FIELD: transportation of working medium at high temperature. SUBSTANCE: pipe line consists of two flexible envelopes located coaxially. Envelopes are made of profiled band coiled spirally in opposite sides. Longitudinal edges of band of each envelope are made in form of ridges. Envelopes are mutually twisted about axis, each in direction of coiling. EFFECT: enhanced reliability. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FLEXIBLE EXPANSION JOINT | 2001 |
|
RU2180069C1 |
| FLEXIBLE MULTICAVITY PIPELINE | 0 |
|
SU1798580A1 |
| CORRUGATED PIPE | 1992 |
|
RU2065119C1 |
| CORRUGATED TUBE | 0 |
|
SU1740847A1 |
| CORRUGATED PIPE | 0 |
|
SU1733815A1 |
| SELF-CONTROLLED HOSE FIXING | 1992 |
|
RU2041414C1 |
| HOSE TERMINATION FITTING | 1991 |
|
RU2020361C1 |
| UNIT FOR EMBEDDING ELASTOMERIC HOSE | 1994 |
|
RU2083906C1 |
| HOSE END CONNECTION | 1991 |
|
RU2020358C1 |
| FLEXIBLE CORRUGATED PIPE | 1992 |
|
RU2028535C1 |
