Title:
FOAM-INSULATED ELECTRIC WIRE, COMMUNICATION CABLE, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2024/075795
Kind Code:
A1
Abstract:
This foam-insulated electric wire (10) comprises a conductor (12), and a cover layer that covers the conductor, said cover layer comprising one or a plurality of layers, at least one layer of the cover layer being a foamed cover layer (14) that comprises a resin composition that is formed by foam extrusion molding and includes a polypropylene resin. The average cell diameter of the foamed cover layer (14) is 30 μm or less in the cross-sectional direction and 60 μm or less in the longitudinal direction, and the foaming rate of the foamed cover layer (14) is 25–55% inclusive. The arithmetic mean height in the surface of the foam-insulated electric wire (10) is 20 μm or less.
Inventors:
TASHIRO KOSUKE (JP)
YAMADA MAKI (JP)
YAMADA MAKI (JP)
Application Number:
PCT/JP2023/036283
Publication Date:
April 11, 2024
Filing Date:
October 04, 2023
Export Citation:
Assignee:
YAZAKI CORP (JP)
International Classes:
H01B7/02; H01B13/14
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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