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Publication of BE667599ApublicationCriticalpatent/BE667599A/fr
E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
E06B7/00—Special arrangements or measures in connection with doors or windows
E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
E06B7/08—Louvre doors, windows or grilles
E06B7/084—Louvre doors, windows or grilles with rotatable lamellae
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Engineering & Computer Science
(AREA)
Civil Engineering
(AREA)
Structural Engineering
(AREA)
Operating, Guiding And Securing Of Roll- Type Closing Members
(AREA)