Static structures (e.g. – buildings) – Module or panel having discrete edgewise or face-to-face... – With joining means of dissimilar material and separate from...
Reexamination Certificate
2011-07-19
2011-07-19
Canfield, Robert J (Department: 3633)
Static structures (e.g., buildings)
Module or panel having discrete edgewise or face-to-face...
With joining means of dissimilar material and separate from...
C052S586100
Reexamination Certificate
active
07980041
ABSTRACT:
Floor panels with a flexible tongue in an insertion groove, the flexible tongue is designed to cooperate, in a connected state with a tongue groove of another panel, the panels are adapted to be locked together by vertical folding, the flexible tongue has a projection portion which, in a connected state projects outside the insertion groove and cooperates with the tongue groove, said projecting portion has a bevelled and/or rounded sliding surface and the panels have a sliding surface adapted to cooperate therewith during vertical folding, the flexible tongue during the vertical folding is displaced twice in the horizontal direction, a first displacement is effected by the vertical folding of the fold panel whereby at least a part of the flexible tongue is bent, a second displacement of the flexible tongue towards its initial position is accomplished substantially by a spring effect caused by said bending of said flexible tongue.
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Håkansson Niclas
Nygren Per
Pervan Darko
Buchanan & Ingersoll & Rooney PC
Cajilig Christine T
Canfield Robert J
Valinge Innovation AB
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