GIRDER Russian patent published in 1999 - IPC

FIELD: construction engineering. SUBSTANCE: girder is intended for building structures for example for flooring. Girder has elongated body. Made in body is multiplicity of threaded round through-holes which are intended for screwing into them of multiplicity of space and level regulators of cylindrical configuration with thread. Space and level regulators protrude beyond girder body and due to that air clearance is created between supporting surface and girder body thus allowing for setting required level of positioning girder body. Thread in holes is made directly in girder body. Thread on space and level regulators goes from one end to other end. Space and level regulators are of such length that rear section which is located inside girder body is at least 10 mm long, but front section is at least 1 mm long. In addition, space and level regulators are located in central plane and/or arranged in two rows at each side of central plane. EFFECT: circulation of air in floor construction due to simple positioning at required level. 11 cl, 3 dwg