Selective galvanizing process using a calcium carbonate masking

Details Selective galvanizing process using a calcium carbonate masking Selective galvanizing process using a calcium carbonate masking

1982-05-06

1983-12-20

Smith, John D.

Coating processes

Nonuniform coating

Deforming the base or coating or removing a portion of the...

427282, 427300, 427310, 427321, 427433, 4273981, B05D 132

Patent

active

044217935

ABSTRACT:
This invention relates to a process of selective galvanizing of materials adapted to be galvanized by immersion in hot conditions characterized by the application on said materials, prior to immersing them into a bath of melted zinc, on those spots on which no galvanizing is desired, calcium carbonate alone, or a mixture thereof with an alkali metal chlorinated-s-triazine trione, or with an alkali metal salt of an oxygen-containing chlorine compound.

REFERENCES:
patent: 3121019 (1964-02-01), Blay
patent: 4047977 (1977-09-01), Yoshida et al.

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