FIELD: pipeline transport.
SUBSTANCE: plastic pipeline comprises inner layer (1) made of thermoplastic and outer layer (2) made of fiber glass. The layers are rigidly interconnected by means of additional securing the outer layer to the longitudinal stiffening ribs (3) in grooves (4) made in the stiffening ribs.
EFFECT: enhanced strength and reliability.
1 cl, 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR MANUFACTURE OF BIPLASTIC PIPES | 2004 |
|
RU2271930C2 |
| PLASTIC PIPE | 2003 |
|
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| BIPLASTIC PIPE | 2002 |
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RU2390414C2 |
