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Floor panel with a plastic backing

  • US 8,726,604 B2
  • Filed: 03/03/2011
  • Issued: 05/20/2014
  • Est. Priority Date: 09/09/2008
  • Status: Active Grant
First Claim
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1. A floor panel for mechanically locking with another floor panel, the floor panel and the another floor panel each having four panel edges and each having complementary mechanical locking means on mutually opposite edges such that one of the locking means on the floor panel interacts with one of the locking means on the another floor panel and forms a locked state to counteract movement apart of the floor panel and the another floor panel, the floor panel comprising:

  • a backing comprising a plastics material that is pliable and flexible, the backing being a split backing further comprising one or more intermediate layers;

    a reinforcement layer arranged as at least one intermediate layer in the split backing, the reinforcement layer comprising a fiber-reinforced material;

    a decorative layer different from the reinforcement layer, the decorative layer being disposed above the backing;

    a first complementary mechanical locking means on a first pair of mutually opposite edges of the floor panel being complementary hook elements that lock in a direction vertical to the plane of the floor panel;

    each of the complementary hook elements having a vertical, recess defined by a horizontal protruding part which is a horizontal extension of one horizontal surface of the floor panel and a vertical protruding part at a distal end of the horizontal protruding part, each vertical protruding part having an undercut surface that is transverse to a horizontal plane of the floor panel and abuts an other undercut surface of the vertical protruding part of the complementary hook element of the another floor panel in the locked state, and counteracts movement apart of the floor panel from the another floor panel in the plane of the floor panel;

    an optionally activatable adhesive provided at least in certain regions of the complementary hook elements, the adhesive being optionally activatable when the floor panel is in the locked state,the adhesive is not provided on the undercut surface of the complementary hook elements,a second complimentary mechanical locking means on a second pair of mutually opposite edges being a complementary tongue and groove, one of mutually opposite panel edges is provided with the groove and the opposite panel edge is provided with the tongue formed complementary to the groove, the tongue and the groove each include an undercut, the undercut of the tongue and the undercut of the groove are designed in such a manner to counteract movement apart in the locked state in the plane of the floor panel, the undercut of the tongue and the undercut of the groove each having the adhesive.

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