WO1997027107A2 - Procede pour fixer un manchon d'emballage en carton autour d'un ensemble d'articles - Google Patents

Procede pour fixer un manchon d'emballage en carton autour d'un ensemble d'articles Download PDF

Info

Publication number
WO1997027107A2
WO1997027107A2 PCT/GB1997/000089 GB9700089W WO9727107A2 WO 1997027107 A2 WO1997027107 A2 WO 1997027107A2 GB 9700089 W GB9700089 W GB 9700089W WO 9727107 A2 WO9727107 A2 WO 9727107A2
Authority
WO
WIPO (PCT)
Prior art keywords
cans
tongues
sleeve
articles
sleeves
Prior art date
Application number
PCT/GB1997/000089
Other languages
English (en)
Other versions
WO1997027107A3 (fr
Inventor
David Yates
Original Assignee
Waddington Cartons 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 Waddington Cartons Ltd. filed Critical Waddington Cartons Ltd.
Priority to AU13923/97A priority Critical patent/AU1392397A/en
Publication of WO1997027107A2 publication Critical patent/WO1997027107A2/fr
Publication of WO1997027107A3 publication Critical patent/WO1997027107A3/fr

Links

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
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/12—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank
    • B65D71/14—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers without end walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • B65B11/10—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents
    • B65B11/105—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents the axis of the tube being parallel to the conveying direction

Definitions

  • This invention relates to packaging systems ana has particular reference to those systems which are known as multi-pack systems wherein a plurality of similar items such as beverage cans are grouped together and are held by a packaging container, typically a sheet material sleeve.
  • the invention has indeed specific application to cardboard sleeves for the packaging of beverage cans, but whilst this is a main application, t is understood that the principles of the invention m its various aspects, can be used in other applications, and it is not intended to limit the invention by virtue of the fact that, for convenience reasons, the following disclosure concentrates on the packaging of beverage cans using cardboard sleeves.
  • the sheet material could be other than cardboard and the cans could be other than beverage cans.
  • beverages such as beers which are packaged m cans are most commonly grouped into packs oy means of sleeves so as to form "four packs" or “six packs” and the like, wherein there are two rows of the cans arranged side by side. In a four pack, there would be two cans in each row and in a six pack there would be three in each row, and so on.
  • the rows are brought together, and then the sleeve is applied.
  • the sleeve is formed with creases to define fillets which fold and form a retention device at the ends of the sleeve, so that the cans will not fall from the sleeve when in use.
  • edges of the sleeve which come together when the sleeve is wrappe ⁇ around the cans have tongues and apertures, and the tongues are inserted through the apertures to complete the joining of the sleeve around the cans. This is referred to as a threading mechanism.
  • the sleeve has to hold rows of more than two cans in a row, the corners of the sleeves are cut away to receive the can end and to keep it in position in the sleeve.
  • the cans are furthermore wrapped whilst the cans are grouped together separated from the other cans coming from the canning line.
  • the cans must be grouped as explained above, for packaging of the sleeves. Conventionally, the groups are separated from the line of cans coming from the can filling line, and then the groups of sleeved cans are re-grouped into pallets for snipment to the customer.
  • the present invention has a number of aspects whicn overcome disadvantages appertaining to the known technology outlined above, and a first aspect of the present invention deals with the means by which the sleeve becomes attacned to the containers, whereby the threading mechanism, wnich can be weak and can be difficult to engage, may not be needed.
  • a method of connecting a sleeve to one or a group of articles which has or each of which has a surface recess wherein, to form a package, the sleeve is wrapped around the article or group of articles so that the end sections of the sleeve overlap at said recess or recesses and at said overlap at the or each recess, one tongue portion on the outer of the overlapped sections can be deflected inwardly through an aperture in the inner of the overlapped portions and into the adjacent recess, and wherein unset adhesive is provided to lie on the inner face of the tongue portion, and that adhesive sets to hold the tongue portion in the inwardly deflected position in said recess to form a lock in relation to the article or group of articles.
  • the inner overlapped portion has a tongue or tongues corresponding to the tongue or tongues on the outer portion, and both tongues adjacent each recess are deflected into the adjacent recess, during which the respective tongues which are defected into the same aperture slide one relative to another.
  • the tongue or each of the tongues of the inner overlapping portions has an aperture therein, through which the adhesive or some of the adhesive may pass to anchor the tongue of the outer of the overlapping portions to the article.
  • the anove aspect of the invention provides a radical departure from the conventional packaging system as explained above which is used for the mass production of multi-packs, and in consequence eliminates at least some of tne disadvantages of the conventional system, which include that the construction of the sleeve limits the strength of the sleeve, which in turn limits the minimum calliper of board which can be used for the sleeve.
  • sheet material of lighter caliper can be used, with the attendant advantages.
  • the flexibility of the known system furthermore is limited when it comes to making the packs on a "modular" basis as will be explained, and the appearance of the packs do not convey the impression of strength to the consumer.
  • a method of forming multi-pack "modules” wherein cans (or the like articles) are fed in a aline in a touching or “no gap” manner and whilst being so fed, contiguous groups of the cans are wrapped by sleeves of cut and creased sheet material to form said modules.
  • the sleeves can be as above described above according to the first aspect cf the invention when appropriate articles are being wrapped, but the sleeves need not be of this form.
  • each module may comprises a single row of cans, and there may be two, three, four or more cans in each row, but in this aspect of the invention, each module will be a "one by” or in other words the module will contain one by two, one by three, one by four and so on.
  • modules by the method of the second aspect of the invention By making the modules by the method of the second aspect of the invention as indicated above, high production speeds can be attained, and initial tests with cans having recessed bases and using the sleeves according to the first aspect of the invention, have indicated that speeds of in the region of 250-300 modules per minute is achievable. All of the production can be in line. Some one by multi-packs have been proposed in the past, but these have been produced "off line" where the cans have been removed from the canning line and indeed sent to specialist packer companies, because the demand for such packs has been so small.
  • the cans are turned on their sides so as to lie with their axes horizontal, and the sleeves are delivered onto a conveyor, whilst in blank form, and the cans are placed on top of the blanks, as the blanks and cans are transported by the conveyor, the ends of the blanks are ploughed around the end of the cans and free edges of the blanks overlap over the can bases and the tongues are defected into the recesses in the can bases and glued as described, to complete the sleeving.
  • the method according to the second aspect cf the invention preferably comprises therefore the following steps:
  • the method comprises the formation of multi-pack modules, by sleeving the cans of each module whilst the cans are travelling horizontally with their axes lying horizontally.
  • Reference to horizontally includes substantially horizontally, formed in the sleeve bottom panels and the corners can remain uncut, providing more rigidity.
  • Fig. 1 is a diagrammatic perspective view of a method of preparing multi-pack modules according to one aspect of the present invention
  • Fig. 2 is a plan view of part of the arrangement shown in Fig. 1;
  • Fig. 3 is a plan view of a blank according to another aspect of the present invention, and which is usable in connection with the method of Fig. 1;
  • Fig. 4 shows a group of cans formed into a multi-pack module according to the invention;
  • Fig. 5 shows in sectional elevation how the locking device works
  • Fig. 6 shows how two multi-pack modules according to the invention can be used with good effect.
  • a can filling line of conventional form issues cans 10 at a high speed for example in the order of 1,000 cans per minute.
  • the cans are upright, but in accordance with the present invention in at least one aspect, the cans are turned on their side as indicated at location 2 so that their axis lie horizontal in location 3.
  • the cans move continuously in the direction of arrow 12.
  • the cans are moved onto a conveyor 14 onto which are fed carton board blanks for example of the construction shown in Fig. 3, with the blanks lying with their longitudinal dimension (the blanks of Fig. 3 are substantially rectangular) lying parallel to the axial direction of the cans 10.
  • the cans are continuously fed, there is a back pressure from the canning line so that the cans are being pushed forward, and therefore the cans are in touching contact or in fact there are no gaps therebetween.
  • the sleeves are applied in this case to group three cans together so they are "one by three modules". Referring to Fig. 2, three modules 16 are shown and each comprising a sleeve containing three cans. The line of cans however continues to be in touching contact, and this is a departure from the prior art.
  • the feeding of the blanks onto the conveyor 14 is performed by a conventional machine, and the module 16 after they emerge from the conveyor 14 may be turned to upright condition as shown at 18 in Fig. 1.
  • Each module is shown in Fig. 4 is printed with its own bar code 20 so that it can be read for example when being carrie ⁇ from a supermarket.
  • the form of blank adopted as shown m Fig. 3 is generally rectangular, and comprises a top panel 22 hinged to respective side panels 24 and 26, which are in turn hinged to base panel sections 28 and 30 respectively which overlap m the finished sleeve.
  • Top panel 22 is provided with cut out formations 32 which seat on the tops of the cans as shown in Fig. 4, and it should be mentioned that the convention adopted for Fig. 3 is that the full lines represent lines of cut, wnilst the double dotted lines represent crease lines.
  • each of the cans 10 as shown has a recessed base 44, the tongues 34 and 36 are overlapped by the tongues 40 and 42, and the extent of the overlap is indicated by the reference numeral A.
  • a spot of adhesive 46 Between the overlapping tongues is provided a spot of adhesive 46, and additionally a strip of adhesive 48 is provided between the free edge of the section 30 and the inner edge of the section 28, to hold the sleeve on the cans. Whilst the adhesive spot 40 is still soft, the tongues 34 and 40 are pushed inwardly into the recess 44 during which the tongue 40 passes through the aperture in the inner section 28 created by the displacement of the tongue 34, so that the extent of the overlap A is reduced or in other words the tongues slide relatively, to the extent of overlap indicated by reference number "B" . The tongues are held in this condition until the adhesive sets, so that in fact they form a lock as they cannot slide back to the original position.
  • Fig. 4 also shows that the module could be modified by having an integral handle 50 thereon adjacent one side of the module, being the side opposite that carrying the bar code 20.
  • This type of sleeve would be type 2, if the one illustrated in Fig. 3 is considered to be type 1.
  • the reason for providing two types is that the module idea can be effected in that although the embodiment illustrated shows the production of modules with a single row of cans, it may be desirable to provide multi packs with two rows in which case it is desirable to give the multi pack twin row a different bar code. Therefore, when the pack of Fig. 4 is provided with a handle 50 it is provided with a different bar code from the one which would be provided when the handle is not present.
  • the bar code on the module without the handle is hidden by the side by side placement of the two modules so that the bar code of the module without the handle lies m the central plane of the pack and is concealed from the reader.
  • the handle 50 will also be located in the central plane, and will provide a convenient means for lifting the multi pack and for keeping in balance, as indicated by Fig. 6.
  • sleeve corners 60 and 62 need not be slotted or notched for the pack to function, and it is not necessary to provide end folding fillet arrangements to retain the cans m the packaging sleeve.
  • the sleeve By virtue of the improved strength of the sleeve by the construction and connection of same to the articles, it may be possible to make the sleeve of material of less calliper than usually adopted.
  • the usual calliper is 0.5mm.
  • the calliper may be reduced to 0.35 or 0.3mm which represents a considerable financial saving.
  • the production machinery may be set up to produce two separate rows of modules which can be brought together to produce two row multi-packs comprising side by side modules.
  • the section 28 may simply have no tongues 34, 36 but only apertures and the tongues 40, 42 when deflected into the recesses are simply glued to the articles.
  • the tongues 34, 36 have apertures to allow at least some of the adhesive to pass therethrough so that the tongues 40, 42 again become glued directly to the article.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Abstract

La présente invention concerne la formation de modules d'emballages groupés, et chaque module comprend un certain nombre de boîtes (sur une rangée) qui sont emballées dans un manchon de carton ou autre. Ce manchon est un objet simple, qui est simplement plié, de telle sorte que les extrémités se chevauchent sous les boîtes, et la solidarité entre le manchon et les boîtes est obtenue du fait que des languettes, dans les parties chevauchantes respectives, sont poussées vers l'intérieur, dans les fonds en renfoncement des boîtes. Lorsqu'a lieu cette poussée vers l'intérieur, les différentes languettes glissent l'une par rapport à l'autre et un adhésif, entre elles, les maintient dans leur position relativement décalée, rentrée vers l'intérieur, formant ainsi un blocage pour chaque boîte, ce qui l'empêche de tomber. Ce manchon est plus solide et plus facile à mettre en place que les manchons habituels. Par conséquent, il peut être fait avec un carton d'épaisseur plus faible sans perte de solidité. Comme il se met en place plus facilement, il se prête à des procédés d'utilisation plus rapides et plus simples. L'invention concerne aussi l'un de ces procédés.
PCT/GB1997/000089 1996-01-22 1997-01-13 Procede pour fixer un manchon d'emballage en carton autour d'un ensemble d'articles WO1997027107A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU13923/97A AU1392397A (en) 1996-01-22 1997-01-13 Method of connecting a sleeve around articles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9601204.2A GB9601204D0 (en) 1996-01-22 1996-01-22 Improvements relating to packaging systems and packaging containers therefor
GB9601204.2 1996-01-22

Publications (2)

Publication Number Publication Date
WO1997027107A2 true WO1997027107A2 (fr) 1997-07-31
WO1997027107A3 WO1997027107A3 (fr) 1997-09-12

Family

ID=10787343

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1997/000089 WO1997027107A2 (fr) 1996-01-22 1997-01-13 Procede pour fixer un manchon d'emballage en carton autour d'un ensemble d'articles

Country Status (3)

Country Link
AU (1) AU1392397A (fr)
GB (1) GB9601204D0 (fr)
WO (1) WO1997027107A2 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB989612A (en) * 1960-04-22 1965-04-22 John Morgan Machine for wrapping groups of cans in a packing sleeve
EP0024451A1 (fr) * 1979-08-29 1981-03-11 Certipak Corporation Dispositif pour mettre en place un support en forme d'enveloppe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB989612A (en) * 1960-04-22 1965-04-22 John Morgan Machine for wrapping groups of cans in a packing sleeve
EP0024451A1 (fr) * 1979-08-29 1981-03-11 Certipak Corporation Dispositif pour mettre en place un support en forme d'enveloppe

Also Published As

Publication number Publication date
GB9601204D0 (en) 1996-03-20
WO1997027107A3 (fr) 1997-09-12
AU1392397A (en) 1997-08-20

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