Roller shutter box and method for its production

The tunnel lintel for revolving doors is made up of a front, exterior arched section and a rear, interior arched section which are connected by an internal frame (8). An independent claim is included for a method for making the lintel. L'invention concerne un coffre-tunnel (1) pour volet roulan...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LE PERSONNIC, JOEL, EVENO, CHRISTIAN, COINDET, ERWAN
Format:	Patent
Sprache:	eng ; fre ; ger
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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