Panel

Abstract

A panel including a core, a top side, an underside, a first edge pair and a second edge pair. The first edge pair has a groove profile at a panel edge and a complementary tongue profile at the opposite panel edge, which are lockable by a pivotal movement so that in the locked state vertical locking is achieved and movement of locked panels away from each other in the plane of the panels is opposed. At its opposite panel edges the second edge pair has a receiving hook and a complementary arresting hook. The arresting hook can be assembled to the receiving hook by a joining movement in a plane perpendicular to the panel plane simultaneously by the pivotal movement for the first edge pair. The receiving hook or the arresting hook has a holding groove for a separate locking element that provides vertical locking. A butting surface and a counterpart butting surface are provided at least at the second edge pair. The butting surface is at the receiving hook and the counterpart butting surface is at the arresting hook and both are substantially orthogonally relative to the panel top side. The counterpart butting surface or the butting surface has at least one sealing nipple. The butting surface or the counterpart butting surface has at least one sealing groove matching the sealing nipple in positively locking relationship at the panel edge and the sealing nipple and the sealing groove are respectively arranged parallel to the panel edge in question and extend over the entire length of the butting surface and the counterpart butting surface respectively.

1 - 9 . (canceled) 
     
     
         10 . A panel comprising a panel core, a panel top side, a panel underside and a first edge pair and a second edge pair, wherein the first edge pair is provided with a groove profile at a panel edge and a tongue profile complementary thereto at the opposite panel edge, which are lockable by a pivotal movement and then cooperate in positively locking relationship in such a way that in the locked state a vertical locking action can be achieved and a movement of locked panels away from each other in the plane of the panels is opposed, wherein at its opposite panel edges the second edge pair is provided with complementary hook profiles, namely a receiving hook and an arresting hook, wherein the arresting hook can be assembled to the receiving hook by a joining movement in a plane perpendicular to the panel plane simultaneously by means of the pivotal movement for the first edge pair, with the proviso that the receiving hook is provided with a holding groove or the arresting hook is provided with a holding groove for a separate locking element with which a vertical locking action can be achieved, wherein a butting surface and a counterpart butting surface are provided at least at the second edge pair, with the proviso that the butting surface is arranged at the receiving hook and the counterpart butting surface is arranged at the arresting hook and both are arranged substantially orthogonally relative to the panel top side wherein the counterpart butting surface of the arresting hook or the butting surface of the receiving hook is provided with at least one sealing nipple, the butting surface of the receiving book or the counterpart butting surface of the arresting hook is provided with at least one sealing groove matching the sealing nipple in positively locking relationship at the panel edge and the sealing nipple and the sealing groove are respectively arranged parallel to the panel edge in question and extend over the entire length of the butting surface and the counterpart butting surface respectively. 
     
     
         11 . The panel according to  claim 10 , wherein at least one of the edge pairs at the two complementary panel edges thereof has a respective edge break which forms a recessed join in the assembled state of two of said panels. 
     
     
         12 . The panel according to  claim 11 , wherein the edge breaks of at least one of the edge pairs at the complementary panel edges thereof are of different sizes so that in the assembled state the larger edge break is covered over by the smaller edge break. 
     
     
         13 . The panel according to  claim 12 , wherein provided at that panel edge with the smaller edge break is a projection, on the top side of which extends at least a part of the smaller edge break, and that provided at an underside of the projection is an undercut counterpart surface for the covered-over part of the larger edge break. 
     
     
         14 . The panel according to  claim 12 , wherein the smaller edge break of the first edge pair is arranged at the groove profile and the larger edge break is arranged at the tongue profile and that the smaller edge break of the second edge pair is arranged at the arresting hook and the larger edge break is arranged at the receiving hook. 
     
     
         15 . The panel according to  claim 10 , wherein at the second edge pair the counterpart butting surface is inclined relative to the orthogonal to the panel top side by an angle in the range of 1°-5°, that the cross-section of the arresting hook has an oversize in the inclined region of the counterpart butting surface and/or the cross-section of the groove profile has an oversize in the inclined region of the counterpart butting surface so that in the locked state a pressing action can be caused between the counterpart butting surface and the butting surfaces. 
     
     
         16 . The panel according to  claim 10 , wherein the pressing action between the counterpart butting surface and the butting surface is greater at the upper end of the butting surface and decreases towards the lower end of the butting surface. 
     
     
         17 . The panel according to  claim 10 , wherein the separate locking element has a latching means with which it is latchable in a latching recess of the complementary panel edge. 
     
     
         18 . The panel according to  claim 10 , wherein the holding groove for the separate locking element has parallel groove walls.