2226286 is referenced by 114 patents.

Floor covering, consisting of hard floor panels (1) which, at least at the edges of two opposite sides (2-3, 26-27), are provided with coupling parts (4-5, 28-29), cooperating with each other, substantially in the form of a tongue (9-31) and a groove (10-32), characterized in that the coupling parts (4-5, 28-29) are provided with integrated mechanical locking means (6) which prevent the drifting apart of two coupled floor panels into a direction (R) perpendicular to the related edges (2-3, 26-27) and parallel to the underside (7) of the coupled floor panels (1).

Revetement de sol compose de panneaux de plancher durs et procede de fabrication de ces panneaux de plancher
Floor covering, consisting of hard floor panels and method for manufacturing such floor panels
Publication Number
Application Date
June 7, 1997
Publication Date
December 18, 1997
Thiers Bernard Paul Joseph
Cappelle Mark Gaston Maurits
Moriau Stefan Simon Gustaaf
Unilin Beheer
Unilin Beheer
F16B 05/00
E04F 15/02
E04F 15/04
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