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:
Sep. 01, 1987
Filed:
May. 24, 1985
Elio Occhini, Milan, IT;
Giuseppe Bianchi, Milan, IT;
Societa Cavi Pirelli, S.p.A., Milan, IT;
Abstract
An underwater optical fiber cable for laying at great depths in which an optical fiber core containing a plurality of optical fibers is protected by a peripherally segmented metal tube, each metal segment, in cross-section, having the shape of a sector of an annular, which is surrounded by at least one layer of elongated metal elements wound helicoidally around the tube, each element having radially extending sides which have radial lengths less than the peripheral lengths of the peripheral surfaces of the element. The layer or layers are surrounded by a watertight, conductive metal sheath and preferably, the sheath is surrounded by a plastic sheath.