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:
Jan. 18, 1983
Filed:
Apr. 16, 1981
Ube Industries, Ltd., Chiba, JP;
Abstract
A heat-shrinkable cover sheet used for covering and protecting the peripheral surface of a joint of, for example, a steel pipe or cable is provided. The heat-shrinkable cover sheet has two branched tongue-like portions on each of both the ends in the direction of thermal shrinkage. A heating element formed of a heating electric conductor wire is included and built in the body portion of the cover sheet, the front tongue-like portion on one end of the cover sheet and the back tongue-like portion on the other end of the cover sheet, in a manner such that thermal shrinkage of the entire sheet is not prevented. The heating element included in at least one of the tongue-like portions having the heating element included and built therein is independent from the heating element of the body portion of the sheet, so that application of electricity to the independent heating element and stopping of application of electricity to the independent heating element can freely be carried out while electricity is applied to the heating element of the body portion.