Rail welderhead shear apparatus

Details Rail welderhead shear apparatus Rail welderhead shear apparatus

2005-05-03

2005-05-03

Morano, S. Joseph (Department: 3617)

Railways

Track layers

Joint welders

C219S054000

Reexamination Certificate

active

06886470

ABSTRACT:
A flash butt rail welding welderhead combines in a single unit, the ability for the three functions of rail pulling, flash butt forging and maintaining the “after forged” displacement without any change in platen position such that shearing may be accomplished in three stages, a single stage, multiple stages or a progressive stage, all while maintaining clamping and stretching force on the rails.

REFERENCES:
patent: 4147913 (1979-04-01), Clews et al.
patent: 4272664 (1981-06-01), Theurer
patent: 4983801 (1991-01-01), Theurer et al.
patent: 6396020 (2002-05-01), Thelen et al.

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