WO2002076245A1 - Dispositif d'alimentation en tabac hache pour machine a caper - Google Patents

Dispositif d'alimentation en tabac hache pour machine a caper Download PDF

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Publication number
WO2002076245A1
WO2002076245A1 PCT/JP2001/010899 JP0110899W WO02076245A1 WO 2002076245 A1 WO2002076245 A1 WO 2002076245A1 JP 0110899 W JP0110899 W JP 0110899W WO 02076245 A1 WO02076245 A1 WO 02076245A1
Authority
WO
WIPO (PCT)
Prior art keywords
tobacco
separation
passage
cigarette
separation passage
Prior art date
Application number
PCT/JP2001/010899
Other languages
English (en)
Japanese (ja)
Inventor
Fumio Kubo
Hidenori Muramoto
Yoshiaki Ishikawa
Hiroyuki Yoshinari
Original Assignee
Japan Tobacco Inc.
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 Japan Tobacco Inc. filed Critical Japan Tobacco Inc.
Priority to JP2002574770A priority Critical patent/JP3900427B2/ja
Priority to EP01274027A priority patent/EP1371298A1/fr
Publication of WO2002076245A1 publication Critical patent/WO2002076245A1/fr
Priority to US10/665,598 priority patent/US20040055612A1/en

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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
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/185—Separating devices, 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
    • A24C5/1871—Devices for regulating the tobacco quantity

Definitions

  • the present invention relates to an engraving feeding device for feeding an extruded tobacco toward a tobacco band of a cigarette hoist. Akira
  • This type of engraving device writes the tobacco in the process of feeding the tobacco to the tobacco band.
  • the bones in the cut tobacco of the raw material and the cut products (butterfly leaves) at the time of cutting are separated by wind.
  • the engraving feeder generates an airflow toward the tobacco band, and all the tobacco falls uniformly against this airflow.
  • most tobacco rides on the air stream, and forms a fluidized bed with the air stream.
  • relatively heavy tobacco falls through the air stream.
  • heavily cut tobacco mostly bones and butterfly leaves is separated from all tobacco.
  • the heavily cut tobacco that has been primarily separated is further separated into light and heavy ones.
  • the primary separated tobacco is then pumped into an ascending air stream where the relatively light tobacco rises in the air stream and is returned to the fluidized bed described above.
  • heavy objects such as bones and cut pieces fall down against the rising airflow and are finally discharged from the feeding device.
  • the chopping and feeding device of the cigarette hoist of the present invention has a feeding passage extending to the tobacco band of the cigarette hoist, and the cut tobacco is dropped toward the entrance of the feeding passage. Supply chopped tobacco.
  • the chopping feed device generates an air flow toward the tobacco band attraction surface in the feed passage, and blows the chopped tobacco dropped to the inlet of the feed passage by the air flow.
  • the feeding device has a separation chute and a separation passage.
  • the separation shot has an open top near the entrance of the feeding passage and can receive the cut tobacco falling across the air flow. .
  • the separation passage has an upper end opened in the feed passage at a position downstream of the separation shutter and a lower end opened in a downward direction.
  • the engraving feeding device air-tightly separates between the separation chamber and the separation passage, collects the tobacco that has fallen into the separation chute, sends it out to the middle position of the separation passage, and starts from the middle position of the separation passage. Also, an air flow is generated upward toward the feed passage, and outside air is introduced from the lower end.
  • the chopping and feeding device is provided below the intermediate position in the separation passage, and includes a detecting means for detecting whether or not the sent tobacco remains.
  • all the tobacco fed to the tobacco band of the hoist is passed through the air separation process by the air flow, where the heavy engraved primary separation is performed.
  • the tobacco is further sent to a secondary separation process in a separation passage.
  • the cut tobacco is secondarily separated by the outside air flow introduced from the lower end, and the cut tobacco rising with the outside air is returned to the feed passage by the air flow.
  • the tobacco falling against the rising airflow is finally discharged out of the separation passage.
  • the detecting means if the tobacco remains in the separation passage, it is detected by the detecting means.
  • the engraving feeding device of the present invention detects the accumulation of the tobacco in the separation passage, thereby enabling the subsequent measures to be realized at an early stage. As a result, it is possible to prevent a truncation caused by the stoppage of the entire cigarette winding machine due to a stoppage of the entire operation, which can greatly contribute to improvement in cigarette production efficiency and production capacity.
  • the above-described detection means can be realized using an optical sensor.
  • the optical sensor preferably transmits and receives detection light in the width direction between both side walls of the separation passage. If the cut tobacco stays in the separation passage, the cut tobacco will be piled up in the passage one after another. Reacts to. By sensing the inside of the separation passage in the width direction in this way, it is possible to reliably and efficiently detect the retention of the tobacco.
  • the optical sensor may be of a reflection type.
  • a reflecting mirror is provided on one of the side walls defining the width of the separation passage, and an optical sensor is provided on the other side wall.
  • the reflecting mirror has a reflecting surface facing the other side wall, and the optical sensor has a transmitting / receiving surface capable of irradiating the reflecting surface with the detection light and receiving the reflected light.
  • the detecting means include an air blowing means for jetting an air flow along the reflecting surface or the light transmitting / receiving surface.
  • the ejected air flow prevents the reflecting surface or the light transmitting / receiving surface from being covered with fine powder, or removes the fine powder already covering the reflecting surface or the light transmitting / receiving surface.
  • the more practical engraving feeding device further includes alarm means for issuing a predetermined alarm when the detection means detects the accumulation of the tobacco in the separation passage. In this case, the operator of the engraving feeding device can confirm the retention of the engraved tobacco at an early stage. In addition, the operator can appropriately take specific measures thereafter (for example, work to remove stagnation).
  • the engraving feeding device may further include releasing means for releasing the stay of the tobacco in the separation passage when the stay is detected by the detecting means.
  • the stay is automatically released.
  • the continuous operation of the feeding machine can be performed as it is.
  • the operator can recognize the retention at an early stage and remove the retention. In this case, it is not necessary to constantly monitor the accumulation of the tobacco during the night. Furthermore, if the stagnation of the tobacco can be automatically released, the human labor required by the operator can be reduced.
  • FIG. 1 is a diagram schematically showing a configuration of an engraving feeding device of one embodiment
  • FIG. 2 shows the specific structure of the second separation
  • FIG. 3 is a partial cross-sectional view of the engraving and feeding device along the line ⁇ — ⁇ in FIG. 1
  • FIG. 4 is a diagram specifically showing the mounting of the optical sensor
  • FIG. 5 is a sectional view taken along the line V--V in FIG.
  • FIG. 6 is a diagram specifically showing the attachment of the reflecting mirror. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 schematically shows a part of an engraving feeding device according to one embodiment.
  • This engraving feeding device is provided with a heavy cache 2 extending vertically. Heavy Cash 2
  • a needle roller 4 and a pick roller 6 are arranged.
  • the cut tobacco is supplied by being dropped from above the needle opening 4. When the cut tobacco passes between the needle port 4 and the pick roller 6, it is adjusted to a certain amount and dropped into the heavy cache 2.
  • a feeding passage 8 is provided in the engraving feeding device.
  • the feed passage 8 extends laterally from the lower end of the heavy cache 2.
  • a primary damper 10 is arranged just before the entrance of the feeding passage 8. The primary damper 10 blows out jet air laterally below the heavy cache 2, and sends air into the feed passage 8.
  • the feed passage 8 extends in the air blowing direction of the primary damper 10, curves upward along the upper surface of the fluidized bed trough 12, and reaches the adsorption surface of the tobacco band 14.
  • relatively light tobacco is sent into the feed passage 8 by the airflow blown out from the primary damper 10.
  • An air outlet (not shown) is also provided on the curved surface of the fluidized-bed trough 12, and an air flow is formed by jet air blown out therefrom.
  • the tobacco sent into the feed passage 8 forms a fluidized bed toward the tobacco band 14 together with the air flow.
  • the relatively heavy tobacco traverses (passes) the airflow and falls without being fed into the feed passage 8.
  • about 10% of all tobacco is firstly filtered by wind.
  • the separation chute 16 has its upper end opened near the entrance of the feeding passage 8, and the dropped tobacco is received by the separation chute 16.
  • An air locker 18 is connected to the lower end of the separation chute 16, and the tobacco falling into the separation chute 16 is sequentially taken into the air locker 18.
  • the secondary separator 20 extends vertically in the feeding device, and its upper end opens into the feed passage 8 at a position downstream of the separation tube 16 and the lower end opens to the outside air. ing.
  • the upper end is bent in the air blowing direction and is connected to the feed passage 8, and a jet air outlet (not shown) is directed toward the inside of the feed passage 8 from just before. is set up. Since the air in the secondary separator 20 is sucked into the supply passage 8 by the airflow blown out from here, outside air is introduced into the secondary separator 20 from its open lower end. The introduced outside air forms an upward air flow in the second separation room.
  • the secondary separator 20 is also connected to the air rocker 18 at an intermediate position between the upper end and the lower end.
  • a star wheel 22 is arranged in the aeroca 18, and the airtightness between the secondary separator 20 and the separation chute 16 is maintained by six vanes on the outer periphery of the star wheel 22. .
  • the star wheel 22 takes in the tobacco from the separation chute 16 by its rotation, and sweeps it out into the secondary separator 20 sequentially.
  • the tobacco swept into the secondary separator 20 relatively light tobacco is sucked into the feed passage 8 together with the outside air introduced from the lower end, where the tobacco joins the fluidized bed. .
  • about 95% of the tobacco swept into the secondary separator 20 is returned into the feed passage 8.
  • the remaining relatively heavy tobacco, about 5% is piled in an upward airflow, falls through the secondary separation room 20 and is discharged from its open lower end.
  • the amount of tobacco discharged at this time is about 0.5% based on the total supply from the gravity chute 2, and its contents are mainly bones and butterfly leaves.
  • the discharged tobacco is received by the vibrating conveyor 24 and transported to a predetermined processing section.
  • FIG. 2 specifically shows the structure of the second separation 20.
  • the secondary separator 20 has a movable wall 26 and a fixed wall 28, and the movable wall 26 and the fixed wall 28 extend in the width direction inside the engraving feeding device.
  • the movable wall 26 is connected to the parallel link mechanism 30, and when the adjustment lever 32 is moved up and down, the movable wall 26 approaches the fixed wall 28 or is fixed depending on the operation amount. Moving away from wall 28.
  • the opening degree (passage cross-sectional area) of the secondary separator 20 can be adjusted. Is adjusted.
  • the fixed wall 28 is provided with a throttle 34 having a triangular cross section at a position below the outlet of the aeroca 18, and the average flow velocity of the introduced outside air is increased at the throttle 34. .
  • a throttle 34 having a triangular cross section at a position below the outlet of the aeroca 18, and the average flow velocity of the introduced outside air is increased at the throttle 34.
  • FIG. 3 partially shows the inside of the engraving feeding device including the secondary separator 20.
  • the engraving feeding device has a pair of side frames 36, 38 on both sides of the machine body, and these side frames 36, 38 constitute both side walls of the engraving feeding device.
  • the secondary separator 20 extends in the width direction between the side frames 36, 38 on both sides, and therefore, the side frames 36, 38 are on both sides of the secondary separator 20. It also composes the wall.
  • a reflection type optical sensor 40 is attached to one side frame 36, and a reflection mirror 42 for reflecting detection light is attached to the other side frame 38.
  • the optical axis U of the optical sensor 40 is positioned below the sweep port of the air rocker 18, and crosses the inside of the secondary separator 20 in the width direction at a position above the stop 34.
  • the reflection-type optical sensor 40 is easier to adjust the optical axis than the transmission-type sensor, and thus is suitable for the case where the reflection-type optical sensor 40 is installed inside the engraving feeding device as in the present embodiment.
  • FIGS. 4 and 5 specifically show the mounting of the optical sensor 40.
  • the optical sensor 40 is fixed to the outer surface of the side frame 36 via an angle member 44.
  • the side frame 36 is provided with a light transmitting / receiving window 46 corresponding to the position of the detection optical axis L. I have.
  • the transmission cover 46 is inserted into the transmission / reception window 46 from the inside of the secondary separator 20, and the four corners are screwed to the side frame 36.
  • a gasket 50 is attached to the outside, and the space between the outer surface of the optical sensor 40 and the light transmitting / receiving window 46 is sealed by the gasket 50.
  • the deflector 5 is located inside the secondary separator 20 and below the transmission power par 8.
  • the deflector 52 has three upwardly formed air outlets. Pneumatic pressure is supplied to the deflector 52 through an air pipe 54, and the pneumatic pressure is guided to the deflector 52 through the side frame 36.
  • the deflector 52 blows out air from the three air outlets along the surface of the permeation cover 48 to prevent the fine powder from adhering to the surface, or to remove the fine powder once adhered. . Thereby, the optical sensor 40 can transmit and receive the detection light in a favorable state.
  • FIG. 6 illustrates the mounting of the reflector 42 specifically.
  • the reflecting mirror 42 is mounted on the side frame 38 from the inside of the secondary separator 20, and the mirror surface thereof is installed facing the side frame 36. Also side frame
  • a transmission cover 56 is further inserted so as to overlap with the reflection mirror 42. Therefore, the mirror surface of the reflection mirror 42 is covered with the transmission cover 56.
  • the deflector 52 and the air pipe 54 are attached to the side frame 38.
  • the deflector 52 blows out air along the surface of the permeation cover 56 to prevent the fine powder from adhering to the surface or to remove the fine powder once adhered.
  • the reflecting mirror 4 2 becomes an optical sensor
  • the detection light from 40 can be reflected in a favorable state.
  • FIG. 1 An outline of a system for detecting the stay of engraving tobacco using the optical sensor 40 is shown in, for example, FIG.
  • the tobacco is separated by the rising airflow of the outside air introduced from the lower end thereof.
  • the air flow velocity is lower near the side frames 36, 38 than in the center, so that the cut tobacco is not separated smoothly at such a position and tends to stagnate.
  • the passageway of the secondary separation 20 is narrowed, so the tobacco that has become stuck may catch on the throttle 34 and stay there as it is .
  • the retention of such tobacco is the light of the optical sensor 40.
  • the controller 58 detects the stay of the tobacco based on the detection signal from the optical sensor 40.
  • an alarm 60 can be incorporated in the detection system.
  • the alarm 60 for example, an alarm buzzer, an alarm lamp, a display for displaying an alarm message, and the like can be used, and the alarm 60 generates a predetermined alarm based on an operation signal from the controller 58. Emit.
  • the controller 58 outputs an operation signal to the alarm 60 when detecting the stay of the tobacco (hereinafter sometimes abbreviated as “hook”).
  • the operator for example, opens the front cover of the engraving feeder, confirms that the engraving has actually accumulated, and removes it. Since the movable wall 26 is made of a transparent acrylic plate, the inside of the movable wall 26 is easily visible.
  • the detection system can also incorporate means to proactively release the stagnation.
  • the release means is realized by installing an air vibrator 62 on the movable wall 26.
  • the air vibrator 62 operates by receiving pneumatic pressure from the pneumatic device 64, and can apply vibration to the movable wall 26.
  • the controller 58 outputs an operation signal to the pneumatic device 64 when detecting the stagnated time, and drives the air vibrator 62.
  • vibration is applied from the air vibrator 62 to the movable wall 26, the stagnation staying in contact with the inner surface of the movable wall 26 is released.
  • the output control of the operation signal by the controller 58 described above may be performed, for example, by integrating the alarm device 60 and the air vibrator 62. Specifically, when the optical sensor 40 detects the stagnant time, the controller 58 first activates the air pipe breaker 62 to try to release the stagnant air. Then, after the air vibrator 62 is operated for a predetermined time or a predetermined number of times, if the stagnant time is released (that is, if the stagnant time is no longer detected), the controller 58 is activated by the alarm device 6. Without operating 0, the operation of the air vibrator 62 is stopped as it is. On the other hand, if the stagnant time has not yet been released (that is, the stagnant time has continued to be detected), the controller 58 activates the alarm 60, and the controller 60 Release work shall be encouraged. '
  • a timer function can be incorporated in the controller 58 in accordance with the output control of the operation signal described above. For example, when the controller 58 detects a stagnant time, it activates its built-in timer counter to start measuring the resident time, and after a certain period of time, activates the air vibrator 62 and the alarm 62. Let it. At this time, the measurement time by the timer count can be arbitrarily set, for example, from 0 seconds to several seconds. If the time until the controller 58 activates the alarm 62 is set appropriately in advance, the alarm will not be issued frequently due to the short-time retention.
  • the engraving feeding device since the engraving feeding device according to one embodiment has a function of detecting the accumulation of engraving in the secondary separator, the burden of monitoring the engraving by the operator is greatly reduced. Also, in the detection system, the alarm 60 can be activated to prompt the operator to perform the release operation, or the air vibrator 62 can be activated to actively release the stagnation. The stagnation in the evening 20 will not be left for a long time. For this reason, the trajectory leading to the stoppage of the operation of the cigarette hoist is prevented beforehand, which can greatly contribute to the improvement of the operation efficiency.
  • the transmission and reception of the detection light by the optical sensor 40 and the reflection by the reflection mirror 42 are performed in a favorable state, the detection accuracy of the stay by the detection system is high. Thus, there is no malfunction in the detection system, and the reliability of the alarm is also increased.
  • the number of optical sensors 40 is not limited to one, and a plurality of optical sensors may be provided. In this case, for example, by arranging a plurality of optical sensors vertically, it is also possible to detect the accumulated stacking height stepwise.
  • the output control of the operation signal by the controller 58 is changed.For example, the air pipe breaker 62 is operated at the initial stage of the stay, and the operation of the air vibration controller 62 is frequently performed as the lamination progresses.
  • the alarm volume by the alarm device 60, the content of the alarm message, and the like can be changed as the instantaneous stacking height increases stepwise.
  • the optical sensor 40 may employ not only a reflection-type sensor but also a transmission-type sensor, and it is also possible to detect stagnation using other types of sensors and image processing devices.
  • the air vibrator 62 is cited as a means for canceling the stagnation, the means for canceling is not limited to this.
  • the release means may be an electric vibrator.
  • the releasing means may be a means for blowing jet air toward the stayed tobacco, or a means for removing the stay using a mechanical movable arm.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Abstract

L'invention concerne un dispositif d'alimentation en tabac haché comprenant un capteur optique (40) conçu pour détecter un amoncellement de tabac haché dans un séparateur secondaire (20). Le capteur optique (40) analyse le séparateur secondaire (20) dans le sens de la largeur et il transmet/reçoit un faisceau lumineux de détection vers/depuis une position inférieure à une bascule à air (18) dans laquelle un amoncellement de tabac haché se forme régulièrement. Lorsque le faisceau de détection est bloqué par l'amoncellement de tabac haché, un dispositif de commande (58) détecte l'amoncellement à partir du signal de détection de manière à activer une unité d'alarme (60). En outre, le dispositif de commande (58) peut éliminer l'amoncellement par activation d'un vibrateur pneumatique (62).
PCT/JP2001/010899 2001-03-23 2001-12-12 Dispositif d'alimentation en tabac hache pour machine a caper WO2002076245A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2002574770A JP3900427B2 (ja) 2001-03-23 2001-12-12 シガレット巻上機の刻給送装置
EP01274027A EP1371298A1 (fr) 2001-03-23 2001-12-12 Dispositif d'alimentation en tabac hache pour machine a caper
US10/665,598 US20040055612A1 (en) 2001-03-23 2003-09-22 Shredded tobacco feeding apparatus for a cigarette manufacturing machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001085113 2001-03-23
JP2001-85113 2001-03-23

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/665,598 Continuation US20040055612A1 (en) 2001-03-23 2003-09-22 Shredded tobacco feeding apparatus for a cigarette manufacturing machine

Publications (1)

Publication Number Publication Date
WO2002076245A1 true WO2002076245A1 (fr) 2002-10-03

Family

ID=18940679

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/010899 WO2002076245A1 (fr) 2001-03-23 2001-12-12 Dispositif d'alimentation en tabac hache pour machine a caper

Country Status (5)

Country Link
US (1) US20040055612A1 (fr)
EP (1) EP1371298A1 (fr)
JP (1) JP3900427B2 (fr)
CN (1) CN1207997C (fr)
WO (1) WO2002076245A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2007094318A1 (fr) 2006-02-14 2007-08-23 Japan Tobacco Inc. Dispositif d'alimentation en matiere premiere de tabac hache pour une machine de fabrication de cigarettes

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DE102008004389B4 (de) * 2008-01-14 2010-05-20 Hauni Maschinenbau Ag Beschickungsvorrichtung
CN101975597B (zh) * 2010-09-25 2011-10-12 中国烟草总公司郑州烟草研究院 一种烟草物料滚筒加工过程筒内滞留量的实验测定方法
DE102010054098A1 (de) * 2010-12-10 2012-06-14 Riedel Filtertechnik Gmbh Regelungsanordnung für eine Zigarettenherstellungsmaschine sowie Verfahren zur Regelung des Transports des Zigarettenfüllstoffs
CN110864993B (zh) * 2018-08-28 2023-03-24 贵州中烟工业有限责任公司 一种叶丝两级风选系统质量指标的检测方法
CN110680000B (zh) * 2019-11-12 2022-05-17 常德烟草机械有限责任公司 一种卷烟机及其梗丝分离装置
CN112089090B (zh) * 2020-10-10 2024-01-19 云南中烟工业有限责任公司 一种使用抛料辊分离轻薄片状梗丝的装置及方法
CN113650089A (zh) * 2021-09-15 2021-11-16 红云红河烟草(集团)有限责任公司 一种切丝机跑片成像检测报警装置

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JP2957173B1 (ja) * 1998-08-14 1999-10-04 日本たばこ産業株式会社 シガレット製造機の刻たばこ給送装置

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Publication number Priority date Publication date Assignee Title
EP0165080A1 (fr) * 1984-05-08 1985-12-18 Japan Tobacco Inc. Dispositif d'alimentation en tabac coupé pour une machine de fabrication de cigarettes
GB2188601A (en) * 1986-02-25 1987-10-07 Molins Plc Container conveying system wherein containers are coded
US5022415A (en) * 1988-12-06 1991-06-11 G.D. Societa Per Azioni Machine for simultaneously manufacturing two continuous cigarette rods
EP0928566A1 (fr) * 1998-01-12 1999-07-14 Japan Tobacco Inc. Appareil pour comprimer et mouler une charge continue dans une machine à fabriquer des cigarettes
JP2957173B1 (ja) * 1998-08-14 1999-10-04 日本たばこ産業株式会社 シガレット製造機の刻たばこ給送装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007094318A1 (fr) 2006-02-14 2007-08-23 Japan Tobacco Inc. Dispositif d'alimentation en matiere premiere de tabac hache pour une machine de fabrication de cigarettes
US7874295B2 (en) 2006-02-14 2011-01-25 Japan Tobacco Inc. Shredded tobacco material feeder of a cigarette manufacturing apparatus
JP4822462B2 (ja) * 2006-02-14 2011-11-24 日本たばこ産業株式会社 シガレット製造機の刻たばこ原料供給装置

Also Published As

Publication number Publication date
JP3900427B2 (ja) 2007-04-04
CN1207997C (zh) 2005-06-29
US20040055612A1 (en) 2004-03-25
EP1371298A1 (fr) 2003-12-17
CN1492738A (zh) 2004-04-28
JPWO2002076245A1 (ja) 2004-07-08

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