Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1977-01-05
1978-04-25
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
106 15FP, 156257, 156276, 156290, 156325, 428172, 428331, 428332, 428454, 428479, 428920, 428921, B32B 330, B32B 300
Patent
active
040863824
ABSTRACT:
A method of producing fire resistant wood products wherein a plurality of thin wood strips, each having a multiplicity of uniformly close spaced surface indentations, are bonded together in a stack by a binder having fine particles of inert non-flammable material mixed therein to produce a laminated wood unit having a multiplicity of close spaced cavities throughout which are filled with a set binder containing non-flammable material.
REFERENCES:
patent: 2532983 (1950-12-01), Alderson
patent: 2708643 (1955-05-01), Page et al.
patent: 3616173 (1971-10-01), Green et al.
American Door Company of Michigan, Inc.
Lesmes George F.
Thibodeau Paul J.
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