EP0736362B1 - Guillotine-type cutter - Google Patents
Guillotine-type cutter Download PDFInfo
- Publication number
- EP0736362B1 EP0736362B1 EP96103023A EP96103023A EP0736362B1 EP 0736362 B1 EP0736362 B1 EP 0736362B1 EP 96103023 A EP96103023 A EP 96103023A EP 96103023 A EP96103023 A EP 96103023A EP 0736362 B1 EP0736362 B1 EP 0736362B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine according
- knife
- blade
- cutter bar
- support shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- 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
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
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- 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
- B26D1/01—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 involving a cutting member which does not travel with the work
- B26D1/04—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 involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—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 involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—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 involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/869—Means to drive or to guide tool
- Y10T83/8821—With simple rectilinear reciprocating motion only
- Y10T83/8867—With means to adjust tool position on tool holder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/929—Tool or tool with support
- Y10T83/9457—Joint or connection
- Y10T83/9473—For rectilinearly reciprocating tool
- Y10T83/9483—Adjustable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/929—Tool or tool with support
- Y10T83/9457—Joint or connection
- Y10T83/9473—For rectilinearly reciprocating tool
- Y10T83/9483—Adjustable
- Y10T83/9486—Rectilinearly
Definitions
- the invention relates to a face cutting machine, in particular for cutting leafy material, with a table for holding of the material to be cut and one in a vertical plane to the cutting device, which can move the table surface, some can be moved in a frame of the machine mounted knife bar and a knife attached to it has, with at least two adjustable devices in the Distance to each other are stored in the cutter bar for support of the knife in the area of the knife back on the knife bar, whereby the respective adjustable device via a pressure piece supported on the back of the knife.
- a cutting machine of the type mentioned is from the DE-B-10 93 327 known. With this the knife is by means of several fastening screws connected to the cutter bar.
- the screws are screwed into the threaded holes of the knife and penetrate elongated holes in the cutter bar, which are essentially extend vertically to the table surface. Consequently can the knife depending on its degree of wear and tear so that its regrinding in the desired position for Knife bars are positioned.
- the knife is opposite to that Cutter bar, in addition to the fastening screws supported at least two places. This is done by a screw mounted in the cutter bar, which is in a pressure piece is screwed in, which is supported on the back of the knife.
- a face cutting machine is known from DE-B-12 51 271, at who formed the adjustable device as a cam that is supported directly on the back of the knife.
- the invention contributes to this state of the art a cutting machine of the type mentioned that the Pressure piece at least in the contact area with the respective adjustable device is hard trained, the adjustable Device has a cam with a vertical to this arranged, supported in the cutter bar support shaft is connected and the pressure piece with a plate-shaped Guide element is connected between the cam and the cutter bar is arranged and the support shaft engages behind.
- the guide element is between the Cam and the cutter bar fixed, whose Rear grip causes it to swing in with the knife removed the support shaft is suspended.
- the guide element advantageously has an elongated hole, the support shaft of this elongated hole enforced. In this design of the guide element is thus the pressure piece between the cam disc and the cutter bar positioned captively, but still in the longitudinal direction of the elongated hole according to the feed movement of the cam disc movable.
- the hard pressure piece is a separate component, with what, um digging the adjustable device into the back of the knife to prevent it from being made of metal harden existing knives altogether. Rather, it is enough the pairing between the adjustable device and the To design the pressure piece with the corresponding hardness; between the pressure piece and the back of the knife is such a hardness Materials not required as the surface pressure between these parts is relatively small.
- the cam disk is made of hardened Metal exists and the pressure piece in the contact area with the Cam is hard, preferably also made of hardened Metal.
- the cam and that Pressure piece but made of any materials, provided they have the appropriate hardness and are suitable, a high To withstand surface pressure.
- the great hardness of the pressure piece allows the cutting knife to be made in two parts, namely consisting of one connected to the cutter bar Knife holder made of non-hardened metal and one with the Knife holder connected, the actual cut through the good leading knife plate, for example in a recess of the knife holder and is hard with this is soldered.
- the material pairing described above comes so hard material can only be used where high forces or Surface pressures are recorded. In the other areas it is sufficient to use less expensive, unhardened material use.
- the cam can be rotated relative to the cutter bar and requires more or less about their curve design strong change in position of the knife relative to the knife bar.
- the cam can, for example, in the essentially over a semicircle, in annex with have the peripheral surface section which can be brought back, the axis of the support shaft at a distance from the center of the circle is arranged.
- an eccentricity is brought about allowed when rotating the cam disc by about 180 ° to perform maximum infeed movement.
- the delivery movement of the Cam can also have a larger swivel angle take place, for example by means of a spiral design the cam, with a swivel angle of, for example 300 °. Basically, it is sufficient if the cam disc forces applied to them via the knife via the support shaft in the cutter bar.
- the cam can thus basically be pivotable relative to the support shaft, in which case it should be specified, for example by they in their set position, which lies against the back of the knife is connected to the cutter bar. That is advantageous Cam but non-rotatably connected to the support shaft, the in turn by means of a clamping element in the direction of rotation and is axially fixable. Alternatively, the cam can also by means of one arranged between this and the cutter bar Be able to determine the friction lining. This can be in addition to the clamping element be provided.
- the respective support shaft should drill a hole Enforce knife holder and thus from the operator side of the Cutting machine can be rotated and fixed.
- a special development of the invention provides that a spacer is arranged between the pressure piece and the knife is. This is used when the knife is ready is worn out that a maximum infeed movement of the adjustable Facilities are not sufficient, the knife back in the required distance to the cutter bar. A further infeed movement of the knife is accordingly the gained strength of the spacer possible.
- the spacer is conveniently connected to the knife, in particular with the Knife screwed.
- the pressure pieces and / or the spacers are only advantageous arranged in the area of the knife where the pressure forces are to be transferred.
- the pressure pieces and / or the spacers are advantageously cuboid.
- the cutter bar with several, in the adjustment direction of the Knife relative to the knife carrier extending elongated holes provided, with each slot at least one threaded hole in the Knife is assigned, as well as a fastening screw this Elongated hole and the threaded hole penetrated.
- the knife should be assigned several to each slot Have threaded holes related to the longitudinal extent of the slot are spaced from each other. It can be so the length of the respective elongated hole was kept relatively small , in order to achieve the long travel range, the respective Fixing screw in the slot assigned to each Threaded hole is screwed.
- the wedge cutting machine according to the invention is in the figures illustrated by two embodiments, without this to be limited.
- the face cutting machine 1 shown in FIG. 1 has one Stand 2 with table 3 and one each above the table extending portal frame 4.
- the table 3 is used for recording of the material to be cut in cuboid form on the Table surface 6, which extends perpendicular to the sheet plane.
- the good to be cut is in particular a pile of snowy goods formed from leaves. The good to be cut is not shown in the figure.
- FIG. 1 illustrates the face cutting machine, from the operator side seen. Behind the portal frame 4 is in the table 3 Feed saddle 7 for moving the material to be cut vertically stored at the leaf level. Are illustrated in the figure the individual rake-like approaches 8 of the feed saddle.
- a Knife bar 9 is mounted in the portal frame 4 and essentially vertical, i.e. movable in the sheet plane. Behind the Knife bar 9 is a knife that is only visible in the lower area 10 arranged and screwed to the cutter bar 9. In the Figure 1 screws not shown enforce a variety of vertically oriented slots 11 in the cutter bar 9 and with this corresponding threaded holes in the knife 10. Behind the knife 10 is visible only in the lower area Press bar 12 for pressing down the material to be cut provided during the cut.
- the lower surface of the press beam 12 is illustrated by reference numeral 5, Cutting edge of knife 10 through line 13.
- FIG. 1 the lower contour runs from the cutter bar 9 and cutter 10 inclined to the table surface 6, since the cutter bar 9 and that Knife 10 are moved in the swing cut and therefore only in their bottom dead centers parallel to the table surface 6 come to lie.
- FIG. 1 illustrates the cutter bar 9, the knife 10 and the press beam 12 in their respective raised Position.
- a data entry keyboard 14 is additionally shown Screen 15, switch 16, control buttons 17, a foot pedal 19 for the hint of cut and side plates 18 clarify.
- FIGS. 2 and 3 illustrates in the area of two elongated holes 11 of the Knife bar 9 the connection of the knife 10 with the knife bar 9.
- Each slot 11 is one, only for its threaded portion illustrated fastening screw 21 penetrates, the inserted through the slot 11 from the front and into a corresponding threaded hole of the knife 10 is screwed.
- the slot 11 oriented vertically to the table surface 6 allows the knife bar 9 to remain in the same position the distance between the lower edge 13 of the knife and the table surface 6 to change.
- the device 20 for knife support and their Adjustment is suitable, the knife 10 in any position to support.
- a cam 22 which is a spiral and extending substantially over an angle of approximately 300 ° Has peripheral surface portion 23.
- a support shaft 24 with this rotatably connected which has a horizontally oriented through hole 25 penetrated radially without play in the cutter bar 9.
- the spiral runs thereby firmly connected about the pivot axis 26 of the support shaft 24 is the support shaft 24 with the cam plate 22 by training the support shaft 24 with a square insert, the one corresponding opening in the cam 22 with formation press fit.
- a cuboidal pressure piece 29 inserted from hardened metal. This is by means of two screws 30 with a guide plate 31 connected. It extends in the vertical direction and receives the pressure piece 29 in the region of its lower end and is in her central area with one in her Provided longitudinally extending slot 32.
- the guide plate 31 is between the cam plate 22 and the cutter bar 9 arranged, the support shaft 24, the slot 32 of the Guide plate 31 passes through.
- Knife holder 33 made of non-hardened steel, the back of the knife 28, as well as one that performs the actual cut, with the cutting edge 13 provided knife plate 34, which in one Recess of the knife holder 33 used and hard with this is soldered.
- the knife plate 34 is made of hardened steel.
- the knife 10 can be reground, making it vertical Dimension reduced. Due to the design of the Chopping machine with the device for adjusting the Knife support can the knife 10 to its complete Grinding defined by means of the two at a distance from each other arranged cams 22 are supported.
- Figure 2 illustrates the width dimension of a with the distance dimension x ' new knife 10.
- Embodiment does not have a cuboid spacer 35 hardened metal by means of several screws 36 with the knife carrier 33 screwed in the area of the knife back 28.
- the Figure shows that between the pressure piece 29 and the Knife 10 effective spacer 35 the full stroke of the associated Cam 22 is available again.
- the length of the elongated holes 11 can be reduced if in the longitudinal extent of the respective elongated hole 11 a plurality of threaded holes are provided in the knife 10, so that depending 10 different from the width of the knife Threaded holes 21 can be used.
- the length of the Elongated hole 32 in the respective guide plate 31 is like this dimensioned that the support shaft 24 during the eccentric stroke Elongated hole 32 can enforce freely.
- the cam is 22 shrunk onto the rear end of the support shaft 24.
- the support shaft 24 is through the bore 25 of the cutter bar 9 passed and in that of the associated cam 22nd front area facing away by means of a clamping plate 37 definable.
- the clamping plate 37 has a recess 38 in the Cutter bar 9 and is provided with a hole whose Diameter slightly larger than the outside diameter of the Support shaft 24.
- Parallel to axis 26 is the clamping plate 37 provided with a threaded bore 39 into which a screw 40 is screwed in, the shaft of a blind hole 41 in the cutter bar 9 enforced.
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Cutting Devices (AREA)
- Nonmetal Cutting Devices (AREA)
- Shearing Machines (AREA)
Description
Die Erfindung betrifft eine Planschneidmaschine, insbesondere zum Schneiden von blättrigem Gut, mit einem Tisch zur Aufnahme des zu schneidenden Gutes und einer in einer vertikalen Ebene zur das Gut aufnehmenden Tischoberfläche verfahrbaren Schneideinrichtung, die einen in einem Rahmen der Maschine verfahrbar gelagerten Messerbalken sowie ein an diesem befestigtes Messer aufweist, wobei mindestens zwei verstellbaren Einrichtungen im Abstand zueinander im Messerbalken gelagert sind, zum Abstützen des Messers im Bereich des Messerrückens am Messerbalken, wobei sich die jeweilige verstellbare Einrichtung über ein Druckstück am Messerrücken abstützt.The invention relates to a face cutting machine, in particular for cutting leafy material, with a table for holding of the material to be cut and one in a vertical plane to the cutting device, which can move the table surface, some can be moved in a frame of the machine mounted knife bar and a knife attached to it has, with at least two adjustable devices in the Distance to each other are stored in the cutter bar for support of the knife in the area of the knife back on the knife bar, whereby the respective adjustable device via a pressure piece supported on the back of the knife.
Eine Planschneidmaschine der eingangs genannten Art ist aus der DE-B-10 93 327 bekannt. Bei dieser ist das Messer mittels mehrerer Befestigungsschrauben mit dem Messerbalken verbunden. A cutting machine of the type mentioned is from the DE-B-10 93 327 known. With this the knife is by means of several fastening screws connected to the cutter bar.
Die Schrauben sind in Gewindebohrungen des Messers eingeschraubt und durchsetzen Langlöcher im Messerbalken, die sich im wesentlichen vertikal zur Tischoberfläche erstrecken. Infolgedessen kann das Messer in Abhängigkeit von dessen Abnutzungsgrad und damit dessen Nachschliff in der gewünschten Position zum Messerbalken positioniert werden. Das Messer ist gegenüber dem Messerbalken, zusätzlich zu den Befestigungsschrauben, an mindestens zwei Stellen abgestützt. Dies erfolgt jeweils durch eine im Messerbalken gelagerte Schraube, die in ein Druckstück eingeschraubt ist, das sich am Messerrücken abstützt.The screws are screwed into the threaded holes of the knife and penetrate elongated holes in the cutter bar, which are essentially extend vertically to the table surface. Consequently can the knife depending on its degree of wear and tear so that its regrinding in the desired position for Knife bars are positioned. The knife is opposite to that Cutter bar, in addition to the fastening screws supported at least two places. This is done by a screw mounted in the cutter bar, which is in a pressure piece is screwed in, which is supported on the back of the knife.
Aus der DE-B-12 51 271 ist eine Planschneidmaschine bekannt, bei der die verstellbare Einrichtung als Kurvenscheibe ausgebildet ist, die sich unmittelbar am Messerrücken abstützt.A face cutting machine is known from DE-B-12 51 271, at who formed the adjustable device as a cam that is supported directly on the back of the knife.
Gegenüber diesem Stand der Technik schlägt die Erfindung bei einer Schneidmaschine der eingangs genannten Art vor, daß das Druckstück zumindest im Kontaktbereich mit der jeweiligen verstellbaren Einrichtung hart ausgebildet ist, die verstellbare Einrichtung eine Kurvenscheibe aufweist, die mit einer senkrecht zu dieser angeordneten, im Messerbalken gelagerten Abstützwelle verbunden ist und das Druckstück mit einem plattenförmigen Führungselement verbunden ist, das zwischen der Kurvenscheibe und dem Messerbalken angeordnet ist und die Abstützwelle hintergreift.The invention contributes to this state of the art a cutting machine of the type mentioned that the Pressure piece at least in the contact area with the respective adjustable device is hard trained, the adjustable Device has a cam with a vertical to this arranged, supported in the cutter bar support shaft is connected and the pressure piece with a plate-shaped Guide element is connected between the cam and the cutter bar is arranged and the support shaft engages behind.
Eine besondere Bedeutung wird darin gesehen, daß das Druckstück keinen Bestandteil des Messers bildet, sondern frei zwischen dem Messerrücken und der verstellbaren Einrichtung angeordnet ist. Das Druckstück liegt damit immer optimal am Messerrücken an, auch dann, wenn er verzogen oder aus anderen Gründen nicht exakt positioniert sein sollte. Das Führungselement ist zwischen der Kurvenscheibe und dem Messerbalken fixiert, wobei dessen Hintergriff bewirkt, daß es bei entferntem Messer pendelnd in der Abstützwelle aufgehängt ist. Vorteilhaft weist das Führungselement ein Langloch auf, wobei die Abstützwelle dieses Langloch durchsetzt. Bei dieser Gestaltung des Führungselementes ist damit das Druckstück zwischen der Kurvenscheibe und dem Messerbalken unverlierbar positioniert, aber dennoch in Längsrichtung des Langlochs entsprechend der Zustellbewegung der Kurvenscheibe verschieblich.A particular meaning is seen in the fact that the pressure piece does not form part of the knife, but freely between the Knife back and the adjustable device is arranged. The pressure piece therefore always lies optimally on the back of the knife, even if it warps or is not exact for other reasons should be positioned. The guide element is between the Cam and the cutter bar fixed, whose Rear grip causes it to swing in with the knife removed the support shaft is suspended. The guide element advantageously has an elongated hole, the support shaft of this elongated hole enforced. In this design of the guide element is thus the pressure piece between the cam disc and the cutter bar positioned captively, but still in the longitudinal direction of the elongated hole according to the feed movement of the cam disc movable.
Das harte Druckstück stellt ein separates Bauteil dar, womit, um ein Eingraben der verstellbaren Einrichtung in den Messerrücken zu verhindern, es nicht erforderlich ist, das aus Metall bestehende Messer insgesamt zu härten. Es reicht vielmehr aus, die Paarung zwischen der verstellbaren Einrichtung und dem Druckstück mit der entsprechenden Härte auszugestalten; zwischen dem Druckstück und dem Messerrücken ist eine solche Härte der Materialien nicht erforderlich, da die Flächenpressung zwischen diesen Teilen relativ gering ist.The hard pressure piece is a separate component, with what, um digging the adjustable device into the back of the knife to prevent it from being made of metal harden existing knives altogether. Rather, it is enough the pairing between the adjustable device and the To design the pressure piece with the corresponding hardness; between the pressure piece and the back of the knife is such a hardness Materials not required as the surface pressure between these parts is relatively small.
Es reicht damit völlig aus, wenn die Kurvenscheibe aus gehärtetem Metall besteht und das Druckstück im Kontaktbereich mit der Kurvenscheibe hart ist, vorzugsweise gleichfalls aus gehärtetem Metall besteht. Grundsätzlich können die Kurvenscheibe und das Druckstück aber aus beliebigen Materialien bestehen, sofern sie die entsprechende Härte aufweisen und geeignet sind, einer hohen Flächenpressung Stand zu halten. Die große Härte des Druckstückes erlaubt es, das Schneidmesser zweiteilig auszubilden, nämlich bestehend aus einem mit dem Messerbalken verbundenen Messerträger aus nicht gehärtetem Metall und einer mit dem Messerträger verbundenen, den eigentlichen Schnitt durch das Gut vollführenden Messerplatte, die beispielsweise in einem Rücksprung des Messerträgers aufgenommen ist und mit diesem hart verlötet ist. Bei den vorbeschriebenen Materialpaarung kommt damit hartes Material nur dort zum Einsatz, wo hohe Kräfte bzw. Flächenpressungen zu verzeichnen sind. In den anderen Bereichen reicht es aus, kostengünstigeres, ungehärtetes Material zu verwenden.It is therefore sufficient if the cam disk is made of hardened Metal exists and the pressure piece in the contact area with the Cam is hard, preferably also made of hardened Metal. Basically, the cam and that Pressure piece but made of any materials, provided they have the appropriate hardness and are suitable, a high To withstand surface pressure. The great hardness of the pressure piece allows the cutting knife to be made in two parts, namely consisting of one connected to the cutter bar Knife holder made of non-hardened metal and one with the Knife holder connected, the actual cut through the good leading knife plate, for example in a recess of the knife holder and is hard with this is soldered. The material pairing described above comes so hard material can only be used where high forces or Surface pressures are recorded. In the other areas it is sufficient to use less expensive, unhardened material use.
Die Kurvenscheibe läßt sich relativ zum Messerbalken verdrehen und bedingt über deren Kurvengestaltung eine mehr oder weniger starke Positionsveränderung des Messers relativ zum Messerbalken. Die Kurvenscheibe kann beispielsweise einen sich im wesentlichen über einen Halbkreis erstreckenden, in Anlage mit dem Messerrücken bringbaren Umfangsflächenabschnitt aufweisen, wobei die Achse der Abstützwelle in Abstand zum Kreismittelpunkt angeordnet ist. Somit wird eine Exzentrizität bewirkt, die es gestattet, bei der Drehung der Kurvenscheibe um etwa 180° eine maximale Zustellbewegung zu vollführen. Die Zustellbewegung der Kurvenscheibe kann aber auch über einen größeren Schwenkwinkel erfolgen, beispielsweise mittels einer spiralförmigen Gestaltung der Kurvenscheibe, mit einem Schwenkwinkel von beispielsweise 300°. Grundsätzlich reicht es aus, wenn die Kurvenscheibe die über das Messer auf sie eingeleiteten Kräfte über die Abstützwelle in den Messerbalken überträgt. Die Kurvenscheibe kann damit grundsätzlich relativ zur Abstützwelle schwenkbar sein, wobei sie in diesem Fall festzulegen ist, beispielsweise indem sie in ihrer eingestellten, am Messerrücken anliegenden Position mit dem Messerbalken verbunden wird. Vorteilhaft ist die Kurvenscheibe aber drehfest mit der Abstützwelle verbunden, die ihrerseits mittels eines Klemmelementes in Drehrichtung und axial festlegbar ist. Alternativ kann die Kurvenscheibe auch mittels eines zwischen dieser und dem Messerbalken angeordneten Reibbelages festlegbar sein. Dieser kann zusätzlich zum Klemmelement vorgesehen sein.The cam can be rotated relative to the cutter bar and requires more or less about their curve design strong change in position of the knife relative to the knife bar. The cam can, for example, in the essentially over a semicircle, in annex with have the peripheral surface section which can be brought back, the axis of the support shaft at a distance from the center of the circle is arranged. Thus an eccentricity is brought about allowed when rotating the cam disc by about 180 ° to perform maximum infeed movement. The delivery movement of the Cam can also have a larger swivel angle take place, for example by means of a spiral design the cam, with a swivel angle of, for example 300 °. Basically, it is sufficient if the cam disc forces applied to them via the knife via the support shaft in the cutter bar. The cam can thus basically be pivotable relative to the support shaft, in which case it should be specified, for example by they in their set position, which lies against the back of the knife is connected to the cutter bar. That is advantageous Cam but non-rotatably connected to the support shaft, the in turn by means of a clamping element in the direction of rotation and is axially fixable. Alternatively, the cam can also by means of one arranged between this and the cutter bar Be able to determine the friction lining. This can be in addition to the clamping element be provided.
Um eine besonders einfache Bedienbarkeit der Einrichtung zu ermöglichen, sollte die jeweilige Abstützwelle eine Bohrung des Messerträgers durchsetzen und damit von der Bedienerseite der Schneidmaschine verdrehbar und festlegbar sein. To make the facility particularly easy to use enable, the respective support shaft should drill a hole Enforce knife holder and thus from the operator side of the Cutting machine can be rotated and fixed.
Eine besondere Weiterbildung der Erfindung sieht vor, daß zwischen dem Druckstück und dem Messer ein Distanzstück angeordnet ist. Dieses findet Verwendung, wenn das Messer soweit abgenutzt ist, daß eine maximale Zustellbewegung der verstellbaren Einrichtungen nicht ausreicht, dessen Messerrücken in erforderlichem Abstand zum Messerbalken zu positionieren. Eine weitere Zustellbewegung des Messers ist damit entsprechend der gewonnenen Stärke des Distanzstückes möglich. Das Distanzstück ist zweckmäßig mit dem Messer verbunden, insbesondere mit dem Messer verschraubt.A special development of the invention provides that a spacer is arranged between the pressure piece and the knife is. This is used when the knife is ready is worn out that a maximum infeed movement of the adjustable Facilities are not sufficient, the knife back in the required distance to the cutter bar. A further infeed movement of the knife is accordingly the gained strength of the spacer possible. The spacer is conveniently connected to the knife, in particular with the Knife screwed.
Vorteilhaft sind die Druckstücke und/oder die Distanzstücke nur in demjenigen Bereich des Messers angeordnet, wo die Druckkräfte zu übertragen sind. Die Druckstücke und/oder die Distanzstücke sind vorteilhaft quaderförmig ausgebildet.The pressure pieces and / or the spacers are only advantageous arranged in the area of the knife where the pressure forces are to be transferred. The pressure pieces and / or the spacers are advantageously cuboid.
Um eine Befestigung des Messers am Messerbalken in Abhängigkeit von deren unterschiedlichen Relativpositionen sicherzustellen, ist der Messerbalken mit mehreren, sich in Verstellrichtung des Messers relativ zum Messerträger erstreckenden Langlöchern zu versehen, wobei jedem Langloch mindestens eine Gewindebohrung im Messer zugeordnet ist, sowie eine Befestigungsschraube dieses Langloch und die Gewindebohrung durchsetzt. Insbesondere für den Fall, daß zusätzlich ein Distanzstück Verwendung findet, womit sich ein großer Stellweg des Messers relativ zum Messerbalken ergibt, sollte das Messer jedem Langloch zugeordnet mehrere Gewindebohrungen aufweisen, die bezogen auf die Längserstreckung des Langloches in Abstand zueinander angeordnet sind. Es kann so die Länge des jeweiligen Langloches relativ klein gehalten werden, wobei, um den großen Stellweg zu erreichen, die jeweilige Befestigungsschraube in die den Langloch jeweils zugeordnete Gewindebohrung geschraubt wird.Depending on the attachment of the knife to the cutter bar from their different relative positions, is the cutter bar with several, in the adjustment direction of the Knife relative to the knife carrier extending elongated holes provided, with each slot at least one threaded hole in the Knife is assigned, as well as a fastening screw this Elongated hole and the threaded hole penetrated. Especially for the Case that a spacer is also used, with what there is a large travel of the knife relative to the knife bar results, the knife should be assigned several to each slot Have threaded holes related to the longitudinal extent of the slot are spaced from each other. It can be so the length of the respective elongated hole was kept relatively small , in order to achieve the long travel range, the respective Fixing screw in the slot assigned to each Threaded hole is screwed.
Weitere Merkmale der Erfindung sind in der Beschreibung der Figuren und den Figuren selbst dargestellt, wobei bemerkt wird, daß alle Einzelmerkmale und alle Kombinationen von Einzelmerkmalen erfindungswesentlich sind.Further features of the invention are in the description of the Figures and the figures themselves, it being noted that all individual characteristics and all combinations of individual characteristics are essential to the invention.
In den Figuren ist die erfindungsgemäße Planschneidmaschine anhand zweier Ausführungsformen verdeutlicht, ohne auf diese beschränkt zu sein.The wedge cutting machine according to the invention is in the figures illustrated by two embodiments, without this to be limited.
Es zeigt:
- Figur 1
- eine Frontansicht der Planschneidmaschine,
Figur 2- das Detail A gemäß Figur 1, zur Verdeutlichung einer ersten Ausführungsform der Messerabstützung,
Figur 3- einen Schnitt gemäß Linie B-B in
Figur 2, Figur 4- eine Messerabstützung gemäß
Figur 2, jedoch unter Verwendung eines Distanzstückes, und Figur 5- einen Schnitt durch eine zweite Ausführungsform
der Messerabstützung, entsprechend
der Darstellung in
Figur 3.
- Figure 1
- a front view of the face cutting machine,
- Figure 2
- detail A according to FIG. 1, to illustrate a first embodiment of the knife support,
- Figure 3
- 2 shows a section along line BB in FIG. 2,
- Figure 4
- a knife support according to Figure 2, but using a spacer, and
- Figure 5
- 3 shows a section through a second embodiment of the knife support, as shown in FIG. 3.
Die in Figur 1 gezeigte Planschneidmaschine 1 weist einen
Ständer 2 mit Tisch 3 sowie je einen sich oberhalb des Tisches
erstreckenden Portalrahmen 4 auf. Der Tisch 3 dient der Aufnahme
des in Quaderform vorliegenden zu schneidenden Gutes auf der
Tischoberfläche 6, die sich senkrecht zur Blattebene erstreckt.
Bei dem zu schneidenen Gut handelt es sich insbesondere um ein
aus Blättern gebildeten Schneigutstapel. Das zu schneidende Gut
ist in der Figur nicht gezeigt.The face cutting machine 1 shown in FIG. 1 has one
Figur 1 veranschaulicht die Planschneidmaschine, von der Bedienerseite
gesehen. Hinter dem Portalrahmen 4 ist im Tisch 3 ein
Vorschubsattel 7 zum Verschieben des zu schneidenden Gutes senkrecht
zur Blattebene gelagert. Verdeutlicht sind in der Figur
die einzelnen rechenartigen Ansätze 8 des Vorschubsattels. Ein
Messerbalken 9 ist im Portalrahmen 4 gelagert und im wesentlichen
vertikal, d.h. in der Blattebene verfahrbar. Hinter dem
Messerbalken 9 ist ein, nur im unteren Bereich sichtbares Messer
10 angeordnet und mit dem Messerbalken 9 verschraubt. In der
Figur 1 nicht gezeigte Schrauben durchsetzen eine Vielzahl von
vertikal orientierten Langlöchern 11 im Messerbalken 9 sowie mit
diesen korrespondierende Gewindebohrungen im Messer 10. Hinter
dem Messer 10 ist ein, nur im unteren Bereich sichtbarer
Pressbalken 12 zum Niederdrücken des zu schneidenden Gutes
während des Schnittes vorgesehen. Die untere Fläche des Pressbalkens
12 ist mit der Bezugsziffer 5 veranschaulicht, die
Schneidkante des Messers 10 durch die Linie 13. In der Figur 1
verläuft die untere Kontur vom Messerbalken 9 und Messer 10
geneigt zur Tischoberfläche 6, da der Messerbalken 9 und das
Messer 10 im Schwingschnitt bewegt werden und demzufolge nur in
deren unteren Totpunkten parallel zur Tischoberfläche 6 zu
liegen kommen. Die Figur 1 veranschaulicht den Messerbalken 9,
das Messer 10 und den Pressbalken 12 in ihrer jeweils angehobenen
Position.Figure 1 illustrates the face cutting machine, from the operator side
seen. Behind the
In Figur 1 sind zusätzlich eine Dateneingabetastatur 14, ein
Bildschirm 15, Schalter 16, Bedientasten 17, ein Fußhebel 19 für
die Schnittandeutung sowie Seitenbleche 18 verdeutlicht.In FIG. 1, a
Wie der Darstellung der Figur 1 zu entnehmen ist, weist die
Planschneidmaschine im Bereich des Messerbalkens 9 zwei in
horizontalem Abstand zueinander angeordnete Einrichtungen 20 zur
Messerverstellung und -abstützung auf. Eine dieser Einrichtungen
20 ist im Detail für zwei Ausführungsformen in den nachfolgenden
Figuren 2 - 5 beschrieben. As can be seen from the illustration in FIG
Slicer in the area of the
Figur 2 verdeutlicht im Bereich zweier Langlöcher 11 des
Messerbalkens 9 die Verbindung des Messers 10 mit dem Messerbalken
9. Jedes Langloch 11 wird von einer, nur für deren Gewindeabschnitt
veranschaulichten Befestigungsschraube 21 durchsetzt,
die von vorne durch das Langloch 11 hindurchgesteckt und in eine
entsprechende Gewindebohrung des Messers 10 eingeschraubt ist.
Das vertikal zur Tischoberfläche 6 orientierte Langloch 11
erlaubt es, bei unveränderlicher Position des Messerbalkens 9
den Abstand der Unterkante 13 des Messers zur Tischoberfläche 6
zu ändern. Die Einrichtung 20 zur Messerabstützung und deren
Verstellung ist geeignet, das Messer 10 in beliebiger Stellung
abzustützen. Hierzu ist, wie den Figuren 2 und 3 zu entnehmen
ist, eine Kurvenscheibe 22 vorgesehen, die einen sich spiralförmig
und im wesentlichen über einen Winkel von etwa 300° erstreckenden
Umfangsflächenabschnitt 23 aufweist. Senkrecht zur
Kurvenscheibe 22 ist eine Abstützwelle 24 mit dieser drehfest
verbunden, die eine horizontal orientierte Durchgangsbohrung 25
im Messerbalken 9 radial spielfrei durchsetzt. Die Spirale läuft
dabei um die Schwenkachse 26 der Abstützwelle 24. Fest verbunden
ist die Abstützwelle 24 mit der Kurvenscheibe 22 durch Ausbildung
der Abstützwelle 24 mit einem Vierkanteinsatz, der eine
entsprechende Öffnung in der Kurvenscheibe 22 unter Bildung
einer Presspassung durchsetzt.Figure 2 illustrates in the area of two
Zwischen die Kurvenscheibe 22 und dem Messerrücken 28 ist ein
quaderförmiges Druckstück 29 aus gehärtetem Metall eingefügt.
Dieses ist mittels zweier Schrauben 30 mit einer Führungsplatte
31 verbunden. Sie erstreckt sich in vertikaler Richtung und
nimmt in dem Bereich ihres unteren Endes das Druckstück 29 auf
und ist in ihrem zentralen Bereich mit einem sich in ihrer
Längsrichtung erstreckenden Langloch 32 versehen. Die Führungsplatte
31 ist zwischen der Kurvenscheibe 22 und dem Messerbalken
9 angeordnet, wobei die Abstützwelle 24 das Langloch 32 der
Führungsplatte 31 durchsetzt.Between the
Für den Bereich des Messers 10 der Planschneidmaschine 1 ergibt
sich folgende Materialpaarung: Die Kurvenscheibe 22 und das
Druckstück 29 bestehen aus gehärtetem Stahl, um die Flächenpressung
infolge der Linienberührung zwischen diesen Teilen
beherrschen zu können. Wegen der relativ niedrigen Flächenpressung
zwischen den Druckstücken 29 und dem Messer 10 im
Bereich des Messerrückens 28 ist das Messer 10 zweiteilig
ausgebildet. Es besteht in bekannter Art und Weise aus einem
Messerträger 33 aus nichtgehärtetem Stahl, der den Messerrücken
28 aufweist, sowie einer den eigentlichen Schnitt vollführenden,
mit der Schneidkante 13 versehenen Messerplatte 34, die in einen
Rücksprung des Messerträgers 33 eingesetzt und mit diesem hart
verlötet ist. Die Messerplatte 34 besteht aus gehärtetem Stahl.
Entsprechend der vertikalen Erstreckung der Messerplatte 34 kann
das Messer 10 nachgeschliffen werden, womit sich dessen vertikale
Abmessung reduziert. Auf Grund der Gestaltung der
Planschneidmaschine mit der Einrichtung zum Verstellen der
Messerabstützung kann das Messer 10 bis zu dessen vollständigen
Abschliff definiert mittels der beiden in Abstand zueinander
angeordneten Kurvenscheiben 22 abgestützt werden. Figur 2
verdeutlicht mit dem Abstandsmaß x' die Breitenerstreckung eines
neuen Messers 10. Bei Einsatz eines neuen Messers 10 ist die
Kurvenscheibe 22 in etwa 180° zu der in der Figur 2 dargestellten
Position verdreht, und kontaktiert im Bereich ihres Umfangsflächenabschnittes
23 das Druckstück 29. Verschleißt das Messer
10, wird es vom Messerbalken 9 demontiert, wobei das jeweilige
Druckstück 29 auf Grund dessen pendelnder Aufhängung in der
zugeordneten Abstützwelle 24 mittels der Führungsplatte 31
verliersicher im Messerbalken 9 gehalten ist. Nach dem Schleifen
des Messers 10 wird es mittels der Befestigungsschrauben 21 lose
mit dem Messerbalken 9 verbunden und die beiden Kurvenscheiben
22 so verdreht und damit bezüglich der Druckstücke 29 so
zugestellt, daß die Schneidkante 13 des Messers 10 bei im
unteren Totpunkt befindlichen Messerbalken 9 geringfügig in eine
in den Tisch 3 eingelassene, nicht gezeigte Schneidleiste
eindringt. In dieser Position werden die Befestigungsschrauben
21 angezogen. Wie der Darstellung der Figur 2 zu entnehmen ist,
ist die Stützwirkung der Kurvenscheiben 22 wirksam, solange die
Breite des Schneidmessers 10 das Maß x nicht unterschreitet. Um
auch bei einem auf dieses Maß abgeschliffenen Messers 10 dieses
weiterverwenden zu können, wird gemäß der in Figur 4 dargestellten
Ausführungsform ein quaderförmiges Distanzstück 35 aus nicht
gehärtetem Metall mittels mehrerer Schrauben 36 mit dem Messerträger
33 im Bereich des Messerrückens 28 verschraubt. Die
Figur verdeutlicht, daß bei zwischen dem Druckstück 29 und dem
Messer 10 wirksamen Distanzstück 35 der volle Hub der zugeordneten
Kurvenscheibe 22 erneut zur Verfügung steht. Während bei
einem neuen Messer 10 die Befestigungsschrauben 21 annähernd im
Bereich der oberen Enden der Langlöcher 11 positioniert sind,
ergibt sich bei der maximalen Zustellbewegung der Kurvenscheiben
22, gemäß der Darstellung in Figur 2, eine Position der Befestigungsschrauben
21 etwa in der Mitte der Langlöcher 11 und bei
einer maximalen Zustellbewegung der Kurvenscheiben 22 unter
Verwendung des Distanzstückes 35 eine Position der Befestigungsschrauben
21 im Bereich der unteren Enden der Langlöcher 11.For the area of the
Die Länge der Langlöcher 11 kann reduziert werden, wenn in Längserstreckung
des jeweiligen Langloches 11 mehrere Gewindebohrungen
im Messer 10 vorgesehen sind, so daß in Abhängigkeit
von der Breitenerstreckung des Messers 10 unterschiedliche
Gewindebohrungen 21 benutzt werden können. Die Länge des
Langloches 32 in der jeweiligen Führungsplatte 31 ist so
bemessen, daß die Abstützwelle 24 während des Exzenterhubes das
Langloch 32 frei durchsetzen kann.The length of the
Bei der Ausführungsform nach der Figur 5 ist die Kurvenscheibe
22 auf das rückwärtige Ende der Abstützwelle 24 aufgeschrumpft.
Die Abstützwelle 24 ist durch die Bohrung 25 des Messerbalkens
9 hindurchgeführt und in dem der zugeordneten Kurvenscheibe 22
abgewandten, vorderen Bereich mittels einer Klemmplatte 37
festlegbar. Die Klemmplatte 37 besitzt eine Aussparung 38 im
Messerbalken 9 und ist mit einer Bohrung versehen, deren
Durchmesser geringfügig größer iost als der Außendurchmesser der
Abstützwelle 24. Paralell zur Achse 26 ist die Klemmplatte 37
mit einer Gewindebohrung 39 versehen, in die eine Schraube 40
eingeschraubt ist, deren Schaft ein Sackloch 41 im Messerbalken
9 durchsetzt. Beim Einschrauben der Schraube 40 in das Sackloch
41 kippt die Klemmplatte 37 geringfügig und legt die zugeordnete
Abstützwelle 24 somit sowohl axial als auch in Drehrichtung
fest. Um bei nicht geklemmeter Abstutzwelle 24 die zugeordnete
Klemmplatte 37 verliersicher zu halten, ist das vordere Ende der
Abstützwelle 24 mit einem Sicherungsring 42 versehen. Zum Drehen
der jeweiligen Abstützwelle 24 und damit der zugeordneten
Kurvenscheibe 22 ist die Abstützwelle 24 auf der Bedienerseite
mit einer Innensechskantbohrung 43 zum Einsetzen eines Innensechskantschlüssels
versehen.In the embodiment according to FIG. 5, the cam is
22 shrunk onto the rear end of the
Claims (14)
- Guillotine-type cutting machine (1), in particular for cutting sheet material, comprising a table (3) for receiving the material that is to be cut, and a cutting device (9, 10) which is adapted to be moved in a vertical plane to the table surface (6) receiving the material and which features a cutter bar (9) mounted in a frame (4) of the machine (1) so as to be movable, and a blade (10) affixed to said cutter bar (9), with at least two adjustable devices (20) being mounted at a distance from one another in the cutter bar (9) for supporting the reverse (28) of the blade (10) on the cutter bar (9), and with each respective adjustable device (20) being supported on the reverse (28) of the blade (10) via a pressure member (29), characterised in that at least in the region of contact with each respective adjustable device (20) the pressure member is hard, the adjustable device (20) features a cam plate (22) which is joined to a support shaft (24) arranged perpendicular to said cam plate (22) and mounted in the cutter bar (9), and the pressure member (29) is joined to a plate-shaped guide element (31) which is arranged between the cam plate (22) and the cutter bar (9) and engages behind the support shaft (24).
- Machine according to claim 1, characterised in that the cam plate (22) incorporates a circumferential surface portion (23) which extends substantially over part of a circle or in a spiral pattern and is adapted to be brought into contact with the pressure member (29).
- Machine according to claim 1 or 2, characterised in that the support shaft (24) is joined to the cam plate (22) in a manner locked against rotation.
- Machine according to any of claims 1 to 3, characterised in that the guide element (31) incorporates a slot (32) and the support shaft (24) passes through the slot (32).
- Machine according to any of claims 1 to 4, characterised in that the blade (10) has a blade holder (33) made of non-hardened metal and joined to the cutter bar (9), and a cutter plate (34) made of hardened metal and joined to the blade holder (33).
- Machine according to any of claims 1 to 5, characterised in that the cam plate (22) is made of metal and is hardened at least in the region of contact with the pressure member (29).
- Machine according to any of claims 1 to 6, characterised in that the pressure member (29) is made of metal and is hardened at least in the region of contact with the cam plate (22).
- Machine according to any of claims 1 to 7, characterised in that each respective support shaft (24) is adapted to be located in its direction of rotation and axially by means of a clamping element (37).
- Machine according to claim 8, characterised in that the support shaft (24) passes through a bore (25) in the cutter bar (9) and the support shaft (24) can be twisted and located from the operator's side of the cutting machine (1).
- Machine according to any of claims 1 to 9, characterised in that a spacer (35) is arranged between the pressure member (29) and the blade (10).
- Machine according to claim 10, characterised in that the spacer (35) is joined to the blade (10), in particular bolted to the blade (10).
- Machine according to any of claims 1 to 11, characterised in that the pressure member (29) and/or the spacer (35) are configured as right parallelepipeds.
- Machine according to any of claims 1 to 12, characterised in that the cutter bar (9) is provided with a plurality of slots (11) extending in the direction in which the blade (10) is adjusted relative to the blade holder (33), at least one threaded bore in the blade (10) being allocated to each slot (11), and a fixing screw (21) passing through this slot (11) and the threaded bore.
- Machine according to claim 12, characterised in that allocated to each slot (11) the blade (10) has a plurality of threaded bores which are spaced apart from one another in relation to the longitudinal extension of the slot (11).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19512106A DE19512106C1 (en) | 1995-04-03 | 1995-04-03 | Face cutting machine |
DE19512106 | 1995-04-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0736362A2 EP0736362A2 (en) | 1996-10-09 |
EP0736362A3 EP0736362A3 (en) | 1997-02-05 |
EP0736362B1 true EP0736362B1 (en) | 1998-11-25 |
Family
ID=7758439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96103023A Expired - Lifetime EP0736362B1 (en) | 1995-04-03 | 1996-02-29 | Guillotine-type cutter |
Country Status (6)
Country | Link |
---|---|
US (1) | US5784940A (en) |
EP (1) | EP0736362B1 (en) |
JP (1) | JPH08267395A (en) |
DE (2) | DE19512106C1 (en) |
ES (1) | ES2125069T3 (en) |
SG (1) | SG77112A1 (en) |
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DE3101911A1 (en) * | 1981-01-22 | 1982-09-02 | Karl Mohr | "DEVICE FOR CUTTING PAPER, CARDBOARD OR THE LIKE .." |
DE3614926A1 (en) * | 1986-05-02 | 1987-11-05 | Krause Biagosch Gmbh | Knife support for a papercutting machine |
US4936177A (en) * | 1986-06-19 | 1990-06-26 | Fuji Photo Film Co., Ltd. | Cutter |
US5035165A (en) * | 1990-05-29 | 1991-07-30 | Madsen Dale R | Quick slip holder for bag machine |
US5121626A (en) * | 1991-08-06 | 1992-06-16 | Caterpillar Inc. | Adjustable die support for a press brake |
SE469940B (en) * | 1992-01-14 | 1993-10-11 | Rolf Arne Larsson | Device for holding knife blades in a cylinder intended for machining a running track |
-
1995
- 1995-04-03 DE DE19512106A patent/DE19512106C1/en not_active Expired - Fee Related
-
1996
- 1996-02-29 EP EP96103023A patent/EP0736362B1/en not_active Expired - Lifetime
- 1996-02-29 ES ES96103023T patent/ES2125069T3/en not_active Expired - Lifetime
- 1996-02-29 DE DE59600854T patent/DE59600854D1/en not_active Expired - Lifetime
- 1996-03-12 US US08/615,486 patent/US5784940A/en not_active Expired - Lifetime
- 1996-03-26 SG SG1996006547A patent/SG77112A1/en unknown
- 1996-03-29 JP JP8111803A patent/JPH08267395A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0736362A3 (en) | 1997-02-05 |
US5784940A (en) | 1998-07-28 |
SG77112A1 (en) | 2000-12-19 |
JPH08267395A (en) | 1996-10-15 |
ES2125069T3 (en) | 1999-02-16 |
EP0736362A2 (en) | 1996-10-09 |
DE19512106C1 (en) | 1996-11-07 |
DE59600854D1 (en) | 1999-01-07 |
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