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:
Nov. 15, 1994

Filed:

Apr. 12, 1990
Applicant:
Inventors:

Ubaldo Vallauri, Monza, IT;

Bruno Parmigiani, Milan, IT;

Francesco Portas, Quattordio, IT;

Assignee:

Pirelli Cavi S.p.A., Milan, IT;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02G / ; H02G / ;
U.S. Cl.
CPC ...
174 731 ; 174 / ; 174 93 ; 174D / ;
Abstract

A covering for a joint between electric cables, an element including such covering for forming a covered joint and a joint obtained with such covering. The covering includes two radially elastic sleeves of cross-linked polymeric material, one sleeve being inside and co-axial with the other sleeve. In the unassembled state, the diameter of the bore of the outer sleeve is less than the diameter of the outer surface of the inner sleeve so that when assembled, the outer sleeve exerts radially inward pressure on the inner sleeve. Each sleeve may be formed of one or more tubular layers of polymeric material.


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