Expanded wood veneer products and processes

Details Expanded wood veneer products and processes Expanded wood veneer products and processes

B - Operations, Transporting

27

L

144/42

B27L 5/08 (2006.01)

Patent

CA 1190455

ABSTRACT OF THE DISCLOSURE A unitary sheet of plywood comprising at least one lay- er of plywood veneer expanded in a direction perpendicular to the grain and at least one layer of plywood veneer bonded to said ex- panded layer; the method of forming such plywood comprising form- ing a first layer or layers of plywood veneer expanded in a direc- tion perpendicular to the grain and bonding at least one layer of plywood veneer to said expanded layers, the method of forming ex- panded veneer comprising incising a strip of green veneer with at least one multi-bladed nip roller to cause an expansion there- of in a direction perpendicular to the grain and drying said in- cised 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 per- pendicular to the grain and means for drying said incised veneer sheet. - 1 -

467733

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