US20040182050A1 - Apparatus for the fastening of the tail of wrappings of stretchable film for palletized goods - Google Patents

Apparatus for the fastening of the tail of wrappings of stretchable film for palletized goods Download PDF

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Publication number
US20040182050A1
US20040182050A1 US10/724,097 US72409703A US2004182050A1 US 20040182050 A1 US20040182050 A1 US 20040182050A1 US 72409703 A US72409703 A US 72409703A US 2004182050 A1 US2004182050 A1 US 2004182050A1
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United States
Prior art keywords
wrapping
gripper
pocket
tail end
rod
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Abandoned
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US10/724,097
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English (en)
Inventor
Danica Pieri
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Pieri Srl
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Pieri Srl
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Filing date
Publication date
Application filed by Pieri Srl filed Critical Pieri Srl
Assigned to PIERI, S.R.L. reassignment PIERI, S.R.L. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PIERI, DANICA
Publication of US20040182050A1 publication Critical patent/US20040182050A1/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/02—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
    • B65B11/025—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders by webs revolving around stationary articles
    • 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
    • B65B11/04—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated
    • B65B11/045—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated by rotating platforms supporting the articles

Definitions

  • the invention relates to an apparatus particularly suitable for rotating-arm or rotating-load wrapping machines, for fixing, without welding, the tail end of the wrappings of palletized loads, formed using stretch film and/or other elastic or plastic material.
  • the Applicant is the owner of the United States patent described in the document U.S. Pat. No. 6,453,643 B1 which describes a method for performing the said mechanical fixing of the tail end of the wrapping formed with wrapping machines of any type and characterized by the sequence of following operating steps:
  • a straight and vertical counter means is brought up to a wall of the load, at the correct distance from it, and the last turn or turns of the wrapping cycle are rested on it so as to create in the said wrapping a pocket of suitable amplitude in which the said last turns are sufficiently spaced from the load;
  • the tail end of the wrapping is transversely compressed into a bundle and the bundle of film is retained by a main gripper and a secondary gripper which are situated at a small distance from each other, the secondary gripper being situated closer to the load;
  • the bundle of film is cut along the section comprised between the said two grippers so as to define the tail end of the wrapping which is retained by the secondary gripper and the front end of the next wrapping which is retained by the main gripper;
  • the secondary gripper with the tail end of the wrapping is inserted into the said pocket formed during the first stage of the cycle in question, following which this gripper is opened and extracted from the pocket, while in synchronism, from the said pocket, extraction of the said counter means which initially formed it is effected so that, owing to the elastic memory effect of the wrapping film, the pocket rapidly closes and firmly retains inside it the tail end of the wrapping, without the need for performing conventional heat-welding and without leaving in the wrapping projecting parts which could be interpreted as imperfections in the formation of the said wrapping by quality control means often operating along the unloading line of a wrapping machine.
  • FIGS. 1 and 2 are respectively a plan view and side elevation view of the main components of the apparatus during the first stages of the processing cycle;
  • FIG. 3 is a side view as can be seen in FIG. 2, which shows more clearly the movement means of the main operating components of the apparatus in question;
  • FIG. 4 shows a front elevation view, with parts sectioned, of the components shown in FIG. 3;
  • FIG. 5 shows a perspective view of the movable gripper of the apparatus
  • FIGS. 6 and 7 show a top plan view of the apparatus during the steps involving gripping of the tail end of the wrapping by the secondary gripper and intervention of the main gripper of the means which cut the film situated between the two grippers and which prepare the secondary gripper for insertion of the tail end of the wrapping into the pocket created in the said wrapping by the appropriate means;
  • FIGS. 8 and 9 show a front elevation view, during the steps of FIG. 7, of insertion of the secondary gripper into the pocket of the wrapping during the subsequent return movement upwards and during the final step of neutralization of the pocket forming means, with closing of the said pocket and fixing of the tail end of the wrapping;
  • FIGS. 10 and 11 show respectively a side and top perspective view of the primary gripper with the associated cutting means
  • FIG. 12 is a top plan view of a variant of the means which perform rotation of the secondary gripper about an axis parallel to the longitudinal axis of the said gripper.
  • C, C′ denote respectively in continuous lines and broken lines the loads of different sizes which may be processed by the wrapping machine which for the moment is assumed to be of the rotating-arm type.
  • the load is positioned underneath the gantry of the machine, in the correct wrapping position, by a parallel-chain or motorized-roller conveyor T, as in the example in question.
  • the direction of travel of the product is preferably that indicated by the arrow F (see below), but may also be in the opposite direction.
  • any suitable frame 1 is provided, the said frame supporting the various components of the apparatus in question, which, when in the rest position, must not interfere with the bottom edge B of the wrapping A formed by means of unwinding of the film from the reel Z mounted so as to be able to be raised and lowered on the upright of the arm in the form of an overturned L of the wrapping machine, known and not shown, which rotates about a vertical axis substantially coinciding with the centre of the load C or C′.
  • D denotes the direction of rotation, about the load, of the reel Z.
  • the operating means of the apparatus have been shown in broken lines when they are in the rest position indicated by the arrow K and it may be noted how the said means are all located at a height lower than the edge B of the wrapping.
  • the apparatus comprises on the top of the frame 1 a support 2 , for example in the form of a fork member, which is able to rotate about its vertical axis 102 and which comprises means so that it can be fixed with a correct orientation during installation of the said apparatus.
  • the support 2 pivotably supports on a horizontal shaft 3 the bottom end of the counter-rod 4 which usually has a round cross section and a length proportional to the height of the turns of the load wrapping film (see below) and is preferably provided on its free end with a roller 104 in the form of a cap, with a rounded top end, which is rotatably fitted over a top section of the said rod and which rotates idly about an axis coinciding with the longitudinal axis of the said rod 4 .
  • the pivoting shaft 3 of the rod 4 or the rod itself is connected to a pivoting actuator which must bring this rod from the horizontal, lowered, rest position into the vertical, raised, working position and vice versa and which for example comprises a fluid pressure cylinder 5 which is secured with the base of its body at 105 to the support frame 1 and hinged with the end of its stem to a lever 6 fixed at right angles for example on one end of the said shaft 3 .
  • a pivoting actuator which must bring this rod from the horizontal, lowered, rest position into the vertical, raised, working position and vice versa and which for example comprises a fluid pressure cylinder 5 which is secured with the base of its body at 105 to the support frame 1 and hinged with the end of its stem to a lever 6 fixed at right angles for example on one end of the said shaft 3 .
  • Suitable means may be envisaged for damping and stopping the end-of-travel strokes of the actuator 5 and/or the lever 6 so as to keep the rod 4 stable in the two different positions, all of which in a manner which can be
  • the said rod 4 When the rod 4 is in the horizontal, lowered, rest position, as indicated by broken lines in FIG. 1, the said rod is oriented in the direction of the plan projection of the load C, C′, is situated underneath the ideal horizontal plane which contains the bottom edge B of the wrapping and is such as not to interfere with the said load, with the pallet P, with the conveyor T or with the associated base.
  • the rod 4 When the load has been wrapped, the rod 4 is raised vertically as shown in continuous lines in FIGS. 1 and 2 and in this position the said rod is located at a suitable distance from the load and is such as to support at least one last turn of the wrapping so as to form therewith a pocket S of suitable amplitude.
  • the last turn of the film for wrapping the load may be provided with a height which if appropriate is lower than that of the other turns, owing to the intervention of means which operate, for example, on the carriage of the wrapping machine with the reel Z. This possible condition would allow a notable constructional and functional simplification of the apparatus in question as will be understood further below.
  • a plate 7 is provided, the said plate being pivotably mounted at one of its ends on a horizontal shaft 8 perpendicular to the direction of travel of the product on the conveyor T and supported at its ends by a pair of support brackets 9 fixed to the aforementioned structure 1 .
  • One end of the shaft 8 projects from the associated support bracket 9 and has, fixed thereto, a right-angled lever 10 which is hinged for example with the stem of a fluid pressure cylinder 11 which is secured at 111 to support brackets fixed to the frame 1 .
  • the plate 7 may be brought from the vertical rest position oriented downwards, into the horizontal active position, as illustrated by means of broken lines and continuous lines in FIGS. 2 and 3.
  • Special damping and end-of-travel means are envisaged for stopping the plate correctly in the said limit positions.
  • 12 for example denotes a stop integral with the frame 1 , for stopping the plate 7 in the horizontal active position.
  • the plate 7 has, rotatably mounted thereon, about a shaft 13 perpendicular to the said plate a further plate 14 provided for example laterally with an appended part 114 hinged with the stem of a fluid pressure cylinder 15 which, with its body, is hinged at 115 with an arm 107 integrally joined in cantilever fashion to and coplanar with the plate 7 .
  • the plate 14 may be brought from the rest position where it is aligned with the underlying plate 7 , as illustrated in FIGS. 1 to 4 , into a position rotated through 90 with respect to this plate (FIG. 7), and in this case also special damping and end-of-travel means are envisaged for stopping the plate 14 in the two different positions.
  • FIG. 7 special damping and end-of-travel means are envisaged for stopping the plate 14 in the two different positions.
  • 16 denotes for example a stop integral with the plate 7 and useful for stopping the plate 14 in the rest position.
  • the rotation of the plate 14 about the shaft 13 may be performed using means different from those described above, for example using means located even underneath the primary plate 7 and comprising a rack-and-pinion assembly 113 with the associated fluid pressure cylinder 15 ′ for alternately actuating the rack.
  • This solution is more suitable than the previous solution for varying, according to requirements, the rotational amplitude of the plate 14 and in particular involves volumes with a smaller projection relative to the pivoting fulcrum 8 and situated underneath this fulcrum and the associated primary plate 7 so as to form a substantial counterweight for the operating means mounted on the secondary plate 14 , with advantages also of the dynamic type, as will appear more clearly in the remainder of the description.
  • the plate 14 has fixed, perpendicularly with respect thereto, a straight guide 17 , for example of the tubular type, with a polygonal cross section and height slightly greater than the height of the turns forming the pocket S, inside which there slides, with the aid of means having a low coefficient of friction, for example ball bearings or lateral rollers 18 (FIG.
  • a rod-shaped slide 19 which may be extended or retracted by means of a fluid pressure cylinder 20 also fixed via its body onto the plate 14 and integral, via its stem, with a lateral and upper appended part 120 of the said slide, which supports rigidly and with the possibility of adjustment along perpendicular axes an arm 119 which is in the form of an overturned L having a section which is parallel to and arranged alongside the said slide 19 and on the bottom of which an assembly 21 , more clearly illustrated in FIG. 5, is mounted.
  • the assembly 21 comprises a body 121 which is fixed onto the bottom end of the arm 119 with the possibility of being oriented in the correct position with rotation about the longitudinal axis of the said arm and being able to be locked in the most suitable position.
  • the body 121 has two flat and facing surfaces, with longitudinal grooves inside which the ends of a pair of fork members 221 are inserted and fixed using suitable means, the said fork members being formed for example by a round metal bar, diverging downwards and being identical and parallel to each other.
  • the body 121 carries, hinged at the bottom, the pair of jaws 321 of a secondary gripper, which are actuated with a symmetrical movement by a stem which slides axially inside the said body 121 designed to function also as a fluid pressure cylinder.
  • the jaws 321 When the jaws 321 are in the open position, their active and preferably toothed surface is raised with respect to the internal overturned V-shaped part of the fork members 221 , whereas, when they are closed, the said jaws project from this V-shaped part of the fork members and are arranged in the middle of the latter so as to grip the material gathered in this same V-shaped part (see below).
  • the assembly 17 , 19 , 119 lies in a vertical ideal plane and is in the contracted position.
  • the machine stops with the arm which carries the reel Z in a predetermined and constant angular position (FIG. 1), with the last section of the film connected to the said reel, namely the tail end of the wrapping, situated at a short distance from the counter-rod 4 which has formed the said pocket S and which for this reason is located in the correct position for gripping by the unit 21 , as described further below.
  • the cylinder 11 is retractably actuated so as to raise the plate 7 with rotation through 90 until it is arranged horizontally and during this step the cylinder 20 is actuated extendably so as to extend the assembly 17 , 19 , 119 with the unit 21 , so that, at the end of this step, the said assembly is in a vertical position, with the unit 21 raised and above the tail end of the wrapping, as shown in broken lines in FIG. 2 and as shown in FIG. 6.
  • the assembly 19 , 119 is lowered with retraction of the cylinder 20 so that the pair of fork members 221 moves down onto the tail end of the film and bundles it together along its bottom edge B, as shown with continuous lines in FIG.
  • closing of the jaws 321 is performed so that the secondary gripper situated on the unit 21 retains the tail end of the wrapping.
  • the bottom edge B of the tail end of the wrapping is supported by a counter-guide 24 which is for example fixed to the frame 1 (FIGS. 2, 6).
  • a jaw 122 which is fixed to the said frame, situated underneath and transversely with respect to the bottom edge B of the said section of film and comprises a movable jaw 222 which, with one of its ends, is for example fixed laterally with respect to a pinion 25 located at the end of the jaw 122 which is directed towards the load C and means are envisaged for alternate rotation of the said pinion, so that the movable jaw 222 passes from the horizontal removed position longitudinally aligned with the jaw 122 , as shown in FIG. 11 by broken lines, into the closed position where it is arranged on top of the fixed jaw, as shown in FIGS. 11 and 12 in continuous lines.
  • the pinion 25 meshes for example with a larger-diameter pinion 27 , the shaft 127 of which is also rotatably supported by the plate 26 and this pinion is used as a crank, being hinged at 28 with the stem of a double-acting pneumatic cylinder 29 in turn hinged, via its body, at 30 with a support arm 126 integral with the said plate 26 and fixed to the frame 1 .
  • FIG. 10 it can be seen how the assembly of the primary gripper 22 is substantially horizontal, with a slight gradually upward inclination in the direction of the load, in order to avoid damaging interference between the fixed jaw 122 and the bottom edge B of the tail end of the wrapping film.
  • the gripper 22 retains the section of film which will form the front end Y of the future wrapping performed by the wrapping machine.
  • the aforementioned action of bundling together upwards the tail end of the wrapping may be performed, as an alternative to the solutions already mentioned, by the same primary gripper 22 which, before closing, is made to perform a raising movement suitable for the abovementioned objects.
  • the primary gripper 22 on the side thereof directed towards the secondary gripper 321 ., is provided with cutting means 23 consisting for example of a blade with sawteeth, directed upwards and integral with a carriage 31 (FIGS. 10, 11) which slides inside a tubular guide 32 parallel to the fixed jaw 122 and also fixed for example to the said plate 26 .
  • This guide houses internally and has hinged therewith at 34 , via its body, the double-acting pneumatic cylinder 33 connected via its stem to the said carriage 31 with the saw 23 which projects from the guide 32 through a longitudinal window 132 and which, in the rest position, is protected inside a bridge-piece 35 .
  • the cylinder 15 is activated in synchronized sequence and causes rotation, through ninety degrees, of the assembly 21 with the secondary gripper about its vertical axis and in the direction of the wrapped load, as illustrated in FIGS. 7 and 8, so that the said secondary gripper 321 is positioned above the pocket S.
  • the cylinder 20 is retractably actuated so as to insert the secondary gripper into the pocket S, as shown by broken lines in FIG. 8.
  • the secondary gripper 321 is opened and then the entire assembly 21 is raised as shown in continuous lines in FIG. 9, while in strict synchronized sequence the counter-rod 4 is lowered and extracted from the pocket S which closes owing to the elastic effect of the wrapping film and firmly retains inside it the tail end X of the said wrapping. From the sequence shown in FIGS. 8 and 9 it can be seen how extraction of the assembly 21 with the secondary gripper from the pocket S is facilitated by the presence, integral with the arm 119 , of a sliding shoe 36 which prevents damaging interference between the turn which forms the said pocket, after the rod 4 has moved away, and the said assembly 21 .
  • the same load may commence the removal movement in synchronism with lowering of the rod 4 . Otherwise, once lowering of the rod 4 has been completed, the load is removed from the wrapping station and is replaced by a new load.
  • the primary gripper 22 remains temporarily in the active state in which it was left with reference to FIG. 7, and the arm with the reel Z starts to rotate about the load, remaining temporarily at the bottom with the said reel and before the latter performs a complete rotation, the said primary gripper 22 opens and a static blower bar 37 (FIG.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Sealing Devices (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Processing Of Terminals (AREA)
  • Replacement Of Web Rolls (AREA)
US10/724,097 2002-12-02 2003-12-01 Apparatus for the fastening of the tail of wrappings of stretchable film for palletized goods Abandoned US20040182050A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO2002A000755 2002-12-02
IT000755A ITBO20020755A1 (it) 2002-12-02 2002-12-02 Apparato per il fissaggio senza saldatura della coda

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US20040182050A1 true US20040182050A1 (en) 2004-09-23

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US10/724,097 Abandoned US20040182050A1 (en) 2002-12-02 2003-12-01 Apparatus for the fastening of the tail of wrappings of stretchable film for palletized goods

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US (1) US20040182050A1 (de)
EP (1) EP1426296B1 (de)
AT (1) ATE367963T1 (de)
DE (1) DE60315115D1 (de)
IT (1) ITBO20020755A1 (de)

Cited By (16)

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Publication number Priority date Publication date Assignee Title
US8099935B2 (en) 2007-03-16 2012-01-24 Atlanta Stretch S.P.A. Method and apparatus for fixing the tail end of the film for wrapping palletized loads
ITMO20120113A1 (it) * 2012-04-27 2013-10-28 Aetna Group Spa Apparato e metodo per fissare un film di avvolgimento
US20130312366A1 (en) * 2012-05-25 2013-11-28 Tien Heng Machinery Co., Ltd. Film clamping and cutting device of stretch wrapping machine
US20140215968A1 (en) * 2008-05-28 2014-08-07 Lantech.Com, Llc Film Clamp And Related Methods And Apparatuses For Wrapping Loads
US20150151861A1 (en) * 2012-07-06 2015-06-04 Integrated Packaging Australia Pty Ltd. Pallet wrapping machinery
US20180368329A1 (en) * 2017-06-27 2018-12-27 Deere & Company Enveloping device for enveloping a bale with an enveloping material, a baler, and method thereof
US20190152632A1 (en) * 2016-07-07 2019-05-23 Signode Industrial Group Llc Packaging method and stretch hood system
WO2020092770A1 (en) * 2018-11-01 2020-05-07 Entrotech, Inc. Method and apparatus for application of polymeric film and laminates to surfaces of articles
CN111902041A (zh) * 2018-03-23 2020-11-06 腊斯佩系统技术有限公司 用于打结绳线和打捆装置的绳线打结器结构
IT201900006886A1 (it) * 2019-05-16 2020-11-16 Aetna Group Spa Apparato di svolgimento per macchina avvolgitrice
CN112098216A (zh) * 2020-09-05 2020-12-18 宁波弘宇检测有限公司 一种锚杆的拉拔试验装置及其试验方法
IT202000017749A1 (it) * 2020-07-22 2022-01-22 Atlanta Stretch S P A Apparecchiatura e metodo per avvolgere in modo automatico una pellicola attorno ad un oggetto
US20220204198A1 (en) * 2012-06-18 2022-06-30 TAB Industries, LLC Exhaust Blower for Orbital Pallet Wrappers
IT202200008216A1 (it) * 2022-04-26 2023-10-26 Pieri Srl Apparato e metodo per avvolgere un film attorno ad un carico palettizzato
CN119660035A (zh) * 2024-11-22 2025-03-21 湖南宏工智能科技有限公司 一种全自动缠膜机及其缠膜方法
US12577012B1 (en) * 2023-09-12 2026-03-17 Amazon Technologies, Inc. Automated stretch wrapping within closely spaced pallets

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DE602004016622D1 (de) * 2004-04-15 2008-10-30 Mecwrap Srl Vorrichtung und Verfahren zum Durchtrennen und Festlegen von Streckfolie für Umhüllung von Paletten
ITBO20050269A1 (it) * 2005-04-21 2006-10-22 Atlanta Stretch S P A Apparato a bracci oscillanti per la collocazione automatica di un foglio di copertura sulla sommita' di carichi pallettizzati durante la fase d'avvolgimento con film estensibile
CN118529341B (zh) * 2024-07-24 2024-09-27 景林包装机械(常州)有限公司 缠绕包装机用料尾切除、回收、固定装置及方法

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US5802810A (en) * 1997-06-28 1998-09-08 Illinois Tool Works Inc. Method and apparatus for wrapping and securing stretch film about a load
US6453643B1 (en) * 1997-12-10 2002-09-24 Pieri S.R.L. Method and apparatus for the fastening of the tail of wrappings of stretchable film for palletized loads

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US4204377A (en) * 1974-06-12 1980-05-27 Lantech, Inc. Process and apparatus for wrapping netting material around a load
US5802810A (en) * 1997-06-28 1998-09-08 Illinois Tool Works Inc. Method and apparatus for wrapping and securing stretch film about a load
US6453643B1 (en) * 1997-12-10 2002-09-24 Pieri S.R.L. Method and apparatus for the fastening of the tail of wrappings of stretchable film for palletized loads

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8099935B2 (en) 2007-03-16 2012-01-24 Atlanta Stretch S.P.A. Method and apparatus for fixing the tail end of the film for wrapping palletized loads
US20140215968A1 (en) * 2008-05-28 2014-08-07 Lantech.Com, Llc Film Clamp And Related Methods And Apparatuses For Wrapping Loads
US9290285B2 (en) * 2008-05-28 2016-03-22 Lantech.Com, Llc Film clamp and related methods and apparatuses for wrapping loads
ITMO20120113A1 (it) * 2012-04-27 2013-10-28 Aetna Group Spa Apparato e metodo per fissare un film di avvolgimento
EP2657139A1 (de) * 2012-04-27 2013-10-30 Aetna Group S.p.A. Vorrichtung und Verfahren zum Fixieren einer Einwickelfolie
US20130312366A1 (en) * 2012-05-25 2013-11-28 Tien Heng Machinery Co., Ltd. Film clamping and cutting device of stretch wrapping machine
US8997439B2 (en) * 2012-05-25 2015-04-07 Tien Heng Machinery Co., Ltd. Film clamping and cutting device of stretch wrapping machine
US20220204198A1 (en) * 2012-06-18 2022-06-30 TAB Industries, LLC Exhaust Blower for Orbital Pallet Wrappers
US20150151861A1 (en) * 2012-07-06 2015-06-04 Integrated Packaging Australia Pty Ltd. Pallet wrapping machinery
US9981762B2 (en) * 2012-07-06 2018-05-29 Integrated Packaging Australia Pty. Ltd. Pallet wrapping machinery
US20190152632A1 (en) * 2016-07-07 2019-05-23 Signode Industrial Group Llc Packaging method and stretch hood system
US11097860B2 (en) * 2016-07-07 2021-08-24 Signode Industrial Group Llc Packaging method and stretch hood system
US20180368329A1 (en) * 2017-06-27 2018-12-27 Deere & Company Enveloping device for enveloping a bale with an enveloping material, a baler, and method thereof
US10939619B2 (en) * 2017-06-27 2021-03-09 Deere & Company Enveloping device for enveloping a bale with an enveloping material, a baler, and method thereof
CN111902041A (zh) * 2018-03-23 2020-11-06 腊斯佩系统技术有限公司 用于打结绳线和打捆装置的绳线打结器结构
US11528849B2 (en) * 2018-03-23 2022-12-20 Rasspe Systemtechnik GmbH Twine knotter arrangement for knotting twine and baling device
WO2020092770A1 (en) * 2018-11-01 2020-05-07 Entrotech, Inc. Method and apparatus for application of polymeric film and laminates to surfaces of articles
KR102709160B1 (ko) * 2018-11-01 2024-09-23 피피지 어드밴스드 서피스 테크놀로지스, 엘엘씨 중합체 필름 및 라미네이트를 물품 표면에 도포하는 방법 및 장치
KR20210084486A (ko) * 2018-11-01 2021-07-07 엔트로테크 아이엔씨 중합체 필름 및 라미네이트를 물품 표면에 도포하는 방법 및 장치
CN113272227A (zh) * 2018-11-01 2021-08-17 安特科技有限公司 用于将聚合物膜和层压材料应用于制品表面的方法和设备
WO2020230098A1 (en) * 2019-05-16 2020-11-19 Aetna Group S.P.A. Unwinding apparatus for wrapping machine
IT201900006886A1 (it) * 2019-05-16 2020-11-16 Aetna Group Spa Apparato di svolgimento per macchina avvolgitrice
US12286254B2 (en) 2019-05-16 2025-04-29 Aetna Group S.P.A Unwinding apparatus for wrapping machine
EP3943401A1 (de) * 2020-07-22 2022-01-26 Atlanta Stretch S.p.A. Vorrichtung und verfahren zum automatischen einwickeln eines gegenstandes mit einer folie
IT202000017749A1 (it) * 2020-07-22 2022-01-22 Atlanta Stretch S P A Apparecchiatura e metodo per avvolgere in modo automatico una pellicola attorno ad un oggetto
CN112098216A (zh) * 2020-09-05 2020-12-18 宁波弘宇检测有限公司 一种锚杆的拉拔试验装置及其试验方法
IT202200008216A1 (it) * 2022-04-26 2023-10-26 Pieri Srl Apparato e metodo per avvolgere un film attorno ad un carico palettizzato
US12577012B1 (en) * 2023-09-12 2026-03-17 Amazon Technologies, Inc. Automated stretch wrapping within closely spaced pallets
CN119660035A (zh) * 2024-11-22 2025-03-21 湖南宏工智能科技有限公司 一种全自动缠膜机及其缠膜方法

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EP1426296A1 (de) 2004-06-09
DE60315115D1 (de) 2007-09-06
EP1426296B1 (de) 2007-07-25
ITBO20020755A1 (it) 2004-06-03
ATE367963T1 (de) 2007-08-15

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