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:
Aug. 08, 2006
Filed:
Dec. 15, 2000
Sergio Belli, Leghorn, IT;
Alberto Bareggi, Milan, IT;
Paolo Veggetti, Monza, IT;
Luca Castellani, Corsica, IT;
Giovanni Pozzati, Olgiate Olona, IT;
Luca Balconi, Bresso, IT;
Sergio Belli, Leghorn, IT;
Alberto Bareggi, Milan, IT;
Paolo Veggetti, Monza, IT;
Luca Castellani, Corsica, IT;
Giovanni Pozzati, Olgiate Olona, IT;
Luca Balconi, Bresso, IT;
Pirelli Cavi e Sistemi S.p.A., Milan, IT;
Abstract
Electric cable (), in particular for power transmission or distribution at medium or high voltage, comprising a metallic screen () and a water swellable layer () capable of forming a barrier to the water penetration provided in a position radially external to said metallic screen (). Said water swellable layer () is made of an expanded polymeric material in which a water swellable material preferably in the form of powder, is embedded.