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.

Date of Patent:
Jun. 07, 2016

Filed:

Feb. 04, 2010
Applicants:

James Leonard Ryan, Denver, NC (US);

Denise Matthews, Newton, NC (US);

Brian G. Risch, Hickory, NC (US);

Frank Edwards Davidson, Granite Falls, NC (US);

Inventors:

James Leonard Ryan, Denver, NC (US);

Denise Matthews, Newton, NC (US);

Brian G. Risch, Hickory, NC (US);

Frank Edwards Davidson, Granite Falls, NC (US);

Assignee:

Draka Comteq, B.V., Amsterdam, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
G02B 6/447 (2013.01);
Abstract

Disclosed is a novel central-tube cable with high-conductivity conductors. The novel central-tube cable according to the present invention yields a fiber optic cable with a smaller diameter than found in stranded-tube-cable designs. The central-tube cable features (i) a buffer tube containing optical conductors, (ii) radial strength members, and (iii) high-conductivity conductors coated with a dielectric material, such as polypropylene. The dielectric coating helps to prevent the high-conductivity conductors from shorting.


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