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
E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
E06B3/04—Wing frames not characterised by the manner of movement
E06B3/263—Frames with special provision for insulation
E06B3/26301—Frames with special provision for insulation with prefabricated insulating strips between two metal section members
E06B3/26303—Frames with special provision for insulation with prefabricated insulating strips between two metal section members with thin strips, e.g. defining a hollow space between the metal section members
Groupe de profiles pour la mise en oeuvre de fermetures de portes et croisees composees de vantaux fixes, normaux, de type vasistas et de vantaux coulissants