METAL-WOOD BEAM Russian patent published in 2023 - IPC E04C2/26 

FIELD: construction.

SUBSTANCE: invention relates to the field of construction, in particular to a wooden beam. A metal-wood beam with composite upper and lower wooden girders made of glued wood and a connecting lattice made of a zigzag bent metal rod, in which each girder is glued from two longitudinal beams, having side recesses on the gluing side of one of the beams, corresponding in shape to the bends of the metal rod. The bent sections of the lattice are placed between the bars of the belts in the corresponding recesses. The zigzag lattice at the junctions with the belts is centered, has an arc or broken line with arc junctions, a trapezoidal outline with longitudinal sections between the kinks.

EFFECT: invention increases the bearing capacity of the beam.

9 cl, 6 dwg