B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 21/08 (2006.01) B27N 3/02 (2006.01)
Patent
CA 2750429
A derived timber material board, having at least three layers made of a derived timber material, at least a middle layer thereof being made of a mixture of derived timber material and a foamed plastic (3), is characterized in that the middle layer additionally has at least one foamed natural material (4).
L'invention concerne une plaque de matériau en bois comprenant au moins trois couches de matériau en bois, au moins une couche médiane étant constituée d'un mélange de matériau en bois et d'un plastique expansé (3). La plaque de matériau en bois est caractérisée par le fait que la couche médiane présente en outre au moins un matériau naturel expansé (4).
Grunwald Dirk
Hasch Joachim
Kirby Eades Gale Baker
Kronotec Ag
LandOfFree
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