WO2013030791A2 - Contenants et appareil - Google Patents

Contenants et appareil Download PDF

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Publication number
WO2013030791A2
WO2013030791A2 PCT/IB2012/054482 IB2012054482W WO2013030791A2 WO 2013030791 A2 WO2013030791 A2 WO 2013030791A2 IB 2012054482 W IB2012054482 W IB 2012054482W WO 2013030791 A2 WO2013030791 A2 WO 2013030791A2
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WO
WIPO (PCT)
Prior art keywords
base
indexing
container
flap
wall
Prior art date
Application number
PCT/IB2012/054482
Other languages
English (en)
Other versions
WO2013030791A3 (fr
Inventor
Craig Ronald Bonner
Christopher Michael Jury
Original Assignee
Carter Holt Harvey Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carter Holt Harvey Limited filed Critical Carter Holt Harvey Limited
Priority to AU2012303663A priority Critical patent/AU2012303663A1/en
Publication of WO2013030791A2 publication Critical patent/WO2013030791A2/fr
Publication of WO2013030791A3 publication Critical patent/WO2013030791A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/32—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper having bodies formed by folding and interconnecting two or more blanks each blank forming a body part, whereby each body part comprises at least one outside face of the box, carton or tray
    • B65D5/322—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper having bodies formed by folding and interconnecting two or more blanks each blank forming a body part, whereby each body part comprises at least one outside face of the box, carton or tray at least one container body part formed by folding a single blank to essentially U-shape with or without extensions which form openable lid elements
    • B65D5/323—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper having bodies formed by folding and interconnecting two or more blanks each blank forming a body part, whereby each body part comprises at least one outside face of the box, carton or tray at least one container body part formed by folding a single blank to essentially U-shape with or without extensions which form openable lid elements and two further opposed body panels formed from two essentially planar blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/001—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper stackable
    • B65D5/0015—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper stackable the container being formed by folding up portions connected to a central panel
    • B65D5/003—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper stackable the container being formed by folding up portions connected to a central panel having ledges formed by extensions of the side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/22—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form held erect by extensions of one or more sides being doubled-over to enclose extensions of adjacent sides

Definitions

  • the present invention relates to containers.
  • the present invention relates to containers erectable from at least one blank and/or plural blanks.
  • the present invention relates to stack indexable containers of such a kind that have an underbase flowpath transversely or longitudinally of a preferably at least partially quadrilateral periphery
  • the invention is directed to such a container having provision whereby, in a pallet stack situation, those stacks centrally of the pallet (i.e. peripherally surrounded by other such stacks on the same pallet) will nonetheless have provision for a flowpath under the base of every container.
  • the invention is directed to a container having base configurations whereby, base slump due to product weight bearing on the base of such a container is reduced.
  • the present invention has as an object therefore the provision of such containers or to at least provide the public with a useful choice.
  • the present invention may broadly be said to be a container (preferably stack indexable erectable from at least one blank) comprising : a base,
  • first wall(s) a first pair of opposed walls (whether planar or otherwise and whether constructed form a single panel or plurality of panels)
  • the second wall(s) a second pair of opposed walls (whether planar or otherwise and whether constructed form a single panel or plurality of panels)
  • the second wall(s) a second pair of opposed walls (whether planar or otherwise and whether constructed form a single panel or plurality of panels)
  • the lidding flaps optionally one or more lidding flaps from one or more wall(s);
  • the walls upstand from the base at/or adjacent its plan periphery; and wherein the base, when actually or notionally stack indexed on a like container or actually or notionally supported on a flat support surface, provides at least one flow path ("the under base flow path") clearance under the base from under one first wall to under the other first wall.
  • the present invention may broadly be said to be a stack indexable container erectable from at least one blank comprising :
  • first wall(s) a first pair of opposed walls (whether planar or otherwise and whether constructed from a single panel or plurality of panels)
  • the second wall(s) a second pair of opposed walls (whether planar or otherwise and whether constructed form a single panel or plurality of panels)
  • the second wall(s) a second pair of opposed walls (whether planar or otherwise and whether constructed form a single panel or plurality of panels)
  • the lidding flaps optionally one or more lidding flaps from one or more wall(s);
  • the walls upstand from the base at/or adjacent its plan periphery; and wherein the base, when stack indexed on a like container or supported on a flat support surface, provides at least one flow path ("the under base flow path") clearance under the base from under one first wall to under the other first wall.
  • the second walls, and any lidding flaps (whether from the first wall(s) and/or otherwise), provides a clearance as another flow path, this under any overlying stack indexed like container, the another flow path clearance under such overlying container being substantially orthogonally of the under base flow path.
  • the container when viewed in plan is substantially rectangular in its periphery, the plan periphery of the base being so shaped also.
  • said container includes openings and/or scallops in and/or the perimeter of the base whereby corresponding projections can index.
  • the arrangement for indexing is of any kind substantially as hereinafter described..
  • the container includes lidding flaps.
  • lidding flaps are from each of the first walls.
  • said second walls include scallops or other profiling in alignment with a gap between the lidding flaps when closed.
  • the base defines at least part of said at least one flow path ("the under base flow path") clearance under the base from under one first wall to under the other first wall.
  • Preferably only one of said under base flow path is defined.
  • the under base flow path is at least partially defined by virtue of the base being non planar.
  • the base is formed from a single panel.
  • the base defines a channel between one said first wall and the other said first wall.
  • the channel is at least in part defined by an arcuate section of said base.
  • the channel is trough shaped.
  • the channel is rectangular shaped.
  • the channel is trapezoidal shaped.
  • the base is formed from a single panel and wherein the channel is of a depth that is at least greater than the thickness of the panel defining the base.
  • the channel is of a depth that is at least greater than twice the thickness of the blank(s) defining the base.
  • the present invention may broadly be said to be a stack indexable container as herein described.
  • the present invention may broadly be said to be a stack indexable container substantially as herein shown in the accompanying drawings.
  • the present invention may broadly be said to be a container erectable from at least one blank to provide a base defining a tunnel to allow a flow path of air to be established under the container and four side walls upwardly extending from said base.
  • the container is rectangular in plan shape.
  • the flow path extends transversely or longitudinally of the container.
  • the container is formed from a plural of blanks.
  • the base is formed from a single panel.
  • the container is that of the bliss form or bliss style since it provides great strength for minimal material.
  • the container is constructed from three corrugated paperboard blanks (eg a fluted core with external liners), namely a body wrap and two opposed panel pieces that are adhered to each other in a construction to present the 4 sidewalls with a their flute run direction in a vertical manner.
  • corrugated paperboard blanks eg a fluted core with external liners
  • the pack can be lidded or it can be unlidded.
  • the pack can have end panel arrangements with an end panel and a hinged flanking panels or flaps or an asymmetric flanking panel or flap.
  • the bliss form body wrap blank can include square cut flanges of the wrap around or bevel or mitre cut versions.
  • the flute run direction of the corrugated paperboard of the blank defining the tunnel is parallel to the tunnel direction.
  • the flute run direction of the corrugated paperboard of the blank defining the tunnel is perpendicular to the tunnel direction.
  • the container can provide a tunnel reliant upon features substantially as hereinafter described with respect to an embodiment that provides for base lands between which there is a raised region..
  • the base comprises of a base lands between which there is a raised region.
  • each said land of the base is flanked by a transition uplifting to a wall defined land between which there is a recess in that wall.
  • the present invention may broadly be said to be a bliss form container having base or base to wall faceting to allow a passageway under the base.
  • the bliss form container is stack indexable and can be an End Wall Bliss (EWB) or a Side Wall Bliss (SWB) form of either embodiment hereafter discussed or otherwise.
  • EWB End Wall Bliss
  • SWB Side Wall Bliss
  • side wall passages are defined to provide vertical gas flow paths adjacent said container.
  • Preferably side wall passages are defined to provide vertical gas flow paths adjacent said container.
  • one or more of the gas flow paths are provided by a gap in or partitioning of the bliss style or bliss form flanges to overlie a separate blank (eg usually an end panel defining) component.
  • a gap or partition of the panel overlay flange of the body wrap blank may be defined so as to provide said vertical gas flow path.
  • the arrangement is such that there is a similar or corresponding type gap or partition of the up-folded flange (itself gapped or partitioned) from the base panel of the body wrap.
  • the vertical gas flow paths are defined by virtue of a gap or cut out in the outer most panel of a multi panel wall sandwich of said container, the next outer most panel of the multi panel wall sandwich defining part of the boundary of the vertical gas flow path.
  • the present invention may broadly be said to be a container comprising :
  • first wall(s) a first pair of opposed walls (whether planar or otherwise and whether constructed from a single panel or plurality of panels)
  • the second wall(s) a second pair of opposed walls (whether planar or otherwise and whether constructed form a single panel or plurality of panels)
  • the walls upstand from the base at/or adjacent its plan periphery to their upper edge or edges;
  • the base comprises two base land regions flanking one base plateau region that is proximate more the upper edge or edges of the walls than the base land regions, there being two transition regions one between the base plateau region and each of said base land regions, the transition regions defining stringer like support to said base, extending from one of said first walls to the other of said first walls.
  • the present invention may broadly be said to be a container comprising :
  • first wall(s) a first pair of opposed walls (whether planar or otherwise and whether constructed from a single panel or plurality of panels)
  • the second wall(s) a second pair of opposed walls (whether planar or otherwise and whether constructed form a single panel or plurality of panels)
  • the walls upstand from the base at/or adjacent its plan periphery to their upper edge or edges;
  • the container when stack indexed on a like container or supported on a flat support surface, provides at least one flow path ("the under base flow path") clearance under part of the base from under one first wall to under the other first wall.
  • the second walls (and any lidding flaps whether from the first wall(s) and/or otherwise), provide a clearance as another flow path, this under any overlying stack indexed like container, the another flow path clearance under such overlying container being substantially orthogonally of the under base flow path.
  • each of the first walls provides a scallop or rebate at its upper edge to be positioned under any overlying stack indexed like container beneath the base plateau region thereof, to provide additional clearance to the under base flow path.
  • the base land regions are planar regions of the base.
  • the base plateau region is a planar region of the base.
  • transitions regions are at least partially planar regions of the base.
  • the base land regions and the base plateau region are parallel planar regions of the base.
  • a planar portion of the transition regions extends at an angle to the plane of the base land regions and the base plateau region.
  • At least one of a first and second end walls is of a two panel assembly.
  • the span of the base plateau region in a direction parallel to the first side walls is less than the total of the spans of both base land regions in a direction parallel to the first end walls.
  • the span of the base plateau region in a direction parallel to the first side walls is equal to the total of the spans of both base land regions in a direction parallel to the first end walls.
  • the span of the base plateau region in a direction parallel to the first side walls is greater than the total of the spans of both base land regions in a direction parallel to the first end walls.
  • the span of the base plateau region in a direction parallel to the second side walls is equal to the span of each base land region in a direction parallel to the second end walls.
  • the span of the base plateau region in a direction parallel to the second side walls is equal to the span of each base land region in a direction parallel to the second end walls and equal to the span of the transition regions in a direction parallel to the second end walls.
  • the flute direction of the corrugated board is parallel to the tunnel direction.
  • the flute direction of the corrugated board is perpendicular to the tunnel direction.
  • the present invention may be broadly be said to be a container formed from a blank said container comprising
  • first wall(s) a first pair of opposed walls (whether planar or otherwise and whether constructed from a single panel or plurality of panels)
  • the second wall(s) a second pair of opposed walls (whether planar or otherwise and whether constructed from a single panel or plurality of panels)
  • the walls upstand from the base at/or adjacent its plan periphery each to an upper edge or edges (whether free edges or edges at which lid flaps are hingingly disposed);
  • the base defines a multi levelled container bottom the span of each level, taken in a direction parallel to the first walls, being less than the distance between the second pair of opposed side walls.
  • each level is planar.
  • the present invention may broadly be said to be a container formed from a blank, said container comprising
  • a rectangular or square base having two pairs of opposed sides, having stack indexing openings, and defining at least one tunnel profile opening to below, between a first pair of said sides,
  • an indexing wall having at least one projection indexable by one of said plurality of openings of the base of a like container in a stacking configuration, each indexing wall being derived from a flap sequence of two indexing wall flaps, each first indexing wall flap of each flap sequence being connected to the base by a fold line, and each second indexing wall flap of each flap sequence being connected to its first flap, and each indexing wall flap of each flap sequence having an extension flap at each of its ends, and
  • non-indexing wall whether having any indexing feature or not
  • wall flap non-indexable wall flap
  • each indexing wall and (b) each non-indexing wall being non- occlusive of the tunnel profile(s) of the base
  • extension flaps from each flap sequence are affixed directly or indirectly to the proximate non-indexing wall; and wherein the tunnel profile will define a passageway below the base when stack indexed with a like container or when positioned on a planar surface.
  • each said second indexing wall flap is beyond a fold-line extending substantially normal to said fold-line of said first indexing wall flap with the base.
  • the base is defined by single panel.
  • the tunnel profile translates into a non planar bottom of the container.
  • each non-indexing wall is non-occlusive of the tunnel profile(s) of the base.
  • the base comprises, at each of the second pair of sides of said base, a base land region, intermediate of which is a base a plateau region raised from said base land region.
  • the base comprises, juxtaposed each of the second pair of sides of said base, a base land region, intermediate of which is a base a plateau region raised from said base land region to define said tunnel profile and define a multi level bottom to said container.
  • said base plateau region is rectangular in plan shape.
  • said base plateau region is planar.
  • each of said base land regions is rectangular in plan shape.
  • each of said base land regions is planar.
  • first non indexing wall flap Preferably extending from each of the first pair of sides of said base, is a first non indexing wall flap, connected to said base by a fold line (first non-indexing wall flap fold line) at said base plateau region.
  • first non indexing wall flap Preferably extending from each of the first pair of sides of said base, is a first non indexing wall flap, connected to said base by a fold line (first non-indexing wall flap fold line) at said base plateau region only.
  • each base land region Preferably extending from each of the first pair of sides of said base, at each base land region, is a second non indexing wall flap, connected to said base by a fold line (second non-indexing wall flap fold line) at each said base land region.
  • each second base land region Preferably extending from each of the first pair of sides of said base, at each second base land region, is a second non indexing wall flap, connected to said base by a fold line (second non-indexing wall flap fold line) at each said base land region only.
  • said first non indexing wall flap spans, in a direction parallel to said first non-indexing wall flap fold line, greater than the span of the base plateau region in that direction.
  • said first non indexing wall flap spans, in a direction parallel to said first non-indexing wall flap fold line, the same total span of (a) both base land regions and (b) the base plateau region, in that direction when erected ..
  • the first non indexing wall flap defines at least part (and preferably all of) the upper edge of said non indexing wall.
  • each second non indexing wall flap spans, in a direction parallel to said second non indexing wall flap fold line, the same as or less than the span of its adjacent said base land region in that direction.
  • each second non indexing wall flap is, in an erected form of the container, separated from the first non indexing wall flap at each first pair of sides.
  • each second non indexing wall flap in contiguous, but separated by a cut of the blank, to said first on indexing wall flap.
  • a gap is defined between each said second non indexing wall flaps and said first indexing wall flap, when erected.
  • each first and second non indexing wall flaps are glue affixed to said extension flap(s).
  • each first and second non indexing wall flaps are glue affixed and captured between two extension flaps of each indexing wall at each first pair of sides.
  • a transition region extends between said base plateau region and each said base land regions.
  • each said transition region is separated from said plateau region and a said base region by a fold line.
  • each transition region bridges between the base plateau region and each of said base land regions, the transition region being non parallel to the base land regions and the base plateau region, each transition region extending from one of said first end walls to the other of said first end walls.
  • transitions regions are at least partially and preferably entirely planar regions of the base.
  • a planar portion of the transition regions extends at an angle to the plane of the base land regions and the base plateau region.
  • each said transition region is separated from said plateau region and a said base region by a fold line, said fold lines being parallel each other.
  • the blank at said base at each said first pair of sides is, at said transition regions, a free edge.
  • the first and second non indexing wall flap fold lines at each first pair of sides are coaxial each other..
  • said container when stack indexed on a like container or supported on a flat support surface, provides at least one flow path ("the under base flow path") clearance under part of the base from under one first wall to under the other first wall at said tunnel profile opening.
  • the under base flow path at least one flow path
  • each indexing wall is non-occlusive of the tunnel profile(s) of the base.
  • the base comprises, at each of the first pair of sides of said base, a base land region, intermediate of which is a base a plateau region raised from said base land region.
  • the base comprises, juxtaposed each of the first pair of sides of said base, a base land region, intermediate of which is a base a plateau region raised from said base land region to define said tunnel profile and define a multi level bottom to said container.
  • the container is formed from a single blank.
  • the base is of a single panel thickness.
  • the tunnel profile is rectangular in form..
  • the tunnel profile is elongate and straight.
  • the tunnel profile is of constant cross section taken at any location along its length
  • said container is formed from a corrugated board and the flute run direction in the container is vertical in the indexing walls and the extensions.
  • the base is rectangular.
  • each indexing wall and (b) each non indexing wall includes a rebate positioned to correspond to a tunnel profile of a like container positioned on top of said container.
  • the rebate is positioned to juxtapose said channel formation.
  • the rebate creates a larger effective mouth to the channel formation.
  • said first pair of sides is that of the shorter sides but this need not necessarily be the case.
  • each indexing wall flap sequence there are plural indexing projections defined by each indexing wall flap sequence.
  • indexing walls defined by indexing wall flap sequences are inwardly inclined. In others they are not inwardly inclined.. In some forms of the present invention the openings of the base for the indexing projections extend around into the lower region of an indexing wall as a scallop in each case..
  • the indexing projection is from one only of the flaps of a flap sequence yet in other embodiments it can be a return of a projection from one flap of a flap index that is reaffixed (e.g. in a manner substantially as hereinafter described).
  • each of the second indexing wall flaps fold inwardly to define a gusset
  • each wall of the second pair of sides of the base is indexed by its projection(s) into a superimposed base and each superimposed base, under load, is in part supported at said gusset configuration.
  • the indexing walls and the extensions of the indexing wall flaps are load supporting.
  • the present invention may broadly be said to be a container formed from a blank, said container comprising :
  • a rectangular base having opposed longer sides and opposed shorter sides, having openings, and defining at least one tunnel profile that opens as a channel to below between a first pair of said sides,
  • each indexing wall having at least one projection indexable into or to an opening of a base of a like container, being a flap sequence of two indexing wall flaps extending from the side of the second pair of sides, a first indexing wall flap of each flap sequence being connected to the base by a fold line, and the second indexing wall flap of each flap sequence being connected to the first flap, and each indexing wall flap of each flap sequence having an extension flap at each of its ends,
  • non-indexing wall whether with indexing features or not
  • each non-indexing wall being derived from at least one non-indexing wall flap
  • each said indexing walls and (b) each said non indexing walls is not occlusive of the channel of the tunnel profile of the base, extending from its side of the first pair of sides of said base;
  • each second indexing wall flap extension is either (i) at least partially adhesively attached to an adjacent non-indexing wall flap or (ii) is at least partially attached to the at least partially adhesively attached to at least partially attached other indexing wall flap extension of the same flap sequence; and wherein the tunnel profile(s) define(s) a passageway under the base when on a planar support surface or index stacked with a like container.
  • the blank is a single blank of single direction flute run corrugated paperboard formed to provide a vertical flute run in the indexing walls and in the extensions.
  • each said second indexing wall flap is beyond a fold-line extending substantially normal to said fold-line of said first indexing wall flap with the base.
  • the indexing projections can be one or more, and of any form, on either the shorter or longer walls.
  • One set of the extensions optionally can triangulate a corner..
  • the present invention may broadly be said to be a channel bottomed container formed from a blank, the blank itself having been cut (by any means) from a sheet of a laminate which includes at least one corrugated core layer which defines a flute run direction, said container comprising or including a rectangular or square base when considered in plan,
  • indexing walls each provided by a flap sequence of two indexing wall flaps extending from each of two opposed sides of said base, the first indexing wall flap of each flap sequence being connected to the base at a first fold line, the second indexing wall of each flap sequence being connected to its associated first indexing wall flap at least by a second fold line parallel to its said first fold line, and each indexing wall flap of each flap sequence having an extension flap at each end thereof beyond a fold line (or curvature commencement) extending substantially normal to said first and second fold lines, and
  • non-indexing wall flap extending from each of the other two sides of said base
  • said container has said second indexing wall flap of each flap sequence inwardly of its associated first indexing wall flap and one or both of the flap extensions at each end of that flap sequence is directly affixed to a non indexing wall flap,
  • each associated first and second indexing wall flap of an indexing wall flap sequence there is defined an indexing projection stack indexable, or a plurality of indexing projections each stack indexable, by an identical container reliant on a cutout, or cutouts, of the blank which, or each of which, in the erected container provides an accessible (or accessible) from below indexing opening or scallop, and wherein, an extension flap of each second indexing wall flap at least in part triangulates (in a straight, curved and/or other manner) a corner directly or indirectly (i.e.
  • each base defines a downwardly opening channel to provide a passageway below the base, the said channel being open at each end below one of (a) each indexing wall and (b) each non-indexing wall.
  • the present invention may broadly be said to be a container formed from a blank of a laminate having a corrugated flute run direction, said container comprising or including :
  • a rectangular base having an opposed pair of longer sides and an opposed pair of shorter sides, said base (at least in part) including a plurality of openings, indexing walls, each provided by a flap sequence of two indexing wall flaps extending from each of the sides of a pair of sides of said rectangular base, a first indexing wall flap of each flap sequence being connected to the base by a fold line, and the second indexing wall flap of each flap sequence being connected by a hinging transition to the first indexing wall flap, and each indexing wall flap of each flap sequence having an extension flap beyond a fold-line extending normal or substantially normal to said fold-line of said first indexing wall flap with the base, and
  • non-indexing walls (whether with indexing features or not) each provided by at least one non-indexing wall flap extending from each one of the other sides of said base,
  • each indexing wall flap sequence has been folded to define an upwardly directed indexing wall
  • each wall flap of each indexing wall flap sequence of a said indexing wall has, as the connection providing hinging transition between the two wall flaps, at least one hinging transition above the level of which there is at least one indexing projection provided, or each provided, by some of the blank material that projects from one wall flap of that sequence and then returns back to adhere to at least part of that and/or the other indexing wall flap of the same indexing wall, the or each projection being indexable by one of said plurality of openings (at least in part) of the base of another erected like container in or when in a stacking relationship therewithin,
  • the blank by a cut between wall flaps of a flap sequence and transverse to the flute run direction, has provided a cut edge or edges of each wall flap of an indexing wall flap sequence that is or are above the level of the or each hinging transition of that indexing wall,
  • said base defines a downwardly open channel to provide a passageway below the base, the said channel being open at each end below one of (a) each non-indexing wall and (b) each indexing wall.
  • the present invention may broadly be said to be a container formed from a blank, the blank itself having been cut (by any means) from a sheet of a laminate which includes at least one corrugated core layer which defines a flute run direction, said container comprising or including :
  • indexing walls each being derived from a flap sequence ("indexing wall flap sequence") of two wall flaps ("indexing wall flaps”) extending from each of two opposed sides of said base, the first indexing wall flap of each indexing flap sequence being connected to the base at a first fold line, the second indexing wall of each indexing wall flap sequence being connected to its associated first indexing wall flap by a second fold line parallel to its said first fold line, and each indexing wall flap of each flap sequence having an extension flap at each end thereof beyond a fold line (or curvature commencement) extending substantially normal to said first and second fold lines, and
  • non-indexing walls each derived in part from at least one wall flap ("non-indexing wall flap") extending from one of the other two sides of said base, and that wall flap being supported in the wall by at least part of each of said extension flaps,
  • said container has said second indexing wall flap of each indexing wall flap sequence inwardly of its associated first indexing wall flap and one or both of the flap extensions at each end of that indexing wall flap sequence is directly affixed to a non indexing wall flap,
  • each associated first and second indexing wall flap of an indexing wall flap sequence there is defined at least one indexing projection stack indexable, or each stack indexable, by an identical container reliant on a cut, or cuts, of the blank which in the erected container provide an accessible (or accessible) from below opening(s) and/or scallop(s) for that purpose,
  • each second indexing wall flap at least in part triangulates (in a straight, curved and/or other manner) a corner directly or indirectly to the non indexing wall flap to define in conjunction with part of said first indexing wall flap at the corner and with part of the adjacent non-indexing wall (and optionally with part of the flap extension of the first indexing wall) a column like vertical load supporting structure,
  • each indexing projection is flanked on at least one side in its indexing wall by a hinging transition which involves said second fold line between its first indexing wall flap and its second indexing wall flap,
  • said base defines a downwardly opening channel to provide a passageway below the base (when the container is on a planar support or is stack indexed) and said channel is open at each end below a non-indexing wall.
  • the present invention may broadly be said to be a channel bottomed container erected with use of adhesive from a one piece blank of corrugated paperboard, the paperboard being of a kind having a fluted core lined by a liner sheet on each side;
  • the container has at least a rectangular or square base with four peripheral walls and a column or reinforcement in each corner;
  • each of two opposed walls are of double thickness of the corrugated paperboard and each of such walls has one or more upwardly extending indexing feature(s) indexable to the bottom of a like container for stack indexing; and wherein each indexing feature is immediately flanked on each flank in the wall by a hinge yet upwardly directed cross cut flutes of each thickness of the double thickness of the corrugated board in the wall are in the wall further away from the indexing feature said each hinge immediately flanks, and such cross cut flutes are at least at the level of, and not below, the upper most liner sheet of the corrugated paperboard in the hinge;
  • the present invention may broadly be said to be a channel bottomed container formed from a blank of a laminate having a corrugated flute run direction, said container comprising or including :
  • a rectangular base when viewed in plan, having an opposed pair of longer sides and an opposed pair of shorter sides, said base including a plurality of openings,
  • indexing walls each being derived from a flap sequence ("indexing wall flap sequence") of two wall flaps ("indexing wall flaps”) extending from each of the sides of a pair of sides of said rectangular base, a first indexing wall flap of each indexing flap sequence being connected to the base by a fold line, and the second indexing wall flap of each indexing flap sequence being connected to the first flap, and each indexing wall flap of each flap sequence having an extension flap beyond a fold-line extending normal or substantially normal to said fold-line of said first indexing wall flap with the base, and
  • non-indexing walls opposed walls
  • wall flap non-indexing wall flap
  • each indexing wall flap sequence folded to define an upwardly directed (preferably slightly inwardly inclined) indexing wall, and, in the erected form, above a transition between each sequence of the first indexing wall flaps and second indexing wall flaps there is or are defined by the indexing wall at least one projection, the or each projection being indexable by one of said plurality of openings of the base of another erected container in a stacking configuration
  • each wall flap of each indexing wall flap sequence has, as the transition therebetween, at least one hinging axis above which some of the blank material projects from one wall flap, and wherein there is at least one hinging zone at the transition resulting from the non cutting fully of the blank material along the transition such that there is defined at the top of each indexing wall both (i) at least one exposed flute end cut region for direct bearing under a like container in a stacking condition and (ii) at least one hinging link;
  • said base defines a downwardly opening channel to provide a passageway below the base and said channel is open at each end below the respective wall thereby to provide for a passageway below part of the base from one side to the other even when the container is on a planar support or is stack indexed with a like container.
  • the channel has each end thereof, below a non-indexing wall.
  • the present invention may broadly be said to be a channel bottomed container formed from a blank, the blank itself having been derived (eg. cut) from a sheet of a laminate which includes at least one corrugated core layer which defines a flute run direction, said container comprising or including :
  • indexing walls each derived from a flap sequence of two indexing wall flaps extending from each of two opposed sides of said base, the first indexing wall flap of each flap sequence being connected to the base at a first fold line, the second indexing wall of each flap sequence being connected to its associated first indexing wall flap at least by a second fold line parallel to its said first fold line, and each indexing wall flap of each flap sequence having an extension flap at each end thereof beyond a fold line or curvature commencement extending substantially normal to said first and second fold lines, each said extension flap extending to a distal cut, and
  • non-indexing walls each derived in part from a non indexing wall flap extending from each of the other two sides of said base, wherein said container has said second indexing wall flap of each flap sequence inwardly of its associated first indexing wall flap and one or both of the flap extensions at each end of that flap sequence is directly affixed by a region to, or adjacent to, its distal cut to a non indexing wall flap,
  • indexing projection stack indexable or a plurality of indexing projections each stack indexable, by an identical container reliant on a cutout, or cutouts, of the blank which, or each of which, in the erected container provides an accessible from below indexing opening or scallop;
  • each indexing wall is or are at least largely derived from a cutout from the material of its first indexing wall flap and remaining integral with, and in alignment with, the material of its second indexing wall flap,
  • each second indexing wall flap at least in part, triangulates (in a straight, curved and/or other manner) a corner directly or indirectly (ie, via the other extension flap) to the non indexing wall flap to define in conjunction with part of said first indexing wall flap at the corner and with part of the adjacent non-indexing wall (and optionally with part of the flap extension of the first indexing wall) a column like vertical load supporting structure, and wherein the or each indexing projection is flanked on either side in its indexing wall
  • said base defines a downwardly opening channel from below one wall to below its opposite and said channel is open at each end below the respective wall.
  • the present invention may broadly be said to be a blank erectable to provide a stack indexable container having a channelled bottom and having four walls peripherally of the base when viewed in plan, said blank defining from a sheet material :
  • a rectangular or square base having stack indexing openings and erection indexing openings, and adapted to define a channel, or already defining a channel that opens or is to open downwardly,
  • a flap sequence of two indexing wall flaps extending from each of two opposed sides of said base, the first indexing wall flap of each flap sequence being connected to the base at a first fold line, the second indexing wall of each flap sequence being connected to its associated first indexing wall flap at least by a second fold line parallel to said first fold line and having at least one indexing region derived from material beyond said second fold line, and one or each indexing wall flap of each flap sequence having an extension flap at each end thereof beyond a fold line or curvature commencement extending substantially normal to said first and second fold lines, and
  • a flap sequence of a non indexing wall flaps extending from each of the other two sides of said base, the first non-indexing wall flap of the sequence being connected to the base at a fold line in such a way as not to prevent channel formation of, or retention in, the base and a second non-indexing wall flap of the sequence being foldable relative to the first flap of the sequence reliant on one or more fold lines or a fold zone between said non-indexing wall flaps;
  • each said indexing wall flap sequence has the indexing wall flaps with the second indexing wall flap inwardly of, but contiguous to, its first indexing wall flap and the indexing region or regions upstanding as one or more indexing projection, or projections, to be insertable, or each to be insertable, into an opening of a base of a like container, and with the extension flaps captive between the non-indexing wall flaps;
  • said base defines a channel to provide a passageway below the base and said channel is open at each end below the respective wall.
  • the channel is to extend from under one non indexing wall to under the other in the erected container.
  • the present invention may broadly be said to be a channel bottomed index stackable container formed from one or more blanks of a corrugated paperboard, the container having four wall assemblies, each rising from a channel profiled rectangular or square base (i.e. at least rectangular or square when viewed in plan);
  • those two opposed walls assemblies under which the channel does not extend are of double thickness of corrugated paperboard of the blank(s), each with a vertical flute run;
  • those two opposed walls under which the channel extends are each of a single thickness of corrugated paperboard upfolded from the base and such upfolded corrugated paperboard has a horizontal flute run.
  • those two opposed walls under which the channel extends are each of a single thickness of corrugated paperboard upfolded from the base on both flanks of the channel which opens downwardly, and such upfolded corrugated paperboard has a horizontal flute run.
  • the base comprises
  • each transition region extending from one of said two opposed walls under which the channel extends to the other of said two opposed walls under which the channel extends.
  • those two opposed walls under which the channel extends are each of a single thickness of corrugated paperboard and comprise of a first panel upfolded from a first base land region of the base and a second panel upfolded from a second base land region of the base and a third panel upfolded from a base plateau region of the base, such first second and third panels having a horizontal flute run.
  • the horizontal flute run corrugated paperboard is attached directly or indirectly to two or more vertical flute run fold around extensions from the other wall assemblies.
  • the indexing arises from one or more projection feature up from each of those walls of double corrugated paperboard thickness, such projections being of any thickness or form, and being index receivably from below by a like container.
  • Preferably all walls have vertical flute run load bearing regions in a stack indexing condition.
  • the walls of double corrugated paperboard are derived from a sequence from the base to define a flap or panel ("flap") and a dependant flap or panel ("flap") and a dependent flap or panel (“flap”), and optionally those flaps are mutually hinged or articulated either without reliance on the indexing projection(s) or with reliance (i.e. by hinging through a bridge connection) on the indexing projections..
  • the base land regions are planar regions of the base.
  • the base plateau region is a planar region of the base.
  • transitions regions are at least partially planar regions of the base.
  • the base land regions and the base plateau region are parallel planar regions of the base.
  • a planar portion of the transition regions extends at an angle to the plane of the base land regions and the base plateau region.
  • the span of the base plateau region in a direction parallel to the two opposed walls under which the channel extends is less than the total of the spans of both base land regions in a direction parallel to the two opposed walls under which the channel extends.
  • the span of the base plateau region in a direction parallel to the two opposed walls under which the channel extends is equal to the total of the spans of both base land regions in a direction parallel to the two opposed walls under which the channel extends.
  • the span of the base plateau region in a direction parallel to the two opposed walls under which the channel extends is greater than the total of the spans of both base land regions in a direction parallel to the two opposed walls under which the channel extends.
  • the span of the base plateau region in a direction parallel to the two opposed walls under which the channel does not extend is equal to the span of each base land region in a direction parallel to the two opposed walls under which the channel does extend.
  • the span of the base plateau region in a direction parallel to the two opposed walls under which the channel does not extend is equal to the span of each base land region in a direction parallel to the two opposed walls under which the channel does not extend and equal to the span of the transition regions in a direction parallel to the two opposed walls under which the channel does not extend.
  • the present invention also consists in the blanks of or for, as well as the container itself, of any of the containers herein typified by reference to any one or more of the accompanying drawings..
  • stack indexable in respect of containers, preferably but not necessarily, refers to containers of a kind having projections able to be inserted into openings or scallops of a pack above. Nevertheless other stack indexing forms are contemplated as being within the scope of the present invention. Some of these can include, for example, variations of the "P84" known type container.
  • stack indexable is to be interpreted broadly in respect of any form of container able to be stacked one above another in an aligned stack and where plurals stacks on a pallet (with a slip sheet supported or not) are to be used in close proximity.
  • “land” or “lands” refers to a region of a blank, whether in part bounded by a foldline or not or in part bounded by intermediate region(s) or not, set apart from a region of the blank (preferably the same panel) that would otherwise be in substantially planar or curvilinear alignment.
  • This invention may also be said broadly to consist in the parts, elements and features referred to or indicated in the specification of the application, individually or collectively, and any or all combinations of any two or more of said parts, elements or features, and where specific integers are mentioned herein which have known equivalents in the art to which this invention relates, such known equivalents are deemed to be incorporated herein as if individually set forth.
  • Figure 1 is a perspective view of one side of a side wall bliss container form showing, when on a flat support surface, an under base tunnel defined by a concave base and capable of being retained in a stack indexing condition,
  • Figure 2 is a view from above of the container of Figure 1,
  • Figure 3 shows the three blank components of a container of Figures 1 and 2, and showing the vertical flute run direction
  • FIG 4 is another view from above of the concave base side wall bliss container shown in Figures 1 and 2,
  • Figure 5 is a side view of a different embodiment to that of Figures 1 to 4, this embodiment being an end wall bliss container, nonetheless having transversely of its major longitudinal direction a concave base to provide a tunnel even when supported as shown on a flat surface,
  • Figure 6 shows a container as in Figure 5 with like containers in a stacked mutually indexed condition, upward projections of the end wall blank components being received into openings of the body wrap component,
  • Figure 7 is a perspective view from a corner of the end wall bliss container form of Figures 5 and 6 shown with both lid flaps from the side walls (provided by the body wrap) in a closed condition,
  • Figure 8 shows the blank components of the end wall bliss form of container shown in Figures 5 to 7 and showing the vertical flute run direction
  • Figures 9A to 9C show some erector tooling concepts for a container of a kind previously described
  • Figure 10 is a view in perspective of one side of a side wall bliss container form showing a rectangular under base tunnel when on a flat support surface, such a base preferably also being retainable in a stack indexing condition,
  • Figure 11 is a view from below of the container of Figure 10,
  • Figure 11 a-d shows in cross section through part of the base, variations of construction of the regions of the base plateau, base land and base transition regions,
  • Figure 12 shows the three blank components of a container of Figures 10 and 11 and showing the vertical flute run direction
  • Figure 13 shows a stack of two containers like that of figure 10 and wherein the blanks make provision for vertical venting up the side walls by virtue of the body wrap fold over flaps having gaps between themselves, but wherein only a single vent is shown at the top of the wall,
  • Figure 14 is a blank, on its own erectable into a container form of a kind comprising 2 opposed indexing walls and two opposed non indexing walls the indexing projections formed at an indexing wall flap sequence of two wall flaps, hingingly engaged to each other at a hinge or fold line at the top of the indexing projections, there being two such projections on each indexing wall,
  • Figure 15 is a perspective view of the container formed from the blank of figure 14, there being no corner gusset formations at each corner between adjacent indexing walls and non indexing walls,
  • Figures 16-21 show the forming sequence of the blank of figure 14,
  • Figure 22 is a variation on the blank of figure 14 wherein provision is made in the blank for the formation of corner gusset formation at each corner between adjacent indexing walls and non indexing walls,
  • Figure 23 is a perspective view of the container formed from the blank of figure 22, there being corner gusset formations at each corner between adjacent indexing walls and non indexing walls,
  • Figure 24 is blank, on its own erectable into a container form of a kind comprising 2 opposed indexing walls and two opposed non indexing walls the indexing projections formed at an indexing wall flap sequence of two wall flaps, hingingly engaged to each other at a hinge or fold line at the top of the two wall flaps, there being two such projections on each indexing wall, and where provision is made by the blank for the formation of formation of corner gusset formation at each corner between adjacent indexing walls and non indexing walls
  • Figure 25 is a perspective view of the container formed from the blank of figure 24, there being corner gusset formations at each corner between adjacent indexing walls and non indexing walls,
  • Figures 26-31 show the forming sequence of the blank of figure 24,
  • Figure 32 shows a partially formed container of the blank of figure 24
  • Figure 33 shows a bland non gusset form version of the blank of figure
  • Figure 34 is blank, on its own erectable into a container form of a kind comprising 2 opposed indexing walls and two opposed non indexing walls the indexing projections formed at an indexing wall flap sequence of two wall flaps, hingingly engaged to each other at a hinge or fold line at the top of the two wall flaps, there being two such projections on each indexing wall formed as a single thickness pop up from one of the wall flaps, and where provision is made by the blank for the formation of formation of corner gusset formation at each corner between adjacent indexing walls and non indexing walls,
  • Figure 35 is a perspective view of the container formed from the blank of figure 34, there being corner gusset formations at each corner between adjacent indexing walls and non indexing walls,
  • Figures 36 to 41 show the forming sequence of the blank of figure 34
  • Figure 42 shows a blank of non gusset form version of the blank of figure
  • Figure 43 is a perspective view of the container formed from the blank of figure 42, there being no corner gusset formations at each corner between adjacent indexing walls and non indexing walls.
  • the containers may utilise suitable corrugated paper board and adhesive such as that used in our DEFORTM range.
  • One blank may be formed to define the container.
  • the containers may be formed from a plurality of blanks formed and adhered together such as in our bliss forms of containers.
  • the container of either form can be manufactured from any suitable sheet material but preferably a corrugated paper board such as any of the kinds used hither to by us in our DEFORTM range.
  • a corrugated paper board such as any of the kinds used hither to by us in our DEFORTM range.
  • a 3 piece blank as shown in figure 3 and 8 namely a body wrap component 1 and two other blank components 2 to provide two opposed panel pieces in the final assembly.
  • the blank run direction of the flute is as shown by the arrows in Figures 3 and 8.
  • the side wall bliss form has the body wrap component 1 defining end wall panels that are reinforced by flap sequences from the inserts.
  • the body wrap component couples with two other blank components 2 which preferably are identical.
  • the body wrap component 1 may be adapted to provide a concavity with base panel regions 3 and 4 that are preferably between base land regions 5 that are to provide base lands between which there is or can be created, a tunnel.
  • the base land regions provide spaced support regions for the base when supported on a level surface or when the container is stacked on top of a like container.
  • This embodiment relies on base panel faceting to define both the concavity and the lands thereby to define a tunnel.
  • Each region 3, 4, 5 is of a span in a direction parallel to the normal of the panel 13, substantially equal to the distance between the opposed panels 13 when the container is erected.
  • Each region in a direction parallel to the normal of the panels 10 are each substantially less than the distance between the two opposed panels 10 when the container is erected .
  • hinge, fold or transition zones 26 each extending parallel to each other and parallel to the fold lines 100.
  • regions 3, 4 and 5 have attachment flanges 6, 7 and 8 respectively.
  • Base land regions 5 may include indexing openings 9 to the foldline 100 or adjacent or including the foldline 100 to the panel 10 at each end.
  • Panel 10 preferably includes a central scallop 11 to assist ventilation.
  • the panel 10 each side has a flap 12.
  • the two other blank components 2 define a panel 13 that is preferably hinged to a lidding flap 14 which has openings 15 to clear indexing projections to be described. There may also be vent openings 16.
  • the edge 102 and any adjacent wall panel to lidding flap hinge line, defines the upper edge of the wall panel.
  • the panel 13 transitions into a flap 17 to provide indexing projection 18 as an upstand region and for which panel 13 provides a corresponding recess 19.
  • the projection 18 may have a hinge line 20 to a return flap 21. This flap 21 may be glued back onto the flap 17. There is a corresponding recess 22 to that of 19.
  • the region 21 comes from a flap extension 23 hinged at 24 on either flap of the indexing projection 18 and preferably set to expose end flute at 25.
  • lands 5 support the weight of the container despite there being the tunnel.
  • the flap 21 is preferably adhered back onto the surface of the flap 17.
  • Figures 5-7 arises from the blanks of Figure 8 and this provides an end wall bliss form with a base concavity.
  • the body wrap 27 and two other components 28 there is a body wrap 27 and two other components 28.
  • the two other components 28 define the panel 29 with indexing projections 30 and attachment flanges 31.
  • the body wrap 27 of Figure 8 defines a base 33 with indexing openings 34 near the foldline 101 or at the foldline 101 or including the foldline 101 to attachment flanges 35.
  • the base of the container has a base periphery. It is preferably
  • the base is preferably defined by a base panel. There is preferably only one panel defining the base panel.
  • Panels 36 carry a transition region 37 from the base as shown which will facilitate, with the curvilinear or faceting gusset/bevel facet or other transition arrangement, the panels 36 to be/remain substantially upright relative to the base yet allow the base to contour upwardly between what will be lands provided by the regions between 38.
  • orientation can be changed but this is less preferred.
  • Figures 9A and 9B show an erector tooling concept suitable for the embodiments.
  • the challenge is to apply a heat melted adhesive 900 and fold the double end of the bliss component forward.
  • the concept is similar to current inline folding. Immediately the turnover is complete the flat can be ploughed to contact the mandrel. To form the set in the vented base an opposing force is required (in this respect see Figure 9C).
  • Heavy duty folding plates can be used with an over centre lock. These would come in just prior to compression plates and release the same time as the compression plates.
  • Figures 10- 13 show a variation of the side wall bliss of figures 1 to 4 where the base defines a non-arcuate form of tunnel but a more rectangular or trapezoidal tunnel. The majority of the regions of the base panel 42 each remain planar.
  • this side wall bliss form has the body wrap component 44 defining panels 47 to define at least part of the second walls, reinforced by flap sequences from the two other components 45 and 46.
  • the two other components 45 and 46 are preferably identical.
  • the body wrap component 44 is adapted to provide a tunnel base formed from the base panel 42.
  • the base panel 42 is formed to define a base plateau region 52 flanked by base land regions 50 intermediate of which are transition regions 51.
  • the base plateau region and transition regions exist between the base land regions 50.
  • the base land regions 50 are to provide lands between which there is a tunnel 55 when the container is stacked on a like container or a flat surface 59.
  • the land regions provide spaced support regions for the base when supported on a level surface 59 of when the container is stacked on top of a like container as shown in figure 13.
  • This embodiment relies on base panel 43 faceting to define both the base plateau region and the lands thereby to define a tunnel.
  • Fold or crease or curvature regions may be provided between each of said base land region and adjacent wall flap (fold line 62) and transition region (fold line 61) and between the base plateau region and each transition region (fold line 60). These fold lines may define a hard corner between blank regions or a more radiied transition. Variations are shown as examples in figures 11 a-d.
  • the base is preferably only of a single panel thickness across all its regions.
  • base plateau region 52 has attachment flanges 63.
  • Each base land region 50 has flanges 64.
  • Base land regions 50 include indexing openings 66 to the foldline 62 or adjacent or including the foldline 62 to the panels 47 at each end.
  • Panels 47 preferably include a central scallop 65 to assist ventilation.
  • Each panel 47 may have at each side a flap 67.
  • the two other blank components 45 and 46 define a panel 56 to at least partially define the first wall. That is preferably hinged to a lidding flap 57 which has openings 68 to clear indexing projections to be described. There are also vent openings 69.
  • edge 103 and any adjacent wall panel to lidding flap hinge line, defines the upper edge of the wall panel 56.
  • the panel 56 transitions into a flap 70 to provide a projection 71 as an upstand region and for which panel 56 provides a corresponding recess 72.
  • the projection 71 has a hinge line 73 to a return flap 75. This flap may be glued back onto the flap 70.
  • the return flap 75 comes from a flap extension 76 hinged at 77 on either side of the projection 71 and set to expose end flute at 85.
  • lands 50 support the weight of the container despite there being the tunnel.
  • the flap 75 is preferably adhered back onto the surface of the flap 70.
  • the attachment flanges 63, 65, 67 may be provided in a confirmation so that when glued to the wall 56, vent slots 78 may be provided to allow gas flow to pass in there through. This can facilitate the passing of gas between vertical walls of adjacent panels.
  • the base plateau region 52 is preferably planar and preferably parallel to the flat surface 59 the container may be placed on. In a direction parallel to the preferred flute direction as shown in figure 12 the span of the base plateau is less than the end wall to end wall distance d of the container. Likewise the span of each and the total of the base land regions in this direction is less than then distance d.
  • the span of the base plateau region in a direction perpendicular to the preferred flute direction indicated in figure 12 is substantially the same as the distance between the wall to wall distance e.
  • the span of the base land regions and the transition regions are preferably identical.
  • the depth f of the channel formation is preferably greater than the thickness of the blank. It is preferably more than twice the thickness of the blank and preferably more than 3 times the thickness.
  • the tunnel formation is preferably centrally positioned. It is preferably of a width g (defined by the formed base plateau regions and/or transitions regions) that is greater than the span of a said base land region in that direction. Width g is preferably the same or preferably about the same as the total span of both base land regions in that direction.
  • the flute direction of the corrugated board is parallel to the tunnel direction.
  • the flute direction of the corrugated board is perpendicular to the tunnel direction.
  • a plurality of concave, rectangular or otherwise quadrilateral shaped tunnels may be defined by each container are herein described.
  • Panels and/or flanges and/or flaps and various combinations thereof that end up overlying each other may, where appropriate be glued together. This may be achieved off site or at a pack house by machine although it is envisaged that at least part of the assembly of the containers herein described may be done by hand .
  • Advantages of the tunnel formation include better and more rapid cooling and/or reduce differential cooling of produce contained in the containers.
  • the side wall slots herein described may also facilitate with these advantages.
  • the base of the container is split into sectors and intermediate of sectors, the transition region is provided.
  • the transition region is preferably planar or at least partially planar.
  • the normal to the plane may extend at an angle to gravity (not parallel thereto) when the container is normally supported.
  • the plane of the transition in hence not parallel to the base plateau region nor base land regions.
  • transition acts as a beam or stringer in this configuration offering vertical support along the peripheral edge of the base plateau region and base land region from which is extends. At such regions if no transition regions were provided, no vertical support would be provided to the base where the container is stacked on top of a like container. Hence the provision of the transition provides additional vertical support to the base at regions intermediate of the walls. At or near each end of the transition region, the transition region gains direct or indirect support of a vertical wall of the container below and/or the vertical wall of its own container. This at least in part results in the transition offering strength in a beam or stringer like manner to the base plateau region and/or the base land region. Ie the second moment of inertia of the base is enhance from being planar to including the stinger like formations.
  • Figure 14 there is shown a blank for a container, the blank 200 being of a single piece.
  • the blank is planar and made from corrugated board.
  • the preferred flute direction is indicated.
  • the flute direction is to provide vertical flute run throughout the flap sequence 201, that are to form the second side walls of the container.
  • FIG. 15 An erected form of a container formed from the blank of Figure 14 is shown in Figure 15 and comprises first walls 202 (which are preferably non-indexing walls preferably formed from at least a plurality of flaps of the blank, the flaps preferably providing a single thickness wall upfolded from a base 204) and second walls 203 (preferably the indexing wall, formed from a flap sequence or indexing wall flap sequence 201 as shown in Figure 14).
  • the first wall is preferably the wall under which a channel extends and which will hereinafter be further described.
  • first walls each at opposite sides of the plan periphery 205 and 206 of the base 204.
  • the plan peripheries 205 and 206 each define a side of the base 204.
  • Each first wall 202 is preferably formed from a plurality of flaps, namely the first non-indexing wall flap 207 and a pair of second non-indexing wall flaps 208. These are able to be upfolded from the base along respective first non-indexing wall flap foldlines and a second non-indexing wall flap foldlines 209 and 210, located at the side of the base 205 and 206 respectively for each end wall.
  • Each indexing wall flap sequence 201 will define the second wall and comprises of a first indexing wall flap 213 that is connected to the base at the foldline extending along the plan periphery 212 and a second indexing wall flap 214 connected to the first indexing wall flap 213 at foldlines 216.
  • first and second indexing wall flaps 213/214 are separated from each other by projection regions 217 of each flap respectively, that in an erected form will define indexing projections 218 at each second wall 203.
  • indexing projections in a stacked configuration of a plurality of like containers engage into corresponding openings 219 of the base.
  • Relief regions 220 at the free edge 221 of the second indexing wall flap 214 may also be provided to accommodate the indexing projections 218.
  • openings 219 located along each of the opposed plan periphery or sides of the base 211 and 212.
  • At least one and preferably both of the first indexing wall flap and second indexing wall flap 213/214 each have at each of its ends 222, an extension flap 223 and 224.
  • the extension flaps 223 and 224 are connected to its respective indexing wall flap by a foldline 225 and 226.
  • the extension flaps 223 and 224 are affixed directly or indirectly to the first walls, preferably to each of the plurality of flaps 207 and 208 of the first wall.
  • the extension flaps 223 and 224 may sandwich parts of the first wall or alternatively both extension flaps 223 and 224 may be positioned to one side of the first wall.
  • Such affixing is preferably by the utilisation of an adhesive.
  • the provision of the extension flaps 223 and 224, locating at the first wall, will provide vertical flute direction reinforcement at the first wall. Preferably the flute is exposed at an uppermost edge or part thereof, at the first wall.
  • the base 204 comprises of a base plateau region 230 flanked by two base land regions 231 intermediate each of which there are two base transition regions 232.
  • transition regions 232 are each connected to the base plateau region 230 and a respective base land region 231 at foldlines 233.
  • the foldlines 233 are parallel to each other and parallel to the foldline at the plan periphery 211 and 212 of the base.
  • the span of the foldlines is substantially equal to the distance between the opposed plan periphery 205 and 206, being substantially the distance between the opposed first walls.
  • the foldlines 233 facilitate in the moving out of a plane parallel to the base plateau region plane 204 and base land region planes 231 so as to allow for the transition region 232 to extend in an angle thereto and thereby define a tunnel profile 234 of the base 204.
  • each transition region 232 remains substantially planar and its plane extends preferably at an angle, preferably at 90 degrees to the planes of the base land regions 231 and base plateau regions 230.
  • the planes of the base land regions 231 and the base plateau region 230 are preferably parallel.
  • the span in direction SI of the base plateau region 204 is less than the distance between the opposed second walls.
  • the span in direction S2 of the base plateau region 230 is preferably substantially the same as the distance between the opposed first walls.
  • the span in direction S2 of the base land regions 231 and of the transition regions 232 are preferably the same as that of the base plateau region 230.
  • the normal to the plane of the first end walls is preferably parallel to the plane of the base plateau region, base transition regions and base land regions.
  • the tunnel direction is preferably through the two first walls, these being where there is a doubling up of layers of the blank that are glued together and thereby provide high load bearing capacity. This in turn offers greater support to the base transition regions and base land regions of a container stacked on top.
  • the base 204 is defined by a single panel of the blank rather than any multi panel construction. Hence preferably the base is entirely of a single panel thickness.
  • the height H of the transition regions 232 defines the depth D of the tunnel profile 234.
  • This tunnel profile hence defines the flowpath or flowpath clearance for gas such as air to pass under the container and to expose central regions 240 of the base 204 to such flow to facilitate cooling of the containment region of the container.
  • each second wall includes a scallop or scallop region or rebate 242 positioned to be located adjacent a tunnel profile of a container that may be stacked on top.
  • This scallop 242 will increase the effective mouth opening of the channel formation at each of its ends.
  • scallop or rebate formations 245 may also be provided to facilitate with venting.
  • Figure 22 shows a variation of the blank of Figure 14 wherein the extension flaps 223 comprise of a first flap region 246 and a gusset flap region 247 intermediate of the first flap region 246 and the second extension flap 214.
  • the gusset flap region 247 in an erected form of the blank defines a gusset formation 248 at each corner of the container.
  • This gusset formation is preferably not adhered to any other panel, flap or component of the container whereas the flap region 246 is adhered to the first wall.
  • the triangulation so formed at the corner provides a column like vertical supporting structure.
  • Figure 24 shows a gusset corner version of an alternative form of a blank to that shown in Figure 14 wherein the indexing projections 218A are formed in a different manner.
  • the indexing projections 218A are formed as a partial pop-up and return form from the extension flaps in a manner so that the foldline 249 between the first and second extension flaps 213A and 214A is not defined by the indexing projection 218A.
  • the indexing projection 218A comprises of a first upstand region 250 and a second upstand region 251 the second upstand region 251 folding back down and to be vacated against the first end wall flap 213A.
  • the regions 250 and 251 are hinged relative to each other at foldline 252.
  • the first indexing wall flap 213A and second indexing wall flap 214A are folded relative to each other at foldlines 260 each flanking immediately adjacent the indexing projections 218A.
  • cuts 261 formed to thereat separate the first indexing wall flap and second indexing wall flap so that when the container is formed, at these cuts, exposed flute 261 is presented.
  • the or each hinging transition of the second walls are hence flanked on either side by the hinging transition of connecting the two wall flaps together and further outwardly having upwardly exposed cut flute that is preferably above the level of the hinging transition.
  • the opposed second walls for the versions of the container shown in figures 14-33 may have a slight inwards incline towards each other so that the their indexing formations are better positioned to engage in openings of the base of a container above.
  • Figure 34 illustrates a variation of the blank as shown in Figure 14 it providing a gusset formation at each corner of the container and wherein the indexing projection 218B is a pop-up projection of a single thickness of panel only.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Abstract

L'invention concerne un contenant (de préférence indexable en pile et pouvant être monté à partir d'au moins une découpe) comprenant une base, une première paire de parois opposées et une seconde paire de parois opposées, et éventuellement un ou plusieurs rabats de couvercle partant d'une ou de plusieurs parois ; les parois se dressent à partir de la base, et la base, lorsqu'elle est réellement ou théoriquement indexée en pile sur un contenant similaire ou réellement ou théoriquement supportée sur une surface plane de support, ménage au moins un passage qui s'étend sous la base d'une première paroi à l'autre.
PCT/IB2012/054482 2011-09-02 2012-08-31 Contenants et appareil WO2013030791A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2012303663A AU2012303663A1 (en) 2011-09-02 2012-08-31 Containers and apparatus

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
NZ594975 2011-09-02
NZ59497511 2011-09-02
NZ596248 2011-11-07
NZ59624811 2011-11-07
NZ597796 2012-01-24
NZ59779612 2012-01-24

Publications (2)

Publication Number Publication Date
WO2013030791A2 true WO2013030791A2 (fr) 2013-03-07
WO2013030791A3 WO2013030791A3 (fr) 2014-11-06

Family

ID=47756988

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/054482 WO2013030791A2 (fr) 2011-09-02 2012-08-31 Contenants et appareil

Country Status (2)

Country Link
AU (1) AU2012303663A1 (fr)
WO (1) WO2013030791A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017007424A1 (fr) * 2015-07-03 2017-01-12 Lam Zhi Loong Dispositifs et procédés intermodaux

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1541924A (en) * 1977-11-16 1979-03-14 Ashton Containers Rectangular box for the transport of small livestock
WO1987002966A1 (fr) * 1985-11-08 1987-05-21 Portapax Limited Flans servant a former des cartons
EP2371727A1 (fr) * 2010-03-30 2011-10-05 IFCO Systems GmbH Caisse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1541924A (en) * 1977-11-16 1979-03-14 Ashton Containers Rectangular box for the transport of small livestock
WO1987002966A1 (fr) * 1985-11-08 1987-05-21 Portapax Limited Flans servant a former des cartons
EP2371727A1 (fr) * 2010-03-30 2011-10-05 IFCO Systems GmbH Caisse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017007424A1 (fr) * 2015-07-03 2017-01-12 Lam Zhi Loong Dispositifs et procédés intermodaux

Also Published As

Publication number Publication date
WO2013030791A3 (fr) 2014-11-06
AU2012303663A1 (en) 2013-05-09

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