Book panel construction

Details Book panel construction Book panel construction

1986-08-18

1987-06-16

Thomas, Alexander S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428212, 281 15R, 150 52R, B32B 312

Patent

active

046736085

ABSTRACT:
This invention relates generally to a book panel having a particular novel layered construction. In place of a conventional solid chipboard laminated construction, an undulated midstratum layer is utilized in such manner that air cells or pockets are formed within the structure. An overlayer and an underlayer are adhesively applied to the undulated midstratum layer. The invention results in a book panel which may be much more economically manufactured while yielding superior end product strength and durability.

REFERENCES:
patent: 2148176 (1939-02-01), Schroeder

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