EP0576058A1 - Verfahren und Vorrichtung zum Herstellen von biegsamen Behältern in einem diskontinuierlichen Zyklus und zur nachfolgenden Endverarbeitung dieser Behältern in einem kontinuierlichen Zyklus - Google Patents

Verfahren und Vorrichtung zum Herstellen von biegsamen Behältern in einem diskontinuierlichen Zyklus und zur nachfolgenden Endverarbeitung dieser Behältern in einem kontinuierlichen Zyklus Download PDF

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Publication number
EP0576058A1
EP0576058A1 EP93201541A EP93201541A EP0576058A1 EP 0576058 A1 EP0576058 A1 EP 0576058A1 EP 93201541 A EP93201541 A EP 93201541A EP 93201541 A EP93201541 A EP 93201541A EP 0576058 A1 EP0576058 A1 EP 0576058A1
Authority
EP
European Patent Office
Prior art keywords
containers
filling
sealing
container
machine
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.)
Granted
Application number
EP93201541A
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English (en)
French (fr)
Other versions
EP0576058B1 (de
Inventor
Mario Ronchi
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.)
Ronchi Mario Srl
Original Assignee
RONCHI MARIO Srl OFFICINE MECCANICHE
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Filing date
Publication date
Application filed by RONCHI MARIO Srl OFFICINE MECCANICHE filed Critical RONCHI MARIO Srl OFFICINE MECCANICHE
Publication of EP0576058A1 publication Critical patent/EP0576058A1/de
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Publication of EP0576058B1 publication Critical patent/EP0576058B1/de
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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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles

Definitions

  • the present invention relates to a method and corresponding automatic equipment for the production and filling of flexible containers in packet form with the formation of the containers in a discontinuous cycle and the finishing of the containers in a continuous cycle.
  • the known art also includes automatic equipment capable of producing the said packets from a roll of plastic sheet material and of filling and hermetically sealing the packets thus produced, such equipment substantially consisting of a first unit for forming the packet and a second unit disposed in series with the first, in which the packet is filled and sealed; an example of this type of machine is described, for example, in patent application IT-68.032 A/90.
  • any significant increase in the speed of advance to compensate for the cycle time is prevent by the fact that abrupt accelerations and stops which this entails cause the liquid to leak from the packet, resulting in an unacceptable increase in wasted production owing to the failure to maintain the guaranteed mean filling level.
  • a further object of the present invention is equipment for the production, filling and sealing by the method described above of containers made of flexible material, comprising a unit for producing said containers and feeding them to a machine for their filling and sealing, characterized in that the said filling and sealing machine is of the type with continuously rotating carousels with individual filling, sealing and cooling stations rotating continuously in synchronization with the continuous rotary advance of each container, means of synchronizing the feed of containers from external equipment also being present.
  • the said finishing machine comprises at least one wheel for the advance of the said containers in continuous rotation, rotating coaxially with means of capturing and filling the containers, while there is also provided at least one wheel for the advance of the said containers in continuous rotation, rotating coaxially with individual means of capturing, sealing and cooling the containers.
  • the said synchronizing means comprise a compensator, a step-by-step feed device, a device for cutting the continuous strip into individual containers, and a device for feeding the said containers to the continuous finishing machine.
  • the said means of capturing the containers preferably consist of suction cups integral with arms movable linearly in a direction perpendicular to the lateral surfaces of the containers to enable the said lateral surfaces to be held and separated to create a filling aperture
  • the said means of capturing and sealing the containers preferably consist of jaws movable in both vertical directions for lowering and raising, and also in the two horizontal directions for closing and re-opening, provided with resistances capable of heat-welding the top aperture of the container and with ducts for the passage of cooling liquid capable of cooling the container.
  • the equipment according to the invention substantially consists of a unit 100 for forming a continuous strip 101 divided into individual containers 400, operating with a discontinuous step-by-step advance, and a machine 200 for filling and sealing the individual containers 400, operating with a continuous cycle as will be described in greater detail subsequently; a unit 300 for cutting the strip into individual containers and for synchronizing the feed of the said individual containers 400 to the finishing machine 200 is interposed between the unit 100 with discontinuous advance for the formation of the strip of containers and the machine 200 with a continuous cycle for finishing the said containers.
  • the unit 100 for forming the continuous strip 101 known in itself as regards its general characteristics and therefore described only with respect to its essential components, has a reel 102 for feeding a sheet 101 of plastic or like material which is unwound by a motor 102a with feedback control provided by means of a compensator 102b which accumulates and keeps in tension a certain quantity of film to ensure the correct feeding of the film to the subsequent processing stations.
  • the film passes through the station for bringing the strip into a vertical position; the strip is then half bent to form the two lateral flaps 101a and 101b of the container 400.
  • the film undergoes the bending of its base into a double "W" so that the base is prepared for the subsequent operations of sealing and cooling performed at corresponding stations 104 and 105 disposed in series along the path of the strip 101.
  • the strip 101 is fed, and drawn by the latter, to a unit 300 (Fig. 4) comprising a compensator 301 which is required to keep the strip 101 taut in its passage from the forming unit 100 to the finishing machine 200, while compensating for the different stage of advance of the strip 101 which in the example is to be transformed from the two-step advance of the forming unit 100 into a single-step advance for the subsequent cutting station 303 which is supplied by the step-by-step feed device 302 (Fig. 4).
  • the strip fed in this way by single steps corresponding to the width of each individual packet enables the strip 101 to be divided into individual containers 400 which are introduced into the finishing machine 200 through a synchronizing device 304 which sends the said containers 400 to the first wheel 201 of the machine 200 in which the continuous advance and processing cycle commences.
  • the finishing machine 200 has a driving mechanism 210 capable of imparting a continuous motion to the said first wheel 201, on which the filling of the container 400 takes place; to the star wheel 202 for conveying the container 400, which is filled but still open at its top, to the second wheel 202, on which the upper extremity of the container 400 is heat-welded and cooled; and to the star wheel 204 for discharging the finishing container to the output conveyor 205.
  • the wheel 201 is mounted rotatably about a vertical axis consisting of a sleeve 201a inside which and coaxially with which is disposed the tube 201b for feeding the liquid to be metered and injected into the packets 400.
  • the air suction tube 201c which provides a pressure drop at the suction cups 201d disposed at the extremities of radial arms 201e which have the function of retaining the two lateral flaps 400a and 400b of the container 400, enabling them to be separated to form an upper aperture through which the metered liquid can be injected.
  • the said separation takes place by the symmetrical separation of the suction cups 201d as a result of a corresponding traversing movement executed by the movable supports 201f of the suction cups 201d.
  • the liquid is metered by metering devices 201g supplied through the duct 201b, which send the programmed dose to the injector 201h which injects the dose into the container 400 which is in the form of an open packet.
  • the pressure drop at the suction cups 201d is eliminated to leave the container 400 free to pass to the star wheel 202 and from this, after a corresponding rotation, to the second wheel 203, substantially like the wheel 201, on which the operations of sealing the container 400 are executed as described below.
  • the wheel 203 (Fig. 5) rotates on a central shaft 203a coaxially with which is disposed, in an upper position, a second rotating mechanism formed by a central hub 203b from which branch radial arms 203c, on the free ends of which are disposed the heat-welding mechanisms, each of which comprises two jaws 203d mounted on guides which permits two-way movement either vertically, for lowering and raising, or horizontally, for closing and re-opening.
  • the jaws 203d are integral with an electrical resistance 203e and ducts 203f for the supply of a cooling liquid for a rapid cooling of the container after the sealing by heat-welding.
  • the following operations are executed simultaneously for each container: lowering of the jaws 203d, closing of the jaws with consequent closing of the lateral flaps 400a and 400b of the container, connection of the resistances 203e for the sealing of the container 400, circulation of cooling liquid for the cooling of the container, re-opening and raising of the jaws 203d which are then ready for another cycle, and passage of the finished container to the discharge star wheel 204.
  • the container 400 can then be sent to the output conveyor belt or the like.
  • the compensating device 301, synchronizing device 302 and cutting device 303 would he superfluous and could be removed or neutralized while keeping the configuration of the synchronizing device 304 unchanged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Closing Of Containers (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Package Closures (AREA)
EP93201541A 1992-06-05 1993-05-29 Vorrichtung zur Endverarbeitung biegsamer Behälter in einem kontinuierlichen Zyklus Expired - Lifetime EP0576058B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI921409A IT1258953B (it) 1992-06-05 1992-06-05 Metodo e impianto per la produzione a ciclo discontinuo di contenitori flessibili e successivo confezionamento degli stessi a ciclo continuo
ITMI921409 1992-06-05

Publications (2)

Publication Number Publication Date
EP0576058A1 true EP0576058A1 (de) 1993-12-29
EP0576058B1 EP0576058B1 (de) 1998-02-04

Family

ID=11363471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93201541A Expired - Lifetime EP0576058B1 (de) 1992-06-05 1993-05-29 Vorrichtung zur Endverarbeitung biegsamer Behälter in einem kontinuierlichen Zyklus

Country Status (4)

Country Link
EP (1) EP0576058B1 (de)
AT (1) ATE162988T1 (de)
DE (1) DE69316793D1 (de)
IT (1) IT1258953B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002002403A1 (fr) * 2000-06-06 2002-01-10 Lozhnikov Alexandr Nikolaievic Installation pour le conditionnement de produits fluides en sachets
EP1279601A2 (de) * 2001-07-26 2003-01-29 Weitek Industrial Controls S.r.l. Verfahren und Vorrichtung zum Befüllen von Säcken
RU2469928C1 (ru) * 2011-05-31 2012-12-20 Государственное образовательное учреждение высшего профессионального образования Волгоградский государственный технический университет (ВолгГТУ) Устройство для автоматического раскрытия, удержания и закрытия мешков
US9352860B2 (en) 2011-05-09 2016-05-31 Haver & Boecker Ohg Rotatable packaging machine, and method for filling open bags

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10235929C5 (de) 2002-08-06 2011-01-20 Krones Ag Vorrichtung zum Befüllen von Standbodenbeuteln
IT201800003495A1 (it) 2018-03-13 2019-09-13 Gd Spa Unità per il riempimento di una successione di incarti tubolari dell’industria del tabacco

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1073930A (en) * 1963-11-29 1967-06-28 Kurt Ott Apparatus for making and filling bags
US3478492A (en) * 1966-04-21 1969-11-18 Cloud Machine Corp Packaging machine
GB1200874A (en) * 1969-03-27 1970-08-05 Cloud Machine Corp Improvements in or relating to the manufacture of sealed packages from strip stock
EP0054284A1 (de) * 1980-12-17 1982-06-23 Ab Tetra Pak Maschine zum Herstellen, Füllen und Verschliessen von Packungen
US4353198A (en) * 1979-12-21 1982-10-12 Koppe Robert G Pouch forming and filling apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1073930A (en) * 1963-11-29 1967-06-28 Kurt Ott Apparatus for making and filling bags
US3478492A (en) * 1966-04-21 1969-11-18 Cloud Machine Corp Packaging machine
GB1200874A (en) * 1969-03-27 1970-08-05 Cloud Machine Corp Improvements in or relating to the manufacture of sealed packages from strip stock
US4353198A (en) * 1979-12-21 1982-10-12 Koppe Robert G Pouch forming and filling apparatus
EP0054284A1 (de) * 1980-12-17 1982-06-23 Ab Tetra Pak Maschine zum Herstellen, Füllen und Verschliessen von Packungen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002002403A1 (fr) * 2000-06-06 2002-01-10 Lozhnikov Alexandr Nikolaievic Installation pour le conditionnement de produits fluides en sachets
EP1279601A2 (de) * 2001-07-26 2003-01-29 Weitek Industrial Controls S.r.l. Verfahren und Vorrichtung zum Befüllen von Säcken
EP1279601A3 (de) * 2001-07-26 2003-04-02 Weitek Industrial Controls S.r.l. Verfahren und Vorrichtung zum Befüllen von Säcken
US9352860B2 (en) 2011-05-09 2016-05-31 Haver & Boecker Ohg Rotatable packaging machine, and method for filling open bags
RU2469928C1 (ru) * 2011-05-31 2012-12-20 Государственное образовательное учреждение высшего профессионального образования Волгоградский государственный технический университет (ВолгГТУ) Устройство для автоматического раскрытия, удержания и закрытия мешков

Also Published As

Publication number Publication date
ATE162988T1 (de) 1998-02-15
IT1258953B (it) 1996-03-11
ITMI921409A1 (it) 1993-12-05
EP0576058B1 (de) 1998-02-04
ITMI921409A0 (it) 1992-06-05
DE69316793D1 (de) 1998-03-12

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