Marking metal

Coating processes – Nonuniform coating – Mask or stencil utilized

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Details

101114, 101129, 118301, 134 6, 134 22R, 134 24, 134 37, 427287, 427427, B05D 132

Patent

active

040668070

ABSTRACT:
In the marking of metal, for example, steel billets, by spraying aluminum through a stencil, the sprayed metal tends to build up on the stencil and render it inoperative. To reduce the metal build-up, a release compound is applied to the stencil surface and the surface is cleaned periodically during use. The release compound can be sprayed-on and cleaning can be effected by a rotary brush, both movable with the metal spray nozzle.

REFERENCES:
patent: 537923 (1895-04-01), Hildyard
patent: 2241051 (1941-05-01), Berger
patent: 3088859 (1963-05-01), Smith
patent: 3143960 (1964-08-01), Naczynski
patent: 3251341 (1966-05-01), Eburn et al.
patent: 3399649 (1968-09-01), Kidgell et al.
patent: 3498260 (1970-03-01), De Jean et al.
patent: 3741157 (1973-06-01), Krause

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