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
B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
B65D31/12—Bags or like containers made of paper and having structural provision for thickness of contents with two or more compartments
Procédé pour augmenter temporairement la résistance a la compression verticale d'un sac pour le transport et la manutention de liquides et quasi liquides, et sac issu du procédé