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:
Jul. 09, 1996
Filed:
Mar. 29, 1995
Carlo Traini, Milan, IT;
Giovanni Meneghini, Milan, IT;
De Nora Permelec S.p.A., Milan, IT;
Abstract
A chlor-alkali diaphragm electrolysis cell comprising pairs of interleaved cathodes (C) and anodes (B), said cathodes having surfaces with openings and are provided with porous corrosion resistant diaphragms, said cell further comprising feed brine inlets and outlets (H, I, L) for the removal of produced chlorine, hydrogen and caustic, said anodes (B) are expanded by internal extenders (F) and have electrode surfaces with openings for releasing produced gaseous chlorine, characterized in that each of said expanded anodes (B) comprises a plurality of pressing means (O,Q) made of corrosion resistant material having elastic properties to maintain the electrode surfaces of the anodes against the diaphragm and said pressing means are longitudinally positioned inside the anodes having very low operating voltages.