Electrically-nonconducting system for the connection of...

Details Electrically-nonconducting system for the connection of... Electrically-nonconducting system for the connection of...

H - Electricity

01

Q

351/61

H01Q 11/00 (2006.01) E21B 17/02 (2006.01) E21B 17/04 (2006.01) E21B 47/12 (2006.01) H01Q 1/04 (2006.01)

Patent

CA 1323691

ABSTRACT OF THE DISCLOSURE A joint for end-to-end coupling of two tubular elements includes tapered coupling surfaces on the tubular elements which are bonded together by adhesive. The coupling surfaces comprise a plurality of cylindrical sections of gradually increasing and decreasing diameters, respectively. A plurality of axially spaced-apart centering rings are interposed between the tubular elements to provide proper positioning thereof and to facilitate injection of bonding material between the coupling surfaces. A series of axially spaced-apart conducting rings forming part of an antenna surround one of the tubular elements and are insulated therefrom by a layer of bonding material. The conducting rings are separated from each other by toric joints and shims. Openings are provided in one of the tubular elements for injecting the bonding material under pressurized conditions, and an insulating sheath is bonded to inner peripheries of the tubular elements.

607816

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