| 摘要 |
FIELD: machine building. ^ SUBSTANCE: connection system includes safety attachments made in the form of a coupling enveloping fastening connection and containing the first end to be welded to pipeline, as well as the second end forming a hook designed for interaction with connection element so that the above hook is capable of providing the attachment between the above connection element (12) and the above pipeline in case fastening connection is damaged. ^ EFFECT: invention improves the connection reliability. ^ 12 cl, 6 dwg |
