Powder welding of two members

Details Powder welding of two members Powder welding of two members

1985-04-24

1987-02-24

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

2191171, 219 7802, 219 53, B23K 1132

Patent

active

046458980

ABSTRACT:
Method and apparatus for joining two elongated members, such as rails, together by holding the rail ends in fixed relationship respective to one another while ramming powder metal between the confronting ends of the rails. Current flow occurs across the confronting faces of the rail and across the compacted powder, thereby elevating the temperature of the marginal rail ends and the compacted metal powder. The rams forge the hot metal powder and hot rail ends into a continuous mass. The method and apparatus can be used for building railroads, repairing defective rail lengths, and welding other elongated members together.

REFERENCES:
patent: 933456 (1909-09-01), Jacobs
patent: 1787056 (1930-12-01), Spilsbury
patent: 2355954 (1944-08-01), Cremer
patent: 3623207 (1971-11-01), Zoso
patent: 3656946 (1972-04-01), Inque et al.
patent: 4215260 (1980-07-01), Zollinger
patent: 4414454 (1983-11-01), Zollinger
Plasser, Franz, "Flash-Butt Welding Using Mobile On-Track Machine" Railway Gazette International, Oct. 1970, pp. 388-391.

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