US 11,915,843 B2
Multicore cable
Hirotaka Kato, Tochigi (JP); Jo Yagisawa, Tochigi (JP); Takumi Ooshima, Tochigi (JP); and Takaya Kohori, Tochigi (JP)
Assigned to SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Filed by SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Filed on Jan. 10, 2023, as Appl. No. 18/152,386.
Claims priority of application No. 2022-013663 (JP), filed on Jan. 31, 2022.
Prior Publication US 2023/0245799 A1, Aug. 3, 2023
Int. Cl. H01B 11/20 (2006.01); H01B 7/18 (2006.01); H01B 7/00 (2006.01); H01B 11/00 (2006.01); H01B 9/00 (2006.01); H01B 7/08 (2006.01)
CPC H01B 7/18 (2013.01) [H01B 7/0009 (2013.01); H01B 7/0876 (2013.01); H01B 9/006 (2013.01); H01B 11/002 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A multicore cable comprising:
a plurality of covered wires having a lubricant powder provided on surfaces thereof; and
an outer sheath layer covering outer surfaces of the plurality of covered wires, wherein
the outer sheath layer is disposed so as to cover the plurality of covered wires in their entirety,
the outer surfaces of the plurality of covered wires, and the outer sheath layer, make contact with one another via the lubricant powder,
a coverage of the outer surfaces of the plurality of covered wires by the lubricant powder is greater than or equal to 15% and less than or equal to 70%, and
an adhesion per length of 50 mm between the plurality of covered wires and the outer sheath layer is greater than 25 N and less than or equal to 100 N.