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. 02, 2003
Filed:
Feb. 22, 2002
Claudio Bosisio, Brembate, IT;
Antonio Zaopo, Milan, IT;
Mauro Maritano, Monza, IT;
Antonio Campana, Milan, IT;
Pirelli Cavi e Sistemi S.p.A., Milan, IT;
Abstract
An optical fiber cable having improved compatibility with a waterblocking filling composition is provided. In particular, the optical fiber cable has a cable component, wherein an optical fiber can be housed, such as a buffer tube or a slotted core, made of a polyolefinic material having high compatibility with a waterblocking filler disposed therein. The cable component is manufactured by employing a suitable polyolefinic material, polyethylene in particular, having a density in the finished component of at least 0.940 g/ml, preferably of about 0.942 g/ml or higher, up to about, e.g., 0.975. The material preferably has a melt flow index (MFI) at 190 ° C. and 2.16 kg lower than about 3 and a shear sensitivity of the same, a shear sensitivity higher than about 40.