Patent ID: 11942233
Assignee: AMERICAN FIRE WIRE, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 22:
23. A fire resistant corrugated coaxial cable apparatus comprising:
a center conductor;
a corrugated outer conductor surrounding the center conductor; and
an alkaline earth silicate (AES) wool dielectric extending between the center conductor and the outer conductor, the AES wool dielectric being substantially devoid of chemically bound or free water and being configured to propagate radio frequency (RF) signals therein, wherein the AES wool comprises fibers have a composition weight percentage of:
72%<SiO2<86%
0<MgO<10%
14%<CaO<28%
Al2O3<2%
ZrO2<3%
B2O3<5%
P2O5<5%
95%<SiO2+CaO+MgO+Al2O3+ZrO2+B2O3+P2O5.