Combined set comprising at least a first and a second floor covering laminated panel

A combined set comprising at least a first and a second floor covering laminated panel, each panel comprising a wood-based core as well as a first and a second lateral edge extending at opposite sides of a same panel and in parallel to each other, said first and second lateral edge being provided with coupling parts integrally formed with said core and comprising a tongue applied on said first lateral edge and a groove applied on said second lateral edge, said tongue and groove being configured to co-operate by coupling said first and second panel, said panels further comprising locking means provided for mutually engaging said first and second panel when coupled, said locking means comprising a first locking member formed by an extension on a lower side of said tongue and a second locking member formed by a lower lip extending distally from a lower side of said groove, said second locking member comprising a tooth situated at an end portion of said lower lip and provided to engage into a first cavity of said first locking member when said first and second panel are coupled, said tongue and groove having each an upper side provided to extend in parallel to each other and to contact each other when coupled, characterised in that said extension forming said first locking member has a first inclined face with a first slope and starting from a front end of said tongue and extending towards said first cavity in a direction towards an under side of said panel, said lower lip having a second inclined face with a second slope corresponding to said first slope in such a manner that said first and second inclined face contact each other offset of said groove when said first and second panel are mutually engaged.