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:
Mar. 08, 1977
Filed:
Dec. 06, 1974
Applicant:
Inventors:
Gijsbrecht Coenraad Van Deventer, Delft, NL;
Gerard Adriaan Visser, Beemster, NL;
Assignee:
N.K.F. Kabel B.V., Delft, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02G / ;
U.S. Cl.
CPC ...
174 / ; 174 / ; 174 / ; 174 / ;
Abstract
A high voltage cable filled with an insulation gas under an operating pressure of more than 1 Bar, in which one or more conductors are supported by insulators, embedded in a tubular sheath of interconnected rigid elements and in which the gas-filled spaces of adjacent segments are connected together through a sealing element which is open under operating conditions and is closed when the pressures in the adjacent segments differ by more than a predetermined pressure difference.