Patent ID: 7127860
Filing Date: 2006-10-31
Classification: E04C,E04F,Y10T

Abstract:
1. A system for making a flooring which comprises quadrangular floorboards which are mechanically lockable, in which system individual floorboards along four edge portions have pairs of opposing connectors including a tongue and a groove for locking together adjoining floorboards both vertically and horizontally, and wherein the connectors of the floorboards lock together in a first direction in a plane of the floorboard by at least snapping-in and lock together in a second direction in the plane of the floorboard by inward angling or snapping-in, wherein the system comprises a first type and a second type of floorboards, wherein the first type is different from the second type, and wherein connectors of the first type of the floorboards along one pair of opposite edge portions are arranged in a mirror-inverted manner relative to the corresponding connectors along the same pair of opposite edge portions of the second type of the floorboards.