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
B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
B65D21/04—Open-ended containers shaped to be nested when empty and to be superposed when full
B65D21/043—Identical stackable containers specially adapted for nesting after rotation around a vertical axis
B65D21/046—Identical stackable containers specially adapted for nesting after rotation around a vertical axis about 90°