Method of making lightweight panels and their core materials

Details Method of making lightweight panels and their core materials Method of making lightweight panels and their core materials

1989-02-16

1990-04-17

Epstein, Henry F.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156267, 264 467, 264138, 428117, B32B 312

Patent

active

049177427

ABSTRACT:
This invention discloses lightweight panels consisting of a honeycomb, boards on both sides, and phenolic foam of a density of 7-20 Kg/m.sup.3 in the cavities of the honeycomb and a method of making a honeycomb core, with the panels characterized by being light, fireproof, fire-resistant, thermally insulating, and of high strength and useful for building panels, particularly for panels in transportation equipment.

REFERENCES:
patent: 2729894 (1956-01-01), Andrews
patent: 3407110 (1968-10-01), Axelson et al.
patent: 3644158 (1972-02-01), Strumbos
patent: 4330494 (1982-05-01), Iwata et al.

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