EP2571768A1 - Tunnel de frettage pour l'application de films rétractables, procédé pour utiliser ou commander un tunnel de frettage et installation de production dotée d'un tunnel de frettage - Google Patents

Tunnel de frettage pour l'application de films rétractables, procédé pour utiliser ou commander un tunnel de frettage et installation de production dotée d'un tunnel de frettage

Info

Publication number
EP2571768A1
EP2571768A1 EP10787010A EP10787010A EP2571768A1 EP 2571768 A1 EP2571768 A1 EP 2571768A1 EP 10787010 A EP10787010 A EP 10787010A EP 10787010 A EP10787010 A EP 10787010A EP 2571768 A1 EP2571768 A1 EP 2571768A1
Authority
EP
European Patent Office
Prior art keywords
tunnel
shrink
shrink tunnel
temperature
packaging
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.)
Ceased
Application number
EP10787010A
Other languages
German (de)
English (en)
Inventor
Christian Schilling
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.)
KHS GmbH
Original Assignee
KHS GmbH
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 KHS GmbH filed Critical KHS GmbH
Publication of EP2571768A1 publication Critical patent/EP2571768A1/fr
Ceased legal-status Critical Current

Links

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
    • B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
    • B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
    • B65B53/06—Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets
    • B65B53/063—Tunnels
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices

Definitions

  • the invention relates to a shrink tunnel for applying shrink films, a method for operating or controlling a shrink tunnel and a production plant with a shrink tunnel
  • the packaging such as bottles, cans or other packaging, which were filled in previous investment components or machines with a product, sealed and labeled, a downstream
  • packaging means in which the packaging means are assembled, for example on packaging elements in each case to packaging groups with a predetermined number of packaging and the packaging groups thus produced are each covered with a shrink film.
  • Packaging group formed by shrinking the shrink film under the action of heat, in particular by blowing hot air in each case a fixed or fixed packaging unit.
  • the shrink tunnel which generally has a plurality of heating or tunnel zones, each having its own heating means, in successive heating or tunneling zones of the packaging units or packages all tunnel zones by appropriate control or regulation of the heating power of the heating means constantly required for the shrinkage of the shrink films target operating temperature, for example, a temperature in the range between 195 ° C and 210 ° C, preferably at a temperature of about 200 ° C, even during business interruptions or disorders, in which no packaging or packaging groups for shrinking the
  • the heating means are usually electric or gas-operated heating elements, in particular those of hot air blowers.
  • Shrink tunnel outlets curtain-like, from the packaging or
  • closure elements or closures As a result of their contact, these closures adversely affect the product flow, ie the flow of the packaging units or containers, but in particular also lead to overturning of these containers in the case of packaging materials or containers which are less stable and / or damage the shrink-wrap film already applied to the packaging material groups but not yet shrunk-off / or change their position, it is common to cut the curtain-like closures so that they each form several narrow strips in the form of a louver curtain, but with the disadvantage that the heat retention function is greatly affected by the banding and it is too high heat losses from the shrink tunnel comes into the environment, and not only during normal operation, but also in case of business interruptions or malfunctions.
  • closing devices in the form of high-speed doors for use in industrial production facilities with closing elements in the form of a door leaf made of a flexible, one-piece sheet metal (DE 20 2008 007 075 U1). These known high-speed doors are for opening and closing of
  • Areas of buildings or production facilities namely for opening and closing of there gate openings, for example, with a width of 0.8 to 6 meters and a height of 1, 5 to 4.8 meters.
  • the invention has for its object to provide a shrink tunnel, the disadvantages of known shrink tunnels, especially with regard to the high energy consumption during production, i. during normal operation, but especially in production interruptions or disturbances avoids.
  • a shrink tunnel according to the patent claim 1 is formed.
  • a method for operating or controlling a shrink tunnel is the subject of patent claim 10.
  • a production system for manufacturing packaging units or containers with these enclosing and / or fixing shrink films is the subject of patent claim 16.
  • the shrink tunnel is at least one
  • Shrink tunnel exit each provided with a closing device having at least one closing element, each having a drive for the motor, at least partially opening and closing a local inlet or outlet opening, for an automatic and / or time and / or signal controlled at least partially closing the inlet or Outlet opening for transferring the shrink tunnel, a standby mode especially in case of business interruption or malfunction and for a
  • the respective closing element is preferably a roller shutter-like closing element.
  • the shrink tunnel and the method for its control are designed so that the shrink tunnel in standby mode in addition to the controlled and / or automatic closing the shrink tunnel inlets and outlets with respect to the normal
  • Heating means is controlled or controlled in such a way that during the normal operating mode, the tunnel temperature of the desired operating temperature, for example, a target operating temperature in the range between 190 and 210 ° C, preferably a desired operating temperature of 200 ° C and in standby mode, the tunnel temperature in the at least one tunnel zone to a temperature amount, for example by a temperature amount of 50 ° C to 80 ° C compared to the target operating temperature to a reduced
  • Tunnel zones each associated with their own heating means, these are controlled or controlled independently for switching the operating modes, preferably depending on set or stored in the control unit or control parameters,
  • control device and or the setpoint operating temperature and / or the reduced tunneling temperature are adjustable and / or stored in the control device as control or regulating parameters
  • Base load corresponding heating power and a maximum heating power, for example, controlled or regulated between a heating power of 10 KW to 14 KW and a heating power of 46 KW - 50 KW,
  • Control device of the production plant and / or initiated with a time delay, for example with a time delay in the range of 1 to 2 minutes,
  • Transport speed of a shrink tunnel side conveyor for example a reduction of the transport speed to 20% to 80% of the transport speed of the normal operating mode and / or a shutdown of cooling the shrink tunnel side transport element and / or cooling, which is used to cool the packaging units after shrinking of the shrink film, and / or switching off blowers of the heating means,
  • the tunnel temperature is set to
  • blower of the heating means when omitted fault message or when resetting the shrink tunnel in the normal operating mode, the blower of the heating means are turned on, and / or
  • shrink tunnel side conveyor (13) is again increased, for example, at a first temperature threshold, which is about 5% below the temperature threshold,
  • Set operating temperature cooling of this transport system are switched on, for example, at a first temperature threshold, which is about 5% below the temperature threshold,
  • Target operating temperature further approximated threshold, which is, for example, 2% below the desired operating temperature, generates a production release causing signal and / or the cooling for the
  • Packaging units or containers (4) is switched on
  • FIGS. 1 shows a simplified functional representation of a plant section of a
  • FIG. 2 shows a simplified end view of a closing element at an inlet or outlet of a shrinking tunnel of the production plant
  • Fig. 3 is a schematic sectional view of the closing element of Figure 2;
  • Fig. 4 is a view similar to Figure 3 in a further embodiment.
  • 1 is a plant section of a production plant for packaging material 2 filled with a product, for example for a liquid product, e.g. Packing medium filled with a beverage 2.
  • the plant section 1 of the production plant is used specifically for assembling the packaging material 2 filled with the product into packaging material groups 3 and for packaging each packaging material group 3 and the like. using a shrink film, so that the packaging material groups 3 each form after shrinking the shrink film packaging units or container 4, each with a predetermined number of packaging 2.
  • the packaging means 2 are, for example, bottles, cans or similar containers which are filled, sealed and labeled with the product.
  • the plant section 1 has for this purpose in a transport direction A, in which the packaging 2 and
  • Packaging groups 3 and finally the packaging units or containers 4 are moved, following each other u.a. the following plant components with the following functions:
  • a buffer or storage unit 5 which is formed for example by a buffer or storage table and which serves for the intermediate storage of this device via an outer conveyor 6 in the transport direction A supplied packaging 2.
  • Packaging agent groups 3 are formed, in the illustrated Embodiment respectively on or in a packaging element 8, for example in the form of a cardboard-like packaging element or a tray or tray in such a way that each packaging material group 3, the packaging means 2 in a predetermined number and assignment to each other, for example, in the illustrated embodiment in two
  • each packaging material group 3 including its packaging element 8 is wrapped with the shrink film, preferably such that the overlapping ends of this envelope at the bottom of the shrink film
  • Packing group 3 and the packaging element 8 are located.
  • the packaging elements 8 or these forming blanks are fed in the packaging machine 7 via a feed dog 9 (arrow B).
  • the buffer or storage unit 5 the packaging machine 7 and the shrink tunnel 10 are interconnected by a transport system 12 formed by at least one conveyor or conveyor belt, but the shrink tunnel 10 is an independent and independently controllable transport system for the packaging material groups 3 and for the packaging units or container 4 formed from these in the form of at least one endless circulating drivable conveyor belt 13 (eg hinge band) has.
  • the shrink tunnel 10 is formed in the illustrated embodiment, for example, with several consecutive in the transport direction A heating or tunneling zones 14, for example, with a total of three tunnel zones 14, thereby, inter alia
  • Each tunnel zones 14 is provided in the illustrated embodiment with its own, indicated in the figure only very schematically 15 heating means that effect shrinkage of the shrink film on the packaging groups 3 by heat and at least one hot air generator consisting of at least one fan and at least one Associated fan
  • Heater and optionally include at least one additional heater for a basic heating power.
  • slat curtains 16 are provided at the shrink tunnel inlet 10.1 and at the shrink tunnel outlet 10.2.
  • the shrink tunnel 10 also comprises a cooling device, not shown (for example cooling air blower), with which the at least one conveyor belt 13 on a
  • Packing group 3 is first transferred to the cooled conveyor belt 13. Furthermore, the shrink tunnel 10 in the transport direction A on the tunnel zones 14 and on the shrink tunnel outlet 10.2 following a cooling zone, not shown in the figures, which is used inter alia for cooling the packaging units or container 4 and this example is equipped with a cooling air blower.
  • a special feature of the shrink tunnel 10 is that it in addition to the slatted blinds 16, during normal operation or in trouble-free operating condition of the system each of the moving into the shrink tunnel 10 or out of the shrink tunnel 10
  • Packing groups 3 and 4 packaging units are moved to the side and / or up, at the shrink tunnel inlet 10.1 and at the shrink tunnel outlet 10.2 each provided with a closing device 17, with the respective inlet or outlet port 18 of the shrink tunnel inlet 10.1 or
  • Shrink tunnel outlet 10.2 in particular for a standby mode of the system or the shrink tunnel 10 in case of business interruptions or malfunctions can be closed.
  • one of these preferably identically formed closing devices 17 is shown in more detail. It consists essentially of a roller shutter-like closing element 19, which for opening the respective inlet or outlet opening 18 by means of an electromotive drive 20 wound on a provided in the interior of the housing of the shrink tunnel 10 above the upper edge of the inlet or outlet port 18 shaft 21 or and closing the respective inlet or outlet port 18 from this shaft unwound.
  • the edge 19 guided in vertical guides 22 on the vertical boundaries of the inlet or outlet port 18 is thus open to open the inlet or outlet port 18 with its lower horizontal edge 19.1 from this opening 18 upwards and to close the inlet or Outlet opening 18 with its lower
  • Conveyor belt 13 abuts or is only slightly spaced therefrom.
  • the closing element 19 consists for example of a heat-resistant, flexible or flexible flat material, ie in the simplest case of a foil or sheet or fabric or felt-like sheet metal and / or of a heat-resistant plastic, eg metal or steel sheet and / or off a material which in an organic matrix or in an organic binder system mineral and / or glass and / or carbon and / or ceramic fibers, for example ceramic fibers of alumina (Al 2 O 3 ) and / or of silicon oxide (SiO 2 ) and or zirconium oxide (ZrO 2 ).
  • Other materials are possible for the closing element 19, in particular those which are sufficient
  • Heat resistance have a reduced thermal conductivity and also a sufficient elastic deformation ability.
  • closure element 19 are multilayer materials, for example consisting of at least one sheet-like or sheet-like or fabric-like sheet material, e.g. made of metal and / or heat-resistant plastic with a temperature-resistant and / or heat-insulating
  • Coating for example with a coating, in an organic matrix or an organic binder system mineral and / or glass and / or ceramic fibers, for example ceramic fibers of alumina (Al 2 O 3 ) and / or silicon oxide (SiO 2 ) and / or zirconium oxide (ZrO 2 ).
  • Roller shutter blades turn made of the heat-resistant material, preferably with sufficiently high thermal insulation.
  • the motorized opening and closing of the respective closing device 17 can also take place in other ways than described above, for example with additional horizontal guide 23 for the closing element 19 and by at least one linear drive 24, as shown in FIG.
  • This linear drive is, for example, a pneumatic actuating cylinder, which acts on the edge 19.1 remote end of the closing element 19.
  • an electronic control device 25 is provided, which serves in particular in the manner described in more detail below for controlling the various operating states of the shrinking tunnel.
  • each closing element 19 consists of at least two individual elements that can be opened and closed individually by the then designed as a multi-drive 20 or 24.
  • the closing devices 17 or their closing elements 19 are preferably controllable such that during normal operation or in trouble-free
  • Packaging units 4 i. adapted at least to the height of these packaging groups or packaging units such that the packaging material groups 3 or 4 packaging units with a smallest possible opening cross-section can still move unhindered into and out of the shrink tunnel 10, i. the height of the opening cross-section is equal to or only slightly greater than the height of the packaging material groups 3 and the packaging 4.
  • the height of the opening cross-section is equal to or only slightly greater than the height of the packaging material groups 3 and the packaging 4.
  • Opening cross-section of the inlet or outlet port 18 then, for example, only 130 mm, in packs in the form of bottles of bottle size 1, 51 or packaged from such packaging packaging units 3 and 4, the height of the opening cross-section of the inlet or outlet port 1 8 then, for example, at least 330mm , at the most 350 mm, in each case measured by the transport plane formed by the transport system 12 or in the conveyor belt 13.
  • Aperture cross-section to the corresponding width of the packaging material groups 3 or packaging 4 adapt.
  • Opening cross-section of the inlet and outlet openings 18 to the format of the packaging units can be a significant reduction of heat loss from the shrink tunnel 10 at the shrink tunnel inlet 10.1 and on
  • the closing devices 17 are each provided directly at the shrink tunnel inlet 10.1 or shrink tunnel outlet 10.2, in such a way that the local louver curtains 16 are still arranged inside the shrink tunnel 10 relative to the closing devices 17.
  • the shrink tunnel 10 In the trouble-free operating condition of the system, the shrink tunnel 10 is operated in its normal operating state or operating mode, the u.a. characterized by the following operating parameters:
  • the closing devices 17 on the shrink tunnel inlet 10.1 and on the shrink tunnel outlet 10.2 or their closing elements 19 are in the open state, i. the closing elements 19 are at least as far open that the opening cross-section of the respective inlet or outlet opening 18 in the manner described above is adapted to the format of the packaging material groups 3 and the packaging units 4.
  • Shrink tunnel 10 or its tunnel zones 14 are located on
  • Target operating temperature which is sufficient for the shrinking of the shrink film with the desired quality.
  • This target operating temperature which is the tunnel temperature in the interior of the shrink tunnel 10 or in the interior of the tunnel zones 14 and in particular also at least the temperature of the hot air introduced into the tunnel zones 14, is for example 200 ° C.
  • the at least one conveyor belt 13 is driven at production speed, ie at a speed which is the performance of the system and thus the performance of the packaging machine 7 and the
  • Transport speed of the transport system 12 corresponds and is usually much larger than
  • the heating means 15 are for maintaining the target operating temperature between a basic heating power, which is for example 10-15 KW for each tunnel zone 14, and a maximum heating power or
  • Controlled or regulated total heat output for example, 45-50 KW for each tunnel zone 14.
  • the cooling device for cooling the packaging units 4 after leaving the shrinking tunnel 10 or the local, cooling air-generating blower is turned on.
  • the closing elements 9 of the closing devices 17 are automatically and motor-closed, so that after this closing or during the standby mode of the shrinking tunnel 10 initiated, heat losses from the interior of the shrinking tunnel, in particular also due to
  • Temperature control of the heating means 1 5 during standby mode already a significant reduction in the energy consumption of the shrink tunnel 10 and the heating means 15 results.
  • Closing devices 17 and their closing elements 19 motor again open at least as far that the opening cross-section of the inlet or
  • Packaging units 4 is adapted, i. for the format of the
  • Packaging units 4 necessary minimum cross section corresponds.
  • Such stand-by interruptions and / or disturbances are, for example, a predetermined minimum amount of packaging material
  • the control of the shrink tunnel 10 between the two operating conditions is automatic, i. in the illustrated embodiment by the
  • control device 25 which is, for example, a shrinking tunnel 10 associated control device with its own intelligence and which also controls the heating means 15 to maintain the respective required tunnel temperature or controls.
  • the control device 25, which is connected, for example via an unillustrated bus system with other control devices or with a central or higher-level system control, controls the switching between the
  • control device 25 to detect existing disturbances at least partially processed signals that are used to control other system components, for example, to control the
  • Packaging machine 7 Such signals are, for example, “shortage in buffer or storage unit 5" or “shortage of packaging in buffer or storage unit 5", "backlog internally”, i.e. product jam in transport direction A before transport
  • Shrink tunnel 10 Shrink tunnel 10, and / or "back pressure external", i.e. product jam in
  • the respective standby mode which preferably also on site, i. to the
  • Shrink tunnel 10 or can be triggered on the control device 25 is preferably initiated delayed with a time delay At1.
  • the duration of this time delay At1 is preferably selected to be sufficiently long so that such
  • Packaging groups 3 which at the time of receipt of at least one Transition to the stand mode causing error message already in the
  • the time delay At1, at which the standby mode is initiated, is for example 1 to 2 minutes.
  • Shrink tunnels 10 from the standby mode to the normal operating mode or mode takes place immediately after the interruption and / or disruption or immediately after the omission of the error message (s) and is achieved with a small time delay, which is required for the opening of the closing devices ,
  • the standby mode results in interruptions or disturbances in the system, a significant energy savings, in particular, a significant saving in heating energy and associated with a reduction of
  • Shrink tunnel 10 designed so that when occurring in the system
  • Tunneling zones 14 occupy a standby mode or standby mode, in addition to closing the sealing units 17 and des
  • said temperature decrease or the amount ⁇ on site at the shrink tunnel 0 or at an input of
  • Control device 25 for adaptation to the concrete
  • Production conditions is adjustable, for example, for each tunnel zone 14 individually.
  • Shrink tunnels 10 applies with electrical energy, while in an operation of the shrink tunnel 10 with gas already for safety reasons the
  • Heating the tunnel zones 10 takes place exclusively with hot air.
  • a gas-driven shrink tunnel 10 inevitably causes a corresponding reduction in the basic heating power, i.
  • the heating elements or gas burners regulate themselves automatically to the required power and switch ggs. also for a short time.
  • Shrink tunnels 10 corresponds.
  • Conveyor belt 13. Shutdown of one fan per tunnel zone 14, if each tunnel zone 14 at least two electrically operated blowers are assigned, as is usually the case.
  • the respective standby mode which in turn can preferably also be triggered locally, ie at the shrink tunnel 10 or at the control device 25, is initiated with a delay of time, which is, for example, 1 to 2 minutes.
  • the return of the shrink tunnel 10 from the standby mode in the normal operating state or mode is also in this embodiment again after the elimination of interruption and / or disturbance or after the elimination of the error message (s) and due to the re-heating of the
  • Shrink tunnels 10 time required to the target operating temperature also delayed, i. with a time delay M2, for example, from 2 to 3 minutes. Only after expiration of this time delay At2 is the packaging machine 7 switched on again, which of course was switched off during the standby mode of the shrinking tunnel 10 or in a stand-by mode. Preferably, a re-switching of the packaging machine 7 and the
  • Transport system 12 is then caused, for example, by a corresponding, supplied by the controller 25 signal.
  • the standby mode with the additional lowering of the tunnel temperature results in interruptions or disturbances in the system a very significant energy savings, especially a very significant saving
  • Operating temperature of the shrink tunnel at the normal target operating temperature, for example, maintained at the operating temperature of 200 ° C.
  • This requires a heating power that, while reduced due to the lack of moving through the shrink tunnel product groups 3 compared to the heating power in normal, trouble-free operation, but still means a heating power that corresponds to about 40% to 50% of the total power of the shrink tunnel in normal trouble-free operation and for example in conventional shrink tunnels in the range between 40 KW and 45 KW.
  • Target operating temperature in normal trouble-free operation is 200 ° C, was alone by a temperature drop ⁇ of 50 ° C, i. by a
  • Target operating temperature 2.5 minutes at the temperature reduction ⁇ of 50 ° C and 4 minutes at the temperature drop ⁇ of 80 ° C.
  • Standby mode is required for the drop in temperature from the target operating temperature to the reduced tunnel temperature of the standby mode and is for example 8 to 10 minutes, results in a significant energy savings potential by switching to standby, especially in the standby mode with reduced tunnel temperature.
  • the energy savings for a 10-minute interruption or interruption of the operation is between 1.44 KWh and 5.76 KWh, and for a 30-minute disturbance or interruption it is approximately 1-8 KWh, including that for the reheat after termination of the Plant destruction necessary heating energy.
  • a substantial energy saving results further by switching off the cooling or cooling fan for the at least one conveyor belt 13 and the cooling zone for the packaging units 4 as well as by switching off at least one fan for the hot air in each tunnel zone 14, these fans, for example, a power consumption of about Have 3 KW.
  • Shrink tunnels 10 in the normal operating state after clearing the error messages takes place, for example, in the following steps:
  • Conveyor belt 13 on product speed and switching on the conveyor belt cooling for the at least one conveyor belt 13 when the tunnel temperature has reached a temperature threshold in all tunnel zones 14 during reheating a temperature threshold of about 5% to 7%, for example about 5% or 10 ° C below the Target operating temperature is; Enabling or switching on the packaging machine 7 and switching on the cooling for the packaging units or containers 4, ie release of production when the operating temperature has reached a temperature threshold in all tunnel zones 14 during heating, the slight, ie, for example, 2 to 3%, eg 5 ° C is below the setpoint operating temperature.
  • the normal operating mode and the standby mode characterizing operating parameters, in particular the target operating temperature, the
  • Time delays At1 and At2 the reduction of the transport speed of the shrink tunnel side transport system or the at least one
  • Conveyor belt 13, etc. are as control or regulation parameters on the
  • Control device 25 adjustable and / or stored there in a data memory.
  • at least one further standby mode or standby mode is provided for the shrink tunnel 10, which is initiated according to other criteria or parameters and / or has other measures than the standby mode described above, at
  • Shrink tunnel 10 are driven into a lower standby mode, i.
  • the tunnel temperature in the tunnel zones 14 can be further reduced in comparison to the disruption-related standby mode, since the re-start, in particular the re-heating of the tunnel zones can be planned and timed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Wrappers (AREA)

Abstract

L'invention concerne un tunnel de frettage (10) pour une utilisation dans une installation de production pour fabriquer des unités d'emballage ou des fûts (4) à base de moyens d'emballage (2) remplis avec un produit ou avec un film rétractable fretté dessus. Ce tunnel comprend au moins une entrée de tunnel de frettage (10.1) et au moins une sortie de tunnel de frettage (10.2) pour les unités d'emballage (4) et au moins une zone de tunnel (14) à l'intérieur du tunnel de frettage (10) ou entre la ou les entrées de tunnel (10.1) et la ou les sorties de tunnel (10.2) pour l'introduction par frettage du fil rétractable sous l'effet de la chaleur sur les unités d'emballage déplacées par la ou les zones de tunnel (14), au moins un dispositif de fermeture (17), comprenant chacun au moins un élément de fermeture (19), étant prévu sur l'entrée de tunnel (10.1) et sur la sortie de tunnel (10.2) pour au moins une ouverture d'entrée ou de sortie (18) formant l'entrée de tunnel de frettage (10.1) ou la sortie de tunnel de frettage (10.2).
EP10787010A 2010-05-19 2010-11-19 Tunnel de frettage pour l'application de films rétractables, procédé pour utiliser ou commander un tunnel de frettage et installation de production dotée d'un tunnel de frettage Ceased EP2571768A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010020957 DE102010020957A1 (de) 2010-05-19 2010-05-19 Schrumpftunnel zum Aufbringen von Schrumpffolien, Verfahren zum Betrieb oder Steuern eines Schrumpftunnels sowie Produktionsanlage mit einem Schrumpftunnel
PCT/EP2010/007038 WO2011144231A1 (fr) 2010-05-19 2010-11-19 Tunnel de frettage pour l'application de films rétractables, procédé pour utiliser ou commander un tunnel de frettage et installation de production dotée d'un tunnel de frettage

Publications (1)

Publication Number Publication Date
EP2571768A1 true EP2571768A1 (fr) 2013-03-27

Family

ID=43478106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10787010A Ceased EP2571768A1 (fr) 2010-05-19 2010-11-19 Tunnel de frettage pour l'application de films rétractables, procédé pour utiliser ou commander un tunnel de frettage et installation de production dotée d'un tunnel de frettage

Country Status (4)

Country Link
EP (1) EP2571768A1 (fr)
BR (1) BR112012021985A2 (fr)
DE (1) DE102010020957A1 (fr)
WO (1) WO2011144231A1 (fr)

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DE102012106600A1 (de) * 2012-07-20 2014-06-12 Krones Ag Schrumpfvorrichtung mit optimiertem Energiemanagement
DE102013103863A1 (de) 2013-04-17 2014-10-23 Krones Aktiengesellschaft Schrumpfvorrichtung und Verfahren zur Anpassung einer Schrumpfvorrichtung
DE102013104417A1 (de) * 2013-04-30 2014-10-30 Krones Aktiengesellschaft Verfahren zum Überführen eines Schrumpftunnels in einen Produktionsmodus und Verfahren zum Überführen eines Schrumpftunnels von einem Produktionsmodus in einen Stillstand- Modus
DE102013105923A1 (de) 2013-06-07 2014-12-11 Khs Gmbh Vorrichtung und Verfahren zur Bildung von Verpackungseinheiten
DE102015226345A1 (de) * 2015-12-21 2017-06-22 Krones Aktiengesellschaft Vorrichtung und Verfahren zum Schrumpfen von flächigen thermoplastischen Verpackungsmaterialien auf Artikel oder auf Zusammenstellungen von Artikeln
DE102016203435A1 (de) † 2016-03-02 2017-09-07 Krones Aktiengesellschaft Abschnitt einer Verpackungslinie für Getränkebehältnisse und Verfahren zum Umgang mit Getränkebehältnissen während ihres Transportes entlang einer Verpackungslinie
DE102017107766A1 (de) * 2017-04-11 2018-10-11 Khs Gmbh Verfahren und Vorrichtung zum Bilden von Gebinden
FR3070376B1 (fr) 2017-08-30 2021-04-16 C E R M E X Constructions Etudes Et Rech De Materiels Pour Lemballage Dexpedition Fonctionnement d'un dispositif de retraction d'une fardeleuse automatique
FR3070510B1 (fr) 2017-08-30 2020-11-06 C E R M E X Constructions Etudes Et Rech De Materiels Pour Lemballage Dexpedition Procede et dispositif de gestion de la temperature d'un module d'une ligne de production
DE102019102494A1 (de) * 2019-01-31 2020-08-06 Krones Aktiengesellschaft Schrumpfvorrichtung und Verfahren zum Betrieb einer Schrumpfvorrichtung
DE102021103837A1 (de) 2021-02-18 2022-08-18 Krones Aktiengesellschaft Schrumpfvorrichtung und Verfahren zum Optimieren des Energieaustrags einer Schrumpfvorrichtung
DE102021108138A1 (de) 2021-03-31 2022-10-06 Krones Aktiengesellschaft Verfahren zum Überführen einer Schrumpfvorrichtung in einen StandBy-Modus und Schrumpfvorrichtung

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