EP0696543B1 - Storage and/or transit stacking of articles - Google Patents

Storage and/or transit stacking of articles Download PDF

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Publication number
EP0696543B1
EP0696543B1 EP19950305046 EP95305046A EP0696543B1 EP 0696543 B1 EP0696543 B1 EP 0696543B1 EP 19950305046 EP19950305046 EP 19950305046 EP 95305046 A EP95305046 A EP 95305046A EP 0696543 B1 EP0696543 B1 EP 0696543B1
Authority
EP
European Patent Office
Prior art keywords
tray
channels
stack
topping
articles
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP19950305046
Other languages
German (de)
French (fr)
Other versions
EP0696543A1 (en
Inventor
Michael Christopher Embleton
Jeffrey Graham Pitt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FORMOLD Ltd
Original Assignee
FORMOLD Ltd
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 FORMOLD Ltd filed Critical FORMOLD Ltd
Publication of EP0696543A1 publication Critical patent/EP0696543A1/en
Application granted granted Critical
Publication of EP0696543B1 publication Critical patent/EP0696543B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/70—Trays provided with projections or recesses in order to assemble multiple articles, e.g. intermediate elements for stacking

Definitions

  • This invention relates to storage and/or transit stacking of bottles or other articles, and to trays for use therein, the stack being of the kind in which the bottles or other articles stand upright side by side with one another in a plurality of arrays with the arrays stacked one upon the other on individual trays, and the tops of the articles of the uppermost array are engaged within socket recesses in the under-surface of a further tray of moulded-sheet form which tops off the stack and which includes elongate channels extending between the socket recesses.
  • a stack of said above-specified kind characterised in that the channels are in the under-surface of the topping-off tray, and that the channels intersect, and are deeper than, the socket recesses such that the channels configure upstanding ribs on the tray upper-surface that are unbroken in longitudinal continuity at the recess locations.
  • a tray for topping off a stack of bottles or other articles wherein the tray is of a moulded-sheet form having socket recesses in its under-surface to engage with the tops of the articles standing side by side with one another in the uppermost array of the stack, and elongate channels extend between the socket recesses, the tray being characterised in that the channels are in the under-surface of the topping-off tray, and that the channels intersect, and are deeper than, the socket recesses such that the channels configure upstanding ribs on the tray upper-surface that are unbroken in longitudinal continuity at the socket recess locations.
  • the topping-off tray referred to in both of the preceding paragraphs may have a down-turned peripheral rim, and may be of thermoformed sheet-plastics.
  • the socket recesses may each have a surrounding flank that flares down into the respective recess to assist with nesting the topping-off tray down onto the tops of the articles.
  • the channels may be substantially parallel to one another, and may each run unbroken in longitudinal continuity substantially the full length of the tray.
  • three hundred identical glass bottles 1 are loaded together on a wooden pallet 2 to stand upright side by side with one another in five rectangular arrays of five rows each, that are stacked one upon the other.
  • Five identical moulded-sheet trays 3 are included in the stack to locate and retain the bottles 1 together in the five arrays, and a special, sixth moulded-sheet tray 4 stands on the tops of the bottles 1 in the fifth, uppermost array, to top off the stack.
  • the stack is bonded tightly together by bands (not shown) that encircle it from top to bottom and/or within a shrink-film envelope.
  • a tray 3 of the first, bottom array of the stack stands directly on the pallet 2 with the bottles 1 of that array standing upright side by side in the tray 3, and with a tray 3 of the second array standing on the tops of those bottles 1.
  • the bottles 1 of the second array similarly stand upright in their tray 3, and a third tray 3 of the next, third array stands on them.
  • the trays 3 are each, for example, of a form as described in GB-A-2240326 so that the bottoms of the bottles 1 are located within individual sockets or recesses of the tray on which they stand, and the tops of the bottles 1 in the first to fourth arrays engage in individual, cylindrical socket recesses in the trays standing upon them.
  • the tops of the bottles 1 of the fifth array engage in individual sockets recesses of the tray 4, and the resultant interlocking of the bottles 1 from tray to tray and array to array throughout the stack, endows the stack with a significant measure of inherent rigidity and stability.
  • the topping-off tray 4 is of a special form having, in particular, an enhanced rigidity as compared with the trays 3 so as to ensure that its engagement with the tops of the bottles 1 of the uppermost array is maintained during handling and transportation of the stack.
  • the tray 4 is shown in greater detail in Figures 2 to 5 and will now be described.
  • the tray 4 is of rectangular sheet form having reciprocally configured upper- and under-surfaces 5 and 6 respectively, and a down-turned peripheral rim 7.
  • the under-surface 6 is configured to define substantially-cylindrical recesses 8 that locate in register with the tops of the individual bottles 1 of the uppermost array. More particularly, each recess 8 is generally cylindrical to conform closely to the shaping of the bottle-top and has a surrounding flank 9 that flares down in diameter into the recess 8.
  • the tray 4 Strengthening of the tray 4 to ensure that engagement of the bottle-tops within the recesses 8 is maintained throughout handling and transportation of the stack, is provided by upstanding ribs 10 on its upper-surface 5.
  • the ribs 10, which have chamfered ends and run the full length of the tray 4, are configured by deep channels 11 that are moulded into the under-surface 6.
  • the channels 11 run parallel to one another along respective rows, each cutting centrally through the recesses 8 of its row.
  • the depth of the channel 11 in each case is greater than that of the recesses 8 so that the ribs 10 project above the pocket-projections 12 that are manifested on the upper-surface 5 by the recesses 8.
  • the longitudinal continuity in this respect of the channels 11 (and correspondingly of the ribs 10) through the locations of the recesses 8, enhances rigidity of the tray 4 significantly.
  • the ribs 10 enhance the rigidity of the tray 4 in withstanding the weight of other stacks loaded on top, but more particularly, assist in withstanding tendency of the uppermost tray to bow upwardly under vibration and shock experienced during handling and transportation of the stack.
  • the top tray of a stack when tightly bound has a tendency under such shock and/or vibration to bow upwardly in the middle to an extent that may be sufficient to break its engagement with the tops of the bottles of the upper array.
  • the ribs 10 running through the top-engaging recesses 8 give a continuity of strengthening along the full row-length that has been found to overcome the bowing problem to a substantial extent, in a simple and economical way.
  • the rim 7 adds to the rigidity, especially laterally of the rows.
  • the tray 4 is thermoformed from a sheet of high-impact polystyrene or of a plastics material based on a blend of polystyrene and polyethylene.
  • the sheet which for example, may have a thickness of 2 mm, is thermoformed over a male mould to the configuration of the under-surface 6.
  • the mould is located on a platform that has a thickness of some 18 mm so that the tray 4 is formed with the peripheral, downwardly depending rim 7 to that depth.
  • each recess 8 (top of the pocket-projection 12) may be ridged for strength, and its cylindrical wall may be grooved axially (as indicated in Figure 5) for restraining the engaged bottle against rotation.
  • the tops of some types of bottle have one or more vertical bars which will engage with the grooving to restrain bottle rotation.
  • bottles 1 in the example described above are empty and without closure caps, it will be appreciated that the tray described is readily adapted to the stacked storage and/or transit of filled and capped bottles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stackable Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Description

This invention relates to storage and/or transit stacking of bottles or other articles, and to trays for use therein, the stack being of the kind in which the bottles or other articles stand upright side by side with one another in a plurality of arrays with the arrays stacked one upon the other on individual trays, and the tops of the articles of the uppermost array are engaged within socket recesses in the under-surface of a further tray of moulded-sheet form which tops off the stack and which includes elongate channels extending between the socket recesses.
An example of the stacking of bottles using a stack of the above-specified kind, is described in GB-A-2240326 where the same form of tray of moulded-sheet form is used for topping-off the stack as for the trays on which the bottles stand (the preambles of claims 1 and 7 are based on this prior art). Each tray has strengthening ridges that are defined in the tray under-surface by elongate channels which extend in the upper-surface between the socket recesses, and although this form of tray has adequate strength and suitability for use within the stack itself, there are circumstances in which enhanced rigidity is required of the topping-off tray. It is an object of the present invention to provide a stack of said above-specified kind, and a form of topping-off tray for use therein, suitable for meeting this requirement.
According to one aspect of the present invention there is provided a stack of said above-specified kind, characterised in that the channels are in the under-surface of the topping-off tray, and that the channels intersect, and are deeper than, the socket recesses such that the channels configure upstanding ribs on the tray upper-surface that are unbroken in longitudinal continuity at the recess locations.
According to another aspect of the invention, there is provided a tray for topping off a stack of bottles or other articles, wherein the tray is of a moulded-sheet form having socket recesses in its under-surface to engage with the tops of the articles standing side by side with one another in the uppermost array of the stack, and elongate channels extend between the socket recesses, the tray being characterised in that the channels are in the under-surface of the topping-off tray, and that the channels intersect, and are deeper than, the socket recesses such that the channels configure upstanding ribs on the tray upper-surface that are unbroken in longitudinal continuity at the socket recess locations.
The topping-off tray referred to in both of the preceding paragraphs may have a down-turned peripheral rim, and may be of thermoformed sheet-plastics. The socket recesses may each have a surrounding flank that flares down into the respective recess to assist with nesting the topping-off tray down onto the tops of the articles. Furthermore, the channels may be substantially parallel to one another, and may each run unbroken in longitudinal continuity substantially the full length of the tray.
A stack of bottles including a topping-off tray in accordance with the present invention, will now be described, by way of example, with reference to the accompanying drawings, in which:
  • Figure 1 shows the stack of bottles according to the invention;
  • Figures 2 and 3 are plan views from above and below, respectively, of part of the topping-off tray of the stack of Figure 1; and
  • Figures 4 and 5 are sectional side elevations of the topping-off tray of the stack, the sections of Figures 4 and 5 being taken on the lines IV-IV and V-V, respectively, of Figure 2.
    • Referring to Figure 1, three hundred identical glass bottles 1 are loaded together on a wooden pallet 2 to stand upright side by side with one another in five rectangular arrays of five rows each, that are stacked one upon the other. Five identical moulded-sheet trays 3 are included in the stack to locate and retain the bottles 1 together in the five arrays, and a special, sixth moulded-sheet tray 4 stands on the tops of the bottles 1 in the fifth, uppermost array, to top off the stack. The stack is bonded tightly together by bands (not shown) that encircle it from top to bottom and/or within a shrink-film envelope.
    A tray 3 of the first, bottom array of the stack stands directly on the pallet 2 with the bottles 1 of that array standing upright side by side in the tray 3, and with a tray 3 of the second array standing on the tops of those bottles 1. The bottles 1 of the second array similarly stand upright in their tray 3, and a third tray 3 of the next, third array stands on them. This stacking arrangement in which each successive array of bottles 1 stands in its individual tray 3 on the array beneath, is repeated for the third to fifth arrays.
    The trays 3 are each, for example, of a form as described in GB-A-2240326 so that the bottoms of the bottles 1 are located within individual sockets or recesses of the tray on which they stand, and the tops of the bottles 1 in the first to fourth arrays engage in individual, cylindrical socket recesses in the trays standing upon them. The tops of the bottles 1 of the fifth array engage in individual sockets recesses of the tray 4, and the resultant interlocking of the bottles 1 from tray to tray and array to array throughout the stack, endows the stack with a significant measure of inherent rigidity and stability.
    The topping-off tray 4 is of a special form having, in particular, an enhanced rigidity as compared with the trays 3 so as to ensure that its engagement with the tops of the bottles 1 of the uppermost array is maintained during handling and transportation of the stack. The tray 4 is shown in greater detail in Figures 2 to 5 and will now be described.
    Referring to Figures 2 to 5, the tray 4, is of rectangular sheet form having reciprocally configured upper- and under- surfaces 5 and 6 respectively, and a down-turned peripheral rim 7. The under-surface 6 is configured to define substantially-cylindrical recesses 8 that locate in register with the tops of the individual bottles 1 of the uppermost array. More particularly, each recess 8 is generally cylindrical to conform closely to the shaping of the bottle-top and has a surrounding flank 9 that flares down in diameter into the recess 8. The flaring down of the flanks 9 into the recesses 8 assists with the nesting of the tray 4 on the tops of the bottles 1; as the tray 4 is pushed down onto the uppermost array, so the tops of the bottles 1 are guided positively for firm and full reception and engagement in their individual recesses 8.
    Strengthening of the tray 4 to ensure that engagement of the bottle-tops within the recesses 8 is maintained throughout handling and transportation of the stack, is provided by upstanding ribs 10 on its upper-surface 5. The ribs 10, which have chamfered ends and run the full length of the tray 4, are configured by deep channels 11 that are moulded into the under-surface 6. The channels 11 run parallel to one another along respective rows, each cutting centrally through the recesses 8 of its row. The depth of the channel 11 in each case is greater than that of the recesses 8 so that the ribs 10 project above the pocket-projections 12 that are manifested on the upper-surface 5 by the recesses 8. The longitudinal continuity in this respect of the channels 11 (and correspondingly of the ribs 10) through the locations of the recesses 8, enhances rigidity of the tray 4 significantly.
    In the latter respect, the ribs 10 enhance the rigidity of the tray 4 in withstanding the weight of other stacks loaded on top, but more particularly, assist in withstanding tendency of the uppermost tray to bow upwardly under vibration and shock experienced during handling and transportation of the stack. The top tray of a stack when tightly bound (for example within a shrink-film envelope) has a tendency under such shock and/or vibration to bow upwardly in the middle to an extent that may be sufficient to break its engagement with the tops of the bottles of the upper array. With the tray 4 of the present invention, however, the ribs 10 running through the top-engaging recesses 8 (rather than between them), give a continuity of strengthening along the full row-length that has been found to overcome the bowing problem to a substantial extent, in a simple and economical way. The rim 7 adds to the rigidity, especially laterally of the rows.
    The tray 4 is thermoformed from a sheet of high-impact polystyrene or of a plastics material based on a blend of polystyrene and polyethylene. The sheet, which for example, may have a thickness of 2 mm, is thermoformed over a male mould to the configuration of the under-surface 6. The mould is located on a platform that has a thickness of some 18 mm so that the tray 4 is formed with the peripheral, downwardly depending rim 7 to that depth.
    The closed bottom of each recess 8 (top of the pocket-projection 12) may be ridged for strength, and its cylindrical wall may be grooved axially (as indicated in Figure 5) for restraining the engaged bottle against rotation. In the latter respect, the tops of some types of bottle have one or more vertical bars which will engage with the grooving to restrain bottle rotation.
    Although the bottles 1 in the example described above are empty and without closure caps, it will be appreciated that the tray described is readily adapted to the stacked storage and/or transit of filled and capped bottles.

    Claims (12)

    1. A stack in which bottles or other articles (1) stand upright side by side with one another in a plurality of arrays with the arrays stacked one upon the other on individual trays (3), and the tops of the articles (1) of the uppermost array are engaged within socket recesses (8) in the under-surface (6) of a further tray (4) of moulded-sheet form which tops off the stack and which includes elongate channels (11) extending between the socket recesses (8), characterised in that the channels (11) are in the under-surface (6) of the topping-off tray (4), and that the channels (11) intersect, and are deeper than, the socket recesses (8) such that the channels (11) configure upstanding ribs (10) on the tray upper-surface (5) that are unbroken in longitudinal continuity at the recess locations (12).
    2. A stack according to Claim 1 wherein the topping-off tray (4) has a down-turned peripheral rim (7).
    3. A stack according to Claim 1 or Claim 2 wherein the socket recesses (8) each have a surrounding flank (9) that flares down into the respective recess (8) to assist with nesting the topping-off tray (4) down onto the tops of the articles (1).
    4. A stack according to any one of Claims 1 to 3 wherein the channels (11) are substantially parallel to one another.
    5. A stack according to Claim 4 wherein each channel (11) runs unbroken in longitudinal continuity substantially the full length of the topping-off tray (4).
    6. A stack according to any one of Claims 1 to 5 wherein the topping-off tray (4) is of thermoformed sheet-plastics.
    7. A tray for topping off a stack of bottles or other articles (1), wherein the tray (4) is of a moulded-sheet form having socket recesses (8) in its under-surface (6) to engage with the tops of the articles (1) standing side by side with one another in the uppermost array of the stack, and elongate channels (11) extend between the socket recesses (8), characterised in that the channels (11) are in the under-surface (6) of the topping-off tray and that the channels (11) intersect, and are deeper than, the socket recesses (8) such that the channels (11) configure upstanding ribs (10) on the tray upper-surface (5) that are unbroken in longitudinal continuity at the recess locations (12).
    8. A tray according to Claim 7 having a down-turned peripheral rim (7).
    9. A tray according to Claim 7 or Claim 8 wherein the socket recesses (8) each have a surrounding flank (9) that flares down into the respective recess (8) to assist with nesting of the tray (4) down onto the tops of the articles (1).
    10. A tray according to any one of Claims 7 to 9 wherein the channels (11) are substantially parallel to one another.
    11. A tray according to Claim 10 wherein each channel (11) runs unbroken in longitudinal continuity substantially the full length of the tray (4).
    12. A tray according to any one of Claims 7 to 11 wherein the tray (4) is of thermoformed sheet-plastics.
    EP19950305046 1994-07-19 1995-07-18 Storage and/or transit stacking of articles Expired - Lifetime EP0696543B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    GB9414513 1994-07-19
    GB9414513A GB9414513D0 (en) 1994-07-19 1994-07-19 Storage and/or transit stacking of articles

    Publications (2)

    Publication Number Publication Date
    EP0696543A1 EP0696543A1 (en) 1996-02-14
    EP0696543B1 true EP0696543B1 (en) 1998-10-14

    Family

    ID=10758535

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP19950305046 Expired - Lifetime EP0696543B1 (en) 1994-07-19 1995-07-18 Storage and/or transit stacking of articles

    Country Status (3)

    Country Link
    EP (1) EP0696543B1 (en)
    DE (1) DE69505317T2 (en)
    GB (2) GB9414513D0 (en)

    Families Citing this family (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB2416530B (en) * 2004-07-27 2007-12-05 Linpac Mouldings Ltd Tray
    US7677405B2 (en) 2006-11-21 2010-03-16 Rehrig Pacific Company Crate for containers
    US7735676B2 (en) 2008-02-18 2010-06-15 Rehrig Pacific Company Crate for containers
    US10730676B2 (en) 2016-09-28 2020-08-04 Dean Foods Company Caseless container tray
    USD854423S1 (en) 2016-09-28 2019-07-23 Dean Foods Company Container tray

    Family Cites Families (9)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US3338406A (en) * 1965-12-20 1967-08-29 Dow Chemical Co Carton construction
    GB1197059A (en) * 1966-11-18 1970-07-01 Reginald Hobbs Packaging of Containers
    US3650395A (en) * 1970-01-22 1972-03-21 Reginald John Hobbs Shrink wrap package having the containers therein in contacting relation
    IT1037841B (en) * 1975-05-05 1979-11-20 Anic Spa METHOD FOR PACKAGING CONTINUOUS WIRE SUPPORTS
    US4213529A (en) * 1979-04-20 1980-07-22 Frank B. Robb Means for stacking and shipping containers in multiples
    US4911300A (en) * 1987-07-27 1990-03-27 Ralph Colonna Container packaging system
    GB9001825D0 (en) 1990-01-26 1990-03-28 Formold Ltd Article-retaining trays
    DE69204581T2 (en) * 1991-07-02 1996-04-18 Formold Ltd Stacking items for storage and / or transit.
    FR2679878B1 (en) * 1991-07-31 1993-10-29 Saint Gobain Emballage PALLETISING TRAYS.

    Also Published As

    Publication number Publication date
    GB9414513D0 (en) 1994-09-07
    GB9514666D0 (en) 1995-09-13
    DE69505317T2 (en) 1999-06-10
    DE69505317D1 (en) 1998-11-19
    GB2291408B (en) 1997-11-05
    EP0696543A1 (en) 1996-02-14
    GB2291408A (en) 1996-01-24

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