End trim plywood process

Details End trim plywood process End trim plywood process

1974-12-30

1976-07-20

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

144309Q, 144315R, 156250, 156267, 156300, 428 50, 428106, B27D 104, B32B 3118, B32B 3120

Patent

active

039704971

ABSTRACT:
A plywood product utilizing a core panel produced from plywood strips salvaged from edge trim produced by conventional trimming operations during plywood production. The trim strips, having parallel side edges, are laid up side by side and edge glued to produce a flat core panel. Outer layers of veneer are glued at each side of the core panel to produce a resulting thick plywood structure suitable for building purposes. The method comprises the production of the strips, the composing of the strips into panels, and the final step of gluing veneers at each face of the core panel to produce a plywood product of greater thickness than most conventional plywood.

REFERENCES:
patent: 1594889 (1926-08-01), Loetscher
patent: 2572772 (1951-10-01), Skoog
patent: 3415707 (1968-12-01), Barnes
patent: 3730797 (1973-05-01), Jensen
patent: 3769143 (1973-10-01), Kulesza

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