| 摘要 |
FIELD: gas and oil production. ^ SUBSTANCE: device consists of tubular enveloping element with through channel, and at least one electric contact adjoining internal wall, forming this channel, of tubular enveloped component with through channel and at least one electric contact adjoining external wall of this component, of removable cover on contact of at least one of said components. At least one of the said contacts includes at least one conducting flexible element. ^ EFFECT: raised reliability of connection, simplified realisation of connecting procedure. ^ 18 cl, 4 dwg |
