Roller shutter

An improved design of roller shutter, especially with hollow profile interlocking sections, has reinforcing grooves (20, 30) pressed into the outer walls. The grooves are applied to the outside wall sections between the inner bulkheads (7) and/or onto the outside wall section over the cross bulkhead...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MELZER, KLAUS
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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