| 摘要 |
<p>The device has axial driving collars (19a, 19b) axially extending in direction of an end (1a) of a tube (1) above a flange (2) in a chamber (16) of a nut (14) for cooperating with an insert (8). The collars push back the insert to form pusher in direction of a section (6) of a bore (5) of a nose (4) so that a joint (11) is forced in the section to form a continuous line contacting with the tube. Independent claims are also included for the following: (A) a double union implementing the tube and tubular nose connecting device (B) a tube to be connected by a connecting device or a double union.</p> |
