EP3008004A1 - Adaptateur de noyau - Google Patents

Adaptateur de noyau

Info

Publication number
EP3008004A1
EP3008004A1 EP14810853.3A EP14810853A EP3008004A1 EP 3008004 A1 EP3008004 A1 EP 3008004A1 EP 14810853 A EP14810853 A EP 14810853A EP 3008004 A1 EP3008004 A1 EP 3008004A1
Authority
EP
European Patent Office
Prior art keywords
adapter
core
adapter part
bore
roll
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Withdrawn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
EP14810853.3A
Other languages
German (de)
English (en)
Other versions
EP3008004A4 (fr
Inventor
Michael Benger
Maike PALLASVIRTA
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.)
Corex Finland Oy
Original Assignee
Corenso United Oy Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Corenso United Oy Ltd filed Critical Corenso United Oy Ltd
Publication of EP3008004A1 publication Critical patent/EP3008004A1/fr
Publication of EP3008004A4 publication Critical patent/EP3008004A4/fr
Withdrawn legal-status Critical Current

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
    • 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
    • B65H75/18—Constructional details
    • B65H75/185—End caps, plugs or adapters

Definitions

  • the present invention concerns size reduction of a central bore of a roll.
  • the roll may be a paper roll or similar sheet products supplied in large rolls.
  • Such a roll comprises an inner core upon which web material such as paper, film and the like are wound .
  • the invention concerns an adapter for making possible larger diameter cores to be mounted on winding machines and other machines having smaller diameter spindles or chucks.
  • the invention concerns an adapter for application inside the core by which adapter the inside diameter of the roll is reduced.
  • Long cylindrical cores made of plastic or spirally wound paperboard are commonly used to wind large quantities of web material such as, for example, paper or film into rolls for storage and transport.
  • Some cores have an inner diameter that is larger than those of other cores.
  • Common such inner diameter is 150 mm, which correspond to six inches, and 76 mm, corresponding to 3 inches. It is desirable to mount rolls with cores of both large and small inner diameter on existing winding machines.
  • One such machine is double drum winders that have spindles or chucks configured to accept cores with smaller inner diameter only. It is thus known to install core adapters that have central bores that can be mounted on the smaller inner diameter spindles or core chucks of winding or other machine.
  • Traditional core adapters take many forms such as, for instance, leaf adapters with leafs that can expand to lock the adapter in the end of the core, rubber air or pneumatic adapters that are inserted in the core ends and inflated to lock them in place, and others.
  • Core adapters made of wound paper in the form of one or multiple concentrically arranged components are also known.
  • Several known devices and methods are used in the industry to adapt the inside diameter to a usable size. However, most of these known methods and devices have drawbacks and are limited in scope.
  • the adapter includes an outer tube and an inner tube with the annulus filled with a polymer based adhesive such as a thermoplastic adhesive material that becomes solid at normal environmental temperatures or a thermosetting resin.
  • a polymer based adhesive such as a thermoplastic adhesive material that becomes solid at normal environmental temperatures or a thermosetting resin.
  • the outer tube is perforated and the inner tube is counter-drilled . This arrangement of holes and counter-drills allows the adhesive to enter and form sections that increase the strength of the device.
  • US 2012/0111990 Korean et al
  • the object of the adapter is to ensure a precisely centered smaller central opening and ensure precise concentricity of the smaller opening of the adapter with the larger opening of the core.
  • the adapter is made of wound paper and includes a generally
  • cylindrical or annular body having walls that surround a central bore sized to receive a spindle or chuck.
  • the body has an outer diameter sized to fit into the end of a core having a larger inner diameter and the central bore is sized to receive a spindle or chuck having a smaller inner diameter.
  • An axially extending discontinuity in the form of a slit is formed and extends completely along the length of the body and also extends completely through the wall of the body from the central bore to the outer surface of the body.
  • a series of attachment holes is drilled either at an angle through the end of the adapter or through the walls of the core at its ends. Attachment holes also need not be drilled.
  • the adapter is slid into the ends of a core and attached with screws or other fasteners.
  • screws may be inserted through the attachment holes and treaded into the core.
  • attachment holes formed in the core screws may be inserted through the attachment holes and threaded into the body of the adapter. When no attachment holes are present, screws may simply be threaded through the core and into the adapter or vice versa. In either case, the screws preferably are installed in a
  • the adapter When all the screws are installed, the adapter is lodged tightly in the end of the core, the slit is widened from its normal or rest width, and the central bore of the core adapter is precisely centered within the core.
  • a primary object of the present invention is to seek ways to improve the mounting of a roll on a spindle, where the inner diameter of the roll core is larger than the outer diameter of the spind le.
  • the adapter comprises two interacting cylindrical parts.
  • the two parts are coaxially arranged inside the core of the roll.
  • a first adapter part comprises a central body having a cylindrical inner surface and an outer conical surface forming a wedge- shaped cross section. The inner surface is defining a bore arranged to fit the spind le on which the roll is to be mounted .
  • a second adapter part comprises a coaxial outer body having an outer cylindrical surface and an inner conical surface forming a wedge-shaped long itud inal cross section. The outer cylindrical surface is arranged to fit the inner surface of the core.
  • the inner surface of the second adapter part is arranged to fit and interact with the wedge-shaped outer surface of the first adapter part.
  • the first and second adapter parts thus have a common conical surface.
  • the two wedge-shaped surfaces When pressed against each other inside the core the two wedge-shaped surfaces interact in a concentric manner. Further pressing makes the outer adapter part expand and thus interlock firmly with the inside of the core. When in position the inner diameter of the core is replaced by the adapter bore.
  • the adapter parts When in position the inner diameter of the core is replaced by the adapter bore.
  • the adapter parts have the same length as the core.
  • the common conical surface extend along the whole length of the adapter.
  • a tool is used to press the two adapter parts together. The tool
  • the gripping means comprises two gable plates.
  • the two gripping elements are narrowing each other and pressing the two adapter parts to interact. There is no need for any hydraulic equipment, compressed air or external presses.
  • two adapters are used one at each end of the core.
  • the two adapter parts and the tool are loosely assembled before being stuck into one end of the core.
  • the inner gripping means of the tool is replaced by an umbrella construction having a plurality of hocks or claws grabbing the inner side of the first adapter part.
  • an adapter for reducing the inner diameter of a core of a roll comprising a first part and a second part arranged coaxially inside the core.
  • the first adapter part comprises an inner bore for receiving a spindle of a machine.
  • the second part comprises an outer cylindrical surface for fitting on the inside of the core.
  • the first and second adapter part comprises a common conical surface along which the first and second adapter part is guided when pressed against each other.
  • the bore comprises a diameter of 76 mm.
  • the outer surface of the second adapter part comprises 150 mm.
  • the common surface comprises a stepped shape.
  • the objects are achieved by a method for reducing the inner diameter of a core of a roll using an adapter having a first adapter part and a second adapter part, wherein the first adapter part is formed to comprise an inner bore for receiving a spindle of a machine, the second part is formed to comprise an outer cylindrical surface for fitting on the inside of the core, the first and second adapter part are inserted from opposite sides into the core, and the first and second adapter part are axially pressed against each other guided by a common conical surface such that the second adapter part expands and make a firm joint with the core.
  • the pressing step is achieved by using a tool comprising a first gable plate abutting the first adapter part, a second gable plate abutting the second adapter part, and a threaded rod by which rotation the first and second adapter parts are pressed against each other.
  • the surfaces are covered with glue.
  • Fig 1 is a plan and a cross section of an adapter according to the invention
  • Fig 2 is a cross section of an adapter being mounted with a hand operated tool
  • Fig 3 is a cross section of adapter being mounted at one end of a core.
  • the adapter comprises a first part 1 and second part 2 coaxially arranged in a cylindrical core 3 of a roll .
  • the first part 1 has an inner cylindrical bore 4 defined by an inner cylind rical surface 5 and an outer conical surface 6.
  • the second part has an outer cylindrical surface 7 and an inner conical surface 8.
  • the inner cylindrical bore 4 defined by the inner cylind rical surface 5 is arranged to receive a not shown spindle of a machine to which the roll is to be mounted .
  • the outer cylind rical surface 7 of the second adapter part is adapted to interlock with the inner surface of the core 3.
  • the outer conical surface 6 of the first adapter part and the inner conical surface 8 of the second adapter part are aligned with each other along a common conical surface.
  • the first and second adapter part form two interacting symmetrical wedges.
  • the wedge forces will make the second adapter part expanding and thus making a firm joint with the core.
  • the second adapter part is made of an elastic or plastic material.
  • the material comprises a board material.
  • the material is wound paper.
  • the material includes cellulose or wood pulp.
  • the first and second adapter part When applying the adapter to a core the first and second adapter part is inserted into the inside of the core from opposite sides. As the parts are pressed together the central bore of the first adapter part will be aligned coaxial with the core axle.
  • two adapters are mounted one at each end of a core.
  • the adapter is dispersible and may thus be reused.
  • glue is used between the surfaces thus working as a lubricant when mounting and making an indispensible adapter when the glue has cured. In any case the adapter is recyclable.
  • any of the two adapter parts may be inserted first into to core.
  • the first adapter part is inserted into the core.
  • a tool comprising a threaded rod 9 and first 10 and second 11 gripping means is inserted through the bore of the core.
  • the gripping means comprise gable plates.
  • the second adapter part is then inserted from the opposite side.
  • the tool plates are preferably circular and in the embodiment shown the first plate somewhat bigger than the second plate.
  • the two plates may however have the same size.
  • the size of the plates should be the same as the core in order to abut the core. However the plates should not be greater than the core in order to not damage the paper wound on the core.
  • the tool is remover after assembly.
  • the adapter parts and the tool may be loosely assembled in advance.
  • the second gripping means 11 comprises in this embodiment a plurality of hooks including claws 12 on moveable links 13 and a joint 14 hold ing the links.
  • the assembled adapter parts are stuck into the core.
  • the first gable plate 10 rests on the second adapter part 2 and on the core 3.
  • the claws 12 of the tool are resiliently forced to grab onto the inner part of the first adapter part. By turning the threaded rod the claws will put the first adapter part into the second adapter part. Since the two adapter parts have a common conical surface they will approach each other in concentric manner. Thus when fully assembled the adapter will replace the core d iameter by the bore 4.
  • Reel weight and core length will vary from case to case.
  • the core length may vary from 20 cm to 3 m.
  • Web speed of printing presses may be up to 17 m/s.
  • the adapter may be used with cores and spind les of d ifferent diameters.
  • the bore may be 45 mm in a core of 100 mm diameter.
  • the bore may be 125 mm in a core of 200 mm diameter.
  • the bore may vary between 40 to 125 mm and the wall thickness may vary between 25 to 40 mm.
  • the length of the adapter should be adjusted according to the chuck length. Commonly used chucks in the market have a length between 100 mm and 280 mm.
  • a plurality of adapters may be arranged inside the core.
  • the common conical surface of the two adapter parts may be arranged in steps or in a prog ressive shape.
  • the tool may comprise any mechanical device capable of pulling the gripping means together.
  • the tool may comprise a lever construction.
  • the second gripping means may comprise any construction capable of being folded together and drawn back through the bore.

Landscapes

  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Winding Of Webs (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

L'invention concerne un adaptateur conçu pour réduire le diamètre interne d'un noyau (3) d'un rouleau et comprenant une première partie (1) et une seconde partie (2) disposées de manière coaxiale à l'intérieur du noyau. La première partie de l'adaptateur comprend un alésage interne (4) pour recevoir une broche d'une machine, la seconde partie comprend une surface cylindrique extérieure (7) conçue pour s'adapter sur l'intérieur du noyau, et la première et la seconde partie de l'adaptateur comprennent une surface conique commune (6, 8) le long de laquelle la première et la seconde partie de l'adaptateur sont guidées lorsqu'elles sont appuyées l'une contre l'autre.
EP14810853.3A 2013-06-12 2014-06-05 Adaptateur de noyau Withdrawn EP3008004A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1350719A SE537734C2 (sv) 2013-06-12 2013-06-12 Hylsadapter
PCT/IB2014/061979 WO2014199265A1 (fr) 2013-06-12 2014-06-05 Adaptateur de noyau

Publications (2)

Publication Number Publication Date
EP3008004A1 true EP3008004A1 (fr) 2016-04-20
EP3008004A4 EP3008004A4 (fr) 2017-02-22

Family

ID=52021713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14810853.3A Withdrawn EP3008004A4 (fr) 2013-06-12 2014-06-05 Adaptateur de noyau

Country Status (5)

Country Link
EP (1) EP3008004A4 (fr)
CN (1) CN105283397B (fr)
RU (1) RU2015153300A (fr)
SE (1) SE537734C2 (fr)
WO (1) WO2014199265A1 (fr)

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2364953A (en) * 1942-07-23 1944-12-12 Int Paper Canada Core cap
GB952433A (en) * 1962-11-23 1964-03-18 Joenkoeping Vulcan Ab Wooden plugs for inserting in the ends of tubes
GB1402250A (en) * 1971-05-19 1975-08-06 Hill J A Coupling members for spools reels or the like
US4117988A (en) * 1976-04-21 1978-10-03 Bedford Industries, Inc. Reel adapter for tie material and method of using the same
US4079896A (en) * 1976-11-18 1978-03-21 The Appleton Machine Company Expandable chuck for winding web material on a core
US4248392A (en) * 1979-12-18 1981-02-03 Parry John C Apparatus for application of plastics stretch films
US4516892A (en) * 1983-05-02 1985-05-14 Loroco Industries, Inc. Protector for the core and adjacent edges and face portions of a coil of material
US4659031A (en) * 1984-01-23 1987-04-21 E & A Enterprises Inserts and cooperating retaining means for use with web dispensing means
JPH0527698Y2 (fr) * 1986-03-10 1993-07-15
US5133566A (en) * 1991-12-06 1992-07-28 Baker Douglas F Collet activated spindle work stop
US6123285A (en) * 1996-09-23 2000-09-26 R. R. Donnelley & Sons Company Expandable fiber core insert
US6027069A (en) * 1998-03-09 2000-02-22 Huang; Harrison Plastic membrane dispenser
DE10125761B4 (de) * 2001-05-17 2007-06-06 Espera-Werke Gmbh Vorrichtung zur Aufnahme einer einen aufgewickelten Bandstreifen aufweisenden Vorratsrolle, insbesondere einer Etikettenvorratsrolle und Vorrichtung zum Bedrucken eines Bandstreifens oder von auf einem Bandstreifen haftenden Etiketten
DE50307515D1 (de) * 2003-05-23 2007-08-02 Eha Spezialmaschb Gmbh Welle, insbesondere Wickelwelle, mit speziellen Endhalterungen
US20060196990A1 (en) 2005-03-03 2006-09-07 Wallace Marcus T Paper roll core adapter
JP4605779B2 (ja) * 2005-07-15 2011-01-05 Ｎｅｃトーキン株式会社 巻軸
WO2008089844A1 (fr) * 2007-01-24 2008-07-31 Metso Paper, Inc. Rouleau, en particulier de papier, carton, tissu ou machine d'apprêt et son procédé de fabrication
JP2011042501A (ja) * 2009-07-23 2011-03-03 Fujifilm Corp シートロールの製造方法及びシートの巻取り軸
US9004390B2 (en) * 2010-08-03 2015-04-14 Ricoh Company, Ltd. Roll medium holding unit, roll sheet feeder, and image forming apparatus
EP2635514B1 (fr) * 2010-11-05 2016-11-30 Sonoco Development, Inc. Adaptateur de partie centrale à centrage automatique et procédé

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014199265A1 *

Also Published As

Publication number Publication date
CN105283397A (zh) 2016-01-27
RU2015153300A3 (fr) 2018-04-27
WO2014199265A1 (fr) 2014-12-18
SE1350719A1 (sv) 2014-12-13
CN105283397B (zh) 2018-01-02
EP3008004A4 (fr) 2017-02-22
SE537734C2 (sv) 2015-10-06
RU2015153300A (ru) 2017-07-17

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