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US 5,181,651 AGranted
Paperboard asparagus carton
AssigneeInternational Paper Company
InventorPaul J. Oppenheim
Life of this patent
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AssigneeInternational Paper Company
InventorPaul J. Oppenheim
Estimating the term…
An asparagus carton and a unitary blank for forming it. The blank is of corrugated paperboard. The carton interior is tapered along opposite side walls by virtue of slanting side spacer panels. This yields a trapezoidal configuration of a part of the carton interior to more nearly correspond to the tapered form of a mass of asparagus. The carton is preferably loaded from the bottom. The asparagus may be inspected by opening a side wall panel, and may also be opened from the top. In addition to providing slanting side walls, the side spacer panels permit the loaded carton to be lifted through side wall openings without contacting the asparagus. In a first embodiment, the bottom of the carton may be opened by releasing a bottom tongue and slot latch arrangement, while in a second embodiment the bottom of the carton is defined by known interlocking panels.
A paperboard carton formed from a unitary corrugated paperboard blank, the carton having a top closure, four side panels, each said side panel having a lower edge and an upper portion, and a bottom closure, said bottom closure including a plurality of at least partially overlapped bottom panels, said bottom panels foldably joined to respective lower edges of said side panels, said four side panels forming a rectangular tube, having three vertical edges formed by integral junctions of the side panels, two adjacent said side panels each having a free edge to thereby define two free side panel edges, first means releasably joining said free side panel edges together to form a fourth vertical edge of said rectangular tube, said top closure including two at least partially overlapped top panels, each of said at least two top panels foldably joined to the upper portion of a respective side panel, one of said at least two top panels having second means for securing it to the carton to releasably close it to the carton, two opposite of said four side panels each having a side spacer panel foldably joined to the upper end of a respective said opposite side panel, each side spacer panel positioned interiorly of the carton, whereby the carton can be releasably opened from either the top, or from one side.
A unitary paperboard blank for forming a carton of generally rectangular parallelepiped shape, the blank having a plurality of horizontal and vertical fold lines defining a plurality of panels, four side panels foldably secured in a horizontal row together in series, the row having two middle and two endmost panels, each said side panel having an upper and a lower portion, each of the two endmost of said four side panels having a free side edge not connected to any other of said panels, each free edge having means to couple it to the other free edge, to thereby permit the formation of a rectangular tube, said means allowing opening and reclosing of one of said side panels when the carton is formed, a plurality of bottom forming panels secured to respective lower portions of at least some of said side panels, a side spacer panel foldably secured to the upper portion of each of two alternate of said side panels by spaced, horizontal, parallel fold lines, a top closure panel foldably joined to the upper portion of at least one of the remaining two, non-alternate side panels of said four side panels.
Dependencies are inferred from the claim text.