COVERING Russian patent published in 2011 - IPC E04B7/00 

FIELD: construction.

SUBSTANCE: covering includes shaped boarding resting on trusses of channel or Z-shape cross section and truss anti-torsion stops. Some ends of stops are engaged with tongue of upper flange of truss, and the other are borne against lower flanges of shaped boarding. Stops include pull screws borne against lower part of webs of trusses. Stop is spatial rod-type and has M shape. Two ends of the stop are inserted into holes free of shaped boarding under shaped boarding and are engaged with upper flange of truss by means of two bent ends. Opposite bent ends of stops are borne against lower flanges of shaped boarding, which are located in one or two corrugations. Middle bent end of the stop is borne through pull screw against web of the truss.

EFFECT: reducing labour intensity.

1 dwg