Method and apparatus for making expanded wood veneer products

Details Method and apparatus for making expanded wood veneer products Method and apparatus for making expanded wood veneer products

1983-01-10

1987-04-07

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156256, 156510, 144 2R, 144 2J, 144 2K, 144345, 144350, 144363, B32B 3118

Patent

active

046558691

ABSTRACT:
A unitary sheet of plywood comprising at least one layer of plywood veneer expanded in a direction perpendicular to the grain and at least one layer of plywood veneer bonded to said expanded layer; the method of forming such plywood comprising forming a first layer or layers of plywood veneer expanded in a direction perpendicular to the grain and bonding at least one layer of plywood veneer to said expanded layers, the method of forming expanded veneer comprising incising a strip of green veneer with at least one multi-bladed nip roller to cause an expansion thereof in a direction perpendicular to the grain and drying said incised strip, and apparatus for expanding a sheet of green veneer comprising at least one multi-bladed roller for incising a sheet of green veneer to cause expansion thereof in a direction perpendicular to the grain and means for drying said incised veneer sheet.

REFERENCES:
patent: 2737214 (1956-03-01), Elmendorff
patent: 2815779 (1957-12-01), Higgins
patent: 2815780 (1957-12-01), Higgins
patent: 2974697 (1961-03-01), Elmendorff
patent: 3678974 (1972-07-01), O'Brien
patent: 4137956 (1979-02-01), Toberg

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