EP0759871B1 - A method of fashioning a protective structure around reels utilizing plastic film, and the resulting protective structure - Google Patents

A method of fashioning a protective structure around reels utilizing plastic film, and the resulting protective structure Download PDF

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Publication number
EP0759871B1
EP0759871B1 EP96904259A EP96904259A EP0759871B1 EP 0759871 B1 EP0759871 B1 EP 0759871B1 EP 96904259 A EP96904259 A EP 96904259A EP 96904259 A EP96904259 A EP 96904259A EP 0759871 B1 EP0759871 B1 EP 0759871B1
Authority
EP
European Patent Office
Prior art keywords
reel
staves
axis
film
revolutions
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.)
Expired - Lifetime
Application number
EP96904259A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0759871A1 (en
Inventor
Vitaliano Russo
Mauro Cere'
Giovanni Gemmani
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.)
Robopac Sistemi SRL
Original Assignee
Robopac Sistemi SRL
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Filing date
Publication date
Application filed by Robopac Sistemi SRL filed Critical Robopac Sistemi SRL
Publication of EP0759871A1 publication Critical patent/EP0759871A1/en
Application granted granted Critical
Publication of EP0759871B1 publication Critical patent/EP0759871B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/64—Winding of balls
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/02—Containers, packaging elements or packages, specially adapted for particular articles or materials for annular articles
    • B65D85/04—Containers, packaging elements or packages, specially adapted for particular articles or materials for annular articles for coils of wire, rope or hose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/14—Kinds or types of circular or polygonal cross-section with two end flanges
    • B65H75/141—Kinds or types of circular or polygonal cross-section with two end flanges covers therefor

Definitions

  • the present invention relates to a method of fashioning a protective structure around reels, in particular for cable, strands, rope and the like, utilizing plastic film.
  • Reels of the type in question provide a support composed generally of a wooden drum onto which the cable is coiled, and a pair of flanges, likewise in wood, affording lateral restraint.
  • Such reels are stored in the open, arranged one alongside another with axes horizontally disposed: in this situation there is the risk that the flanges of one reel can strike against and damage the cable coiled onto other reels lying adjacent.
  • the flanges of each reel are joined one to another typically by means of timber staves secured in a variety of ways to the flanges and disposed parallel to the axis of the reel.
  • the staves preferably are spaced apart slightly one from another so that the reel will remain ventilated and rainwater can drain off, thereby avoiding any accumulation of dampness and condensation within the enclosure.
  • WO-A-92/17371 it is disclosed a bale, an apparatus and a method for wrapping bales with strips of plastic packaging film in overlapping helical turns.
  • a bale is rotated about a generally horizontal and vertical axis.
  • the film is taken from a film magazine spaced from the bale and wrapped around the bale in successive turns while maintaining the film under tension.
  • the film in each turn of film around the bale extends generally parallel with and transversely to the horizontal axis.
  • EP-A-0 463 259 a method and apparatus for packing amassed goods with airing.
  • a stretched film is wound round in a state of tension on amassed goods for packing the same.
  • the film is split in the width direction and in parallel into a large number of narrow-width tapes, while it is stretched, in a process of winding the film around the goods and thereby diagonal spaces are formed naturally on a desired circumference of the amassed goods, so as to produce an airing effect on the amassed goods.
  • the object of the present invention is to disclose a method of fashioning a protective structure around a reel lying with its axis horizontally disposed, according to claim 1.
  • the staves can be laid parallel with or skew in relation to the axis of the reel, and even overlaid at dissimilar angles.
  • the concept of parallel staves is therefore superseded and it becomes possible to create a protective structure in the form of a lattice, which affords advantages from the standpoint of mechanical strength.
  • the method disclosed also affords the possibility, where appropriate, of fashioning staves that comprise more than one layer of the corded film; again, by controlling the relative motion generated between the reel and the roll of film, the distance between the staves can be varied according to the type of protective structure required.
  • Another facility afforded by the method according to the present invention is that of overwrapping the staves with the same continuous film, decoiled either from the same roll or from an auxiliary roll, in such a way that the protective structure is tensioned further and rendered more resistant still to shock and impact.
  • the method disclosed is applicable principally to reels 3 delimited peripherally by a virtual surface of revolution 8 compassed between two flanges 9 furnished near to their common axis 3a with coupling elements 4 from which the reel as a whole can be lifted or rotated, also with means of identification 5.
  • the reel 3 further comprises a drum, naturally of smaller diameter than the two flanges 9, around which the cable or other material will be coiled to a diameter no greater than that of the flanges.
  • a plastic film 2 preferably extendible and prestretched, decoiled from a supply roll 6 of which the axis 6a is disposed horizontally and parallel to the axis 3a of the reel 3.
  • a first step consists in laying the cord 7 across the surface of revolution 8 and over the flanges 9 of the reel 3, in such a way as to describe a first quadrilateral loop 15 completed with one full turn that corresponds to a rotation of the reel 3 or of the roll 6 through 360°, either one in relation to the other, about a vertical axis (see figs 8a - d and 9).
  • Two sides of the first quadrilateral loop 15 coincide with generators of the surface of revolution 8 in such a way as to function as staves 11, consisting in lengths of film 2 tensioned between the flanges 9 (see figs 8b and 8d).
  • the first loop 15 may be overlaid with further loops to the end of securing the cord 7 of film 2 to the reel 3, whereupon the reel 3 will be set in rotation (e.g. slowly) about its own axis 3a, continuously or intermittently, and enveloped thus in a succession of helical turns 10 (see fig 1) to the point where the virtual surface of revolution 8 of the reel 3 is covered in its entirety with a succession of staves 11 (see fig 2).
  • the relative rotation of the reel 3 and the roll 6 about a vertical axis can be produced, as indicated in fig 1, by means of a turntable 23 rotatable about a vertical axis and equipped with a pair of horizontally disposed and parallel cylindrical rollers 16, by which the reel 3 is supported resting on its flanges 9. At least one of the rollers 16 is power driven and capable thus of setting the supported reel 3 in rotation about its axis 3a.
  • the roll 6 on the other hand can be supported by a respective carriage 17 which will also support means of conventional embodiment by which to tension the film 2, for example comprising power driven cylindrical rollers 18 set in rotation at an angular velocity different to that of the turntable 23 but correlated thereto in such a way, applying familiar techniques, that the film 2 is made to decoil from the roll 6 principally as a result of the pulling force generated by the rotating reel 3.
  • a respective carriage 17 which will also support means of conventional embodiment by which to tension the film 2, for example comprising power driven cylindrical rollers 18 set in rotation at an angular velocity different to that of the turntable 23 but correlated thereto in such a way, applying familiar techniques, that the film 2 is made to decoil from the roll 6 principally as a result of the pulling force generated by the rotating reel 3.
  • the relative rotation of the reel 3 and the roll 6 about a vertical axis can be brought about by causing the roll 6 to orbit around the reel 3, as indicated in fig 6.
  • the reel again rests on two rollers 16 of which at least one is power driven, though in this instance these can be mounted to a fixed frame (not indicated).
  • the roll 6 is supported by a carriage 17 together with a set of power driven tensioning rollers 18 that will be operated applying the same relative velocities criteria as described above with reference to fig 1.
  • the roll 6 is positioned with its axis 6a horizontally disposed, and the web of film 2 passing from the tensioning rollers to the reel occupies a horizontal plane.
  • the speed at which the reel 3 rotates on its own axis 3a can be varied by regulating the angular velocity of the power driven roller 16.
  • the staves 11 can also be laid skew, inclined at a greater or lesser angle in relation to the generators of the surface of revolution 8: the slower the speed of rotation, the nearer the staves 11 will tend to run parallel to the generators.
  • This same speed of continuous rotation also determines the distance, or pitch, at which the staves 11 are spaced apart: the faster the speed, the greater the distance.
  • the expedient of laying the staves 11 skew is advantageous in the context of another particular step of the method disclosed, whereby with the reel 3 enveloped in a first set of staves, further protection can be afforded by laying a second set of staves 11a over the first, likewise disposed skew in relation to the generators of the surface of revolutions 8. More exactly, the second staves 11a are laid over the first staves 11 such that the two combine to create a lattice arrangement, as illustrated in fig 7, by which the resulting protective structure 1 is invested with notable mechanical strength.
  • the height of the roll 6 might be varied by a given amount with each rotation of or orbit around the reel 3, during the application of the second set of staves.
  • This can be achieved by adopting an arrangement as indicated in fig 7, where the relative carriage 17 is shown supported by and capable of movement along vertical guides 19.
  • the reel 3 could be driven in rotation about its axis 3a at a given selected speed, though turning in opposite directions during the application respectively of the first and of the second set of staves. This particular solution is not illustrated since it requires only that the rotation of the power driven roller 16 should be reversible.
  • Yet another effect obtainable according to the present invention is that of fashioning staves 11b formed from a plurality of single staves 11 laid one over another (shown schematically in fig 10).
  • the "multi-ply" staves 11b produced in this way are decidedly more rigid and mechanically stronger than the "single-ply" type.
  • This step of the method disclosed can be implemented by suspending the rotational movement of the reel 3 around its own axis 3a for an interval long enough to accumulate the requisite number of overlaid turns 10, while maintaining the rotation of the reel 3 or the roll 6 about a vertical axis. Once the interval has elapsed, the reel 3 will be indexed about its own axis 3a through a step "p" corresponding to the selected angular distance between centres of the multi-ply staves 11 with which the entire surface of revolutions 8 will ultimately be covered.
  • the method disclosed allows for the additional step of overwrapping the reel 3 by binding the surface of revolutions 8 with continuous film 2 laid flat as illustrated in fig 4.
  • This further step is implemented after the operations described thus far have been completed (one or two sets of staves) and having suspended the rotational movement of the reel 3 or the roll 6 about the vertical axis at a moment when the reel 3 and the roll 6 are disposed with axes parallel and the cord 7 is substantially in alignment with one of the two flanges 9; thereupon, the reel 3 is set in rotation about the one axis 3a while causing the roll 6 to translate along the other axis 6a.
  • the overwrapping step might be implemented employing a second plastic film 2, decoiled from a respective roll (not illustrated) disposed parallel to the roll 6 utilized in fashioning the staves.
  • the method disclosed allows the use of a single roll 6, as already intimated and as illustrated in the drawings, by virtue of the fact that it provides also for an intermediate step between the completion of the staves and commencement of the overwrap, in which the roll 6 is moved axially from a configuration of alignment with one flange 9 to a configuration of alignment with the opposite flange 9 while the reel 3 rotates on its axis 3a (see figs 3 and 4).
  • the film 2 is caused to describe a wide coil 20 around the surface of revolutions 8 (see fig 4), spreading transversely by degrees to the point of perfectly flat by the time the axial travel of the roll 6 is completed.
  • the web of film 2 will be transferred in a plane tangential to the surface of revolutions 8 and made to envelop the staves 11 by generating a plurality of tighter coils 21 disposed coaxially with the surface of revolutions 8 and covering the full length of the staves 11.
  • the roll 6 might be traversed just once along its axis 6a or perhaps more than once in one direction then in the other, applying a layer of film 2 with each successive pass, according to requirements.
  • the traversing movement of the roll 6 along its own axis 6a can be interrupted momentarily when in alignment with the flanges 9 in such a way as to cover the outermost annular edge of each flange 9 as illustrated in fig 5.
  • the aforementioned coil 20 is readily obtained thanks to the high coefficient of friction existing between the film 2 and the staves underneath and to the fact that the effect produced by the axial movement of the roll 6, when distanced from the flange 9 with which the cord 7 lies substantially in alignment following the formation of the staves, is to favour the pulling action applied to the film 2 by the reel 3 as it rotates about its own axis 3a.
  • Yet another facility afforded by the method according to the invention is that, once enveloped in the full protective structure 1 formed with staves, the reel 3 can be overwrapped with the film 2, not in this instance spread flat but rather still bunched into a cord 7. In this way it becomes possible to generate a lattice structure composed of the overwrapping coils 21 and the staves 11 beneath.
  • the step in question will require the inclusion of means (not illustrated) by which to gather the film 2 into a cord 7.
  • the staves might be created equally well with the roll 6 disposed upright and the film 2 gathered in the transverse direction by suitable means (not illustrated) to the end of preparing the cord 7 before the operation of enveloping the reel 3 is effectively commenced. If in this instance, i.e. with the axis 6a of the roll 6 vertically disposed, it is wished to overwrap the staves with a cord 7, then there will be no need to make use of means by which to gather the film 2 during the operation inasmuch as the process occurs automatically when the film enters into contact with the reel 3, as already intimated with reference to the example of figs 8a-10.
  • the protective structure 1 produced by the method disclosed will appear as a plurality of turns 10 fashioned from a stout cord 7 of film 2 arranged in such a way as to envelop essential portions of a reel 3, namely the virtual surface of revolution 8 and the outermost annular areas of the flanges 9.
  • the turns 10 are generated as quadrilateral loops of which two sides are fashioned into staves 11 drawn taut between the flanges 9.
  • the structure thus created can be completed by overwrapping the staves with the selfsame film 2, applied with no break in continuity and without altering the directional aspect of the roll 6, so that the one roll furnishes the film from which the entire structure 1 is generated.
  • the completed protective structure 1 does not cover the central area 22 of either flange 9, so that the coupling elements 4 utilized for supporting and driving or rotating the reel 3 are accessible from the exterior and the identification labels 5 affixed to the reel 3 remain exposed to view.
  • the resulting protective structure 1 is such that any evidence of tampering or damage can readily be observed, allowing persons with responsibility to carry out checks and apply prescribed remedies without delay.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Burglar Alarm Systems (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
EP96904259A 1995-03-02 1996-02-29 A method of fashioning a protective structure around reels utilizing plastic film, and the resulting protective structure Expired - Lifetime EP0759871B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT95BO000077A IT1280384B1 (it) 1995-03-02 1995-03-02 Procedimento per la realizzazione di una struttura di protezione in film di materiale plastico su bobine e struttura di protezione
ITBO950077 1995-03-02
PCT/IT1996/000037 WO1996026863A1 (en) 1995-03-02 1996-02-29 A method of fashioning a protective structure around reels utilizing plastic film, and the resulting protective structure

Publications (2)

Publication Number Publication Date
EP0759871A1 EP0759871A1 (en) 1997-03-05
EP0759871B1 true EP0759871B1 (en) 1999-05-19

Family

ID=11340338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96904259A Expired - Lifetime EP0759871B1 (en) 1995-03-02 1996-02-29 A method of fashioning a protective structure around reels utilizing plastic film, and the resulting protective structure

Country Status (6)

Country Link
EP (1) EP0759871B1 (it)
AT (1) ATE180232T1 (it)
CA (1) CA2188883A1 (it)
DE (1) DE69602501D1 (it)
IT (1) IT1280384B1 (it)
WO (1) WO1996026863A1 (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700051185A1 (it) * 2017-05-11 2018-11-11 Fasb Linea 2 S R L Modulo di supporto per supportare almeno una bobina anulare di nastro, gruppo di supporto comprendente detto modulo e kit per la movimentazione di almeno una bobina anulare di nastro

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20120009A1 (it) * 2012-01-04 2013-07-05 F B Balzanelli Avvolgitori S P A Procedimento e apparecchiatura per l'avvolgimento di tubi in bobina e per il confezionamento della bobina formata
CN103448939A (zh) * 2013-09-03 2013-12-18 张家港市胜达钢绳有限公司 一种工字轮包装装置
CN103448937A (zh) * 2013-09-03 2013-12-18 张家港市胜达钢绳有限公司 工字轮包装装置
CN103448938A (zh) * 2013-09-03 2013-12-18 张家港市胜达钢绳有限公司 可移动工字轮包装装置
CN104494971A (zh) * 2014-12-19 2015-04-08 无锡市士民机械设备厂 成圈包膜一体机的转盘驱动装置
CN104464972A (zh) * 2014-12-19 2015-03-25 无锡市士民机械设备厂 成圈包膜一体机的安装块机构
CN105800380B (zh) * 2016-04-15 2023-03-03 安徽富悦达电子有限公司 一种导线打包机
CN107215497B (zh) * 2017-06-05 2019-07-23 骏日科技(深圳)有限公司 一种电线圈覆膜整机
IT201900017255A1 (it) * 2019-09-25 2021-03-25 O B L S R L Un macchinario e relativo metodo per il confezionamento di bobine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992017371A1 (en) * 1991-04-08 1992-10-15 Soederberg Staffan A bale, an apparatus and a method for the wrapping of a bale in two crossing wrapping layers applied in overlapping helical turns

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8615880D0 (en) * 1986-06-28 1986-08-06 Fitzell R Drive mechanisms & bale wrapping apparatus
JPH04128106A (ja) * 1990-06-25 1992-04-28 Tsukasa Kasei Kogyo Kk 集積荷物の通気包装方法及び装置
FR2668448B1 (fr) * 1990-10-29 1994-10-21 Patrick Gennesson Procede de palettisation et le dispositif de mise en óoeuvre.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992017371A1 (en) * 1991-04-08 1992-10-15 Soederberg Staffan A bale, an apparatus and a method for the wrapping of a bale in two crossing wrapping layers applied in overlapping helical turns

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700051185A1 (it) * 2017-05-11 2018-11-11 Fasb Linea 2 S R L Modulo di supporto per supportare almeno una bobina anulare di nastro, gruppo di supporto comprendente detto modulo e kit per la movimentazione di almeno una bobina anulare di nastro
EP3401234A1 (en) * 2017-05-11 2018-11-14 Fasb Linea 2 S.r.l. Supporting module for supporting at least an annular reel of a band, support group comprising said module and kit for moving at least one annular reel of a band

Also Published As

Publication number Publication date
EP0759871A1 (en) 1997-03-05
ITBO950077A0 (it) 1995-03-02
ITBO950077A1 (it) 1996-09-02
CA2188883A1 (en) 1996-09-06
IT1280384B1 (it) 1998-01-20
DE69602501D1 (de) 1999-06-24
WO1996026863A1 (en) 1996-09-06
ATE180232T1 (de) 1999-06-15

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