PANEL FORMING
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United States of America Patent
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Issued Date -
Mar 21, 2024
app pub date -
Aug 30, 2023
filing date -
Jul 2, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Building panels, especially laminated floor panels are shown, which are provided with a locking system and several core grooves at the rear side in order to save material and decrease weight. Building panels, each having a surface layer on a front side, a backing layer on a rear side and an intermediate core, wherein the intermediate core and the surface and the backing layer all comprise wood fibres and thermosetting resins, the building panels are provided with a locking system for vertical and horizontal locking of a first edge of a first building panel to an adjacent second edge of a second building panel.
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Cited Art Landscape
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