Weld through primer

Details Weld through primer Weld through primer

1995-08-30

1997-01-14

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Alkali metal silicate containing

106 1405, 106 1411, 106 1444, 1062871, 148 23, 148 24, B23K 3522, C09D 104, C09D 500

Patent

active

055934927

ABSTRACT:
A corrosion inhibiting primer for metal pieces which need not be removed prior to welding the pieces includes an alkali metal silicate binder having a silicone wetting agent incorporated therewith, a powder metal and an oxygen scavenger. The primer can be sprayed onto the metal. Zero porosity welds can be achieved up to speeds of about 750 mms/sec. by welding through the primer.

REFERENCES:
patent: 3493401 (1970-02-01), Schutt et al.
patent: 3549395 (1970-12-01), Sears et al.
patent: 3620784 (1971-11-01), Schutt
patent: 3721574 (1973-03-01), Schneider et al.
patent: 4162169 (1979-07-01), Schutt

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