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EP0449365B1 - Appareil pour le remplissage et le scellage subséquent d'une chaîne à capsules, amenée d'une bobine d'alimentation dans un état plié à plat - Google Patents

Appareil pour le remplissage et le scellage subséquent d'une chaîne à capsules, amenée d'une bobine d'alimentation dans un état plié à plat Download PDF

Info

Publication number
EP0449365B1
EP0449365B1 EP91200648A EP91200648A EP0449365B1 EP 0449365 B1 EP0449365 B1 EP 0449365B1 EP 91200648 A EP91200648 A EP 91200648A EP 91200648 A EP91200648 A EP 91200648A EP 0449365 B1 EP0449365 B1 EP 0449365B1
Authority
EP
European Patent Office
Prior art keywords
belts
pair
capsule chain
rollers
travelling
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
EP91200648A
Other languages
German (de)
English (en)
Other versions
EP0449365A1 (fr
Inventor
Jacobus Johannes Van Oeveren
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.)
JETHAR DEELNEMINGEN B.V.
Original Assignee
Jethar Deelnemingen BV
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 Jethar Deelnemingen BV filed Critical Jethar Deelnemingen BV
Priority to AT91200648T priority Critical patent/ATE97626T1/de
Publication of EP0449365A1 publication Critical patent/EP0449365A1/fr
Application granted granted Critical
Publication of EP0449365B1 publication Critical patent/EP0449365B1/fr
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
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/123—Feeding flat bags connected to form a series or chain

Definitions

  • the invention relates to a device for filling and subsequent sealing of a capsule chain which is unrolled in a fat-folded state from a supply coil, comprising a pair of cooperating drawing rollers, which are mounted for rotation about vertical axes, a travelling space connected to the outlet side of said rollers and confined by the opposite runs of a pair of upright positioned endless conveyor belts, filling means being provided above said space and a welding station being connected to the outlet end of said travelling space, equipped with a pair of welding beams positioned one opposite the other and extending in the travel-ling direction, perforations being provided in the outer surfaces of the drawing rollers, through which said surfaces are connected to a source of sub-atmospheric pressure at the outlet side of the roller pair, said opposite belt runs being also subjected to a source of sub-atmospheric pressure through perforations provided in supporting walls for said belt runs.
  • a capsule chain is to be understood as a double-walled band of a suitable plastics material, which is divided - by providing seals at right angles to the longitudinal direction of the band - into a plurality of juxtaposed compartments or "capsules".
  • Such a capsule chain may e.g. be obtained by starting from an extruded tube, which is cut - in a flat folded state - into two halves along its longitudinal axis, so that two double-walled bands are produced, which are then each divided into capsules.
  • the capsule chain which is drawn in a flat folded state from a supply package (e.g. a supply roll mounted for unrolling about a vertical axis) has to be opened at the outlet side of the drawing roller pair and has to remain open on its way through the travelling space in order to be filled.
  • a supply package e.g. a supply roll mounted for unrolling about a vertical axis
  • the capsule chain will - at the transition towards the travelling space - undergo a certain decrease in length in comparison with the flat-folded state and the travelling speed through the travelling space will be correspondingly lower than the unrolling speed.
  • this decrease in length has to be compensated again so as to permit the filled capsule chain to be sealed in a stretched condition along its upper edge.
  • the stretching of the filled capsule chain required to allow the latter to be sealed is effected by means of two pair of clamping jaws, one pair of which - viz. that pair which is located adjacent the outlet side of the travelling space - is positioned stationary as seen in the travelling direction, whereas the second pair of clamping jaws - which is provided at a downstream location - is mounted to be reciprocated in the travelling direction.
  • These clamping jaws are periodically operated during the filling stage, when the capsule chain is stationary.
  • the present invention aims at improving the device according to the above mentioned patent application, such, that the introduction of the leading end of a capsule supply into the nib between the cooperating drawing off rollers may take place under sterile conditions and without human assistance, while the stretching of the filled capsule chain may be effected in a simpler manner i.e. without the use of clamping jaws which require an intermittent displacement of the capsule chain.
  • this aim is achieved in that two endless belts are provided between the supply coil and the drawing roller pair, adjacent the upper edge of the capsule chain, said belts being positioned in a horizontal plane and mating with grooves in the circumferential surface of the respective, driven drawing rollers, the adjacent runs of said belts being adapted to clamp the upper edge of the capsule chain between them, while at the outlet end of the travelling space there is also at least one pair of endless belts positioned on either side of the travelling path of the capsule chain in a substantially horizontal plane adjacent the upper edge of the capsule chain, said belts being guided about pulleys adapted to be driven at a speed corresponding to the unrolling speed.
  • the pair of belts at the inlet side may be provided, like the device itself, within a sterile space, so that the capsule chain will arrive at the drawing off rollers in a sterile condition, which is an absolute requirement when using the device for the propagation of cells and tissue, e.g. for the vegetative propagation of plant material.
  • the use of a similar pair of belts (or a plurality of such pairs positioned in vertically spaced relationship) results in a uniform stretching of the filled capsule chain, when the latter is leaving the travelling space under the filling means. Due to this a continuous displacement of the capsule chain under the filling means (which in that case will have to move along with the capsule chain and then be returned) may take place, if desired.
  • the device shown in fig. 1-3 is an improvement of the device shown in fig. 1 of EP-A-0412621 and serving for the same purpose.
  • a plurality of such devices may be disposed one parallel to the other, in which case one device constitutes e.g. a production line for plantlets to be propagated and a second device is serving as a production line for plantlets to be rooted.
  • Such production lines nay be disposed longitudinally offset to an extent corresponding to the length of a processing station, while the drive means of the devices nay be interconnected.
  • the capsule chain 2 consists of a double-walled membrane foil of plastics material, which is divided into a plurality of juxtaposed compartments ("capsules") which are separated by individual seals extending perpendicular to the longitudinal direction of the foil.
  • the supply roll 1 is mounted on a base 4 for rotation about a vertical axis 3.
  • the capsule chain 2 is guided in an upright position, via guide rollers 5, towards the inlet area between two cooperating endless belts 6, which are diposed in a common horizontal plane.
  • the belts 6 are guided about upstream rollers 7 and about downstream drawing off rollers 8, the latter rollers being driven in the arrow direction by drive means (not shown) provided under the base 4.
  • the belts 6 are received in circumferential grooves in the peripheral surface of the drawing off rollers 8.
  • the capsule chain 2, unrolled from the supply roll 1 in a flat-folded state, is guided, while clamped between the adjacent runs of the belts 6, towards the nib between the cooperating drawing off rollers 8.
  • the drawing off rollers 8 each comprise an outer drum 9 which is mounted for rotation about a vertical axis around a fixed drum 10, that is connected to a vacuum conduit not shown.
  • the outer drum is provided with perforations which are disposed in two vertically spaced annular zones 11.
  • the perforations of the outer drum are inwardly covered by the fixed drum 10 along the greater part of its circumferential surface. It is only in the outlet nib between the drawing off rollers that the perforations of the outer drum are in free connection with the drum 10 so that a vacuum generated within the latter, is allowed to act upon the outcoming capsule chain and cause the capsule entering into said outlet nib to open (compare also fig. 2 of EP-A-0412621).
  • the capsule chain 2 with its thus opened capsules 2a is then guided from said outlet nib into the travelling space between two pair of cooperating endless conveyor belts 13.
  • the parallel opposite runs of these pairs of conveyor belts are guided along the opposite walls of two vacuum chambers 14 disposed on either sides of the travelling path of the capsule chain.
  • the opposite walls of the vacuum chambers 14 are perforated in the region of the adjacent runs of the air pervious conveyor belts.
  • the relatively narrow belts 13 are guided, at the upstream ends of the vacuum chamber 14, around guiding members 16 which are disposed in annular recesses 15 provided in the outer surfaces of the drawing off rollers between the two perforated annular zones and under the lower perforated annular zone respectively.
  • the belts 13 are guided, via similar guiding members 17, about the portions 18a of a pair of drive rollers 18 , which are driven with the same annular speed as the drawing off rollers 8. Due to the smaller diameter of the drive roller portions 18a the belts 13 will be driven at a speed which is correspondingly lower than the speed at which the capsule chain is supplied from the drawing off rollers 8.
  • the chambers 14 are connected to a vacuum source not further shown.
  • the underpressure created within the chambers 14 causes the walls of the opened capsule chain to be sucked against the cooperating runs of the conveyor belts 11.
  • the capsule chain 2 will thus be frictionally engaged by the conveyor belts 13 and taken along in the travelling direction.
  • the travelling speed through the travelling space is reduced relative to the unrolling speed of the still flat-folded capsule chain to an extent corresponding to the decrease in length caused by the opening of the capsules in the capsule chain.
  • the capsule chain may be supported at its lower edge - which is formed by the bottoms of the individual capsules - on a vertically adjustable support, in a manner as described in the above cited reference.
  • the filled capsule chain 2 Upon leaving the travelling space the filled capsule chain 2 is gripped - along two horizontal lines in the upper marginal area - by the cooperating runs of the two pairs of belts 21a, 21a and 21b, 21b and stretched thereby to its original length.
  • the two lower pulleys 20b are provided with an additional circumferential groove for guiding an additional pair of belts 23, the cooperating runs of which are engaging the stretched and filled capsule chain 2 at a slight distance under the upper edge of said chain and which are guided about downstream guide rollers 24.
  • the upper marginal areas 26 of the two walls of the capsule chain 2 may be heat-sealed.
  • the two welding beams 25 are periodically - i.e. each time after a series of e.g. eight capsules has been filled - mutually displaced into the closed position.
  • the welding beam pair will have to be simultaneously displaced in the travelling direction and this will require adequate space between the downstream end of the welding beam pair and the roller pair 24.
  • instead of welding beams use could also be made of a so-called roll-welding device.
  • the sealed capsule chain 2 leaving the outlet nib between the rollers 24 may be collected in the form of a zig-zag folded package and deposited in a supply container, in a manner as shown in the above reference.
  • sterile cloud which may be generated as a vertical sterile stream of air between a panel (not shown) covering the upperside of the device and the base 4 which serves as a support for the various parts of the device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Closing Of Containers (AREA)
  • Hydrogenated Pyridines (AREA)

Claims (4)

  1. Un dispositif pour remplir et ensuite pour sceller une chaîne de capsules dans un état plié à plat à partir d'une bobine débitrice, comprenant une paire de rouleaux de traction associés, qui sont montés de façon à tourner autour d'axes verticaux, un espace de déplacement relié au côté de sortie des rouleaux et limité par les brins en regard d'une paire de courroies de convoyeur disposées verticalement, des moyens de remplissage disposés au-dessus de l'espace précité et un poste de soudage qui est relié à l'extrémité de sortie de l'espace de déplacement, ce poste étant équipé d'une paire de barres de soudage disposées face à face et s'étendant dans la direction de déplacement, des perforations étant formées dans les surfaces extérieures des rouleaux de traction, et ces perforations faisant communiquer ces surfaces avec une source de pression inférieure à la pression atmosphérique du côté de la sortie de la paire de rouleaux, les brins de courroies en regard étant également soumis à l'action d'une source de pression inférieure à la pression atmosphérique, à travers des perforations qui sont formées dans des parois de support pour les brins de courroies précitées, dans lequel deux courroies sont placées entre la bobine débitrice et la paire de rouleaux de traction, en position adjacente au bord supérieur de la chaîne de capsules, ces courroies étant disposées dans un plan horizontal et s'adaptant dans des gorges formées dans la surfaoe périphérique des rouleaux de traction entraînés respectifs, les brins adjacents de ces courroies étant prévus de façon à serrer entre eux le bord supérieur de la chaîne de capsules, tandis qu'à l'extrémité de sortie de l'espace de déplacement, il existe également au moins une paire de courroies qui sont disposées de part et d'autre du chemin de la chaîne de capsules, dans un plan pratiquement horizontal adjacent au bord supérieur de la chaîne de capsules, ces courroies étant guidées par le fait qu'elles passent autour de poulies qui sont destinées à être entraînées à une vitesse qui correspond à la vitesse de traction.
  2. Un dispositif selon la revendication 1, caractérisé en ce qu'à l'extrémité amont de l'espace de déplacement, chacune des courroies de convoyeur s'étend, dans la direction amont, jusque dans une gorge périphérique de la surface extérieure du rouleau de traction respectif et est guidée par le fait qu'elle passe autour d'un rouleau de guidage ou d'un axe de guidage qui est placé à l'intérieur de la gorge précitée.
  3. Un dispositif selon la revendication 2, caractérisé en ce que les gorges annulaires dans la surface extérieure des rouleaux de traction sont disposées entre des parties annulaires dépourvues de gorges, dans lesquelles les perforations sont formées.
  4. Un dispositif selon les revendications 1-3, caractérisé en ce que les barres de soudage sont disposées dans un plan qui se trouve juste au-dessus d'un plan pratiquement horizontal passant à travers deux courroies d'entraînement associées, qui sont guidées par leur passage autour de paires de poulies, qui sont destinées à être entraînées à une vitesse correspondant à la vitesse de déroulement, et qui sont disposées respectivement au début et à la fin du poste de soudage.
EP91200648A 1990-03-23 1991-03-22 Appareil pour le remplissage et le scellage subséquent d'une chaîne à capsules, amenée d'une bobine d'alimentation dans un état plié à plat Expired - Lifetime EP0449365B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91200648T ATE97626T1 (de) 1990-03-23 1991-03-22 Vorrichtung zum fuellen und nachfolgenden versiegeln einer kapselkette, zugefuehrt in flachgefaltetem zustand von einer vorratsspule.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9000696 1990-03-23
NL9000696A NL9000696A (nl) 1990-03-23 1990-03-23 Inrichting voor het vullen en daarna dichtlassen van een in platgevouwen toestand op een voorraadpakket aangevoerde capsuleband.

Publications (2)

Publication Number Publication Date
EP0449365A1 EP0449365A1 (fr) 1991-10-02
EP0449365B1 true EP0449365B1 (fr) 1993-11-24

Family

ID=19856808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91200648A Expired - Lifetime EP0449365B1 (fr) 1990-03-23 1991-03-22 Appareil pour le remplissage et le scellage subséquent d'une chaîne à capsules, amenée d'une bobine d'alimentation dans un état plié à plat

Country Status (9)

Country Link
EP (1) EP0449365B1 (fr)
JP (1) JPH04506332A (fr)
AT (1) ATE97626T1 (fr)
CA (1) CA2057902A1 (fr)
DE (1) DE69100669D1 (fr)
FI (1) FI915506A7 (fr)
HU (1) HUT67484A (fr)
NL (1) NL9000696A (fr)
WO (1) WO1991014622A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108945664B (zh) * 2018-06-08 2020-04-21 广州锐嘉工业股份有限公司 连包小包袋折叠式包中盒包装机
CN111605805B (zh) * 2020-05-19 2021-07-13 深圳友邦塑料印刷包装有限公司 一种塑料包装用口部撑开装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3583127A (en) * 1969-04-16 1971-06-08 Dow Chemical Co Arrangement for controllably feeding connected bag elements to filling or like apparatus
US3817017A (en) * 1970-10-13 1974-06-18 O Titchenal Bag construction and method for filling the same
US3699746A (en) * 1971-04-09 1972-10-24 Basic Packaging Systems Inc Apparatus for filling a chain of connected bag elements
DE3131687A1 (de) * 1981-08-11 1983-03-03 Focke & Co, 2810 Verden "verpackungs-vorrichtung zum herstellen von zuschnitten und zufuehren derselben in einer verpackungsstation"

Also Published As

Publication number Publication date
FI915506A0 (fi) 1991-11-22
DE69100669D1 (de) 1994-01-05
ATE97626T1 (de) 1993-12-15
NL9000696A (nl) 1991-10-16
CA2057902A1 (fr) 1991-09-23
JPH04506332A (ja) 1992-11-05
FI915506A7 (fi) 1991-11-22
EP0449365A1 (fr) 1991-10-02
HUT67484A (en) 1995-04-28
HU913617D0 (en) 1992-07-28
WO1991014622A1 (fr) 1991-10-03

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