MULTILAYERED CONSTRUCTION UNIT Russian patent published in 2008 - IPC E04C1/40 

FIELD: building material production, particularly adapted for low building erection and for civil and industrial structure construction.

SUBSTANCE: multilayered construction unit comprises decorative layer of A thickness, bearing layer of C thickness and heat-insulation layer arranged in-between. Heat-insulation layer is made of expanded polystyrene having B thickness. Said layers are connected with each other by means of polymeric rods having sharpened and engaging ends. The sharpened ends are located from the side touching decorative ends. The engaging rod ends are inserted in bearing layer. Polymeric rods include disc-shaped or crossed ribs. Building block is made as prism having trapezoid bases made as block ends. One of parallel prism sides has lesser area and is formed as outer decorative block layer side. Another parallel prism side having greater area is outer side of bearing block layer. Two non-parallel prism sides have equal areas and are created as upper and lower block bases. Said sides are inclined at angle of not more than 1° to outer side of bearing layer. Layer thicknesses are related as A:B:C=1:2.4:2.6. Laminated construction block production method is also disclosed.

EFFECT: improved building appearance, heat insulation and soundproofing, simplified structure, increased masonry strength and decreased construction costs.

2 cl, 9 dwg