| 20110030303 | MECHANICAL LOCKING OF FLOOR PANELS, METHODS TO INSTALL AND UNINSTALL PANELS, A METHOD AND AN EQUIPEMENT TO PRODUCE THE LOCKING SYSTEM, A METHOD TO CONNECT A DISPLACEABLE TONGUE TO A PANEL AND A TONGUE BLANK - Floor panels are shown, which are provided with a mechanical locking system including tongue and grooves provided with protrusions and cavities which are displaceable in relation to each other and configured such that the protrusions can obtain a vertically unlocked position where they match the cavities and a vertically locked position where the protrusions overlap each other. | 02-10-2011 |
