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US 5,042,684 AGranted
Bag-less box for flowable materials
AssigneeGeorgia-Pacific Corporation
InventorsThomas West, Paul Jagielski
Life of this patent
Estimating the term…
Abstract
A bag-less box for flowable materials constructed of a preferably single-wall outer covering, a preferably triple wall liner glued to the inner panel surfaces thereof, and a lid positionable on the outer covering when folded in and assembled. The outer covering is formed by cutting and folding a corrugated blank to define interconnected panels, top flaps and bottom flaps. Gusset fold areas are formed by diagonal through-cuts in the bottom flaps at flap corners adjacent the panels. With the gusset fold areas and the bottom flaps folded in, a self-sealing box bottom is defined such that a liner bag is not needed.
Claims50
A bagless-box for flowable materials, said box comprising:
- an outer covering comprising a corrugated blank, said blank being formed to define first, second, third and fourth serially-connected rectangular panels, said panels being separated from one another along longitudinal panel fold lines, and each said panel having a panel top edge and an opposite panel bottom edge, first, second, third and fourth top flaps connected to said respective panel top edges along panel top edge fold lines, first, second, third and fourth bottom flaps connected to said respective panel bottom edges along panel bottom edge fold lines, and an attachment flap extending out from one of said panels and connected thereto by a flap fold line, said first and third bottom flaps each including a triangular gusset fold area at each corner adjacent said first and third panels and defined by diagonal through-cut lines in and extending entirely through said first and third bottom flaps;
- and
- a liner secured to inside surfaces of said first, second, third and fourth panels.
A container comprising a blank including:
- a plurality of serially connected side panels forming sides for the container when assembled, each pair of adjacent side panels being separated by at least one longitudinal fold line;
- and
- a plurality of closure panels in general alignment with one another and attached to said side panels such that one said closure panel is attached to each side panel, each said closure panel being separated from said side panel to which it is attached by at least one lateral fold line, each closure panel defining a proximate edge contiguous with the lateral fold line of said closure panel and a distal edge remote from said proximate edge, each pair of adjacent closure panels being separated by a cut line extending completely through said blank across the entire length of said cut line, each said cut line having first and second segments, each said first segment extending from said distal edge to a medial position between said proximate and distal edges in a direction generally parallel to said longitudinal fold lines, and each said second segment extending from said medial position to said proximate edge in a different direction angularly oriented to said first segment.
A container comprising a blank having an inner surface and an outer surface, said inner surface defining an interior of said container when assembled and said outer surface defining an exterior of said container when assembled and wherein said blank has a generally uniform thickness, said blank further including:
- a plurality of serially interconnected side panels, each said side panel being separated from adjacent side panels by at least one longitudinal fold line, said side panels forming sides of the container when assembled;
- a plurality of closure flaps, each said closure flap being attached to one of said side panels, each said closure flap being separated from its attached side panel by a lateral fold line, said closure flaps defining an end of the container orthogonal to said sides thereof;
- a plurality of gussets, each said gusset being positioned adjacent a pair of said closure flaps and one of said lateral fold lines, each said gusset including a medial fold line defining said gusset into a first segment and a second segment, each said gusset being positioned in a corner of said container when assembled such that the outer surfaces of each said gusset are placed into abutting relationship with each other to seal the corners of the container against leakage of material placed in the container, wherein adjacent ones of said closure flaps are separated by first cut lines extending generally parallel to said longitudinal fold lines, wherein each said gusset is triangular in shape and defined by a second cut line angularly oriented in a non-parallel relationship to one of said first cut lines, one of said lateral fold lines, and an auxiliary fold line extending generally parallel to one of said longitudinal fold lines, and wherein said first and second cut lines extend entirely through said thickness of said blank.
A container comprising a blank including:
- a plurality of side panels serially interconnected and in general alignment with one another, each said side panel being separated from adjacent side panels by at least one longitudinal fold line;
- a plurality of closure flaps in general alignment with one another, said closure flaps each defining first and second opposite edges, said closure flaps each further being attached to one of said side panels along said second edge, each said attached closure flap and side panel being separated by a lateral fold line, said closure flaps being separated from one another by cut lines;
- and
- a plurality of corner gussets positioned adjacent said lateral fold lines, each said gusset having a generally triangular configuration defined by one of said lateral fold lines, a free edge which extends between one of said cut lines and one of said lateral fold lines, and a fold line in general linear alignment with one of said longitudinal fold lines, each said gusset defining a corner fold line which extends between its free edge and its lateral fold line in a direction generally orthogonally oriented relative to said free edge, and wherein said blank defines a generally uniform thickness and in which said free edge of each said corner gusset includes the entire thickness of said blank and the entire thickness of said free edge is completely severed.
1 more element
Dependencies are inferred from the claim text.