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. 20, 2002
Filed:
Feb. 22, 2001
Applicant:
Inventors:
Franco Peruzzotti, Legnano, IT;
Valeria Garcia, Brugherio, IT;
Assignee:
Pirelli Cavi S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 1/502 ; C08L 2/306 ; H01B 9/00 ; H01B 7/28 ;
U.S. Cl.
CPC ...
B23B 1/502 ; C08L 2/306 ; H01B 9/00 ; H01B 7/28 ;
Abstract
A polymeric composition for coating electric cables for power transmission at medium/high voltage, having an improved resistance against the formation of the so-called water trees, comprises a polymeric polyolefin base including, in parts by weight to the total weight thereof, from 0.5 to 15 parts of ester groups and from 0.01 to 5 parts of epoxy groups. Electric cables according to the invention comprise at least one electrically conducting core ( ) and an insulation coating ( ) comprising the aforementioned polymeric composition.