Process for making a wood board and the wood board

Details Process for making a wood board and the wood board Process for making a wood board and the wood board

1997-10-02

1999-03-30

Bray, W. Donald

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

144332, 144347, 156256, 1563041, 1563045, 156204, 428106, 428114, 428161, 428535, B32B 300, B23B 3118, B27M 100, B27F 100

Patent

active

058886206

ABSTRACT:
The process for making a wood board comprises the steps of: a) providing elongated pieces of wood each from a coniferous wood and each having a rectangular cross section; b) detecting an average fiber density of each of the pieces of wood; c) selecting among the pieces of wood those having an average fiber density at least equal to a predetermined fiber density; d) planing off edges of the pieces of wood selected in step c); and e) bonding side by side the pieces of wood planed off in step d) by means of their edges to form the wood board. The board produced thereby shows excellent mechanical characteristics. An advantage of the present invention is to provide a process for making high strength lumber products from coniferous trees which are traditionally considered as nonstructural wood.

REFERENCES:
patent: 1778333 (1930-10-01), Neumann
patent: 2589316 (1952-03-01), Young
patent: 2942635 (1960-06-01), Horne
patent: 3580760 (1971-05-01), Koch
patent: 3908725 (1975-09-01), Koch
patent: 3961654 (1976-06-01), Hasenwinkle
patent: 4496421 (1985-01-01), Byars et al.
patent: 4934228 (1990-06-01), Bolton et al.
patent: 5002105 (1991-03-01), Bodig
patent: 5034259 (1991-07-01), Barker
patent: 5059472 (1991-10-01), Le Bell et al.
patent: 5135597 (1992-08-01), Barker

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