Prescored foam for panel fabrication

Details Prescored foam for panel fabrication Prescored foam for panel fabrication

1994-04-29

1996-12-31

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156257, 156264, 156285, 156286, 264102, 264516, 428116, 4283044, B32B 312

Patent

active

055890164

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:
patent: 2157622 (1939-05-01), Neesen et al.
patent: 2240765 (1941-05-01), Dryer
patent: 3703422 (1972-11-01), Yoshino
patent: 4210052 (1980-07-01), Fisher
patent: 4217157 (1980-08-01), Stoltze et al.
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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