MECHANICAL FIXING DEVICE FOR FLOOR PANELS, METHODS OF MOUNTING AND DEMOLITION OF PANELS, METHOD AND EQUIPMENT FOR CREATING LOCKING DEVICE, METHOD OF CONNECTION SHIFTING SPUD WITH PANEL AND WORK PIECE OF SPUD Russian patent published in 2017 - IPC E04F15/04 

FIELD: construction.

SUBSTANCE: invention relates to the field of construction, in particular to the floor panels with a mechanical fixing device. The panels are provided with the mechanical fixing device containing a spud and a groove formed with bulges and recesses which are shifted relative to each other and have such a shape that the bulges may occupy a vertically non-fixed position in which they correspond to the recesses, and a vertically fixed position in which they overlap each other.

EFFECT: invention provides enhancing fixation strength of the panels.

12 cl, 51 dwg