Method of making a railroad track insulator unit

Details Method of making a railroad track insulator unit Method of making a railroad track insulator unit

1985-12-05

1987-07-14

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29453, 294695, 238349, B23P 1102

Patent

active

046792937

ABSTRACT:
A railroad track insulator, part therefor and methods of making the same are provided, the railroad track insulator being adapted to hold a railroad rail against its foundation and comprising the combination of a metallic part and a polymeric part secured together so that the polymeric part is adapted to engage the rail. The metallic part has an open ended recess in one of the opposed sides thereof and is defined by a peripheral flange arrangement thereof. The polymeric part has a peripheral edge and is disposed and secured in the recess so as to have the peripheral edge thereof supported by the peripheral flange arrangement of the metallic part.

REFERENCES:
patent: 2009309 (1935-07-01), Davies et al.
patent: 3460756 (1969-08-01), Sanson
patent: 4030185 (1977-06-01), Hahm et al.
patent: 4274582 (1981-06-01), Fee
patent: 4437916 (1984-03-01), Adell

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