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:
Dec. 19, 2000
Filed:
Jul. 23, 1998
Luca Castellani, Corsico, IT;
Eduardo Redondo Grizante, Monza, IT;
Antonio Zaopo, Milan, IT;
Enrico Albizzati, Arona, IT;
Pirelli Cavi e Sistemi S.p.A., Milan, IT;
Abstract
A cable, in particular for power transmission, for telecommunications or for data transmission, or also combined power/telecommunications cables, wherein at least one coating layer consists of a recyclable material which is halogen-free and has superior mechanical and electrical properties. This material consists of a polymer mixture comprising: (a) a crystalline propylene homopolymer or copolymer; and (b) an elastomeric copolymer of ethylene with at least one alpha-olefin having from 3 to 12 carbon atoms, and optionally with a diene; the said copolymer (b) being characterized by a 200% tension set value (measured at 20.degree. C. for 1 minute according to ASTM standard D 412) lower than 30%.