EP1502715A2 - Cutting device for cutting bands including reinforcing elements - Google Patents

Cutting device for cutting bands including reinforcing elements Download PDF

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Publication number
EP1502715A2
EP1502715A2 EP04015281A EP04015281A EP1502715A2 EP 1502715 A2 EP1502715 A2 EP 1502715A2 EP 04015281 A EP04015281 A EP 04015281A EP 04015281 A EP04015281 A EP 04015281A EP 1502715 A2 EP1502715 A2 EP 1502715A2
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EP
European Patent Office
Prior art keywords
cutting
wheels
cutting device
wheel
toothed
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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
EP04015281A
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German (de)
French (fr)
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EP1502715A3 (en
EP1502715B1 (en
Inventor
Thomas Ziller
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Ziller Hans & Co KG GmbH
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Ziller Hans & Co KG GmbH
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Priority to PL04015281T priority Critical patent/PL1502715T3/en
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Publication of EP1502715A3 publication Critical patent/EP1502715A3/en
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Publication of EP1502715B1 publication Critical patent/EP1502715B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/084—Means for treating work or cutting member to facilitate cutting specially adapted for cutting articles composed of at least two different materials, e.g. using cutters of different shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0046—Cutting members therefor rotating continuously about an axis perpendicular to the edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0066—Cutting members therefor having shearing means, e.g. shearing blades, abutting blades

Definitions

  • the invention relates to a cutting device for cutting transversely to the cutting direction extending reinforcing inserts containing bands between two along each other guided cutting edges, of which the first cutting edge one, and the second Cutting edge applied to the other side of the tape.
  • Such cutting devices are used in mining and often underground, which are usually made of rubber with embedded reinforcements and for the Transport of overburden or coal used to cut through conveyor belts.
  • a Such severing may be desirable to convey the conveyor belts lengthwise to adapt to each other, or even broken tape sections cut out.
  • the embedded in such conveyor belts reinforcements often from the longitudinal direction existing steel cables exist.
  • EP 0 732 179 B1 Also known are already mechanically working cutting devices for cutting reinforced elastomeric bands.
  • EP 0 732 179 B1 it is proposed in EP 0 732 179 B1 that this is transverse to severing band material initially between two stable jaws, and then with a knife pulled along the jaws mechanically cut.
  • the one of the involved cutting edges fixed to the elongated jaw, whereas the second, at this first cutting edge passing the cutting edge is formed on the knife.
  • the cutting device after EP 0 732 179 B1 is relatively large and heavy, which means its use in mining underground makes difficult.
  • the type of guidance the knife requires along the jaws also with frequent use of the cutting device increased maintenance.
  • the invention has for its object to provide a cutting device for cutting through bands provided with reinforcing inserts, which is characterized by a compact and low-maintenance design.
  • the cutting edges are formed in opposite directions rotating and arranged on mutually parallel axes of rotation cutting wheels, one of which is provided with uniformly distributed over its circumference cutting teeth, wherein the toothed cutting wheel with coupled to a drive, and the other cutting wheel is free running.
  • the Cutting device As a result of the formation of the cutting edges in opposite directions rotating and on mutually parallel axes of rotation arranged cutting wheels allows the Cutting device according to the invention a relatively compact design, which is why they themselves for use in confined space situations such. B. underground and on changing locations suitable.
  • the only moving parts are the cutting wheels, which is why maintenance at best limited to the storage of the cutting wheels. If maintenance-free rolling bearings are used here, the cutting device works virtually completely maintenance-free.
  • one of the cutting wheels is uniform Provided over its circumference distributed cutting teeth. That way, in terms of the band to be cut high feed forces even when achievable in the band are embedded transversely to the cutting direction extending reinforcing inserts made of steel.
  • the cutting device according to the invention can be equipped with a machine Drive provided, z. B. an electric motor, which has a suitable Reduction gear drives the cutting mechanism.
  • the suitable Cutting device according to the invention just because of their compact design also for a manual operation. Accordingly, a preferred embodiment of the invention characterized by a provided with a strong reduction gear Hand crank drive for the driven cutting wheel.
  • the achievable by the use of toothed cutting wheels, high Propulsive force can be further increased by the fact that the two flank angle of Cutting teeth are different, with the pointing in the direction of rotation flank angle of steeper is.
  • the steeper of the two flank angles is between 12 ° and 16 ° and the flatter of the two flank angles between 37 ° and 43 °.
  • Double cutting wheels has several advantages.
  • An important advantage is the almost distortion-free cut.
  • Cutting mechanisms with two guided along each other Cutting edges often show in practice the tendency that the cut is not a straight Line follows, but runs away to the side. The cut does not take place along a straight line, but slightly bent.
  • the proposed use of each double Cutting wheels is compensated for this tendency to warp, so that a total of one on longer distances straight cut arises.
  • the use of double cutting wheels also has the advantage that created by the gap created by the two cutting edges Connecting portion can be passed, which the two cutting axes connects vertically. This contributes to the compact design of the device.
  • Figs. 1 and 2 shown in their entirety cutting device consists in essentially from an upper pair of cutting wheels 1, a lower pair of cutting wheels 2, a the Schneidradsectione connecting rigid bracket 3 and a drive 4 for the upper Cutting wheel pair 1.
  • Fig. 2 reveals the details of the two Schneidradsectione 1, 2.
  • the top Cutting wheel pair 1 consists of a first cutting wheel 11 and a symmetrical thereto arranged second cutting wheel 12, which sit together on the axis of rotation 8.
  • the cut passing sides of the cutting wheels 11, 12 are at least close to their outer Scope designed as flat pages 13. At these flat sides 13 are with very little Play the corresponding flat sides 14 of the two cutting wheels 21, 22 of the lower Cutting wheel pair 2 on.
  • the flat sides 14 of the two lower cutting wheels 21, 22 are therefore arranged on the aligned inner sides of these cutting wheels.
  • the cutting wheels 11, 12 are toothed cutting wheels with uniform distributed over its circumference cutting teeth 30.
  • Fig. 1 shows that the lower cutting wheel 22, the corresponding upper cutting wheel 12th covered in its edge area. This radial coverage is about as large as the Radial length of the cutting teeth 30 of the cutting wheel 12. The radial overlap can but also a bit bigger.
  • the pointed toothed cutting wheels 11, 12 capable of in the usually made of an elastomer strip material penetrate and in this way a strong positive engagement for the transport of the belt 23rd to effect through the cutting device.
  • the work Cutting wheels 21, 22 exclusively in the manner of rotating knives, where they exclusively Therefore, in rotation opposite to the direction of rotation of the cutting wheels 11, 12 advised, because of be taken with the passing through the cutting device belt 23.
  • Fig. 3 shows one of the toothed cutting wheels 11, 12 with the characteristic, in Side view of triangular teeth with straight tooth flanks 35, 36.
  • the two flank angles of the cutting teeth 30 are different, wherein the in Direction of rotation facing flank angle is steeper.
  • the steeper is the two flank angle, which has the tooth flank 35, 14 °.
  • the flatter of the two Flank angle, which has the tooth flank 36 is 40 °. Add up these two Values, this results in the angle of preferably 54 ° between the rear tooth flank one tooth and the front tooth flank of the next tooth.
  • the viewer facing flat side 13 have both tooth flanks 35, 36 a sharp-edged right angle, d. H. an angle of 90 °. This angle is at the same time the Cutting edge 38.
  • the cutting teeth 30 are slightly broken to the Operation of the cutting device to avoid canceling the outermost peaks.
  • the sharply-machined cutting edge 38 is located on the outer edge of the flat side 14.
  • the two cutting wheel pairs 1, 2 interconnecting bracket 3 has a Connecting portion 39, which offset in relation to the cutting wheels in the cutting direction is arranged. By cutting out the strip 24, there is the possibility that the connecting portion 39 within the cutting edge distance A through the already sliced band 23 is passed.
  • the front edge of the connecting section 39 of the bracket 3 is preferably provided with guide surfaces 40 arranged on both sides, which controls the cut edges of the belt 23 at the connecting portion 39 let it slide along.
  • a deflector wedge 41 which can also be designed as a deflector roll, protrudes between the cutting edges of the cutting wheel pair 1, so that the tape strip 24th can be led out below the bracket 3.

Abstract

The device is for belts having reinforcing inserts extending at right angles to direction of cut, between two cutting edges engaging in two sides of the belt. The cutting edges are formed on cutting wheels, which rotate in opposite directions and on parallel rotary axis (8,9). One cutting wheel (12) has evenly distributed cutting teeth (30) and is coupled to a drive. The second wheel (22) rotates freely. The drive is a hand crank drive (5) with reducing gear (6). The cutting teeth are triangular, and pref. have straight tooth faces. The wheels are located in pairs (1,2) on a common axis.

Description

Die Erfindung betrifft eine Schneidevorrichtung zum Schneiden von quer zur Schnittrichtung verlaufende Verstärkungseinlagen enthaltenden Bändern zwischen zwei aneinander entlang geführten Schneidkanten, von denen die erste Schneidkante die eine, und die zweite Schneidkante die andere Seite des Bandes beaufschlagt.The invention relates to a cutting device for cutting transversely to the cutting direction extending reinforcing inserts containing bands between two along each other guided cutting edges, of which the first cutting edge one, and the second Cutting edge applied to the other side of the tape.

Solche Schneidevorrichtungen werden im Bergbau und häufig unter Tage dazu eingesetzt, die in der Regel aus Gummi mit darin eingebetteten Armierungen bestehenden und für den Transport des Abraums oder der Kohle verwendeten Förderbänder zu durchtrennen. Eine solche Durchtrennung kann wünschenswert sein, um die Förderbänder beim Verlegen längemäßig aneinander anzupassen, oder aber auch defekte Bandabschnitte herauszuschneiden. Für Schwierigkeiten bei der Durchführung des Schnittes sorgen vor allem die in solche Förderbänder eingebetteten Armierungen, die häufig aus in Längsrichtung verlaufenden Stahlseilen bestehen.Such cutting devices are used in mining and often underground, which are usually made of rubber with embedded reinforcements and for the Transport of overburden or coal used to cut through conveyor belts. A Such severing may be desirable to convey the conveyor belts lengthwise to adapt to each other, or even broken tape sections cut out. For difficulties in carrying out the cut care especially the embedded in such conveyor belts reinforcements, often from the longitudinal direction existing steel cables exist.

Aufgrund der meist engen räumlichen Gegebenheiten unter Tage erfolgt dort das Trennen von Förderbändern häufig noch von Hand. In der Regel wird hierzu zunächst das die Armierung umschließende Elastomer von beiden Seiten her in Form eines möglichst tiefen Keiles aufgeschnitten. Anschließend wird mit Hilfe eines von Hand geführten, handelsüblichen Trennschleifers jeder einzelne Stahldraht der Verstärkungseinlage durchtrennt.Due to the mostly tight spatial conditions underground there is the separation Of conveyor belts often still by hand. As a rule, this is the first Armor enclosing elastomer from both sides in the form of a deepest possible Wedge cut open. Subsequently, with the help of a hand-guided, commercial cutting grinder every single steel wire reinforcement insert severed.

Bekannt sind auch bereits maschinell arbeitende Schneidevorrichtungen zum Durchtrennen armierter Elastomerbänder. So wird in der EP 0 732 179 B1 vorgeschlagen, das quer zu durchtrennende Bandmaterial zunächst zwischen zwei stabilen Klemmbacken zu fixieren, und dann mit einem entlang der Klemmbacken maschinell gezogenen Messer zu durchtrennen. Hierbei befindet sich die eine der beteiligten Schneidkanten ortsfest an der langgestreckten Klemmbacke, wohingegen die zweite, an dieser ersten Schneidkante vorbeibewegte Schneidkante an dem Messer ausgebildet ist. Die Schneidevorrichtung nach der EP 0 732 179 B1 ist relativ groß und schwer, was den Einsatz im Bergbau unter Tage schwierig macht. Die Art der Führung des Messers entlang der Klemmbacken erfordert außerdem bei häufigem Einsatz der Schneidevorrichtung einen erhöhten Wartungsaufwand.Also known are already mechanically working cutting devices for cutting reinforced elastomeric bands. For example, it is proposed in EP 0 732 179 B1 that this is transverse to severing band material initially between two stable jaws, and then with a knife pulled along the jaws mechanically cut. Here is the one of the involved cutting edges fixed to the elongated jaw, whereas the second, at this first cutting edge passing the cutting edge is formed on the knife. The cutting device after EP 0 732 179 B1 is relatively large and heavy, which means its use in mining underground makes difficult. The type of guidance the knife requires along the jaws also with frequent use of the cutting device increased maintenance.

Der Erfindung liegt die Aufgabe zugrunde, eine Schneidevorrichtung zum Durchtrennen von mit Verstärkungseinlagen versehenen Bändern zu schaffen, die sich durch eine kompakte und wartungsarme Bauweise auszeichnet.The invention has for its object to provide a cutting device for cutting through bands provided with reinforcing inserts, which is characterized by a compact and low-maintenance design.

Zur Lösung dieser Aufgabe wird bei einer Schneidevorrichtung mit den eingangs angegebenen Merkmalen vorgeschlagen, daß die Schneidkanten an gegensinnig sich drehenden und auf zueinander parallelen Drehachsen angeordneten Schneidrädern ausgebildet sind, von denen eines mit gleichmäßig über seinen Umfang verteilten Schneidzähnen versehen ist, wobei das gezahnte Schneidrad mit einem Antrieb gekoppelt, und das andere Schneidrad frei laufend ist.To solve this problem is proposed in a cutting device with the features specified that the cutting edges are formed in opposite directions rotating and arranged on mutually parallel axes of rotation cutting wheels, one of which is provided with uniformly distributed over its circumference cutting teeth, wherein the toothed cutting wheel with coupled to a drive, and the other cutting wheel is free running.

Infolge der Ausbildung der Schneidkanten an gegensinnig sich drehenden und auf zueinander parallelen Drehachsen angeordneten Schneidrädern ermöglicht die erfindungsgemäße Schneidevorrichtung eine relativ kompakte Bauweise, weshalb sie sich für einen Einsatz auch in beengten räumlichen Situationen wie z. B. unter Tage und an wechselnden Einsatzorten eignet. Die einzigen bewegten Teile sind die Schneidräder, weshalb sich Wartungsarbeiten allenfalls auf die Lagerung der Schneidräder beschränken. Sofern hier wartungsfreie Wälzlager eingesetzt werden, arbeitet die Schneidevorrichtung faktisch völlig wartungsfrei. Gemäß der Erfindung ist eines der Schneidräder mit gleichmäßig über seinen Umfang verteilten Schneidzähnen versehen. Auf diese Weise sind in Bezug auf das zu durchtrennende Band hohe Vorschubkräfte selbst dann erzielbar, wenn in das Band quer zur Schnittrichtung verlaufende Verstärkungseinlagen aus Stahl eingebettet sind.As a result of the formation of the cutting edges in opposite directions rotating and on mutually parallel axes of rotation arranged cutting wheels allows the Cutting device according to the invention a relatively compact design, which is why they themselves for use in confined space situations such. B. underground and on changing locations suitable. The only moving parts are the cutting wheels, which is why maintenance at best limited to the storage of the cutting wheels. If maintenance-free rolling bearings are used here, the cutting device works virtually completely maintenance-free. According to the invention, one of the cutting wheels is uniform Provided over its circumference distributed cutting teeth. That way, in terms of the band to be cut high feed forces even when achievable in the band are embedded transversely to the cutting direction extending reinforcing inserts made of steel.

Für einen ausreichenden Schneidevortrieb selbst im Falle der Durchtrennung stahlarmierter Bänder ist nur das mit den Schneidzähnen versehene Schneidrad angetrieben, das andere Schneidrad läuft nur mit. Eine aufwendige Übertragung des Antriebes auch auf das korrespondierende, gegensinnig sich drehende Schneidrad ist so nicht erforderlich, was den konstruktiven Aufwand für die Schneidevorrichtung verringert.For a sufficient cutting drive even in the case of severing steel-reinforced Tapes are driven only with the cutting teeth provided with the cutting wheel, the other Cutting wheel only runs with. An elaborate transmission of the drive also on the Corresponding, in opposite directions rotating cutting wheel is not required, which the reduced design effort for the cutting device.

Vorteilhafte Ausgestaltungen der erfindungsgemäßen Schneidevorrichtung sind in den Unteransprüchen angegeben. Advantageous embodiments of the cutting device according to the invention are in the Subclaims specified.

Grundsätzlich läßt sich die erfindungsgemäße Schneidevorrichtung mit einem maschinellen Antrieb versehen, z. B. einem Elektromotor, der über einen geeignetes Untersetzungsgetriebe den Schneidmechanismus antreibt. Jedoch eignet sich die erfindungsgemäße Schneidevorrichtung gerade aufgrund ihrer kompakten Bauweise auch für einen Handbetrieb. Demgemäß ist eine bevorzugte Ausgestaltung der Erfindung gekennzeichnet durch einen mit einem starken Untersetzungsgetriebe versehenen Handkurbelantrieb für das angetriebene Schneidrad.In principle, the cutting device according to the invention can be equipped with a machine Drive provided, z. B. an electric motor, which has a suitable Reduction gear drives the cutting mechanism. However, the suitable Cutting device according to the invention just because of their compact design also for a manual operation. Accordingly, a preferred embodiment of the invention characterized by a provided with a strong reduction gear Hand crank drive for the driven cutting wheel.

Zur Erzielung einer in Bezug auf die Antriebskräfte hohen Schnittleistung des Schneidemechanismus wird vorgeschlagen, daß jedes der Schneidräder eine an ihrem Außenrand mit der Schneidkante versehenen Flachseite, die sich entlang der Flachseite des jeweils anderen Schneidrades erstreckt, und eine sich nach außen hin vorzugsweise konisch verjüngende Außenseite aufweist.To achieve a high cutting performance in terms of driving forces Cutting mechanism is proposed that each of the cutting wheels on their Outer edge with the cutting edge provided flat side, along the flat side of the each other cutting wheel extends, and one outwardly preferably conical has tapered outer side.

Mit einer weiteren Ausgestaltung wird vorgeschlagen, daß die radiale Überdeckung der einander zugewandten Flachseiten mindestens so groß wie die radiale Länge der Schneidzähne ist. Auf diese Weise ist sichergestellt, daß das Bandmaterial nicht nur perforiert, sondern vollständig durchtrennt wird.In a further embodiment, it is proposed that the radial overlap of the facing flat sides at least as large as the radial length of the Cutting teeth is. In this way it is ensured that the strip material not only perforated, but is completely severed.

Mit einer weiteren Ausgestaltung wird vorgeschlagen, daß die an dem gezahnten Schneidrad angeordneten Schneidzähne dreieckig mit vorzugsweise geraden Zahnflanken gestaltet sind. Auf diese Weise sind die gezahnten Schneidräder in besonderer Weise geeignet, eine doppelte Funktion auszuüben. Einerseits bewirkt das Eindringen der Schneidzähne in das Material des Bandes einen Formschluß, mit dem sich nahezu schlupffrei hohe Vortriebskräfte erzielen lassen. Des weiteren sind die Schneidzähne mit Schneiden versehen, d. h. sie durchtrennen im Zusammenwirken mit den Schneidkanten des jeweils anderen Schneidrades das Bandmaterial. Zur Erzielung eines günstigen Schneideverhaltens des gezahnten Schneidrades beträgt der die Schneidkante bildende Winkel zwischen den Zahnflanken und der Flachseite des gezahnten Schneidrades vorzugsweise 90°.With a further embodiment it is proposed that the on the toothed cutting wheel arranged cutting teeth are triangular designed with preferably straight tooth flanks. In this way, the toothed cutting wheels are particularly suitable, a exercise dual function. On the one hand causes the penetration of the cutting teeth in the Material of the band a form-fitting, with almost high slip-free propulsive forces achieve. Furthermore, the cutting teeth are provided with cutting, d. H. she severed in cooperation with the cutting edges of the other cutting wheel the band material. To achieve a favorable cutting behavior of the toothed Cutting wheel is the cutting edge forming angle between the tooth flanks and the flat side of the toothed cutting wheel preferably 90 °.

Die bereits durch die Verwendung der gezahnten Schneidräder erzielbare, hohe Vortriebskraft läßt sich zusätzlich dadurch steigern, daß die beiden Flankenwinkel der Schneidzähne unterschiedlich sind, wobei der in Drehrichtung weisende Flankenwinkel der steilere ist. Vorzugsweise beträgt der steilere der beiden Flankenwinkel zwischen 12° und 16° und der flachere der beiden Flankenwinkel zwischen 37° und 43°. Für den Winkel zwischen der hinteren Zahnflanke eines Zahnes und der vorderen Zahnflanke des darauffolgenden Zahnes werden 50° bis 60° vorgeschlagen, vorzugsweise 54°.The achievable by the use of toothed cutting wheels, high Propulsive force can be further increased by the fact that the two flank angle of Cutting teeth are different, with the pointing in the direction of rotation flank angle of steeper is. Preferably, the steeper of the two flank angles is between 12 ° and 16 ° and the flatter of the two flank angles between 37 ° and 43 °. For the angle between the posterior tooth flank of a tooth and the anterior tooth flank of the tooth subsequent tooth 50 ° to 60 ° are proposed, preferably 54 °.

Eine weitere Ausgestaltung der Schneidevorrichtung ist gekennzeichnet durch eine paarweise Anordnung sowohl des gezahnten Schneidrades wie auch des weiteren Schneidrades, wobei die jeweils ein Paar bildenden Schneidräder auf einer gemeinsamen Drehachse angeordnet sind, und die Schneidkanten der Paare zum Schneiden eines schmalen Streifens der Breite A einen Abstand A zueinander aufweisen. Die Verwendung doppelter Schneidräder ist mit mehreren Vorteilen verknüpft. Ein wichtiger Vorteil ist der nahezu verzugsfreie Schnitt. Schneidmechanismen mit zwei aneinander entlang geführten Schneidkanten zeigen in der Praxis häufig die Neigung, daß der Schnitt nicht einer geraden Linie folgt, sondern seitlich wegläuft. Der Schnitt erfolgt also nicht entlang einer Gerade, sondern leicht gebogen. Durch die vorgeschlagene Verwendung jeweils doppelter Schneidräder wird diese Verzugsneigung kompensiert, so daß insgesamt ein auch auf längere Distanzen gerader Schnitt entsteht. Die Verwendung jeweils doppelter Schneidräder hat ferner den Vorteil, daß durch den von den beiden Schnittkanten geschaffenen Spalt ein Verbindungsabschnitt hindurchgeführt werden kann, welcher die beiden Schneidachsen vertikal verbindet. Dies trägt zur kompakten Bauweise der Vorrichtung bei.Another embodiment of the cutting device is characterized by a Paired arrangement of both the toothed cutting wheel and the other Cutting wheel, wherein each forming a pair of cutting wheels on a common Are arranged axis of rotation, and the cutting edges of the pairs for cutting a narrow strip of the width A have a distance A from each other. The usage Double cutting wheels has several advantages. An important advantage is the almost distortion-free cut. Cutting mechanisms with two guided along each other Cutting edges often show in practice the tendency that the cut is not a straight Line follows, but runs away to the side. The cut does not take place along a straight line, but slightly bent. The proposed use of each double Cutting wheels is compensated for this tendency to warp, so that a total of one on longer distances straight cut arises. The use of double cutting wheels also has the advantage that created by the gap created by the two cutting edges Connecting portion can be passed, which the two cutting axes connects vertically. This contributes to the compact design of the device.

Bei einer Schneidevorrichtung mit jeweils doppelten Schneidrädern ist es von Vorteil, wenn die mit den Schneidkanten versehenen Flachseiten der beiden gezahnten Schneidräder voneinander weg, und die mit den Schneidkanten versehenen Flachseiten der beiden weiteren Schneidräder aufeinander zu weisen.In a cutting device with each double cutting wheels, it is advantageous if provided with the cutting edges flat sides of the two toothed cutting wheels away from each other, and provided with the cutting edges flat sides of the two facing each other cutting wheels.

Zur Erzielung einer besonders kompakt bauenden Schneidvorrichtung mit möglichst wenigen beweglichen Teilen wird ferner ein die Lagerung der gezahnten Schneidräder mit der Lagerung der weiteren Schneidräder verbindender starrer Bügel vorgeschlagen, dessen Verbindungsabschnitt in Bezug auf die Schneidräder in Schnittrichtung versetzt angeordnet ist, wobei der Verbindungsabschnitt in Verlängerung des Schneidkantenabstandes A durch das aufgeschnittene Band hindurchgeführt ist. Da während der Durchführung des Schnittes der dabei herausgeschnittene schmale Streifen hinderlich sein kann, wird mit einer weiteren Ausgestaltung vorgeschlagen, daß der Verbindungsabschnitt des Bügels mit Ablenkmitteln zum Wegführen des aus dem Band herausgeschnittenen Streifens nach unten versehen ist.To achieve a very compact cutting device with as few Moving parts is also a storage of the toothed cutting wheels with the Storage of the other cutting wheels connecting rigid bracket proposed whose Connecting portion arranged offset with respect to the cutting wheels in the cutting direction is, wherein the connecting portion in extension of the cutting edge distance A through the cut tape is passed. As during the execution of the cut The cut out narrow strip can be a hindrance, with another Design proposed that the connecting portion of the bracket with deflection for removing the strip cut out of the band downwards.

Weitere Vorteile und Einzelheiten ergeben sich aus der nachfolgenden Beschreibung eines auf der Zeichnung dargestellten Ausführungsbeispiels. In der Zeichnung zeigen:

Fig. 1
eine Seitenansicht einer Schneidevorrichtung,
Fig. 2
eine Stirnansicht der Schneidevorrichtung,
Fig. 3
eine Ansicht und ein Teilschnitt eines der in der Schneidevorrichtung verwendeten Schneidräder und
Fig. 4
einen Schnitt durch ein anderes in der Schneidevorrichtung verwendetes Schneidrad.
Further advantages and details emerge from the following description of an embodiment shown in the drawing. In the drawing show:
Fig. 1
a side view of a cutting device,
Fig. 2
an end view of the cutting device,
Fig. 3
a view and a partial section of one of the cutting wheels used in the cutting device and
Fig. 4
a section through another cutting wheel used in the cutting device.

Die in den Fign. 1 und 2 in ihrer Gesamtheit dargestellte Schneidevorrichtung besteht im wesentlichen aus einem oberen Schneidradpaar 1, einem unteren Schneidradpaar 2, einem die Schneidradpaare verbindenden starren Bügel 3 sowie einem Antrieb 4 für das obere Schneidradpaar 1.The in Figs. 1 and 2 shown in their entirety cutting device consists in essentially from an upper pair of cutting wheels 1, a lower pair of cutting wheels 2, a the Schneidradpaare connecting rigid bracket 3 and a drive 4 for the upper Cutting wheel pair 1.

Der Antrieb 4 ist bei dem dargestellten Ausführungsbeispiel ein von Hand betätigbarer Handkurbeltrieb 5, welcher über ein starkes Untersetzungsgetriebe 6 das obere Schneidradpaar 1 antreibt. Demgegenüber ist das untere Schneidradpaar 2 frei laufend ausgebildet. Sowohl die Schneidräder des oberen Schneidradpaares 1 wie auch die Schneidräder des unteren Schneidradpaares 2 sind in geeigneten Wälzlagern 7 in dem Bügel 3 gelagert. Die Drehachse 8 des oberen Schneidpaares 1 verläuft parallel und mit Abstand zu der Drehachse 9 des unteren Schneidradpaares 2.The drive 4 is a manually operable in the illustrated embodiment Hand crank drive 5, which via a strong reduction gear 6, the upper Cutting wheel pair 1 drives. In contrast, the lower pair of cutting wheels 2 is running freely educated. Both the cutting wheels of the upper pair of cutting wheels 1 as well Cutting wheels of the lower pair of cutting wheels 2 are in suitable rolling bearings 7 in the Bracket 3 stored. The axis of rotation 8 of the upper cutting pair 1 is parallel and with Distance to the axis of rotation 9 of the lower pair of cutting wheels 2.

Fig. 2 läßt die Einzelheiten der beiden Schneidradpaare 1, 2 erkennen. Das obere Schneidradpaar 1 besteht aus einem ersten Schneidrad 11 sowie einem hierzu symmetrisch angeordneten zweiten Schneidrad 12, welche gemeinsam auf der Drehachse 8 sitzen. Jedoch ist es anstelle der zwei Schneidräder 11, 12 auch möglich, deren Funktionen in einem einzigen, gleich gestalteten doppelten Schneidrad zu verwirklichen. Die den Schnnitt durchführenden Seiten der Schneidräder 11, 12 sind zumindest nahe ihres äußeren Umfanges als Flachseiten 13 gestaltet. An diesen Flachseiten 13 liegen mit sehr geringem Spiel die entsprechenden Flachseiten 14 der beiden Schneidräder 21, 22 des unteren Schneidradpaares 2 an. Die Flachseiten 14 der beiden unteren Schneidräder 21, 22 sind daher an den zueinander ausgerichteten Innenseiten dieser Schneidräder angeordnet. Die Flachseite 13 des Schneidrades 11 läuft daher mit sehr geringem Spiel an der Flachseite 14 des Schneidrades 21 entlang. Analog läuft die Flachseite 13 des Schneidrades 12 mit ebenso geringem Spiel an der Flachseite 14 des Schneidrades 22 entlang, wodurch diese Flachseiten 13, 14 zugleich eine doppelte Schnittkante mit dem Schneidkantenabstand A definieren. Ein durch die Schneidevorrichtung hindurchgeführtes Band 23, vorzugsweise ein mit quer verlaufenden Stahlseilen (25 in Fig. 1) armiertes Elastomerband, wird daher in zwei zueinander parallelen Schnitten durchtrennt, wodurch beim Schneiden ein schmaler Streifen 24 der Breite A aus dem Band 23 herausgetrennt wird.Fig. 2 reveals the details of the two Schneidradpaare 1, 2. The top Cutting wheel pair 1 consists of a first cutting wheel 11 and a symmetrical thereto arranged second cutting wheel 12, which sit together on the axis of rotation 8. However, it is also possible, instead of the two cutting wheels 11, 12, whose functions in a single, identical double cutting wheel to realize. The cut passing sides of the cutting wheels 11, 12 are at least close to their outer Scope designed as flat pages 13. At these flat sides 13 are with very little Play the corresponding flat sides 14 of the two cutting wheels 21, 22 of the lower Cutting wheel pair 2 on. The flat sides 14 of the two lower cutting wheels 21, 22 are therefore arranged on the aligned inner sides of these cutting wheels. The Flat side 13 of the cutting wheel 11 therefore runs with very little play on the flat side 14 along the cutting wheel 21. Analog runs the flat side 13 of the cutting wheel 12 with as little play along the flat side 14 of the cutting wheel 22, whereby this Flat sides 13, 14 at the same time a double cut edge with the cutting edge distance A. define. A guided through the cutting device band 23, preferably a With transversely extending steel cables (25 in Fig. 1) reinforced elastomeric tape, therefore, in two severed parallel to each other cuts, whereby when cutting a narrow strip 24 of the width A is separated from the belt 23.

Bei den Schneidrädern 11, 12 handelt es sich um gezahnte Schneidräder mit gleichmäßig über ihren Umfang verteilten Schneidzähnen 30. Demgegenüber sind die im Ausführungsbeispiel unten angeordneten Schneidräder 21, 22 mit einem glatten, kreisringförmigen Umfang versehen, an dem sich die Schneidkante 38 befindet.The cutting wheels 11, 12 are toothed cutting wheels with uniform distributed over its circumference cutting teeth 30. In contrast, in the Embodiment below arranged cutting wheels 21, 22 with a smooth, provided annular extent at which the cutting edge 38 is located.

Fig. 1 läßt erkennen, daß das untere Schneidrad 22 das entsprechende obere Schneidrad 12 in dessen Randbereich überdeckt. Diese radiale Überdeckung ist in etwa so groß, wie die radiale Länge der Schneidzähne 30 des Schneidrades 12. Die radiale Überdeckung kann aber auch etwas größer ausfallen.Fig. 1 shows that the lower cutting wheel 22, the corresponding upper cutting wheel 12th covered in its edge area. This radial coverage is about as large as the Radial length of the cutting teeth 30 of the cutting wheel 12. The radial overlap can but also a bit bigger.

Beim Trennen des aufzuschneidenden Bandes 23 sind die spitz gezahnten Schneidräder 11, 12 in der Lage, in das in der Regel aus einem Elastomer bestehende Bandmaterial einzudringen und auf diese Weise ein starken Formschluß für den Transport des Bandes 23 durch die Schneidevorrichtung hindurch zu bewirken. Demgegenüber arbeiten die Schneidräder 21, 22 ausschließlich nach Art rotierender Messer, wobei sie ausschließlich deshalb in Drehung umgekehrt zum Drehsinn der Schneidräder 11, 12 geraten, weil sie von dem durch die Schneidevorrichtung hindurchlaufenden Band 23 mitgenommen werden.When separating the strip 23 to be cut up, the pointed toothed cutting wheels 11, 12 capable of in the usually made of an elastomer strip material penetrate and in this way a strong positive engagement for the transport of the belt 23rd to effect through the cutting device. In contrast, the work Cutting wheels 21, 22 exclusively in the manner of rotating knives, where they exclusively Therefore, in rotation opposite to the direction of rotation of the cutting wheels 11, 12 advised, because of be taken with the passing through the cutting device belt 23.

Fig. 3 zeigt eines der gezahnten Schneidräder 11, 12 mit den charakteristischen, in Seitenansicht dreieckigen Zähnen mit geraden Zahnflanken 35, 36. Zu erkennen ist ferner, daß die beiden Flankenwinkel der Schneidzähne 30 unterschiedlich sind, wobei der in Drehrichtung weisende Flankenwinkel der steilere ist. Vorzugsweise beträgt der steilere der beiden Flankenwinkel, den die Zahnflanke 35 aufweist, 14°. Der flachere der beiden Flankenwinkel, den die Zahnflanke 36 aufweist, beträgt 40°. Summiert man diese beiden Werte, so ergibt sich der Winkel von vorzugsweise 54° zwischen der hinteren Zahnflanke eines Zahnes und der vorderen Zahnflanke des darauffolgenden Zahnes. Zu der in Fig. 3 dem Betrachter zugewandten Flachseite 13 weisen beide Zahnflanken 35, 36 einen scharfkantigen rechten Winkel, d. h. einen Winkel von 90° auf. Dieser Winkel ist zugleich die Schneidkante 38. An den Spitzen 37 sind die Schneidzähne 30 leicht gebrochen, um beim Betrieb der Schneidevorrichtung ein Abbrechen der äußersten Spitzen zu vermeiden.Fig. 3 shows one of the toothed cutting wheels 11, 12 with the characteristic, in Side view of triangular teeth with straight tooth flanks 35, 36. It can also be seen that the two flank angles of the cutting teeth 30 are different, wherein the in Direction of rotation facing flank angle is steeper. Preferably, the steeper is the two flank angle, which has the tooth flank 35, 14 °. The flatter of the two Flank angle, which has the tooth flank 36 is 40 °. Add up these two Values, this results in the angle of preferably 54 ° between the rear tooth flank one tooth and the front tooth flank of the next tooth. To that in Fig. 3 the viewer facing flat side 13 have both tooth flanks 35, 36 a sharp-edged right angle, d. H. an angle of 90 °. This angle is at the same time the Cutting edge 38. At the tips 37, the cutting teeth 30 are slightly broken to the Operation of the cutting device to avoid canceling the outermost peaks.

Die der Flachseite 13 abgewandte andere Außenseite 15 der Schneidräder 11, 12 ist nach außen hin sich konisch verjüngend gestaltet, wobei sich die konische Verjüngung in radialer Richtung zumindest über die gesamte radiale Länge der Schneidzähne 30 erstreckt.The flat side 13 facing away from the other outer side 15 of the cutting wheels 11, 12 is after outwardly conically tapering designed, with the conical taper in radial Direction extends at least over the entire radial length of the cutting teeth 30.

Gemäß Fig. 4 weisen auch die beiden anderen Schneidräder 21, 22 zum einen die Flachseite 14, und zum anderen eine der Flachseite abgewandte, sich nach außen hin konisch verjüngende Außenseite 16 auf. Die scharf bearbeitete Schneidkante 38 befindet sich an dem Außenrand der Flachseite 14.4, the two other cutting wheels 21, 22 on the one hand Flat side 14, and on the other hand facing away from the flat side, facing outwards conically tapered outside 16 on. The sharply-machined cutting edge 38 is located on the outer edge of the flat side 14.

Der die beiden Schneidradpaare 1, 2 miteinander verbindende Bügel 3 verfügt über einen Verbindungsabschnitt 39, der in Bezug auf die Schneidräder in Schnittrichtung versetzt angeordnet ist. Durch das Herausschneiden des Streifens 24 besteht die Möglichkeit, daß der Verbindungsabschnitt 39 innerhalb des Schneidkantenabstandes A durch das bereits aufgeschnittene Band 23 hindurchgeführt ist. Der vordere Rand des Verbindungsabschnittes 39 des Bügels 3 ist mit vorzugsweise beidseitig angeordneten Führungsflächen 40 versehen, welche die Schnittkanten des Bandes 23 kontrolliert an dem Verbindungsabschnitt 39 entlanggleiten lassen. Ein Abweiserkeil 41, der auch als Abweiserrolle ausgebildet sein kann, ragt zwischen die Schneidkanten des Schneidradpaares 1, so daß der Bandstreifen 24 unterhalb des Bügels 3 herausgeführt werden kann. The two cutting wheel pairs 1, 2 interconnecting bracket 3 has a Connecting portion 39, which offset in relation to the cutting wheels in the cutting direction is arranged. By cutting out the strip 24, there is the possibility that the connecting portion 39 within the cutting edge distance A through the already sliced band 23 is passed. The front edge of the connecting section 39 of the bracket 3 is preferably provided with guide surfaces 40 arranged on both sides, which controls the cut edges of the belt 23 at the connecting portion 39 let it slide along. A deflector wedge 41, which can also be designed as a deflector roll, protrudes between the cutting edges of the cutting wheel pair 1, so that the tape strip 24th can be led out below the bracket 3.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
SchneidradpaarSchneidradpaar
22
SchneidradpaarSchneidradpaar
33
Bügelhanger
44
Antriebdrive
55
HandkurbeltriebHand crank
66
UntersetzungsgetriebeReduction gear
77
Wälzlagerroller bearing
88th
Drehachseaxis of rotation
99
Drehachseaxis of rotation
1111
Schneidradcutting wheel
1212
Schneidradcutting wheel
1313
Flachseiteflat side
1414
Flachseiteflat side
1515
Außenseiteoutside
1616
Außenseiteoutside
2121
Schneidradcutting wheel
2222
Schneidradcutting wheel
2323
Bandtape
2424
herausgetrennter Streifencut out strip
2525
Armierungreinforcement
3030
Schneidzahncutting tooth
3535
Zahnflanketooth flank
3636
Zahnflanketooth flank
3737
Spitzetop
3838
Schneidkantecutting edge
3939
Verbindungsabschnittconnecting portion
4040
Führungsflächeguide surface
4141
AbweiserkeilAbweiserkeil
AA
SchneidkantenabschnittCutting edge section

Claims (13)

Schneidevorrichtung zum Schneiden von quer zur Schnittrichtung verlaufende Verstärkungseinlagen enthaltenden Bändern zwischen zwei aneinander entlang geführten Schneidkanten, von denen die erste Schneidkante die eine, und die zweite Schneidkante die andere Seite des Bandes beaufschlagt,
dadurch gekennzeichnet, daß die Schneidkanten (38) an gegensinnig sich drehenden und auf zueinander parallelen Drehachsen (8, 9) angeordneten Schneidrädern (12, 22) ausgebildet sind, von denen eines mit gleichmäßig über seinen Umfang verteilten Schneidzähnen (30) versehen ist, wobei das gezahnte Schneidrad (12) mit einem Antrieb (4) gekoppelt, und das andere Schneidrad (22) frei laufend ist.Cutting device for cutting bands containing transversely to the cutting direction reinforcing inserts between two cutting edges guided along each other, of which the first cutting edge acts on the one side, and the second cutting edge on the other side of the belt,
characterized in that the cutting edges (38) on oppositely rotating and mutually parallel axes of rotation (8, 9) arranged cutting wheels (12, 22) are formed, one of which is uniformly distributed over its circumference cutting teeth (30), wherein the toothed cutting wheel (12) is coupled to a drive (4) and the other cutting wheel (22) is free-running. Schneidevorrichtung nach Anspruch 1, gekennzeichnet durch einen mit einem starken Untersetzungsgetriebe (6) versehenen Handkurbelantrieb (5) für das angetriebene Schneidrad (12).Cutting device according to claim 1, characterized by a hand crank drive (5) provided with a strong reduction gear (6) for the driven cutting wheel (12). Schneidevorrichtung nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß jedes der Schneidräder (12, 22) eine an ihrem Außenrand mit der Schneidkante (38) versehene Flachseite (13, 14), die sich entlang der Flachseite (14, 13) des jeweils anderen Schneidrades (22, 12) erstreckt, und eine sich nach außen hin vorzugsweise konisch verjüngende Außenseite (15, 16) aufweist.Cutting device according to one of claims 1 to 2, characterized in that each of the cutting wheels (12, 22) has a flat side (13, 14) provided on its outer edge with the cutting edge (38) extending along the flat side (14, 13) of the each other cutting wheel (22, 12) extends, and a preferably outwardly conically tapered outer side (15, 16). Schneidevorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die radiale Überdeckung der einander zugewandten Flachseiten (13, 14) mindestens so groß wie die radiale Länge der Schneidzähne (30) ist.Cutting device according to claim 3, characterized in that the radial overlap of the mutually facing flat sides (13, 14) is at least as great as the radial length of the cutting teeth (30). Schneidevorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Schneidzähne (30) dreieckig mit vorzugsweise geraden Zahnflanken (35, 36) gestaltet sind.Cutting device according to one of the preceding claims, characterized in that the cutting teeth (30) are triangular with preferably straight tooth flanks (35, 36). Schneidevorrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß der Winkel zwischen den Zahnflanken (35, 36) und der Flachseite (13) des gezahnten Schneidrads (12) 90° beträgt.Cutting device according to one of claims 3 to 5, characterized in that the angle between the tooth flanks (35, 36) and the flat side (13) of the toothed cutting wheel (12) is 90 °. Schneidevorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die beiden Flankenwinkel der Schneidzähne (30) unterschiedlich sind, wobei der in Drehrichtung weisende Flankenwinkel der steilere ist. Cutting device according to one of the preceding claims, characterized in that the two flank angles of the cutting teeth (30) are different, wherein the flank angle pointing in the direction of rotation is steeper. Schneidevorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der steilere der beiden Flankenwinkel zwischen 12° und 16°, und der flachere der beiden Flankenwinkel zwischen 37° und 43° beträgt.Cutting device according to claim 7, characterized in that the steeper of the two flank angles is between 12 ° and 16 °, and the flatter of the two flank angles is between 37 ° and 43 °. Schneidevorrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß der Winkel zwischen der hinteren Zahnflanke (36) eines Schneidzahns (30) und der vorderen Zahnflanke (35) des darauffolgenden Schneidzahnes 50° bis 60°, vorzugsweise 54° beträgt.Cutting device according to claim 7 or 8, characterized in that the angle between the rear tooth flank (36) of a cutting tooth (30) and the front tooth flank (35) of the subsequent cutting tooth is 50 ° to 60 °, preferably 54 °. Schneidevorrichtung nach einem der vorangehenden Ansprüche, gekennzeichnet durch eine paarweise Anordnung sowohl des gezahnten Schneidrades (11, 12) wie auch des weiteren Schneidrades (21, 22), wobei die jeweils ein Paar bildenden Schneidräder auf einer gemeinsamen Drehachse (8 bzw. 9) angeordnet sind, und die Schneidkanten (38) der Paare zum Schneiden eines schmalen Streifens (24) der Breite A einen Abstand A zueinander aufweisen.Cutting device according to one of the preceding claims, characterized by a paired arrangement of both the toothed cutting wheel (11, 12) and the other cutting wheel (21, 22), wherein each forming a pair of cutting wheels arranged on a common axis of rotation (8 and 9) and the cutting edges (38) of the pairs for cutting a narrow strip (24) of width A are at a distance A from one another. Schneidevorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß die die Schneidkanten (38) bildenden Flachseiten (13) der beiden gezahnten Schneidräder (11, 12) voneinander weg, und die die Schneidkanten (38) bildenden Flachseiten (14) der beiden weiteren Schneidräder (12, 22) aufeinander zu weisen.Cutting device according to Claim 10, characterized in that the flat sides (13) of the two toothed cutting wheels (11, 12) forming the cutting edges (38) are away from one another, and the flat sides (14) of the two further cutting wheels (12) forming the cutting edges (38) , 22) face each other. Schneidevorrichtung nach Anspruch 10 oder Anspruch 11, gekennzeichnet durch einen die Lagerung (7) der gezahnten Schneidräder (11, 12) mit der Lagerung (7) der weiteren Schneidräder (21, 22) verbindenden starren Bügel (3), dessen Verbindungsabschnitt (39) in Bezug auf die Schneidräder in Schnittrichtung versetzt angeordnet ist, wobei der Verbindungsabschnitt (39) in Verlängerung des Schneidkantenabstandes A durch das aufgeschnittene Band (23) hindurchgeführt ist.Cutting device according to claim 10 or claim 11, characterized by a bearing (7) of the toothed cutting wheels (11, 12) with the bearing (7) of the other cutting wheels (21, 22) connecting rigid bracket (3) whose connecting portion (39) with respect to the cutting wheels offset in the cutting direction, wherein the connecting portion (39) in extension of the cutting edge distance A is passed through the cut strip (23). Schneidevorrichtung nach Anspruch 12, dadurch gekennzeichnet, daß der Verbindungsabschnitt (39) des Bügels (3) mit Ablenkmitteln (41) zum vertikalen Wegführen des aus dem Band (23) herausgeschnittenen Streifens (24) versehen ist.Cutting device according to claim 12, characterized in that the connecting portion (39) of the stirrup (3) is provided with deflecting means (41) for vertically removing the strip (24) cut out of the band (23).
EP04015281A 2003-08-01 2004-06-30 Cutting device for cutting bands including reinforcing elements Not-in-force EP1502715B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04015281T PL1502715T3 (en) 2003-08-01 2004-06-30 Cutting device for cutting bands including reinforcing elements

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Application Number Priority Date Filing Date Title
DE10335212A DE10335212A1 (en) 2003-08-01 2003-08-01 Cutting device for cutting bands containing reinforcing inserts
DE10335212 2003-08-01

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EP1502715A3 EP1502715A3 (en) 2005-07-27
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AT (1) ATE341427T1 (en)
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906629A (en) * 1974-11-11 1975-09-23 Jr Francis Joseph Fuchs Rotary shear
US4276796A (en) * 1978-04-01 1981-07-07 Thomas Weresch Apparatus for cutting to length the connecting wires of electrical components
US4776249A (en) * 1986-10-29 1988-10-11 Barclay Randel L Resharpenable rotary shearing apparatus
US6234055B1 (en) * 1999-02-22 2001-05-22 Byron Taylor Tire cutting apparatus and method
US20030110912A1 (en) * 2001-12-17 2003-06-19 Mark Edward English Tire cutting machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570195A (en) * 1950-01-24 1951-10-09 Warren N Bird Portable sheet material cutter
US3813981A (en) * 1973-06-18 1974-06-04 Advance Enterprises Inc Paper trimming knife system
AT397481B (en) * 1990-02-21 1994-04-25 Boehler Ybbstalwerke CIRCULAR KNIFE SCISSORS
IT1256262B (en) * 1992-12-30 1995-11-29 Elio Cavagna DEVICE FOR THE TRANSVERSAL CUTTING OF MATERIALS OF VARIOUS KINDS, PREVALENTLY IN THE FORM OF A TAPE
DE10037108A1 (en) * 2000-07-27 2002-02-21 Emmerich Tetkov Cutting device to chop up vegetable matter has counter-cutter in form of circumferential cutter of rotatable second circular disk
US6692424B2 (en) * 2001-08-01 2004-02-17 Gammerler Corporation Rotary trimmer apparatus and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906629A (en) * 1974-11-11 1975-09-23 Jr Francis Joseph Fuchs Rotary shear
US4276796A (en) * 1978-04-01 1981-07-07 Thomas Weresch Apparatus for cutting to length the connecting wires of electrical components
US4776249A (en) * 1986-10-29 1988-10-11 Barclay Randel L Resharpenable rotary shearing apparatus
US6234055B1 (en) * 1999-02-22 2001-05-22 Byron Taylor Tire cutting apparatus and method
US20030110912A1 (en) * 2001-12-17 2003-06-19 Mark Edward English Tire cutting machine

Also Published As

Publication number Publication date
DE10335212A1 (en) 2005-02-17
DE502004001644D1 (en) 2006-11-16
EP1502715A3 (en) 2005-07-27
PL1502715T3 (en) 2007-02-28
ATE341427T1 (en) 2006-10-15
EP1502715B1 (en) 2006-10-04

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