Structural panel

Details Structural panel Structural panel

1986-09-09

1988-07-26

Kittle, John E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

428209, 428326, 428920, 428921, B32B 312, B32B 300

Patent

active

047599642

ABSTRACT:
A structural panel in the form of a sandwich construction, comprises a core and at least one cover layer on at least one external surface of the core. Said cover layer itself has on its external surface at least a first layer of fibrous material and has on its internal surface at least a second layer having a high melting point and a high combustion temperature and also being gas-tight, thereby preventing hot gases from passing through the layer and then burning the layer disposed therebelow.

REFERENCES:
patent: 1366147 (1921-01-01), Worthington
patent: 2839442 (1958-06-01), Whitaker
patent: 3518156 (1970-06-01), Windecker
patent: 4020225 (1977-04-01), Fujiwara et al.

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