EP1457324A1 - Procédé et dispositif pour imprimer une bande - Google Patents

Procédé et dispositif pour imprimer une bande Download PDF

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Publication number
EP1457324A1
EP1457324A1 EP04002866A EP04002866A EP1457324A1 EP 1457324 A1 EP1457324 A1 EP 1457324A1 EP 04002866 A EP04002866 A EP 04002866A EP 04002866 A EP04002866 A EP 04002866A EP 1457324 A1 EP1457324 A1 EP 1457324A1
Authority
EP
European Patent Office
Prior art keywords
web
printing
cylinder
blanket
compensation
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
Application number
EP04002866A
Other languages
German (de)
English (en)
Other versions
EP1457324B1 (fr
Inventor
Volker Steffen
Helmut Schneider
Matthias Schulz
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.)
Werner Kammann Maschinenfabrik GmbH and Co KG
Original Assignee
Werner Kammann Maschinenfabrik 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
Application filed by Werner Kammann Maschinenfabrik GmbH and Co KG filed Critical Werner Kammann Maschinenfabrik GmbH and Co KG
Publication of EP1457324A1 publication Critical patent/EP1457324A1/fr
Application granted granted Critical
Publication of EP1457324B1 publication Critical patent/EP1457324B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/04—Conveying or guiding webs through presses or machines intermittently
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/42—Means for tensioning webs

Definitions

  • the invention relates to a method and an apparatus for Printing of web-shaped material according to the preamble of Claim 1 or that of claim 19.
  • Rotary printing machines are used for printing web-shaped material used, generally divided into two groups can be.
  • the diameter is of the cylinder transferring the print image to the web
  • the transfer cylinder is a printing cylinder (impression cylinder) by which the one to be printed Web is led around. Transfer cylinder and impression cylinder run continuously at constant speed, so that such printing machines have a very high throughput to have.
  • the transfer cylinder is designed so that its circumferentially effective printing area without great effort adaptable to different print image lengths is. This can be achieved in offset printing, for example that the outer surface of the transfer cylinder from a rubber blanket is formed, which without difficulty interchangeable and / or in a simple manner to the respective Print image length is adjustable.
  • the transfer cylinders of this group are, however, generally designed so that their lateral surface extends over less than 360 °, making it special Precautions must be taken to print the images spaced or only with a small repeat distance on the Apply web. To do this, the web must be used after each work cycle for the following work cycle in order to such a printing with small distances between the individual To enable print images.
  • EP 0018291 discloses an embodiment in which the Printing unit has a drive roller that is independent of the actual one Printing unit works. The same applies to the Printing machine according to EP 0159225 B1, the transfer cylinder of which is fully cylindrical, but also for Positioning the track requires an additional drive means.
  • the invention is based on the object, method and device of the type described in the introduction so that on the one hand during the transition from one printed image to the other in can be changed to a new image format in a short time, taking accurate guidance and positioning of the web for the purpose Achieving a high quality of the printed images may be possible should.
  • the throughput should at least be the usual one today Meet requirements.
  • the invention which explained to the second group of introductory Types of presses, can be summarized as that the web in the printing station through the Printing cylinder driven and by this after each printing process is positioned for the following work cycle, the length of the one located in the area of the respective printing station Track section depending on transport speed and direction is changed to make the difference between the preferably uniform speed, with which the web enters the printing station, and the respective transport speed transferred from the impression cylinder to the web to compensate for and direction.
  • There is a back and forth Movable compensation device provided, its movements with speed and direction of rotation of the impression cylinder are coordinated.
  • the blanket in the circumferential direction of the transfer cylinder with a Section of lesser thickness may be provided, which is out of contact remains with the web, with the circumferentially effective printing length of the blanket that comes into contact with the web Depending on the length of the printed image is set. This can be done continuously.
  • the rubber blanket can also be opened attached to the outer surface of the transfer cylinder by gluing be, its length in the circumferential direction of the length of the Printed image or a multiple thereof.
  • the Web may be useful to remove the web after it has the UV lamp happened to cool. This can be done in a simple way already happen while passing the printing cylinder, which can be designed as a cooling roller for this purpose. In any case If possible, the procedure should be such that the Web experiences no heating due to UV radiation an impermissible stretching or shrinking of the web could lead. This is particularly important if the Web is made of plastic and / or several printing stations are arranged one behind the other, through which the web, as with Multi-color printing is common.
  • the printing machine (10) shown in Fig. 1 is used for printing of web-like material (12), which of a first Roller (14) is withdrawn and in the direction indicated by the arrow (16) general direction of transport by four in this direction of transport (16) successively arranged printing stations I - IV is performed, which have essentially the same structure. After printing, the web (12) is on a second roll (18) wound.
  • Each printing station (I - IV) is provided with a printing unit (20) and the devices for transporting, positioning and guiding the web (12) to be printed in the area of the respective printing station.
  • the web runs into the respective printing station at a constant feed speed V 1 .
  • the printing stations are designed as roller printing units, whereas the printing unit shown in FIG. 2 is designed as a short printing unit. Both types of printing unit can be used and are otherwise familiar to the person skilled in the art, so that they are not explained in more detail here.
  • Each printing unit is provided with a transfer cylinder (22), which has an essentially cylindrical base body (24) and a detachably attached carrier for the transfer cylinder (22) on the web (12) to be transferred print image.
  • the carrier is a printing blanket, namely a rubber blanket, so that the transfer cylinder in the following as a blanket cylinder (see FIG. 4).
  • the blanket cylinder (22) is a printing cylinder (26) assigned to which the to be printed Web (12) fed via a compensation device (28) becomes.
  • the latter has a non-driven roller (30), which is carried by a carriage (34) which in the direction the arrows (36, 38) arranged to be linearly slidable back and forth is.
  • the web (12) forms a first loop (39), which has two parallel web sections, over the roll (30) and another, also not powered, however stationary roller (42), via which the web in the direction of the Printing cylinder (26) is deflected, fed to the printing unit, in which is the web with the lateral surface guided by the impression cylinder of the blanket cylinder for the purpose of transferring the printed image comes into contact with the web.
  • the web (12) runs from the printing cylinder (26) to form a second loop (41) via a second roller (32) of the compensation device (28) and a further stationary deflection roller (44) from the printing station (10)
  • Direction (16) behind the second compensation roller (32) again has a constant pull-out speed V 1 , which is equal to the pull-in speed V 1 in front of the stationary guide roller (40), which is arranged in front of the first roller (30) of the compensation device (28).
  • FIGS. 3A to 3C and 4 show that the blanket cylinder (22) has a cutout (48) in which two conventional tensioning devices (49) (FIG. 4) are arranged, to which one end of the printing blanket (50) is fastened in this way is that it is over the arcuate peripheral portion of the Blanket cylinder (22) is stretched and in so far its outer surface forms.
  • Embodiment extends the outer surface forming and at one revolution of the blanket cylinder (22) in contact with the one guided over the pressure cylinder (26) Web (12) coming and thus effective printing section of the printing blanket (50) over about 280 °, this being the largest possible Print image length corresponds because the printing blanket (50) has the largest possible length in the circumferential direction in terms of printing technology is the difference between a circumference of 360 ° and the circumferential section the section (48).
  • the printing unit for different print image lengths in Direction of travel of the web (12) should be usable without a blanket cylinder with different diameters need, it is appropriate to the printing blanket (50) in its by the circular arc-shaped peripheral portion of the blanket cylinder worn Area with a longitudinal section (52) smaller To provide thickness, as shown in Fig. 4, wherein only the longitudinal section (51), which has a normal thickness, is technically effective, ie with the web (12) in Contact is coming. On the other hand, there is the section of smaller thickness (52) when rotating the blanket cylinder (22) not with the via the pressure cylinder (26) guided web (12) in contact and is therefore ineffective in terms of printing technology.
  • the adaptation of the blanket cylinder (22) to the respective Print image length is made by appropriate choice or setting of the printing blanket (50).
  • another blanket could be pulled up, which with a correspondingly dimensioned section (52) smaller Thickness is provided.
  • Thickness there is also the possibility of a To use printing blanket, which over the maximum possible length in the circumferential direction the necessary for contact with the web (12) Thickness, but also in one piece with an additional section, e.g. B. with the thickness of the section (52) of Fig. 4 is provided, which in any case out of contact with the web (12) remains, such a printing blanket the respective Printing technology requirements on the blanket cylinder (22) to be installed and adjusted.
  • the execution 4 the blanket arranged so that a Part of its section of reduced thickness on the lateral surface of the blanket cylinder (22) so that the blanket (50) with one revolution of the blanket cylinder (22) in one Peripheral area of the same is out of contact with the web (14), which is the sum of the arc section of the cutout (48) and the arc section of the blanket section (52) with corresponds to a smaller thickness.
  • Part of the section which is necessary for contact with the train Has thickness wrapped in one of the clamping devices (49).
  • the section (52) of reduced thickness of the printing blanket in the direction of rotation (54) behind the cutout (48) can be arranged after the same.
  • the blanket cylinder (22) rotating continuously in the direction of the arrow (54) is approximately in a position at the beginning of the actual printing process, in which the initial region of the cutout (48) located in the direction of rotation (54) the outer surface of the printing blanket (50) has just come into contact with the web (14) guided around the printing cylinder (26).
  • the web is fed continuously via the guide roller (40) at a constant speed V 1 of, for example, 30 m / min.
  • V 1 of, for example, 30 m / min.
  • the peripheral speed of the blanket cylinder (22) and impression cylinder (26) and thus also the running speed V 2 of the web (12) in the area of these two cylinders are greater and are, for example, 35 m / min.
  • 3B shows an intermediate stage during the printing process, in the course of which a printed image is applied to the web (12) which is about the length of the circumference of the blanket cylinder (22) minus the circumferential section which corresponds to the Section (48) corresponds.
  • the transmission of the respective Print image is completed and the blanket (50) except Contact with the web (14) comes, i.e. approximately according to the position Fig. 3C occupies the drive controlled by a program of the printing cylinder is regulated in such a way that first the rotation delayed in the direction of arrow (56) and after reaching the value of zero is a rotation of the printing cylinder (26) in Opposite direction, i.e. in the direction of arrow (58), so that also the web (12) that is out of contact during this phase with the blanket cylinder, between the impression cylinder (26) and the deflection roller (30) runs in the opposite direction.
  • the linear movements of the compensation slide (34) correspond to the above-described sequence of the rotational movements of the printing cylinder (26).
  • the carriage (34) which is controlled in terms of its movements according to a program, with the two freely rotatable rollers (30, 32) is displaced in the direction of the arrow (38), so as to at the speed V 1 of continuously fed web (12) to shorten the distance between the compensation roller (30) and the deflection roller (42), whereby additional web material is made available in the area between the compensation roller (30) and counter-pressure roller (26) so that it there is an increase in the web speed in the area between the roller (30) and the printing cylinder (26) to, for example, 35 m / min and thus the resulting speed of the web (12), the printing speed, that is the peripheral speed of the two cylinders (18 and 26) equivalent. Since the printing speed is constant, the compensation carriage also moves in the direction of arrow (38) during the printing process at a constant speed V 3 . The latter
  • the carriage (34) becomes in accordance with the deceleration which now begins Rotation of the printing cylinder (26) in the direction of arrow (56) at a correspondingly decreasing speed still moves in the direction of arrow (38) until the speed of the web (12) between the deflection roller (42) and printing cylinder (26) becomes lower than the speed V 1 , with which the web of the compensation roller (30) is fed.
  • the execution of the next work cycle requires that the rotation of the printing cylinder (26) in the direction of the arrow (58) and the corresponding opposite movement of the web (12) be brought to zero by a correspondingly programmed delay and then the printing cylinder again in the direction of the arrow (56) is accelerated to the printing speed with simultaneous entrainment of the web (12), the compensation carriage (34) carrying out corresponding movements - during the deceleration phase a movement with decreasing speed in the direction of the arrow (36) and during the subsequent acceleration in Opposite direction (56) a movement in the direction of arrow (38). The latter occurs as soon as the speed of the web (12) is greater than the speed V 1 at which the web is fed.
  • this movement in the direction of the arrow (38) takes place at an essentially constant speed as soon as the web (12) has been brought to the speed required for the printing process, which corresponds to the peripheral speed of the blanket cylinder (22) and impression cylinder (26) ,
  • This operating state must have occurred at the latest at the time to which the blanket (50) according to FIG. 3A again in contact with the web (12) carried by the impression cylinder (26) comes and the next cycle begins, during which Printing cylinder (26) and carriage (34) at constant speed rotated or shifted.
  • the above-described movements of printing cylinders (26) and compensation slides (34) have the function of the track (12) to be positioned so that despite the presence of the Detail (48) and possibly the section less Thickness (52) of the blanket (50) in succession on the web (12) print images to be applied immediately to each other or if necessary with a small distance can be applied from each other, which is essential is less than the path length in radians during which the Blanket cylinder (22) or the blanket (50) except Contact with the train (12).
  • a printing blanket which, like that 4, a partial circumferential section (52) with a smaller thickness, which with the web to be printed does not come into contact corresponds to Period during which the blanket cylinder (22) is not in Contact with the railway is a longer circumferential distance than with an embodiment according to FIGS. 3A to 3C, since the contact between blanket cylinder (22) and web (12) at the moment in which stage (60) (Fig. 4), which the two areas of different thickness of the printing blanket (50) separates the location of the printing cylinder (26) at which the blanket normally contacts the web (12) is happening.
  • a constant duration of a working cycle irrespective of the length of the printed image to be applied, that is to say a constant rotational speed of the blanket cylinder irrespective of the length of the printed image, has the consequence that the speed V 1 at which the web (12) is introduced into the respective printing station becomes greater with a longer length of the printed image than with a smaller length of the same, since the web length to be supplied per unit of time is greater with a longer printed image than with a shorter printed image.
  • the Angle at which the web (14) wraps around the printing cylinder (26) do not fall below a certain minimum size, so Avoid slippage and the highest possible accuracy of the Movement of the web (14) relative to the blanket cylinder (22) to reach.
  • the size of the wrap angle required which is approximately 180 ° in the illustrated exemplary embodiments, can be determined at any time by appropriate tests become. It is also necessary to achieve the desired accuracy advantageous for driving the printing cylinder (26) and optionally the blanket cylinder (22) each have a torque motor to use the one without gear or other mechanical Intermediate links with the shaft of the respective cylinder drives accordingly great accuracy, so that the Space requirement for the drive is low.
  • the drive of the compensation slide (34), for which a linear motor can be provided a precise movement of the compensation slide, for example depending on a program.
  • the movements of the compensation slide depending on the web tension control or regulate.
  • the speed of the Compensation slide depending on the web tension could be the program according to which the movement of the sled is controlled, overlay. However, it is of a size very low, although they usually relate anyway the speed and direction of movement of the web with that of Program delivered influencing factors essentially match becomes.
  • the web (12) to the blanket cylinder (22) can also do so be that the web (12) is provided with markings that are detected by at least one photocell (62), and the Drive for the pressure cylinder (26) depending on the controlled by the position of the web defined by the registration mark or is regulated. If necessary, this can additionally to a program controlling the drive. It is still possible, also the drive for the blanket cylinder (22) using such registration marks, if necessary in addition to a program controlling the blanket cylinder to control or regulate by during the time in which the transfer cylinder is not in contact with the web is the circumferential position of the blanket cylinder in small control steps for the following printing process to the web is aligned. The one resulting from such control steps Influencing the speed of rotation of the blanket cylinder is so low, however, that the effect it may have caused Deviation from the specified constant rotational speed of the blanket cylinder with respect to the duration of the Duty cycle 'is negligible.
  • a device (64) is assigned to the pressure cylinder (26) (Fig. 2), by means of which the printed web of radiation exposed to UV light. This ensures that the Ink is essentially dry when the web (12) from Printing cylinder (26) expires. In this way it is possible the web (12) in the running direction just behind the driving Deflect the pressure cylinder (26) over the compensation roller (32), to get the shortest possible train routes.
  • the pressure cylinder (26) with at least one Provided cooling channel (66) through which a cooling medium, for example Water flows.
  • a cooling medium for example Water flows.
  • the cooling of the web avoids through Heating the web caused inadmissible shrinkage and / or Elongation by which the accuracy with which the Web aligned to the blanket cylinder is also affected could be. Cooling the web for avoidance Inadmissible warming can then be particularly important be, if, as in the embodiment of FIG. 1, the web passed through several printing stations arranged one behind the other , each of which is equipped with a UV lamp. however cooling can also be done by other means, e.g. through a Cooling air flow is caused, which is blown against the printed web becomes.
  • the "print image” which refers to the Web is applied, then it can also be a Partial print image act in the sense that several partial print images to be applied in the same place on the web to produce an overall print image, as is the case with Multi-color printing is the case.
  • the invention can also be applied to other printing and decoration methods.
  • the invention can also be used in high-pressure, for example flexographic and gravure and rotary screen printing, but also in embossing, in particular hot embossing, without the above list being complete.
  • the web to be decorated is to be positioned in one phase of a work cycle in such a way that the print images to be applied in succession are spaced apart from one another or only slightly, the adaptation to different image lengths preferably being carried out by appropriately adjusting the feed speed V 1 .
  • the transfer cylinder can have a constant diameter in its outer surface, which is effective in terms of printing technology, regardless of the length of the printed image.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Treatment Of Fiber Materials (AREA)
EP04002866A 2003-03-14 2004-02-10 Procédé et dispositif pour imprimer une bande Expired - Lifetime EP1457324B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10311219A DE10311219A1 (de) 2003-03-14 2003-03-14 Verfahren und Vorrichtung zum Bedrucken einer Bahn
DE10311219 2003-03-14

Publications (2)

Publication Number Publication Date
EP1457324A1 true EP1457324A1 (fr) 2004-09-15
EP1457324B1 EP1457324B1 (fr) 2010-04-07

Family

ID=32748250

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04002866A Expired - Lifetime EP1457324B1 (fr) 2003-03-14 2004-02-10 Procédé et dispositif pour imprimer une bande

Country Status (6)

Country Link
US (2) US7017486B2 (fr)
EP (1) EP1457324B1 (fr)
JP (1) JP2004276616A (fr)
CN (1) CN100346966C (fr)
DE (2) DE10311219A1 (fr)
TW (1) TWI264374B (fr)

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EP1862305A1 (fr) * 2006-05-31 2007-12-05 MAN Roland Druckmaschinen AG Presse rotative à rouleaux et son procédé de fonctionnement
EP1884361A2 (fr) * 2006-08-01 2008-02-06 Miyakoshi Printing Machinery Co., Ltd. Machine d'impression variable
EP2251197A3 (fr) * 2009-05-15 2011-05-11 Edelmann Graphics GmbH Presse d'impression
EP2251196A3 (fr) * 2009-05-15 2011-05-25 Edelmann Graphics GmbH Presse d' impression

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ITMI20061216A1 (it) * 2006-06-23 2007-12-24 Omet Srl Macchina da stampa flessografica con dispositivo di asciugatura essicazione polimerizzazione e-o riscaldamento del nastro inchiostrato
DE102006046894B4 (de) 2006-10-04 2010-05-27 Wifag Maschinenfabrik Ag Verfahren zum Anfahren einer Rollenrotationsdruckmaschine
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EP2338682A1 (fr) * 2009-12-22 2011-06-29 KBA-NotaSys SA Presse d'impression intaglio dotée d'un chariot mobile supportant un cylindre Orlof
CN102390163A (zh) * 2011-09-13 2012-03-28 杨峥雄 一种机组式柔印机传动系统
EP2823363B1 (fr) * 2012-03-05 2018-10-10 Landa Corporation Ltd. Appareil et procédé de commande d'un système d'impression numérique
GB2518169B (en) * 2013-09-11 2015-12-30 Landa Corp Ltd Digital printing system
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EP4019596A1 (fr) 2012-03-05 2022-06-29 Landa Corporation Ltd. Procédé de fabrication d'une construction de film d'encre
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CN104284850B (zh) 2012-03-15 2018-09-11 兰达公司 打印系统的环形柔性皮带
JP6077881B2 (ja) * 2013-02-20 2017-02-08 ローランドディー．ジー．株式会社 布帛の印刷方法、及び布帛用の印刷装置
GB201401173D0 (en) 2013-09-11 2014-03-12 Landa Corp Ltd Ink formulations and film constructions thereof
CN103935112B (zh) * 2014-03-27 2016-04-13 浙江长海包装集团有限公司 一种机组式凹版印刷机
GB2536489B (en) 2015-03-20 2018-08-29 Landa Corporation Ltd Indirect printing system
US11806997B2 (en) 2015-04-14 2023-11-07 Landa Corporation Ltd. Indirect printing system and related apparatus
GB201609463D0 (en) 2016-05-30 2016-07-13 Landa Labs 2012 Ltd Method of manufacturing a multi-layer article
CN109689371B (zh) 2016-05-30 2021-12-14 兰达公司 数字印刷方法
JP6980704B2 (ja) 2016-05-30 2021-12-15 ランダ コーポレイション リミテッド デジタル印刷処理
WO2019097464A1 (fr) 2017-11-19 2019-05-23 Landa Corporation Ltd. Système d'impression numérique
US11707943B2 (en) 2017-12-06 2023-07-25 Landa Corporation Ltd. Method and apparatus for digital printing
JP7273038B2 (ja) 2017-12-07 2023-05-12 ランダ コーポレイション リミテッド デジタル印刷処理及び方法
WO2020003088A1 (fr) 2018-06-26 2020-01-02 Landa Corporation Ltd. Élément de transfert intermédiaire pour système d'impression numérique
JP7246496B2 (ja) 2018-10-08 2023-03-27 ランダ コーポレイション リミテッド 印刷システムおよび方法に関する摩擦低減手段
JP7462648B2 (ja) 2018-12-24 2024-04-05 ランダ コーポレイション リミテッド デジタル印刷システム
DE102019101024A1 (de) * 2019-01-16 2020-07-16 Manroland Goss Web Systems Gmbh Vorrichtung und Verfahren zur Druckbreitenkompensation
CN113348083A (zh) * 2019-02-22 2021-09-03 惠普发展公司，有限责任合伙企业 胶板印刷设备和方法
JP7088556B2 (ja) * 2019-03-14 2022-06-21 株式会社ミヤコシ 間欠印刷機
US11027565B2 (en) * 2019-10-02 2021-06-08 Assa Abloy Ab Card printer alignment bracket
WO2021105806A1 (fr) 2019-11-25 2021-06-03 Landa Corporation Ltd. Séchage d'encre en impression numérique avec un rayonnement infrarouge absorbé par des particules incorporées à l'intérieur d'un itm
US11321028B2 (en) 2019-12-11 2022-05-03 Landa Corporation Ltd. Correcting registration errors in digital printing
WO2021137063A1 (fr) 2019-12-29 2021-07-08 Landa Corporation Ltd. Procédé et système d'impression
CN115400981B (zh) * 2022-11-03 2023-02-10 天津美腾科技股份有限公司 干选机及干选方法

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CN1530218A (zh) 2004-09-22
US7017486B2 (en) 2006-03-28
JP2004276616A (ja) 2004-10-07
CN100346966C (zh) 2007-11-07
TW200422191A (en) 2004-11-01
US20040177779A1 (en) 2004-09-16
DE502004010985D1 (de) 2010-05-20
TWI264374B (en) 2006-10-21
EP1457324B1 (fr) 2010-04-07
DE10311219A1 (de) 2004-09-30
US20060185538A1 (en) 2006-08-24

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