Container made of cardboard or the like material and blank...

B - Operations – Transporting – 65 – D

Patent

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229/13

B65D 5/02 (2006.01) B65D 5/42 (2006.01)

Patent

CA 1213253

ABSTRACT OF THE DISCLOSURE The present invention provides a container of card- board or similar material comprising a base, side wall on said base, flaps foldably connected to the side walls at respective fold lines for closing the container, two of said flaps being dust flaps which are foldable to close the con- tainer and two other of said flaps being lid flaps which are foldable on the dust flaps to cover the same, said dust flaps and lid flaps having adjoining edges of conforming shape, the adjoining edges of said dust flaps extending beyond the fold lines between the dust flaps and the respective side walls thereof to form peak regions joined to the fold lines between the lid flaps and associated side walls, said edges of said dust flaps in said peak region being of concave curvature, and means for bonding said flaps together follow- ing closing of the container by folding the lid flaps on the dust flaps, said peak regions acting to form a dust-tight closure at the resulting corners of the container, the side walls for the dust and lid flaps being at an angle to one another, said dust flaps having free leading edges which are convexly curved, said dust flaps being provided with slits which extend from the leading edges of the dust flaps to form tongues in said dust flaps.

415603

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