ROLLER SHUTTER FIREPROOF DEVICE FOR PREVENTING FIRE FROM SPREADING

A roller shutter fireproof device for preventing a fire from spreading. The device comprises a fixing plate (1); a first concentric-square-shaped groove (2) and a second concentric-square-shaped groove (3) are provided in a lower surface of the fixing plate (1); first electric motors (4) are respect...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LIANG, Xiongfei
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	BUILDING CEILINGS 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 FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS LADDERS ROOFS WALLS, e.g. PARTITIONS
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