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
E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
E06B3/48—Wings connected at their edges, e.g. foldable wings
E06B3/481—Wings foldable in a zig-zag manner or bi-fold wings
Procede de fabrication de chevilles destinees a l'ancrage dans le sol, en particulier de poteaux ou piquets, et chevilles obtenues au moyen dudit procede
Procédé de fabrication d’un élément longiligne comportant deux parties assemblées par sertissage linéaire, élément longiligne tel qu’un rail de plancher d’aéronef ainsi obtenu