Copper radiator for motor cars excellent in corrosion resistance

Details Copper radiator for motor cars excellent in corrosion resistance Copper radiator for motor cars excellent in corrosion resistance

1988-04-04

1990-02-06

Ramsey, Kenneth J.

Metal fusion bonding

Process

Plural joints

228199, 228202, 228219, 228220, B23K 114

Patent

active

048983187

ABSTRACT:
An improved copper radiator for motor cars comprising a plurality of tubes adapted for the flow of a heat-exchanging medium therethrough, fins bonded directly with solder to said tubes to form a copper core and wherein said core is bonded with solder to at least one seat plate, the improvement in that the surface of the fins of said copper radiator has an oxidized layer of a thickness of not more than 1200 .ANG..

REFERENCES:
patent: 2117106 (1938-05-01), Silliman
patent: 4451541 (1984-05-01), Beal
patent: 4492602 (1985-01-01), Lee et al.

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