Plywood layup line

Details Plywood layup line Plywood layup line

1980-09-25

1982-08-03

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

156299, B32B 3100

Patent

active

043426158

ABSTRACT:
A method and apparatus for assembling plywood laminate structures on a plywood assembly line utilize a first conveyor extending through an assembly area. Plywood back sheets are loaded onto the entry end of the first conveyor in end-to-end abutting relationship and the first conveyor conveys the back sheets, additional laminate layers (such as core layers), and complete laminate structures at constant speed from the entry end to the first conveyor's exit end. The method and apparatus utilize a first curtain coater to coat the top side of the back sheets with a laminating adhesive. The first curtain coater is positioned upstream from and adjacent the entry of the first conveyor. Additional side conveyors convey plywood core laminate layers and face sheets to assembly stations along the first conveyor. Additional curtain coaters are utilized as required to coat the top sides of the core laminate layers moving along such additional conveyors with laminating adhesive. Such additional curtain coaters are positioned between the entry and exit ends of the additional conveyors.

REFERENCES:
patent: 3620887 (1971-11-01), Nelson
patent: 3725183 (1973-04-01), Brookhyser
patent: 3795560 (1974-05-01), Matsumoto

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