EP2392514A1 - Vorrichtung zum seitlichen Einhüllen von Produkten mittels einer Kunststofffolie - Google Patents

Vorrichtung zum seitlichen Einhüllen von Produkten mittels einer Kunststofffolie Download PDF

Info

Publication number
EP2392514A1
EP2392514A1 EP11165480A EP11165480A EP2392514A1 EP 2392514 A1 EP2392514 A1 EP 2392514A1 EP 11165480 A EP11165480 A EP 11165480A EP 11165480 A EP11165480 A EP 11165480A EP 2392514 A1 EP2392514 A1 EP 2392514A1
Authority
EP
European Patent Office
Prior art keywords
film
station
plant according
reels
wrapping
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Withdrawn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
EP11165480A
Other languages
English (en)
French (fr)
Inventor
Massimiliano Ubertini
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.)
Messersi' Packaging Srl
Original Assignee
Messersi' Packaging Srl
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
Priority claimed from IT000956A external-priority patent/ITMI20100956A1/it
Priority claimed from IT000146A external-priority patent/ITMI20110146A1/it
Application filed by Messersi' Packaging Srl filed Critical Messersi' Packaging Srl
Publication of EP2392514A1 publication Critical patent/EP2392514A1/de
Withdrawn legal-status Critical Current

Links

Images

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
    • 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
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/026—Enclosing successive articles, or quantities of material between opposed webs the webs forming a curtain
    • 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
    • B65B11/58—Applying two or more wrappers, e.g. in succession
    • B65B11/585—Applying two or more wrappers, e.g. in succession to stacked articles, e.g. pallettised loads
    • 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
    • B65B59/04—Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance

Definitions

  • the present invention relates to a plant for side wrapping of products with plastic film, advantageously of the heat-shrinkable type.
  • a wrapping station sometimes called "curtain” type station
  • a strip of film is stretched, in a vertical plane, transverse to the direction of movement of the product in the station.
  • the product thus comes into contact with the strip and draws it along until it is partially wrapped by it.
  • a pair of vertical blades are then operated in order to close the strip behind the product, weld its edges and cut it.
  • the strip is then joined together again behind the wrapped product, so that it is ready to wrap the next product.
  • heat-shrinkable film the wrapped product is conveyed to a heat-shrinking station in order to complete the packing process.
  • the height of the strip is related to the height of the product to be packaged (usually the strip must be folded over by a small, but not excessive amount onto the top and bottom faces of the product), in the case where it is required to package products of different height, separate packaging lines are required, i.e. one for each height, with not insignificant costs and dimensions.
  • separate packaging lines are required, i.e. one for each height, with not insignificant costs and dimensions.
  • the same problems occur if it is required to wrap the products with different types of film.
  • EP 0,183,676 describes a plant provided with a plurality of complete wrapping units.
  • Each unit comprises two reels which are already joined together and spaced so as to form the strip of transverse film.
  • the units are movable so that they may be inserted, from the top or from one side, transversely with respect to the product conveying line. The alternating movement of the units thus replaces a complete wrapping structure with another one.
  • the system is, however, complex, bulky and excessively costly, not allowing the easy addition of other types of film.
  • US 2006/96244 describes a plant which has two wrapping units arranged vertically on top of one another so as to be able to wrap two strips of film of different heights simultaneously around each product. No valid suggestion is given as to how to use alternately several different strips.
  • the main object of the present invention is to provide a plant which allows the simultaneous management of different types of film rapidly and efficiently, for example for wrapping products which have a different height or in any case require one of these different types of film.
  • Figure 1 shows a plant, denoted generally by 10, for wrapping products with plastic film.
  • the plant or equipment 10 comprises a line 11 for conveying in sequence products 12 to be wrapped with film.
  • the products may be formed by packs of material arranged on a pallet so as to form a parallelepiped.
  • the packs may consists of bricks, paper-mill products, etc.
  • the conveying line is essentially of the known type and therefore will not be described or shown here in detail. It generally comprises a support surface on which the products are placed in order to be conveyed through the plant between a loading zone and an unloading zone.
  • the line may advantageously be formed, for example, by means of a belt or chain conveyor.
  • the conveying line 10 passes through a vertical-wrapping station 13.
  • the station has a system for performing "curtain" type side wrapping of a product 12 which passes through the station.
  • the wrapping system 14 (of the type known per se) has a strip of film 15 which is arranged transverse to the line so as to wrap a product which passes through the station.
  • the station comprises two rolls of film 22 which are supported on their vertical axis and arranged on opposite sides of the conveying line.
  • the portions of film which are unwound from the two rolls of the station are joined together to form the strip of film which is stretched transversely with respect to the conveying line.
  • the product travelling on the conveyor comes into contact with the transverse strip of film and continuing its travel draws the film along with it and is partially wrapped on the sides.
  • vertical welding blades 23 are arranged opposite each other on the two sides of the line and are movable towards each other for cutting and welding the strip of film around the product which passes through the station. During their movement towards each other the blades weld the film onto the rear part of the product (thus closing it around the product), cut the wound film and join together again the two portions in order to form again the transverse strip for wrapping the next product.
  • the structure of the station comprises a cross beam 33, between uprights 25 on the sides of the conveying line, along which the cutting and welding blades 23 travel when operated (by means of a motor 34 with a suitable known drive system) so as to move between the spaced apart non-operative position (shown in solid lines in Figure 2 ) for allowing a product to pass through and the operative position close together (shown in broken lines in Figure 2 ) for welding the film folded around the product and retained between the blades.
  • the plant on each side of the wrapping station the plant comprises loaders 100 which are equipped with a plurality of reels of film 22, which are each rotatably supported along their vertical axis 24 and are to be brought in pairs into the operative position 110 along the sides of the wrapping system.
  • the loaders are driven by a suitable drive system (not shown in detail) so as to be able to convey when operated a desired pair of reels into the operative position 110.
  • the station also comprises means 111 which allow the free portions of the reels to be picked up in the operative position and conveyed to a joining unit 112 which is intended to form the continuous transverse strip of film and is used by the station during wrapping of the products.
  • the station also comprises means 113 for cutting the strip so as to allow separation again of the reels so that they can be replaced by two other reels of the plurality.
  • the two loaders 100 are linear and parallel to the conveying line 11. Moreover, in each reel support seat the loader is provided with a device 114 for supporting and dispensing the free portion of the film.
  • Unwinding and recovery of the film can be performed by means of a motorized system 115 for managing rotation of the reel in the operative position.
  • a motorized system 115 for managing rotation of the reel in the operative position.
  • each loader which is fixed in the operative position of the reels, and acts by means of tangential driving of the reel situated in the operative position. Tangential driving is advantageous for achieving better control over the peripheral speed of rotation of the reel.
  • an electronic apparatus for managing unwinding of the reel comprises, as will become clear below, a jockey arm system 16.
  • the jockey arm is advantageously provided with spring steel plates which ensure that the film does not slip downwards when there is a slackening of the tension.
  • each reel has a support shaft 24 which is advantageously provided with disc brakes 117, as can be clearly seen in Figure 2 .
  • FIG 3 shows in greater detail the means 111 which allow picking up of the free portions of the reels in the operative position and conveying thereof to the joining unit 112.
  • These means 111 comprise fixed grippers 118 and mobile grippers 119.
  • the fixed grippers consist of a plurality which are supported on the loader in each position for receiving a reel. These fixed grippers retain the free portion of film when the reel is not in the operative position. Advantageously they may be moved manually towards an outermost position with respect to the product conveying line so as to facilitate the manual insertion of the portion when a new reel is positioned on the loader (as shown in broken lines in Figure 7 ).
  • the mobile grippers 119 on the two sides of the station are supported so as to be driven between a pick-up position close to the fixed grippers and a position for joining the film (or gripping the film which is cut) close to the joining device 112 and cutting device 113.
  • the mobile grippers advantageously travel along rails parallel to the cross beam 33 so as to be displaced from the reel loading zone to the zone for welding the opposite film portions.
  • the mobile grippers and the fixed grippers are advantageously formed by means of pairs of resilient flat lugs which project parallel from rotational spindles for closing and opening the grippers.
  • the fixed-gripper lugs are staggered with respect to the mobile-gripper lugs so that they may be engaged inside each other, as can be clearly seen in Figures 4 and 6 , so as to allow the film to pass from one pair of grippers to the other.
  • At least the mobile grippers have a supply of pressurised air which is emitted from a central duct 120 along the axis of rotation in a direction parallel to and passing over the lugs towards their free ends. This has been found to facilitate the corrected stretched arrangement of the portions of film between the grippers before they are closed.
  • Figures 7 to 10 show film change-over sequences.
  • Figure 7 shows (for one reel) the aforementioned position with the jockey arms and fixed grippers which are displaced outwards for introduction of the portion of film into the fixed grippers when assembly of a new reel on the loader is performed. The same operation is carried out in mirror fashion on the reels of the opposite loader. Then, the fixed grippers are brought back into the advanced operative position (as can also be seen in Figure 1 ) such that the reel is ready to be used when the loader moves it into the operative position 110.
  • Figure 8 shows two reels which are have reached the operative position and which must form the transverse strip 15.
  • the fixed grippers 118 supply the station with respective portions of film 121.
  • the mobile grippers 119 are then displaced so as to enter into the fixed grippers ( Figure 9 ), grip the film, removing it from the fixed grippers (which open) so as to convey it towards the joining device ( Figure 10 ) assisted if necessary by the drives 115.
  • the film is free to travel inside the fixed grippers and the mobile grippers are able to position the film in the vicinity of the welding and cutting unit 112, 113.
  • the air jet on the mobile grippers is activated. This favours the vertical alignment of the film portion between the grippers.
  • the jockey arm will rotate since the mobile grippers recall the film.
  • the reel will be moved by means of the motor 115 so as to unwind the film, producing strong tensioning or pulling forces which would adversely affect normal operation of the machine.
  • the jockey arm will have the function of distributing the film uniformly and keeping it slightly pre-tensioned. Unwinding of the film will continue until the mobile grippers are in their end position and cause overlapping of the film portions.
  • the welding unit 112 is therefore activated and performs joining together of the left-hand portion with the right-hand portion. At this point the continuous transverse strip 15 has been formed, the welding and cutting unit returns into the rest position and the mobile grippers open so as to allow movement of the film when it is drawn by the pack passing through the machine. The machine is ready to receive the products to be wrapped with the film of the selected reels. Operation of the machine during the packaging operations are substantially conventional and will not be described further here.
  • the mobile grippers When it is required to replace the pair of reels with another one (for example for a change in format of the film), the mobile grippers are positioned and grip the film in the vicinity of the cutting means 113.
  • the cutting unit 113 is operated and performs cutting of the film.
  • the film on the reels is divided again, with the free portions gripped between the respective mobile grippers.
  • the mobile grippers retract until the film is inserted again inside the reel.
  • the reels are rotated by the respective drives 115 so as to be able to store the film again.
  • the mobile grippers When the mobile grippers are positioned again between the fixed grippers, the fixed grippers close and the movable grippers open. Finally, the mobile grippers move out from the fixed grippers so as to allow the loader to move into the position with the new desired reel.
  • the reel joining cycle may then be performed as already described above and the machine is ready to operate again with the new reels.
  • Figures 11, 12 , 13 and 14 show in greater detail the cutting and joining means which, advantageously, are contained in the same cutting and joining device 150.
  • the device 150 comprises a welding unit 112 with a welding head 151 and a cutting unit 113 with a vertically sliding blade 152.
  • the film is gripped between the unit and an opposite contact block 153 in order to perform welding or cutting.
  • the welding head is heated and the blade is kept in the raised position so as not to interfere with the film (as shown schematically in Figure 14 ).
  • the welding positioning device is shown in Figure 12 .
  • the welding head is not heated and the blade is slid vertically so as to perform the cut, while the grippers 119 advantageously retain the portions. At least one of the two grippers 119 is advantageously retracted slightly in order to keep the film tensioned during cutting and facilitate the creation of a free portion for the next joining operation.
  • the device in the cutting position is shown in Figure 13 .
  • the open grippers are able to guide and facilitate movement of the film during the product packaging operations even if the film passes through the device.
  • the film driving system in the vicinity of the welding bars facilitates the movement of the film during wrapping of the pack.
  • the plant comprises 19 for controlling the plant, which manage operation of the plant and in particular displacement of the loaders so as to select the film which must be used.
  • the control means 19 may receive selection commands from an operator or from a system for electronic detection of the incoming product.
  • a sensor 20 may be provided, said sensor detecting the height of the incoming product before the station 13 and communicating this height to the control means 19 which may thus decide which pair of reels contains the film most suitable for wrapping the particular product and carry out the necessary replacement of the reels.
  • the film used by the plant is of the heat-shrinkable type.
  • the conveying line 11, after the wrapping station, reaches or passes through a known heat-shrinking station 21.
  • each module (denoted generically by 200) comprises a box-shaped frame 201 which defines a parallelepiped for containing a reel 22.
  • the modules may be designed all identical, suitable for receiving any reel between the maximum and minimum dimensions envisaged for the reels.
  • the frame 201 supports the shaft 24 at the top and bottom ends, the braking system 117, the pre-tensioning jockey-arm system 116 and the fixed grippers 118.
  • Suitable known electrical connection and fluid-dynamic systems allow each module to be supplied with the power necessary for operation and receive from each module signals of suitable sensors situated therein.
  • the jockey arms 116 may be controlled by pneumatic systems 205 so as to ensure correct pre-tensioning of the film, in turn controlling, via a known sensor, the drive means 115 for unwinding or rewinding the reel.
  • the modules are connected together (for example bolted together) so as to form a train which travels on special guides 202.
  • each module 17 advantageously has a rack segment 203 which is mounted horizontally close to the base.
  • the rack segments of the modules arranged alongside each and connected to form a train thus create a single rack along the entire length of the loader 100.
  • a motor 204 is provided in a suitable position (preferably alongside the station 13) and drives the rack so as to move the loader longitudinally along the guides 202 and bring the desired module 200 into the operative position for using the film on its reel, as already described above.
  • the plant also comprises advantageously a further pair of jockey arms 206 which are provided along the path of the strip of transversely tensioned film and have the function of preventing vertical slipping of the strip during the product wrapping operations.
  • these jockey arms 206 are formed by arms 207 which resiliently rotate around a vertical axis 209 by means of an actuator 208 and which support vertical tubes 210 over which the film passes. The jockey arms are situated close to the gripper zone.
  • the tubes 210 have suction slits 211 in the zone thereof over which the film passes, these slits being connected to a suction source (denoted by 212 in Figure 17 ).
  • a suction source denoted by 212 in Figure 17 .
  • the film may pass over the tubes 210 in their vertical direction, but the suction prevents the film from slipping downwards when there is a reduction in the tension of the film owing to the welding operations.
  • the film must be slackened so as to ensure that softening in the welding zone does not result in yielding of the film in this zone.
  • suction it is therefore advantageous for suction to be activated so as to keep the strip of film at the correct height in the plant, preventing it from sliding downwards.
  • suction system has been found to be particularly advantageous because it suitably retains the film without stress. Moreover, by acting on a single side of the film (differently, for example, from roller and counter-roller systems), it leaves suitably free the zone for the travel movement of the film conveying grippers during the joining operations.
  • FIG 20 shows a constructional variant of the suction jockey arms 206.
  • suction jockey arms 306 are used where the suction tubes 210 (although being close to the gripper zone) are supported by arms 307 which rotate resiliently around a vertical axis 209 close to the mid-line of the wrapping station.
  • the arms 307 of the two jockey systems are in fact directed towards each other so that the axes 209 are close together.
  • an actuator 208 arranged centrally between the two jockey arms so as obtain their resilient movement.
  • the greater resilient rotational leverage of the jockey arms improves their action on the strip of film. For example, with rotation of the jockey arms, the suction eyelets move in the plane of the film less than in the preceding solution, ensuring a better sucking action.
  • the system according to the invention offers the possibility of quick automated change-over of the reels which are available for the machine in the special store formed by the mobile loaders.
  • the reels may be replaced by other new reels with a different format (i.e. height) if used up or with other formats and/or colours depending on the type of production required. It is sufficient for the reels for the required production to be preloaded by an operator in the predetermined receiving seats.
  • the driven reels are only those with the format being used by the machine, while the parked reels are stationary. In this way it is possible to perform easily replacement of the inactive reels without any danger since they are duly isolated from the moving parts of the machine. During this operation the machine may continue to work normally. The only operation prohibited is the format change-over operation, for obvious safety reasons.
  • the areas situated upstream and downstream of the machine and occupied by the store have a variable size depending on the capacity of the latter.
  • the loaders are advantageously provided with reels of film for wrapping a varying product height or height range and the film is therefore selected depending on the height of the product to be wrapped.
  • the reels in the loader may have film with other varying characteristics, depending on specific wrapping requirements.
  • film with different colours or different physical and chemical properties may be provided.
  • the plant according to the invention will however allow rapid selection of the desired film for each specific incoming product. Selection may be manual or controlled by suitable automatic or semiautomatic devices, also depending on sensing of the specific and predefined characteristics of the incoming product.
  • the number of reels which may be used may obviously be varied as required and different from that shown by way of example in the drawings.
  • a substantially straight conveying line is preferable, other configurations are conceivable, also so as to be able to make use of spaces with a particular shape and reduce the dimensions of the plant in certain directions.
  • the same is also applicable to the loaders.
  • the suction jockey arms, as well as other plant components, may be used both with the generic loaders according to Figure 1 and advantageously with the modular loaders according to Figure 15 , as can be easily imagined by the person skilled in the art on the basis of the description provided above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
EP11165480A 2010-05-27 2011-05-10 Vorrichtung zum seitlichen Einhüllen von Produkten mittels einer Kunststofffolie Withdrawn EP2392514A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000956A ITMI20100956A1 (it) 2010-05-27 2010-05-27 Impianto per l'avvolgimento laterale di prodotti mediante film plastico.
IT000146A ITMI20110146A1 (it) 2011-02-03 2011-02-03 Impianto perfezionato per l'avvolgimento laterale di prodotti mediante film plastico.

Publications (1)

Publication Number Publication Date
EP2392514A1 true EP2392514A1 (de) 2011-12-07

Family

ID=44800366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11165480A Withdrawn EP2392514A1 (de) 2010-05-27 2011-05-10 Vorrichtung zum seitlichen Einhüllen von Produkten mittels einer Kunststofffolie

Country Status (1)

Country Link
EP (1) EP2392514A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102795356A (zh) * 2012-08-16 2012-11-28 李毅 自动成卷包装机
CN103287609A (zh) * 2013-05-28 2013-09-11 江苏华峰自然纤维制品有限公司 用于地毯生产的自动成卷包装机
CN109335084A (zh) * 2018-10-26 2019-02-15 景宁众驰自动化科技有限公司 全自动包膜机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2276224A1 (fr) * 1974-06-29 1976-01-23 Leibfried Gmbh K Machine d'emballage pour munir des colis avec un revetement constitue par une feuille retractible
EP0183676A1 (de) 1984-11-30 1986-06-04 Adolf Reker Maschinenfabrik und Baggerbau GmbH Vorrichtung zum Verpacken von Gütern mittels einer Schrumpffolie
FR2606366A1 (fr) * 1986-11-12 1988-05-13 Newtec Int Procede et machine d'emballage pass-through
FR2869293A1 (fr) * 2004-04-23 2005-10-28 Thimon Sa Machine d'emballage a rideau d'une charge portee par un convoyeur
US20060096244A1 (en) 2004-11-09 2006-05-11 Aetna Group S.P.A. Machine for banding groups of palletized products

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2276224A1 (fr) * 1974-06-29 1976-01-23 Leibfried Gmbh K Machine d'emballage pour munir des colis avec un revetement constitue par une feuille retractible
EP0183676A1 (de) 1984-11-30 1986-06-04 Adolf Reker Maschinenfabrik und Baggerbau GmbH Vorrichtung zum Verpacken von Gütern mittels einer Schrumpffolie
FR2606366A1 (fr) * 1986-11-12 1988-05-13 Newtec Int Procede et machine d'emballage pass-through
FR2869293A1 (fr) * 2004-04-23 2005-10-28 Thimon Sa Machine d'emballage a rideau d'une charge portee par un convoyeur
US20060096244A1 (en) 2004-11-09 2006-05-11 Aetna Group S.P.A. Machine for banding groups of palletized products

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102795356A (zh) * 2012-08-16 2012-11-28 李毅 自动成卷包装机
CN103287609A (zh) * 2013-05-28 2013-09-11 江苏华峰自然纤维制品有限公司 用于地毯生产的自动成卷包装机
CN109335084A (zh) * 2018-10-26 2019-02-15 景宁众驰自动化科技有限公司 全自动包膜机

Similar Documents

Publication Publication Date Title
RU2335446C2 (ru) Автоматическое разматывающее устройство непрерывного действия для подачи материала в виде ленты с катушек
US11111038B2 (en) Perfected machine and method for packaging in extensible film products fed in groups or individually
CN107848641B (zh) 包装机
CN107848642B (zh) 包装机
EP2697122B1 (de) Einwickelmaschine und einwickelverfahren
US20050241276A1 (en) Log bander apparatus and method
EP2233399B1 (de) Horizontale Verpackungsmaschine mit einem Abwickler mit einer Spleißvorrichtung zum Tauschen der Rollen ohne ein Anhalten der Maschine sowie eine mit besagter Maschine verwendbare Bandzuführeinheit
CN102639399A (zh) 自动包装机
EP3687905B1 (de) Verpackungsmaschine mit umstülp- und stapelvorrichtungen
EP3686111B1 (de) Haubenmaschine mit film wechsel system
US20060182614A1 (en) Interlacing device for a palletizing machine and palletizing machine equipped with one such device
CN114007940B (zh) 用于对纸卷进行包装的包装机器
EP2392514A1 (de) Vorrichtung zum seitlichen Einhüllen von Produkten mittels einer Kunststofffolie
CA2341874C (en) Device for producing and removing stacks of plastic bags, especially bags for automatic machines
ITBO990560A1 (it) Dispositivo per il ricambio automatico della bobina di alimentazione del foglio con cui vengono avvolti i materassi e simili in macchine con
CN112520108B (zh) 一种玻纤纱团高效裹膜装置
EP2392513B1 (de) Gerät, Verfahren und Station zum seitlichen Einwickeln von Produkten mit einer Kunststofffolie
ITFI20110102A1 (it) "dispositivo e metodo per rimuovere rifili da una serie di prodotti ottenuti dal taglio di semilavorati allungati"
ES2372799T3 (es) Máquina de embalaje.
KR101480941B1 (ko) 견과류 포장장치
ITBO960363A1 (it) Unita; di alimentazione di materiale di incarto
EP3868692B1 (de) Verbesserte abfüllmaschine und verfahren zu deren betrieb
ITMI20110146A1 (it) Impianto perfezionato per l'avvolgimento laterale di prodotti mediante film plastico.
ITMI20100956A1 (it) Impianto per l'avvolgimento laterale di prodotti mediante film plastico.
ITMO20110074A1 (it) Macchina avvolgitrice e metodo di avvolgimento

Legal Events

Date Code Title Description
AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20120609