Method and device for fabricating insulated joints for railroad

Details Method and device for fabricating insulated joints for railroad Method and device for fabricating insulated joints for railroad

1982-02-10

1984-08-14

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Electrical device making

29745, 156 82, 156 92, 156381, 156497, 156499, 238159, 238160, 238161, 238243, 432 10, 432225, H01R 4300, B23P 1900

Patent

active

044648316

ABSTRACT:
A method of fabricating an insulating joint between a pair of end abutting rail sections of a railroad track includes the suspension of a pair of opposed fishplates at the rail joint at spaced distances outwardly of the rail sides, and simultaneously heating the rail sections and the fishplates to a predetermined temperature for activating a heat-activatable adhesive provided in fabric cuffs which are disposed between the fish surfaces and the fishplates. The fishplates are shifted along guide rods of their support assemblies inwardly toward one another into place against opposed fish surfaces of the rail sections, and are thereafter bolted in place. A device for fabricating the joint includes a box-like hood on which heaters are mounted, or a shear assembly supporting the heaters and being clamped onto the rail head. The heaters may be adjusted to accommodate various rail profiles.

REFERENCES:
patent: 715813 (1902-12-01), Karns
patent: 937369 (1909-10-01), Hall
patent: 969856 (1910-09-01), Griffith
patent: 997475 (1911-07-01), Ten Eyck
patent: 2075982 (1937-04-01), George
patent: 2173618 (1939-09-01), Ahlert
patent: 2242882 (1941-05-01), George
patent: 2670136 (1954-02-01), Moses
patent: 3300197 (1967-01-01), Rutherford et al.
patent: 3837948 (1974-09-01), Nelson et al.
patent: 4292110 (1981-09-01), Marteness

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