Plywood manufacturing method and apparatus

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With stretching or tensioning means

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Details

156497, 156501, 156549, 156555, 156246, 156313, 425 94, 425224, 425471, B29B 100, B31F 500, B32B 3100, A01N 3304

Patent

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045697159

ABSTRACT:
A plywood is manufactured by applying an aqueous plywood adhesive fluid to the peripheral surface of a heating roll rotating at a given speed by means of a roll coater to form an adhesive fluid film, drying the adhesive fluid film into a tacky-dry film while it is carried on the surface of the heating roll, stripping the tacky-dry adhesive film from the roll surface by pulling it under tension with or without the aid of a stripping knife, interposing the adhesive film between a pair of veneers, and pressing the veneers to each other to bond them.

REFERENCES:
patent: 3553065 (1971-01-01), Stumpf
patent: 3597295 (1971-08-01), Tenquist
patent: 3690979 (1972-09-01), Jarri
patent: 3850729 (1974-11-01), Paulson et al.
patent: 4216051 (1980-08-01), Brown et al.
patent: 4310365 (1982-01-01), Elliott et al.
patent: 4324820 (1982-04-01), Weldon
patent: 4374692 (1983-02-01), Sumeghy

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