Laminated veneer lumber (LVL)

Details Laminated veneer lumber (LVL) Laminated veneer lumber (LVL)

1988-03-14

1989-07-04

Robinson, Ellis P.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156271, 156313, C09J 700

Patent

active

048447633

ABSTRACT:
A dimensionally stable composite wood panel having wood veneer sheets with their grains disposed in the same direction, and a core of adhesively-bonded biomass particles is improved by including a third wood veneer sheet having its grain substantially perpendicular to the grains of the surface veneer sheets. Additional veneer sheets may lie intermediate the surface sheets and the intermediate sheet, with its grain structure oriented parallel to the surface sheets. The panel produced may be ripped or sawed to form laminated veneer lumber of such dimensions that is may be substituted for structural lumber. The laminated veneer lumber of the present invention has improved dimensional stability and may be nailed without splitting or cracking. A process of manufacturing continous or indefinite lengths of the composite wood panel is disclosed.

REFERENCES:
patent: 3152029 (1964-10-01), Orloff
patent: 3616090 (1971-10-01), Larson
patent: 3616128 (1971-10-01), Dacovrek
patent: 4144112 (1979-03-01), Hasegawa

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