EP1121317B1 - Zugwalze für bahnförmige materialien, insbesondere für papier- oder kartonbahnen, kunststoff- oder metallfolien - Google Patents
Zugwalze für bahnförmige materialien, insbesondere für papier- oder kartonbahnen, kunststoff- oder metallfolien Download PDFInfo
- Publication number
- EP1121317B1 EP1121317B1 EP99948837A EP99948837A EP1121317B1 EP 1121317 B1 EP1121317 B1 EP 1121317B1 EP 99948837 A EP99948837 A EP 99948837A EP 99948837 A EP99948837 A EP 99948837A EP 1121317 B1 EP1121317 B1 EP 1121317B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum
- vacuum chamber
- pressure
- web
- chamber
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/12—Advancing webs by suction roller
Definitions
- the invention relates to a pull roller for sheet-like materials, in particular for Sheets of paper or cardboard, plastic or metal foils, one around a fixed one Inner component has a rotatably drivable jacket that extends over its entire Shell surface has air passage openings.
- the inside of the jacket is in segmented chambers divided, of which in the wrap area of the Path arranged chamber can be acted upon with negative pressure. Because of the negative pressure the web is sucked onto the roller in order to increase the adhesive forces and thus larger ones To be able to introduce tensile forces into the train.
- Such traction rollers are preferred in plants for the production and / or finishing sheet-like materials (paper or cardboard sheets, plastic or metal foils) used in areas where force is only applied to one side of the web is possible, for example because liquid coating material on the other side of the web is applied (DE-AS 14 74 973).
- DE 34 33 332 A discloses a device for conveying web-like material known, which consists of a suction roll, the cross section in at least three Sectors is divided. Two of the sectors are each independent Vacuum generator connected. The roller is used in the production of corrugated cardboard to Transport sheets with high positional accuracy, which are then laminated become.
- DE 31 00 814 A describes a so-called default roller for storing Fabric panels on a storage table.
- the roller is a rotating drum with over the Circumferentially distributed through openings formed and points in the sector that the Target storage location of the goods facing the tray table, through openings on, through the air to safely lift the goods from the outer circumference of the drum is pale.
- the is adjacent to the feed side of the goods, a suction device for sucking the Arranged good things.
- the invention has for its object a pull roller of the type described Way to improve so that even at high web speeds great traction are transferable.
- the upstream second vacuum chamber enables the one attached to the web Vacuum the air boundary layer to the extent that the contact area is sufficient remains large in order to be able to transmit the required tensile forces.
- a second object of the invention is to provide a pull roller, the Simply surface on different web materials, speeds and / or Web widths is customizable.
- the traction roller according to the invention is used in manufacturing and / or finishing plants web-shaped materials (paper or cardboard webs, plastic or metal foils) used to run the web at a high, well-defined speed and / or to pull a defined train through individual system areas.
- web-shaped materials paper or cardboard webs, plastic or metal foils
- Such Systems are, for example, coating, impregnation, laminating or laminating systems or plants for the production of plastic films. It can be beneficial in all Use system areas in which force is only applied to one side of the web is possible, for example behind applicators for coating material, where on the coated web side no force can be introduced. In these plant areas it preferably serves as a master drive, which specifies the path speed exactly, or as an actuator for regulating the web train.
- the pull roller contains a jacket 1 which can be driven in rotation and on it entire surface area has air passage openings.
- the air permeability of the Sheath 1 is made through a variety of holes, by manufacturing from a porous Material etc. causes.
- the outer surface can be wear-resistant and / or the friction to the web 2-increasing rubber, ceramic, etc. be coated.
- the outer surface is preferably covered with a plastic or metal sieve.
- the jacket 1 is as thin-walled as possible from steel, aluminum or from one fiber-reinforced plastic material (GFK or CFK composite) manufactured to be Reduce weight and its inertia.
- the inside of the jacket 1 is radial, extending over the length of the roller Partitions 3, 4, 5, 6 divided into chambers 7, 8, 9, in each of which separate Pressure ratios can be set.
- the partitions 3, 4, 5, 6 are part of one internal component that is stationary during operation and have friction-free, up to the inner surface of the jacket 1 seals 10.
- Prefers the inner component consists of an outer, extending coaxially to the roller axis Pipe 11 on which the partitions 3, 4, 5, 6 extend radially outwards are attached and in a corresponding number of distribution chambers 12, 13, 14 is divided into openings 15, 16, 17 with the vacuum chambers 7, 8, 9 in Connect.
- the distribution chambers 12, 13, 14 are at one axial end of the Tube 11 each connected to a vacuum or pressure line 18, 19, 20 the pressure conditions in the individual chambers 7, 8, 9 explained in more detail below adjust.
- the entire inner component can be rotated about the roller axis stored to the position of the segment-shaped chambers 7, 8, 9 relative to the looping area the web 2 can adjust.
- the rotation of the Internal component motor with a servomotor, which is from a control or regulating device is controlled.
- the control or regulating device positions the inner component according to predetermined algorithms, the specific physical properties of the web, for example, their porosity, and certain operational variables, such as the Path speed, included as a parameter.
- the distribution chamber 14 is coaxial in the outer tube 11 arranged inner tube 21 formed, which has a nozzle with the Chamber 9 is connected. It is connected to the pressure line 20, while the with the vacuum chambers 7, 8 communicating distribution chambers 12, 13 to the Vacuum lines 18, 19 are connected.
- the distribution chambers 12, 13 are between the outer tube 11 and the inner tube 21 by appropriate Partitions 22 formed.
- the pull roller according to the invention it is essential for the pull roller according to the invention that two with negative pressure inside Actuable vacuum chambers 7, 8 are present, the negative pressure of which is independent is adjustable from each other.
- the first vacuum chamber 7 includes one Angular range of at least 10 °, preferably 20 ° to 90 °
- the second vacuum chamber 8 comprises an angular range of at least 20 °.
- the second comprises Vacuum chamber 8 has a larger angular range than the first vacuum chamber 7.
- the total suction angle of both vacuum chambers 7, 8 is at least as large as that Wrap angle of web 2, which is 30 ° to 240 °.
- Vacuum chamber 8 is a pressure chamber 9 in which an overpressure is generated.
- the partition 5 between the vacuum chamber 8 and the pressure chamber 9 is therefore along the Surface line arranged where the detachment of the web 2 from the roller is desired.
- the inside of the jacket 1 is in the segment 23 between the pressure chamber 9 and first vacuum chamber 7 neither to a compressed air supply nor to a vacuum line connected, since this area is neither wrapped by web 2 nor there is acted on the web 2.
- the segment 23 has on both end faces Through holes 35 through which a pressure equalization to atmospheric pressure Leakage on partition walls is caused.
- the inner component with the partitions 3, 4, 5, 6 is so set that the first vacuum chamber 7 is in the area in which the Web 2 runs onto the roller.
- the setting is preferably such that the Partition 4 between the two vacuum chambers 7, 8 in the area of the desired Ramp line is located.
- the second vacuum chamber 8 is designed and set so that it covers the wrapping area of the web 2.
- the pressure chamber then follows 9 in the run-off area of the web 2.
- the second vacuum chamber 8 a vacuum between 1 KPa and 10 KPa is set in the wrapped area, the which depends on the sensitivity of the material and the web speed. A larger negative pressure is set in the upstream chamber 7.
- the pressure difference between the two chambers 7, 8 is at least 0.5 KPa, preferably 1 KPa to 10 KPa.
- the greater negative pressure in the first vacuum chamber 7 causes that when web 2 runs onto the roller, the air boundary layer attached to web 2 is reduced. So there is a floating of the web 2 on the attached Air cushion and thus a shift in the contact line web 2 / roller with the Consequence prevents the contact area from being reduced.
- the same with large ones Web speeds sufficiently large contact area in the area of the vacuum chamber 8 makes it possible to transmit the required tensile forces.
- the independent Adjustability of the negative pressure in the vacuum chamber 7 allows this in Depending on the web speed to track, so constant traction conditions adjust.
- Vacuum chamber 7 as a function of the web speed and / or the Web train set automatically by a regulating or control device, for example by actuating a control valve in the supply line 18 to the vacuum chamber 7. It is also advantageously possible to change the position by rotating the inner component the vacuum chamber 7 relative to the ascending web 2 depending on the Set the web speed so that a maximum effective suction angle is set.
- Figure 2 is a longitudinal section transverse to the web running direction through a special advantageous constructive embodiment of a pull roller according to the invention shown.
- This construction makes it very easy to replace the jacket, around the draw roller different webs of materials and / or different Adjust web widths. It can so coats 1 with adapted surfaces (Rubber, ceramics, friction coatings etc.), special designs and Arrangements of the passage openings and / or special air distribution mechanisms (Air guide grooves, plastic or metal sieves etc.) and / or with different Widths of the suction surfaces can be used to adapt to the web width.
- adapted surfaces Rubberer, ceramics, friction coatings etc.
- special designs and Arrangements of the passage openings and / or special air distribution mechanisms Air guide grooves, plastic or metal sieves etc.
- Widths of the suction surfaces can be used to adapt to the web width.
- the inner tube 21 and the outer tube 11 extend axially on the connection side Direction beyond the area of the jacket 1 and are not at their in Figure 2 shown end rotatably mounted in the frame of the system.
- the inner tube 21 is there to the compressed air line 20 and the divided outer tube 11 to the two Vacuum lines 18, 19 connected.
- On the opposite drive side the inner tube 21 has a pin 24 closing the pressure chamber 14, via a radial bearing 25 is drawn, which is in a recess of a bearing part 26 is fitted.
- the bearing part 26 is in the frame 27 of the system via a radial bearing 28 rotatably mounted and via a torsionally rigid coupling with a not shown Rotary drive connected.
- annular side wall 29 is screwed radially on the outside, the outside diameter of which corresponds to the outer diameter of the jacket 1.
- the jacket 1 With its front end releasably screwed.
- annular sealing walls 30, 31 are fixedly connected to the inner component are and extend to the inner surface of the jacket 1.
- the sealing wall 30 on the Drive side is attached to the outside of the inner tube 21, the sealing wall 31 the connection side on the outside of the outer tube 11.
- the partitions 3, 4, 5, 6 are also fastened with their axial ends.
- the Connection side contains the storage of the shell 1, a radial bearing 32, the inner Race sits firmly on the outer tube 11.
- the outer race is fixed with one annular bearing part 33 connected via the second annular side wall 34th is pulled and screwed to this detachably.
- On the annular side wall 34 the connection-side end of the jacket 1 is attached.
- the side wall 34 has also through holes 37 on the pressure equalization from the outside in the Area between it and the sealing wall 31 and thus through the holes 35 also in Segment 23 and in the area between the sealing wall 30 and the side wall 29 enable.
- the jacket 1 On the drive side, the jacket 1 is from the side wall 29 and on the connection side the side wall 34 is unscrewed from the bearing part 33. Then the Jacket 1 with the fixed side wall 34 pulled off in the axial direction and can be exchanged for a differently designed jacket 1.
- the design of the Jacket 1 with the annular side wall 34 as an exchange part has the other Advantage that before installation in the side wall 34 for balancing holes can be introduced.
- the preferred device is shown as a circuit diagram with which in the Vacuum chambers 7, 8 and the pressure chamber 14 the required pressure conditions can be set.
- This device only requires a controllable blower 38.
- each contains Vacuum line 18, 19, which leads to a vacuum chamber 7, 8, a controllable valve 39, 40, with which the required negative pressure in each vacuum chamber 7, 8th can regulate.
- a controllable valve 39, 40 In front of the two valves 39, 40 are the two vacuum lines 18, 19 merged into a line which on the suction side of the blower 38 connected.
- the line 41 connected to the pressure side of the blower 38 contains a further pressure control valve 42 before it ins via a silencer 43 Free leads.
- a pressure control valve 44 contains in order to be able to regulate the overpressure in the pressure chamber 9.
- the pressure ratios are preferably set automated in the individual chambers by means of the regulating or control device, from which the valves 39, 40, 42, 44 depending on the web speed and / or the train can be controlled.
Landscapes
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Advancing Webs (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Laminated Bodies (AREA)
Description
- Figur 1
- zeigt einen Querschnitt durch die Zugwalze,
- Figur 2
- zeigt einen Längsschnitt in Richtung der Drehachse,
- Figur 3
- zeigt als Zusammenbauzeichnung die lösbaren Teile, und
- Figur 4
- zeigt als Schaltschema die Elemente zur Einstellung der geforderten Druckverhältnisse in den einzelnen Kammern.
Claims (12)
- Zugwalze für bahnförmige Materialien, insbesondere für Papier- oder Kartonbahnen, Kunststoff- oder Metallfolien, mit einem um ein feststehendes Innenbauteil rotierend antreibbarem Mantel (1), der auf seiner gesamten Mantelfläche Luftdurchtrittsöffnungen aufweist, und mit einer im Umschlingungsbereich der Bahn (2) angeordneten Vakuumkammer (8), die mit Unterdruck beaufschlagbar ist, dadurch gekennzeichnet, dass im Innern des Mantels (1) in Laufrichtung der Bahn (2) unmittelbar vor der Vakuumkammer (8) eine weitere Vakuumkammer (7) angeordnet ist, in der unabhängig von dem Unterdruck in der Vakuumkammer (8) ein größerer Unterdruck als in dieser einstellbar ist, und dass im Innern des Mantels (1) in Laufrichtung der Bahn (2) auf die zweite Vakuumkammer (8) eine Druckkammer (9) folgt, in der ein Überdruck erzeugt wird.
- Zugwalze nach Anspruch 1, dadurch gekennzeichnet, dass in der ersten Druckkammer (7) ein um mindestens 0,5 KPa, bevorzugt um 1 KPa bis 10 Kpa, größerer Unterdruck als in der zweiten Vakuumkammer (8) eingestellt werden kann.
- Zugwalze nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die erste Vakuumkammer (7) einen Winkelbereich von mindestens 10°, bevorzugt 20° bis 90°, und die zweite Vakuumkammer (8) einen Winkelbereich von mindestens 30° umfaßt, wobei die zweite Vakuumkammer (8) einen größeren Winkelbereich als die erste Vakuumkammer (7) umfaßt.
- Zugwalze nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Mantel (1) an beiden axialen Enden an ringförmigen, drehbar gelagerten Lagerteilen (29, 33) lösbar befestigt ist und bei gelöster Befestigung in axialer Richtung von dem Innenbauteil abziehbar ist.
- Zugwalze nach Anspruch 4, dadurch gekennzeichnet, dass das Innenbauteil ein sich koaxial zur Walzenachse erstreckendes Rohr (11) enthält,auf dem die Trennwände (3, 4, 5, 6) befestigt sind,das über Öffnungen (16) mit der Kammer (8) in Verbindung steht,das an einem axialen Ende an eine Unterdruckleitung (19) angeschlossen ist, undauf dem an einem Walzenende ein ringförmiges Lagerteil (33) drehbar befestigt ist, an dem ein Ende des Walzenmantels (1) lösbar befestigt werden kann.
- Zugwalze nach Anspruch 5, dadurch gekennzeichnet, dass das Rohr (11) an dem anderen Ende der Walze drehbar in einem Lagerteil (26) gelagert ist, das mittels eines Drehantriebs drehbar in einem Gestell (27) gelagert ist und an dem eine ringförmige Seitenwand (29) als Lagerteil befestigt ist, an dem das Ende des Mantels (1) lösbar befestigt werden kann.
- Zugwalze nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass der Mantel (1) an einem axialen Ende fest mit einer ringförmigen Seitenwand (34) verbunden ist, die an dem drehbar gelagerten Lagerteil (33) festschraubbar ist.
- Zugwalze nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass das Rohr (11) in seinem Inneren in zumindest zwei sich über die axiale Länge des Walzenmantels (1) erstreckende Verteilkammern (12, 13, 14) unterteilt ist, die jeweils mit einer Vakuum- oder Druckkammer (7, 8, 9) in Verbindung stehen und am axialen Ende des Rohres (11) an getrennte Druckleitungen (18, 19, 20) angeschlossen sind.
- Zugwalze nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass zwei mit Unterdruck beaufschlagbare Vakuumkammern (7, 8) und eine mit Überdruck beaufschlagbare Druckkammer (9) im Innern der Walze vorhanden sind, die jeweils an Druckleitungen (18, 19, 20) mit regelbaren Ventilen (39, 40, 44) angeschlossen sind, wobei die Druckleitungen (18,19) der mit Unterdruck beaufschlagbaren Vakuumkammem (7, 8) zusammen der Saugseite eines Gebläses (38) zugeführt werden, die Druckseite des Gebläses (38) an eine über ein Druckregelventil (42) ins Freie führende Leitung (41) angeschlossen ist, und die Druckleitung (20) zur Druckkammer (9) vor dem Druckregelventil (42) an die Druckleitung (41) des Gebläses (38) angeschlossen ist.
- Zugwalze nach einem der Ansprüche 1 bis 9, gekennzeichnet durch eine Regel- oder Steuereinrichtung, die-den Unterdruck in der ersten Vakuumkammer (7) in Abhängigkeit von der Bahngeschwindigkeit und/oder dem Bahnzug einstellt.
- Zugwalze nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass das feststehende Innenbauteil um die Walzenachse verdrehbar gelagert ist.
- Zugwalze nach Anspruch 11, gekennzeichnet durch einen Stellmotor zum Drehen des Innenbauteils und durch eine Steuer- oder Regeleinrichtung, die den Stellmotor nach vorgegebenen Algorithmen steuert.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19847799 | 1998-10-16 | ||
DE19847799A DE19847799A1 (de) | 1998-10-16 | 1998-10-16 | Zugwalze für bahnförmige Materialien, insbesondere für Papier- oder Kartonbahnen, Kunststoff- oder Metallfolien |
PCT/EP1999/007075 WO2000023366A1 (de) | 1998-10-16 | 1999-09-23 | Zugwalze für bahnförmige materialien, insbesondere für papier- oder kartonbahnen, kunststoff- oder metallfolien |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1121317A1 EP1121317A1 (de) | 2001-08-08 |
EP1121317B1 true EP1121317B1 (de) | 2002-08-07 |
Family
ID=7884724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99948837A Expired - Lifetime EP1121317B1 (de) | 1998-10-16 | 1999-09-23 | Zugwalze für bahnförmige materialien, insbesondere für papier- oder kartonbahnen, kunststoff- oder metallfolien |
Country Status (9)
Country | Link |
---|---|
US (1) | US6585139B1 (de) |
EP (1) | EP1121317B1 (de) |
JP (1) | JP2002527320A (de) |
AT (1) | ATE221847T1 (de) |
CA (1) | CA2343908A1 (de) |
DE (2) | DE19847799A1 (de) |
ES (1) | ES2182572T3 (de) |
NO (1) | NO20011651L (de) |
WO (1) | WO2000023366A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7040038B1 (en) * | 1998-09-02 | 2006-05-09 | Metso Paper Usa, Inc. | Apparatus for processing permeable or semi-permeable webs |
SE520009C2 (sv) * | 2001-09-17 | 2003-05-06 | Sca Hygiene Prod Ab | Förfarande och anordning för komprimering av fiberkroppar |
US6625853B2 (en) | 2001-09-17 | 2003-09-30 | Sca Hygiene Products Ab | Method of compressing fibrous bodies |
DE10257496B3 (de) * | 2002-12-10 | 2004-10-14 | Bachofen & Meier Ag | Vakuum-Kühlwalze |
US11230453B2 (en) * | 2003-02-18 | 2022-01-25 | Körber Tissue Fold S.R.L. | Roller for conveying a web or sheet of paper in paper converting machines and conveying method thus obtained |
SE527838C2 (sv) * | 2004-07-02 | 2006-06-20 | Sandvik Intellectual Property | En rotationskniv och en rotationsknivanordning försedd med en dylik rotationskniv |
FI6411U1 (fi) * | 2004-07-02 | 2004-10-12 | Metso Paper Inc | Verhopäällystin |
US7367264B2 (en) * | 2004-07-30 | 2008-05-06 | Beaudry Wallace J | Method and apparatus for treating sheets including a vacuum roller for retaining sheets in curved configuration |
US7955550B2 (en) * | 2007-04-20 | 2011-06-07 | Lrm Industries International, Inc | Method of preparing a molded article |
US8602198B2 (en) * | 2010-12-17 | 2013-12-10 | Kimberly-Clark Worldwide, Inc. | Vacuum roll and method of use |
US20120157279A1 (en) * | 2010-12-20 | 2012-06-21 | Uwe Schneider | Process and Apparatus for Joining Flexible Components |
US8852068B2 (en) | 2011-04-21 | 2014-10-07 | C.G. Bretting Manufacturing Co., Inc. | Tube in a tube mechanical folding roll |
CN102653161A (zh) * | 2012-05-09 | 2012-09-05 | 中国人民银行印制科学技术研究所 | 一种印刷滚筒 |
US8939445B2 (en) | 2013-05-30 | 2015-01-27 | Kimberly-Clark Worldwide, Inc. | Vacuum roll with internal rotary valve |
WO2017009122A1 (de) * | 2015-07-13 | 2017-01-19 | Oerlikon Textile Gmbh & Co. Kg | Kühltrommel zum abkühlen eines fadenstopfens |
CN109399312A (zh) * | 2018-12-25 | 2019-03-01 | 美塞斯(珠海)工业自动化设备有限公司 | 一种真空辊 |
CN110143047B (zh) * | 2019-07-03 | 2024-06-14 | 万军霞 | 一种冷烫承印辊 |
DE102019218265A1 (de) * | 2019-11-26 | 2021-05-27 | Multivac Sepp Haggenmüller Se & Co. Kg | Verpackungsmaschine mit abgedichteter umlenkrolle |
WO2022107057A1 (en) * | 2020-11-20 | 2022-05-27 | Körber Tissue Fold S.R.L. | Suction roll of a web, or sheet, of paper in a paper converting machine |
CN113788350A (zh) * | 2021-09-24 | 2021-12-14 | 绍兴市柯桥区伟峰纺织品有限公司 | 弹性布料传送装置 |
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US2199455A (en) * | 1935-09-09 | 1940-05-07 | Beloit Iron Works | Suction roll |
US2929450A (en) * | 1957-07-18 | 1960-03-22 | Escher Wyss Gmbh | Suction roll for drying pulp webs, more especially in the paper and cellulose industry |
US2995186A (en) * | 1960-04-22 | 1961-08-08 | Pulp Paper Res Inst | Apparatus for making formed fibrous webs |
DE1474973B2 (de) | 1966-08-01 | 1970-08-13 | Agfa-Gevaert Ag, 5090 Leverkusen | Saugwalze zum Übertragen eines Drehmomentes |
US3515637A (en) * | 1967-03-27 | 1970-06-02 | Allis Chalmers Mfg Co | Papermaking machine press section |
US3902960A (en) * | 1972-08-30 | 1975-09-02 | Olinkraft Inc | Water control system for suction rolls in papermaking machines |
DE3100814A1 (de) * | 1981-01-13 | 1982-07-29 | Günter O. 7432 Urach Stumpf | Vorgabewalze |
CH665168A5 (de) * | 1983-09-12 | 1988-04-29 | Paul Aschwanden | Saugwalze zum foerdern von bahn- oder bogenfoermigem material. |
US4838982A (en) * | 1987-06-26 | 1989-06-13 | H.G. Weber & Co., Inc. | Patch applicator vacuum cylinder for web material |
DE3914761A1 (de) * | 1989-03-08 | 1990-11-15 | Voith Gmbh J M | Leitwalze fuer ein poroeses band, beispielsweise fuer ein trockensieb einer papiermaschine |
DE3913292A1 (de) * | 1989-04-22 | 1990-10-25 | Voith Gmbh J M | Zylinder zur fuehrung von laufenden warenbahnen |
US5230456A (en) * | 1989-08-30 | 1993-07-27 | De La Rue Giori, S.A. | Draw-roller unit for a web-printing machine |
US5232141A (en) * | 1989-11-01 | 1993-08-03 | Basf Magnetics Gmbh | Suction roller arrangement for transporting web-form material |
FI83977C (fi) * | 1989-11-06 | 1991-09-25 | Valmet Paper Machinery Inc | Gapformare i pappersmaskin. |
DE4042168A1 (de) * | 1990-12-29 | 1992-07-09 | Goebel Gmbh Maschf | Walze mit kraefteausuebenden bereichen |
JP2630870B2 (ja) * | 1991-07-17 | 1997-07-16 | 株式会社ベルマティック | サクションロール |
DE9205154U1 (de) * | 1992-04-14 | 1992-06-04 | Florian Bauer GmbH & Co. Maschinenbau KG, 5030 Hürth | Saugwalze |
EP1050621A3 (de) * | 1999-05-07 | 2001-03-28 | Voith Paper Patent GmbH | Vorrichtung zur Behandlung einer Materialbahn |
-
1998
- 1998-10-16 DE DE19847799A patent/DE19847799A1/de not_active Withdrawn
-
1999
- 1999-09-23 JP JP2000577105A patent/JP2002527320A/ja active Pending
- 1999-09-23 ES ES99948837T patent/ES2182572T3/es not_active Expired - Lifetime
- 1999-09-23 WO PCT/EP1999/007075 patent/WO2000023366A1/de active IP Right Grant
- 1999-09-23 US US09/807,336 patent/US6585139B1/en not_active Expired - Fee Related
- 1999-09-23 AT AT99948837T patent/ATE221847T1/de not_active IP Right Cessation
- 1999-09-23 DE DE59902294T patent/DE59902294D1/de not_active Expired - Lifetime
- 1999-09-23 EP EP99948837A patent/EP1121317B1/de not_active Expired - Lifetime
- 1999-09-23 CA CA002343908A patent/CA2343908A1/en not_active Abandoned
-
2001
- 2001-04-02 NO NO20011651A patent/NO20011651L/no unknown
Also Published As
Publication number | Publication date |
---|---|
ES2182572T3 (es) | 2003-03-01 |
CA2343908A1 (en) | 2000-04-27 |
US6585139B1 (en) | 2003-07-01 |
DE59902294D1 (de) | 2002-09-12 |
EP1121317A1 (de) | 2001-08-08 |
ATE221847T1 (de) | 2002-08-15 |
NO20011651D0 (no) | 2001-04-02 |
DE19847799A1 (de) | 2000-04-20 |
NO20011651L (no) | 2001-04-02 |
JP2002527320A (ja) | 2002-08-27 |
WO2000023366A1 (de) | 2000-04-27 |
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