FIELD: building, particularly for erecting light-weight roof frames, arches, bearers and similar structures.
SUBSTANCE: lattice structure includes upper and lower girders connected one to another by rods of triangular lattice. Lattice rods are pressure formed of steel strip by bending parts thereof into opposite directions along two parallel fold lines for flanges forming and butt-joining thereof across girders cross-sections. Strip has cut formed in opposite folded flanges and extending from strip length center to outer edges thereof. Cut creates symmetrical triangle profiles of each flange.
EFFECT: reduced material consumption.
3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| GRILLWORK | 1999 |
|
RU2159311C1 |
| LATTICE STRUCTURE AND METHOD OF ITS ASSEMBLING | 2007 |
|
RU2342509C2 |
| GRATE CONSTRUCTION | 0 |
|
SU1684446A1 |
| GRILLWORK OF FORMED SECTIONS | 1999 |
|
RU2159310C1 |
| CRANE RAIL WELDED BY MEANS OF LASER WELDING FOR SUSPENDED CRANE TROLLEYS | 2007 |
|
RU2434988C2 |
| LATTICE STRUCTURE | 2018 |
|
RU2715785C2 |
| THREE-DIMENSIONAL LATTICEWORK SHAFT | 0 |
|
SU842187A1 |
| BUTT JOINT OF STRETCHED RODS | 0 |
|
SU1767115A1 |
| HOISTING CRANE PARTICULARLY, BRIDGE CRANE OR GANTRY WITH CRANE JIB | 2013 |
|
RU2574299C1 |
| HOISTING BRIDGE OR GANTRY CRANE WITH NOT LESS THAN ONE SPAN BEAM | 2013 |
|
RU2591778C1 |
