EP1847185B1 - Faserfilterherstellung - Google Patents

Faserfilterherstellung Download PDF

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Publication number
EP1847185B1
EP1847185B1 EP07007588A EP07007588A EP1847185B1 EP 1847185 B1 EP1847185 B1 EP 1847185B1 EP 07007588 A EP07007588 A EP 07007588A EP 07007588 A EP07007588 A EP 07007588A EP 1847185 B1 EP1847185 B1 EP 1847185B1
Authority
EP
European Patent Office
Prior art keywords
suction
shaft
fibres
fibers
conveyor
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.)
Not-in-force
Application number
EP07007588A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1847185A1 (de
Inventor
Stephan Wolff
Thorsten Scherbarth
Sönke Horn
Irene Maurer
Alexander Buhl
Jann De Boer
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.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
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 Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to PL07007588T priority Critical patent/PL1847185T3/pl
Publication of EP1847185A1 publication Critical patent/EP1847185A1/de
Application granted granted Critical
Publication of EP1847185B1 publication Critical patent/EP1847185B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0208—Cutting filter materials

Definitions

  • the invention relates to a method for producing and an apparatus for producing filter rods of the tobacco-processing industry.
  • the device described there is characterized in that separating devices are provided, which are separated from each other are designed.
  • the devices in the two cited European patent applications process finite fibers, so that nonwovens, filter rods and filters are made of finite fibers and optionally other filter components such as granules.
  • US 4,785,830 A discloses a method and apparatus for producing tobacco rods. A current generated by accumulation of fibrous material is converted to a strand which can be divided into filter rod sections.
  • US 4,185,644 A discloses a distributor for use in a cigarette machine with a relatively long stowage, from which stagnant tobacco is removed by means of a tapping roller. With a bat roller, the extracted tobacco is knocked out and fed to a strand production.
  • the object is achieved by a method for producing filter rods of the tobacco-processing industry comprising fibers of finite length of at least one type of fiber, wherein a step of singulating the fibers is provided in a separating device, wherein the separated fibers emerging from the singulation device counteract a component of movement of gravity towards a conveyor which is a suction belt conveyor.
  • the singulated fibers are spun directly from the singulation device into a suction chute.
  • the Saugstrang originaler connects to the suction shaft, in particular directly, so that after the separating device a very short distance for the fibers is traversed to be in the Saugstranguteer, for example, on one or more Saugb Sn crud.
  • the fibers are mixed with a further filter material, such as granules of activated carbon and / or binder, which has a component of movement in the direction of a Saugstrangbineers, in particular against gravity.
  • a further filter material such as granules of activated carbon and / or binder
  • two juxtaposed suction chutes or a division of a suction chute are provided in two juxtaposed Operaaug.chte, two filter strands can be made simultaneously, so that the throughput or the production amount of filter rods can be increased.
  • the suction shafts are in this case preferably substantially parallel and have an angle between 0 ° and 15 ° to each other.
  • the method for producing filter rods of the tobacco processing industry is further developed in that two different types of fiber are provided, which are brought together and mixed immediately prior to the singulation step.
  • the mixing and merging without any further intermediate step means the separation step or processing step-free, or directly followed by the merging and mixing, a separating step.
  • finite fibers are processed from two or at least two different fiber types.
  • the mixing occurs with the merging or begins with the merging. This also includes, in particular, that the mixing begins with the merging and is continued on a predefinable conveying path.
  • the separating step preferably comprises an acceleration of the fibers, whereby a very homogeneous separation and also a very homogeneous filter rod can be achieved.
  • the acceleration takes place in or by means of a card.
  • a carding or a part of a carding or a carding in particular carding is understood to include one or more rollers, which are formed on the peripheral surface similar to a natural card. These can also be configured with sawtooth or Trapezyakgarnituren. There may also be correspondingly fine spiked rollers.
  • the fibers of two different fiber types are combined unmixed prior to the step of merging and mixing.
  • the term unmixed includes in particular pure type. If the fibers are dammed up unmixed before merging, a particularly good dosage of the fibers is possible. They can then be first pretreated or singulated, then combined and mixed and then separated again to be able to produce homogeneous filter rods. Before the final separation step, a damming up of the fiber mixture can also be provided.
  • a particularly preferred embodiment is when the merged fibers are conveyed by means of a transport air flow to a separating device.
  • the promotion by means of a transport air flow is preferably carried out in the field of mixing of the fibers. This can, however, too already happened shortly before the merging of the different fiber types or immediately before.
  • a particularly efficient embodiment of the separating device is present if it comprises a plurality of rollers arranged one behind the other, whose rotational speeds increase in the fiber conveying direction. This can be very efficient separation take place, which prevents segregation of the fibers.
  • the object is further achieved by a device for producing filter rods of the tobacco-processing industry with at least two Faserzu 2008J, which open into a shaft, wherein adjoining the one slot a separating device, wherein the separating device is formed so that the separated by the separating device Fibers leave the separating device with a movement component against gravity in the direction of a conveyor, wherein the separated fibers of finite length on the conveyor, in particular Saugstrang makeuper, are alsschauerbar.
  • one shaft and the separating device lie directly behind one another in the conveying direction of the fibers or in the vicinity of one another.
  • a device for generating an air flow in the one shaft is provided, which is particularly suitable for conveying the fiber mixture.
  • a device for generating an air flow in the one shaft which may preferably be a fan passing through the one shaft, a very efficient mixing of the material is also possible.
  • the fan may have one or more fan impellers, pass through the fibers, whereby a rotational component is supplied to the fiber mixture, which just allows a very good mixing.
  • one stowage shaft is arranged upstream of the at least two fiber feed shafts or is included in the at least two fiber feed shafts, a very homogeneous fiber mixture and also a very good predosing is possible.
  • the one shaft is designed as a storage shaft.
  • the variant in which a fan passes through a shaft means, in particular, that the fan is integrated into the shaft.
  • the separating device comprises a plurality of rollers arranged one behind the other, whose rotational speeds increase in the fiber conveying direction.
  • at least one roller is designed like a card.
  • the roller on the peripheral surface preferably has a structure such as a natural card, ie in particular engrede pins or spikes.
  • the roller may also be configured as a sawtooth or trapezoidal tooth on the circumferential surface.
  • the sets of successive rolls can be configured ever finer in the fiber conveying direction, so that fibers which are transported by rollers lying one behind the other, a longitudinal alignment, parallelization and separation Experienced.
  • a suction shaft adjoins the separating device directly, which is aligned vertically and is closed with a suction belt conveyor.
  • the SaugstrangIFFer is disposed at the upper end of the suction shaft, resulting in a very uniform fiber web formation in Saugstrang dealter so that very homogeneous filter rods can be produced.
  • two Saugstrang discarder or two suction belts are provided in a Saugstrang considerer to allow a very high throughput and a high production amount of filter rods.
  • Fig. 1 shows a sectional view through a device according to the invention in a first embodiment.
  • fibers 12 of a first type of fiber and fibers 13 of a second type of fiber are fed by a first feed tube 14 and a second feed tube 15 into a first stowage bay 11 and a second stowage bay 11 'by means of, for example, transport air.
  • the first type of fiber 12 may be, for example, a multiple-component fiber, in particular bicomponent fiber
  • the second type of fiber 13 fibers of cellulose acetate, cellulose or carbon fibers Various fiber materials, which have a finite length, can be provided. Regarding the different fiber materials is fully on the DE 102 17 410.5 referred to the applicant.
  • the length of the fibers can preferably be smaller than the length of the filter rod to be produced. Accordingly, this may be between 0.1 mm and 60 mm and in particular preferably between 0.2 mm and 10 mm.
  • the fiber thickness should be 1 to 20 dtex, preferably 2 to 6 dtex.
  • the average fiber diameter may be in the range of preferably 10 to 40 .mu.m, in particular 20 to 38 .mu.m and in particular preferably between 30 and 35 microns.
  • the fibers are preferably crimped, in particular zigzag-shaped and have 10 sheets per 10 mm.
  • the fibers 12 and 13 are taken from the accumulated area of the fibers of the storage spaces 11 and 11' and with a racket roller 17 and 17 'knocked out and into the first Faserzu Foodschacht 19 and the second Faserzu Foodschacht 19' transferred.
  • the different fiber types 12 and 13 are combined to form a fiber mixture 32.
  • the fiber mixture 32 enters a conveyor shaft 21 and can accumulate shortly before the feed roller 22 of a carding device or a part of a carding device.
  • the dosage of the fiber types 12 and 13 is done by, for example, controlling the removal rates of the fibers by means of the feed rollers 16, 16 'and / or racket roller 17, 17'.
  • the feed rollers 16, 16 ' can be made slowly running, such that they promote the fibers against a spring-mounted trough, which is not shown. In this case, the fibers are drawn in and compacted into a thin compact fiber cake, which is not shown.
  • the fibrous cake conveyed down between draw-in rollers 16, 16 'and trough is then milled off or knocked out at the lower end of the trough by a respective fast-running drum 17, 17'.
  • the fibers are loosened, isolated and entered into the shafts 19, 19 '.
  • a supporting air flow can be used, which in Fig. 1 but not shown.
  • the fiber mixture is detected by the feed roller 22 and conveyed against the trough 23 and then a leaf spring battery 24.
  • the trough 23 is spring-loaded. The result is a thin, compact fiber cake, which is not shown, and which is promoted and compressed between the feed roller 22, the trough 23 and the Biattfederbatterie 24.
  • rollers 25, 26 and 27 are designed as a card or equipped with sawtooth or Trapezyakgarnituren. The rolling speeds are increasing from roller 25 to roller 27.
  • the fibers 32 are transferred tangentially to the counter-rotating roller 26. Since the roller 26 rotates faster than the roller 25 and in particular has a finer card structure or a finer sawtooth or Trapez leopardgarnitur, there is a longitudinal alignment, parallelization and separation of the fibers in the transfer.
  • the fibers 32 After the fibers 32 have been held in the clothing of the roller 26 about 180 ° on the circumference, the fibers 32 are tangentially transferred to the turn in opposite directions rotating roller 27. Since the roller 27 rotates faster than the roller 26 and in particular has a finer card-like structure or a finer Sge leopard- or Trapez leopardgarnitur, is again a longitudinal alignment, parallelization and separation of the fibers in the transfer.
  • the fibers 32 are held in the set of the roller 27 by 180 ° were the fibers 32 tangentially upwards in an air flow 44 of the channel or suction shaft 28 passed. Subsequently, the fiber mixture 32 reaches a suction belt 29 of a suction belt conveyor 30.
  • the air flow 44 can additionally via a lateral exhaust 45 (or 45 'in Fig. 4 ) are deposited in front of the suction strand conveyor 30 from the fiber mixture or fiber / granule mixture.
  • the fibers 32 in the suction shaft 28 may first be dropped onto a spreader cloth and then sucked into a suction shaft according to the EP 1 584 248 A1 happen, in which case in the carding preferably a roller more or less use a roller.
  • Fig. 2 shows a further embodiment according to the invention of an apparatus for the production of filter rods, wherein compared to Fig. 1 a fan 31 is provided in direct connection to the Georgialim Society 20.
  • the fan 31 generates a transport air stream 42 in the production well 21. It can take measures be provided to ensure a closed circuit of the transport air flow, for example, 21 transport air openings are provided in the lower part of the conveyor shaft, which ensure that transport air is discharged from the feed chute 21, without carrying fibers, and then fed back to the fan.
  • a drive belt 36 is further provided, which indicates, for example, a drive of the roller 25.
  • the rollers 25 to 27 and the other rollers used can also be driven by a motor with a direct drive.
  • Fig. 2 still another option, namely the supply of a granulate 43 to the fiber mixture. This happens shortly before the filter material shudders on a suction belt of a suction belt conveyor 30 in the suction shaft 28.
  • 33 granules 43 metered with a metering roller 34 is fed from a granule container 33, which ends in a chamber with an accelerator roller 35, which flings the granules tangentially in the direction of the Saugstrangizaers 30 in the suction shaft 28.
  • a fiber fleece 41 or filter material fleece 41 then forms on a suction belt of the suction strand conveyor 30.
  • Fig. 3 is also the bullet portion 37 for granules, which in Fig. 3 not shown, provided.
  • Fig. 4 two complete suction ducts 28, 28 'are provided, which are slightly tilted against each other, in this case at an angle of approximately 3 °.
  • the suction wells 28 and 28 ' may be configured so that these relative to the plane of the Fig. 4 are arranged perpendicular to the plane one behind the other, so that the depth or width of the rollers 27 and 35 are each provided in half to supply the conveyor wells 28 and 28 'with filter material.
  • the bullet area 37 is then for the relative to the plane of the Fig. 4 front conveyor shaft 28 provided with a relatively short granule shaft 40 and with the relative to the plane of the Fig. 4 rear conveyor shaft 28 'provided with a slightly longer granule shaft 40'.
  • the accelerator roller 35 may be formed as a kind of brush roller. Due to the centrifugal force, the granulate is thrown into the respective suction shaft and mixes with the fiber stream. It is preferred if the speeds of the mass flow and of the fed-in granules are different relative to one another. As a result, a good mixing is generated.
  • the stranding machine for the filter rod production decreases considerably, since a suction strand conveyor can be arranged directly on the separating device.
  • the air consumption is reduced because the transport stream and the mixing process in a usual long channel accounts.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Multicomponent Fibers (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Filtering Materials (AREA)
EP07007588A 2006-04-18 2007-04-13 Faserfilterherstellung Not-in-force EP1847185B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07007588T PL1847185T3 (pl) 2006-04-18 2007-04-13 Wytwarzanie filtrów włóknistych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006018102A DE102006018102A1 (de) 2006-04-18 2006-04-18 Faserfilterherstellung

Publications (2)

Publication Number Publication Date
EP1847185A1 EP1847185A1 (de) 2007-10-24
EP1847185B1 true EP1847185B1 (de) 2011-08-10

Family

ID=38212229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07007588A Not-in-force EP1847185B1 (de) 2006-04-18 2007-04-13 Faserfilterherstellung

Country Status (7)

Country Link
US (1) US7588524B2 (ja)
EP (1) EP1847185B1 (ja)
JP (2) JP4614985B2 (ja)
CN (1) CN101057709A (ja)
AT (1) ATE519387T1 (ja)
DE (1) DE102006018102A1 (ja)
PL (1) PL1847185T3 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012101021B3 (de) * 2012-02-08 2013-08-01 Hauni Maschinenbau Ag Verteilervorrichtung und Verfahren zum Beschicken einer Strangmaschine der Tabak verarbeitenden Industrie

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007057396A1 (de) * 2007-11-27 2009-05-28 Hauni Maschinenbau Ag Vorrichtung zur Bearbeitung von mindestens zwei Filtertowsträngen
KR101178251B1 (ko) * 2009-11-19 2012-08-29 동양물산기업 주식회사 담배 필터의 충전제 공급 및 흡착장치
DE102010000677A1 (de) 2010-01-05 2011-07-07 Hauni Maschinenbau AG, 21033 Vorrichtung zur gleichzeitigen Herstellung von wenigstens zwei Faservliesen für die Herstellung von Filterstäben der Tabak verarbeitenden Industrie
DE102010000680A1 (de) 2010-01-05 2011-07-07 Hauni Maschinenbau AG, 21033 Herstellung von Filtersträngen und Filterstrangmaschine
DE102010063564A1 (de) 2010-12-20 2012-06-21 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Herstellen eines Faservlieses
WO2016012447A1 (en) * 2014-07-22 2016-01-28 Jt International S.A. Method and apparatus for forming a filter rod

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US4185644A (en) * 1976-09-24 1980-01-29 Hauni-Werke Korber & Co. Kg. Distributor for cigarette makers or the like
US4785830A (en) * 1983-01-22 1988-11-22 Korber Ag Method and apparatus for monitoring and evaluating the density of a tobacco stream

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GB2145918B (en) 1980-08-04 1985-10-16 Molins Plc Producing filler material particularly for cigarette filters
JPS5758878A (en) * 1980-08-04 1982-04-08 Molins Ltd Filler material, especially, apparatus and method for producing tobacco filter
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EP1154937B1 (en) * 1998-12-10 2004-09-08 Kimberly-Clark Worldwide, Inc. An absorbent structure including a thin, calendered airlaid composite and a process for making the composite
US6368609B1 (en) * 1999-04-12 2002-04-09 Kimberly-Clark Worldwide, Inc. Absorbent structure including a thin, calendered airlaid composite and a process for making the composite
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DE10217410A1 (de) * 2002-04-18 2003-10-30 Hauni Maschinenbau Ag Zigarettenfilter und Verfahren zur Herstellung desselben
ES2275036T3 (es) 2003-04-03 2007-06-01 Hauni Maschinenbau Ag Procedimiento y dispositivo para la fabricacion de una varilla de filtro.
ATE332651T1 (de) * 2003-04-03 2006-08-15 Hauni Maschinenbau Ag Verfahren zur aufbereitung endlicher fasern und aufbereitungseinrichtung für endliche fasern zur verwedung bei der herstellung von filtern
PL1464241T3 (pl) 2003-04-03 2007-02-28 Hauni Maschinenbau Ag Sposób wytwarzania włókniny do wytwarzania filtrów w przemyśle tytoniowym oraz urządzenie do wytwarzania pasma filtru
EP1683432A1 (de) * 2003-04-03 2006-07-26 Hauni Maschinenbau Aktiengesellschaft Verfahren und Vorrichtung zur Herstellung eines Vlieses für die Herstellung von Filterstäben
JP2005058233A (ja) * 2003-08-08 2005-03-10 Hauni Maschinenbau Ag フィルタ連続体を製造する方法と装置
ATE326874T1 (de) * 2003-08-08 2006-06-15 Hauni Maschinenbau Ag Verfahren und vorrichtung zur herstellung eines filterstabs
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Publication number Priority date Publication date Assignee Title
US4185644A (en) * 1976-09-24 1980-01-29 Hauni-Werke Korber & Co. Kg. Distributor for cigarette makers or the like
US4785830A (en) * 1983-01-22 1988-11-22 Korber Ag Method and apparatus for monitoring and evaluating the density of a tobacco stream

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012101021B3 (de) * 2012-02-08 2013-08-01 Hauni Maschinenbau Ag Verteilervorrichtung und Verfahren zum Beschicken einer Strangmaschine der Tabak verarbeitenden Industrie
EP2625973A2 (de) 2012-02-08 2013-08-14 HAUNI Maschinenbau AG Verteilervorrichtung und Verfahren zum Beschicken einer Strangmaschine der Tabak verarbeitenden Industrie
CN103238928A (zh) * 2012-02-08 2013-08-14 豪尼机械制造股份公司 给烟草加工行业的条棒加工机供料的分配装置和方法

Also Published As

Publication number Publication date
JP2007282634A (ja) 2007-11-01
ATE519387T1 (de) 2011-08-15
DE102006018102A1 (de) 2007-10-25
US20070243985A1 (en) 2007-10-18
US7588524B2 (en) 2009-09-15
JP2010279380A (ja) 2010-12-16
CN101057709A (zh) 2007-10-24
EP1847185A1 (de) 2007-10-24
JP5050082B2 (ja) 2012-10-17
JP4614985B2 (ja) 2011-01-19
PL1847185T3 (pl) 2012-01-31

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