Zinc dust primer systems for metal sheets deformable by noncutti

Details Zinc dust primer systems for metal sheets deformable by noncutti Zinc dust primer systems for metal sheets deformable by noncutti

1974-10-23

1976-04-06

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 615Z, 148 62, 148 315, 427306, 72 47, C23F 708, C23F 726, C23C 1700

Patent

active

039486869

ABSTRACT:
The invention relates to a zinc dust primer system which renders possible a mass production working of metal sheets by noncutting processes. The said primer system consists of a lower or bottom layer containing the actual zinc dust primer, and a covering layer containing a substance promoting sliding and a binder. A suitable substance promoting sliding is, in particular, graphite. The system of the invention is especially applicable in the automobile, shipbuilding and packing industries and in the construction of steel furniture. It is of special interest in the case of the coil-coating process.

REFERENCES:
patent: 2436420 (1948-02-01), Clayton
patent: 2703768 (1955-03-01), Hall
patent: 2798509 (1951-07-01), Bergquist
patent: 3687738 (1972-08-01), Malkin

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