Composite board with OSB faces

Details Composite board with OSB faces Composite board with OSB faces

2005-02-08

2005-02-08

Pyon, Harold (Department: 1772)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

C428S116000, C428S323000

Reexamination Certificate

active

06852386

ABSTRACT:
A method and structure is disclosed for oriented strand boards that utilize a 3-layer, sandwich-type structural panel. The two outer faces are preferably made of wood flakes and the inner core preferably is made out of compression resistant products such as wood chips, paper mill sludge or recycled paper. The core is either a continuous perforated mat or a plurality of individual chunks of compression resistant materials, and preferably contains voids to provide for a reduction in weight of the board.

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patent: 6173540 (2001-01-01), Spivey

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