Loading patent…
AssigneeRailtech International
InventorsJean-Jacques Thuru, Lionel Winiar, Jean-Pierre Colliaut
Estimating the term…
The invention concerns a method for the aluminothermic welding of rails, comprising the steps of: triggering an aluminothermic reaction in a crucible (2), casting the metal derived from said reaction into the mould (1), so as to fill the moulding cavity starting from the foot of the rail, after filling of the moulding cavity, triggering a second aluminothermic reaction above the rail head, and casting the metal derived from said reaction into said moulding cavity in the region of the rail head. The invention also concerns a mould (1) adapted to fit over the two rail ends to form a moulding cavity (10), comprising a crucible (4) arranged above the region of the rail head so that it is fed with molten metal from the moulding cavity (10) via a secondary channel (42).
A method for the aluminothermic welding of rails, wherein two rail ends to be welded are surrounded by a welding mould defining a moulding cavity, comprising the steps of:
A mould for the aluminothermic welding of rails, adapted to fit over the two rail ends so as to form a moulding cavity, comprising a so-called secondary crucible arranged above the region of the rail head so as to be fed with molten metal from the moulding cavity via a secondary channel.
A device for the aluminothermic welding of rails, comprising
Dependencies are inferred from the claim text.