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US 4,544,139 AGranted
Coated exothermic cutting electrode
AssigneeArcair Company
InventorsPaul E. Moore, Robert L. Strohl, Lawrence R. Soisson
Life of this patent
Estimating the term…
Abstract
An exothermic cutting electrode or burning bar provided with a coating containing oxidizing material, arc stabilizing material and a binder with portions of reduced coating thickness along the length of the electrode.
Claims10
In an exothermic cutting electrode of the type having a mass of metal such as a plurality of elongated rods or wires, helically wound wire or solid mass of metal with a central aperture adapted to function as as electrode the improvement comprising in combination:
- said electrode coated with a mixture containing an oxidizing material, arc stabilizing material and a binder wherein said coating is provided with a plurality of generally parallel longitudinal portions of reduced thickness said portions extending substantially the length of the coating.
A method of improving an exothermic electrode or burning bar comprising the steps of:
- coating the electrode with a mixture containing an oxidizing material, arc stabilizing material and a binder, and
- providing said coating with a plurality of generally parallel longitudinal portions of reduced thickness said portions extending substantially the length of the coating.
Dependencies are inferred from the claim text.