EP0301868A1 - Tobacco feed apparatus - Google Patents

Tobacco feed apparatus Download PDF

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Publication number
EP0301868A1
EP0301868A1 EP88306975A EP88306975A EP0301868A1 EP 0301868 A1 EP0301868 A1 EP 0301868A1 EP 88306975 A EP88306975 A EP 88306975A EP 88306975 A EP88306975 A EP 88306975A EP 0301868 A1 EP0301868 A1 EP 0301868A1
Authority
EP
European Patent Office
Prior art keywords
tobacco
roller
mass flow
operable
rollers
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Withdrawn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
EP88306975A
Other languages
German (de)
English (en)
French (fr)
Inventor
William John Stone
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.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co 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 British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Publication of EP0301868A1 publication Critical patent/EP0301868A1/en
Withdrawn legal-status Critical Current

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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
    • A24C5/397—Tobacco feeding devices with means for regulating the tobacco quantity

Definitions

  • the invention the subject of the present application relates to the feeding of particulate tobacco.
  • the present invention provides tobacco feed apparatus comprising a tobacco reservoir zone, variable delivery tobacco extraction means at a lower end of said zone, and mass flow determination means operable to determine the mass flow rate of tobacco extracted from said zone by said extraction means and to supply a delivery rate control signal to said extraction means.
  • the apparatus preferably includes variable speed drive means operable to drive said extraction means, said mass flow determination means being operable to supply a speed control signal to said drive means.
  • the tobacco feed apparatus comprises an upwardly extending container 1 which provides a tobacco reservoir zone 2.
  • the container 1 is of rectangular configuration, a lesser dimension side of the container 1 being viewed in the drawing.
  • Reference numeral 3 designates the upper surface of a body of particulate tobacco in the reservoir zone 2.
  • a belt conveyer 4 is operable to convey tobacco to the zone 2.
  • Extraction means, generally designated 5, of the feed apparatus comprises a first horizontally disposed and rotatively mounted cylindrical roller 6.
  • the roller 6 is located at the lower, outlet end of the reservoir zone 2 and the axis of the roller 6 is somewhat to the right, as viewing the drawing, of the plane of a wall 7 of the container 1.
  • the operative lengthwise dimension of the roller 6 is co-terminous with the width of the container 1.
  • Tobacco engaging pins 8 project radially from the peripheral surface of the roller 6.
  • a curved wall 9, the centre of curvature of which is the axis of the roller 6, extends from the lower end of the wall 7 of the container 1 to a vertically extending wall 10.
  • variable speed electric motor 11 and a drive belt 12 extending between motor 11 and the roller 6, provides variable speed drive means operable to rotate the roller 6 in the direction of the arrow shown thereon.
  • the extraction means 5 further comprises a second roller 13, which roller 13 may be in construction and dimensions, similar to the roller 6.
  • the roller 13 is rotatively mounted parallel to the roller 6, but at a location somewhat lower than that of the roller 6.
  • the roller 13 comprises tobacco engaging pins 14 which project radially of the peripheral surface of the roller 13.
  • the pins 14 of the roller 13 are offset with respect to the pins 8 of the roller 6, the arrangement being such that the pins 8 and 14 interdigitate.
  • a curved wall 15, the centre of curvature of which is the axis of the roller 13, extends from the lower end of the container 1 to an inclined wall 16.
  • An electric motor 17 and a drive belt 18 extending between the motor 17 and the roller 13 provides drive means operable to rotate the roller 13, in the direction of the arrow thereon, at a constant selected velocity significantly greater, suitably at least ten times greater, than the maximum velocity at which the roller 6 is rotated.
  • the meter 19 comprises an impact plate 20 mounted on a shaft 21 extending from a housing 22.
  • roller 6 In operation of the tobacco feed apparatus, roller 6 continuously extracts particulate tobacco from the reservoir zone 2, the tobacco being removed from the pins 8 of the roller 6 by the faster moving pins 14 of the roller 13.
  • the interaction of the pins 8 and 14 also serves to open any tangled elongate tobacco fibres so that the tobacco stream which is directed downwardly by the roller 13 is constituted of opened tobacco particles.
  • the downwardly moving stream of tobacco is directed against the plate 20 of the meter 19 by the inclined wall 16 and a guide plate 23.
  • the horizontal component of the impact of the tobacco stream on the plate 20 is detected by detection means in the housing 22, the detection means being operable to emit continuously an electrical signal proportional to the mass flow rate of the tobacco stream, which signal is compared by comparator means, also located in housing 22, with a pre-set mass-flow rate value. Any difference between the actual and pre-set mass-flow rate of the tobacco gives rise to an electrical signal from the comparator, which latter signal is indicative of the value of the flow rate difference detected.
  • the difference indicative signal passes, via a line 24, to a speed control unit, designated 25, of the motor 11, whereby the speed of the motor is altered in compensation of the flow rate difference.
  • the tobacco feed apparatus thus operates in such a manner that the mass flow rate of the stream of tobacco which passes from the plate 20 of the meter 19 to an off-­take belt conveyer 26 is, within small tolerance limits, the pre-set mass flow rate.
  • the tobacco feed apparatus may be used to provide feeds of gravimetrically metered and opened tobacco in tobacco primary processing or in tobacco article making.
  • the extraction means could comprise two pinned rollers as per the roller 6, the two rollers being located at the same level and being counter-rotated by drive means, the rotation directions suitably being such that the rollers act to extract tobacco from the reservoir zone in an extraction path passing between the rollers.
  • Such extraction means may further comprise a picker roller similar to roller 13, the teeth of which picker roller interdigitate with those of the extraction rollers.
  • Feed apparatus may comprise mass flow rate determination means which operate on principles other than those appertaining to the operation of the meter 19.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP88306975A 1987-07-31 1988-07-28 Tobacco feed apparatus Withdrawn EP0301868A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8718142 1987-07-31
GB878718142A GB8718142D0 (en) 1987-07-31 1987-07-31 Tobacco feed apparatus

Publications (1)

Publication Number Publication Date
EP0301868A1 true EP0301868A1 (en) 1989-02-01

Family

ID=10621594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88306975A Withdrawn EP0301868A1 (en) 1987-07-31 1988-07-28 Tobacco feed apparatus

Country Status (10)

Country Link
EP (1) EP0301868A1 (da)
JP (1) JPH01132365A (da)
AU (1) AU2003888A (da)
BR (1) BR8804018A (da)
DK (1) DK424588A (da)
FI (1) FI883529A7 (da)
GB (2) GB8718142D0 (da)
NZ (1) NZ225573A (da)
PT (1) PT88156A (da)
ZA (1) ZA885496B (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107105759A (zh) * 2015-01-21 2017-08-29 虹霓机械制造有限公司 用于配量烟草的配量装置和方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112034791B (zh) * 2020-07-10 2021-08-17 张家口卷烟厂有限责任公司 薄板烘丝机智能控制系统及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE486909C (de) * 1928-02-23 1929-11-27 Neuerburg Sche Verwaltungsgese Tabakzufuehrungsvorrichtung fuer Zigarettenmaschinen
GB361998A (en) * 1930-09-04 1931-12-03 Imp Tobacco Co Ltd Improvements in or relating to cigarette making machinery
US3903901A (en) * 1968-08-23 1975-09-09 Hauni Werke Koerber & Co Kg Method and apparatus for manipulating tobacco
EP0206491A1 (en) * 1985-05-15 1986-12-30 Rothmans, Benson & Hedges Inc. Control of cigarette rod formation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB801304A (en) * 1956-12-31 1958-09-10 Schenck Gmbh Carl Apparatus for delivering very fine grained loose material
US3631961A (en) * 1968-05-22 1972-01-04 Mauritz L Strydom Regulating the flow of material such as tobacco cut rag
DE2112211C3 (de) * 1971-03-13 1979-10-25 Hauni-Werke Koerber & Co Kg, 2050 Hamburg Verfahren und Anlage zum Aufbereiten von Tabak
DE2621410A1 (de) * 1976-05-14 1977-12-01 Hauni Werke Koerber & Co Kg Vorrichtung zum bilden eines fortlaufenden tabakvlieses zwecks herstellung stabfoermiger artikel der tabakverarbeitenden industrie
DE2841470A1 (de) * 1978-09-23 1980-04-03 Hauni Werke Koerber & Co Kg Verfahren und anordnung zum bilden eines gewichtskonstanten tabakstromes
JPS59151881A (ja) * 1983-02-04 1984-08-30 ケルベル・アクチエンゲゼルシヤフト たばこ加工産業における棒状物品を形成するための方法および装置
DE3309744A1 (de) * 1983-03-18 1984-10-04 Versatec AG, Dietikon Verfahren zur dosierung von lignozellulosehaltigem schuettgut, insbesondere zementgebundener holzspanplatten und vorrichtung zur durchfuehrung des verfahrens
CA1250204A (en) * 1985-05-15 1989-02-21 Rothmans Of Pall Mall Limited Hopperless cigarette making machines
IT1196978B (it) * 1985-08-08 1988-11-25 Hauni Werke Koerber & Co Kg Procedimento e dispositivo per formare un filone di fibre di tabacco o fibre similari

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE486909C (de) * 1928-02-23 1929-11-27 Neuerburg Sche Verwaltungsgese Tabakzufuehrungsvorrichtung fuer Zigarettenmaschinen
GB361998A (en) * 1930-09-04 1931-12-03 Imp Tobacco Co Ltd Improvements in or relating to cigarette making machinery
US3903901A (en) * 1968-08-23 1975-09-09 Hauni Werke Koerber & Co Kg Method and apparatus for manipulating tobacco
EP0206491A1 (en) * 1985-05-15 1986-12-30 Rothmans, Benson & Hedges Inc. Control of cigarette rod formation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107105759A (zh) * 2015-01-21 2017-08-29 虹霓机械制造有限公司 用于配量烟草的配量装置和方法

Also Published As

Publication number Publication date
GB2207336B (en) 1991-11-27
PT88156A (pt) 1989-06-30
GB8818009D0 (en) 1988-09-01
NZ225573A (en) 1990-06-26
FI883529L (fi) 1989-02-01
FI883529A0 (fi) 1988-07-27
JPH01132365A (ja) 1989-05-24
ZA885496B (en) 1989-04-26
DK424588A (da) 1989-04-20
BR8804018A (pt) 1989-02-28
DK424588D0 (da) 1988-07-29
FI883529A7 (fi) 1989-02-01
GB8718142D0 (en) 1987-09-09
GB2207336A (en) 1989-02-01
AU2003888A (en) 1989-02-02

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 19880816

AK Designated contracting states

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17Q First examination report despatched

Effective date: 19900813

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19901228