B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
B65D49/00—Arrangements or devices for preventing refilling of containers
B65D49/02—One-way valves
B65D49/04—Weighted valves
B65D49/06—Weighted valves with additional loading weights
Installation pour la fabrication de contenants en aluminium ou en alliage d’aluminium, de préférence adaptés pour contenir une boisson, dont l’unité de formage comprend des doigts rétractables