Insulated gauge rod and method of making the same

Details Insulated gauge rod and method of making the same Insulated gauge rod and method of making the same

1980-04-17

1981-11-03

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

238 53, B61K 908, E01B 3502

Patent

active

042977878

ABSTRACT:
An insulated gauge rod is disclosed which comprises a fiberglass rod secured to and extending between a pair of metal castings which are threadably mounted on the ends of metal rods which are secured to the spaced-apart railroad tracks. Each of the castings is provided with a cavity at one end thereof which receives one end of the fiberglass rod. The interior wall surface of the cavity is provided with a plurality of spaced-apart ridges defining frusto-conical shaped cavities therebetween. An epoxy material secures the fiberglass rod to the casting. The method of securing the fiberglass rod to the casting is also described.

REFERENCES:
patent: 645087 (1900-03-01), Green
patent: 1226571 (1917-05-01), Mueller
patent: 1585495 (1926-05-01), Heyl et al.
patent: 2085599 (1937-06-01), Paluch
patent: 4110650 (1978-08-01), Kemp et al.
patent: 4130926 (1978-12-01), Willem
patent: 4141554 (1979-02-01), Sherwin

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