FIELD: manufacture of thermoplastic pipes.
SUBSTANCE: proposed pipe line includes pipes with thermoplastic and reinforcing layers, sleeves and tenon joints. Tenon joints are wedge-shaped in form; one side of wedge adjoins bead of wall of pipe recess and other side adjoins wall of sleeve slot.
EFFECT: enhanced reliability.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF MANUFACTURE OF COMBINED PIPE | 2002 |
|
RU2216672C1 |
| PIPE LINE | 2003 |
|
RU2233399C1 |
| PIPE | 2004 |
|
RU2258858C1 |
| PIPELINE | 2003 |
|
RU2241891C1 |
| PIPE | 2003 |
|
RU2255264C2 |
| METHOD OF MANUFACTURE OF PIPE | 2004 |
|
RU2262026C1 |
| PIPE LINE | 2001 |
|
RU2211397C2 |
| METHOD OF MAKING PIPELINE | 2004 |
|
RU2272214C1 |
| CONNECTION OF COAXIAL PIPES (VERSIONS) | 2001 |
|
RU2198339C1 |
| PIPE | 2003 |
|
RU2255265C2 |
