US20040216751A1 - Method and unit for simultaneously forming multiple tobacco mats - Google Patents
Method and unit for simultaneously forming multiple tobacco mats Download PDFInfo
- Publication number
- US20040216751A1 US20040216751A1 US10/795,194 US79519404A US2004216751A1 US 20040216751 A1 US20040216751 A1 US 20040216751A1 US 79519404 A US79519404 A US 79519404A US 2004216751 A1 US2004216751 A1 US 2004216751A1
- Authority
- US
- United States
- Prior art keywords
- conduit
- downflow
- tobacco
- switch
- conduits
- 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.)
- Abandoned
Links
Images
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
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
- A24C5/1835—Multiple rod making devices
Definitions
- the present invention relates to a method and unit for simultaneously forming multiple tobacco mats on a multiple-rod cigarette manufacturing machine.
- the partition member normally divides the input stream of shredded tobacco into substreams equal in number to the upflow conduits to form an equal number of tobacco mats, which should theoretically be identical.
- identical mats which presuppose a homogenous input stream of shredded tobacco across its whole section, are difficult to achieve, and cigarettes formed by cutting rods produced from different tobacco mats invariably differ slightly.
- EP-1364588-A1 was filed before, but published after the date of filing of the present application and discloses an arrangement for the formation of at least two tobacco rods in a cigarette rod making machine.
- an input stream of shredded tobacco is fed to a switch conduit selectively alignable with the inputs of two downflow conduits, each of which communicates via a respective carding assembly with a respective upflow conduit closed by a respective conveyor belt for a respective tobacco mat; the switch conduit being switched between positions selectively aligned with the downflow conduits in response to a clock signal of predetermined frequency.
- a unit for forming mats of shredded tobacco on a multiple-rod cigarette manufacturing machine as claimed in claim 4 and, preferably, in any one of the following Claims depending directly or indirectly on claim 4.
- Number 1 in the accompanying drawing indicates as a whole a dual-rod cigarette manufacturing machine, which comprises an input portion defined by a unit 2 for forming two mats 3 of shredded tobacco on the underside surface of respective parallel conveyor belts 4 made of material permeable to air, and which run directly beneath respective suction boxes 5 for retaining mats 3 on respective conveyor belts 4 by suction.
- Unit 2 comprises a loading hopper 6 for an input stream 7 of shredded tobacco fed to the top of hopper 6 by a known tank conveyor 8 .
- Beneath hopper 6 unit 2 comprises two side by side, substantially parallel downflow conduits 9 in a plane parallel to the drawing plane.
- Each downflow conduit 9 is closed at the bottom by a respective carding assembly 10 comprising a carding roller 11 rotating about an axis 12 in a direction 13 , and a known thrower roller 14 substantially tangent to respective carding roller 11 and rotating about an axis 15 parallel to axis 12 in an opposite direction 16 to direction 13 .
- each downflow conduit 9 communicates, via relative carding assembly 10 , with the bottom end of a relative upflow conduit 17 closed at the top output end by relative conveyor belt 4 .
- a respective intermediate partition 18 defines, to the side of the input end of relative upflow conduit 17 , a respective conduit 19 , which flows at the top into relative upflow conduit 17 at a given distance from relative conveyor belt 4 , and communicates at the bottom with a respective outlet of a compressed air supply circuit 20 .
- switch conduit 22 alignable selectively with the inputs of the two downflow conduits 9 .
- switch conduit 22 extends between two fixed walls 23 (only one shown) parallel to the plane of the accompanying drawing; and switch device 21 comprises two valve members 24 laterally defining switch conduit 22 and forming the cranks of an articulated parallelogram 25 , which also comprises a connecting rod 26 connecting the two valve members 24 .
- Each valve member 24 in section, is substantially in the form of an isosceles triangle, and is hinged at a top vertex to fixed walls 23 , which define the frame of articulated parallelogram 25 , to oscillate about a respective axis 27 parallel to axes 12 and 15 .
- Valve members 24 are defined laterally by respective flat facing surfaces 28 , which are maintained parallel by connecting rod 26 and define, between them and together with fixed walls 23 , switch conduit 22 .
- each valve member 24 is defined by a cylindrical surface portion 29 , which, as switch device 21 oscillates, closes a respective downflow conduit 9 when switch conduit 22 is aligned with the other downflow conduit 9 .
- Switch device 21 is powered by a motor 30 , which is connected to one of the two axes 27 to oscillate articulated parallelogram 25 between two positions aligning switch conduit 22 with one or the other of the two downflow conduits 9 , and is controlled by a logic unit 31 , which activates motor 30 to switch conduit 22 between said two positions following the emission of a “minimum level” signal and “maximum level” signal emitted by a level detecting device 32 comprising a number of sensors 33 along each downflow conduit 9 .
- the switch is made when the level of shredded tobacco in the downflow conduit 9 not being supplied at the time reaches the “minimum level”; or after a given supply time of one of downflow conduits 9 , providing the other downflow conduit 9 in the meantime does not reach the “minimum level”; or when the downflow conduit 9 being supplied reaches the “maximum level”.
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000125A ITBO20030125A1 (it) | 2003-03-07 | 2003-03-07 | Metodo ed unita` per la realizzazione contemporanea |
ITB02003A000125 | 2003-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20040216751A1 true US20040216751A1 (en) | 2004-11-04 |
Family
ID=32800662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/795,194 Abandoned US20040216751A1 (en) | 2003-03-07 | 2004-03-05 | Method and unit for simultaneously forming multiple tobacco mats |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040216751A1 (zh) |
EP (1) | EP1454542B1 (zh) |
CN (1) | CN1323618C (zh) |
AT (1) | ATE311773T1 (zh) |
DE (1) | DE602004000210T2 (zh) |
IT (1) | ITBO20030125A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030217755A1 (en) * | 2002-05-21 | 2003-11-27 | Hauni Maschinenbau Ag | Arrangement and process for the assembly of at least two tobacco rods in a cigarette rod maker |
US20060207615A1 (en) * | 2005-03-18 | 2006-09-21 | Hauni Maschinenbau Ag, | Retaining height regulation |
US20110088705A1 (en) * | 2004-12-09 | 2011-04-21 | Uwe Werner Ehling | Defibration of Tobacco Material |
JP2012518426A (ja) * | 2009-02-26 | 2012-08-16 | ジー.デー ソチエタ ペル アツィオニ | 紙巻たばこ製造機にタバコ細片の流れを与えるユニット |
CN105292985A (zh) * | 2015-10-12 | 2016-02-03 | 云南昆船设计研究院 | 一种烟片复烤机均匀喂料的方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITBO20060387A1 (it) * | 2006-05-22 | 2006-08-21 | Gd Spa | Macchina confezionatrice per la realizzazione contemporanea di due bachi continui di sigaretta. |
IT1393293B1 (it) * | 2009-02-26 | 2012-04-20 | Gd Spa | Unità di alimentazione di un flusso di particelle di tabacco in una macchina confezionatrice di sigarette. |
PL217391B1 (pl) * | 2011-08-02 | 2014-07-31 | Int Tobacco Machinery Poland | Zespół zaworowy do napełniania kątowych kanałów transportowych przepływem masowym elementów prętopodobnych |
EP3375302B1 (de) | 2017-03-17 | 2019-09-25 | Hauni Maschinenbau GmbH | Anordnung und verfahren zum aufbau von wenigstens zwei fasersträngen in einer strangmaschine der tabak verarbeitenden industrie |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4696311A (en) * | 1984-12-21 | 1987-09-29 | Imperial Group Public Limited Company | Forming a rod of smokable material |
US4848369A (en) * | 1987-03-28 | 1989-07-18 | Korber Ag | Method of and machine for simultaneously making two or more rods from fibrous material |
US4889138A (en) * | 1986-06-11 | 1989-12-26 | Korber Ag | Method of and apparatus for simultaneously making plural tobacco streams |
US5009238A (en) * | 1988-11-22 | 1991-04-23 | Korber Ag | Apparatus for supplying fibrous material to machines for simultaneously producing a plurality of cigarette rods |
US5022415A (en) * | 1988-12-06 | 1991-06-11 | G.D. Societa Per Azioni | Machine for simultaneously manufacturing two continuous cigarette rods |
US20020017307A1 (en) * | 2000-07-20 | 2002-02-14 | Ralf Barkmann | Method of and apparatus for homogenizing streams of particulate fibrous material |
US20030217755A1 (en) * | 2002-05-21 | 2003-11-27 | Hauni Maschinenbau Ag | Arrangement and process for the assembly of at least two tobacco rods in a cigarette rod maker |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3742251A1 (de) * | 1987-12-12 | 1989-06-22 | Hauni Werke Koerber & Co Kg | Strangmaschine zum herstellen eines doppelstrangs der tabakverarbeitenden industrie |
-
2003
- 2003-03-07 IT IT000125A patent/ITBO20030125A1/it unknown
-
2004
- 2004-03-05 AT AT04100914T patent/ATE311773T1/de not_active IP Right Cessation
- 2004-03-05 US US10/795,194 patent/US20040216751A1/en not_active Abandoned
- 2004-03-05 DE DE602004000210T patent/DE602004000210T2/de not_active Expired - Lifetime
- 2004-03-05 EP EP04100914A patent/EP1454542B1/en not_active Expired - Lifetime
- 2004-03-08 CN CNB2004100064616A patent/CN1323618C/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4696311A (en) * | 1984-12-21 | 1987-09-29 | Imperial Group Public Limited Company | Forming a rod of smokable material |
US4889138A (en) * | 1986-06-11 | 1989-12-26 | Korber Ag | Method of and apparatus for simultaneously making plural tobacco streams |
US4848369A (en) * | 1987-03-28 | 1989-07-18 | Korber Ag | Method of and machine for simultaneously making two or more rods from fibrous material |
US5009238A (en) * | 1988-11-22 | 1991-04-23 | Korber Ag | Apparatus for supplying fibrous material to machines for simultaneously producing a plurality of cigarette rods |
US5022415A (en) * | 1988-12-06 | 1991-06-11 | G.D. Societa Per Azioni | Machine for simultaneously manufacturing two continuous cigarette rods |
US20020017307A1 (en) * | 2000-07-20 | 2002-02-14 | Ralf Barkmann | Method of and apparatus for homogenizing streams of particulate fibrous material |
US20030217755A1 (en) * | 2002-05-21 | 2003-11-27 | Hauni Maschinenbau Ag | Arrangement and process for the assembly of at least two tobacco rods in a cigarette rod maker |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030217755A1 (en) * | 2002-05-21 | 2003-11-27 | Hauni Maschinenbau Ag | Arrangement and process for the assembly of at least two tobacco rods in a cigarette rod maker |
US20110088705A1 (en) * | 2004-12-09 | 2011-04-21 | Uwe Werner Ehling | Defibration of Tobacco Material |
US8820328B2 (en) * | 2004-12-09 | 2014-09-02 | British American Tobacco (Germany) Gmbh | Defibration of tobacco material |
US20060207615A1 (en) * | 2005-03-18 | 2006-09-21 | Hauni Maschinenbau Ag, | Retaining height regulation |
JP2012518426A (ja) * | 2009-02-26 | 2012-08-16 | ジー.デー ソチエタ ペル アツィオニ | 紙巻たばこ製造機にタバコ細片の流れを与えるユニット |
CN105292985A (zh) * | 2015-10-12 | 2016-02-03 | 云南昆船设计研究院 | 一种烟片复烤机均匀喂料的方法 |
Also Published As
Publication number | Publication date |
---|---|
DE602004000210T2 (de) | 2006-08-03 |
DE602004000210D1 (de) | 2006-01-12 |
ATE311773T1 (de) | 2005-12-15 |
CN1323618C (zh) | 2007-07-04 |
ITBO20030125A1 (it) | 2004-09-08 |
EP1454542A1 (en) | 2004-09-08 |
EP1454542B1 (en) | 2005-12-07 |
CN1539346A (zh) | 2004-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: G.D SOCIETA' PER AZIONI, ITALY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MENGOLI, FAUSTO;SARTONI, MASSIMO;DRAGHETTI, FIORENZO;REEL/FRAME:015554/0490 Effective date: 20040527 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |