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Publication of FR537942ApublicationCriticalpatent/FR537942A/fr
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
B65D27/00—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents
B65D27/12—Closures
B65D27/20—Closures using self-locking integral or attached elements
B65D27/22—Tongue-and-slot or like closures; Tuck-in flaps
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FR537942D1921-07-051921-07-05Dispositif de fermeture pour enveloppes
ExpiredFR537942A
(fr)