EP1050340B1 - Shredding device for material to be shredded by knife action, having a rotor mounted in a housing - Google Patents

Shredding device for material to be shredded by knife action, having a rotor mounted in a housing Download PDF

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Publication number
EP1050340B1
EP1050340B1 EP00108538A EP00108538A EP1050340B1 EP 1050340 B1 EP1050340 B1 EP 1050340B1 EP 00108538 A EP00108538 A EP 00108538A EP 00108538 A EP00108538 A EP 00108538A EP 1050340 B1 EP1050340 B1 EP 1050340B1
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EP
European Patent Office
Prior art keywords
reducing device
panel
wall
rotor
housing
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
Application number
EP00108538A
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German (de)
French (fr)
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EP1050340A1 (en
Inventor
Manfred Lindner
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.)
Lindner-Recyclingtech GmbH
Original Assignee
Lindner-Recyclingtech GmbH
LINDNER RECYCLINGTECH GmbH
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26062463&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1050340(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE29907584U external-priority patent/DE29907584U1/en
Priority claimed from DE29915606U external-priority patent/DE29915606U1/en
Application filed by Lindner-Recyclingtech GmbH, LINDNER RECYCLINGTECH GmbH filed Critical Lindner-Recyclingtech GmbH
Publication of EP1050340A1 publication Critical patent/EP1050340A1/en
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Publication of EP1050340B1 publication Critical patent/EP1050340B1/en
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/04—Safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B02C18/2216—Discharge means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B02C18/2225—Feed means
    • B02C18/2233—Feed means of ram or pusher type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B02C18/2225—Feed means
    • B02C18/2275—Feed means using a rotating arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C2018/188—Stationary counter-knives; Mountings thereof

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

Higher shredding efficiency is effected by a sickle-shaped pressure applicator(6) moving against an arc shaped pressure wall and pressing the material to be shredded towards the rotor and counter knives(2). Preferred Features: The pressure wall(5) has an outward swivelling flap in the lower area forming a housing wall(5a) which enables removal of non-shreddable material. The flap has similar curvature to the pressure wall and is mechanically-hydraulicall operated.

Description

Die vorliegende Erfindung betrifft eine Zerkleinerungsvorrichtung, auch "Shredder" genannt, für durch Messereinwirkung zu zerkleinerndes Material, insbesondere für Holzspäne, Kunststoff- und zellstoffhaltiges Material, bei welcher in einem Gehäuse ein mit Zerkleinerungswerkzeugen, insbesondere Messern, versehener Rotor angeordnet ist.The present invention relates to a shredding device, also known as a "shredder". called, for material to be shredded by knife action, in particular for wood chips, plastic and cellulose-containing material, in which in a housing with comminution tools, in particular knives, provided rotor is arranged.

Derartige Zerkleinerungsvorrichtungen, die insbesondere zum Zerkleinern und gegebenenfalls Recyclisieren von Abfällen, insbesondere Holzabfällen, Restholzstücken, Kunststoffen und zellstoffhaltigem Material, Textilien, Teppichen und auch Kautschuk-Reifen geeignet sind, sind dem Stand der Technik an sich bekannt.Such crushing devices, in particular for crushing and optionally recycling of waste, in particular wood waste, pieces of residual wood, Plastics and cellulose-containing material, textiles, carpets and rubber tires are also suitable are state of the art per se known.

Der vorliegenden Erfindung liegt nun die Aufgabe zugrunde, die bekannten Zerkleinerungsvorrichtungen in der Weise zu verbessern, dass das lose Material selbständig zur Schnittstelle fällt und dass die Schneidmesser immer im Materialeingriff sind.The present invention is based on the object, the known Crushers in such a way that improve the loose material falls independently to the interface and that the cutting knife is always in the Are material interference.

Zum nächstkommenden Stand der Technik ist die Europäische Patentanmeldung, Veröffentlichungsnummer 0605382 A1 zu nennen, die eine Vorrichtung zum Zerkleinern von Abfällen, insbesondere Holzabfällen beschreibt, bei der in einem Gehäuse ein mit Zerkleinerungswerkzeugen versehener Rotor horizontal gelagert und oberhalb des Rotors ein Aufgabetrichter vorgesehen ist, wobei das zu zerkleinernde Gut mittels einer quer zur Rotorachse wirksamen Andrückeinrichtung dem Rotor zuführbar ist. Dabei ist eine Bodenplatte 29 des Aufgabetrichters entlang einer Zylindermantelfläche gewölbt. Im Gegensatz dazu weist die Zerkleinerungsvorrichtung gemäß vorliegender Erfindung eine bogenförmige Nachdrückwand auf, die in mehrfacher Hinsicht überraschende Vorteile mit sich bringt. The closest prior art is the European patent application, Publication number 0605382 A1 to name a device describes for shredding waste, in particular wood waste, in which a housing with a rotor equipped with shredding tools horizontally stored and a feed hopper is provided above the rotor, wherein the material to be shredded by means of a pressing device acting transversely to the rotor axis can be fed to the rotor. Here is a bottom plate 29 of the Feed hopper arched along a cylindrical surface. In contrast for this purpose the comminution device according to the present invention has a arch-shaped pressure wall, which is surprising in several ways Brings advantages.

Die oben genannte Aufgabe wird also erfindungsgemäß bei einer Zerkleinerungsvorrichtung der eingangs genannten Gattung dadurch gelöst, dass an einer bogenförmigen Nachdrückwand ein sichelförmiger Nachdrücker für das zu zerkleinernde Material angeordnet ist, der dieses Material zum Rotor bzw. zum Gegenmesser schiebt bzw. drückt, wobei die Wandfläche der Nachdrückwand an ihrem oberen Ende im Wesentlichen vertikal verläuft.The above-mentioned object is therefore achieved according to the invention in a comminution device of the type mentioned at the outset in that at a arcuate presser wall a crescent presser for that too crushing material is arranged, this material to the rotor or Counter knife pushes or pushes, the wall surface of the pressure wall on her upper end is substantially vertical.

Nach einer bevorzugten Ausführungsform weist die bogenförmige Nachdrückwand vorzugsweise an ihrem unteren Endbereich eine Ausklappvorrichtung in Gestalt einer ausschwenkbaren Gehäusewand auf. Diese Ausklappvorrichtung wird vorzugsweise mechanisch-hydraulisch betätigt. Diese Ausklappvorrichtung bewirkt fortschrittlicherweise, dass unzerkleinerbare Fremdkörper bei Blockierung des Rotors entnommen werden können.According to a preferred embodiment, the arcuate pressure wall has preferably a fold-out device in at its lower end region Shape of a swing-out housing wall. This fold-out device is preferably operated mechanically-hydraulically. This fold-out device progressively causes uncrushable foreign bodies when blocked of the rotor can be removed.

Bei den Zerkleinerungsvorrichtungen des Standes der Technik musste bei entsprechenden Situationen der Trichter bzw. der Füllraum entleert werden, wobei eine Bedienungsperson in den Raum einsteigen musste, was, wie die Praxis gezeigt hat, sehr problematisch und mit großer Unfallgefahr verbunden war.In the case of the shredding devices of the prior art, corresponding measures had to be taken Situations of the funnel or the filling chamber are emptied, whereby an operator had to go into the room, what, how the practice has shown, was very problematic and associated with great risk of accident.

Das Wesen vorliegender Erfindung ist weiterhin der beiliegenden Zeichnung 1 (= Figur 1) zu entnehmen. The essence of the present invention is furthermore the enclosed drawing 1 (= Figure 1).

Mit der Bezugsziffer 1 ist der Messerrotor, mit 2 ein nachstellbares Gegenmesser, mit 3 ein nachstellbares Nachschnittmesser, mit 4 ein Sieb, mit 5 eine bogenförmige Nachdrückwand, mit 5a a eine bogenförmige Ausklappvorrichtung in Gestalt einer ausschwenkbaren Gehäusewand, mit 6 ein sichelförmiger Nachdrücker, mit 7 ein Füllraum und mit 8 ein Auslauf für das zerkleinerte Material bezeichnet. Mit 5b ist die Gegenwand bezeichnet. In der Figur 1 ist beispielhaft eine bevorzugte Ausführung der vorliegenden Erfindung dargestellt.With the reference number 1 the knife rotor, with 2 an adjustable counter knife, with 3 an adjustable recutting knife, with 4 a sieve, with 5 an arched one Reprint wall, with 5a a an arcuate fold-out device in Shape of a swing-out housing wall, with 6 a crescent-shaped presser, with 7 a filling space and with 8 an outlet for the shredded material designated. The counter wall is designated 5b. 1 is exemplary a preferred embodiment of the present invention shown.

Eine bevorzugte Ausführungsform wird im folgenden beschrieben.A preferred embodiment is described below.

Bei solchen Zerkleinerungsmaschinen mit einem genügend großen Rotor können auch Materialien, die in Ballen-Form vorliegen, beispielsweise Textilballen, in den Zerkleinerungsraum aufgegeben werden. Bekanntlich benötigt in Ballen-Form vorliegendes Material beim Antransport und bei der Lagerung wesentlich weniger Platz als in loser Form vorliegendes Material, es ist jedoch mit dem Nachteil behaftet, dass in ihm diverse nicht zerkleinerbare Fremdkörper enthalten sind, die bei der Aufgabe des Ballenmaterials in die Zerkleinerungsmaschine nicht feststellbar sind.In such shredding machines with a sufficiently large rotor can also materials that are in bale form, for example textile bales, be placed in the shredding room. As is known, needed in bale form Material present during transport and storage is essential less space than material in bulk, but it is with the A disadvantage is that it contains various foreign objects that cannot be shredded are when the bale material is fed into the shredding machine cannot be determined.

Die Nachteile dieses Standes der Technik werden durch vorliegende Erfindung unter Erreichung von Vorteilen, die weiter unten beschrieben werden, überwunden. The disadvantages of this prior art are overcome by the present invention overcome to achieve the benefits described below.

Das Ballenmaterial und naturgemäß gegebenenfalls daneben auch nicht in Ballen-Form vorliegendes zu zerkleinerndes Material gelangt selbständig zum Schnittvorgang und wird zerkleinert. Dabei werden feste und sperrige Teile durch Drehrichtungswechsel umgeschichtet und auf der gegenüberliegenden Seite der Zerkleinerungsmaschine ebenfalls weiter zerkleinert.The bale material and, of course, possibly also not in bale form The material to be shredded is automatically taken to the Cutting process and is crushed. This creates solid and bulky parts shifted by changing direction of rotation and on the opposite Side of the shredding machine also shredded further.

Dabei garantiert ein eingebautes Sieb, welches in der Siebgröße auswechselbar ist, ein zerkleinertes Gut, beispielsweise ein Granulat in definierter Partikelgröße.A built-in sieve, which can be exchanged in the sieve size, guarantees this is a comminuted product, for example granules in a defined particle size.

In der Praxis ist es jedoch, wie oben bereits ausgeführt, unvermeidlich, dass im aufgegebenen Material und insbesondere im in Ballen-Form aufgegebenen Material diverse nicht zerkleinerbare Fremdkörper enthalten sind, die bei den Zerkleinerungsmaschinen des Standes der Technik nur mühsam durch Ausräumen des gesamten Zerkleinerungsraumes entfernt werden können.In practice, however, as already explained above, it is inevitable that in material abandoned and especially in the form of bales Material contains various non-crushable foreign bodies that are used in the Comminution machines of the prior art are difficult to clear out of the entire shredding area can be removed.

Bei der erfindungsgemäßen Zerkleinerungsmaschine kann demgegenüber bei Erreichen eines eingestellten maximalen Moments, insbesondere Druckmoments, die Seitenwand mit Gegenmesseraufnahme aufklappen, so dass der Fremdkörper günstig ausgeschieden werden kann. In contrast, in the comminution machine according to the invention Reaching a set maximum torque, in particular pressure torque, open the side wall with counter knife holder so that the Foreign bodies can be excreted cheaply.

Die Einstellung dieses Moments kann entweder hydraulisch oder mechanisch erfolgen. Hierdurch wird eine sichere und schnelle Arbeitsweise im Betrieb erreicht.The setting of this moment can be either hydraulic or mechanical respectively. This ensures a safe and fast way of working in the company.

An Hand der beiliegenden Figuren 1a-3a, wird eine bevorzugte beispielhafte Ausführungsform, weiterhin erläutert.Using the enclosed Figures 1a-3a, is a preferred exemplary embodiment, further explained.

In allen Figuren sind die gleichen Bauteile jeweils mit den gleichen Bezugsziffern gekennzeichnet.The same components are given the same reference numbers in all figures characterized.

Figur 1a zeigt einen senkrechten Schnitt durch den Erfindungsgegenstand.Figure 1a shows a vertical section through the subject matter of the invention.

Mit der Bezugsziffer 1a ist der Rotor gekennzeichnet, der auf seiner Oberfläche die Zerkleinerungsmesser 2a trägt.The reference number 1a denotes the rotor, which is on its surface the shredding knife 2a carries.

Mit den Bezugsziffern 1a' und 1b' sind die beiden Drehrichtungen des Rotors gekennzeichnet.With the reference numerals 1a 'and 1b' are the two directions of rotation of the rotor characterized.

Bezugsziffer 3a ist ein Klemmteil, 4a eine Befestigungs- und Abdrückschraube, 5a eine Ausschwenkwand, 6a ein am unteren Ende der Ausschwenkwand 5a angeordnetes oberes Gegenmesser und 7a das entsprechende untere Gegenmesser. Reference number 3a is a clamping part, 4a is a fastening and forcing screw, 5a a swing-out wall, 6a one at the lower end of the swing-out wall 5a arranged upper counter knife and 7a the corresponding lower counter knife.

Mit dem Bezugszeichen 8a ist die Auslösevorrichtung gekennzeichnet, die das Ausschwenken der Ausschwenkwand 5a bewirkt.The triggering device is identified by the reference symbol 8a Swiveling out the swiveling wall 5a causes.

Mit der Bezugsziffer 9a ist ein Zylinder mit Vorspannung gekennzeichnet, der in der Weise mit der Auslösevorrichtung 8a zusammenarbeitet, dass er nach jeweiliger Voreinstellung bei Erreichen eines maximalen Moments die Auslösevorrichtung 8a in der Weise betätigt, dass diese über eine beispielsweise federbetätigte oder hydraulisch betätigte Teleskopanordnung 12a das Ausschwenken der Ausschwenkwand bewirkt.Reference number 9a denotes a cylinder with a preload, which is shown in cooperates with the triggering device 8a in such a way that according to the respective Presetting when a maximum torque is reached 8a actuated in such a way that it is spring-actuated, for example or hydraulically operated telescopic arrangement 12a to pivot out the swing-out wall causes.

Mit der Bezugsziffer 10a ist die Materialeinwurfzone und mit 11a die Materialauswurfzone bezeichnet.The reference number 10a is the material insertion zone and 11a the material discharge zone designated.

In Figur 2a ist das Prinzip vorliegender bevorzugter Ausführungsform der Erfindung dargestellt. Auch Figur 2a zeigt einen senkrechten Schnitt der erfindungsgemäßen Zerkleinerungsmaschine.The principle of the present preferred embodiment of the invention is shown in FIG. 2a shown. Figure 2a also shows a vertical section of the invention Crusher.

Figur 3a zeigt ebenfalls einen senkrechten Schnitt der Zerkleinerungsmaschine in um 90° geschwenkter Betrachtungsrichtung.Figure 3a also shows a vertical section of the shredding machine in the viewing direction swiveled by 90 °.

Claims (7)

  1. Reducing device for material that is to be reduced by blade action, in particular for wood, plastic, tires and textile materials, according to the principle of rotary reduction, having a housing, in which a rotor (1) and stationary knives (2) are arranged,
    characterized in that,
    a sickle-shaped ram (6) for the material to be reduced is arranged at a curved compaction wall (5), said ram pushing or compressing said material towards the rotor (1) or towards the stationary blade (2), wherein the panel surface of the compaction wall runs essentially vertically at their upper margins.
  2. Reducing device according to Claim 1,
    characterized in that,
    the curved compaction wall (5) has a flip-out device in the form of an outwardly pivoting housing panel (5a).
  3. Reducing device according to Claim 2,
    characterized in that,
    the outwardly pivoting housing panel (5a) is arranged in the lower zone of the curved compaction wall and has the same radius of curvature as the latter.
  4. Reducing device according to one of Claims 2 - 3,
    characterized in that,
    a flip-out device (5a) can be actuated by mechanical - hydraulic means.
  5. Reducing device according to one of Claims 1 - 4,
    characterized in that,
    at least one side panel (5a) is configured as a swing-out panel that can be flipped out.
  6. Reducing device according to Claim 5,
    characterized in that,
    an upper stationary blade (6a) and a lower stationary blade (7a) are arranged on the swing-out panel (5a).
  7. Reducing device according to Claims 5 - 6,
    characterized in that,
    measurement means are arranged that effect the swinging-out of the swing-out panel (5a) and so effect discharge of foreign matter that has not been reduced.
EP00108538A 1999-04-29 2000-04-19 Shredding device for material to be shredded by knife action, having a rotor mounted in a housing Expired - Lifetime EP1050340B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE29907584U DE29907584U1 (en) 1999-04-29 1999-04-29 Shredding device for material that can be shredded by knife action
DE29907584U 1999-04-29
DE29915606U DE29915606U1 (en) 1999-09-07 1999-09-07 Shredding device based on the principle of rotor shredding
DE29915606U 1999-09-07

Publications (2)

Publication Number Publication Date
EP1050340A1 EP1050340A1 (en) 2000-11-08
EP1050340B1 true EP1050340B1 (en) 2003-11-19

Family

ID=26062463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00108538A Expired - Lifetime EP1050340B1 (en) 1999-04-29 2000-04-19 Shredding device for material to be shredded by knife action, having a rotor mounted in a housing

Country Status (6)

Country Link
EP (1) EP1050340B1 (en)
AT (1) ATE254506T1 (en)
DE (1) DE50004473D1 (en)
DK (1) DK1050340T3 (en)
ES (1) ES2209713T3 (en)
PT (1) PT1050340E (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10006757C1 (en) 2000-02-15 2001-05-17 Mayfran Int Bv Crushing process for chips or swarf, involving recording rate of alteration of load to detect blocking chips and ejecting these chips
AT10892U1 (en) * 2008-05-02 2009-12-15 Unterwurzacher Patentverwertun CRUSHING DEVICE
DE102017006098B3 (en) * 2017-06-28 2018-12-27 Doppstadt Familienholding Gmbh comminution device
WO2019226888A1 (en) 2018-05-23 2019-11-28 Vermeer Manufacturing Company Shredder for comminuting bulk material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529134A (en) * 1983-02-03 1985-07-16 Williams Patent Crusher And Pulverizer Company Self-clearing shredding apparatus and method of operation thereof
DE59305760D1 (en) * 1992-11-04 1997-04-17 Lindner Ges M B H Maschf Device for shredding waste
DE29915606U1 (en) * 1999-09-07 1999-12-30 Lindner Maschinenfabrik Gmbh S Shredding device based on the principle of rotor shredding
DE29907584U1 (en) * 1999-04-29 1999-07-15 Lindner Maschinenfabrik Gmbh Shredding device for material that can be shredded by knife action
DE29914056U1 (en) * 1999-08-12 1999-10-07 Avs Inst Shredding device

Also Published As

Publication number Publication date
DE50004473D1 (en) 2003-12-24
DK1050340T3 (en) 2004-03-29
ATE254506T1 (en) 2003-12-15
ES2209713T3 (en) 2004-07-01
EP1050340A1 (en) 2000-11-08
PT1050340E (en) 2004-04-30

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