Static structures (e.g. – buildings) – Module or panel having discrete edgewise or face-to-face... – Having integral key
Reexamination Certificate
2006-10-17
2006-10-17
Friedman, Carl D. (Department: 3635)
Static structures (e.g., buildings)
Module or panel having discrete edgewise or face-to-face...
Having integral key
C052S403100, C052S480000, C052S584100, C052S586200, C052S589100, C052S590200
Reexamination Certificate
active
07121059
ABSTRACT:
The invention relates to a system for laying and mechanically joining building panels, especially thin, hard, floating floors. Adjacent joint edges of two panels engage each other to provide a first mechanical connection locking the joint edges in a first direction perpendicular to the principal plane of the panels. In each joint, there is further provided a strip which is integrated with one joint edge and which projects behind the other joint edge. The strip has an upwardly protruding locking element engaging in a locking groove in the rear side of the other joint edge to form a second mechanical connection locking the panels in a second direction parallel to the principal plane of the panels and at right angles to the joint. Both the first and the second mechanical connection allow mutual displacement of joined panels in the direction of the joint.
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Friedman Carl D.
Horton Yvonne M.
Valinge Innovation AB
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