Heating cable assembly and connector for railroad switch heating

Details Heating cable assembly and connector for railroad switch heating Heating cable assembly and connector for railroad switch heating

1998-03-23

1999-08-24

Le, Mark T.

Railway switches and signals

Switches

Snow protected

219541, E01B 700

Patent

active

059414820

ABSTRACT:
A heating cable assembly includes a connector having a sleeve, and a heat-absorbing electrically conductive core member within said sleeve. The assembly also includes a heating cable having an electrical resistance heating wire extending from said core member out a first end of the sleeve, and a water-proof, heat conductive, spirally fluted tube encasing said heating cable. According to one embodiment, the connector further includes an electrically conductive expansion joint extending from said core member opposite said heating wire. According to an additional embodiment, the assembly includes a weld connecting said spirally fluted tube to said first end of said sleeve.

REFERENCES:
patent: Re31081 (1982-11-01), Keep, Jr.
patent: 4388523 (1983-06-01), Keep, Jr. et al.
patent: 4391425 (1983-07-01), Keep, Jr.
patent: 5156135 (1992-10-01), Snyder

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