System for fixing anodized aluminum

Details System for fixing anodized aluminum System for fixing anodized aluminum

1990-01-22

1991-11-26

Cintins, Ivars

Liquid purification or separation

Constituent mixture variation responsive

118602, 210194, 210269, B05C 1100

Patent

active

050680323

ABSTRACT:
A system for fixing anodized aluminum surfaces comprises a bath (1) of nickel fluoride solution in which the items are immersed following anodization, and a tank (2), connected with the bath by way of flow and return pipelines (4, 5) and containing a negative ion exchange resin bed charged with F-fluorine ions; the solution is circulated between bath and tank by a recycle pump (3), and the resin bed will be recharged by a regeneration device (7) whenever the fluorine ions have been totally or almost totally replaced by other negative ions.

REFERENCES:
patent: 2726968 (1955-12-01), Spaulding
patent: 3246759 (1966-04-01), Matalon
patent: 3929612 (1975-12-01), Yanagida et al.
patent: 4647347 (1987-03-01), Schoener et al.
patent: 4805553 (1989-02-01), Krulik

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