EP1749922A1 - Disk or disksegment and apparatus using such disks or disksegments - Google Patents
Disk or disksegment and apparatus using such disks or disksegments Download PDFInfo
- Publication number
- EP1749922A1 EP1749922A1 EP06013801A EP06013801A EP1749922A1 EP 1749922 A1 EP1749922 A1 EP 1749922A1 EP 06013801 A EP06013801 A EP 06013801A EP 06013801 A EP06013801 A EP 06013801A EP 1749922 A1 EP1749922 A1 EP 1749922A1
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- European Patent Office
- Prior art keywords
- elevations
- plate
- depressions
- segment according
- plates
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- 230000007423 decrease Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 description 14
- 239000000835 fiber Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
- D21D1/306—Discs
Definitions
- the invention relates to a plate or a plate segment with circular elevations and depressions and a device with such plates or plate segments.
- Such plates or plate segments are e.g. used in dispersers, grinders and de-papering papermaking.
- Dispersing devices serve to improve the quality of pulp suspensions and, in particular, to remove paint particles from the fibers and to reduce the size of the paint particles and other debris below a visible size.
- the pulp suspension between two circular plates, one of which is stationary and the other is rotated, transported radially outward through a gap between these plates, wherein the pulp suspension or the fibers are exposed in this suspension high shear forces.
- the plates or plate segments have e.g. the disperser, circular arc-shaped elevations and depressions between these surveys, wherein the elevations are formed by elongated teeth, which are aligned in the radial direction.
- the rows of teeth engage in the circular-arc-shaped recesses of the opposite plate, wherein the pulp suspension partially flows through radially between the teeth and are partially exposed between the teeth and the opposite plate the shear forces mentioned.
- the invention is based on the object to provide plates or plate segments and devices with such plates or plate segments, in particular for dispersing, but also grinding devices and Entstipper available with which the dispersing, grinding and de-staking on the one hand more effective and on the other hand fiber-friendly can be performed.
- teeth are dispensed with in at least part of the elevations, that is to say that the elevations are of continuous circular arc shape. It has been found that such an embodiment of the protuberances not only brings increased fiber protection, since the shearing forces are introduced gently via the friction and not over the edges of the teeth, but also that the entire pulp suspension disperses more effectively, is milled or entstippt because the entire pulp suspension must flow through the gap between the elevations and the opposite plate and thus processed without it being possible, as in the prior art, that a part of the pulp suspension through the spaces between the teeth can flow through without being dispersed, ground or staked.
- the device according to the invention can preferably also be used at elevated power to increase the strength values (grinding).
- the elevations and / or the elevations associated depressions may be either rectangular, trapezoidal, triangular, round or partially rounded, where the cross-sectional shape of all elevations and / or depressions may be performed substantially the same.
- the cross-sectional shape of individual elevations and / or depressions or groups of elevations and / or depressions are designed differently.
- the choice of the shape of the surveys and the decision as to whether all elevations and / or depressions are the same or different depends on the particular application, i. the subsequent intended use of the pulp suspension and thus the quality to be produced, and is dependent on it.
- the height or depth of the elevations or depressions increases radially from the inside to the outside. This improves the dispersing or grinding action or deflaking.
- a preferred embodiment of the invention may further be provided that continuous circular arc-shaped elevations and elevations with interruptions, which are designed in particular tooth-shaped, are provided.
- the surveys according to the invention made in a continuous circular arc are combined with projections, as known from the prior art and e.g. tooth-shaped executed.
- advantages of the present invention continuously circular arc running surveys can be combined with advantages associated with tooth-shaped elevations.
- the elevations in the radially outer region are continuously circular arc-shaped, whereas they in the radially inner region with Interruptions are executed or vice versa. It is also possible that continuously circular arcs and elevations alternate with interruptions.
- the selection of the combination depends on the quality of the fibrous suspension to be processed or the quality of the pulp suspension to be produced and can be carried out arbitrarily within the scope of the invention.
- Another advantage of the invention is that the wear and thus wear-related costs can be significantly reduced, since the continuous surfaces of the circular arc-shaped elevations are subject to much lower wear than the teeth in the prior art and that the power requirement of the device can be reduced.
- an advantage lies in the fact that in embodiments of devices which operate under high vapor pressure, in particular dispersed by the pulp suspension is supplied under high vapor pressure, the vapor-tightness of the device is substantially higher, since the pressurized steam standing up the technique between the teeth could escape radially outward, which is no longer possible in the device according to the invention in the continuous elevations.
- the gap width decreases radially from the inside out.
- the cross-sectional area of the gap would increase linearly from inside to outside at a constant gap distance, so that the flow velocity would be correspondingly reduced, which can be prevented by the gap width decreasing outwards.
- FIG. 1 shows schematically in axial section plates of a dispersing device according to the invention
- 2 shows a dispersing plate segment according to the invention in plan view
- FIGS. 3-6 show cross-sectional shapes of plate segments in a section along the line III-III in FIG. 2
- Fig. 1 two support plates are shown schematically 1.2 a dispersing device, of which the support plate 1 is mounted rigidly and the support plate 2 fixed to a drive shaft 3 is rotated about an axis 4. Fibrous suspension is supplied through a central opening 5 in the support plate 1, as symbolized by the arrows 6, and therefore flows from the inside to the outside through a gap 7, while it is dispersed.
- Dispergierplattensegmente 8 are fixed to the support plates 1 and 2, on which elevations 9 and depressions 10 are mounted, which interlock with the elevations 9 and depressions 10 of the opposite Dispergierplattensegmente mutually interlocked.
- plate segments and annular plates can be used, which are mounted either on the support plates 1, 2 or directly to the drive shaft 3 or fixed to the housing.
- the elevations 9 are, as shown particularly in Fig. 2 on a Dispergierplattensegment 8, continuously circular arc-shaped, although it is possible within the scope of the invention that not all elevations 9 are continuously circular arc-shaped, but it is also possible that continuous circular arc-shaped elevations 9 individually with alternating known from the prior art tooth-shaped elevations or groups of circular arcs elevations alternating with groups of tooth-shaped elevations. It is also possible that, for example, only tooth-shaped elevations are located in the radially inner area, whereas in the radially outer area there are only continuously circular elevations and vice versa.
- elevations 9 various embodiments are conceivable, for example in Fig.3 rectangular elevations 9a, in Fig. Trapezoidal elevations 9b, in Fig. 5 triangular elevations 9c and in Fig. 6 rounded elevations 9d are shown. Accordingly, the depressions 10a to 10c are also rectangular, trapezoidal or rounded.
- dispersing plate segments 8 are shown in which all elevations 9a to 9d on a segment 8 always have the same cross-sectional shape. However, it is also possible to combine the cross-sectional shape of the individual elevations 9a to 9d and depressions 10a to 10c so that any combinations of elevations 9a to 9d and corresponding depressions 10a to 10c can be present on a segment 8. These cross-sectional shapes and combinations thereof are equally applicable to annular plates.
- the width of the gap 7 in the invention can decrease from inside to outside, e.g. a constant flow rate of the pulp suspension can be ensured from the inside out.
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Abstract
Description
Die Erfindung betrifft eine Platte oder ein Plattensegment mit kreisbogenförmigen Erhebungen und Vertiefungen sowie eine Vorrichtung mit derartigen Platten oder Plattensegmenten.The invention relates to a plate or a plate segment with circular elevations and depressions and a device with such plates or plate segments.
Derartige Platten oder Plattensegmente werden z.B. in Dispergiervorrichtungen, Mahlvorrichtungen sowie Entstippern bei der Papierherstellung verwendet.Such plates or plate segments are e.g. used in dispersers, grinders and de-papering papermaking.
Dispergiervorrichtungen zum Beispiel dienen zum Verbessern der Qualität von Faserstoffsuspensionen und insbesondere zum Entfernen von Farbteilchen von den Fasern und zum Verringern der Größe der Farbteilchen und anderer Schmutzteilchen unter eine sichtbare Größe. Dazu wird die Faserstoffsuspension zwischen zwei kreisförmigen Platten, von denen eine still steht und die andere gedreht wird, radial nach außen durch einen Spalt zwischen diesen Platten befördert, wobei die Faserstoffsuspension bzw. die Fasern in dieser Suspension hohen Scherkräften ausgesetzt werden.Dispersing devices, for example, serve to improve the quality of pulp suspensions and, in particular, to remove paint particles from the fibers and to reduce the size of the paint particles and other debris below a visible size. For this purpose, the pulp suspension between two circular plates, one of which is stationary and the other is rotated, transported radially outward through a gap between these plates, wherein the pulp suspension or the fibers are exposed in this suspension high shear forces.
Im Stand der Technik weisen die Platten oder Plattensegmente z.B. der Dispergiervorrichtung, kreisbogenförmig angeordnete Erhebungen sowie Vertiefungen zwischen diesen Erhebungen auf, wobei die Erhebungen durch längliche Zähne gebildet werden, die in radialer Richtung ausgerichtet sind. Die Zahnreihen greifen in die kreisbogenförmigen Vertiefungen der gegenüberliegenden Platte ein, wobei die Faserstoffsuspension teilweise zwischen den Zähnen radial durchströmt und teilweise zwischen den Zähnen und der gegenüberliegenden Platte den erwähnten Scherkräften ausgesetzt werden.In the prior art, the plates or plate segments have e.g. the disperser, circular arc-shaped elevations and depressions between these surveys, wherein the elevations are formed by elongated teeth, which are aligned in the radial direction. The rows of teeth engage in the circular-arc-shaped recesses of the opposite plate, wherein the pulp suspension partially flows through radially between the teeth and are partially exposed between the teeth and the opposite plate the shear forces mentioned.
Der Erfindung liegt die Aufgabe zu Grunde, Platten oder Plattensegmente und Vorrichtungen mit derartigen Platten oder Plattensegmenten, insbesondere für Dispergiervorrichtungen, aber auch Mahlvorrichtungen und Entstipper zur Verfügung zu stellen, mit denen das Dispergieren, Mahlen und Entstippen einerseits effektiver und andererseits faserschonender durchgeführt werden kann.The invention is based on the object to provide plates or plate segments and devices with such plates or plate segments, in particular for dispersing, but also grinding devices and Entstipper available with which the dispersing, grinding and de-staking on the one hand more effective and on the other hand fiber-friendly can be performed.
Gelöst wird diese Aufgabe mit einer Platte oder einem Plattensegment mit den Merkmalen des Anspruches 1 und mit einer Vorrichtung mit den Merkmalen des Anspruches 13 oder 14.This object is achieved with a plate or a plate segment having the features of
Bei der Erfindung wird bei wenigstens einem Teil der Erhebungen auf Zähne verzichtet, d.h., dass die Erhebungen durchgehend kreisbogenförmig ausgeführt sind. Es hat sich gezeigt, dass eine derartige Ausführung der Erhebungen nicht nur eine erhöhte Faserschonung bringt, da die Scherkräfte sanft über die Reibung und nicht über die Kanten der Zähne eingebracht werden, sondern auch, dass die gesamte Faserstoffsuspension effektiver dispergiert, gemahlen oder entstippt wird, da die gesamte Faserstoffsuspension durch den Spalt zwischen den Erhebungen und der gegenüberliegenden Platte durchströmen muss und somit bearbeitet wird, ohne dass es wie im Stand der Technik möglich ist, dass ein Teil der Faser- stoffsuspension durch die Zwischenräume zwischen den Zähnen durchströmen kann ohne dispergiert, gemahlen oder entstippt zu werden.In the invention, teeth are dispensed with in at least part of the elevations, that is to say that the elevations are of continuous circular arc shape. It has been found that such an embodiment of the protuberances not only brings increased fiber protection, since the shearing forces are introduced gently via the friction and not over the edges of the teeth, but also that the entire pulp suspension disperses more effectively, is milled or entstippt because the entire pulp suspension must flow through the gap between the elevations and the opposite plate and thus processed without it being possible, as in the prior art, that a part of the pulp suspension through the spaces between the teeth can flow through without being dispersed, ground or staked.
Es hat sich des Weiteren gezeigt, dass die erfindungsgemäße Vorrichtung bevorzugt bei erhöhter Leistung auch zur Erhöhung der Festigkeitswerte (Mahlung) eingesetzt werden kann.It has also been shown that the device according to the invention can preferably also be used at elevated power to increase the strength values (grinding).
Die Erhebungen und/oder die den Erhebungen zugeordneten Vertiefungen können entweder rechteckig, trapezförmig, dreieckig, rund oder bereichsweise abgerundet ausgeführt sein, wobei die Querschnittsform aller Erhebungen und/oder Vertiefungen im Wesentlichen gleich ausgeführt sein kann. Alternativ ist es natürlich auch möglich, dass die Querschnittsform einzelner Erhebungen und/oder Vertiefungen oder von Gruppen von Erhebungen und/oder Vertiefungen unterschiedlich ausgeführt sind. Die Auswahl der Form der Erhebungen und die Entscheidung, ob alle Erhebungen und/oder Vertiefungen gleich oder unterschiedlich ausgeführt sind, hängt vom jeweiligen Einsatzzweck, d.h. dem späteren Verwendungszweck der Faserstoffsuspension und somit der herzustellenden Qualität, ab und ist abhängig davon auszuwählen.The elevations and / or the elevations associated depressions may be either rectangular, trapezoidal, triangular, round or partially rounded, where the cross-sectional shape of all elevations and / or depressions may be performed substantially the same. Alternatively, it is of course also possible that the cross-sectional shape of individual elevations and / or depressions or groups of elevations and / or depressions are designed differently. The choice of the shape of the surveys and the decision as to whether all elevations and / or depressions are the same or different depends on the particular application, i. the subsequent intended use of the pulp suspension and thus the quality to be produced, and is dependent on it.
In einer bevorzugten Ausführungsform der Erfindung kann des weiteren vorgesehen sein, dass die Höhe bzw. Tiefe der Erhebungen bzw. Vertiefungen radial von innen nach außen zunimmt. Dadurch wird die Dispergier- oder Mahlwirkung oder Entstippung verbessert.In a preferred embodiment of the invention, it can further be provided that the height or depth of the elevations or depressions increases radially from the inside to the outside. This improves the dispersing or grinding action or deflaking.
In einer bevorzugten Ausführungsform der Erfindung kann des weiteren vorgesehen sein, dass durchgehend kreisbogenförmige Erhebungen und Erhebungen mit Unterbrechungen, die insbesondere zahnförmig ausgeführt sind, vorgesehen sind. Bei dieser Ausführungsform werden die erfindungsgemäßen, durchgehend kreisbogenförmig ausgeführten Erhebungen mit Erhebungen kombiniert, wie sie aus dem Stand der Technik bekannt und z.B. zahnförmig ausgeführt sind. Auf diese Weise können Vorteile der erfindungsgemäß durchgehend kreisbogenförmig ausgeführten Erhebungen mit Vorteilen kombiniert werden, die mit zahnförmig ausgeführten Erhebungen verbunden sind.In a preferred embodiment of the invention may further be provided that continuous circular arc-shaped elevations and elevations with interruptions, which are designed in particular tooth-shaped, are provided. In this embodiment, the surveys according to the invention made in a continuous circular arc are combined with projections, as known from the prior art and e.g. tooth-shaped executed. In this way, advantages of the present invention continuously circular arc running surveys can be combined with advantages associated with tooth-shaped elevations.
Dabei kann im Rahmen der Erfindung z.B. vorgesehen sein, dass die Erhebungen im radial weiter außen liegenden Bereich durchgehend kreisbogenförmig ausgeführt sind, wogegen sie im radial weiter innen liegenden Bereich mit Unterbrechungen ausgeführt sind oder umgekehrt. Es ist auch möglich, dass durchgehend kreisbogenförmige Erhebungen und Erhebungen mit Unterbrechungen einander abwechseln.It can be provided in the context of the invention, for example, that the elevations in the radially outer region are continuously circular arc-shaped, whereas they in the radially inner region with Interruptions are executed or vice versa. It is also possible that continuously circular arcs and elevations alternate with interruptions.
Auch hier ist die Auswahl der Kombination wiederum von der Qualität der zu verarbeitenden Faserstoffsuspension bzw. der Qualität der herzustellenden Faserstoffsuspension abhängig und kann im Rahmen der Erfindung beliebig ausgeführt sein.Again, the selection of the combination in turn depends on the quality of the fibrous suspension to be processed or the quality of the pulp suspension to be produced and can be carried out arbitrarily within the scope of the invention.
Ein weiterer Vorteil der Erfindung liegt darin, dass der Verschleiß und somit verschleißbedingte Folgekosten erheblich verringert werden können, da die durchgehenden Flächen der kreisbogenförmigen Erhebungen einem wesentlich geringeren Verschleiß unterliegen als die Zähne im Stand der Technik und dass auch der Leistungsbedarf der Vorrichtung verringert werden kann. Ein Vorteil liegt schließlich auch noch darin, dass bei Ausführungsformen von Vorrichtungen, bei denen unter hohem Dampfdruck gearbeitet, insbesondere dispergiert, wird indem die Faserstoffsuspension unter hohem Dampfdruck zugeführt wird, die Dampfdichtheit der Vorrichtung wesentlich höher ist, da der unter Druck stehende Dampf im Stand der Technik zwischen den Zähnen radial nach außen entweichen konnte, was bei der erfindungsgemäßen Vorrichtung bei den durchgehenden Erhebungen nicht mehr möglich ist.Another advantage of the invention is that the wear and thus wear-related costs can be significantly reduced, since the continuous surfaces of the circular arc-shaped elevations are subject to much lower wear than the teeth in the prior art and that the power requirement of the device can be reduced. Finally, an advantage lies in the fact that in embodiments of devices which operate under high vapor pressure, in particular dispersed by the pulp suspension is supplied under high vapor pressure, the vapor-tightness of the device is substantially higher, since the pressurized steam standing up the technique between the teeth could escape radially outward, which is no longer possible in the device according to the invention in the continuous elevations.
Im Rahmen der Erfindung ist des weiteren bevorzugt, wenn die Spaltweite radial von innen nach außen abnimmt. Bei dieser Ausführungsform wird darauf Rücksicht genommen, dass die Querschnittsfläche des Spaltes von innen nach außen bei konstantem Spaltabstand linear zunehmen würde, sodass sich die Strömungsgeschwindigkeit entsprechend verringern würde, was durch die nach außen abnehmende Spaltweite verhindert werden kann.In the context of the invention is further preferred when the gap width decreases radially from the inside out. In this embodiment, it is considered that the cross-sectional area of the gap would increase linearly from inside to outside at a constant gap distance, so that the flow velocity would be correspondingly reduced, which can be prevented by the gap width decreasing outwards.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele der Erfindung an Hand einer Dispergiervorrichtung unter Bezugnahme auf die Zeichnungen.Further features and advantages of the invention will become apparent from the following description of preferred embodiments of the invention with reference to a dispersing device with reference to the drawings.
Es zeigt: Fig. 1 schematisch Platten einer erfindungsgemäßen Dispergiervorrichtung im Achsialschnitt; Fig. 2 ein erfindungsgemäßes Dispergierplattensegment in Draufsicht und die Fig. 3-6 Querschnittsformen von Plattensegmenten in einem Schnitt entlang der Linie III-III in Fig. 21 shows schematically in axial section plates of a dispersing device according to the invention; 2 shows a dispersing plate segment according to the invention in plan view and FIGS. 3-6 show cross-sectional shapes of plate segments in a section along the line III-III in FIG. 2
In Fig. 1 sind schematisch zwei Trägerplatten 1,2 einer Dispergiervorrichtung dargestellt, von denen die Trägerplatte 1 starr gelagert ist und die Trägerplatte 2 an einer Antriebswelle 3 befestigt um eine Achse 4 gedreht wird. Faserstoffsuspension wird durch eine zentrale Öffnung 5 in der Trägerplatte 1 zugeführt, wie durch die Pfeile 6 symbolisiert ist, und strömt daher von innen nach außen durch einen Spalt 7, während sie dispergiert wird.In Fig. 1, two support plates are shown schematically 1.2 a dispersing device, of which the
An den Trägerplatten 1 und 2 sind üblicherweise Dispergierplattensegmente 8 befestigt, an denen Erhebungen 9 und Vertiefungen 10 angebracht sind, die mit den Erhebungen 9 und Vertiefungen 10 der gegenüberliegenden Dispergierplattensegmente wechselseitig ineinander greifen. An Stelle von Plattensegmenten können auch kreisringförmige Platten verwendet werden, die entweder an den Trägerplatten 1, 2 oder direkt an der Antriebswelle 3 bzw. gehäusefest montiert sind.
Die Erhebungen 9 sind, wie insbesondere Fig. 2 an einem Dispergierplattensegment 8 zeigt, durchgehend kreisbogenförmig ausgeführt, wobei es allerdings im Rahmen der Erfindung möglich ist, dass nicht alle Erhebungen 9 durchgehend kreisbogenförmig ausgeführt sind, sondern es auch möglich ist, dass durchgehend kreisbogenförmige Erhebungen 9 sich einzeln mit aus dem Stand der Technik an sich bekannten zahnförmigen Erhebungen abwechseln oder Gruppen von kreisbogenförmigen Erhebungen sich mit Gruppen von zahnförmigen Erhebungen abwechseln. Es ist auch möglich, dass sich beispielsweise im radial inneren Bereich nur zahnförmige Erhebungen befinden, wogegen sich im radial äußeren Bereich nur durchgehend kreisbogenförmige Erhebungen befinden und umgekehrt.The
Hinsichtlich der Querschnittsformen der Erhebungen 9 sind verschiedenste Ausführungsformen denkbar, wobei beispielhaft in Fig.3 rechteckige Erhebungen 9a, in Fig. 4 trapezförmige Erhebungen 9b, in Fig. 5 dreieckförmige Erhebungen 9c und in Fig. 6 abgerundete Erhebungen 9d dargestellt sind. Dementsprechend sind die Vertiefungen 10a bis 10c ebenfalls rechteckig, trapezförmig oder abgerundet.With regard to the cross-sectional shapes of the
In den Fig. 3 bis 6 sind Dispergierplattensegmente 8 dargestellt, bei denen alle Erhebungen 9a bis 9d auf einem Segment 8 immer die gleiche Querschnittsform aufweisen. Es ist allerdings auch möglich die Querschnittsform der einzelnen Erhebungen 9a bis 9d und Vertiefungen 10a bis 10c zu kombinieren, sodass auf einem Segment 8 auch beliebige Kombinationen von Erhebungen 9a bis 9d und dementsprechende Vertiefungen 10a bis 10c vorhanden sein können. Diese Querschnittsformen und deren Kombinationen sind gleichermaßen bei kreisringförmigen Platten anwendbar.In FIGS. 3 to 6, dispersing
Wie Fig. 1 zeigt kann die Weite des Spaltes 7 bei der Erfindung von innen nach außen abnehmen, sodass z.B. eine konstante Strömungsgeschwindigkeit der Faserstoffsuspension von innen nach außen gewährleistet werden kann.As shown in Fig. 1, the width of the
Claims (14)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0131905A AT502541B1 (en) | 2005-08-04 | 2005-08-04 | PLATE OR PLATE SEGMENT AND DEVICE WITH SUCH PLATES OR PLATE SEGMENTS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1749922A1 true EP1749922A1 (en) | 2007-02-07 |
| EP1749922B1 EP1749922B1 (en) | 2012-06-13 |
Family
ID=37307051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06013801A Expired - Fee Related EP1749922B1 (en) | 2005-08-04 | 2006-07-04 | Device for treating a fibre suspension and disk segment for use in such a device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20070029424A1 (en) |
| EP (1) | EP1749922B1 (en) |
| AT (1) | AT502541B1 (en) |
| CA (1) | CA2551772A1 (en) |
Cited By (4)
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| DE102008007888A1 (en) * | 2008-02-07 | 2009-08-13 | Voith Patent Gmbh | Apparatus for processing pulp for paper or board production |
| ITVR20100165A1 (en) * | 2010-08-06 | 2012-02-07 | Airaghi S R L Off | REPLACEMENT PART FOR DISC REFINERS FOR PAPER PRODUCTION |
| EP2562307A1 (en) | 2011-08-26 | 2013-02-27 | Officine Airaghi Srl | Spare parts for disc refiners for the production of paper |
| WO2022058760A1 (en) * | 2020-09-18 | 2022-03-24 | Gela Sulaberidze | The method for production of food bran of wheat and a device for its realization |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8882010B2 (en) * | 2008-01-29 | 2014-11-11 | The Violina Syndicate, Llc | Herb grinder |
| US9015140B2 (en) * | 2010-12-30 | 2015-04-21 | Yahoo! Inc. | System and method for providing contextual actions on a search results page |
| CN111270543B (en) * | 2020-02-27 | 2022-06-21 | 安德里茨（中国）有限公司 | Refiner grinding disc, refiner rotor and refiner with refiner grinding disc |
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- 2006-07-04 EP EP06013801A patent/EP1749922B1/en not_active Expired - Fee Related
- 2006-07-10 CA CA002551772A patent/CA2551772A1/en not_active Abandoned
- 2006-08-03 US US11/498,628 patent/US20070029424A1/en not_active Abandoned
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008007888A1 (en) * | 2008-02-07 | 2009-08-13 | Voith Patent Gmbh | Apparatus for processing pulp for paper or board production |
| WO2009097963A2 (en) * | 2008-02-07 | 2009-08-13 | Voith Patent Gmbh | Device for treating fibrous material for the manufacture of paper or cardboard |
| WO2009097963A3 (en) * | 2008-02-07 | 2009-10-01 | Voith Patent Gmbh | Device for treating fibrous material for the manufacture of paper or cardboard |
| ITVR20100165A1 (en) * | 2010-08-06 | 2012-02-07 | Airaghi S R L Off | REPLACEMENT PART FOR DISC REFINERS FOR PAPER PRODUCTION |
| US8870109B2 (en) | 2010-08-06 | 2014-10-28 | Officine Airaghi S.R.L. | Spare part for disc refiners for the production of paper |
| EP2562307A1 (en) | 2011-08-26 | 2013-02-27 | Officine Airaghi Srl | Spare parts for disc refiners for the production of paper |
| WO2022058760A1 (en) * | 2020-09-18 | 2022-03-24 | Gela Sulaberidze | The method for production of food bran of wheat and a device for its realization |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1749922B1 (en) | 2012-06-13 |
| CA2551772A1 (en) | 2007-02-04 |
| AT502541A1 (en) | 2007-04-15 |
| US20070029424A1 (en) | 2007-02-08 |
| AT502541B1 (en) | 2008-01-15 |
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