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:
Aug. 03, 1982
Filed:
Aug. 10, 1979
Ulrich Oestreich, Munich, DE;
Guenter Zeidler, Unterpfaffenhofen, DE;
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
An optical cable structure for use in high-voltage environments comprised of a metal-free cable core having optical elements therein and a multi-layer sheath encasing the cable core with all the hollow spaces within the cable core and in the sheath being filled with a softened or plasticized cross-linked synthetic material selected from the group consisting of a polyurethane resin, an epoxy resin and a polyester resin and at least the outer layer of the multi-layer sheath is composed of a creep-resistant material based on a compound selected from the group consisting of a polyolefin, such as a polyethylene or polypropylene, a polyurethane, a polyester or a polyester-elastomer. Such an optical communication cable structure is stabile in high-voltage environments and can be laid as desired adjacent structures carrying high voltage and can, for example, be suspended at overhead voltage lines.