Title:
COMMUNICATION ELECTRIC WIRE
Document Type and Number:
Japanese Patent JP2023141855
Kind Code:
A
Abstract:
To provide a communication electric wire less likely to be affected by communication properties even when a load is applied.SOLUTION: A communication electric wire 1 includes: a signal line 4 including a conductor 2 and an insulation coating 3 that covers an outer periphery of the conductor 2; and a sheath 7 that covers an outer periphery of the signal line 4. The sheath 7 includes a foam layer 72 having a foam structure, and an outer layer 73 which is disposed in contact with the foam layer 72 and covers an outer periphery of the foam layer 72 and which has a lower expansion ratio than the foam layer 72. Melt tension of a constituent material of the foam layer 72 at 220°C is 5-15 mN.SELECTED DRAWING: Figure 1
Inventors:
YASUYOSHI YUTA
Application Number:
JP2022048391A
Publication Date:
October 05, 2023
Filing Date:
March 24, 2022
Export Citation:
Assignee:
AUTO NETWORK GIJUTSU KENKYUSHO KK
SUMITOMO WIRING SYSTEMS
SUMITOMO ELECTRIC INDUSTRIES
SUMITOMO WIRING SYSTEMS
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
H01B7/02; H01B11/00
Attorney, Agent or Firm:
Patent Attorney Corporation Ueno Patent Office