EP3031336B1 - Bande d'aspiration - Google Patents

Bande d'aspiration Download PDF

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Publication number
EP3031336B1
EP3031336B1 EP14197395.8A EP14197395A EP3031336B1 EP 3031336 B1 EP3031336 B1 EP 3031336B1 EP 14197395 A EP14197395 A EP 14197395A EP 3031336 B1 EP3031336 B1 EP 3031336B1
Authority
EP
European Patent Office
Prior art keywords
suction belt
belt
openings
suction
less
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.)
Active
Application number
EP14197395.8A
Other languages
German (de)
English (en)
Other versions
EP3031336A1 (fr
Inventor
Frank Bez
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.)
Max Schlatterer GmbH and Co KG
Original Assignee
Max Schlatterer GmbH and Co KG
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
Priority to ES14197395.8T priority Critical patent/ES2647144T3/es
Priority to SI201430495T priority patent/SI3031336T1/en
Priority to PL14197395T priority patent/PL3031336T3/pl
Priority to HUE14197395A priority patent/HUE037741T2/hu
Application filed by Max Schlatterer GmbH and Co KG filed Critical Max Schlatterer GmbH and Co KG
Priority to PT141973958T priority patent/PT3031336T/pt
Priority to EP14197395.8A priority patent/EP3031336B1/fr
Priority to LTEP14197395.8T priority patent/LT3031336T/lt
Priority to PCT/EP2015/079192 priority patent/WO2016091989A1/fr
Priority to US15/534,984 priority patent/US10104905B2/en
Priority to JP2017530741A priority patent/JP6567668B2/ja
Publication of EP3031336A1 publication Critical patent/EP3031336A1/fr
Application granted granted Critical
Publication of EP3031336B1 publication Critical patent/EP3031336B1/fr
Active 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
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/39—Tobacco feeding devices
    • A24C5/396—Tobacco feeding devices with separating means, e.g. winnowing, removing impurities
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/1857—Belt construction or driving means
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/02—Inflatable articles

Definitions

  • the invention relates to a suction belt for transporting tobacco and / or filter material in the manufacture of cigarettes, with a flat, ring-shaped strip material and with a plurality of openings distributed over the surface of the strip material.
  • a suction belt for transporting tobacco and / or filter material in the manufacture of cigarettes, with a flat, ring-shaped strip material and with a plurality of openings distributed over the surface of the strip material.
  • a generic suction belt is further from the DE 199 09 031 A1 known.
  • the suction belt comprises a fabric of warp threads and weft threads, between which there are pores or openings, so that an air permeability of the fabric results, which allows suction of the tobacco or the filter material by means of vacuum.
  • one side of the band is smooth and the other side is made extremely rough, which in this case is achieved by a certain weave in which the weft threads are raised.
  • the rough side should also allow better engagement with a drive wheel or the like to reliably drive the suction belt can.
  • Another generic suction belt is described, the ends of which are connected in a connecting region by means of laser welding to form an endless suction belt.
  • the suction belt also has a fabric with warp threads and weft threads, between which there are openings for sucking the tobacco or the filter material.
  • Similar suction belts which likewise comprise fabrics of warp threads and weft threads and openings located between the warp threads and the weft threads, are also known from US Pat DE 10 2012 204 970 A1 , of the DE 10 2012 211 069 B4 or the DE 10 2012 223 074 A1 known.
  • a problem with most suction belts is often the fact that relatively many tobacco fibers to be transported are sucked through the suction belt and thus do not arrive at the point at which they are to be transported. In the case of fine dusts, this is a lesser problem since these are usually not desirable in cigarettes anyway. However, if it is larger fibers, it may well result in a major loss of up to 10% of the tobacco material used, which can lead to corresponding financial losses. Although it is in principle possible to reuse the tobacco fibers sucked through the suction belt, this also represents an expense which leads to undesirable costs.
  • the openings of the suction belt according to the invention are thus designed so that tobacco fibers are safely transported from a certain size and thus ultimately reach the cigarette, whereas very short tobacco fibers and particulate matter are sucked through the suction belt and can not get into the cigarette, which is the quality improved considerably.
  • the solution according to the invention can be implemented in various ways, but always with very low costs, in particular in comparison to solutions in which expensive devices or the like are used for the reuse of tobacco components sucked through the suction belt.
  • the maximum amount of loss of tobacco and / or filter material can be provided in a very advantageous embodiment of the invention that at least 75% of all openings a clear width of 0.25 mm or less, preferably 0.22 mm or less, more preferably 0.2 mm or less, more preferably 0.17 mm or less, still more preferably 0.15 mm or less.
  • Another way to suck as little tobacco fibers through the suction belt may consist in that at least 80%, preferably at least 85%, more preferably at least 90%, of all openings have a clear width of 0.3 mm or less.
  • suction belt to be produced with very little effort and process reliability results when the belt material comprises a fabric with warp threads and weft threads, wherein the openings are located between the warp threads and the weft threads.
  • the two opposing surfaces of the strip material are substantially symmetrical to each other, wherein the fabric is bound with a plain weave and / or a twill weave, so there is an easy way to adjust the above-described size of the openings in the surface of the suction belt.
  • a plain weave a very high air permeability is given due to the large number of binding points, whereby a reliable suction of the tobacco or the filter material is achieved.
  • the strip material comprises a knitted fabric, knitted fabric, scrim or a combination thereof. This may result in cost benefits.
  • strip material has a flat plastic film in which the openings are located.
  • Such a strip material can be produced in different ways and the openings are introduced, for example by perforation.
  • the two lateral edges of the suction belt are made substantially straight.
  • Such a straight design of the two lateral edges of the suction belt prevents tobacco fibers and / or filter material from being sucked past the side of the suction belt, which also leads to a reduction in the loss of tobacco fibers or filter material.
  • the two lateral edges of the strip material are designed straight so that they do not have recesses with a clear width of more than 0.3 mm.
  • the suction belt has two ends, which are connected in a connecting region by means of laser welding to form an endless suction belt.
  • a method for producing a suction belt is specified in claim 15. With such a method, the described straightening of the two lateral edges of the strip material can be carried out in a simple manner.
  • Fig. 1 shows in a very schematic representation of a suction belt 1, which serves for transporting not shown in the figures tobacco and / or filter material in the manufacture of cigarettes.
  • the suction belt 1 can be used for example in a conventional manner in a machine for the production of cigarettes.
  • the formed into a ring suction belt 1 runs around two rollers 2, of which at least one is driven.
  • the rollers 2 may for example be designed as gears to achieve a better connection with the suction belt 1 for driving the same.
  • the suction belt 1 rotates by more than the two rollers 2. However, since such arrangements are known per se, they are not illustrated in order to simplify the illustration.
  • the endless suction belt 1 is formed adjacent to a vacuum chamber 3, which serves to suck the tobacco or the filter material to the suction belt 1 with the prevailing in the same vacuum or negative pressure. Since this procedure is also known per se, it is likewise not described here in detail.
  • a suction channel 4 is shown, through which the suction belt 1 extends.
  • the suction channel 4 is bounded on both sides by respective side walls 5, in which guide strips 6 are used, on which the suction belt 1 ideally abuts.
  • Above the suction belt 1 is already in Fig. 1 represented vacuum chamber 3.
  • the representation of Fig. 2 is to be regarded as very schematic, since it is intended to indicate only the purpose of the suction belt 1 for transporting tobacco and / or filter material.
  • Fig. 3 shows a first embodiment of the suction belt 1.
  • the suction belt 1 has a flat, in a manner not shown in the Fig. 1 shown ring shaped strip material 7, which is connected at its ends in a connecting region, not shown, for example by means of laser welding to the endless strip material 7.
  • the two ends of the strip material 7 may also be joined by ultrasonic welding or other suitable method to form the endless suction belt 1.
  • the strip material 7 used for the suction belt 1 may have a thickness of, for example, 0.5 to 2.5 mm.
  • the strip material 7 has in the embodiment of Fig. 3 a fabric 8 with warp threads 9 and weft threads 10 on. Between the warp threads 9 and the weft threads 10 are openings 11, which may also be referred to as pores, holes or recesses.
  • the openings 11 in the fabric 8 or in principle in the band material 7, which forms the suction belt 1, serve to let the vacuum applied in the vacuum chamber 3 or the negative pressure through the suction belt 1 act through and thus the tobacco or the Aspirate filter material to the suction belt 1.
  • a certain air permeability of the strip material 7 is necessary, which results through the openings 11.
  • At least 75% of all openings 11 have a clear width of 0.25 mm or less, preferably 0.22 mm or less, more preferably 0.2 mm or less, more preferably 0.17 mm or less, more preferably 0.15 mm or less. Furthermore, at least 80%, preferably at least 85%, more preferably at least 90%, of all openings 11 may have a clear width of 0.3 mm or less. These two restrictions or extensions can be linked together as desired. By a combination of these two restrictions, it is thus possible, for example, that at least 90% of all openings 11 have a clear width of 0.15 mm or less.
  • the described clear width of the openings 11 may in the embodiment of Fig. 3 be achieved by a corresponding type of binding of the fabric 8.
  • a twill weave or a combination of two weave types for the fabric 8 is also conceivable.
  • suitable warp threads 9 and weft threads 10 in conjunction with a suitable weave, the inside width of the openings 11 can be placed in the desired range described above.
  • the density of the warp threads 9 and / or the weft threads 10 is adjusted so that the desired clear width of the openings 11 is achieved.
  • the warp threads 9 and / or the weft threads 10 may have a thickness of about 0.25 mm or less. While threads with a thickness of approximately 0.25 mm are frequently used for the warp threads 9, the weft threads 10 may have a thickness of 0.18 to 0.22 mm, for example.
  • the fabric 8 is further bound so that the two opposite surfaces of the fabric 8 and thus of the strip material 7 formed thereby are made substantially symmetrical to one another.
  • the two opposite surfaces of the fabric 8 and the strip material 7 are made as smooth as possible, which represents a departure from the suction belts used so far, which usually had a comparatively smooth and a much rougher side.
  • the warp threads 9 and the weft threads 10 are formed as monofilament threads and consist of PEEK or polyamide.
  • other materials can be used.
  • the same also has the band material 7, which is formed in this embodiment, however, by a flat plastic film 12 in which the openings 11 are located.
  • the plastic film 12 can be produced in a manner known per se and therefore not described here in detail, wherein the openings 11 can be introduced, for example, by perforation by means of needling, by means of laser radiation or the like.
  • the openings 11 already in the production process of the plastic film 12, for example by the plastic film 12 is poured into a corresponding shape in which projections, pins or the like, which form the openings 11 in the plastic film 12.
  • the plastic film 12 forming the strip material 7 by means of a generative production method, for example by means of selective laser sintering or 3D printing.
  • the openings 11 can already be omitted in the manufacture of the plastic film 12, so that, for example, in the case of laser sintering at the point at which the openings 11 should be that the plastic film 12 forming material is not sintered.
  • round, oval, triangular and / or polygonal shapes can be used in addition to the rectangular or square shapes of the openings 11.
  • the inside width thereof is formed by the diameter
  • the longest leg of the triangle forms the clear width.
  • the suction belt 1 has a very large number of openings 11. In this way it is prevented that all of the openings 11 are clogged by the tobacco or the filter material, so that always enough free openings 11 are available and fine dust or very small tobacco fibers are sucked through the suction belt 1 and not get into the cigarette.
  • the two edges of the strip material 7 denoted by the reference numeral 13 are made substantially straight.
  • substantially straight is meant that the two lateral edges 13 of the strip material 7 do not have recesses with a size of more than 0.3 mm. This straightening of the edges 13 prevents the tobacco from getting past the suction belt 1 into the vacuum chamber 3.
  • the size of the FIGS. 3 and 4 depressions not shown can be adapted to the above-explained size of the clear width of the openings 11 in order to achieve a certain degree of filtering by the suction belt 1. For the maximum size of the recesses at the edges 13 of the strip material 7 and the percentage minimum portion of the recesses, which have this size, the same applies with reference to the openings 11.
  • this straightening of the lateral edges 13 can take place in different ways.
  • the fabric 8 may be provided for the strip material 7, that at least the two laterally outer warp threads 9 of the fabric 8 consist of a multifilament yarn.
  • the binding of the respective weft thread 10 adheres to the structure, so that a much straighter band edge is formed.
  • the monofilament may be finely crimped, so that the respective weft thread 10 always lies in the depression resulting from this crimp and closes it.
  • edge region of the strip material 7 additional material is applied, for example by means of fusing, welding, printing, coating, application, filling and / or extrusion.
  • additional material is used in the fusion, whereas in welding, printing, coating, application, filling or extruding additional material is used.
  • the straight edge in the region of the edges 13 can then be produced for example by means of trimming, grinding, or the like.
  • one of the warp threads 9 can also have certain pigments so that it can be melted with laser radiation in order to form a closed region in the region of the edges 13, so that the edges 13 are straight and with recesses having a maximum clear width of 0, 3 mm can be achieved.
  • the strip material 7 can be closed in the region of the edges 13 in order to fill the edge roughness.
  • the strip material 7 may also comprise a knitted fabric, a knitted fabric and / or a scrim or combinations of these textile fabrics.
  • the suction belt 1 as a garniture belt for forming filters. Through the openings 11 in this case the hot steam can pass through the belt.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Filtering Materials (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Claims (15)

  1. Bande aspirante (1) pour le transport de tabac et/ou de matériau de filtration pour la fabrication de cigarettes, comportant un matériau en bande, plat formé en boucle (7) et plusieurs ouvertures (11) distribuées sur la surface du matériau en bande (7),
    caractérisée en ce que,
    au moins 75% de toutes les ouvertures (11) ont une embouchure ayant 0,3 mm de section ou moins.
  2. Bande aspirante selon la revendication 1,
    caractérisée en ce que,
    au moins 75% de toutes les ouvertures (11) ont une embouchure ayant 0,25 mm de section ou moins, de préférence 0,22 mm de section ou moins, de manière encore plus préférentielle 0,2 mm ou moins, de manière encore plus préférentielle 0,17 mm ou moins, de manière encore plus préférentielle 0,15 mm ou moins.
  3. Bande aspirante selon la revendication 1 ou 2,
    caractérisée en ce que,
    au moins 80%, de préférence au moins 85%, de manière encore plus préférentielle au moins 90% de toutes les ouvertures (11), ont une embouchure ayant 0,3 mm de section ou moins.
  4. Bande aspirante selon la revendication 1, 2 ou 3,
    caractérisée en ce que,
    le matériau en bande (7) est un tissu (8) ayant des fils de chaîne (9) et des fils de trame (10), dans lequel les ouvertures (11) sont situées entre les fils de chaîne (9) et les fils de trame (10).
  5. Bande aspirante selon la revendication 4,
    caractérisée en ce que,
    les deux surfaces du matériau en bande (7) disposées face à face sont en substance placées symétriquement l'une par rapport à l'autre, dans lequel le tissu (8) est lié avec une armure toile et/ou une armure sergé.
  6. Bande aspirante selon la revendication 4 ou 5,
    caractérisée en ce que,
    les fils de chaîne (9) et/ou les fils de trame (10) ont une épaisseur d'environ 0,25 mm ou moins.
  7. Bande aspirante selon la revendication 1, 2 ou 3,
    caractérisée en ce que,
    le matériau en bande (7) est un tricot, un maillage, un assemblage de fils ou une combinaison de ces éléments.
  8. Bande aspirante selon la revendication 1, 2 ou 3,
    caractérisée en ce que,
    le matériau en bande (7) comporte un film plan en matière synthétique (12) dans lequel sont ménagées les ouvertures (11).
  9. Bande aspirante selon les revendications 1 à 8,
    caractérisée en ce que,
    les ouvertures (11) ont une section carrée, rectangulaire, ronde, ovale, triangulaire et/ou de forme polygonale.
  10. Bande aspirante selon les revendications 1 à 9,
    caractérisée en ce que,
    les deux bords latéraux (13) du matériau en bande (7) sont essentiellement rectilignes.
  11. Bande aspirante selon la revendication 10,
    caractérisée en ce que,
    les deux bords latéraux (13) du matériau en bande (7) sont rectilignes de telle manière qu'ils ne présentent aucun évidement ayant une extension de plus de 0,3 mm.
  12. Bande aspirante selon la revendication 10 ou 11,
    caractérisée en ce que,
    la réalisation des deux bords latéraux (13) du matériau en bande (7) est faite par fusion, soudure, mise sous pression, traitement de surface, application d'un revêtement, remplissage, extrusion, découpe et/ou ponçage.
  13. Bande aspirante selon les revendications 4 et 10 ou 11,
    caractérisée en ce que,
    le redressement des deux bords latéraux (13) du matériau en bande (7) est fait de telle manière que les deux fils de chaîne latéraux extérieurs (9) sont constitués d'un fil à multifilaments.
  14. Bande aspirante selon les revendications 1 à 13,
    caractérisée en ce que,
    le matériau en bande (7) comporte deux extrémités qui, dans une zone de jonction sont liées par une soudure laser pour réaliser la boucle continue du matériau en bande (7).
  15. Procédé de réalisation d'une bande aspirante selon l'une des revendications 10 à 12,
    caractérisé en ce que,
    les deux bords latéraux (13) du matériau en bande (7) sont redressés par fusion, soudure, mise sous pression, traitement de surface, application d'un revêtement, remplissage, extrusion, découpe et/ou ponçage.
EP14197395.8A 2014-12-11 2014-12-11 Bande d'aspiration Active EP3031336B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
PL14197395T PL3031336T3 (pl) 2014-12-11 2014-12-11 Taśma zasysająca
HUE14197395A HUE037741T2 (hu) 2014-12-11 2014-12-11 Szívószalag
EP14197395.8A EP3031336B1 (fr) 2014-12-11 2014-12-11 Bande d'aspiration
PT141973958T PT3031336T (pt) 2014-12-11 2014-12-11 Correia de aspiração
SI201430495T SI3031336T1 (en) 2014-12-11 2014-12-11 Suction tape
LTEP14197395.8T LT3031336T (lt) 2014-12-11 2014-12-11 Įtraukimo juosta
ES14197395.8T ES2647144T3 (es) 2014-12-11 2014-12-11 Cinta de aspiración
PCT/EP2015/079192 WO2016091989A1 (fr) 2014-12-11 2015-12-10 Bande aspirante
US15/534,984 US10104905B2 (en) 2014-12-11 2015-12-10 Suction belt
JP2017530741A JP6567668B2 (ja) 2014-12-11 2015-12-10 吸引ベルト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14197395.8A EP3031336B1 (fr) 2014-12-11 2014-12-11 Bande d'aspiration

Publications (2)

Publication Number Publication Date
EP3031336A1 EP3031336A1 (fr) 2016-06-15
EP3031336B1 true EP3031336B1 (fr) 2017-09-13

Family

ID=52021095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14197395.8A Active EP3031336B1 (fr) 2014-12-11 2014-12-11 Bande d'aspiration

Country Status (10)

Country Link
US (1) US10104905B2 (fr)
EP (1) EP3031336B1 (fr)
JP (1) JP6567668B2 (fr)
ES (1) ES2647144T3 (fr)
HU (1) HUE037741T2 (fr)
LT (1) LT3031336T (fr)
PL (1) PL3031336T3 (fr)
PT (1) PT3031336T (fr)
SI (1) SI3031336T1 (fr)
WO (1) WO2016091989A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI3384789T1 (sl) 2017-04-07 2022-05-31 Max Schlatterer Gmbh & Co. Kg Trak za proizvajanje cigaret ali filtrov cigaret ter postopek za proizvajanje omenjenega traku
IT201900014352A1 (it) * 2019-08-08 2021-02-08 Gd Spa Convogliatore e metodo di allineamento per articoli a forma di barretta

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Publication number Priority date Publication date Assignee Title
DE1932616A1 (de) * 1968-06-28 1970-01-08 British American Tobacco Co Gewebtes poroeses Band fuer Zigarettenmaschinen
DE3544769C2 (de) * 1985-12-18 1994-12-08 Hauni Werke Koerber & Co Kg Strangmaschine zum Herstellen von stabförmigen Artikeln der tabakverarbeitenden Industrie
IT1247904B (it) * 1990-03-23 1995-01-05 Koerber Ag Procedimento e disposizione per formare un filone di fibre di tabacco
GB9518802D0 (en) * 1995-09-14 1995-11-15 Scapa Group Plc Tobacco conveyor belt
DE19543672A1 (de) * 1995-11-23 1997-05-28 Hauni Maschinenbau Ag Anordnung zum Übergeben eines Faserstranges der tabakverarbeitenden Industrie von einem Saugstrangförderer auf ein einen Hüllmaterialstreifen führendes Formatband
DE19733443A1 (de) * 1997-08-02 1999-02-04 Hauni Maschinenbau Ag Vorrichtung zum Fördern eines Stranges der tabakverarbeitenden Industrie
DE19909031A1 (de) 1999-03-02 2000-09-14 Schlatterer Gmbh & Co Kg Max Förderband zum Fördern von Schüttgütern geringer spezifischer Dichte unter Vakuum
WO2008112612A1 (fr) * 2007-03-15 2008-09-18 Albany International Corp. Bande aspirante pour tabac
JP4991495B2 (ja) * 2007-11-26 2012-08-01 東京エレクトロン株式会社 検査用保持部材及び検査用保持部材の製造方法
DE202011110222U1 (de) 2011-04-05 2013-04-24 Max Schlatterer Gmbh & Co. Kg Saugband zum Transportieren von Tabak
DE102012204970B4 (de) 2012-03-28 2016-09-01 Max Schlatterer Gmbh & Co. Kg Band für technische Zwecke
DE102012211069B4 (de) * 2012-06-27 2014-08-21 Max Schlatterer Gmbh & Co. Kg Saugband
DE102012223074A1 (de) 2012-12-13 2014-06-18 Max Schlatterer Gmbh & Co Kg Saugband zum Transportieren von Tabak oder Filtermaterial

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
PT3031336T (pt) 2017-12-06
US10104905B2 (en) 2018-10-23
ES2647144T3 (es) 2017-12-19
EP3031336A1 (fr) 2016-06-15
JP6567668B2 (ja) 2019-08-28
WO2016091989A1 (fr) 2016-06-16
JP2017536840A (ja) 2017-12-14
PL3031336T3 (pl) 2018-02-28
US20170360080A1 (en) 2017-12-21
SI3031336T1 (en) 2018-01-31
LT3031336T (lt) 2018-03-12
HUE037741T2 (hu) 2018-09-28

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