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EP2007628B1 - Verfahren und vorrichtung zum einwickeln von süsswarenprodukten - Google Patents

Verfahren und vorrichtung zum einwickeln von süsswarenprodukten Download PDF

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Publication number
EP2007628B1
EP2007628B1 EP07735316A EP07735316A EP2007628B1 EP 2007628 B1 EP2007628 B1 EP 2007628B1 EP 07735316 A EP07735316 A EP 07735316A EP 07735316 A EP07735316 A EP 07735316A EP 2007628 B1 EP2007628 B1 EP 2007628B1
Authority
EP
European Patent Office
Prior art keywords
edges
product
folding
wrapping
phase
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.)
Active
Application number
EP07735316A
Other languages
English (en)
French (fr)
Other versions
EP2007628A2 (de
Inventor
Mario Caselli
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.)
Mc Automations Srl
Original Assignee
Mc Automations Srl
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 Mc Automations Srl filed Critical Mc Automations Srl
Publication of EP2007628A2 publication Critical patent/EP2007628A2/de
Application granted granted Critical
Publication of EP2007628B1 publication Critical patent/EP2007628B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65B11/28—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a curved path, e.g. on rotary tables or turrets
    • B65B11/30—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a curved path, e.g. on rotary tables or turrets to fold the wrappers in tubular form about contents
    • B65B11/32—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a curved path, e.g. on rotary tables or turrets to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/005—Packaging other articles presenting special problems packaging of confectionery
    • 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

Definitions

  • the present invention relates to a method and an apparatus for wrapping confectionary products, and it further relates to the wrap itself thus obtained.
  • confectionary products in particular sweets and chocolates
  • the wrapping head generally consists of a member rotating around a horizontal axis, peripherally carrying suitable gripping tools of the fed individual products.
  • the wrapping head is suited to be operated in step to bring the products in rotation through a series of operational stations, wherein, through suitable folding means, the closure of the wrap is completed.
  • the products are finally released by a discharge station to be transferred to the subsequent operational stations.
  • a wrap is known for particular types of products having for instance a frustum-pyramidal shape with a quadrangular base or similar, through packages socalled 'fantail twist', which have a couple of lateral bows obtained twisting the respective edges of the wrap.
  • packages socalled 'fantail twist' which have a couple of lateral bows obtained twisting the respective edges of the wrap.
  • various apparatuses have been suggested, which use specific folding methods of the edges of the wrap.
  • a wrapping sheet is known, generally obtained from a band, having on one side cold-sealing areas suitable to be brought in contact one with the other, on folding of the wrapping sheet around the product, in order to realize a tight closure close to the product itself.
  • a package realized with this method is illustrated for instance in the European patent EP0929457 .
  • This method provides, in particular, for arranging the products onto the wrapping head partially wrapped in a respective wrapping sheet, in order to leave a couple of opposite protruding edges. These edges are then folded one towards the other, in order to realize a tight closure at the cited cold-sealing areas.
  • the aim of the present invention is to devise a method which enables to optimally carry out the tight wrap of confectionary products, in particular in packages of 'fantail twist' type or similar.
  • Another object of the present invention is to provide an apparatus for the wrapping of confectionary products able to operate the above-mentioned method through a structure of simple conception, of certainly reliable operation, of reduced size and of versatile use in relation to the different products to wrap.
  • fig. from 1 to 5 illustrate the respective front views of a product to wrap in subsequent embodiment phases of the claimed method
  • fig. 6 illustrates a front view of an individual wrapping sheet in flat configuration, intended to be used in the claimed apparatus
  • fig. 7 illustrates a front view of a wrapping head of this apparatus
  • fig. 8 illustrates a portion of a band of wrapping material before being subdivided in the individual wrapping sheets of respective products.
  • the wrapping head of an apparatus intended to operate the method according to the invention is generally designated with the reference numeral 1.
  • the wrapping head 1 is suited to be operated in step rotation around a horizontal axis 10, in order to receive the individual products 2 from a feeding line and to operate their packing through individual wrapping sheets 20.
  • the product 2 forms a polyhedron with trapezoidal section, in which the base 2a and the upper part 2b are rectangular, but other geometrical shapes can clearly be provided, for instance frustum-pyramidal or parallelepiped or spheroid type, with or without a flat base.
  • the wrapping sheet 20 has a preferably quadrangular shape, for instance square, and a size large enough to completely wrap the product 2 to form the wrap ( fig. 6 ).
  • the wrapping sheet 20 comprises cold-sealing areas 22 at a couple of opposite edges.
  • the sealing areas 22, illustrated by way of example as rectangular stripes, extend basically as much as the longitudinal dimension of the wrapping sheet 20, leaving, in case, free respective portions of the final part to realize, for instance, bow closures. Between the sealing areas 22 there is a central area 24 for the direct contact with the product 2.
  • the sealing areas 22 there are some cuts 23 arranged side by side, for instance in couple, in order to facilitate the following ring pull of the wrapping.
  • the cuts 23 are preferably realized onto the band of wrapping material 25 before the subdivision of the individual wrapping sheets 20. Basically, when the band of wrapping material 25 is unwind by a respective reel, with only one cutting operation it is possible to realize some cuts 23, in order to extend them onto the edges arranged alongside of two subsequent wrapping sheets 20.
  • some demarcation signs 26 can likewise be included. These should be detectable by visual detection means, so that the corresponding cutting means can be activated during the phase of unwinding of the band of wrapping material 25, to subdivide it in the correct way ( fig. 8 ).
  • the wrapping head 1 includes a plurality of gripping means 3 angularly distributed, suited to receive, hold and release the products 2.
  • the gripping means 3 form, for instance, respective grippers, whose jaws 4 are constrained rotatably to the structure of the wrapping head 1, oscillating between a position of reciprocal opening to receive an individual product 2 between the respective gripping portions 30 or to release it, and a closure position to hold the same product 2 during the wrapping operations.
  • the jaws 4 can, for instance, be operated by the same operation means suited to control the rotational motion of the wrapping head 1.
  • different activation means of the gripping means 3 can be provided.
  • the wrapping head 1 includes four grippers 3 arranged at angular distances of 90° and suited to be brought in rotation through as many operational stations.
  • Feeding means of the wrapping sheet 20 and elevator means 15 of the product 2 operate at a loading station 5. These are known and therefore not illustrated in detail, and are suited to transfer the product 2 to the gripper 3 there arranged.
  • the wrapping sheet 20 is suited to be fed from the top on the upper part of the product 2, so that during the transfer operated by the cited elevator members, perpendicularly to the base 2a, the wrapping sheet 20 partially wraps the product 2 ( fig. 1 , 7 ).
  • the gripping configuration operated by the grippers 3 the product is grasped at opposite lateral faces, while the wrapping sheet 20 protrudes from the lower part of the product 2 through respective opposite edges 21, which have the sealing areas 22 facing each other.
  • a first folding station 6 Downstream of the loading station 5 a first folding station 6 operates and, subsequently, a second folding station 7 for the completion of the wrap.
  • the product 2 In the final station 8 the product 2 is destined to be discharged from the wrapping head I by previous opening of the jaws 4.
  • Folding means 9 operate at the first folding station 6. These are suited to operate the reciprocal junction of the edges 21 of the wrapping sheet 20 bearing the sealing areas 22.
  • the folding means 9 preferably consist of a couple of movable members bearing respective operational engaging surfaces 11, having longitudinal dimension basically comparable to the longitudinal dimension of the edges 21 to fold.
  • the operational surfaces 11 are arranged mutually facing, fitted in the lower part in a way basically perpendicular to the base 2a of the product 2 to wrap.
  • the folding means 9 are movable along a transversal direction, alternatively from a far, opening position, wherein the operative surfaces 11 are beyond the respective opposite edges of the base 2a, and a close, folding position wherein the operative surfaces 11 are suited to fold the edges 21, reconnecting on a basically median longitudinal plane of the product 2, whose trace is indicated with a dashed line B in the illustrations.
  • the engaging means 12 preferably consist of a laminar item with longitudinal dimension comparable to the longitudinal dimension of the operational surfaces 11.
  • the laminar item 12 is suited to translate in a direction C orthogonal to the base 2a of the product 2, in suitable phase relation to the alternative motion of the folding means 9.
  • the laminar item 12 is suitable to be operated alternatively between a position far from the base 2a of the product 2 to wrap and a close engaging position wherein it is arranged basically in contact against the base 2a through its upper edge.
  • the laminar item 12 is suitable to be approached to the product 2 when the folding means 9 are in opening configuration, beyond the edges bearing the sealing areas 22, protruding from the product 2.
  • the laminar item 12 is suitable to pause in this configuration until the folding means 9, activated in close folding position, are suited to push the edges 22 against them, to operate their folding by the cited basically median longitudinal plane.
  • the laminar item 12 is suitable to be moved away again while the folding means 9 are in folding configuration, to bring in reciprocal contact the edges 21, producing the reciprocal sealing of the sealing areas 22.
  • the laminar item 12 is realized in antiadherent material, preferably in Teflon or with a Teflon surfacing, to prevent the edges 21 from adhering to it.
  • closure means 13 Downstream to the folding means 9, there are some closure means 13, suitable to fold, close to the base 2a, the edges 21 sealed by the folding means 9.
  • the closure means 13 that, in the case illustrated, are arranged between the first folding station 6 and the second folding station 7, form a flat folding surface 14 suited to laterally intercept the sealed edges 21, to operate the refolding towards the opposite side in consequence of the relative motion activated between the product 2 and the same closure means 13.
  • the closure means are fixed, so that the folding of the edges 21 happens because of the rotation motion of the wrapping head 1, bearing the product 2 from the first station 6 to the second folding station 7 ( fig. 7 ).
  • the closure means 13 operate movably while the product 2 is still, or that the closure of the sealed edges 21 is operated by the same folding means 9.
  • folding members operate in the second folding station 7, in order to close the opposite ends of the wrapping sheet 20 longitudinally protruding from the product 2, for instance twisting members suited to realize in a known way the respective bow closures or otherwise other folding means in case it is provided for a different type of closure of the package.
  • the product 2 is fed at the wrapping head 1 at the feeding station 5.
  • an individual wrapping sheet 20 is arranged in front of the product 2 with respect to the feeding direction to the wrapping head 1 through suitable feeding means.
  • the grippers 3 are in opening configuration to receive the product 2.
  • the elevation means 15 cause the insertion of the product 2 between the gripping portions 30 of the gripping means 3.
  • the interposed sheet 20 is thus partially wrapped around the product 2, having the edges 21 protruding from the lower part of the product 2.
  • the product 2 wrapped in the wrapping sheet 20 is grasped by the gripping means 3 ( fig. 1 ).
  • the wrapping head 1 advances in step in the rotation direction A around the rotation axis 10 until it brings the product to the first folding station 6 ( fig. 7 ).
  • the folding means 9 are, in this phase, in far configuration, like the laminar item 12.
  • the laminar item 12 is then approached to the base 2a by the median longitudinal plane B. Subsequently the folding means 9 are operated in order to approach from the opposite sides to the laminar item 12. The edges 21 are in this way simultaneously folded against the laminar item 12, which is interposed between them.
  • the laminar item 12 is removed in suitable phase relation with the completion of the folding of the edges 21, in order to bring in reciprocal contact the same edges 21 pressed by the folding means 9. In this way, the junction of the two sealing areas 22 of the same edges 21 is produced.
  • the folding means 9 are moved laterally, leaving the sealed edges 21 orthogonally protruding from the base 2a.
  • the wrapping device 1 is further rotated in step in the direction A.
  • the edges 21 are folded close to the base 2a.
  • the wrapping sheet has a tubular shape, with a longitudinal fold on the same plane of the base 2a.
  • the product 2 reaches the second folding station 7, wherein the closure of the remaining open edges that longitudinally protrude is operated.
  • these edges are adequately grasped and twisted by the cited twisting members, in order to realize respective bow knots, or otherwise closed by suitable folding members, according to the type of package required.
  • wrapping head 1 is rotated in step again in the direction A, to bring the product 2 to the discharge station 8, where the gripping means 3 are operated in opening configuration to release the wrapped product 2.
  • the method performed by the claimed wrapping device achieves therefore the aim to optimally carry out the packaging of confectionary products.
  • the claimed method allows to effectively package confectionary products through the simultaneous operation of folding means 9 that operate the folding of the edges 21 of the wrapping sheet 20 at the base 2a of the product, against the laminar item 12.
  • the method allows to operate the packaging in a simple and fast way since, providing for the folding of the edges 21 at the basically median longitudinal plane B of the product 2, it is possible to operate the sealing of the edges 21 at the sealing areas 22 in a single passage of the folding means 9, simplifying the working phases of the wrap.
  • the claimed method allows optimizing the use of wrapping material limiting the overlapping of the wrap to the only areas in which the sealing between the two scaling areas 22 takes place.
  • the folding of the edges 21 can be operated in a safe and reliable way.
  • the edges 21 can perfectly stretch against the laminar item 12, avoiding the formation of folds that can compromise the quality of the wrap.
  • the wrapping method and device according to the claimed invention can be used in a very versatile way, for the packaging of confectionary products 2 of any shape and size.
  • the wrapping device according to the claimed invention is composed of a limited number of components of simple structure and of easy assembly.
  • the folding means 9, the laminar item 12 and the closure means 13 are of very simple conception. It is possible to provide for using the folding means 9 instead of the closure means 13 to operate the folding of the edges 2 onto the product 2, further reducing the number of components of the device 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Seasonings (AREA)

Claims (8)

  1. Verfahren zum Verpacken von Süßwarenprodukten, umfassend die Schritten:
    (a). Vorbereiten einer mit Siegelzonen (22) versehenen Verpackungsfolie (20) bei einer Ladestation (5) eines Packkopfs (1);
    (b). Zuführen eines Produkts (2) auf Höhe der Ladestation (5);
    (c). teilweises Wickeln der Verpackungsfolie (20) um das Produkt (2) derart, dass gegenüberliegende Längsränder (21) der Verpackungsfolie (20) über das Produkt (2) überstehen;
    (d). Transferieren des Produkts (2) zusammen mit der Verpackungsfolie (20) zu Greifmitteln (3) des Packkopfs (1),
    dadurch gekennzeichnet, dass es die folgenden weiteren anschließenden Schritten umfasst:
    (e). gleichzeitiges Falten der überstehenden Ränder (21) der Verpackungsfolie (20) mit Hilfe von Faltmitteln (9), die von entgegengesetzten Seiten bezogen auf das Produkt (2) einwirken;
    (f). Einfügen zwischen die Ränder (21) in dem Faltschritt von Anschlagmitteln (12), die dazu geeignet sind, mit den Faltmitteln (9) auf Höhe einer Längsmittelebene (B) des Produkts (2) zusammenzuarbeiten;
    (g). Entfernen der Anschlagmittel (12) in einer geeigneten Phasenbeziehung zur Fertigstellung der Faltung der Ränder (21), um den Kontakt zwischen den Siegelzonen (22) der gefalteten Ränder (21) zu ermöglichen;
    (h). Vereinen der überstehenden Ränder (21) auf Höhe der Längsmitteleben (B) durch das Verbinden der jeweiligen Siegelzonen (22) der Ränder (21);
    (i). erneutes Falten der gesiegelten Ränder (21) gegen das Produkt (2);
    (l). Schließen der verbleibenden offenen Ränder des Produkts (2), um den Verschluss der Verpackung zu vervollständigen.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass es im Anschluss an den Schritt (e). gleichzeitiges Falten der Ränder (21) den folgenden weiteren Schritt umfasst:
    (e1) Anschlagen der Endbereiche der Ränder (21) direkt gegen die Anschlagmittel (12).
  3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass es vorsieht, die Anschlagmittel (12) mit einer abwechselnden Bewegung, die in einer geeigneten Phasenbeziehung zur Betätigung der Faltmittel (9) in Gang gesetzt wird, in einer zum Produkt (2) orthogonalen Richtung zu verstellen.
  4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Schritt (i). erneutes Falten der gesiegelten Ränder (21) den folgenden weiteren Schritt umfasst:
    (i1). Drücken der Ränder (21) von außen gegen das Produkt (2).
  5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass es vorsieht, die gesiegelten Ränder (21) auf Höhe der Längsmittelebene (B) mit Hilfe von Verschließmitteln (13) mit einer Relativbewegung bezogen auf das Produkt (2) abzufarigen, um die gesiegelten Ränder (21) nach einer Seite zu falten.
  6. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass es vorsieht, an einem Streifen Verpackungsmaterial (25) an den in einem nachfolgenden Schritt zu trennenden gegenüberliegenden Rändern der Verpackungsfolien (20) eine Vielzahl von Einschnitten (23) auszuführen, um eine Zone herzustellen, die geeignet ist, das Öffnen der Verpackung durch Reißen zu erleichtern.
  7. Vorrichtung zum Verpacken von Süßwarenprodukten des Typs, der einen Packkopf (1) umfasst, der eine Vielzahl von winklig um eine horizontale Drehachse (10) verteilten Greifmitteln (3) trägt, die dazu geeignet sind, durch nachfolgende Arbeitsstationen (5, 6, 7, 8) mittels einzelner Verpackungsfolien (20) zu verpackende Produkte (2) zu empfangen, festzuhalten und Ioszulassen, dadurch gekennzeichnet, dass sie auf Höhe einer entsprechenden Faltstation (6, 7) Faltmittel (9), die geeignet sind, in einer angestellten Faltkonfiguration betätigt zu werden, um gleichzeitig auf Höhe einer Längsmittelebene (B) des Produkts (2) das Falten der gegenüberliegenden Ränder (21) der Verpackungsfolie (20), die über ein Produkt (2) überstehen, das von Greifmitteln (3) festgehalten wird, auszuführen, und lamellenförmige Anschlagmittel (12) umfasst, die geeignet sind, sich in dem Faltschritt zwischen die auf Höhe der Längsmittelebene (B) überstehenden Ränder (21) zu begeben.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass sie Verschließmittel (13) umfasst, die geeignet sind, mit einer Relativbewegung zum Produkt (2) zu arbeiten, um die gefalteten Ränder (21) seitlich abzufangen und im Wesentlichen auf Höhe der Mittelebene (B) auf einer entsprechenden Seite des Produkts (2) gegen das Produkt (2) zu falten.
EP07735316A 2006-04-06 2007-03-29 Verfahren und vorrichtung zum einwickeln von süsswarenprodukten Active EP2007628B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000251A ITBO20060251A1 (it) 2006-04-06 2006-04-06 Metodo per l'incarto di prodotti dolciari.
PCT/IB2007/051122 WO2007113752A2 (en) 2006-04-06 2007-03-29 Method and apparatus for wrapping confectionary products

Publications (2)

Publication Number Publication Date
EP2007628A2 EP2007628A2 (de) 2008-12-31
EP2007628B1 true EP2007628B1 (de) 2009-09-09

Family

ID=38346159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07735316A Active EP2007628B1 (de) 2006-04-06 2007-03-29 Verfahren und vorrichtung zum einwickeln von süsswarenprodukten

Country Status (5)

Country Link
EP (1) EP2007628B1 (de)
AT (1) ATE442299T1 (de)
DE (1) DE602007002392D1 (de)
IT (1) ITBO20060251A1 (de)
WO (1) WO2007113752A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20130556A1 (it) * 2013-10-10 2015-04-11 M C Automations S R L Metodo e apparecchiatura per l'incarto di prodotti dolciari
WO2016080926A1 (en) * 2014-11-20 2016-05-26 Yildiz Holding A.Ş. A packaging method for edible products
EP3882165A1 (de) * 2020-03-16 2021-09-22 Sacmi Packaging & Chocolate S.p.A. Verpackungsanordnung
IT202000010198A1 (it) * 2020-05-07 2021-11-07 Sacmi Packaging & Chocolate S P A Gruppo di incarto

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0733548A1 (de) * 1995-03-22 1996-09-25 NUOVA FIMA IMBALLAGGI S.r.l. Vorrichtung zum Verpacken von verschiedenen Gegenständen, insbesondere von Süsswaren mit verschiedenen Formen
BE1009877A3 (fr) * 1995-12-29 1997-10-07 Transpac Enveloppe d'emballage fermee par des papillotes.
CH691255A5 (it) * 1996-04-15 2001-06-15 Soremartec Sa Macchina per avvolgere con materiale in foglio.
DE19626157C2 (de) * 1996-06-28 1999-08-19 Pactec Verpackungsmaschinen Fa Verfahren und Verpackungsvorrichtung zum Verpacken kleinstückiger Artikel
SE9602739D0 (sv) * 1996-07-10 1996-07-10 Ingemar Naeslund Förpackning

Also Published As

Publication number Publication date
DE602007002392D1 (de) 2009-10-22
ITBO20060251A1 (it) 2007-10-07
ATE442299T1 (de) 2009-09-15
EP2007628A2 (de) 2008-12-31
WO2007113752A3 (en) 2007-12-06
WO2007113752A2 (en) 2007-10-11

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