Composite structural material and method of making same

Details Composite structural material and method of making same Composite structural material and method of making same

2005-12-06

2005-12-06

Cole, Elizabeth M. (Department: 1771)

Stock material or miscellaneous articles

Sheet including cover or casing

C428S071000, C428S114000, C428S298100, C428S301400, C428S317900, C428S318400

Reexamination Certificate

active

06972144

ABSTRACT:
A composite structural material suitable, for example, as a replacement for wooden boards, is disclosed. It comprises a dimensionally stable core material ensheathed in a dimensionally stable, laminar covering that is adherent to the core material. The laminar covering is comprised of at least one layer of parallel cords bonded to at least one layer of a rigidified web material selected from the group consisting of paper and cloth. Suitable core materials include polyurethane foam, optionally filled with granulated rubber and/or expandable polymer beads. The parallel cords preferably are supplied in the form of a strip of polyester cloth, as the warp cords thereof. The web material preferably is kraft paper that is rigidified with an epoxy resin.

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