EP0840672B1 - Cross-cutter for a web of material, in particular of corrugated cardboard - Google Patents

Cross-cutter for a web of material, in particular of corrugated cardboard Download PDF

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Publication number
EP0840672B1
EP0840672B1 EP97922866A EP97922866A EP0840672B1 EP 0840672 B1 EP0840672 B1 EP 0840672B1 EP 97922866 A EP97922866 A EP 97922866A EP 97922866 A EP97922866 A EP 97922866A EP 0840672 B1 EP0840672 B1 EP 0840672B1
Authority
EP
European Patent Office
Prior art keywords
cutter
cross
blade
web
carrying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97922866A
Other languages
German (de)
French (fr)
Other versions
EP0840672A1 (en
Inventor
Edmund Bradatsch
Hans Mosburger
Christoph Reis
Felix Titz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BHS Corrugated Maschinen und Anlagenbau GmbH
Original Assignee
BHS Corrugated Maschinen und Anlagenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BHS Corrugated Maschinen und Anlagenbau GmbH filed Critical BHS Corrugated Maschinen und Anlagenbau GmbH
Publication of EP0840672A1 publication Critical patent/EP0840672A1/en
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Publication of EP0840672B1 publication Critical patent/EP0840672B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means
    • 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
    • B26D1/56—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 travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/62—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 travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
    • B26D1/626—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 travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • 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
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/4824—With means to cause progressive transverse cutting
    • 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
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • 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
    • Y10T83/8789—With simple revolving motion only
    • Y10T83/8796—Progressively cutting

Definitions

  • the invention relates to a cross cutter for a web, in particular corrugated cardboard, with the features of the generic term of claim 1.
  • the invention has for its object a cross cutter to create whose cutter bar is exactly in sync, despite fluctuating rotational speed, are driven, wherein minimizes the moments of inertia of all moving components are.
  • each end of a pair of knife bars from is driven by a drive motor, that of each motor power to be applied and thus its size is reduced.
  • each motor power to be applied and thus its size is reduced.
  • the moment of inertia of each drive motor is minimized. Because the meshing gear pairs on the ends of the cutter bars can no longer transmit a significant load be relatively weakly trained. The moment of inertia is also such weakly trained gears minimized.
  • the cutter bars at least partially of fiber composite material, preferably hollow, trained. This is the moment of inertia The cutter bar minimizes, reducing the performance of any engine is reduced.
  • At least a pair of gears formed free of play ensures that the cutting quality is guaranteed because the knives one after the other exactly in a cut.
  • the cross cutter 1 has vertical, stable and parallel Frame parts 2, 3, which rest on the floor 4.
  • knife bars 5, 6 In the frame parts 2, 3 there are knife bars 5, 6 via bearings 7 rotatably mounted.
  • the cutter bars 5, 6 bear in their longitudinal direction extending knife 8, which is opposite to the longitudinal axis are wounded.
  • the cutter bars 5, 6 are preferably hollow. she have stub axles 9 at their ends.
  • the cutter bars 5, 6 preferably consist predominantly of fiber composite material.
  • the stub axles 9 are made of metal.
  • a drive motor 10 is direct connected.
  • the drive motors 10 can also one coupling (not shown) with the stub axles 9 be connected.
  • the drive motors are preferably 10 electric. But they could also be hydraulic.
  • the knife bars 5, 6 arranged one above the other form one Pair of knife bars.
  • the cutter bars 5, 6 are parallel to each other arranged in the frame parts 2, 3.
  • the upper ones Gears 11 are divided.
  • the one gear part of each gear 11 is stuck on the stub axle 9 while the other Gear part is arranged radially elastically rotatable.
  • This Gears 11, 12 on each stub axle 9 mesh with one another.
  • the gear pairs are used for the mechanical drive connection the stub axles 9 of the upper and lower cutter bars 5, 6. Since they only have a very low partial load for absolutely safe Must take over synchronism, they can be relatively thin be trained.
  • the lower gears 12 shared be and in a similar way with the upper gears 11 cooperate.
  • the diameter of the cutter bars 5, 6 are determined so that their knives 8 themselves during the passage of the to be cut Cutting the web continuously point by point as it rotates touch. Because the motors 10 at each end of a cutter bar 5, 6 can only take over a reduced partial load because of their small size directly on each cutter bar 5, 6 can be arranged at both ends. This will make the Moments of inertia of the rotating masses of the drive motors and minimized the gears.
  • the cutter bar 5, 6 for the exact synchronization of the cutter bar pair can also be an electrical solution according to Fig. 2 and 3 are provided.
  • the drive motors 10 are then electrical with a synchronization and speed control 13 via the Lines 14 connected.
  • a synchronization and speed control 13 inverters are used.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Gears, Cams (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Knives (AREA)

Abstract

The cross-cutter (1) for a web of material, in particular of corrugated cardboard, has pairs of driven rotating cutter bars (5, 6) arranged one above the other in a frame, and having knives running lengthwise along the bar (8). Each cutter bar (5, 6) is connected directly to a drive motor (10) at each end (9). There is a synchronizing device (11, 12, 13) for the cutter bars (5, 6).

Description

Die Erfindung betrifft einen Querschneider für eine Warenbahn, insbesondere Wellpappenbahn, mit den Merkmalen des Oberbegriffs des Patentanspruchs 1.The invention relates to a cross cutter for a web, in particular corrugated cardboard, with the features of the generic term of claim 1.

Aus der DE 36 08 111 C1 ist ein Querschneider für Bahnmaterialien bekannt, der zwei übereinander angeordnete Messerbalken aufweist. Der obere Messerbalken ist an seinen beiden Enden jeweils von einem Elektromotor angetrieben. Die beiden Messerbalken sind mechanisch an beiden Seiten durch kämmende Zahnradpaare verbunden. Die kämmenden Zahnräder besitzen Schrägverzahnungen. Ein Zahnrad eines Zahnradpaares ist verschiebbar. Nachteilig ist, daß die Massenträgheitsmomente aller bewegten Bauteile, wie z.B. Elektromotoren, Zahnradpaare und Messerbalken, nicht minimiert sind. Es werden nur zwei Antriebsmotoren für einen Messerbalken verwendet. Diese Motoren müssen die gesamte Antriebsleistung für den Querschneider liefern. Zudem müssen die kämmenden Zahnräder unnötig stark ausgebildet sein, die somit ein hohes Massenträgheitsmoment aufweisen, weil der untere Messerbalken mit dem entsprechenden Drehmoment angetrieben werden muß.From DE 36 08 111 C1 is a cross cutter for web materials known, the two stacked cutter bars having. The upper cutter bar is at both ends each driven by an electric motor. The two Knife bars are mechanically meshed on both sides Gear pairs connected. The meshing gears have Helical gears. A gearwheel of a gearwheel pair is displaceable. The disadvantage is that the moments of inertia all moving components, e.g. Electric motors, gear pairs and cutter bars, are not minimized. There will only be two drive motors used for a cutter bar. These engines need the total drive power for the cross cutter deliver. In addition, the meshing gears have to be unnecessarily strong be formed, thus a high moment of inertia have because the lower cutter bar with the corresponding Torque must be driven.

Der Erfindung liegt die Aufgabe zugrunde, einen Querschneider zu schaffen, dessen Messerbalken exakt im Gleichlauf, trotz schwankender Umlaufgeschwindigkeit, angetrieben sind, wobei die Massenträgheitsmomente aller bewegten Bauteile minimiert sind.The invention has for its object a cross cutter to create whose cutter bar is exactly in sync, despite fluctuating rotational speed, are driven, wherein minimizes the moments of inertia of all moving components are.

Die Erfindung löst diese Aufgabe mit den kennzeichnenden Merkmalen des Patentanspruchs 1. The invention solves this problem with the characterizing features of claim 1.

Dadurch, daß jedes Ende eines Messerbalkenpaares von jeweils einem Antriebsmotor angetrieben ist, wird die von jedem Motor aufzubringende Leistung und damit seine Baugröße verringert. Auf diese Weise ist es möglich, an jedem Ende jedes Messerbalkens einen Antriebsmotor direkt antreibend vorzusehen. Außerdem wird das Massenträgheitsmoment jedes Antriebsmotors minimiert. Da die kämmenden Zahnradpaare auf den Enden der Messerbalken keine wesentliche Last mehr übertragen, können sie verhältnismäßig schwach ausgebildet werden. Das Massenträgheitsmoment auch solcher schwach ausgebildeten Zahnräder ist minimiert.In that each end of a pair of knife bars from is driven by a drive motor, that of each motor power to be applied and thus its size is reduced. In this way it is possible at each end of each cutter bar to provide a drive motor driving directly. Moreover the moment of inertia of each drive motor is minimized. Because the meshing gear pairs on the ends of the cutter bars can no longer transmit a significant load be relatively weakly trained. The moment of inertia is also such weakly trained gears minimized.

Nach einer Ausgestaltung der Erfindung sind die Messerbalken wenigstens teilweise aus Faserverbundmaterial, vorzugsweise hohl, ausgebildet. Hierdurch wird das Massenträgheitsmoment der Messerbalken minimiert, wodurch die Leistung jedes Motors verringert wird.According to one embodiment of the invention, the cutter bars at least partially of fiber composite material, preferably hollow, trained. This is the moment of inertia The cutter bar minimizes, reducing the performance of any engine is reduced.

Nach einer weiteren Ausgestaltung der Erfindung ist wenigstens ein Zahnradpaar spielfrei ausgebildet. Hierdurch wird erreicht, daß die Schnittgüte gewährleistet wird, weil die Messer nacheinander exakt punktartig in Schnitteingriff gelangen.According to a further embodiment of the invention, at least a pair of gears formed free of play. This ensures that the cutting quality is guaranteed because the knives one after the other exactly in a cut.

Weitere Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Further refinements of the invention result from the Subclaims.

Die Erfindung wird nachfolgend anhand von in der Zeichnung dargestellten Ausführungsbeispielen näher erläutert. In der Zeichnung zeigen:

Fig. 1
einen schematischen vertikalen Schnitt eines Querschneiders für eine Warenbahn, vorzugsweise für eine fortlaufende Wellpappenbahn;
Fig. 2
ein elektrisches Blockschaltbild für eine Steuerung des Querschneiderantriebs für Gleichlauf, Umlaufgeschwindigkeit und/oder Drehzahl;
Fig. 3
ein Blockschaltbild einer geänderten Ausführung.
The invention is explained in more detail below with reference to exemplary embodiments shown in the drawing. The drawing shows:
Fig. 1
a schematic vertical section of a cross cutter for a web, preferably for a continuous corrugated cardboard web;
Fig. 2
an electrical block diagram for a control of the cross cutter drive for synchronism, rotational speed and / or speed;
Fig. 3
a block diagram of a modified version.

Der Querschneider 1 besitzt vertikale, stabile und parallele Gestellteile 2, 3, die auf dem Boden 4 aufruhen.The cross cutter 1 has vertical, stable and parallel Frame parts 2, 3, which rest on the floor 4.

In den Gestellteilen 2, 3 sind Messerbalken 5, 6 über Lager 7 drehbar gelagert. Die Messerbalken 5, 6 tragen in ihrer Längsrichtung verlaufende Messer 8, die gegenüber der Längsachse verwunden sind.In the frame parts 2, 3 there are knife bars 5, 6 via bearings 7 rotatably mounted. The cutter bars 5, 6 bear in their longitudinal direction extending knife 8, which is opposite to the longitudinal axis are wounded.

Vorzugsweise sind die Messerbalken 5, 6 hohl ausgebildet. Sie besitzen an ihren Enden Achsstummeln 9. Die Messerbalken 5, 6 bestehen vorzugsweise überwiegend aus Faserverbundmaterial. Die Achsstummeln 9 sind aus Metall.The cutter bars 5, 6 are preferably hollow. she have stub axles 9 at their ends. The cutter bars 5, 6 preferably consist predominantly of fiber composite material. The stub axles 9 are made of metal.

Mit den Achsstummeln 9 ist jeweils ein Antriebsmotor 10 direkt verbunden. Die Antriebsmotoren 10 können jedoch auch über jeweils eine (nicht dargestellte) Kupplung mit den Achsstummeln 9 verbunden sein. Vorzugsweise sind die Antriebsmotoren 10 elektrisch. Sie könnten aber auch hydraulisch sein.With the stub axles 9, a drive motor 10 is direct connected. However, the drive motors 10 can also one coupling (not shown) with the stub axles 9 be connected. The drive motors are preferably 10 electric. But they could also be hydraulic.

Die übereinander angeordneten Messerbalken 5, 6 bilden ein Messerbalkenpaar. Die Messerbalken 5, 6 sind parallel zueinander in den Gestellteilen 2, 3 angeordnet.The knife bars 5, 6 arranged one above the other form one Pair of knife bars. The cutter bars 5, 6 are parallel to each other arranged in the frame parts 2, 3.

Auf den Achsstummeln 9 sitzen Zahnräder 11, 12. Die oberen Zahnräder 11 sind geteilt. Das eine Zahnradteil jedes Zahnrades 11 sitzt auf dem Achsstummel 9 fest, während das andere Zahnradteil radial elastisch verdrehbar angeordnet ist. Diese Zahnräder 11, 12 auf jedem Achsstummel 9 kämmen miteinander. Die Zahnradpaare dienen zur mechanischen Antriebsverbindung der Achsstummeln 9 des oberen und unteren Messerbalkens 5, 6. Da sie nur eine ganz geringe Teillast zum absolut sicheren Gleichlauf übernehmen müssen, können sie verhältnismäßig dünn ausgebildet sein. Anstelle der oberen Zahnräder 11 können jedoch selbstverständlich auch die unteren Zahnräder 12 geteilt sein und in entsprechender Weise mit den oberen Zahnrädern 11 zusammenwirken.On the stub axles 9 are gears 11, 12. The upper ones Gears 11 are divided. The one gear part of each gear 11 is stuck on the stub axle 9 while the other Gear part is arranged radially elastically rotatable. This Gears 11, 12 on each stub axle 9 mesh with one another. The gear pairs are used for the mechanical drive connection the stub axles 9 of the upper and lower cutter bars 5, 6. Since they only have a very low partial load for absolutely safe Must take over synchronism, they can be relatively thin be trained. Instead of the upper gears 11 can however, of course, the lower gears 12 shared be and in a similar way with the upper gears 11 cooperate.

Die Durchmesser der Messerbalken 5, 6 sind so bestimmt, daß ihre Messer 8 sich beim Durchlauf der quer zu schneidenden Warenbahn bei ihrer Drehung fortlaufend punktweise schneidend berühren. Da die Motoren 10 an jedem Ende eines Messerbalkens 5, 6 nur eine verringerte Teillast zu übernehmen haben, können sie wegen ihrer geringen Baugröße direkt an jedem Messerbalken 5, 6 zu beiden Enden angeordnet werden. Hierdurch werden die Trägheitsmomente der rotierenden Massen der Antriebsmotoren und der Zahnräder minimiert.The diameter of the cutter bars 5, 6 are determined so that their knives 8 themselves during the passage of the to be cut Cutting the web continuously point by point as it rotates touch. Because the motors 10 at each end of a cutter bar 5, 6 can only take over a reduced partial load because of their small size directly on each cutter bar 5, 6 can be arranged at both ends. This will make the Moments of inertia of the rotating masses of the drive motors and minimized the gears.

Statt der mechanischen Antriebsverbindung der Achsstummeln 9 der Messerbalken 5, 6 für den exakten Gleichlauf des Messerbalkenpaars kann auch eine elektrische Lösung nach Fig. 2 und 3 vorgesehen werden. Die Antriebsmotoren 10 sind dann elektrisch mit einer Gleichlauf- und Drehzahlsteuerung 13 über die Leitungen 14 verbunden. Für diese Gleichlauf- und/oder Drehzahlsteuerung 13 finden Umrichter Verwendung. Es kann nur eine einzige Steuerung 13, wie in Fig. 2, oder zwei, wie in Fig. 3, verwendet werden. Es ist eine Steuerung der Motoren 10, wie dargestellt, paarweise übereinander möglich. Es könnten auch die Motoren 10 paarweise nebeneinander gesteuert werden. Schließlich ist auch eine Einzelsteuerung der Motoren 10 denkbar.Instead of the mechanical drive connection of the stub axles 9 the cutter bar 5, 6 for the exact synchronization of the cutter bar pair can also be an electrical solution according to Fig. 2 and 3 are provided. The drive motors 10 are then electrical with a synchronization and speed control 13 via the Lines 14 connected. For this synchronization and / or speed control 13 inverters are used. There can only be one only controller 13, as in FIG. 2, or two, as in FIG. 3, be used. It is a control of the motors 10 like shown, possible in pairs one above the other. It could also the motors 10 are controlled in pairs side by side. Finally, individual control of the motors 10 is also conceivable.

Claims (4)

  1. Cross-cutter (1) for a web of material, in particular a web of corrugated cardboard,
    the said cross-cutter having rotatably driven blade-carrying rails (5, 6) mounted in a stand (2, 3) and having blades (8) extending in the longitudinal direction of the said blade-carrying rails,
    driving motors (10) for the blade-carrying rails, and
    a synchronising arrangement for the blade-carrying rails,
    characterised in that
    each blade-carrying rail (5, 6) is connected, at each end (9), to a driving motor (10) in each case.
  2. Cross-cutter according to claim 1, characterised in that each blade-carrying rail (5, 6) consists, at least partially, of fibre composite material.
  3. Cross-cutter according to claims 1 or 2, characterised in that the shaft ends (9) of the blade-carrying rails (5, 6) are connected via gearwheels (11, 12) which mesh in pairs and of which one gearwheel (11) of a pair of gearwheels is divided, one part of the gearwheel being disposed so as to be elastically twistable radially in relation to the other.
  4. Cross-cutter according to one or more of the preceding claims, characterised in that the driving motors are connected to an electrical control system (15) for the synchronism and/or the rotational speed.
EP97922866A 1996-05-22 1997-04-25 Cross-cutter for a web of material, in particular of corrugated cardboard Expired - Lifetime EP0840672B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19620663A DE19620663A1 (en) 1996-05-22 1996-05-22 Sheeter for a web, in particular corrugated board
DE19620663 1996-05-22
PCT/DE1997/000841 WO1997044167A1 (en) 1996-05-22 1997-04-25 Cross-cutter for a web of material, in particular of corrugated cardboard

Publications (2)

Publication Number Publication Date
EP0840672A1 EP0840672A1 (en) 1998-05-13
EP0840672B1 true EP0840672B1 (en) 2000-03-08

Family

ID=7795052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97922866A Expired - Lifetime EP0840672B1 (en) 1996-05-22 1997-04-25 Cross-cutter for a web of material, in particular of corrugated cardboard

Country Status (6)

Country Link
US (1) US6142048A (en)
EP (1) EP0840672B1 (en)
JP (1) JP4041540B2 (en)
DE (2) DE19620663A1 (en)
ES (1) ES2146095T3 (en)
WO (1) WO1997044167A1 (en)

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EP0840672A1 (en) 1998-05-13
JP4041540B2 (en) 2008-01-30
WO1997044167A1 (en) 1997-11-27
JPH11509786A (en) 1999-08-31
US6142048A (en) 2000-11-07
ES2146095T3 (en) 2000-07-16
DE19620663A1 (en) 1997-11-27
DE59701212D1 (en) 2000-04-13

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