Composite panel

Details Composite panel Composite panel

1995-06-06

1997-04-29

Thomas, Alexander

Stock material or miscellaneous articles

Sheet including cover or casing

Complete cover or casing

428 73, 428167, 428169, 156 87, B32B 330

Patent

active

056247281

ABSTRACT:
A planar composite panel is constructed from two resin-impregnated fiber face sheet covering and bonded to the two sides of a honeycomb core element and a surrounding border element made of rigid foam board. The two planar faces of the rigid foam board are embossed with a pattern of indentations in the form of interlinked equilateral triangles which are sufficiently deep and close together to provide escape paths for volatiles generated inside the panel during curing of the resin in the face sheets by which the face sheets are bonded to the honeycomb core element and the foam board, to prevent the development of excessive pressure between the face sheets that otherwise would interfere with the bonding.

REFERENCES:
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patent: 2240765 (1941-05-01), Dryer
patent: 3703422 (1972-11-01), Yoshino
patent: 3814653 (1974-06-01), Heier
patent: 4201818 (1980-05-01), Rohn
patent: 4210052 (1980-07-01), Fisher
patent: 4217157 (1980-08-01), Stoltze et al.
patent: 4294055 (1981-10-01), Andresen
patent: 4300978 (1981-11-01), Whitemore et al.
patent: 4846917 (1989-07-01), Hartel et al.
patent: 4879152 (1989-11-01), Green
patent: 5242651 (1993-09-01), Brayden et al.

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