FIELD: pipeline engineering.
SUBSTANCE: stop ring comprises a member that has a special shape and is made of a special material.
EFFECT: enhanced reliability.
25 cl, 11 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| LOCKING SEALING GASKET FOR MECHANICAL JOINT OF PIPES | 2003 |
|
RU2336454C2 |
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|
RU2468277C2 |
| PIPE JOINT | 1997 |
|
RU2112176C1 |
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|
RU2588930C2 |
| METHOD FOR MAKING DOWEL JOINTS OF TUBES | 2003 |
|
RU2254950C1 |
| METHOD OF MAKING DOWEL JOINTS FOR TUBES | 2003 |
|
RU2254949C1 |
