Characters to a hot steel body
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United States of America Patent
Stats
-
Sep 3, 1985
Grant Date -
N/A
app pub date -
Nov 30, 1983
filing date -
Nov 30, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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