WO1998005558A1 - Procede et appareil de detection de defauts de construction dans des recipients assembles a partir de decoupes et decoupe d'emballage - Google Patents

Procede et appareil de detection de defauts de construction dans des recipients assembles a partir de decoupes et decoupe d'emballage Download PDF

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Publication number
WO1998005558A1
WO1998005558A1 PCT/GB1997/002080 GB9702080W WO9805558A1 WO 1998005558 A1 WO1998005558 A1 WO 1998005558A1 GB 9702080 W GB9702080 W GB 9702080W WO 9805558 A1 WO9805558 A1 WO 9805558A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
blank
tab
package
tongue
Prior art date
Application number
PCT/GB1997/002080
Other languages
English (en)
Inventor
Gary Austin Fisher
Original Assignee
Fisher-Matthews 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 Fisher-Matthews Ltd. filed Critical Fisher-Matthews Ltd.
Priority to EP97934628A priority Critical patent/EP0958173A1/fr
Publication of WO1998005558A1 publication Critical patent/WO1998005558A1/fr

Links

Classifications

    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
    • 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
    • B65D2571/00—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, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00833—Other details of wrappers
    • B65D2571/00919—Informative or decorative surfaces

Definitions

  • This invention relates to containers and to packaging for containers, and in particular to containers and packaging which are formed by folding and assembling two dimensional blanks.
  • Containers and container packaging can typically be formed from paper or cardboard blanks which are folded into the required three dimensional shape, for example a box, or a sleeve which may be used to hold together a plurality of containers such as plastic pots or bottles.
  • the blank will include tongues and/or flaps which may overlap and are secured together to hold the blank in its three dimensional shape.
  • flaps or tongues may be fixed together by means of a layer of adhesive applied between the overlapping flaps, or by means of mechanical locks.
  • a typical mechanical lock comprises a tab in one flap which engages in an aperture in the other tab.
  • a problem aasociated with wrapping pre-filled containers in container sleeves on packaging machines is that the ends of the sleeve, which may be secured together as described above, may not be correctly attached to each other. For example when held together by adhesive the two overlapping end portions may be secured on a skew relative to each other, or in the case of a mechanical lock the two ends may not be secured at all, or may only be partially locked together.
  • the result of improper assembly of the sleeve may be that the sleeve falls apart and the pre-filled containers burst spilling their contents onto the packaging machinery. Such accidents are messy and costly in lost production time.
  • a method of detecting construction faults in a container or a container package assembled. from a two dimensional blank.
  • predetermined portions of the container or container package have areas of contrasting colours which are optically scanned, the scan results are passed to an electronic control unit for comparison with stored parameters, and if the scan results fall outside the parameters the container is deemed to be faulty.
  • the invention is applicable to both containers formed from folded blanks, and to container packaging such as sleeves which are also formed from folded blanks.
  • Optical scanning includes laser scanning as well as the use of cameras including cameras in which the optical field is split into pixels.
  • contrasting colours includes both black and white as well as speckled or hatched areas in which the colour density can be altered by altering the density of the cross-hatching or spots. Any combination of contrasting colours may be suitable e.g. black and white or blue and white.
  • the electronic control unit may be a computer having a memory programmed with stored parameters relating to the arrangement of the contrasting areas for a well assembled container, or container package.
  • the areas of contrasting colour may be applied to portions of the blank which are utilised for attachment to other co-operating portions of the blank to form the container.
  • the blank may include at least one pair of tongues or flaps which in the assembled container., or container package are secured together in overlapping relationship, either by adhesive or by mechanical locking means, and the contrasting coloured areas may be lines on the flap or tongue which extend transversely of the direction of overlap, or the locking means may be coloured or include areas of contrasting colour.
  • the locking means is as a tab in one flap or tongue which engages in an aperture in the other of the tongue or flap.
  • the lines and coloured areas are blue and the adjacent packaging sleeve areas are white.
  • the detection of a faulty container or pack can be utilised to operate a reject mechanism to separate the faulty containers from 'good' containers to avoid problems downstream of the packaging line.
  • the invention further includes apparatus for assembling blanks into containers, or container packages, and which includes an optical scanner for detecting predetermined areas of contrasting colour on the container, and sending a signal to an electrical control unit for processing, the electronic control unit comparing the scanned signal with predetermined parameters and if the signal falls outside said parameters the control unit operates a reject means to separate the faulty package or container from packages within said parameters.
  • the invention also includes a packaging blank for formation of a container or a container package, the blank having at least one pair of tongues or flaps which are seamed together in overlapping relationship to form the container, and at least one of the pair of tongues or fla DS has as area of contrasting colour thereon which is readable by a optical scanner to enable assembly faults to be detected.
  • Fig. 1. is a schematic drawing of an apparatus according to the present invention
  • Fig. 2. is part view of a blank showing the free end portions
  • Fig. 3. is an end view of a sleeve formed from the blank
  • Fig. 4. is an external view of an adhesive secured flap in an acceptable configuration
  • Fig. 5. is an external view of the adhesive sealed flaps in an unacceptable configuration
  • Fig. 6. is an external view of the mechanical lock in an acceptable condition
  • Fig. 7. is an external view of a partially secured mechanical lock which would be unacceptable
  • Fig. 8. is an external view of a totally failed mechanical lock.
  • FIG. 1 With reference to Fig. 1 there is shown an in-line continuous motion sleeving machine 10 which is intended for wrapping a sleeve around a product, such as a food package, or a number of containers such as yoghurt pots or bottles .
  • the product 11 e.g. a number of yoghurt pots, is moved down the apparatus by a conveyor 12 having drive bars 13 for pushing the package through the apparatus.
  • the driv e bars are set at a pitch as desired for the product to be sleeved.
  • the conveyor belt 12 is driven by an electric motor 14 through a series of pulleys and belts 15.
  • the product is 11 placed onto the conveyor belt 12 by means of an automatic feed (not shown) or by hand.
  • a hopper 17 Downstream of the package feed there is located a hopper 17 for feeding flat sleeve blanks 21 into the apparatus for assembly around the product 11.
  • the blanks 21 which are shown in part of Fig. 2 have foldline ⁇ , cuts and apertures formed therein.
  • An articulated arm 18 with a sucker 19 thereon picks up a blank from the hopper and drops it into a moving product package 11.
  • the package 11 and respective sleeve 2.1 are moved past a pair of spaced apart blades 22 which rotate about a horizontal axis.
  • the blades 22 are spaced apart by a distance just greater than the width of the package so that the blades fold unsupported portions of the blank downwards to form the sides of the sleeve.
  • the package now enclosed within the folded sleeve passes to a locking station 36 for the sealing together of the two end portions .
  • the two portions could be secured together by either mechanical lock or by an adhesive closure.
  • FIG. 2 With reference to Fig. 2 and Fig. 3, there is shown in Fig. 2 the end portion 31, 32, of the blank 21.
  • the blank 21 comprises .of a subsequently square central panel 33 which is connected through transverse foldlines 34 to a pair of substantially square sidewalls 35, 36.
  • the sidewalls 35, 36 each have a transverse foldline 37 at approximately the mid-length of each sidewall.
  • the sidewalls 35 and 36 are connected through fold lines 38 to the respective and portions 31 and 31 which are folded towards each other to form an end wall 40 opposite the central panel 33.
  • Cut-outs 39 may be provided on the fold lines 38 to accommodate product containers enclosed in sleeve 21
  • Each end portion 31, 32 includes a flap or tongue portion
  • the mechanical lock is formed by a tab 43 in one flap 41 engaging in an aperture 45 in the other flap
  • the aperture 45 may be rectangular, or preferably may be trapezoidal as shown in dotted outline 45a .
  • the tab 43 is lozenge shaped and is cut from the flap 41 and is hinged to the flap 41 by a fold line along one side 44.
  • the triangular end portions 46 of the tab flex to allow it to be pushed through the aperture 45.
  • a trapezoidal aperture 45a guides the tab into a lock position more readily.
  • this tab 43 is pushed through the aperture 45 by a reciprocating vertical pin 37.
  • the assembled sleeve and package 11 is then moved to a takeoff conveyor 38.
  • An optical camera 50 is located downstream of the locking station 37 for viewing the now locked'-ends of the sleeve.
  • the camera could b a CCD linear element camera in which the image is divided into pixels.
  • the camera is electrically connected to the apparatus electronic control unit 51 which includes a micro processor .
  • the control unit 51 in turn is connected to a reject mechanism 53 which removes or separates faulty packages from the flow of assembled packages on to the take-off conveyor 38.
  • the end portions 31, 32, of the sleeve 21 are marked on the surface which in use will be external to the assembled package.
  • the flap 41 has a transverse thick line 61 formed in a contrasting colour to the rest of the sleeve.
  • the tab 43 has its triangular end portions 46 also marked with contrasting colour.
  • the other flap 42 is also formed with a transverse thick line 62 in the same or a different contrasting colour.
  • the parameters relating to distance apart and parallelism can be put into the memory of the micro processor in the control unit 51 so that if the camera 50 observes a package having lines 61, 62 which are skewed and non parallel as shown in Fig. 5., then the control unit 51 operates the reject mechanism 53 to push the faulty package off the conveyor system.
  • Fig. 6. similarly shows the tab 43 when making a good engagement with the aperture 45, as viewed from the direction of arrow A in Fig. 3.
  • the two contrasting coloured end portions 46 are hidden under the edges of the operative 45.
  • Fig. 7. shows the tab 43 when partially secured.
  • the one end portion 46 is visible whilst the other coloured end portion 46 is hidden by the edge of the aperture 45.
  • Fig. 8. shows a situation in which the tab 43 is merely lying in the place of the flap 41.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

Cette invention se rapporte à un procédé et à un appareil de détection des défauts de construction dans un récipient ou un ensemble contenant assemblé à partir d'une découpe bidimensionnelle. Des parties (41, 42) du contenant ou de l'ensemble contenant (21) possèdent des zones de couleurs opposées (61, 62, 46) qui font l'objet d'une lecture optique dont les résultats sont transmis à une unité de commande électronique (51) en vue de la comparaison avec des paramètres enregistrés. Lorsque les résultats de cette lecture optique ne correspondent pas à ces paramètres, le contenant est jugé défectueux.
PCT/GB1997/002080 1996-08-03 1997-07-31 Procede et appareil de detection de defauts de construction dans des recipients assembles a partir de decoupes et decoupe d'emballage WO1998005558A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97934628A EP0958173A1 (fr) 1996-08-03 1997-07-31 Procede et appareil de detection de defauts de construction dans des recipients assembles a partir de decoupes et decoupe d'emballage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9616378A GB2316166A (en) 1996-08-03 1996-08-03 Detecting construction faults in the assembly of container blanks
GB9616378.7 1996-08-03

Publications (1)

Publication Number Publication Date
WO1998005558A1 true WO1998005558A1 (fr) 1998-02-12

Family

ID=10798006

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1997/002080 WO1998005558A1 (fr) 1996-08-03 1997-07-31 Procede et appareil de detection de defauts de construction dans des recipients assembles a partir de decoupes et decoupe d'emballage

Country Status (3)

Country Link
EP (1) EP0958173A1 (fr)
GB (1) GB2316166A (fr)
WO (1) WO1998005558A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000055048A1 (fr) * 1999-03-15 2000-09-21 Cartolit Aps Procede et dispositif permettant de detecter la correction de la fermeture de garnitures de cadres de congelation
WO2002079036A1 (fr) 2001-03-30 2002-10-10 Sig Combibloc Systems Gmbh Procede et dispositif permettant le remplissage continu de paquets avec un produit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017178395A (ja) * 2016-03-31 2017-10-05 レンゴー・リバーウッド・パッケージング株式会社 マルチパック包装体の缶固定検査方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB962330A (en) * 1960-10-21 1964-07-01 William B Leavens Method of packaging material in cartons
WO1996002422A1 (fr) * 1994-07-19 1996-02-01 Cartolit Aps Procede de detection de la fermeture incorrecte de boites dans des cadres de congelation, et boite et systeme utilises

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB962330A (en) * 1960-10-21 1964-07-01 William B Leavens Method of packaging material in cartons
WO1996002422A1 (fr) * 1994-07-19 1996-02-01 Cartolit Aps Procede de detection de la fermeture incorrecte de boites dans des cadres de congelation, et boite et systeme utilises

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000055048A1 (fr) * 1999-03-15 2000-09-21 Cartolit Aps Procede et dispositif permettant de detecter la correction de la fermeture de garnitures de cadres de congelation
WO2002079036A1 (fr) 2001-03-30 2002-10-10 Sig Combibloc Systems Gmbh Procede et dispositif permettant le remplissage continu de paquets avec un produit

Also Published As

Publication number Publication date
EP0958173A1 (fr) 1999-11-24
GB9616378D0 (en) 1996-09-11
GB2316166A (en) 1998-02-18

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