EP0492140A2 - Machine d'emboutissage pour la formation, le remplissage et la fermeture de récipients à partir d'une bande thermoplastique alimentée de façon intermittente par un conveyeur - Google Patents

Machine d'emboutissage pour la formation, le remplissage et la fermeture de récipients à partir d'une bande thermoplastique alimentée de façon intermittente par un conveyeur Download PDF

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Publication number
EP0492140A2
EP0492140A2 EP91119927A EP91119927A EP0492140A2 EP 0492140 A2 EP0492140 A2 EP 0492140A2 EP 91119927 A EP91119927 A EP 91119927A EP 91119927 A EP91119927 A EP 91119927A EP 0492140 A2 EP0492140 A2 EP 0492140A2
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EP
European Patent Office
Prior art keywords
filling
station
plastic film
thermoforming machine
machine according
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.)
Withdrawn
Application number
EP91119927A
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German (de)
English (en)
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EP0492140A3 (en
Inventor
Alfons Turtschan
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.)
FORMSEAL
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FORMSEAL
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Filing date
Publication date
Application filed by FORMSEAL filed Critical FORMSEAL
Publication of EP0492140A2 publication Critical patent/EP0492140A2/fr
Publication of EP0492140A3 publication Critical patent/EP0492140A3/de
Withdrawn legal-status Critical Current

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    • 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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/025—Packaging in aseptic tunnels

Definitions

  • the invention relates to a deep-drawing machine for molding, filling and closing containers from a thermoplastic plastic film web that is cyclically transported by means of a conveying device, with a molding station, a filling station and a closing and punching station.
  • Thermoforming machines of the type mentioned at the outset are known, for example, from German Offenlegungsschrift 37 39 432.
  • the deep-drawing machine or packaging machine shown there has a frame which extends over the entire length of the machine and from which the molding station, the filling, closing and punching station are carried.
  • the plastic film web drawn off from a supply roll on the input side of the packaging machine is moved by gripper elements over the entire length Machine extending lateral transport chains detected and passed through the stations to the opposite end of the machine.
  • a further supply roll for feeding a cover film is provided immediately before the sealing station.
  • the plastic film web is therefore guided through the entire machine by a single conveyor and the molding station and the sealing and possibly punching station are separated from the common frame Machine worn.
  • thermoforming and filling machines are part of the state of the art. Such machines work satisfactorily. However, they require a comparatively high production cost.
  • the heating, molding, filling and presealing station are located in a closed sterile room which is under constant overpressure. Because of the arrangement of the molding station within the closed sterile room, the entire molding station must be made of rustproof material. Since the molding station is a relatively large assembly of the machine, a thermoforming machine designed in this way is quite expensive. In addition, the effort for cleaning and sterilizing is quite high. Because of the comparatively large sterile room, a lot of energy is required for the cleaning and sterilizing liquid. These difficulties increase when the transport chain for moving the plastic film web extends through the entire machine, that is from the molding station to the sealing and punching station. The transport chains must be lubricated frequently, which means that there is a risk of reinfection.
  • the invention has for its object to provide a thermoforming machine of the type mentioned, which with a simplified and inexpensive construction as a standard, germ arm or aseptic machine allows a flexible design or a variety of configurations and can be easily and optimally cleaned and / or can be sterilized.
  • the filling station is designed in a filling room and an upstream sterilization room for low-germ or aseptic filling of the containers and that at least the molding station is connected to the filling station as a separate unit.
  • the idea of the invention therefore consists first of all in connecting the filling station of a conventional filling machine having a filling room and sterilization room for low-germ or aseptic filling to a molding station located outside the sterile room.
  • the components of the forming station do not need to be made of rustproof material, such as. As stainless steel, to be made, which significantly reduces the manufacturing costs of such a combined machine.
  • thermoforming machine suitable for molding, filling and closing containers from a thermoforming plastic film web that is cyclically transported by means of a conveyor device, with a molding station, a filling station and a sealing and punching station according to the invention, the molding station and the sealing and punching station each have a conveyor device which moves the plastic film web through the thermoforming machine and are driven synchronously with one another.
  • Such a design with separate conveying devices has the advantage that a non-aseptic filling machine, for example a conventional standard filling machine, can be created with the shape and sealing and punching station remaining the same. In this way, a variety of machine types can be produced, which can be operated either in standard operation, i.e. without aseptic, or in low-germ filling operation or aseptic filling operation. If the transport chains in such a deep-drawing machine have to be lubricated in the forming station of the closing and punching station, it comes through Transport devices lying outside the sterile area of an aseptic machine for no reinfection, so that the aseptic conditions are in no way impaired by the conveying device.
  • the conveying devices in the forming station and the closing and punching station can have an endless conveyor chain with gripping elements that grip the plastic film web, while guide rails are arranged between the conveying devices in the area of the filling room and the sterilization room for receiving the plastic film web. This also considerably simplifies the construction of the deep-drawing machine, since the chain elongation problems that otherwise occur in comparatively long conveyor chains do not occur so blatantly here due to the different heat effects.
  • the molding station arranged outside the sterile room now makes it possible for z. B. fed from a banding device banderoles practically in the dry state, d. H. the banderoles are no longer wetted as before, where the forming station is located within the sterile room, so that consequently there can be no influence on the aseptics due to the insertion of the banderoles.
  • a lockable lock device is arranged at the transitions between the molding station and the sterilization room on the one hand and the filling room of the filling station which has a pre-sealing station and the closing and punching station which has a main sealing station on the other hand. This makes it possible to complete and seal the individual areas of the machine if necessary, for. B. after inserting the plastic film tape and / or cleaning and sterilizing the thermoforming machine.
  • Such a lock device can also be arranged in an intermediate wall separating the filling space from the sterilization space, the filling space being kept under a higher sterile air pressure than the sterilization space.
  • Each of the lock devices has a sealing plate which is mounted within a sealing chamber and is adjustable vertically to the plane of movement of the plastic film web and can be lowered to the top of the plastic film web while leaving a controllable gap. This is expediently provided with a sealing lip which runs all around and lies against the walls of the sealing chamber.
  • the sealing plate On its side facing the plastic film web, the sealing plate has at least one rotatably and freely movably mounted roller.
  • a roller is expediently rotatably mounted within a recess provided on opposite sides of the sealing plate on a bearing axis arranged transversely to the transport direction of the plastic film web and held in contact with the plastic film by its own weight.
  • the lock device in the inlet area between the molding station and the sterilization room and in the outlet area between the filling room and the closing and punching station is each provided with a closing element closing a lock opening, for example in the form of a swivel flap, so that these rooms are opposite the cleaning and sterilizing devices Outside can be completed.
  • a plastic film web 1 is guided from a supply roll 2 via a separately arranged forming station 3.
  • the plastic film web is heated by means of a heating device, not shown, and containers or the like are molded into the plastic film web by means of a molding tool.
  • the forming station 3 has a conveyor device 4, which consists of an endlessly rotating transport chain 5.
  • the plastic film web 1 reaches a filling station 6, which has a metering device 7 and in which the molded containers are filled with the product to be filled.
  • a cover film 9 coming from a supply roll 8 is fed to the plastic film strip 1 and sealed onto the containers in a presealing station 42 (FIG. 4).
  • a closing and punching station 11 which has a main sealing station, which is connected to the filling machine 6, the containers are finally sealed and punched out of the film strip. These punched out cups are then removed via a removal 12.
  • the sealing and punching station 11 likewise has a separate conveyor device 13 which has an endlessly rotating conveyor chain 14. The two conveyor chains 5 and 14 are driven synchronously.
  • the filling station 6 and the molding station 3, on the one hand, and the filling station and the punching and sealing station 11, on the other hand, are connected to one another via locks explained in more detail below.
  • FIG. 2 A largely identical deep-drawing machine is shown in FIG. 2 with the difference that the filling area of the Filling machine 6 can be connected to a sterile air system via a line system 15. This enables a low-germ filling of the containers.
  • a banding device 16 can be assigned to the forming station 3, so that banderoles can be fed from the latter into the thermoforming film during the forming of the containers.
  • the deep-drawing machine shown in Fig. 3 is equipped for an aseptic filling operation.
  • a sterilizing agent such as e.g. B. H2O2 sprayed into the container.
  • the containers are acted upon by hot sterile air.
  • the sterilization room 17 and the filling room 18 are separated from one another by an intermediate wall 19 having a lock.
  • the cover film 9 is likewise introduced into the filling space via a sterilizing agent bath 21 and connected to one another in the manner described above with the plastic film web 1 in the presealing station 42 and the main sealing station.
  • FIG. 4 A more detailed description of the filling area of the deep-drawing machine with the lock devices is shown in FIG. 4.
  • a lock device 22, 23 and 24 is present between the molding station 3 and the sterilization room 17 and the latter and the filling room 18 and between the latter and the closing and punching station 11.
  • the lock devices are basically the same.
  • the lock device 22 arranged in the inlet area is therefore explained in more detail below.
  • This has a sealing plate 25, which can be moved up and down within a sealing chamber 27 by a cylinder-piston unit 26 essentially vertically to the plane of movement of the plastic film web 1.
  • the sealing plate 25 has an all-round sealing lip 28 which bears on the walls of the sealing chamber 27.
  • rollers 29, 30 are arranged on the sealing plate 25, which run transversely to the direction of movement bearing axis 31 are rotatably mounted. Details of this configuration and mounting of the rollers are shown in FIGS. 5 and 6.
  • the rollers 29, 30 are mounted with their axes in an elongated hole 32 of the sealing plate 25, so that the rollers can rest with their own weight on the top of the plastic sheet 1 .
  • the axes of the rollers 29, 30 lie in recesses 33 in the sealing plate.
  • the storage is such that a gap remains on the outside of the rollers and the walls of the recesses 33, which gap changes into a gap 34, for example regulated by a pressure manometer, between the underside of the sealing plate 25 and the top of the film web 1.
  • a gap 34 for example regulated by a pressure manometer
  • the sealing chamber 27 is connected via a line 36 to a suction device, not shown. In the area of the sealing chamber 27, the molded-on containers of the plastic film web 1 are guided on a guide plate 37.
  • a closure element in the form of a swivel flap 39 is arranged in the area of an inlet opening 38 in the wall of the sealing chamber 27 in order to close off the space from the outside. This happens when the thermoforming machine is cleaned and / or sterilized.
  • the pre-sealing station 42 is arranged, in which the cover foil 9 is sealed to the outer edges of the containers in such a way that a closed "hose" passes through the sterile space through the can leave the discharge lock provided there. In the subsequent main sealing station of the sealing and punching station, the individual cups are then sealed and finally punched out.
  • FIG. 8 Details of the sterilization devices 23 arranged between the sterilization room 17 and the filling room 18 are shown in FIG. 8.
  • spray heads not shown
  • spray heads are arranged, through which cleaning agents or sterile air can be introduced.
  • drain stubs At the lower end of the rooms there are drain stubs so that the introduced cleaning and sterilizing agents can be conveyed to a feed pump, not shown.
  • the pivoting flaps 39 are closed for cleaning and sterilizing the rooms.
  • the sealing plate 25 of the lock device 22 is raised via the cylinder-piston unit 26, so that the plastic film web 1 can be inserted into the machine unhindered. The same happens at the other lock devices 23 and 24.
  • the sealing plates 25 are lowered to the remaining controllable gap 34 up to the top of the plastic film web.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP19910119927 1990-11-23 1991-11-22 Deep drawing machine for making, filling and closung containers from a thermoplastic web intermittently fed by a conveyor Withdrawn EP0492140A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4037254 1990-11-23
DE19904037254 DE4037254A1 (de) 1990-11-23 1990-11-23 Tiefziehmaschine zum formen, fuellen und verschliessen von behaeltern aus einer mittels einer foerdereinrichtung taktweise transportierten thermoplastischen kunststoffolienbahn

Publications (2)

Publication Number Publication Date
EP0492140A2 true EP0492140A2 (fr) 1992-07-01
EP0492140A3 EP0492140A3 (en) 1992-09-16

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ID=6418771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910119927 Withdrawn EP0492140A3 (en) 1990-11-23 1991-11-22 Deep drawing machine for making, filling and closung containers from a thermoplastic web intermittently fed by a conveyor

Country Status (2)

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EP (1) EP0492140A3 (fr)
DE (1) DE4037254A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19504558A1 (de) * 1995-02-11 1996-08-14 Pkl Verpackungssysteme Gmbh Vorrichtung zum Sterilisieren bei der Abfüllung vorzugsweiser flüssiger Lebensmittel in Packungsbehälter
DE10030458A1 (de) * 2000-06-21 2002-01-03 Bosch Gmbh Robert Dosiervorrichtung für flüssige oder pastöse Produkte
US6338235B1 (en) 1999-04-21 2002-01-15 Tetra Laval Holdings & Finance S.A. Method of producing packaging containers with low bacteria contamination
EP1391387A2 (fr) * 2002-06-07 2004-02-25 Terenzio Vignoli Dispositif d'étanchéité dynamique pour la traversée étanche d'articles de formes diverses à travers des parois de séparation des machines d' emballage
WO2008000376A1 (fr) * 2006-06-30 2008-01-03 Khs Ag Dispositif pour le traitement d'objets flexibles, tubulaires, en particulier de sacs
US8707663B2 (en) 2006-06-23 2014-04-29 Khs Gmbh Apparatus for the filling of bags having at least one opening therein and having space to permit decreased accumulation of filling materials

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10340876B3 (de) * 2003-09-04 2005-02-03 Robert Bosch Gmbh Vorrichtung zum Formen, Füllen und Verschließen von Behältern
DE102004032786A1 (de) * 2004-07-06 2006-01-26 Cfs Germany Gmbh Verpackungsmaschine mit einer Entkeimungsvorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1592063A (fr) * 1966-11-22 1970-05-11
EP0045389A1 (fr) * 1980-08-06 1982-02-10 Robert Bosch Gmbh Procédé et installation pour stériliser des récipients

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1330730A (fr) * 1961-07-28 1963-06-28 Perfectionnements apportés aux procédés et dispositifs de soudage pour machines àformer des récipients clos
CH580009A5 (fr) * 1973-07-04 1976-09-30 Quader Ets
DE2754816A1 (de) * 1976-12-15 1978-06-22 Nasica Jean Roger Verfahren und vorrichtung zum verpacken von waren in steriler umgebung
US4296068A (en) * 1979-02-19 1981-10-20 Dai Nippon Insatsu Kabushiki Kaisha Apparatus for sterilizing a succession of food containers or the like
DE3046493A1 (de) * 1980-12-10 1982-07-15 Société d'Application Plastique, Mécanique et Electronique Plastimécanique S.A., 14700 Falaise Verfahren und vorrichtung zur automatischen herstellung und sterilen abfuellung von verpackungen aus thermoplastischem folienmaterial
DE3522996A1 (de) * 1985-06-27 1987-01-08 Kolbus Gmbh & Co Kg Verfahren zur abgrenzung steriler raeume gegen austreten von toxischen sterilisationsmitteln oder eindringen von mikroorganismen, vorzugsweise in anwendung fuer fuellmaschinen, und vorrichtung zur durchfuehrung des verfahrens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1592063A (fr) * 1966-11-22 1970-05-11
EP0045389A1 (fr) * 1980-08-06 1982-02-10 Robert Bosch Gmbh Procédé et installation pour stériliser des récipients

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19504558A1 (de) * 1995-02-11 1996-08-14 Pkl Verpackungssysteme Gmbh Vorrichtung zum Sterilisieren bei der Abfüllung vorzugsweiser flüssiger Lebensmittel in Packungsbehälter
US6338235B1 (en) 1999-04-21 2002-01-15 Tetra Laval Holdings & Finance S.A. Method of producing packaging containers with low bacteria contamination
DE10030458A1 (de) * 2000-06-21 2002-01-03 Bosch Gmbh Robert Dosiervorrichtung für flüssige oder pastöse Produkte
DE10030458B4 (de) * 2000-06-21 2009-12-31 Robert Bosch Gmbh Dosiervorrichtung für flüssige oder pastöse Produkte
EP1391387A2 (fr) * 2002-06-07 2004-02-25 Terenzio Vignoli Dispositif d'étanchéité dynamique pour la traversée étanche d'articles de formes diverses à travers des parois de séparation des machines d' emballage
EP1391387A3 (fr) * 2002-06-07 2004-08-25 Terenzio Vignoli Dispositif d'étanchéité dynamique pour la traversée étanche d'articles de formes diverses à travers des parois de séparation des machines d' emballage
US8707663B2 (en) 2006-06-23 2014-04-29 Khs Gmbh Apparatus for the filling of bags having at least one opening therein and having space to permit decreased accumulation of filling materials
WO2008000376A1 (fr) * 2006-06-30 2008-01-03 Khs Ag Dispositif pour le traitement d'objets flexibles, tubulaires, en particulier de sacs
JP2009541167A (ja) * 2006-06-30 2009-11-26 カーハーエス・アクチエンゲゼルシヤフト 可撓性のホース状形成物、特に袋を処理するための装置

Also Published As

Publication number Publication date
DE4037254A1 (de) 1992-05-27
DE4037254C2 (fr) 1992-10-08
EP0492140A3 (en) 1992-09-16

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