| 摘要 |
The invention relates to a tube coupling for tube elements comprising a socket and a plug which can be inserted axially into the socket. The tube coupling has a joining portion for producing a torque proof junction between socket and plug as well as a securing portion for securing the axial position of the plug in the socket. The securing of the axial position is brought about by two corresponding annular grooves, into which at least one locking element can be inserted via an insertion opening in order to produce a form-locking connection. To secure the locking element a plurality of radial bores is provided on the inner annular groove, into which a securing bolt can be inserted.
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