The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2010
Filed:
Dec. 29, 2002
Alessandro Dulcetti, Rome, IT;
Stefano Luperi, Rome, IT;
Gianvincenzo Salamone, Terni, IT;
Giovanni Vespasiani, Terni, IT;
Stefano Mantovani, Milan, IT;
Yean Demertzis, Milan, IT;
Alessandro Dulcetti, Rome, IT;
Stefano Luperi, Rome, IT;
Gianvincenzo Salamone, Terni, IT;
Giovanni Vespasiani, Terni, IT;
Stefano Mantovani, Milan, IT;
Yean Demertzis, Milan, IT;
Centro Sviluppo Materiali S.p.A., Rome, IT;
Thyssenkrupp Acciai Speciali Terni S.p.A., Terni, IT;
Henkel KGAA, Dusseldorf, DE;
Abstract
Environment-friendly process for descaling, pickling and finishing/passivating in a continuous, integrated and flexible manner, applicable to any type of stainless steel, regardless of its physical structure, chemical composition and nature of surface oxides to be removed, within a single plant in which the required chemical, electrochemical, mechanical and hydromechanical treatments are carried out, merely diversifying the operative conditions of each treatment according to the stainless steel type to be processed. The process and the plant according to the invention allow elevated reaction rate, excellent surface quality, low energy and chemical reagent consumption and total environmental compatibility. The figure shows the block diagram of an embodiment of the plant according to the invention.