Patent ID: 9044876
Filing Date: 2015-06-02
Classification: B27N,C08L

Abstract:
1. A light, single-layer timber product board, comprising: wooden chips being a mixture of crushed chips and sliced chips which are glued together, wherein the board has a bulk density of below 500 kg/m wherein the proportion of crushed chips is between 5 and 30% of the proportion of wooden chips of the board, and the proportion of sliced chips is between 70 and 95% of the proportion of wooden chips of the board, and a length of the crushed chips and sliced chips is on average below 40 mm, wherein: the sliced chips are produced at least one of: (i) by cutting wood chips on a knife-ring cutter, (ii) by cutting round wood on a knife-shaft cutter, and (iii) by cutting round wood on a knife-ring cutter, when the sliced chips are produced by cutting the wood chips on the knife-ring cutter, the sliced chips have: (i) a thickness of about 0.2 to 0.9 mm, (ii) a length of about 15 to 100 mm, and (iii) a width of about 3 to 30 mm; or when the sliced chips are produced by cutting round wood on the knife-shaft cutter, the sliced chips have: (i) a thickness of about 0.2 to 0.9 mm, (ii) a length of about 15 to 100 mm, and (iii) a width of about 3 to 30 mm; or when the sliced chips are produced by cutting round wood on the knife-ring cutter, the sliced chips have: (i) a thickness of about 0.2 to 0.9 mm, (ii) a length of about 15 to 145 mm, and (iii) a width of about 3 to 30 mm; the crushed chips are produced by crushing mills or other mills and have a matchstick-like,stick-like or cubic character, and the crushed chips have a low slenderness ratio with simultaneously lesser width of 0.5 to 4 mm and a thickness of 1 to 4 mm.