Patent ID: 6519912
Filing Date: 2003-02-18
Classification: B27M,B44C,E04C,E04F

Abstract:
A composite wood product, comprising:a plurality of elongated pieces of wood, each piece having a cross section forming a plurality of surfaces; said plurality of surfaces including first and second non-engaging surfaces and first, second, third and fourth engaging surfaces; said first non-engaging surface and said fourth engaging surface being substantially parallel; said first engaging surface forming an obtuse angle with said second non-engaging surface and said second engaging surface forming an obtuse angle with said third engaging surface; said second engaging surface and said first non-engaging surface forming an acute angle; and said first and second non-engaging surfaces forming a substantially right angle; wherein there are four wood pieces arranged in opposing pairs wherein each of said paired wood pieces have substantially the same modulus of elasticity; and wherein the wood pieces of one of said opposing pairs has a higher modulus of elasticity than the wood pieces of the other of said opposing pairs.