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Publication of FR474636ApublicationCriticalpatent/FR474636A/en
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
B65D27/32—Opening devices incorporated during envelope manufacture
B65D27/34—Lines of weakness
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR474636D1914-07-031914-07-03
Opening system for envelopes, boxes and the like made of paper, cardboard, metal foil or any other material
ExpiredFR474636A
(en)
Improvements in Machines for Scoring, Embossing, or Bending Strawboard, Cardboard, and other Material for Use in the Manufacture of Boxes, Packets, and the like.