Fire-resistant sandwich core assembly

Details Fire-resistant sandwich core assembly Fire-resistant sandwich core assembly

1983-03-29

1984-12-18

Epstein, Henry F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

52232, 52457, 428326, 428920, E04B 194

Patent

active

044891210

ABSTRACT:
A fire-resistant sandwich core assembly, particularly for a fire door, comprises a central core layer. A protective layer of ceramic fibre board is provided on each of the main faces of the core layer to form a fire-resistant assembly. Stiles, rails, and appropriate facing may be applied to the assembly to provide a finished fire door.

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patent: 3916059 (1975-10-01), Molloy et al.
patent: 3928097 (1975-12-01), Sauder et al.
patent: 3994110 (1976-11-01), Ropella
patent: 4086737 (1978-05-01), Byrd, Jr.
patent: 4236365 (1980-12-01), Wheeler
patent: 4258017 (1981-03-01), Gelfand
patent: 4282687 (1981-08-01), Teleskivi
patent: 4343127 (1982-08-01), Greve et al.
patent: 4366202 (1982-12-01), Borovsky

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