Title:
BINDING-YARN-LAYER-FREE STRANDED OPTICAL CABLE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/253158
Kind Code:
A1
Abstract:
Provided are a binding-yarn-layer-free stranded optical cable and a manufacturing method therefor. The optical cable comprises a central reinforcing member (1), at least one first water-blocking yarn (2), a cable core (3), a water-blocking element (7) and an outer sheath (8), wherein the first water-blocking yarn (2) is wrapped around the outer surface of the central reinforcing member (1); the cable core (3) is arranged at the outer surface of the central reinforcing member (1), and the cable core (3) comprises m loose tubes (4) and n filler ropes (5), which are SZ stranded, m being greater than or equal to one, n being greater than or equal to zero, and the loose tubes (4) containing 1 to 48 optical fibers (6); the outer sheath (8) is arranged on the outer side of the cable core (3); and the water-blocking element (7) is arranged between the cable core (3) and the outer sheath (8). The binding-yarn-layer-free stranded optical cable has no binding yarns because a yarn binding process is omitted from the manufacturing process, thereby preventing the loose tubes from spreading and the outer diameter of the optical cable from being changed when the tension of the binding yarn is too small, and preventing the loose tubes from being flattened when the tension of the binding yarn is too large, resulting in the excessive transmission attenuation of the optical fiber.
Inventors:
QIAN FENG (CN)
HE MAOYOU (CN)
WANG LONG (CN)
LIU XIAOHONG (CN)
LIU XUAN (CN)
ZHANG GANG (CN)
CHEN SHOUQING (CN)
SI SHUAI (CN)
GUO KUN (CN)
HE MAOYOU (CN)
WANG LONG (CN)
LIU XIAOHONG (CN)
LIU XUAN (CN)
ZHANG GANG (CN)
CHEN SHOUQING (CN)
SI SHUAI (CN)
GUO KUN (CN)
Application Number:
PCT/CN2019/124969
Publication Date:
December 24, 2020
Filing Date:
December 13, 2019
Export Citation:
Assignee:
FIBERHOME TELECOMMUNICATION TECH CO LTD (CN)
XINJIANG FIBERHOME OPTICAL COMMUNICATIONS CO LTD (CN)
XINJIANG FIBERHOME OPTICAL COMMUNICATIONS CO LTD (CN)
International Classes:
G02B6/44
Foreign References:
| CN110333585A | 2019-10-15 | |||
| CN107870402A | 2018-04-03 | |||
| CN107870402A | 2018-04-03 | |||
| CN203587863U | 2014-05-07 | |||
| EP3226047A1 | 2017-10-04 | |||
| CN102681123A | 2012-09-19 | |||
| CN109358399A | 2019-02-19 | |||
| CN104808301A | 2015-07-29 | |||
| CN202149949U | 2012-02-22 | |||
| CN106842464A | 2017-06-13 | |||
| KR20060081264A | 2006-07-12 |
Other References:
See also references of EP 3988976A4
Attorney, Agent or Firm:
WUHAN ZHIQUAN PATENT AGENT, LLP. (CN)
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