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. 14, 1995
Filed:
Jul. 16, 1993
Mujibar M Rahman, Columbia, SC (US);
Grant M Davidson, Columbia, SC (US);
John C Smith, Columbia, SC (US);
Pirelli Cable Corporation, Lexington, SC (US);
Abstract
An optical fiber cable which is flame resistant and suitable for both indoor and outdoor use, which includes a central strength member, a fluid impervious tube wound around the strength member, a plurality of optical fibers loosely received in the tube, a sheath of plastic material encircling the tube and the central member, a thermal barrier layer intermediate the tube and the sheath and encircling the tube and the central member to protect the elements inwardly of the heat barrier from heat and flame external to the barrier layer and a water blocking material in any otherwise empty spaces within the tube and between the barrier layer and the tube.