CCCC SECOND HARBOR ENGINEERING COMPANY LTD., Wuhan (CN); and CCCC WUHAN HARBOR ENGINEERING DESIGN AND RESEARCH INSTITUTE CO., LTD., Wuhan (CN)
Appl. No. 17/593,756
Filed by CCCC SECOND HARBOR ENGINEERING COMPANY LTD., Wuhan (CN); and CCCC WUHAN HARBOR ENGINEERING DESIGN AND RESEARCH INSTITUTE CO., LTD., Wuhan (CN)
PCT Filed Nov. 28, 2019, PCT No. PCT/CN2019/121526
§ 371(c)(1), (2) Date Sep. 23, 2021,
PCT Pub. No. WO2020/199625, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 201910256311.7 (CN), filed on Apr. 1, 2019; and application No. 201920427558.6 (CN), filed on Apr. 1, 2019.
Prior Publication US 2022/0127803 A1, Apr. 28, 2022
Int. Cl. E01D 19/16 (2006.01); E01D 11/04 (2006.01); E01D 19/14 (2006.01); E01D 22/00 (2006.01)
CPC E01D 19/16 (2013.01) [E01D 11/04 (2013.01); E01D 19/14 (2013.01); E01D 22/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A long-service-life PWS cable with a replaceable sleeve and shielding gas, which consists of wire strands (1), wrapping tape (2) covering the wire strands (1), and sheath (3) arranged outside the wire strands (1), is characterized in that the sheath (3) is covered with an outer protective sleeve (4), and shielding gas (5) is filled between the wires in the wire strands (1); and
the outer surface of the wire constituting the wire strands (1) is provided with a protective layer (6), and the shielding gas (5) is filled between the wires in the wire strands (1), and the sheath (3) is a permanent structure, and the outer protective sleeve (4) is a replaceable structure.