B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/121, 154/129
B32B 21/02 (2006.01)
Patent
CA 1064809
A B S T R A C T A discrete dimensioned structural lumber product is disclosed which has greater strength to density ratio than previous structural lumber product. The product comprises adhesively bonded, substantially straight wood strands having lengths of at least 12 inches, average widths of 0.05 inch to 0.25 inch, and average thickness of 0.05 inch to 0.5 inch, the strands being disposed, side by side length- wise of the lumber product in substantially parallel relation- ship with adhesive bonding adjacent strands but with sub- stantially no straight glue lines extending from one surface to the other of the product, the total amount of adhesive resin solids in the lumber product being from 1% to 5% by weight, the modulus of elasticity for a given dry wood density coming within predetermined boundaries.
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