B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 7/02 (2006.01) B32B 27/20 (2006.01) E04F 15/10 (2006.01)
Patent
CA 2572965
A plank is described wherein the plank comprises a core, and optionally, a print layer, and optionally an overlay. The core includes from about 30 wt% to about 95 wt% at least one polymeric material, by weight of the core, and from about 5 wt% to about 70 wt% of least one natural fiber or flour, by weight of the core, wherein the core includes a top surface and a bottom surface, and opposing sides, wherein said plank is substantially moisture resistant, having a swelling property of from about 0.5% to about 5% by NALFA Thickness Test Section 3.2 LF 01-2003 standard, and wherein said plank includes a bow of from about 0.5% to about 4%. In addition, a method of making the plank is further described.
L'invention concerne une planche comprenant une âme, et éventuellement une couche imprimée et une surcouche. Ladite âme comprend entre 30 et 95 % en poids d'au moins un matériau polymère, par rapport au poids de l'âme, et entre 5 et 70 % en poids d'au moins une fibre naturelle ou un parquet, par rapport au poids de l'âme, l'âme comprenant une surface supérieure et un fond, des côtés opposés, ladite planche étant sensiblement résistante à l'humidité et présentant une propriété de gonflement comprise enter 0,5 et 5 % en poids, selon la norme LF 01-2003 de la section 3.2 du test de l'épaisseur NALFA. Ladite planche comprend un cintrage compris entre 0,5 et 4 %. De plus, l'invention concerne un procédé pour fabriquer la planche.
Chen Hao A.
Judd Richard
Mannington Mills Inc.
Ridout & Maybee Llp
LandOfFree
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