FIELD: construction.
SUBSTANCE: in the curved closed profile of rectangular section with a hinge in the middle of one of the long sides, where each part of an aligned edge is continued in the form of I-shaped rib, the size of short edges is half the size of the I-shaped ribs and three times smaller than the long edges.
EFFECT: same stability of the curved closed profiles from the plane and in the plane of the supporting structure, reduction of additional costs.
2 cl, 21 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FLAT-OVAL CURVED-CLOSED PROFILE | 2017 |
|
RU2653209C1 |
| TRAPEZOIDAL CLOSED PROFILE | 2017 |
|
RU2655056C1 |
| WEDGE-SHAPED CURCE-CLOSED PROFILE | 2017 |
|
RU2656297C1 |
| PENTAGONAL FORMED HOLLOW PROFILE | 2017 |
|
RU2645318C1 |
| TRIANGULAR HOLLOW PROFILE | 2017 |
|
RU2651741C1 |
| SEMI-CIRCULAR FORMED HOLLOWED SECTION | 2017 |
|
RU2645317C1 |
| C-SHAPED CURVED CLOSED PROFILE WITH PERFORATED WALL | 2019 |
|
RU2725340C1 |
| H-SHAPED FOLDED CLOSED PROFILE WITH PERFORATED FLANGE | 2019 |
|
RU2714033C1 |
| H-SHAPED BENT CLOSED PROFILE (OPTIONS) | 2018 |
|
RU2680560C1 |
| H-SHAPED CURVED CLOSED PROFILE WITH PERFORATED WALL | 2019 |
|
RU2715778C1 |
