BEAM FOR FLOOR STRUCTURE FORM Russian patent published in 2005 - IPC

FIELD: building, particularly beams or the like as supporting members for forms used for concreting cast-in-place floor structures.

SUBSTANCE: beam comprises post composed of two symmetrically located roll-formed profiled members rigidly connected one to another by flanges thereof and defining closed longitudinal channel in-between. Cup parts are stamped in central channel part so that cup part bottoms face each other. Shoulders forming gutters for wooden balk receiving are created by bending edges of profiled members outwards from opposite post sides and gutter bottoms also face each other. Gutter ends are located within the post dimensions along post height. Post additionally has through orifices for receiving tightening bushes with expanded edges. Balk may optionally have plate arranged between profile member flanges and having height equal to post height. Plate is provided with orifices made in profile connection areas and adapted for receiving rivets and tightening bushes.

EFFECT: increased form strength and rigidity.

5 cl, 3 dwg