Small-sized gas pressure welding machine for rails with two sepa

Details Small-sized gas pressure welding machine for rails with two sepa Small-sized gas pressure welding machine for rails with two sepa

1987-10-19

1988-08-09

Godici, Nicholas P.

Metal fusion bonding

With means to juxtapose and bond plural workpieces

With means to treat workpieces

228 13, 228160, 29 34R, 72340, B23K 2000, B23K 2026

Patent

active

047622636

ABSTRACT:
A small-sized gas pressure welding machine for rails comprises a pressure application unit and an excess metal punching unit. The pressure application unit includes a positioning bed disposed along the rail feet of rails to be welded together, a movable pressure application clamp mechanism provided at one end of the positioning bed and a stationary pressure application clamp mechanism provided at the other end of the positioning bed. The movable clamp mechanism clamps the rail foot of one of the rails and provides an abutting pressure. The stationary clamp mechanism clamps the rail foot of the other rail and receives the abutting pressure. The excess metal punching unit is mounted on the other end of the positioning bed to be fitted on the other rail from the railhead thereof and is capable of being mechanically and detachably coupled to the pressure application unit and is provided with an upper excess metal punching mechanism for punching excess metal off the railheads, rail webs and rail foot upper surfaces of abutted end portions of the rails in one direction. On the other hand, the movable pressure application clamp mechanism is provided with a lower excess metal punching mechanism for punching excess metal off the rail foot lower surfaces of the rails in the other direction opposite to the aforementioned one direction.

REFERENCES:
patent: 4556164 (1985-12-01), Oishibashi et al.
patent: 4576324 (1986-03-01), Takimoto et al.

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