EP0405354B1 - Verfahren und Vorrichtung zum Siegeln der Umhüllung beim Verpacken von Gegenständen - Google Patents

Verfahren und Vorrichtung zum Siegeln der Umhüllung beim Verpacken von Gegenständen Download PDF

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Publication number
EP0405354B1
EP0405354B1 EP90111865A EP90111865A EP0405354B1 EP 0405354 B1 EP0405354 B1 EP 0405354B1 EP 90111865 A EP90111865 A EP 90111865A EP 90111865 A EP90111865 A EP 90111865A EP 0405354 B1 EP0405354 B1 EP 0405354B1
Authority
EP
European Patent Office
Prior art keywords
sealing
article
wrapping
articles
shifting
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
EP90111865A
Other languages
English (en)
French (fr)
Other versions
EP0405354A1 (de
Inventor
Mario Scatà
Adolfo Passero
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.)
Alcatel Lucent Italia SpA
Original Assignee
Alcatel Italia SpA
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 Alcatel Italia SpA filed Critical Alcatel Italia SpA
Publication of EP0405354A1 publication Critical patent/EP0405354A1/de
Application granted granted Critical
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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
    • B65B11/08—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
    • B65B11/12—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 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
    • 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
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/003—Arrangements to enable adjustments related to the packaging material

Definitions

  • the present invention relates to a method and equipment for sealing wrappings in the packaging of articles, each of said wrappings consisting of a sheet of paper-material provided with a layer of adhesive material along at least three perimetrical edges thereof and wrapped substantially according to a tubular configuration around the article, said wrapping being arranged to be sealed at the opposite ends of said tubular configuration by a mutual overlapping of those edges having the adhesive layer interposed therebetween.
  • US-A- 2 362 819 describes a package wrapping machine able to perform the operations mentioned above. With this machine, the articles or packages are conveyed to several sealing stations disposed one after the other along the conveying or feed direction and each performing a specific operation.
  • the machine according to the previons patent is complex because the carrying out of the various operations requires several sealing stations using complex transversally or vertically shiftable means in order to adapt to the length and thickness of each package and to register with the area of the package they are to deal with.
  • the main object of the present invention is to overcome, at least partially, the problems of the prior art through a method and equipment which allow to carry out, in a simple way, the sealing of the opposite ends of the wrapping, wound around the article to be packaged.
  • Another object of the present invention is to carry out the sealing of the wrapping in a very reliable way, indipendently of the dimensions of the wrapping or of the article contained thereinto.
  • each of said wrappings comprising a sheet of paper-material provided with a layer of adhesive material along at least three perimetrical edges thereof and wrapped substantially according to a tubular configuration around the article, said wrapping being arranged to be sealed at the opposite ends of said tubular configuration by a mutual ovelapping of the edges wherebetween the adhesive layer is interposed , said method comprising the steps of :
  • reference numeral 1 indicates as a whole, an equipment for sealing wrappings in the packaging of articles, according to the present invention.
  • the equipment 1 carries out the sealing of conventional wrappings 2 consisting substantially of a sheet of paper-material having at least three perimetrical edges provided with an adhesive layer, partially visible and indicated by 2a in figure 1.
  • the sheet forming the wrapping 2 is wound, manually or by means of suitable automatic equipments, around an article 3 to be packaged so that two edges of the sheet itself are reciprocally overlapped and fixed, one on the other, through the adhesive layer therebetween interposed.
  • the wrapping 2 extends around the article 3 according to a tubular configuration and has a first end 4 and a second end 5 ready to be sealed by means of the invented equipment.
  • the equipment 1 carries out the sealing of wrapping 2 according to a method comprising the steps of:
  • the apparatus 1 includes a feed line 10 along which are conveyed, through a conveyor belt 10a or other equivalent means, the articles 3 which, wrapped into respective wrappings 2, are gradually laid down on the feed line itself.
  • laying down of articles 3 on feed line 10 occurs in such a way that each one of wrappings 2 offers its ends 4,5 open and aligned in a direction transversal to the feed direction of the articles along the feed line 10, as clearly visible in figure 1.
  • sealing station 6 Located downstream the feed line 10, is said sealing station 6, which is arranged to receive singly and in sequence the articles 3, carried by the feed line 10, in order to seal the ends 4,5 of wrappings 2.
  • the sealing station 6 comprises first conveying means, preferably consisting of parallel dragging belts 11, arranged to shift the article conveyed to the sealing station 6 along the feed direction of feed line 10, as well as second conveying means arranged to shift the article 3 in a direction perpendicular to the feed direction of the first conveying means.
  • the second conveying means consist of a plurality of dragging rollers 12, each interposed between two consecutive dragging belts 11 and having their respective axis extending parallel to the belts.
  • the rollers 12 are simultaneously movable, in a substantially vertical direction, from a rest position in which they are at a lower level with respect to the lying plane of the upper edges of dragging belts 11, to an operative position in which they project above said lying plane of the belts (fig.3).
  • the former (11) and latter (12) dragging means are intergrated in a module, indicated as a whole by reference numeral 21, known per se and of conventional type, and therefore are not further described as to their structure.
  • the sealing station 6 further comprises positioning means effective to operate on the article 3, which reaches the station, for arranging it according to a prefixed orientation.
  • the positioning means make the article 3 oriented in such a way that the ends 4,5 of the corresponding wrapping 2 are reciprocally aligned perpendicularly to the feed direction of feed line 10, as well as of dragging belts 11.
  • the positioning means include the aforesaid reference guide 7 extending perpendicularly to the feed direction, shiftable or displaceable upon command of an actuator 13, from an operative position (figure 2) in which it operates on the dragging belts 11 to provide a bearing seat for the article 3, to a rest position (figures 3 to 6) in which it is lifted upon the dragging belts in order to let the article 3 pass under the reference guide itself.
  • first sealing group 8 and second sealing group 9 Arranged at the opposite sides of the sealing station 6, are respectively above mentioned first sealing group 8 and second sealing group 9, which operate to carry out, in a way which will appear better hereinafter, the sealing of the ends 4,5 of wrapping 2 in which the article 3 is enclosed.
  • each of the sealing groups 8, 9 comprises essentially a pair of pressure elements 14a, 14b, 15a, 15b, slidably driven in a vertical direction and closable reciprocally, for instance upon command of an actuator 16, 17 or equivalent means.
  • the operation of the sealing station 6 acts so that the article 3, reaching the station, is initially laid down on the dragging belts 11, as can be seen in Fig.1.
  • the dragging belts 11, moving forward, lead the article 3 in abutment against the reference guide 7, arranged in the operative position.
  • the feed of belts 11 acts so that the article 3 is oriented parallel to reference guide 7, in order that the ends 4,5 of wrapping 2 are aligned perpendicularly to the belts themselves.
  • the dragging rollers 12, initially in a rest position are raised in an operative position so as to lift slightly the article for disengaging it from the dragging belts 11, as can be seen from figure 3.
  • the reference guide 7 is restored into the rest position and the dragging rollers are simultaneously rotated clockwise in order to shift the article in a trasversal direction towards right, with reference to the attached drawings.
  • a photoelectric cell 18, or a technically equivalent sensor controls the stop of the dragging rollers 12 and the mutual closing of the pressure elements upon the action of the actuator 16.
  • the edges of wrapping 2 at the first end 4 are squashed one upon the other, in order to produce their mutual firm union by means of the adhesive layer 2a therebetween interposed.
  • the pressure elements 14a, 14b of the first sealing group 8 are open again and then, the dragging rollers 12 are rotated counterclockwise in order to shift the article 3 to the left and arrange then the second end 5 for undergoing the action of the second sealing group 9 (figure 5).
  • the actuator 17, driven by a photoelectric cell 19 causes the mutual closing of the pressure elements for obtaining the sealing of the second end 5 of wrapping 2.
  • the dragging rollers 12 are actuated clockwise again in order to carry the packaged article 3 to the center of the sealing station 6, whereupon they are restored into the rest position.
  • the article 3 is thus lowered again and laid down on the dragging belts 11 which take it away from the sealing station 6.
  • the packaged articles are laid down on a discharge line 20 providing for the subsequent conveying of the articles through a belt conveyor 20a or other similar means.
  • the present invention achieves the proposed objects. Indeed, the method and equipment of the invention prove to be able to simply perform the sealing of the opposite ends of the wrapping wherein the article to be packaged is enclosed. Indeed, all the sealing operations are performed in a single sealing station. This avoids the use of several complex sealing stations.
  • the present invention allows to carry out the sealing of wrappings 2 independently of their sizes without requiring, for such purpose, any complex shiftable means designed to register with the area of the package they are deal with.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)

Claims (6)

  1. Verfahren zum Siegeln der Umhüllung (2) beim Verpacken von Gegenständen (3), wobei jede der genannten Umhüllungen (2) ein Blatt von papierartigem Material umfasst, das mit einer Schicht (2a) eines Klebers an mindestens drei von dessen Umfangskanten versehen ist und praktisch gemäss einer rohrartigen Konfiguration um den genannten Artikel (3) gewickelt ist, wobei weiter die genannte Umhüllung (2) ausgelegt ist, um an entgegengesetzten Enden (4, 5) der rohrartigen Konfiguration durch ein gegenseitiges Ueberlappen der Kanten, zwischen welchen sich die Kleberschicht (2a) befindet, versiegelt zu werden, und wobei das Verfahren die Schritte aufweist:
    - Fördern der Gegenstände (3) zu einer Siegelstation (6), wobei die Umhüllung (2) jedes Artikels (3) mit offenen Enden (4, 5) und gegenseitig ausgerichtet in einer Richtung quer zur Anlieferrichtung des Gegenstandes (3) angeordnet ist;
    - Ordnen der Gegenstände (3) vereinzelt und hintereinander auf der Siegelstation (6);
    gekennzeichnet durch die weitern Schritte:
    - Verschieben des in der Siegelstation (6) gemäss der Anlieferrichtung angeordneten Gegenstandes (3), um den genannten Gegenstand (3) in Anschlag mit einer Bezugsführung (7) zu bringen, um den Gegenstand (3) mit seinen Umhüllungsenden (4, 5) senkrecht zur genannten Anlieferrichtung ausgerichtet zu orientieren;
    - leichtes Anheben des Gegenstandes (3);
    - Verschieben des Gegenstandes (3) in einer Richtung senkrecht zur genannten Anlieferrichtung, um ein erstes Umhüllungsende (4) in Eingriff zu bringen mit einer ersten Siegelgruppe (8), welche an einer Seite der Siegelstation wirksam ist;
    - Siegeln des ersten Umhüllungsendes (4) unter der Wirkung der ersten Siegelgruppe (8);
    - Verschieben des Gegenstandes (3) in einer Richtung entgegengesetzt zu jener des vorausgegangenen Verschiebungsschrittes, um das zweite Umhüllungsende (5) in Eingriff mit einer zweiten Siegelgruppe (9) zu bringen, welche auf der Seite der Siegelstation (6) wirksam ist, die der ersten Siegelgruppe (8) entgegengesetzt ist;
    - Siegeln des zweiten Umhüllungsendes (5) unter der Wirkung der zweiten Siegelgruppe (9);
    - Verschieben des Gegenstandes (3) zur Mitte der Siegelstation (6);
    - erneutes Absenken und Verschieben des Gegenstandes (3) in der genannten Anlieferrichtung, um ihn von der Siegelstation (6) wegzunehmen.
  2. Vorrichtung zum Siegeln der Umhüllung (2) beim Verpacken von Gegenständen (3), wobei jede der genannten Umhüllungen (2) ein Blatt von papierartigem Material umfasst, das mit einer Schicht (2a) eines Klebers an mindestens drei von dessen Umfangskanten versehen ist und praktisch gemäss einer rohrartigen Konfiguration um den genannten Artikel (3) gewickelt ist, wobei weiter die genannte Umhüllung (2) ausgelegt ist, um an entgegengesetzten Enden (4, 5) der rohrartigen Konfiguration durch ein gegenseitiges Ueberlappen der Kanten, zwischen welchen sich die Kleberschicht (2a) befindet, versiegelt zu werden, wobei die genannten Vorrichtung (1) eine Anlieferbahn (10) aufweist, längs welcher die in ihre entsprechenden Umhüllungen (2) gewickelten Gegenstände (3) befördert werden, wobei jede Umhüllung (2) offene und quer zur Anlieferrichtung der Gegenstände (3) längs der Anlieferbahn (10) gegenseitig ausgerichtete Enden (4, 5) aufweist, und weiter eine nach der Anlieferbahn (10) angeordnete Siegelstation (6), die ausgelegt ist zum einzelnen und aufeinanderfolgenden Empfang der durch die Anlieferbahn (10) beförderten Gegenstände, um die Enden (4, 5) der genannten Umhüllungen (2) zu siegeln, wobei die genannten Siegelstation aufweist:
    - erste Verschiebemittel (11), um den in die genannten Siegelstation (6) beförderten Gegenstand (3) in Anlieferrichtung der Anlieferbahn (10) zu verschieben;
    - zwei je an entgegengesetzten Seiten der Siegelstation (6) angeordnete Siegelgruppen (8, 9), um das Siegeln der Enden (4, 5) der Umhüllung durchzuführen, worin der Gegenstand (3) eingeschlossen ist;
    wobei die genannten Vorrichtung (1) dadurch gekennzeichnet ist, dass sie weiter aufweist:
    - Positioniermittel (7, 13), die wirksam sind, um auf den genannten Gegenstand (3) einzuwirken, um ihn gemäss einer vorgegebenen Ausrichtung anzuordnen;
    - zweite Verschiebemittel (12), welche ausgelegt sind, um nach den Positioniermitteln (12, 13) wirksam zu werden, um den Gegenstand (3) senkrecht zur Anlieferrichtung der ersten Verschiebemittel (11) zu verschieben, um einzeln und aufeinanderfolgend die Umhüllungsenden (4, 5) für das Siegeln unter der Wirkung der Siegelgruppen (8, 9) anzuordnen.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die genannten ersten Verschiebemittel eine Anzahl von Förderbändern (11) aufweisen, die sich entlang der Förderrichtung der Anlieferbahn (10) erstrecken, dass die genannten zweiten Verschiebemittel eine Anzahl von Förderrollen (12) aufweisen, die je zwischen zwei der genannten Förderbänder (11) mit einer Achse parallel zur Längsausdehnung der letzteren angeordnet sind, wobei die genannten Rollen (12) simultan bewegbar sind von einer Ruhelage, in welcher sie unterhalb der Liegefläche der Förderbander (11) liegen, in eine Arbeitslage, in welcher sie über die genannte Liegefläche vorstehen.
  4. Vorrichtung nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, dass die genannten Positioniermittel mindestens eine Bezugsführung (7) umfassen, welche sich senkrecht zur Anlieferrichtung der Gegenstände (3) auf der Anlieferbahn (10) erstreckt, wobei die genannte Bezugsführung (7) verschiebbar ist aus einer Wirklage, in welcher sie auf die genannten ersten Verschiebemittel (11) einwirkt, um eine positive Haltestellung für den genannten Gegenstand vorzusehen, in eine Ruhelage, in welcher sie von den Verschiebemitteln (11, 12) abgehoben ist, um ein Durchlaufen des Gegenstandes (3) unter der genannten Bezugsführung (7) zu erlauben.
  5. Vorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass jede Siegelgruppe (8, 9) ein Paar von sich jeweils gegenüberliegenden Druckelementen (14a, 14b, 15a, 15b) umfasst, die in vertikaler Richtung gleitend angetrieben werden und bewegbar sind für die gegenseitige Annäherung, um das Siegeln der dazwischen angeordneten Umhüllungsenden (4, 5) auszuführen.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass jeder Siegelgruppe (8, 9) mindestens ein Sensor (18, 19) zugeordnet ist, welcher die Freigabe der zweiten Verschiebemittel und die gegenseitige Annäherung der Druckelemente (14a, 14b, 15a, 15b) steuert, wenn das Umhüllungsende (4, 5) zwischen den Druckelementen selbst liegt.
EP90111865A 1989-06-30 1990-06-22 Verfahren und Vorrichtung zum Siegeln der Umhüllung beim Verpacken von Gegenständen Expired - Lifetime EP0405354B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8921031A IT1230171B (it) 1989-06-30 1989-06-30 Procedimento ed apparecchiatura per effettuare la chiusura di involucri per il confezionamento di articoli.
IT2103189 1989-06-30

Publications (2)

Publication Number Publication Date
EP0405354A1 EP0405354A1 (de) 1991-01-02
EP0405354B1 true EP0405354B1 (de) 1993-10-06

Family

ID=11175668

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Application Number Title Priority Date Filing Date
EP90111865A Expired - Lifetime EP0405354B1 (de) 1989-06-30 1990-06-22 Verfahren und Vorrichtung zum Siegeln der Umhüllung beim Verpacken von Gegenständen

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EP (1) EP0405354B1 (de)
DE (1) DE69003748T2 (de)
IT (1) IT1230171B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5860270A (en) * 1997-09-02 1999-01-19 The Procter & Gamble Company Apparatus and method for sealing packages
DE102016113090A1 (de) * 2016-07-15 2018-01-18 Wavepack Gmbh Vorrichtung zum Verschließen von Versandverpackungen
CN108128498A (zh) * 2017-12-19 2018-06-08 马鞍山海明船舶配件有限公司 一种led灯具包装盒外包装膜的预封装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2362819A (en) * 1942-01-28 1944-11-14 Claude E Hinchey Package wrapping machine
JPS59163226A (ja) * 1983-02-12 1984-09-14 エ−・ツエ−・ハ−・ウイル・（ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング・ウント・コンパニ−） 送りラインから紙堆積体を配送するための装置

Also Published As

Publication number Publication date
DE69003748D1 (de) 1993-11-11
IT1230171B (it) 1991-10-14
EP0405354A1 (de) 1991-01-02
DE69003748T2 (de) 1994-05-05
IT8921031A0 (it) 1989-06-30

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