B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 71/00 (2006.01)
Patent
CA 2202386
There is provided an interlock arrangement for two pieces of paperboard. The arrangement comprises at least one flap (19) projecting from one piece, the leading portion (20) of which flap (19) is folded back about a waist section fold line (23). The leading portion (20) has laterally projecting portions (21) and is inserted through an opening (27) cut into the other piece of paperboard. The lateral projections (21) pass through the opening then tend to spring up so as to prevent withdrawal. The tip of the leading portion (20) remains held by the opening cut thereby ensuring that the flap (19) remains double thickness when engaged in the opening (27).
L'invention concerne un système permettant d'assembler par enchevêtrement deux morceaux de carton. Ledit système comprend au moins un volet (19) faisant saillie à partir d'un des morceaux de carton, dont la partie avant est rabattue autour d'une ligne de pliage (23) de la partie centrale. La partie avant (20) comporte deux parties (21) faisant saillie latéralement et est introduite dans une ouverture (27) découpée dans l'autre morceau de carton. Les saillies latérales (21) traversent ladite ouverture et ont tendance à remonter par un effet de ressort, ce qui empêche leur retrait. La pointe de la partie avant (20) est retenue par le bord de l'ouverture, ce qui garantit que le volet (19) conserve sa double épaisseur lorsqu'il est introduit dans l'ouverture (27).
Gowling Lafleur Henderson Llp
Riverwood International Corporation
LandOfFree
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