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
B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
B65D25/38—Devices for discharging contents
B65D25/385—Devices for discharging contents with means for preventing inflammation or explosion during discharging of inflammable or explosive substances from containers, e.g. from petroleum cans