EP3774616A1 - Wickeleinrichtung mit mehreren wickelwellen - Google Patents
Wickeleinrichtung mit mehreren wickelwellenInfo
- Publication number
- EP3774616A1 EP3774616A1 EP19716356.1A EP19716356A EP3774616A1 EP 3774616 A1 EP3774616 A1 EP 3774616A1 EP 19716356 A EP19716356 A EP 19716356A EP 3774616 A1 EP3774616 A1 EP 3774616A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- support arm
- relative
- arm
- machine frame
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/028—Both ends type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
- B65H18/16—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web by friction roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/2207—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type
- B65H19/2223—Turret-type with more than two roll supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/413—Supporting web roll
- B65H2301/4135—Movable supporting means
- B65H2301/41354—Movable supporting means moving along a path enclosing a circular area, e.g. turret
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2402/00—Constructional details of the handling apparatus
- B65H2402/30—Supports; Subassemblies; Mountings thereof
- B65H2402/35—Supports; Subassemblies; Mountings thereof rotating around an axis
- B65H2402/352—Turrets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/50—Driving mechanisms
- B65H2403/52—Translation screw-thread mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/50—Driving mechanisms
- B65H2403/53—Articulated mechanisms
- B65H2403/533—Slotted link mechanism
- B65H2403/5331—Slotted link mechanism with sliding slotted link
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/40—Shafts, cylinders, drums, spindles
- B65H2404/43—Rider roll construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2408/00—Specific machines
- B65H2408/20—Specific machines for handling web(s)
- B65H2408/23—Winding machines
- B65H2408/231—Turret winders
- B65H2408/2315—Turret winders specified by number of arms
- B65H2408/23155—Turret winders specified by number of arms with three arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
- B65H2701/1752—Polymer film
Definitions
- Winding device with several winding shafts
- the invention relates to a winding device according to the preamble of claim 1 and a method for winding a roll according to the preamble of claim 8
- a roll change is required for winding a continuously fed material web, in particular plastic web.
- an empty winding tube is brought to the track.
- the web is severed and the newly created web start brought into contact with the new winding tube. Due to an adhesive or adhesive effect, which can be caused for example by an adhesive tape or by an electrostatic attraction, the web start adheres to the new winding tube, so that a new winding is formed.
- Both the new winding tube and the finished wound coils are located on winding shafts. In so-called turret winder these two winding shafts are arranged on a support element, which is movable relative to a machine frame.
- such a support element is designed as a revolving unit, for example as a hub or turnstile, and is rotatably mounted in the machine frame or a component thereof.
- the support unit is moved, so that the winding, which is currently being wound, is moved from the winding position and the new winding tube takes its place. Then, the winding change described above takes place.
- the material web is separated longitudinally into several partial webs, so that several in the axial direction of Wickelweüe juxtaposed winding arise.
- the support member During the movement of the support member, it is often necessary to press the wound on the winding material web along the peripheral surface.
- a contact roller presses the material web onto the winding in the winding position, so that as little as possible or even a defined amount of air passes between the individual layers of the winding.
- the contact roller is no longer in contact with the winding, so that an additional pressure roller takes on the task of the contact roller to avoid air entrapment.
- the pressure roller tracks the movement of the support element with a suitable movement, it is known from the prior art that the pressure roller is rotatably mounted in a bearing arm.
- This bearing arm is in turn carried by a support arm, wherein at least a part of the bearing arm is movable relative to the support arm.
- the support arm in turn is movably mounted in the machine frame.
- the object of the present invention is therefore to provide a winding device with a plurality of winding shafts, which overcomes the disadvantages mentioned above. According to the invention this object is achieved by all features of claim 1.
- at least one positive guide element is provided " with which the movement of the bearing arm relative to the support arm in dependence on the position of the support arm is controllable relative to the machine frame
- the support arm can be, for example, linearly displaceable " approximately along rails and / or along a rotatable spindle. In this case, the support arm assumes different " in this case, lateral, positions during the movement.
- the support arm can also be arranged rotatable or pivotable by means of rotary or pivot bearings on the machine frame " wherein different angular positions are ingestible. A combination of a linear and a pivoting or rotating movement is conceivable.
- the positive guide element according to the invention now couples the movement of at least parts of the bearing arm to the movement of the support arm » whereby now the pressure roller, which may have a rubberized outer surface » follows a defined and fixed path.
- the movements described in the context of the invention essentially take place in at least one plane which runs orthogonally to the winding or winding shaft. A possible movement parallel to the axis of rotation of the coil is not relevant here.
- a drive is provided » with which the support arm is movable relative to the machine frame.
- this is a piston-cylinder unit, for example a pneumatic cylinder, in particular a double-acting pneumatic cylinder.
- a piston-cylinder unit has the advantage » that it provides a force which can be used to press the pressure roller to the winding.
- no drive is required, but only a force providing means "such as a resilient element which acts on the support arm such that the support arm presses the pressure roller on the winding.
- a piston-cylinder unit such as a pneumatic cylinder » .
- the actual movement of the Support arm can be caused in this case by movement of the support element.
- the power flow in this case extends from the support element via the winding, the pressure roller and the load arm in the direction of the support arm.
- This embodiment is mechanically very easy to plan and manufacture.
- an electric motor which acts, for example via a spindle-spindle nut combination on the support arm
- another power supply means are available, which presses at least parts of the bearing arm and thus the pressure roller to the winding.
- An electric motor can also be an electric
- a pressing force can be provided with which the pressure roller can be pressed against the winding.
- Embodiment it is possible to control this pressing force, for example, depending on the position of the support arm and / or the speed of movement of the support arm and / or the diameter of the coil. This makes it possible, for example, to have the force acting perpendicular to the winding portion of the pressing force constant, while the total pressing force varies. Even a possible influence of the weight on the pressure roller can be compensated in this way.
- a control or regulation comprising a computing and control device, can be provided, which controls the motion drive in dependence on calculated or measured parameters. It can also be an additional power supply device with which a pressing force for the pressure roller to the winding can be provided, which can be controlled by the computing and control device.
- the positive guide element comprises a guide track, with which the movement of the bearing arm is controllable.
- a guideway may for example be a groove or a rail.
- a track that is sensory scanned can be provided.
- a guide track can alternatively also be stored as a data record in an electronic control device. Due to the current position of the support arm, the control device can then determine the corresponding position of the bearing arm and a drive which moves the bearing arm relative to the support arm, drive accordingly, so that there is a festgetegte movement of the bearing arm due to the movement of the support arm.
- the guideway is preferably connected to the machine frame, in which also the support element is mounted.
- the positive guide element comprises a guided element which is movable along a guide track and with which the bearing arm is directly or indirectly connected.
- a guideway may be configured, as has been described in the preceding paragraph.
- the guided element thus follows the predetermined guideway and transmits the movement to the bearing arm. This applies in particular to the case in which the guideway and the guided element interact purely mechanically.
- another drive may be necessary to apply the force necessary for the movement of the bearing arm.
- the guided element is in particular directly or indirectly connected to the bearing arm.
- the guided element is attached directly to the bearing arm, in the second case, another component may be provided, such as a lever to transmit the actuating forces on the bearing arm.
- the guided element can preferably be designed to fit the guideway.
- a sliding block or a roller run, which engage in the groove.
- a carriage can run, which can engage around the guideway U-shaped. But it can also be provided at least two rollers which engage the side of the guideway.
- the guided element and the support arm are coupled together in this case, during the movement of the support arm and the guided element relative to the machine frame to be movable.
- the guided element can be firmly or movably attached to the support arm.
- parts of the guided element engage in a positive guidance of the support arm.
- the support arm and the guided element are connected via a lever pivotally arranged on the support arm.
- a coupling can also be done electronically, wherein, for example, a rotary encoder can be provided on the support arm, whose data are given to the control device already described.
- the guided element is that component which transmits the travel paths to the bearing arm, for example the shaft of a position motor and / or a groove in which engages, for example, a threaded shaft of a position motor.
- At least one support element movable relative to a machine frame, on which the winding shafts are arranged, is moved,
- At least one pressure roller which is rotatably mounted in at least one bearing arm, is pressed against the winding
- At least one support arm is moved relative to the machine frame, the support arm carrying the support arm, wherein at least a part of the support arm is moved relative to the support arm,
- the movement of the bearing arm is controlled relative to the support arm in dependence on the position of the support arm relative to the machine frame.
- Figures 1 to 4 Structure and operation of a first embodiment of a winding device according to the invention
- Figures 5 to 8 Structure and operation of a second embodiment of a winding device according to the invention
- Figure 9 Structure of a third embodiment of an etf indungshielen winding device
- FIG. 10 View IX - IX of Figure 5
- Figures 1 to 4 show a first embodiment of a winding device 101 according to the invention.
- This winding device comprises as a supporting part of a machine frame, of which a support frame! 102 is visible, which for the sake of simplicity is shown as a rectangular plate, but in practice can assume any function oriented design.
- a rotation element 104 is rotatably arranged around the rotation axis 103, which can be seen in FIG. 1 as a disk.
- a plurality of winding shafts are arranged via pivot bearings, which are not shown in detail.
- winding shafts 105 , 108 and 107 there are three winding shafts 105 , 108 and 107, as shown, these may be arranged on a circle with the center of the axis of rotation at a uniform distance from each other.
- the axes of rotation of the winding worlds are designated 108, 109 and 110.
- the individual winding waves are shown in different operating states.
- the winding shaft 107 is in an unloading position, with already finished vetch! are deducted from the winding shaft 107.
- the winding shaft 105 is in a standby position in which it is equipped with one or more winding tubes 111.
- the winding shaft 106 is in a winding position, wherein the winding shaft is equipped with one or more winding sleeves 112 and wherein the winding tube or the winding tubes, each wound with a web 113 or has been wound and one or more winding 114 forms or form.
- the winding can also be wound without winding tubes.
- the web 113 is preferably a plastic film web, in particular a stretch film. However, it can also be a paper web or a metal foil web (eg aluminum foil).
- at least one longitudinal cutting element can be provided, so that several wound on the same winding tube winding are wound.
- the web 113 is preferably supplied to the winding device 101 via various guide rollers, which are not shown, and pressed during winding by one or more contact rollers 115 to the respective winding 114, wherein the pressing force of the contact roller, the amount of air between the individual Layers wrapped, can be controlled.
- the contact roller 115 is no longer in touching contact with the reel 114. It has been removed from the reel or wraps in preparation for a reel change.
- the contact roller is movably mounted on the machine frame, so that it is movable relative to the machine frame and / or thus relative to the winding shaft 106.
- the contact roll can be arranged in a pendulum arm, which can be mounted pivotably in the rack 102. But it can also be in sledges, which are movable along rails, be stored. In any case, a drive for the movement of the contact roller relative to the winding shaft is required.
- the function of the contact roller 115 is perceived during the winding change by the pressure roller 120, which thus referred to as auxiliary contact roller could be.
- the pressure roller 120 is therefore preferably applied to the winding before the contact roller 115 is moved away from the winding 114. This can be done, for example, in an intermediate position in which the rotational element 104 stops short between the winding position and the unloading position, so that the pressure roller 120 can be applied and the contact roller 115 can be removed.
- the pressure roller 120 is movable over a wide adjustment range relative to the support frame 102, so that it can remain in contact with the winding 114, as long as the winding is moved to the unloading position, which is occupied by the winding shaft 107 in FIG.
- the pressure roller 120 is rotatably mounted on a lever 121, which is controlled relative to the machine frame via a positive guide, which is designed in the present drawing as a cam track 122, with respect to its position.
- the cam track 122 can be incorporated into the support frame 102, for example, milled, be.
- the cam track 122 may be a separate component, such as a separate plate into which the cam track has been milled, this component being attached to the support frame.
- the control of the lever takes place in the embodiment of Figure 1, by a pin 123, a roller or other, the cam track scanning element is attached to the lever 121.
- a movement of the pin 123 is achieved in that a component 124 parallel to the support frame 102 linearly in the direction of the double arrow R is movable.
- the lever 121 is linearly movable in the direction of the double arrow S.
- the component may for example be a tubular component or comprise another linear guide.
- a drive is provided which, for example - as shown - as
- Piston-cylinder unit 125 is configured, wherein the cylinder is fixed to the machine frame and the piston which is slidably mounted in the cylinder, is attached to the component 124.
- the piston-cylinder unit is preferably operated with compressed air.
- the drive can also be a spindle Spindle nut combination, wherein the spindle or the spindle nut is driven by an electric motor, for example by means of a servo geared motor, or about a linear motor. To ensure a linear movement of the component 124, this may be attached to a carriage 126 which may be slidably mounted along a rail 127.
- the cylinder of the piston-cylinder unit 125 is now subjected to a force which acts in the direction of the roll 114. Due to the preferred pressurization with compressed air, the piston-cylinder unit acts like a resilient element. As a result, the pressure roller 120 is now pressed against the winding 114. By selecting the air pressure in the piston-cylinder unit, the force with which the pressure roller presses against the winding 114 is set. The air pressure can additionally be varied as a function of various parameters, such as the current rotational position of the rotary element 104.
- FIG. 2 now shows the situation in which the rotary element 104 has been rotated in the direction of the arrow D for the purpose of winding change.
- the web 113 is still guided over the contact roller 115. Due to the rotational movement of the rotary element, a counterforce is also exerted on the pressure roller 120, so that now the lever 121 is moved not only in the direction R but also in the direction S due to the constraining force exerted by the pin 123 and the curved track 122.
- a suitable choice of the course of the curved path is thus ensured that the pressure roller 120 is always in contact with the winding 114 during the rotational movement. It is basically not decisive which angular position the pressure roller 120 takes relative to the winding 114. It is advantageous, however, if the Winkeiposition the pressure roller 120 coincides with the angular position of the casserole line, ie the line in which the web 113 first touches the winding 114.
- FIG. 3 now illustrates the situation in which the winding 114 has reached the unloading position and the new winding 111 has reached the winding position. It is further shown that the contact roller was brought into contact with the new winding 111 and then the web 113 with a not shown Separator was cross separated, so that the new web start was set to the new roll. The trailing end of the old web portion is still wound on the winding 114, wherein the pressure roller 120 is still employed on the winding 114
- the curved path 122 may be formed at the lower end such that a further movement of the lever 121 also removes the winding in the horizontal direction from the winding.
- a removal device 130 can now approach unhindered from below to the winding 114 in order to be able to remove the winding. This situation is illustrated in FIG. 4. After removal of the roll 114, the pressure roll 120 can again be moved to a standby position, so that the described process for changing the roll can be repeated.
- FIGS. 5 to 8 show an analog winding changing process, wherein another embodiment of the winding device 101 according to the invention is used.
- the same components, which have already been explained with reference to FIG. 1, are not provided with reference numbers again for reasons of better clarity in FIGS. 5 to 8.
- the situation is shown, in which the winding 114 is wound with still employed contact roller 115 to the web 113.
- the pressure roller 120 is in a standby position.
- the pressure roller 120 is rotatably mounted on a lever 201.
- the lever 201 is pivotally connected via a pivot bearing 202 to a pivot lever 203 articulated.
- the pivoting lever 203 in turn is preferably hinged via a pivot bearing 204 pivotally mounted on the support frame 102.
- a drive preferably the illustrated piston-cylinder unit 207, is provided.
- a coupling rod 210 is provided.
- This coupling rod 210 is pivotally connected at its first end to the lever 201, the control is effected in that a curved path 211 is provided.
- the coupling rod 210 carries at its second end a pin 212, a roller or other, the cam track scanning element.
- the pivot lever includes a slot 213, in the a arranged on the coupling rod attachment part engages.
- This attachment part may be an extension of the pin 212.
- Another force-transmitting coupling of the coupling rod 210 to the pivot lever 203 may be provided.
- the pressure roller 120 is already in contact with the winding 114, and the contact roller 115 has already been removed from the winding.
- the piston-cylinder unit has been subjected to a force, which is preferably generated via a compressed air supply and which points in the direction T.
- the pressure roller 120 thus presses on the winding 114 with a defined force.
- FIG. 7 now shows the winding change while the rotary element is being rotated in the direction D.
- This situation is analogous to FIG. 2.
- FIG. 8 shows the situation analogous to FIG. 3, ie, the winding 114 is in the unloading position.
- the pressure roller is also in a lever, which is now indicated by the reference numeral 230, stored.
- the lever 230 is not pivotally hinged to the pivot lever 203, but relative to this linearly displaceable.
- at least one rail element not visible in FIG. 9 can be arranged on the pivoting lever 203, on which at least one carriage 231 is slidably mounted, which in turn is fastened to the lever 230.
- the at least one rail element may be arranged on the lever 230 and the at least one carriage 231 may be arranged on the pivot lever 203.
- the pin 212 is now immovably connected to the lever 230 and preferably attached directly to the lever 230. On a coupling rod can be omitted in this embodiment.
- FIG. 10 now shows a side view of the embodiment according to FIGS. 5 to 8. It can be seen, in the first place, that essential components are present in duplicate in order, for example, to be able to provide a double-ended support of the winding shafts.
- a support frame 102 On both sides of the winding device 101 in each case a support frame 102 can be seen, which are shown as representative of any components of a machine frame.
- the rotation elements 104 are arranged, wherein by means of a dash-dotted line, the rotation axes 103 are shown. Between the two rotary elements 104, the winding world 106 extends, which carries a plurality of juxtaposed winding 114. Also, a single winding 114 is conceivable.
- the axes of rotation 109 are in turn drawn with dash-dotted lines.
- the pressure roller 120 is shown as a one-piece roller, but it can also be divided into a plurality of individual pressure rollers analogous to the coils 114.
- the pressure roller 120 is rotatably mounted with its pin 220 in the levers 201.
- the levers 201 in turn are articulated in the pivot levers 203 via the pivot bearings 202, which are symbolized by dash-dotted lines.
- the pivot lever 203 are pivotally connected via pivot bearings 204 to the support frames 102.
- the drive of the pivot lever 203 is not shown in the figure 9. Visible, however, is the pin 212 which is attached to the coupling rod 210 and engages on both sides therethrough. It is of course also possible, for example, to provide two pins at different positions.
Landscapes
- Winding Of Webs (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018205208.5A DE102018205208A1 (de) | 2018-04-06 | 2018-04-06 | Wickeleinrichtung mit mehreren Wickelwellen |
| PCT/EP2019/058419 WO2019193063A1 (de) | 2018-04-06 | 2019-04-03 | Wickeleinrichtung mit mehreren wickelwellen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3774616A1 true EP3774616A1 (de) | 2021-02-17 |
| EP3774616B1 EP3774616B1 (de) | 2022-01-05 |
Family
ID=66102073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19716356.1A Active EP3774616B1 (de) | 2018-04-06 | 2019-04-03 | Wickeleinrichtung mit mehreren wickelwellen |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3774616B1 (de) |
| DE (1) | DE102018205208A1 (de) |
| ES (1) | ES2906079T3 (de) |
| WO (1) | WO2019193063A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772342B (zh) * | 2022-03-10 | 2025-05-02 | 五洋纺机有限公司 | 一种适用于铺纬机的纤维布条供料系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4431140A (en) * | 1981-11-27 | 1984-02-14 | The Black Clawson Company | Continuous pressure roll winder |
| DE10202462B4 (de) * | 2001-10-24 | 2005-11-24 | Windmöller & Hölscher Kg | Vorrichtung zum kontinuierlichen Aufwickeln von Bahnen |
| ITMI20072018A1 (it) * | 2007-10-18 | 2009-04-19 | Colines Spa | Impianto avvolgitore per impiego in linee di produzione di film plastici, in particolare film plastici estensibili, e metodo di avvolgimento di bobine di film plastici. |
-
2018
- 2018-04-06 DE DE102018205208.5A patent/DE102018205208A1/de not_active Withdrawn
-
2019
- 2019-04-03 WO PCT/EP2019/058419 patent/WO2019193063A1/de not_active Ceased
- 2019-04-03 EP EP19716356.1A patent/EP3774616B1/de active Active
- 2019-04-03 ES ES19716356T patent/ES2906079T3/es active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019193063A1 (de) | 2019-10-10 |
| EP3774616B1 (de) | 2022-01-05 |
| ES2906079T3 (es) | 2022-04-13 |
| DE102018205208A1 (de) | 2019-10-10 |
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