Title:
FIREPROOF ELECTRIC WIRE AND MANUFACTURE THEREOF
Document Type and Number:
Japanese Patent JPH1145623
Kind Code:
A
Abstract:
To provide a sufficiently flexible fire resistant wire keeping an excellent withstand voltage characteristics by using a twisted wire conductor in the same manner as by using a single wire conductor.
This fire resistance wire comprises, each on a linear conductor, power mica, especially a fire resistance rubber layer 3a made of silicone rubber filled with powder mica of grain size 50 to 2,500 μm, a mica tape layer 3b made by winding a tape on which flake mica is adhered on a reinforcement base material on the fire resistance rubber layer, an insulation layer 4 made by synthetic resin, and an additionally a sheath 5 is provided as required.
Inventors:
KASAHARA HIDEO
KAWAI TAMIO
KAWAI TAMIO
Application Number:
JP20005297A
Publication Date:
February 16, 1999
Filing Date:
July 25, 1997
Export Citation:
Assignee:
YAZAKI CORP
International Classes:
H01B3/04; H01B3/46; H01B7/295; (IPC1-7): H01B7/34; H01B3/04; H01B3/46
Domestic Patent References:
| JPS551119A | 1980-01-07 |
Attorney, Agent or Firm:
Hideo Takino (1 outside)