Method for making structural products from long, thin, narrow, g

Details Method for making structural products from long, thin, narrow, g Method for making structural products from long, thin, narrow, g

1990-02-07

1991-11-26

Bray, W. Donald

Woodworking

Process

Mechanical cutting or shaping

144348, 144352, 144364, 144380, 264108, 264109, 264115, 428 17, 428151, 428294, B27M 102

Patent

active

050675362

ABSTRACT:
High quality agglomerated structural boards, lumber and other structural members such as I, U, T, L beams or corrugated plates or moldings are produced from engineered long, thin narrow green wood strands. Process, in which the parallel alignment of the strands to each other and their original starting orientation are maintained through their transportation, drying, blending, forming and pressing, preventing their intermingling, twisting, warping and breaking. The application of fungicides, pesticides, fire retarding and other chemicals during the blending process, impregnates or colors the agglomerated structural products throughout their cross section, making the products resistant against rot, insects, fire or aesthetically attractive for architectural applications.

REFERENCES:
patent: 3674219 (1972-09-01), Harvey, Jr.
patent: 4232067 (1980-11-01), Coleman
patent: 4421149 (1983-12-01), Barnes et al.
patent: 4672006 (1987-06-01), McGraw
patent: 4681146 (1987-07-01), Liska et al.

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