US Patent 7892617 Panel, in particular for floor covering

Disclosed is a surface covering panel including a first edge with a groove inclusive first coupling means, a second opposite edge with a tongue inclusive second coupling means, the coupling means enabling coupling of two panels, a mechanical locking means integrated into at least one of the coupling means which, when two panels are coupled, is configured to prevent these panels from moving apart, the coupling means being designed for coupling essentially without elastic deformation, wherein at least one part of the surface of at least one of the coupling means includes a repositionable adhesive configured to create bonds between the coupling means that are multiply breakable and re-bondable, wherein a breaking of the bonds on disassembly of the panels results in a chemical click designed to indicate decoupling to a user.