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)

Info

Publication number
ES369023A3
ES369023A3 ES369023A ES369023A ES369023A3 ES 369023 A3 ES369023 A3 ES 369023A3 ES 369023 A ES369023 A ES 369023A ES 369023 A ES369023 A ES 369023A ES 369023 A3 ES369023 A3 ES 369023A3
Authority
ES
Spain
Prior art keywords
aluminum
translation
treatment
machine
legally binding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES369023A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JESTL
POSTRIHAC
Original Assignee
JESTL
POSTRIHAC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JESTL, POSTRIHAC filed Critical JESTL
Priority to ES369023A priority Critical patent/ES369023A3/en
Publication of ES369023A3 publication Critical patent/ES369023A3/en
Expired legal-status Critical Current

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Abstract

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)
ES369023A 1969-07-01 1969-07-01 Procedure for the treatment of aluminum or aluminum alloy sheets. (Machine-translation by Google Translate, not legally binding) Expired ES369023A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES369023A ES369023A3 (en) 1969-07-01 1969-07-01 Procedure for the treatment of aluminum or aluminum alloy sheets. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES369023A ES369023A3 (en) 1969-07-01 1969-07-01 Procedure for the treatment of aluminum or aluminum alloy sheets. (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES369023A3 true ES369023A3 (en) 1971-05-16

Family

ID=8453269

Family Applications (1)

Application Number Title Priority Date Filing Date
ES369023A Expired ES369023A3 (en) 1969-07-01 1969-07-01 Procedure for the treatment of aluminum or aluminum alloy sheets. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES369023A3 (en)

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