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:
Feb. 19, 2008
Filed:
Jul. 25, 2003
Massimo Pizzorno, Milan, IT;
Alessandro Ginocchio, Milan, IT;
Giovanni Brandi, Milan, IT;
Prysmian Cavi E Sistemi Energia S.R.L., Milan, IT;
Abstract
A telecommunication optical fiber cable and in particular a reduced diameter optical cable with improved installation features for use in the end part of an access telecommunication network. The optical fiber cable has a number of optical fibers; at least a core tube containing the optical fibers; a jacket surrounding the core tube; and at least one strength rod spaced from the central axis, the cable having a twisting stiffness G*J, wherein G is the elastic shear modulus; and Jis the polar moment of inertia of a cable section, wherein the twisting stiffness G*Jis lower than or equal to 0.10 Nm, preferably lower than or equal to 0.05 Nm, and more preferably lower than or equal to 0.02 Nm. The cable is profitably installable by a blown method.