| 摘要 |
FIELD: construction industry. ^ SUBSTANCE: invention refers to pipe connections. Ring for visual determination of pipe connection crimping condition includes a ring-shaped section having at least one groove opening the main part of the connection, and at least one rib facing the groove. One end of the ring is connected to the ring-shaped section and located at some distance from the connection, and the other end is located near the main part of the connection so that during crimping of the connection at least one rib is offset with the crimping tool so that it covers at least partially the appropriate groove. ^ EFFECT: invention improves the connection reliability. ^ 10 cl, 10 dwg |
