EP0399948B1 - Procédé et appareil pour la fabrication en continu d'emballages - Google Patents

Procédé et appareil pour la fabrication en continu d'emballages Download PDF

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Publication number
EP0399948B1
EP0399948B1 EP90810340A EP90810340A EP0399948B1 EP 0399948 B1 EP0399948 B1 EP 0399948B1 EP 90810340 A EP90810340 A EP 90810340A EP 90810340 A EP90810340 A EP 90810340A EP 0399948 B1 EP0399948 B1 EP 0399948B1
Authority
EP
European Patent Office
Prior art keywords
tube
items
negative pressure
intake chamber
transportation
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
EP90810340A
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German (de)
English (en)
Other versions
EP0399948A1 (fr
Inventor
Beda Ziegler
Ernst Wanner
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.)
Schweizerische Industrie Gesellschaft
Original Assignee
Schweizerische Industrie Gesellschaft
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Filing date
Publication date
Application filed by Schweizerische Industrie Gesellschaft filed Critical Schweizerische Industrie Gesellschaft
Publication of EP0399948A1 publication Critical patent/EP0399948A1/fr
Application granted granted Critical
Publication of EP0399948B1 publication Critical patent/EP0399948B1/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
    • B65B23/00—Packaging fragile or shock-sensitive articles other than bottles; Unpacking eggs
    • B65B23/10—Packaging biscuits
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/067—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web advancing continuously

Definitions

  • the present invention relates to a method and a device for the continuous production of packs according to the preamble of patent claims 1 and 5, respectively.
  • product safeguards such as belts, chains with holders, i.e. with fingers, chains with pressing pieces and the like, are often applied to the biscuit groups or in the group spaces between a hose folding device and a transverse heating.
  • product safeguards such as belts, chains with holders, i.e. with fingers, chains with pressing pieces and the like, are often applied to the biscuit groups or in the group spaces between a hose folding device and a transverse heating.
  • a device is known in which the objects are held by rotating holders and in which the hose conveying means for the further transport of the hose is located in an area between a sealing device and the hose folding means.
  • Such product locks which can touch the hose hard or soft, for example also via foam rubber or leaf springs, are designed for the product dimensions and tolerances.
  • a suitable safety device must be available for each new product dimension, which can be replaced with the old one.
  • Such packaging machines sometimes also have suction devices which, after the tube feed means, are viewed in the conveying direction and / or are arranged in the region of the transverse heaters in order to prevent the packs from inflating or to enable better transverse sealing and thus more attractive gusset folds.
  • suction devices which, after the tube feed means, are viewed in the conveying direction and / or are arranged in the region of the transverse heaters in order to prevent the packs from inflating or to enable better transverse sealing and thus more attractive gusset folds.
  • Such a packaging machine is known for example from DE-A-28 00 658. However, this does not solve the disadvantages shown.
  • the device according to FIG. 1 has a transport chain 1 on which two stacks 2, 3 of biscuits standing upright are transported, the stack 3 being located partly in a hose folding means or folding box 4.
  • a suction chamber 5 in which a deflection wheel 6 for the transport chain 1 is accommodated as the first means of transport.
  • a take-off roller 7 two optionally electrically heated sealing rollers 8 and 9 and a transverse sealing roller 10 are present, which cooperate in the second transport.
  • drivers 11, 11 ', 11 ⁇ , .... and retaining fingers 12, 12', ... are arranged at equal intervals.
  • the conveyor chain 1 resting on the upper guide 13 enters the suction chamber 5 at the top and emerges at the bottom of a lower guide 14.
  • the interior of the suction chamber 5 is connected via a suction duct 15 to a fan 16, which form a suction device.
  • the opening of the suction channel 15 can be gradually closed with a displaceable throttle plate 17.
  • the suction chamber 5 has one with the Opening communicating atmosphere, which can be closed via a likewise displaceable closure plate 18.
  • the device according to FIG. 1 also has a film roll 19, from which a film 20 is drawn to produce the packs.
  • FIG. 2 the folding box 4, the suction chamber 5 with the suction channel 15 and two rollers 7 ', 7 ⁇ of the take-off roller 7 (Fig. 1) are shown schematically.
  • FIG. 3 shows a rear view of the suction chamber 5, the suction channel 15 and the fan 16.
  • the transport chain 1 a retaining finger 51, a driver 52, the upper guide 13 and the lower guide 14 can also be seen.
  • the device according to the invention functions as follows:
  • the biscuits stacked upright on the conveyor level between the carriers 11 and the retaining fingers 12 are transported in groups through the transport chain 1 to the folding box 4.
  • the packaging material 20 is tubular around the in a known manner packing biscuits or other objects, with a protruding longitudinal seam 21 being formed on the lower side, which is detected by the driven rollers 7, 8, 9, which can each comprise, for example, a pair of rollers (7 ', 7 ⁇ in FIG. 2) to advance the hose.
  • the longitudinal seam 21 is welded by the sealing rollers 8 and 9.
  • the tube 20 with the enclosed objects then passes into the cross-sealing roller 10 to produce the cross-welding point in order to weld one end of the packaging in each case.
  • the objects are thus transported through the conveyor chain 1 only up to the level of the suction chamber 5, where the drivers 11 'and retaining fingers 12' tip over in the manner shown in FIGS. 4 to 6 sequentially.
  • the action of the fan 16 creates a negative pressure in the suction chamber 5, which can propagate through the entire interior of the hose. This pressure is subjected to jerky fluctuations which occur when the retaining fingers 12 or the drivers 11 pass through the openings 53 and 54, because the effective opening area of these openings is then smaller.
  • the fan 16 must therefore be strong enough to suck up the air that flows in larger or smaller quantities through these openings.
  • An oversized fan 16 can expediently be provided, the vacuum effect of which is reduced by the plates 17 and 18.
  • the instantaneous vacuum surges can also be provided that the end of the folding box 4 is not flush with the beginning of the suction chamber 5. 1, the suction chamber 5 can therefore be shifted both to the right and to the left.
  • the vacuum can be, for example, between 0.03 to 0.1 mWS (approx. 300 to 1000 Pascal), although these limits are not mandatory.
  • the closure plate 18 and / or the throttle plate 17 can be adjusted in such a way that the changes in vacuum are less than +/- 0.01 mWS. It is also possible to control the closure 18 and / or the throttle 17 in time with the passages of the rotating holder 11, 12 'or 51, 53 through the openings 53 and 54 that the negative pressure in the suction chamber 5 is only small Subject to fluctuations.
  • the mechanism by which these plates 17, 18 can be controlled is not shown in the figures because its manufacture does not present any particular difficulties for the person skilled in the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Making Paper Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (9)

  1. Procédé pour la fabrication en continu d'emballages de groupes d'objets se trouvant de chant au moyen d'un tube d'enveloppement comportant un Joint longitudinal formant nervure et deux joints transversaux, les objets étant amenés à des moyens (4) de plissage de tube, dans lesquels un matériau (20) d'emballage est placé sous la forme d'un tube autour d'un groupe de ces objets, le premier et le dernier objets de chacun des groupes (3, 3') d'objets étant maintenus, pendant une première section de transport, par des dispositifs (12, 11, 12', 11') de maintien à déplacement circulaire d'un premier dispositif (1) de transport guidé autour d'un organe (6) de renvoi disposé en aval jusqu'à ce que la fonction de support soit reprise par le tube constituant un deuxième dispositif de transport et ce tube (20) étant transporté plus loin grâce à des moyens (7, 8, 9) de transport de tube qui se trouvent dans une zone entre un dispositif (10) de scellement et les moyens (4) de plissage du tube, caractérisé en ce que, dans le tube (20), avant les moyens (7, 8, 9) de transport de tube et au niveau de l'organe (6) de renvoi du premier dispositif de transport est créée une dépression pour presser le matériau (20) d'emballage sur les arêtes des objets (3').
  2. Procédé selon la revendication 1, caractérisé en ce que la dépression a une valeur comprise dans le domaine de 300 Pa à 1000 Pa.
  3. Procédé selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que la dépression varie selon une cadence réglée mécaniquement.
  4. Procédé selon la revendication 3, caractérisé en ce que les variations de dépression variant selon une cadence fixée mécaniquement ont une valeur inférieure à +/- 100 Pa.
  5. Dispositif pour la mise en oeuvre du procédé selon l'une quelconque des revendications 1 à 4, comprenant un premier dispositif (1) de transport destiné aux objets et qui comporte un dispositif (12, 11, 12', 11', ...) de maintien à déplacement circulaire destiné au maintien de chant des objets et qui est entraîné par un organe (6) de renvoi disposé en aval, des moyens (4) de plissage de tube destinés à former un tube (20) autour de chaque groupe desdits objets et des moyens (7, 8, 9) de transport de tube pour le transport plus loin du tube (20) contenant les groupes, lesdits moyens (7, 8, 9) de transport de tube se trouvant dans une zone entre un dispositif de scellement (10) et les moyens (4) de plissage du tube, caractérisé en ce que l'organe (6) de renvoi est disposé dans une chambre d'aspiration (5) qui est reliée à une source de vide (16) et en ce que cette chambre d'aspiration (5) se trouve avant les moyens (7, 8, 9) de transport de tube.
  6. Dispositif selon la revendication 5, caractérisé en ce que la chambre d'aspiration (5) comporte à chaque fois une ouverture (53; 54) à travers laquelle les dispositifs (11, 12'; 51, 52) de maintien à déplacement circulaire entrent et sortent.
  7. Dispositif selon la revendication 6, caractérisé en ce que dans la chambre d'aspiration (5) est prévu un dispositif de renvoi comprenant un axe et une roue de renvoi (6).
  8. Dispositif selon l'une quelconque des revendications 6 ou 7, caractérisé en ce que la chambre d'aspiration (5) comporte une autre ouverture comportant une fermeture réglable (18) et/ou le dispositif d'aspiration (15, 16) comporte un clapet réglable (17).
  9. Dispositif selon la revendication 8, caractérisé en ce que la fermeture (18) et/ou le clapet (17) peuvent être commandés en cadence par rapport aux mouvements de traversée des dispositifs (11, 12' 51, 52) de maintien à déplacement circulaire à travers les deux premières ouvertures (53, 54) de telle sorte que la dépression existant dans la chambre d'aspiration (5) ne soit soumise qu'à de faibles variations.
EP90810340A 1989-05-24 1990-05-04 Procédé et appareil pour la fabrication en continu d'emballages Expired - Lifetime EP0399948B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1947/89 1989-05-24
CH194789 1989-05-24

Publications (2)

Publication Number Publication Date
EP0399948A1 EP0399948A1 (fr) 1990-11-28
EP0399948B1 true EP0399948B1 (fr) 1994-11-02

Family

ID=4222313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810340A Expired - Lifetime EP0399948B1 (fr) 1989-05-24 1990-05-04 Procédé et appareil pour la fabrication en continu d'emballages

Country Status (6)

Country Link
US (1) US5052166A (fr)
EP (1) EP0399948B1 (fr)
JP (1) JPH0329712A (fr)
BR (1) BR9002179A (fr)
DE (1) DE59007596D1 (fr)
ES (1) ES2062484T3 (fr)

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US5311726A (en) * 1992-06-17 1994-05-17 Rauscher Franc W Air extraction apparatus for continuous package making
EP0638476B1 (fr) * 1993-08-10 1997-04-16 Burton's Gold Medal Biscuits Limited Machine d'emballage
US5465550A (en) * 1994-07-14 1995-11-14 Wrapmatic S.P.A. Quick-release conveying arm in machines for assembling and wrapping packs of rolls
BR9509123A (pt) * 1994-10-03 1997-09-02 Sig Schweizerische Industrei G Correia sem fim e máquina de embalagem
US5537802A (en) * 1994-11-29 1996-07-23 The Procter & Gamble Company Packaging apparatus and method for preventing separation of package seals
EP0796168B1 (fr) * 1994-12-06 1998-05-20 SIG Schweizerische Industrie-Gesellschaft Dispositif de scellement transversal pour machines a former et a remplir des sachets tubulaires
GB9500652D0 (en) * 1995-01-13 1995-03-08 Burton S Gold Medal Biscuits Packaging machine
DE59601723D1 (de) * 1995-06-13 1999-05-27 Sig Pack Systems Ag Zuführeinrichtung zu einer verpackungsmaschine
DE19800682B4 (de) * 1998-01-10 2004-07-08 Lts Lohmann Therapie-Systeme Ag Verfahren zur Herstellung einer Primärverpackung für film- oder oblatenförmige Darreichungsformen
US6138442A (en) * 1998-10-13 2000-10-31 Kliklok Corporation Packaging machine with continuous sealing jaw movement
US6125990A (en) * 1999-04-01 2000-10-03 Campbell-Hardage, Inc Infeed slug loader
ATE276140T1 (de) 2000-01-27 2004-10-15 Sig Pack Systems Ag Vorrichtung zum versiegeln eines verpackungsschlauches
US7114535B2 (en) * 2003-08-28 2006-10-03 Hartness International, Inc. Circular motion filling machine and method
US7261199B2 (en) 2004-06-29 2007-08-28 Hartness International, Inc. Neck gripping conveyor and link, and related rotary filler and system
US7216758B2 (en) 2003-11-13 2007-05-15 Hartness International, Inc. Conveyor with opposed spring-loaded grippers, and related conveyor link
US7207434B2 (en) 2003-11-13 2007-04-24 Hartness International, Inc. Conveyor with center-actuatable gripper, and related conveyor link
US7264113B2 (en) 2003-11-13 2007-09-04 Hartness International, Inc. Pivotable conveyor and link
US7055677B2 (en) 2003-11-13 2006-06-06 Hartness International, Inc. Conveyor with movable grippers, and related conveyor link
US7036658B2 (en) * 2003-11-13 2006-05-02 Hartness International, Inc. Gripper conveyor with clear conveying path and related conveyor link
US7055676B2 (en) 2003-11-13 2006-06-06 Hartness International, Inc. Conveyor with movable gripper and related conveyor link
WO2005123514A1 (fr) * 2004-06-16 2005-12-29 Robert Bosch Gmbh Dispositif et procede pour sceller transversalement un tube d'emballage
US7185753B2 (en) 2004-09-28 2007-03-06 Hartness International, Inc. Shuttle conveyor
JP5302039B2 (ja) * 2009-02-16 2013-10-02 株式会社イシダ 箱詰め装置
ITBO20090830A1 (it) * 2009-12-28 2011-06-29 Andrea Zucchini Metodo ed unita' di incarto di prodotti in involucri aderenti.
GB2512135B (en) * 2013-03-22 2015-05-06 A M Packaging Ltd Packaging Machine
DE102013210633A1 (de) * 2013-06-07 2014-12-11 Hastamat Verpackungstechnik Gmbh Verfahren und Vorrichtung zur Herstellung von Verpackungseinheiten in einer Schlauchbeutelmaschine
DE102013210630B4 (de) * 2013-06-07 2015-09-03 Hastamat Verpackungstechnik Gmbh Folienbahnumlenkvorrichtung sowie Vorrichtung zur Herstellung von Verpackungseinheiten umfassend eine Folienbahnumlenkvorrichtung
CN104290952A (zh) * 2014-09-02 2015-01-21 余姚市庆达机械有限公司 一种无托包装机
IT201600092656A1 (it) * 2016-09-14 2018-03-14 Cavanna Spa Procedimento e apparecchiatura per il confezionamento di prodotti

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US3402524A (en) * 1952-09-19 1968-09-24 Nat Biscuit Co Apparatus for packaging articles
US2919990A (en) * 1955-06-22 1960-01-05 Nat Dairy Prod Corp Method of continuously producing packaged units
GB795397A (en) * 1955-11-24 1958-05-21 Rose Brothers Ltd Improvements in the production of wrapped packages
CH376047A (de) * 1962-07-13 1964-03-15 Sig Schweiz Industrieges Vorrichtung zum kontinuierlichen Herstellen von Packungen
US3274746A (en) * 1963-09-09 1966-09-27 Hayssen Mfg Company Method of and apparatus for packaging units in a preservative atmosphere
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GB1444277A (en) * 1973-08-22 1976-07-28 Baker Perkins Holdings Ltd Wrapping machines
IT1025617B (it) * 1974-11-12 1978-08-30 Segale Luigi Macchina per confezionare prodotti da conservare sotto vuoto o in atmosfera di adatti gas
CH610260A5 (fr) * 1977-02-02 1979-04-12 Sig Schweiz Industrieges
US4272944A (en) * 1978-09-19 1981-06-16 Tadoru Suga Apparatus for continuously wrapping successive articles under vacuum in heat-sealable film
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US4642969A (en) * 1985-03-27 1987-02-17 Johnson Charles H Method and apparatus for wrapping blocks of cheese

Also Published As

Publication number Publication date
EP0399948A1 (fr) 1990-11-28
JPH0329712A (ja) 1991-02-07
DE59007596D1 (de) 1994-12-08
ES2062484T3 (es) 1994-12-16
US5052166A (en) 1991-10-01
BR9002179A (pt) 1991-08-13

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