Ceramic and stone tiles are shown, which are provided with a locking system including a separate strip part connected to vertical and horizontal grooves formed in the tile edge. A set of ceramic or stone tiles including a first tile provided with a first edge and a second tile provided with a second edge wherein the tiles are provided with a locking system for locking the first edge to the second edge in a horizontal direction parallel with a tile surface and in a vertical direction perpendicular to the horizontal direction, said locking system includes a first and a second tongue and a strip part provided with a first and a second locking element.

A set of panels for covering floors, ceilings or walls is disclosed. Specifically, sets of panels including a plurality of panels joined with a mechanical locking at their adjacent edges. Each of the panels includes at least two pairs of parallel side edges. When the panels are installed in rows, the adjacent edges of two adjacent panels in one row are locked to one another and the adjacent panels of the adjacent rows are locked to one another. Locking provides connecting while preventing movement spacing the locked panels apart in a direction perpendicular to the coupled side edges by a translation in the plane of the bottom surface of the panels, and preventing movement spacing the locked panels apart in a direction perpendicular to the coupled side edges by a translation in a plane perpendicular to the bottom surface of the panels.

In a male and female coupling means of a floor panel the male coupling means is formed of at least one proximal groove and of a flexible distal tongue. The female coupling means is formed of at least one proximal groove and of a flexible distal tongue. The flexible distal tongue of the male coupling means has a proximal wall inclined at an angle with respect to a vertical plane towards the bottom of the panel and towards the outside of the panel, while the flexible distal tongue of the female coupling means has a proximal wall inclined at an angle with respect to a vertical plane towards the top of the panel and towards the outside of the panel. The flexible distal tongue of at least one of the male or female coupling means has a distal wall comprising, at least, a protrusion or a notch that is able to engage with a notch or a protrusion formed in or on a proximal wall of at least one proximal groove of corresponding female or male coupling means of an adjacent panel so as to form an end stop, avoiding vertical movement of the panel with respect to the adjacent panel. The proximal wall of the proximal groove of the male coupling means comprises an upper part, and a lower part, the upper part and the lower part extend parallel on either side of the notch or of the protrusion.

The invention relates to a multi-purpose tile system, in particular a floor tile system, comprising a plurality of multi-purpose tiles, in particular floor tiles, wall tiles, or ceiling tiles. The invention also relates to a tile covering, in particular floor covering, ceiling covering, or wall covering, consisting of mutually coupled tiles according to the invention. The invention further relates to a tile for use in multi-purpose tile system according to the invention.

Ceramic and stone tiles are shown, which are provided with a locking system including a separate strip part connected to vertical and horizontal grooves formed in the tile edge. A set of ceramic or stone tiles including a first tile provided with a first edge and a second tile provided with a second edge wherein the tiles are provided with a locking system for locking the first edge to the second edge in a horizontal direction parallel with a tile surface and in a vertical direction perpendicular to the horizontal direction, said locking system includes a first and a second tongue and a strip part provided with a first and a second locking element.

A panel, which, at two opposite edges, is provided with coupling parts that allow joining by a downward movement, the coupling parts including a male part that fits in a female part, wherein vertically active locking portions are provided at opposite sides of the male part and female part, wherein these locking portions are located at different distances from an upper side of the panels.

A floor panel for forming a floor covering comprises a substrate consisting of at least two substrate layers differing in density and, on at least one pair of opposite edges, is provided with coupling parts of the so-called push-lock type. Vertically active locking surfaces, where they cooperate in the coupled condition of two of such floor panels, define a tangent line which is horizontal or does not deviate more than 50 degrees from the horizontal. The locking surfaces are situated closer to the upper side of the first substrate layer than to the lower side of the first substrate layer.

The present invention relates to a floor panel and to a floor. The floor panel according to the invention includes a core provided with an upper and lower surface, and a first and second core flank at a first and second side of the core, respectively. The floor panel includes a first coupling part and a second coupling part provided at the first side and the second side of the core, respectively. Each of the coupling parts includes an inner side flank, an outer side flank, and an upper portion flank connecting the inner side flank to the outer side flank. According to the invention, a portion of the first core flank and an upper portion of the outer side flank of the second coupling part are inclined such that when the floor panel is coupled to an adjacently arranged further floor panel these upper portions lie against each other for the purpose of providing a locking in a vertical direction. In addition, a first upper portion flank of the tongue of the first coupling part includes a curved recess and the groove of the second coupling part may include a bulge complimentary to the curved recess.

A panel, which, at two opposite edges, is provided with coupling parts that allow joining by a downward movement, said coupling parts including a male part that fits in a female part, wherein vertically active locking portions are provided at opposite sides of the male part and female part, wherein these locking portions are located at different distances from an upper side of the panels.

A set of panels for covering floors, ceilings or walls is disclosed. Specifically, sets of panels including a plurality of panels joined with a mechanical locking at their adjacent edges. Each of the panels includes at least two pairs of parallel side edges. When the panels are installed in rows, the adjacent edges of two adjacent panels in one row are locked to one another and the adjacent panels of the adjacent rows are locked to one another. Locking provides connecting while preventing movement spacing the locked panels apart in a direction perpendicular to the coupled side edges by a translation in the plane of the bottom surface of the panels, and preventing movement spacing the locked panels apart in a direction perpendicular to the coupled side edges by a translation in a plane perpendicular to the bottom surface of the panels.