ES369023A3 - Procedure for the treatment of aluminum or aluminum alloy sheets. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the treatment of aluminum or aluminum alloy sheets. (Machine-translation by Google Translate, not legally binding)
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JESTL
POSTRIHAC
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JESTL
POSTRIHAC
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Priority to ES369023ApriorityCriticalpatent/ES369023A3/en
Publication of ES369023A3publicationCriticalpatent/ES369023A3/en
Process for the treatment of aluminum sheets or aluminum alloys, characterized by consisting of four phases comprising: (I) first pretreating the sheet with a solution of the steeping acid; (II) then electrolytically roughening, uniformly, the sheet with alternating current in an electrolyte containing nitric acid and residual sulfite liquor together with an aromatic aldehyde or an aromatic ketone or its derivatives, or pine needles oil or mixtures thereof; (III) anodizing the plate in a continuous process electrolyte; and subsequently (IV) treating with an aqueous rinse bath, containing residual sulphite liquor together with an aromatic aldehyde or with an aromatic ketone or its derivatives, or pine needle oil or mixtures thereof, and drying. (Machine-translation by Google Translate, not legally binding)
ES369023A1969-07-011969-07-01Procedure for the treatment of aluminum or aluminum alloy sheets. (Machine-translation by Google Translate, not legally binding)
ExpiredES369023A3
(en)
Improved procedure for electrolytic coating and coloring of aluminum pieces and their alloys. (Machine-translation by Google Translate, not legally binding)