Blank for cup-shaped container of cardboard or the like

Details Blank for cup-shaped container of cardboard or the like Blank for cup-shaped container of cardboard or the like

1978-10-24

1980-04-22

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 35, B65D 524, B65D 540

Patent

active

041990978

ABSTRACT:
A blank is provided for a cup-shaped container to be fabricated of cardboard or the like. The container is of a type comprising substantially rectangular sides which extend upwardly from a bottom and which include rounded corners of the upper edge thereof and an edge flange which projects obliquely downwardly at an angle along the sides. The blank is formed as an integral unit comprising outwardly extending sides which are intergral with a bottom portion and which include a portion that is at least partially bowed when the blank is formed into the container and forms part of the edge flange of the formed container. The edge flange itself comprises an edge flange strip and a reinforcing strip defined by a pair of fold lines in the sides of the blank. V-shaped notches are provided in the bowed portion of the blank thereby enabling the reinforcing strip to extend along a straight line and to be attached to the edge flange strip in planar relationship, thereby providing a double folded edge flange which is folded outwardly and downwardly simultaneously with the sides of the blank being folded upwardly from the bottom portion.

REFERENCES:
patent: 2617579 (1952-11-01), Buttery
patent: 3863830 (1975-02-01), Christensson
patent: 4008848 (1977-02-01), Christensson
patent: 4014496 (1977-03-01), Christensson
patent: 4111352 (1978-09-01), Jorgensen et al.

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