US 12,131,840 B2
Electrically insulated cable
Shigeyuki Tanaka, Osaka (JP); Yutaka Matsumura, Osaka (JP); Taro Fujita, Osaka (JP); Takumi Ooshima, Kanuma (JP); and Jo Yagisawa, Kanuma (JP)
Assigned to SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Appl. No. 17/765,186
Filed by SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
PCT Filed Oct. 30, 2019, PCT No. PCT/JP2019/042626
§ 371(c)(1), (2) Date Mar. 30, 2022,
PCT Pub. No. WO2021/084656, PCT Pub. Date May 6, 2021.
Prior Publication US 2023/0034227 A1, Feb. 2, 2023
Int. Cl. H01B 3/44 (2006.01); B60R 16/03 (2006.01); B60T 17/00 (2006.01); H01B 7/00 (2006.01); H01B 7/18 (2006.01); H01B 7/295 (2006.01)
CPC H01B 3/441 (2013.01) [B60R 16/03 (2013.01); B60T 17/00 (2013.01); H01B 7/0009 (2013.01); H01B 7/18 (2013.01); H01B 7/295 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An electrically insulated cable comprising:
a core electric wire; and
a covering layer covering the core electric wire;
wherein:
the core electric wire includes a plurality of insulated wires;
the insulated wires each include a conductor and an insulating layer covering the conductor;
the covering layer contains a crosslinked polyethylene-based resin and a flame retardant in the front surface side thereof, and
the covering layer has a tensile strength of no less than 8 MPa and no more than 20 MPa.
 
2. An electrically insulated cable comprising:
a core electric wire; and
a covering layer covering the core electric wire;
wherein:
the core electric wire includes a plurality of insulated wires;
the insulated wires each include a conductor and an insulating layer covering the conductor;
the covering layer contains a crosslinked polyethylene-based resin and a flame retardant in the front surface side thereof, and
the covering layer has a ratio of the elastic modulus at 150° C. to the elastic modulus at 200° C. of 1.5 or less.