Characters to a hot steel body

Details Characters to a hot steel body Characters to a hot steel body

1983-11-30

1985-09-03

Lawrence, Evan K.

Coating apparatus

Program, cyclic, or time control

Having prerecorded program medium

118302, 118323, 118704, B05B 300, B05B 716, B05B 1500, B05B 1510

Patent

active

045385467

ABSTRACT:
A body of steel heated to a high temperature of at least 300.degree. C., e.g. a slab coming from a hot-rolling stage, is marked with alphanumerical characters by training a jet of molten metallic material, preferably consisting at least predominantly of aluminum or copper, onto a face of that body from a nozzle which is two-dimensionally displaceable parallel to that face under the control of a programmable microprocessor. The nozzle is part of a working head to which the marking material is fed in the form of a wire whose leading end is atomized by an electric arc generated between that end and an adjoining counterelectrode. The working head is mounted on a carriage movable toward and away from the steel body to be marked.

REFERENCES:
patent: 3017119 (1962-01-01), Gibson
patent: 3606162 (1971-09-01), Lehmann
patent: 3674207 (1972-07-01), Carbonetti, Jr. et al.
patent: 4099481 (1978-07-01), Lyons
Materials Protection, vol. 8, No. 3, Mar. 1969, p. 51.

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