FIELD: construction.
SUBSTANCE: method comprises making reinforced plastic blanks of pipes and sector linings with grooves and projections and sealing spaces between pipes by butt welding. The welded pipe blanks are provided with grooves and projections, and they are interconnected by the sector linings with locking rings.
EFFECT: enhanced reliability.
1 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PIPELINE | 2003 |
|
RU2241891C1 |
| METHOD OF MANUFACTURING LININGS WITH COLLAR FOR PIPE JOINT | 2004 |
|
RU2266460C2 |
| PIPE LINE | 2002 |
|
RU2249149C2 |
| METHOD OF MANUFACTURING HOLLOW ARTICLE | 2004 |
|
RU2269054C1 |
| PIPE CONNECTION DEVICE | 2004 |
|
RU2258862C1 |
| METHOD OF MAKING TAP | 2004 |
|
RU2274796C1 |
| METHOD OF MANUFACTURE OF THE PIPE | 2004 |
|
RU2284266C2 |
| METHOD OF REPAIR OF PLASTIC PIPE LINE | 2001 |
|
RU2193715C1 |
| TUBE | 2003 |
|
RU2239744C1 |
| PIPE LINE | 2003 |
|
RU2233399C1 |
