FIELD: making flexible pipe lines. SUBSTANCE: belt having longitudinal corrugations is wound on the outer side of the previous turn overlapped and welded in the overlapping zone to arrange welds along the corrugations. The belt has at least five corrugations. The number of layers welded in the overlapping zone varies along the pipe. EFFECT: improved design. 2 dwg
Title | Year | Author | Number |
---|---|---|---|
CORRUGATED PIPE | 0 |
|
SU1733815A1 |
FLEXIBLE MULTICAVITY PIPELINE | 0 |
|
SU1798580A1 |
CORRUGATED TUBE | 0 |
|
SU1740847A1 |
CORRUGATED PIPE | 1992 |
|
RU2065119C1 |
APPARATUS FOR MAKING CORRUGATED TUBES | 2000 |
|
RU2198050C2 |
METHOD OF MULTILAYER SHELLS PRODUCTION | 1991 |
|
RU2009747C1 |
METHOD FOR MULTILAYER SILPHON | 2008 |
|
RU2365453C1 |
METHOD OF MAKING PIPE | 2004 |
|
RU2272953C1 |
FLEXIBLE CORRUGATED PIPE | 1992 |
|
RU2028535C1 |
METHOD AND WELDED CLUTCH FOR REPAIRING PIPELINE | 2004 |
|
RU2285192C2 |
Authors
Dates
1995-03-20—Published
1992-04-07—Filed