(19)
(11) EP 0 381 638 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.10.1990 Bulletin 1990/43

(43) Date of publication A2:
08.08.1990 Bulletin 1990/32

(21) Application number: 90850006.9

(22) Date of filing: 04.01.1990
(51) International Patent Classification (IPC)5: H01B 17/30
(84) Designated Contracting States:
DE FR GB IT SE

(30) Priority: 10.01.1989 NO 890093

(71) Applicant: EB DISTRIBUSJON A.S.
N-3700 Skien (NO)

(72) Inventor:
  • Nikolaisen, Bjarne H.
    N-3700 Skien (NO)

(74) Representative: Delmar, John-Ake 
AB Delmar & Co Patentbyra P.O. Box 26 133
100 41 Stockholm
100 41 Stockholm (SE)


(56) References cited: : 
   
       


    (54) An electric conductor bushing


    (57) An electric conductor bushing, especially for use in distributing plants which are insulated by the aid of an insulating gas (SF₆), and in which the conductor bushing constitutes a tubular insulating body (2) which is designed to pass through a hole in the plant wall (14) and is secured in a gastight manner (6, 13, 15) to wall (14). A first portion of body (2) extending into plant (B) has at least one opening (7) permitting penetration of insulating gas into void (5) inside said insulating body. A bushing conductor (3) extends coaxially through said body and is supported (11) in said first portion and is, additionally, supported in a gastight manner (4) at the extreme end of a second portion of said body which is provided outside (A) the wall (14).







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