| 摘要 |
FIELD: construction, pipeline. ^ SUBSTANCE: connector has the first and the second connecting ends, whereat the first one is made as the first reference body equipped with a closing ring. Closing ring and the first reference body form a circular chamber accommodating end of the pipe. Aids for gripping fixation of the inserted into the circular chamber end of the pipe are provided from axially acting pulling-out efforts. The second connecting end of the plug-in connector is made for reduction with the male end of the metal pipe or with a socket-type expanded insert seating element of the metal pipe or with metal compression fitting. ^ EFFECT: enhanced reliability of connection. ^ 9 cl, 5 dwg |
