FIRE DOOR DEVICE

PURPOSE: To improve the performance of a fire door simply by a method wherein a recessed section is formed to the contacting sections of the door and a frame body, a foamed raw material, from which a foamed flame-retardant body is formed, is held, and foamed at the time of the generation of a fire a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KOJIMA ISAO, NARA KOKI, USHIYAMA YASUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS
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