EP1534091A1 - Vorrichtung zum herstellen von filterzigaretten - Google Patents
Vorrichtung zum herstellen von filterzigarettenInfo
- Publication number
- EP1534091A1 EP1534091A1 EP03797222A EP03797222A EP1534091A1 EP 1534091 A1 EP1534091 A1 EP 1534091A1 EP 03797222 A EP03797222 A EP 03797222A EP 03797222 A EP03797222 A EP 03797222A EP 1534091 A1 EP1534091 A1 EP 1534091A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- test
- filter
- openings
- drum
- cigarettes
- 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.)
- Granted
Links
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 93
- 238000012360 testing method Methods 0.000 claims abstract description 129
- 238000007789 sealing Methods 0.000 claims description 38
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 210000000056 organ Anatomy 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 4
- 239000000109 continuous material Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 241000208125 Nicotiana Species 0.000 description 14
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
- A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
- A24C5/3418—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes by pneumatic means
Definitions
- the invention relates to a device for producing filter cigarettes, in which an outer filter jacket - covering paper - has openings which are made through a perforation element in the filter jacket, the openings by introducing a flowing medium - test air - at one end of the filter and measuring the air exiting through the openings - outlet air - must be checked.
- the openings in the filter of a filter cigarette or in the filter paper serve to supply outside air while enjoying the cigarette. It is important that the amount of external air supplied in this way is exactly adhered to. For this it is necessary that the openings in the covering paper are coordinated in terms of number and size.
- the openings are made in the covering paper by a perforation member, in particular by a laser perforation member.
- the object of the invention is to improve the quality of the manufacture of filter cigarettes in particular and to automatically transfer any quality defects to the manufacturing process.
- the device according to the invention for producing filter cigarettes is characterized by the following features:
- the perforation member is arranged in the area of the device for producing the filter cigarettes
- the perforation member is adjustable with regard to the number and / or size of the openings to be made on the filter jacket
- the perforation organ is connected to the computer and this can be adjusted according to the measurement results with regard to the number of openings to be made and / or the size thereof.
- the filter cigarettes are checked in the manufacturing device after the openings have been made, in particular also with regard to the correct formation of the openings.
- the results are converted into signals using pressure measuring devices or measuring probes and fed to a computer.
- the perforation organ in particular the laser perforation organ, is connected to the latter in such a way that the perforation unit is automatically adjusted in terms of the size and / or number of openings to be produced per filter in accordance with the measurements.
- a closed control circuit is therefore formed, which is based on constant or cyclical testing of the manufactured cigarettes.
- the perforation member in particular laser perforation member, can act in the area of the finished filter cigarettes, but alternatively, in the area of the device, it can be assigned to a station for attaching the topping paper and positioned above a web for the topping paper so that the topping paper is immediately before attachment perforated on the cigarettes as well as immediately before cutting off toppings.
- the invention relates to a special embodiment of the test device with the formation of delimited test chambers in the area of a test turret.
- FIG. 1 shows a detail of a cigarette manufacturing machine with a schematic representation of conveying and manufacturing members in a side view
- FIG. 2 shows a detail of the device according to FIG. 1, namely a test conveyor in a side view
- FIG. 3 shows a cross section through the detail according to FIG. 2 in the cutting plane III-III, on an enlarged scale
- FIG. 4 shows a cross section through the detail according to FIG. 3 in the section plane IV-IV
- FIG. 5 shows a cross section through the detail according to FIG. 3 in the section plane VV
- FIG. 6 shows a schematic representation of the testing of cigarettes and the evaluation of Test signals
- Fig. 7 shows another embodiment of a test drum in a schematic
- Fig. 8 shows a cross section through a portion of the test drum in a sectional plane Vlll-Vlll of Fig. 7 on an enlarged scale. It is about the manufacture or testing of filter cigarettes 10. These consist of a tobacco rod 11 and a filter 12 attached to this on one side.
- Tobacco stick 11 and filter 12 are connected by an (outer) covering paper.
- the latter has a circumferential row of openings 13 for the supply of outside air into the filter 12 during smoking (ventilation holes).
- the filter cigarettes 10 are manufactured by a cigarette maker (maker). A sub-assembly of this is shown in simplified form in FIG. 1, namely a filter attachment (tipper).
- a filter attachment essentially consists of a main drum 14 with hollows for receiving cigarettes or filters on the circumference.
- tobacco sticks are cut, connected with a (double-long) filter rod and then cut in the middle, so that finished filter cigarettes 10 leave the main drum 14 via a take-up drum 15.
- the filter cigarettes 10 are provided with the openings 13.
- a perforation member in particular a laser perforation member 17, is positioned above the intermediate drum 16, which at the same time provides the openings 13 with the respectively facing (two) filters 12 of the two filter cigarettes 10 lying in a common depression.
- the filter cigarettes 10 are rotated.
- the filter cigarettes 10 which have been completed to this extent are transferred from the intermediate drum 16 to a test conveyor, namely to a test drum 18.
- This has troughs 19 arranged along the circumference, each for receiving a (single) filter cigarette 10.
- test drum 18 and a cigarette turner 20 of known design ensures that the filter cigarettes 10 are isolated, every other filter cigarette 10 is turned over and are thus passed to the test drum 18.
- the cigarettes are checked for correct formation with the aid of a test medium, in particular with the aid of (compressed) air.
- the filter cigarettes 10 are transported approximately along a lower circumferential half of the test drum 18. In this lower area, a test section or a test station is formed, which is offset in the conveying direction with respect to an (imaginary) vertical center plane of the test drum 18.
- test drum 18 is specially designed in the region of the troughs 19 in such a way that, in cooperation with the sealing conveyor 21, which is likewise designed in a special way, test sections which are delimited and sealed from one another are produced in the longitudinal direction of the filter cigarette 10.
- Test drum 18 or troughs 19 on the one hand and seal conveyor 21 on the other hand are designed such that test chambers 22, 23 are formed along the filter cigarette 10, which enable the independent testing of selected sections of the filter cigarette 10.
- the test drum 18 or its troughs 19 are designed such that part of the test chamber 22, 23, namely approximately one (cross-sectional) half, is created by a (cylindrical) expansion or depression of the troughs 19.
- the depressions in the troughs 19 and the test chambers 22, 23 formed in this way are delimited from one another by means of radially directed webs 24.
- Further sealing or connecting members interact with the test drum 18 and seal conveyor 21.
- These are caps 25, 26 made of elastic material, in particular rubber. These are effective on both sides of the test cylinder 18 and connected to it or each movable by an independent conveyor. The caps 25, 26 are moved to the two ends of the filter cigarettes 10 and placed on them at least in the region of the test section, as shown in Fig. 3.
- the caps 25, 26 are provided with a channel or a bore 27 for the supply of compressed air or for the discharge of outlet air.
- Supply lines 48 or discharge lines 47 for compressed air or outlet air are connected to the caps 25, 26.
- the test drum 18 is provided at the ends of the troughs 19 with a radially inwardly facing, semicircular collar 28, 29, to which the caps 25, 26 seal during the test.
- the caps 25, 26 perform another task. When the cigarettes or filter cigarettes are handed over to the test drum 18 - in the lower region of the test drum 18 - the caps 25, 26 are moved to the ends of the filter cigarettes 10 by axial displacement and are placed on them. In the area of the test drum 18, the caps 25, 26 thus take over the function of supporting and centering the filter cigarettes 10 in the troughs 19.
- the seal conveyor 21 is designed as an external addition to the troughs 19 of the test drum 18.
- the seal conveyor 21 runs over three deflection rollers 30, 31, 32.
- Two deflection rollers 31, 32 are positioned adjacent to the circumference of the test drum 18, so that the seal conveyor 21, which is made of elastic material, is pressed against it along a circumferential section of the test drum 18, namely with a test run 33.
- the seal conveyor 21 can also be attached in the upper region of the test drum 18 or as a straight-running sealing band which is guided tangentially to the circumference of the test drum 18.
- Another alternative is to design the seal conveyor as a seal drum.
- individual, radially displaceable plungers can cooperate with the test drum 18 as sealing members.
- the seal conveyor 21 is formed with counter troughs 34. With regard to the definition of the test chambers 22, 23, these correspond to the troughs 19 of the test drum 18. Accordingly, an outer collar 35, 36 of the seal conveyor 21 is sealingly applied to the caps 25, 26 in the region of the test section, namely in the region of the test run 33. Opposite the web 24, a counter web 37 is formed, which together with the web 24 forms a circumferential sealing ring and thus delimits the test chamber 22 from the test chamber 23.
- the counter troughs 34 are designed corresponding to the troughs 19, that is to say with depressions or extensions relative to the filter cigarette 10, so that the test chambers 22, 23 surround the filter cigarette 10 all around and have a circular cross section.
- the seal conveyor 21 is constructed in a special way, namely it consists of a resilient pulling strand 38 and an elastic sealing layer 39 applied thereon.
- two areas of the filter cigarette 10 are checked independently, namely the tobacco rod 11 on the one hand and the filter 12 on the other.
- the sealing members namely web 24 and counter web 37, are positioned in the area of a parting plane between tobacco rod 11 and filter 12.
- Test air or compressed air is introduced on the filter side into the filter cigarette 10 via the cap 25.
- Test air exits filter 12 into test chamber 22 through openings 13.
- An outlet bore 40 for the outlet air to be tested is connected to this.
- the exit bore 40 is formed in the area of the test drum 18 as an arcuate channel, but can alternatively also be provided in the area of the sealing conveyor 21.
- the outlet bore 40 is connected to a measuring device, in particular a measuring probe, for checking the outlet air.
- the test air introduced into the filter cigarette 10 reaches the area of the tobacco rod 11. Any losses which occur in this area are checked by the outlet air received at the free end of the tobacco rod 11, that is to say the test air exiting through the bore 27 in the cap 26.
- the sealing conveyor 21 extends only in the area of the filter 12. The tobacco rod 11 is exposed on the radially outer side.
- the sealing conveyor 21 can alternatively extend over the full width of the test drum 18 or the filter cigarette 10. In this case, air escaping laterally in the area of the tobacco rod 11 is discharged via an outlet bore 41 and guided to a test probe.
- the separate sealing conveyor 21 is replaced by sealing members connected to the test drum 18, which are assigned to each trough 19 and are moved during the rotation of the test drum 18, namely from a retracted starting position into a sealing position with formation of the test chambers 22, 23.
- Flap-like sealing pieces 42 are pivotally mounted on the test drum 18. Each sealing piece 42 can be moved from a transversely axially directed starting position (dashed lines in FIG. 8) into a sealing position, bearing against the test drum 18 or the filter cigarette 10.
- the sealing piece 42 is positioned in such a way that the filter cigarettes 10 are free and can approach the circumference of the test drum 18 freely in the radial direction and can be inserted into the troughs 19. Likewise, the tested cigarettes are removed from the test drum in approximately the same area (FIG. 7, right).
- the sealing pieces 42 are designed in such a way that test chambers 22, 23 are formed in cooperation with the test drum 18.
- a sealing piece 42 is provided, which creates a test chamber 22 only in the area of the filter 12.
- the sealing piece 42 forms a sealing lip 43 on the free edge, which is the web 24 of the Test drum 18 is opposite and encloses the filter cigarette 10 or the filter 12 in a semicircular shape, so that in addition to the web 24, an all-round, closed seal of the filter-side test chamber 22 is created.
- the sealing piece 42 is accordingly designed in such a way that on the side facing the filter cigarette 10 there is in each case a cavity which is semicircular in cross section and which complements the corresponding cavity of the troughs 19.
- test chamber 22 This also creates a test chamber 22 with a circular cross-section.
- the movement of the test pieces 42 takes place analogously to the rotation of the test turret 18, in particular by (stationary) cam tracks which guide the sealing piece 42 from the starting position (transverse axial) into the sealing position (axially parallel) and move back.
- the individual sealing pieces 42 can be pivoted about a pivot bearing or hinge joint 53, specifically from a starting position shown transversely axially directed by dashed lines into the sealing position, bearing against filter cigarette 10 or web 24.
- FIG. 6 The structure of a special test system for filter cigarettes 10 is shown schematically in FIG. 6.
- a computer 44 is assigned to the test drum 18, to which test signals are fed.
- a plurality of test chambers 22, 23 are formed, namely two test chambers 22 in the area of the filter 12 and a further test chamber 23 in the area of the tobacco rod 11.
- Each test area or each test chamber 22, 23 is via a line for the outlet air, namely an outlet line 45 connected to an associated pressure meter 46 or a pressure probe.
- dashed lines show organs that can optionally be used, namely the division of the test area of the filter cigarettes 10 into two test chambers and the formation of a further test chamber 23 in the area of the tobacco rod 11.
- an outlet line 47 connects, specifically to the cap 26. This also leads to a pressure meter 46 (pressure probe).
- All pressure gauges 46 are connected to the computer 44 via signal lines, so that the data from the pressure gauges 46 can be fed to the common computer 44 and processed here.
- a test gas in particular compressed air
- a control valve 49 is arranged in the feed line 48 in order to regulate the pressure of the test air depending on the specifications of the computer 44.
- the procedure is such that after the caps 25, 26 have been attached to the ends of the filter cigarette, test air is introduced into the cigarettes via the feed line 48, so that any air pressure fluctuations at the test point - approximately corresponding to the cutting plane III-III in FIG. 2 - have calmed down.
- the actual test air is therefore only supplied briefly, in cycles and precisely controlled by the control valve.
- the air supply is then switched off.
- a branch line is connected to the feed line 48.
- This branch line 50 leads to a further pressure meter 46, which is also connected to the computer 44.
- the measured data and quantities are compared in computer 44 with target values. These can be automatically provided to the computer 44 by a machine controller 51 via a line 52.
- the computer 44 in turn forwards the determined data, namely in particular deviations from target values, to the machine controller 51 or alternatively directly to independently operating units, for example to the laser 12.
- the changes required in the manufacture of the tobacco sticks 11 and / or the filters 12 are managed during production.
- Data determined by the computer 44 about the properties of the cigarettes or filter cigarettes 10 can be evaluated in such a way that error tendencies are determined and changes are then made to the production and other units. It is also possible to set up a permanent control loop in such a way that the measured values constantly or from time to time lead to an adjustment of the production parameters. These in turn bring about a change in the measured properties of the filter cigarettes 10, with the effect of a change in the measured data. Accordingly, a closed control loop is created, which leads to a possibly necessary adjustment of the perforation member, in particular the laser perforation member 17, through constant or cyclical testing of the cigarettes, in particular the air escaping in the area of the openings 13.
- the perforation of the covering paper can be carried out in the region of the device on a continuous material web 54 of the covering paper, a laser perforation member 17 being arranged above a particularly horizontal conveying section of the material web 54 (FIG. 1, dashed lines) ).
- the perforation member in particular the laser perforation member 17, is connected to the computer 44 and the number and / or size of the openings to be produced can be adjusted.
- the material web 54 leads to an aggregate for producing the covering paper by separating it from the material web 54 and for attaching it to the cigarettes or to a double cigarette.
- This rolling unit 55 is of a known type. LIST OF REFERENCE NUMBERS
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10239195A DE10239195A1 (de) | 2002-08-21 | 2002-08-21 | Verfahren und Vorrichtung zum Prüfen von (Filter-)Zigaretten |
| DE10239195 | 2002-08-21 | ||
| PCT/EP2003/008524 WO2004026051A1 (de) | 2002-08-21 | 2003-08-01 | Vorrichtung zum herstellen von filterzigaretten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1534091A1 true EP1534091A1 (de) | 2005-06-01 |
| EP1534091B1 EP1534091B1 (de) | 2007-06-27 |
Family
ID=31197409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03797222A Expired - Lifetime EP1534091B1 (de) | 2002-08-21 | 2003-08-01 | Vorrichtung zum herstellen von filterzigaretten |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20060157073A1 (de) |
| EP (1) | EP1534091B1 (de) |
| JP (1) | JP2005536227A (de) |
| CN (1) | CN100393253C (de) |
| AT (1) | ATE365473T1 (de) |
| AU (1) | AU2003260350A1 (de) |
| BR (1) | BR0306139A (de) |
| DE (2) | DE10239195A1 (de) |
| WO (1) | WO2004026051A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2011409A1 (de) * | 2007-07-04 | 2009-01-07 | Philip Morris Products S.A. | Vorrichtung zur Messung des Zugwiderstands |
| PL2902149T3 (pl) * | 2012-10-29 | 2017-09-29 | Japan Tobacco, Inc. | Laserowy perforator |
| CN110403231B (zh) * | 2019-08-28 | 2022-02-18 | 贵州大学 | 一种爆珠香烟过滤嘴中爆珠质量检测系统及其检测方法 |
| CN115281368B (zh) * | 2022-08-02 | 2024-03-29 | 常德烟草机械有限责任公司 | 一种烟管封口装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121595A (en) | 1977-02-09 | 1978-10-24 | Hauni-Werke Korber & Co. Kg. | Apparatus for increasing the permeability of wrapping material for rod-shaped smokers products |
| US4888977A (en) | 1988-01-28 | 1989-12-26 | Korber Ag | Method of ascertaining the rate of fluid flow through the ventilation zones of rod-shaped articles of the tobacco processing industry |
| US5259401A (en) | 1991-02-27 | 1993-11-09 | Korber Ag | Method of and apparatus for perforating cigarette paper and the like |
| US5284165A (en) | 1991-09-25 | 1994-02-08 | G.D Societa' Per Azioni | Statistical ventilation control device for ventilated cigarettes |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2234094C2 (de) * | 1972-07-12 | 1986-01-16 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Verfahren und Vorrichtung zum Prüfen der Umhüllung von stabförmigen Artikeln der tabakverarbeitenden Industrie |
| GB1469504A (en) * | 1973-05-08 | 1977-04-06 | Molins Ltd | Testing of cigarettes |
| GB1469924A (en) * | 1973-05-08 | 1977-04-06 | Molins Ltd | Testing of cigarettes |
| GB1496783A (en) * | 1974-01-18 | 1978-01-05 | Molins Ltd | Manufacture of cigarettes |
| GB1472068A (en) * | 1974-01-31 | 1977-04-27 | Molins Ltd | Manufacture of cigarettes |
| GB1564313A (en) * | 1976-03-16 | 1980-04-10 | Molins Ltd | Cigarettes |
| LU75989A1 (de) * | 1976-10-13 | 1977-05-25 | ||
| DE2734643A1 (de) * | 1976-10-13 | 1978-04-20 | Hauni Werke Koerber & Co Kg | Verfahren und maschine zum herstellen stabfoermiger rauchartikel mit einem eine definierte luftdurchlaessigkeit aufweisenden huellmaterial |
| DE2750038A1 (de) * | 1977-11-09 | 1979-05-10 | Hauni Werke Koerber & Co Kg | Verfahren und anordnung zum steuern des perforierens von zigaretten oder anderen stabfoermigen rauchartikeln |
| JPS6025571Y2 (ja) * | 1979-08-16 | 1985-07-31 | 日本たばこ産業株式会社 | ベントたばこの側面流入量測定器 |
| DE7924741U1 (de) * | 1979-08-29 | 1980-02-07 | B.A.T. Cigaretten-Fabriken Gmbh, 2000 Hamburg | Einrichtung zum pruefen von zigaretten o.dgl. |
| IT1151459B (it) * | 1979-11-29 | 1986-12-17 | Molins Ltd | Dispositivo perforatore per sigarette ventilate e di regolazione della loro ventilazione |
| IT1136116B (it) * | 1980-01-29 | 1986-08-27 | Cir Spa Divisione Sasib | Metodo e dispositivo per il controllo elettropneumatico della permeabilita di sigarette ventilate |
| GB8307539D0 (en) * | 1983-03-18 | 1983-04-27 | Molins Plc | Cigarette manufacture |
| GB2137068B (en) * | 1983-03-18 | 1986-09-10 | Molins Plc | Cigarette manufacture |
| DE3414247C2 (de) * | 1983-04-30 | 1994-09-08 | Hauni Werke Koerber & Co Kg | Vorrichtung zum Messen des Durchmessers von strang- oder stabförmigen Erzeugnissen der tabakverarbeitenden Industrie |
| IT1183577B (it) * | 1984-05-24 | 1987-10-22 | Hauni Werke Koerber & Co Kg | Procedimento e dispositivo per controllare sigarette |
| DE3523598A1 (de) * | 1984-07-26 | 1986-02-06 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Verfahren und vorrichtung zur qualitaetskontrolle von stabfoermigen erzeugnissen der tabakverarbeitenden industrie |
| DE3901381A1 (de) * | 1988-01-28 | 1989-08-10 | Hauni Werke Koerber & Co Kg | Verfahren und vorrichtung zum bestimmen des ventilationsgrades von stabfoermigen artikeln der tabakverarbeitenden industrie |
| JP2505293B2 (ja) * | 1989-12-08 | 1996-06-05 | 日本たばこ産業株式会社 | 穿孔装置 |
-
2002
- 2002-08-21 DE DE10239195A patent/DE10239195A1/de not_active Withdrawn
-
2003
- 2003-08-01 AT AT03797222T patent/ATE365473T1/de not_active IP Right Cessation
- 2003-08-01 CN CNB038197804A patent/CN100393253C/zh not_active Expired - Fee Related
- 2003-08-01 DE DE50307575T patent/DE50307575D1/de not_active Expired - Lifetime
- 2003-08-01 EP EP03797222A patent/EP1534091B1/de not_active Expired - Lifetime
- 2003-08-01 BR BR0306139-6A patent/BR0306139A/pt not_active IP Right Cessation
- 2003-08-01 AU AU2003260350A patent/AU2003260350A1/en not_active Abandoned
- 2003-08-01 WO PCT/EP2003/008524 patent/WO2004026051A1/de not_active Ceased
- 2003-08-01 JP JP2004536921A patent/JP2005536227A/ja not_active Ceased
- 2003-08-01 US US10/525,071 patent/US20060157073A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121595A (en) | 1977-02-09 | 1978-10-24 | Hauni-Werke Korber & Co. Kg. | Apparatus for increasing the permeability of wrapping material for rod-shaped smokers products |
| US4888977A (en) | 1988-01-28 | 1989-12-26 | Korber Ag | Method of ascertaining the rate of fluid flow through the ventilation zones of rod-shaped articles of the tobacco processing industry |
| US5259401A (en) | 1991-02-27 | 1993-11-09 | Korber Ag | Method of and apparatus for perforating cigarette paper and the like |
| US5284165A (en) | 1991-09-25 | 1994-02-08 | G.D Societa' Per Azioni | Statistical ventilation control device for ventilated cigarettes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1674798A (zh) | 2005-09-28 |
| AU2003260350A1 (en) | 2004-04-08 |
| DE10239195A1 (de) | 2004-03-04 |
| JP2005536227A (ja) | 2005-12-02 |
| EP1534091B1 (de) | 2007-06-27 |
| US20060157073A1 (en) | 2006-07-20 |
| WO2004026051A1 (de) | 2004-04-01 |
| CN100393253C (zh) | 2008-06-11 |
| BR0306139A (pt) | 2004-10-19 |
| ATE365473T1 (de) | 2007-07-15 |
| DE50307575D1 (de) | 2007-08-09 |
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