US 12,469,619 B2
Rectangular cross-section multi-core insulated wire, and method for manufacturing same
Kazutaka Funada, Ueda (JP)
Assigned to TOTOKU MAKISEN CO., LTD., Ueda (JP)
Appl. No. 18/282,632
Filed by TOTOKU MAKISEN CO., LTD., Ueda (JP)
PCT Filed Jun. 13, 2022, PCT No. PCT/JP2022/023588
§ 371(c)(1), (2) Date Sep. 18, 2023,
PCT Pub. No. WO2023/276629, PCT Pub. Date Jan. 5, 2023.
Claims priority of application No. 2021-107425 (JP), filed on Jun. 29, 2021; and application No. 2022-028115 (JP), filed on Feb. 25, 2022.
Prior Publication US 2024/0186033 A1, Jun. 6, 2024
Int. Cl. H01B 7/02 (2006.01); H01B 1/02 (2006.01); H01B 3/30 (2006.01); H01B 13/02 (2006.01); H01B 13/06 (2006.01)
CPC H01B 7/02 (2013.01) [H01B 1/026 (2013.01); H01B 3/302 (2013.01); H01B 13/02 (2013.01); H01B 13/06 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A rectangular cross-section multi-core insulated wire comprising:
an assembly of wires in which insulating layers are formed on peripheries of conductors, wherein
the assembly of the wires is a composite twisted structure consisting of first twisted wires formed by twisting the wires, second twisted wires formed by twisting the first twisted wires, third twisted wires formed by twisting the second twisted wires, and fourth twisted wires formed by twisting the third twisted wires,
an insulating fiber thread is wound around a periphery,
a cross-section is formed in a rectangular shape,
a winding direction of the fiber thread is a direction opposite to a first direction,
a twisting direction of each of the first twisted wires, the second twisted wires, and the third twisted wires is in the second direction, and
a twisting direction of the fourth twisted wire is the first direction.