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
B65D33/00—Details of, or accessories for, sacks or bags
B65D33/16—End- or aperture-closing arrangements or devices
B65D33/24—End- or aperture-closing arrangements or devices using self-locking integral or attached closure elements, e.g. flaps
B65D33/243—Combination of flaps, slits, tongues or apertures, e.g. apertures serving as hand or finger holes
Enveloppes reutilisables pour la reponse, a element de mise en place de la patte de fermeture pour la reexpedition, et procede de preparation de ces enveloppes pour l'expedition