EP0350133A2 - Dispositif pour couper une bande - Google Patents

Dispositif pour couper une bande Download PDF

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Publication number
EP0350133A2
EP0350133A2 EP89201784A EP89201784A EP0350133A2 EP 0350133 A2 EP0350133 A2 EP 0350133A2 EP 89201784 A EP89201784 A EP 89201784A EP 89201784 A EP89201784 A EP 89201784A EP 0350133 A2 EP0350133 A2 EP 0350133A2
Authority
EP
European Patent Office
Prior art keywords
tape
reel spool
reel
spool
adherent material
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Withdrawn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
EP89201784A
Other languages
German (de)
English (en)
Other versions
EP0350133A3 (fr
Inventor
Kari Taipale
Timo Ojala
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.)
Tampella Oy AB
Original Assignee
Tampella Oy AB
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 Tampella Oy AB filed Critical Tampella Oy AB
Publication of EP0350133A2 publication Critical patent/EP0350133A2/fr
Publication of EP0350133A3 publication Critical patent/EP0350133A3/fr
Withdrawn legal-status Critical Current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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • 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
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B65H19/262—Cutting-off the web running to the wound web roll using a thin or filamentary material which is wound on the new roll
    • 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
    • B65H2408/236—Pope-winders with first winding on an arc of circle and secondary winding along rails

Definitions

  • the present invention relates to a device for severing a web, the device comprising a tape, means for feeding the tape to a space between a reel spool and a reel drum, as well as means for attaching the tape onto the surface of the reel spool and for severing the web with the help of the tape wound in a spiral-like fashion along the width of the reel spool and for winding the free end of the web following the severing point together with the tape around the reel spool.
  • a continuous web formed in a paper or cardboard machine is reeled at the end of the machine around a reel spool.
  • a new reeling operation of the web around a new reel spool must be started without interrupting the run. In this situation the web must be severed in a con­trollable manner and it is to be led onto a new, empty reel spool.
  • the envelope transfer is commonly used, being suitable on all grades, but it results as a rule in a great amount of refuse on the core and it can also cause harmful impacts on the reeling machine.
  • Another method is the so-called gooseneck transfer, where the above-mentioned problems are not present, but it is suitable only for thin grades.
  • the tape transfer is a third method and a device suitable for accomplishing the transfer is the object of the present invention.
  • the severing of the web and leading of the web onto a new reel spool is commonly carried out using a tape, which is introduced to a nip located between the reel spool and the reel drum near the ends thereof, where­after the tape in course of its winding in a spiral-­like fashion along the width of the reel spool simul­taneously severs the web obliquely and guides the new end of the web following the severing point around the reel spool.
  • the purpose of the invention is to obviate the draw­backs, which are due to the aforementioned technique, and to provide a device by means of which the transfer of the web can be carried out automatically, control­lably and without any methods soiling the spools and the paper.
  • the device in accordance with the invention is mainly characterised in that the means for attaching the tape onto the surface of the reel spool comprise areas on the reel spool and on the tape consisting of adherent material engageable with each other mechanically.
  • the above-­mentioned feature makes it possible for the end of the tape to become fastened on the reel spool without any adhesive, but the attachment is as firm and fast as when using an adhesive.
  • a tape consisting of hooks and a tape consisting of loops can be used as the adherent materials, which are distributed on the market by 3M under a trade name "Scotchmate", the former under No. 3526 and the latter under No. 3527.
  • the surface of the reel spool is coated with a zone of adherent material extending in the direction of the periphery of the spool.
  • the surface of the adherent material of the reel spool is approximately at the same level with the rest of the envelope surface of the reel spool.
  • the envelope surface of the spool can comprise a groove, onto which the adherent material is fixed.
  • a device working well in the practice is provided, when the adherent material on the tape is material engageable with a surface comprising loose fibres.
  • the surface of the adherent material on the tape may in this case comprise resi­lient thin plastic hooks (e.g. the aforementioned hook tape) and the adherent material on the reel spool is felt-like material comprising fibres (e.g. the aforementioned loop tape).
  • the device shown in the Figures comprises a reel drum 14 rotating on a support 13.
  • a web denoted by refer­ence numeral 12, is wound via this drum to a paper roll 22.
  • a reel spool 15 for a new paper roll.
  • the device includes further a transfer profile 5, to be described later on in more detail, for guiding a tape, which is used for severing the web, between the reel drum 14 and the aforementioned reel spool 15. This space is denoted with reference numeral 16 in Fig. 1.
  • the tape 9 to be fed is denoted with a broken line in Fig. 2.
  • the tape is fed along the transfer profile 5 by means of a feeding mechanism 1, which comprises a feed device 2 metering the tape from a storage roll 17, a brake 3 preventing the free unwinding of the metered tape, and a tape cutter 4, which automatically cuts the tape 9 to a predetermined length after the severing of the web.
  • the transfer profile 5 is situated largely below the web 12 and transversely to its direction of travel. The other end of the transfer profile extends at the ends of the reel drum 14 and the reel spool 15 beyond the edge of the web to the proximity of the space 16 between the reel drum 14 and the reel spool 15.
  • Figs. 5 and 6 show the construction of the tape 9 and the reel spool 15 in more detail.
  • the envelope surface of the reel spool is provided with a area of adherent material by coating the surface of the reel spool 15 with a zone 11 of adherent material extending in the direction of the periphery of the spool.
  • the zone of adherent material is located at the edge of the envelope of the spool and the surface of the adherent material contained in the zone is at the same level as the rest of the envelope surface of the reel spool.
  • the adherent material is arranged in the surface of the reel spool 15 preferably by providing the envelope surface of the spool with a groove extending around the entire periphery of the spool in a direction perpendicular to the axis of rotation of the spool.
  • the groove, to which the adherent material 11 is fixed, is designated with reference numeral 23 in Fig. 6.
  • the end of the tape 9 shown in Fig. 6 comprises an area 10 of adherent material.
  • the area is arranged at the end of the tape by fastening a piece 10 of adherent material of suitable length and width.
  • the width of the adherent material piece 10 may be equal to or smaller than the width of the adherent material zone 11 on the spool 15.
  • the adherent materials 10 and 11 are so selected that they engage with each other mechanically, and these kinds of materials are in use elsewhere. Neither of the engaging surfaces of the adherent materials contains any adhesive which would cause sticking of the tape or the paper web or would bind dust.
  • the adherent materials adhere to each other equally to surfaces which are glued. Further, it is characteristic of the adherent materials that they relatively easily are loosened from each other in a direction perpendicular to their planes when subject to a tensile force, but the forces causing loosening in the direction of their engaging planes, i.e. the forces parallel to the surface of the spool 15 in operation, are many times greater.
  • the surface of the adherent material 10 at the end of the tape 9 is constituted of resilient thin plastic hooks, the surface being capable of adhering to surface compris­ing fibres loose from each other, but on the other hand gliding well on hard surfaces. Consequently, the tape 9 does not tend to adhere other surfaces than those expressly provided with an adherent material.
  • the engaging surface of the adherent material 11 on the spool 15 is constituted typically of a felt-like material containing thin fibres, the material allowing the good engagement of the adherent material 10 of the tape.
  • the device in accordance with the invention acts as follows: During preparations for the severing of the web 12 the tape 9 is fed forward a suitable length by means of the feed mechanism 1 along the transfer profile 5 towards the still open space or nip 16 between the reel drum 14 and the reel spool 15. The end of the transfer profile 5, at which the end of the tape 9 emerges, is situated in the direction of width of the spool 15 at the location of the adherent material zone 11 outside the edge of the web 12. The severing of the web is initiated by lowering the reel spool 15, which earlier has been accelerated to a peripheral speed equal to that of the reel drum 14, to contact with the web 12 on top of the reel drum 14 to a position shown by broken lines in Fig. 1.
  • the devices for accelerating and guiding the reel spool are commonly known and they are therefore not disclosed in more detail herein.
  • the end of the tape 9 comes between the reel spool 15 and the reel drum 14 and the adherent material areas 10 and 11 are engaged with each other.
  • the tape 9 is thereafter wound in the conventional manner around the reel spool 15, is tensioned, becomes detached from the transfer profile 5 starting at its free end, gets taut between the nip 16 and the feed device 2 severing off the web and guiding the end of the web following the severing point to the reel spool 15.
  • the invention makes it possible to feed the end of the tape 9 to a closed nip as well, where the reel spool 15 has the same peripheral speed as the reel drum 14.
  • the adherent material 10 of the tape 9 is also in this case easily engaged with the adherent material 11 of the reel spool 15.
  • Fig. 7 shows an alternative embodiment of the reel spool and the reel drum.
  • the reel drum has a groove 24 extending around the entire periphery of the drum 14 perpendicularly to the axis of rotation of the drum.
  • the bottom of the groove is situated deeper to the rest of the envelope surface of the reel drum.
  • the surface of the adherent material zone 11 of the reel spool 15 is situated elevated to the rest of the envelope surface of the spool 15, is situated opposite to the groove 24 at the edge of the envelope of the spool 15 and also extends around the entire periphery of the spool perpendicularly to the axis of rotation of the spool.
  • This arrangement makes also the complete closing of the nip 16 possible.
  • the transfer profile 5 is a closed elongate housing formed of a body 6 having a groove 20 for feeding the tape 9 in its longitudinal direction and flexible closing strips 8 fixed on the body and covering the groove 20.
  • the groove 20 of the body is properly dimensioned according to the dimensions of the tape -adherent piece -combination.
  • the closing strips are fastened on both sides of the groove and they are in an overlapping relationship.
  • the closing strips are of a resilient material and the enable the emergence of the tape 9 from between the strips as the web is severed off.
  • the closing strips are also intended for protecting the transfer profile against dust.
  • a distribution pipe 7 On both sides of the transfer profile there is a distribution pipe 7 extending parallelly therewith. From the pipes distribution nozzles 21 are inserted at predetermined intervals to the groove 20 of the body, whereby the nozzles are open on the opposite lateral surfaces of the groove and on the bottom of the groove. The air nozzles are directed obliquely with respect to the direction of travel of the tape.
  • air is introduced through the distribution pipes 7 into the groove 20.
  • the air prevents the wall contact of the tape within the groove by forming an air cushion between the surfaces and pushes simultaneuosly the end of the tape to the direction of transfer.
  • the velocity of the air is arranged to be lower than the feeding speed of the tape, e.g.
  • the air velocity may be 10 to 50 m/s as the speed of the tape is 0.1 to 1.0 m/s.
  • the piece 10 of adherent material fastened to the end of the tape forms at the same time a suitable flow resistance to the air and a suitable pressure difference, thus enhancing the feeding of the end of the tape.
  • accessory devices at the end of a papermachine, such as the devices for transferring a full paper roll and the devices for transferring a new reel spool, because they are accessory devices which are independent of the invention.
  • Any devices commonly known in the art may be used as such devices, e.g. devices shown in SE-Patent 447,816.

Landscapes

  • Replacement Of Web Rolls (AREA)
EP19890201784 1988-07-06 1989-07-05 Dispositif pour couper une bande Withdrawn EP0350133A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI883240 1988-07-06
FI883240A FI82017C (fi) 1988-07-06 1988-07-06 Anordning foer avskaerning av bana.

Publications (2)

Publication Number Publication Date
EP0350133A2 true EP0350133A2 (fr) 1990-01-10
EP0350133A3 EP0350133A3 (fr) 1990-12-27

Family

ID=8526787

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890201784 Withdrawn EP0350133A3 (fr) 1988-07-06 1989-07-05 Dispositif pour couper une bande

Country Status (3)

Country Link
EP (1) EP0350133A3 (fr)
CA (1) CA1322356C (fr)
FI (1) FI82017C (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5913489A (en) * 1997-09-22 1999-06-22 Sandar Industries, Inc. Continuous web material turn up system and method
US5954290A (en) * 1997-09-22 1999-09-21 Sandar Industries, Inc. Continuous web material turn up system and method
DE10163554A1 (de) * 2001-12-21 2003-07-03 Voith Paper Patent Gmbh Verfahren zum Überführen einer laufenden Materialbahn auf einen Wickelkern sowie Vorrichtung zur Durchführung des Verfahrens
DE10305597A1 (de) * 2003-02-11 2004-08-19 Voith Paper Patent Gmbh Verfahren zum Überführen einer laufenden Materialbahn auf neuen Wickelkern sowie Wickelmaschine zur Durchführung des Verfahrens
WO2004099049A2 (fr) * 2003-05-08 2004-11-18 Jevtec Limited Bobine pour bande adhesive
DE10342831A1 (de) * 2003-09-17 2005-04-21 Voith Paper Patent Gmbh Verfahren und Wickelmaschine zum Aufwickeln einer laufenden Materialbahn
US6929212B2 (en) 2001-12-12 2005-08-16 Voith Paper Patent Gmbh. Method of transferring a moving web to a core and apparatus for implementing the method
ITFI20100204A1 (it) * 2010-09-28 2012-03-29 Celli Nonwovens Spa "metodo e dispositivi per la produzione di bobine di tessuto-non-tessuto o altri materiali in nastro"

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1135945A (en) * 1964-12-24 1968-12-11 Black Clawson Internat Ltd Method of and means for severing and winding-on cardboard webs
US3948457A (en) * 1975-02-10 1976-04-06 Spreitzer Francis F Microfilm takeup reel and converter kit
US3967795A (en) * 1973-02-08 1976-07-06 Murata Machinery Ltd. Bobbin tube
WO1986006357A1 (fr) * 1985-05-02 1986-11-06 Valmet-KMW Aktiebolag Appareil de coupe d'une bande de papier
EP0208379A1 (fr) * 1985-07-12 1987-01-14 Viscosuisse Sa Ruban pour attraper et retenir un fil

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1135945A (en) * 1964-12-24 1968-12-11 Black Clawson Internat Ltd Method of and means for severing and winding-on cardboard webs
US3967795A (en) * 1973-02-08 1976-07-06 Murata Machinery Ltd. Bobbin tube
US3948457A (en) * 1975-02-10 1976-04-06 Spreitzer Francis F Microfilm takeup reel and converter kit
WO1986006357A1 (fr) * 1985-05-02 1986-11-06 Valmet-KMW Aktiebolag Appareil de coupe d'une bande de papier
EP0208379A1 (fr) * 1985-07-12 1987-01-14 Viscosuisse Sa Ruban pour attraper et retenir un fil

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5913489A (en) * 1997-09-22 1999-06-22 Sandar Industries, Inc. Continuous web material turn up system and method
US5954290A (en) * 1997-09-22 1999-09-21 Sandar Industries, Inc. Continuous web material turn up system and method
US6929212B2 (en) 2001-12-12 2005-08-16 Voith Paper Patent Gmbh. Method of transferring a moving web to a core and apparatus for implementing the method
DE10163554A1 (de) * 2001-12-21 2003-07-03 Voith Paper Patent Gmbh Verfahren zum Überführen einer laufenden Materialbahn auf einen Wickelkern sowie Vorrichtung zur Durchführung des Verfahrens
DE10305597A1 (de) * 2003-02-11 2004-08-19 Voith Paper Patent Gmbh Verfahren zum Überführen einer laufenden Materialbahn auf neuen Wickelkern sowie Wickelmaschine zur Durchführung des Verfahrens
WO2004099049A2 (fr) * 2003-05-08 2004-11-18 Jevtec Limited Bobine pour bande adhesive
WO2004099049A3 (fr) * 2003-05-08 2004-12-23 Jevtec Ltd Bobine pour bande adhesive
DE10342831A1 (de) * 2003-09-17 2005-04-21 Voith Paper Patent Gmbh Verfahren und Wickelmaschine zum Aufwickeln einer laufenden Materialbahn
ITFI20100204A1 (it) * 2010-09-28 2012-03-29 Celli Nonwovens Spa "metodo e dispositivi per la produzione di bobine di tessuto-non-tessuto o altri materiali in nastro"
WO2012042550A1 (fr) * 2010-09-28 2012-04-05 A.Celli Nonwovens S.P.A. Procédé et moyen pour la production de bobines de bande continue de non-tissé ou autres matériaux en bande continue
CN103153828A (zh) * 2010-09-28 2013-06-12 A.塞利无纺股份公司 用于生产非织造幅材卷筒或其他类似幅材卷筒的方法和装置
CN103153828B (zh) * 2010-09-28 2015-11-25 A.塞利无纺股份公司 用于生产非织造幅材卷筒或其他类似幅材卷筒的方法和装置

Also Published As

Publication number Publication date
FI82017C (fi) 1991-01-10
FI883240A (fi) 1990-01-07
FI883240A0 (fi) 1988-07-06
FI82017B (fi) 1990-09-28
CA1322356C (fr) 1993-09-21
EP0350133A3 (fr) 1990-12-27

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