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WO1997015495A1 - Dispositif et procede de transport d'un carton entre des stations de traitement d'une machine d'emballage - Google Patents

Dispositif et procede de transport d'un carton entre des stations de traitement d'une machine d'emballage Download PDF

Info

Publication number
WO1997015495A1
WO1997015495A1 PCT/IB1995/000933 IB9500933W WO9715495A1 WO 1997015495 A1 WO1997015495 A1 WO 1997015495A1 IB 9500933 W IB9500933 W IB 9500933W WO 9715495 A1 WO9715495 A1 WO 9715495A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
processing station
pincers
sealing
packaging machine
Prior art date
Application number
PCT/IB1995/000933
Other languages
English (en)
Inventor
Bo Runnberg
Tommy Bo Göran LJUNGSTRÖM
Original Assignee
Tetra Laval Holdings & Finance S.A.
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 Tetra Laval Holdings & Finance S.A. filed Critical Tetra Laval Holdings & Finance S.A.
Priority to PCT/IB1995/000933 priority Critical patent/WO1997015495A1/fr
Priority to AU37071/95A priority patent/AU3707195A/en
Publication of WO1997015495A1 publication Critical patent/WO1997015495A1/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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/144—Closing paperboard containers

Definitions

  • the present invention relates to the transportation of a container from one processing station to another processing station of a packaging machine. More specifically, the present invention relates to an apparatus and method for maintaining a container in a temporary closed condition as it is transported
  • Paperboard based containers have been known for the better part of the twentieth century. Such paperboard based containers include gable-top, flat-top, and brik-type containers. The characteristic simplicity of these containers have helped to sustain their popularity as containers for traditional liquid food products such as milk and
  • Gable-top and brik-type cartons typically start out as carton blanks made of laminated paperboard or similar material having a
  • the carton blanks are provided with a number of creases to facilitate folding and forming the blank into a generally rectangular container.
  • CONfiR MIO C ⁇ PY carton blank after it has been side sealed.
  • the process of side sealing opposite vertical edges of the carton blank results in the forming of a polygonal (usually rectangular) sleeve.
  • the sleeve is received on an indexable mandrel wheel, which rotates the sleeve into respective positions where the end of the sleeve extending outwardly from the mandrel is folded and sealed to form the bottom of the carton.
  • the carton is then removed from the mandrel and transported to a filing station, where the carton is filled with product. Once the carton has been filled, the top of the carton is folded, for example, into the familiar gable top configuration and is sealed, thus completing the packaging process.
  • An apparatus for use while moving a container from a first processing station to a second processing station of a packaging machine is set forth which assists in overcoming many of the deficiencies of the prior art.
  • the first processing station may be a filling station and the second processing station may be a top sealing station.
  • the first processing station may be a station that assists in rendering the interior of the container generally aseptic.
  • the pincers may include a first arm at least partially rotatable about a first pivot axis and a second arm that is likewise at least partially rotatable about a second pivot axis.
  • the first and second arms are rotatable toward one another
  • the sealing panels include a plurality of top fin flaps as the sealing panels that are gripped by the arms.
  • the first and second arms are of a sufficient length and spaced apart so that each arm is inclined at an angle when the arms grip and close the fin flaps. In this manner, the arms do not crush the container-top but, instead, conform to the exterior inclined panels of the gable top.
  • Brik-type containers do not include the exterior inclined walls present in gable-top containers. The length of the arms and the spacing therebetween may thus be sufficient to allow the arms to extend horizontally when the arms grip and close the fin flaps.
  • first and second pincer assemblies are disposed on opposite sides of a container path.
  • Each of the pincer assemblies includes a guide rod and a plurality of pincers that are disposed for co-rotation with the guide rod.
  • the plurality of pincers are also disposed for slidable movement along the length of the guide rod and are moved along that length by a linear actuator.
  • a rotational actuator rotates the guide rods to urge the pincers on opposite sides of the container path toward one another to grip the sealing panels of the containers disposed therebetween as the containers are moved along the container path from the first processing station to the second processing station.
  • the rotational acmator rotates the guide rods to allow the pincers to disengage the containers when the containers are proximate the second processing station.
  • the method includes the step of temporarily holding the sealing panels of the container in a generally closed condition as the container is moved from the first processing station to the second processing station.
  • the sealing panels of the container may be held in a closed condition by pincers as the container is moved from the first processing station to the second processing station.
  • FIG. 1 is a perspective view of an open-top, brik-type container disposed between pincers wherein the pincers are in a retracted state.
  • FIG. 2 is a perspective view of the pincers and container illustrated in FIG. 1 wherein the pincers are in a closed state.
  • FIG. 3 illustrates one manner of engagement between a pincer and a guide rod.
  • FIG. 4 is a perspective view of an open-top, gable-top container disposed between pincers wherein the pincers are in a retracted state.
  • FIG. 5 is a perspective view ofthe pincers and container illustrated in FIG.
  • FIGs. 6 - 10 illustrates some of the various mechanisms that may be used to actuate the pincers illustrated in FIGs. 1 through 5.
  • FIGs 11 A - 1 1 D illustrate an exemplary sequence of pincer activation as applied to a gable-top container.
  • the structure and operation of pincers 20 and 30 as applied to a brik-type container 35 are illustrated in FIGs. 1 and 2.
  • the brik-type container 35 includes a top portion having a plurality of score lines that define top flaps 40, 45, and 50 (only three of which are visible on FIG. 1) and fin flaps 55, 60, 65, and 70.
  • the fin flaps 55, 60, 65, and 70 are ultimately sealed by, for example, heat sealing or ultrasonic sealing, during a subsequent top sealing process.
  • the brik-type container may be filled with product or, for example, may be in an empty but generally aseptic condition.
  • the pincers 20 and 30 each include a generally triangular body portion 75.
  • a connecting tab 80 extend from the base of the triangular body portion 75.
  • the connecting tabs 80 each include a central aperture 85 through which, for example, a rod may be disposed.
  • the pincer 80 may have cooperating knurling to allow the respective pincer and rod to rotate with one another about respective rotation axes 90, 95.
  • the pincers may have cooperating knurling to allow the respective pincer and rod to rotate with one another about respective rotation axes 90, 95.
  • the pincers may have cooperating knurling to allow the respective pincer and rod to rotate with one another about respective rotation axes 90, 95.
  • 20 and 30 may rotate freely about the rods, rotation of the pincers being effected through mechanical actuators other than the rods.
  • the pincers 20 and 30 may engage a rod 100 in the manner illustrated in FIG. 3.
  • the rod 100 includes a plurality of tabs 105 extending therefrom.
  • the tabs 105 facilitate co-rotational movement of the rod 100 and pincer 1 10.
  • a plurality of bearings 115 engage the curved surfaces 120 of the rod 100 to allow linear translation of the pincer 1 10 along the length of the rod 100. The desirability of this co-rotational- and linear movement will be recognized with respect to the overall assembly described below.
  • the filled and/or aseptic, open-top, brik-type container 35 is introduced between the pincers 20 and 30 while the pincers are in
  • the pincers 20 and 30 are then indexed in this extended position with the brik-type container 35 to a subsequent processing station of the packaging machine. Once the brik-type container 35 has been indexed to the subsequent processing station, the pincers 20 and 30 are retracted and are returned to the prior processing station to repeat the
  • the structure and operation of pincers 135 and 140 as applied to a gable- top container 145 are illustrated in FIGs. 4 and 5.
  • the gable-top container 145 includes a top portion having a plurality of score lines that define top flaps 150, 155, 160, and 165, and fin flaps 170, 175, 180, and 185.
  • the fin flaps 170, 175, 180, and 185 are ultimately sealed by, for example, heat sealing or ultrasonic sealing, during a subsequent top sealing process.
  • the gable-top container 145 may be filled with product.
  • the pincers 135 and 140 each include a body 190.
  • the body 190 terminates in a claw 195 at one end thereof and, further, includes an aperture 200 disposed through the end of the body 190 opposite the claw 195.
  • a rod may extend through each of the apertures 200, each of which may have cooperating knurling to allow the respective pincer and rod to rotate with one another about respective rotation axes 205 and 210.
  • the pincers 135 and 140 may rotate freely about the rods, rotation of the pincers being effected through mechanical actuators other than the rods.
  • the pincers 135 and 140 may also engage the rod in the manner shown in FIG. 3. As illustrated in FIG.
  • the filled and/or generally aseptic, gable-top container 145 is introduced between the pincers 135 and 140 while the pincers are in a retracted state.
  • the pincers 135 and 140 are then rotated toward one another about their respective rotating axes 205 and 210 to the angled position illustrated in FIG. 5.
  • the pincers 135 and 140 are at an angle so as to conform to the exterior inclined panel 220 of the gable-top. In this manner, the pincers 135 and 140 do not deform the gable top structure from its conventional shape.
  • FIG. 6 illustrates one embodiment of an apparatus that can be used to actuate the pincers in the manner previously described.
  • the apparatus shown generally at 300, includes a guide rod 310 having an actuating arm 320 disposed at one end thereof.
  • the actuating arm 320 is connected to an actuator 330, for example, an air cylinder, by a rigid link 340.
  • a pincer carrier 350 is slidably disposed over the guide rod 310.
  • the pincer carrier 350 includes a plurality of pincers 360 that, for example, may be rigidly disposed thereon.
  • the pincers 360 may be adapted for the particular container type, for example, in the manner previously described with respect to gable-top and brik-type containers.
  • a key 370 extends from the bottom of the pincer carrier 350 and engages a corresponding lock member 380.
  • the lock member 380 is disposed on a conveyor belt 390 which may be, for example, driven by rollers 400.
  • the rollers 400 may be driven by servo motors in a continuous manner such as illustrated by arrow 410, or with a back and forth motion such as illustrated by arrow 410.
  • the actuator 330 exerts a force on the rigid link 340 to turn the actuation arm 320 to the illustrated position.
  • Rotation of the guide rod 310 results in a corresponding rotation of the pincer carrier 350 and pincers 360 thereby causing the pincers 360 to engage the sealing panels at the tops of any filled containers disposed between them on the container indexing path 430.
  • the rotation of the pincer carrier 350 further causes the key 370 to disengage from the lock member 380.
  • the pincer carrier 350 is allowed to slide along the guide rod 310 in the direction illustrated by arrow 460, thereby maintaining the filled containers in a temporarily sealed condition as they are indexed from the filling station 450 to, for example, the sealing station 440.
  • the actuator 330 retracts the rigid link 340 thereby rotating the actuation arm 320 back to the position
  • station 450 can be any number of processing station types.
  • station 450 may be a station which executes a process that assists in rendering the container generally aseptic.
  • Station 450 in such instance may be, for example, a UV treatment station.
  • Station 440 for example, may be a filling station.
  • the station 450 will be referred to as a sealing station while stations 440 will be referred to as a sealing station.
  • FIG. 9. An alternative embodiment that facilitates linear movement of the pincer carrier 350 is illustrated in FIG. 9. In this embodiment, a magnetic core cylinder is used as the rod 310.
  • a magnetic core 470 is disposed in the interior of a cylinder 480 and is magnetically coupled to a magnetic carrier 490 disposed at the exterior of the cylinder 480.
  • a further carrier 500 is attached to the magnetic carrier 490 to form a pincer carrier 350 on which a plurality of pincers 360 are disposed.
  • a compressed gas, such as air, is supplied to the interior ofthe cylinder 480 through tubing 510 disposed at opposite ends of the cylinder 480.
  • the magnetic core member 470 is moved linearly along the length of the cylinder by the pressure differential of the air supply on either side of the magnetic core member 470. Since the magnetic core member 470 is magnetically coupled to the magnetic carrier 490, the pincers 360 and pincer carrier 350 are likewise moved linearly along the length of the rod.
  • the air on either side of the magnetic core member 470 can be pressurized as the pincer carrier 350 is indexed with the containers.
  • one side of the cylinder 480 may be evacuated to effect a rapid return of the carrier 350.
  • Over-travel of the carrier 350 can be limited by, for example, a stop member 520.
  • FIG. 10 illustrates an embodiment in which the carriers 350 and their respective pincers 360 are moved linearly toward and away from one another in a direction, illustrated by arrow 530, that is transverse to the container indexing path 430.
  • Such linear motion can be accomplished through the use of , for example, a plurality of actuators 540, such as air cylinders, that are rigidly connected to the rods 510.
  • the pincers 360 of this embodiment may be, for example, formed as flat- faced jaws which, for example, grip the top fin of a gable- top container or may be formed in the previously illustrated manners.
  • the pincers 360 are rotated to engage the top fin 570 of the carton 550 thereby effecting a temporary mechanical seal of the top of the carton 550.
  • the pincers 360 may engage the top in the manner shown in FIG. 1 1 B, or alternatively, in the manner
  • FIG. 5 The carton 550 and pincers 360 are then indexed along the container indexing path 430 until it is disposed beneath and between a pair of sealing jaws 580 (FIG. 11 C). The pincers 360 are then retracted and the container 550 is urged upward so that the fin 570 is disposed between the sealing jaws 580. The sealing jaws 580 then engage the fin 570 to seal it with, for example, heat or ultrasonic energy.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Package Closures (AREA)

Abstract

L'invention concerne un dispositif conçu pour être utilisé pendant le déplacement d'un carton depuis une première station de traitement jusqu'à une deuxième station de traitement d'une machine d'emballage. Ce dispositif comprend des pinces servant à tenir temporairement les panneaux de scellement du carton à l'état de fermeture simultanément au déplacement dudit carton depuis la première station de traitement jusqu'à la deuxième station de traitement. Dans un mode de réalisation d'une machine d'emballage comportant ledit dispositif, la première station de traitement peut être une station de remplissage et la deuxième station de traitement peut être une station de scellement. Dans un autre mode de réalisation du dispositif, on décrit un procédé correspondant.
PCT/IB1995/000933 1995-10-27 1995-10-27 Dispositif et procede de transport d'un carton entre des stations de traitement d'une machine d'emballage WO1997015495A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/IB1995/000933 WO1997015495A1 (fr) 1995-10-27 1995-10-27 Dispositif et procede de transport d'un carton entre des stations de traitement d'une machine d'emballage
AU37071/95A AU3707195A (en) 1995-10-27 1995-10-27 Apparatus and method for transporting a container between processing stations of a packaging machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB1995/000933 WO1997015495A1 (fr) 1995-10-27 1995-10-27 Dispositif et procede de transport d'un carton entre des stations de traitement d'une machine d'emballage

Publications (1)

Publication Number Publication Date
WO1997015495A1 true WO1997015495A1 (fr) 1997-05-01

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ID=11004383

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Application Number Title Priority Date Filing Date
PCT/IB1995/000933 WO1997015495A1 (fr) 1995-10-27 1995-10-27 Dispositif et procede de transport d'un carton entre des stations de traitement d'une machine d'emballage

Country Status (2)

Country Link
AU (1) AU3707195A (fr)
WO (1) WO1997015495A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102405176A (zh) * 2009-04-15 2012-04-04 派克赛斯有限责任公司 竖立辅助设备
WO2019104321A1 (fr) * 2017-11-27 2019-05-31 Ranpak Corp. Système et procédé d'optimisation de la hauteur d'une boîte pour l'expédition

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307325A (en) * 1964-10-21 1967-03-07 Pre O Form Corp Carton forming and filling machine
US3313089A (en) * 1964-10-07 1967-04-11 Gen Mills Inc Bag closing machine
US3417543A (en) * 1965-08-02 1968-12-24 Savannah Sugar Refining Corp Bag closing machine
GB2009079A (en) * 1977-10-11 1979-06-13 Cundell Corrugated Ltd Apparatus for Closing Knock- Down Cartons
GB2118132A (en) * 1982-02-11 1983-10-26 Tetra Pak Dev Apparatus for sealing a liquid pack
EP0460844A1 (fr) * 1990-06-02 1991-12-11 Elopak Systems Ag Emballage
WO1993006009A1 (fr) * 1991-09-13 1993-04-01 Minnesota Mining And Manufacturing Company Procede et appareil de fermeture etanche pour un recipient a partie superieure a pignon
US5350568A (en) * 1992-11-09 1994-09-27 Tetra Alfa Holdings, S.A. Method and apparatus for sterilizing cartons and breaking carton score lines
WO1995011831A1 (fr) * 1993-10-25 1995-05-04 Field Group Plc Appareil destine a fermer des cartons
WO1996009959A1 (fr) * 1994-09-26 1996-04-04 Tetra Laval Holdings & Finance S.A. Appareil et procede de transport d'un carton d'emballage

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313089A (en) * 1964-10-07 1967-04-11 Gen Mills Inc Bag closing machine
US3307325A (en) * 1964-10-21 1967-03-07 Pre O Form Corp Carton forming and filling machine
US3417543A (en) * 1965-08-02 1968-12-24 Savannah Sugar Refining Corp Bag closing machine
GB2009079A (en) * 1977-10-11 1979-06-13 Cundell Corrugated Ltd Apparatus for Closing Knock- Down Cartons
GB2118132A (en) * 1982-02-11 1983-10-26 Tetra Pak Dev Apparatus for sealing a liquid pack
EP0460844A1 (fr) * 1990-06-02 1991-12-11 Elopak Systems Ag Emballage
WO1993006009A1 (fr) * 1991-09-13 1993-04-01 Minnesota Mining And Manufacturing Company Procede et appareil de fermeture etanche pour un recipient a partie superieure a pignon
US5350568A (en) * 1992-11-09 1994-09-27 Tetra Alfa Holdings, S.A. Method and apparatus for sterilizing cartons and breaking carton score lines
WO1995011831A1 (fr) * 1993-10-25 1995-05-04 Field Group Plc Appareil destine a fermer des cartons
WO1996009959A1 (fr) * 1994-09-26 1996-04-04 Tetra Laval Holdings & Finance S.A. Appareil et procede de transport d'un carton d'emballage

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102405176A (zh) * 2009-04-15 2012-04-04 派克赛斯有限责任公司 竖立辅助设备
US9725197B2 (en) 2009-04-15 2017-08-08 Packsize Llc Erecting aid
WO2019104321A1 (fr) * 2017-11-27 2019-05-31 Ranpak Corp. Système et procédé d'optimisation de la hauteur d'une boîte pour l'expédition
KR20200067894A (ko) * 2017-11-27 2020-06-12 랜팩 코포레이션 선적용 박스의 높이를 최적화하기 위한 시스템 및 방법
CN111417578A (zh) * 2017-11-27 2020-07-14 兰帕克公司 一种用于优化运输容器高度的系统和方法
AU2018373384B2 (en) * 2017-11-27 2022-02-24 Ranpak Corp. System and method for optimizing the height of a box for shipping
AU2018373384C1 (en) * 2017-11-27 2022-08-04 Ranpak Corp. System and method for optimizing the height of a box for shipping
US11414223B2 (en) 2017-11-27 2022-08-16 Ranpak Corp. System and method for optimizing the height of a box for shipping
KR102475117B1 (ko) * 2017-11-27 2022-12-07 랜팩 코포레이션 선적용 박스의 높이를 최적화하기 위한 시스템 및 방법
US12202638B2 (en) 2017-11-27 2025-01-21 Ranpak Corp. System and method for optimizing the height of a box for shipping

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