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EP1655118A1 - Flexible cutting die for a cutting cylinder - Google Patents

Flexible cutting die for a cutting cylinder Download PDF

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Publication number
EP1655118A1
EP1655118A1 EP05026535A EP05026535A EP1655118A1 EP 1655118 A1 EP1655118 A1 EP 1655118A1 EP 05026535 A EP05026535 A EP 05026535A EP 05026535 A EP05026535 A EP 05026535A EP 1655118 A1 EP1655118 A1 EP 1655118A1
Authority
EP
European Patent Office
Prior art keywords
knife
foil
holding
roller
knife roller
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.)
Granted
Application number
EP05026535A
Other languages
German (de)
French (fr)
Other versions
EP1655118B1 (en
Inventor
Siegried Fuchs
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.)
Winkler and Duennebier GmbH
Original Assignee
Winkler and Duennebier 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
Family has litigation
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Application filed by Winkler and Duennebier GmbH filed Critical Winkler and Duennebier GmbH
Publication of EP1655118A1 publication Critical patent/EP1655118A1/en
Application granted granted Critical
Publication of EP1655118B1 publication Critical patent/EP1655118B1/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
    • 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
    • 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
    • B26D7/2614—Means for mounting the cutting member
    • 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
    • B26D2007/2607—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member for mounting die cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B26F1/42—Cutting-out; Stamping-out using a press, e.g. of the ram type having a pressure roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2170/00—Construction of flexible containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/82—Forming or attaching windows
    • B31B70/83—Cutting window openings
    • 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
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • Y10T83/207—By suction means
    • 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
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type
    • 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
    • Y10T83/9459—Magnetic connection
    • 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
    • Y10T83/9464—For rotary tool
    • Y10T83/9469—Adjustable
    • 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
    • Y10T83/9464—For rotary tool
    • Y10T83/9469—Adjustable
    • Y10T83/9471—Rectilinearly

Definitions

  • the invention relates to a knife roller according to the preamble of claim 1.
  • Such a knife roller is known from DE 33 020 038 of the same applicant. It is used to cut out window openings in blanks of window envelopes.
  • a foil knife is clamped on the type of a printing plate on a punching roller and held purely mechanically.
  • the folded at its ends foil knife is mounted on its leading edge on a support member and clamped at its trailing end by means of holding and clamping elements and stretched.
  • These knives must always have a certain length between their fasteners and require precisely executed bends.
  • the clamping or changing a foil knife has a considerable amount of time.
  • foil knife is in this case set with a bent, front end by means of a terminal strip in a roll slot, while the remaining part of the foil knife is held by magnetic force on the periphery of a cup-shaped knife cylinder.
  • the production of roll slot and terminal strip as well as the fold of the foil knife require a high precision and workload.
  • the terminal strip must always be installed and removed with a blade change.
  • EP 0 312 422 B1 discloses a rotary cutting device in which a foil cutter for punching out window openings is held only by magnetic force on the periphery of a cup-shaped knife cylinder.
  • the invention has for its object to make a knife roller, especially for the production of envelopes, so that arranged on their roll shell foil knife to change quickly and can be positioned and secured with sufficient accuracy.
  • the foil knives are quick and easy to change and position on the knife roller.
  • the foil blades are positively held by the engagement of the holding and positioning pins in the slots of the base plate and by magnetic holding forces on the peripheral surface of the knife roller.
  • the foil knife is axially parallel on the knife roller slidably. In conjunction with a slightly asymmetrical arrangement of the holding and positioning pins on a bar a variable axis-parallel positioning of the foil cutter is possible.
  • Another advantage is also that in the inventive knife roller and conventional foil knife, as described in the parallel application DE 198 41 834.5, can be used with angled bevelled leading ends and with adapted terminal strips.
  • a cutting station 1 for window envelopes comprises a knife roller 2 and a stationary cutting strip 3 serving as a counter-tool, between which a series of envelope blanks 4 or a letter envelope web is passed and processed.
  • the cutting bar 3 is clamped with a bar 6 mounted in a carrier 5 and along with this to the knife roller 2 back and away from this movable.
  • the cutting station 1a according to FIG. 2 has a rotating counter-roller 3a as a counter-tool to the knife roller 2, between which a series of envelope blanks 4 or a letter envelope web is passed and processed.
  • the counter-roller 3a is mounted in a carrier, not shown, and is movable together with this to the knife roller 2 and away from it.
  • a letter envelope blank 4 coming from a straight-line transport path is gripped by the knife roller 2 and guided along a circular path under the counter-tool, cutting bar 3 or counter-roller 3a, whereby a window opening 8 'is cut out.
  • the knife roller 2 (FIGS. 4 and 5) has at its circumference 9 a plurality of suction openings 11 arranged in rows 10.
  • the letter envelope blank 4 is held on the knife roller 2 via a suction and transport angle range a by means of suction air and then transferred to a roller 12.
  • the piece of material 8 is held by means of suction in the window knife peripheral and discharged into a suction funnel 13 after a suction and transport angle range ⁇ .
  • Fig. 3 shows the knife roller 2, their storage and their essential parts in section, but without a foil knife and without serving for attaching and aligning a foil knife parts.
  • the knife roller 2 comprises a support shaft 14, which is mounted by means of ball bearings 15 in machine frames 16,18 and driven by a gear 17. Between the machine frames 16,18 a cylindrical roller body member 19 is rotatably mounted on the support shaft 14, on the circumference 20 of the suction openings 11 are arranged. In the roller body part 19, suction channels 21 are arranged parallel to the axis at a distance d from the axis of rotation 2 'of the knife roller 2 and are in air-conducting communication with the suction openings 11. On the front side on the roller body part 19, a suction air control valve 31 is arranged, which is mounted non-rotatably on the frame wall 18 by means of a spacer and centering bushing 32.
  • the Saug povertymaschineventil 31 has two separate, concentrically arranged Saugluftkanäle 39,40, which fresh air ducts 36,37 are arranged downstream.
  • the Saug povertykanäle 39,40 are connected via a Saug povertyzu operation 38 with a suction air source, not shown.
  • the suction air ducts 21 can be acted upon with suction air via the intake and transport angle range a or ⁇ .
  • a 3/3-way valve 41 in Roll body part 19 assigned. With a 3/3-way valve, a suction channel 21 is shut off or via the through hole 42 and 43 with the Saugluft horrkanal 39 and 40 connectable.
  • the Saug povertymaschineung including the 3/3-way valves is the subject of the parallel German application 198 41 834.5 of the same applicant.
  • the Saugluftkanälen 39 bzs. 40 is ever downstream of a fresh air duct 36 and 37, from where a reduction of the negative pressure in the suction channels 21 and the suction openings 11 takes place.
  • a foil knife 24 has a thin base plate 61 of magnetically permeable material having a thickness d 1 , and front and rear edges 62, 63 and side edges 64, 65. On the base plate 61 at least one integrally formed sharp cutting edge 28 is arranged, which forms a specific cutting shape.
  • the cutting edge 28 is designed to cut a window opening 8 'in a letter envelope blank 4, apertures 75 are arranged, which are in air-conducting connection with suction holes 11.
  • slots 68 are made in the base plate 61.
  • the slots 68 are arranged in alignment and have a width b, a length d 5 and a distance d 6 with each other.
  • the slots 68, the cutting edge 28 and also the front edge 62 have a predetermined fixed positional relationship to each other.
  • At least one row 76 holding and positioning pins 66 is arranged, which protrude radially with a height h from the peripheral surface 20, which corresponds approximately to the thickness d t of the base plate 61.
  • the holding and positioning pins 66 have a width b 1 and a distance d 2 with each other.
  • the width b 1 is dimensioned so that it corresponds to the slot width b.
  • a foil cutter 24 on the roll body part 19 this is hooked to the holding and positioning pin 66, so that the holding and positioning pins 66 protrude into the slots 68.
  • the foil cutter 24 is axially displaceable in the region of the slot length d 5 . Greater axial variations are achievable by translating the foil knife 24 in the row 74 of the retaining and locating pins 66.
  • the foil knife 24 is positively fixed by means of the holding and positioning pins 66 in the circumferential direction and by means of the magnetic elements frictionally on the roll body part, so that even with difficult cutting conditions, a displacement of the film knife 24 on the peripheral surface 20 does not take place.
  • FIGS. 8-10 some shape variants of the holding and positioning pins 66 are shown.
  • the holding and Positionicrzapfen 66 are integrally formed on a strip 27, the pseudo-accurate in an axis-parallel channel 25 of the roller body part 19 is arranged and fixed there by means of fastening elements 69.
  • widening recesses 70 are formed, open into the approximately radially aligned thread, are screwed into the clamping screws 71, which press with their heads 72 on the end of the strips 27 integrally formed shoulder surfaces 73 and thus set the bar 27 in the channel 25.
  • the holding and positioning pins 66 to each other equal distances d 2 , to the shoulder surfaces 73, however, different end distances d 3 and d 4th
  • d 4 is larger by d 2/2 than d 3 .
  • the bar 27 is turnable in the channel 25 by 180 °.
  • a plurality of channels 25 are arranged distributed on the peripheral surface 20, in which, depending on Demand, depending on the number and size of the foil knife 2, strips 27 or only patches are arranged.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Making Paper Articles (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Fixing For Electrophotography (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Details Of Cutting Devices (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Abstract

The rotating knife (2) has a rotating shaft (14) and the rolling body part (19) has a row-shaped magnet (60) in its edge surface. The edge has at least one film knife (24) with a thin, flexible base plate (61) made from a magnetically permeable material, with at least one single piece sharp cutting edge (28).

Description

Die Erfindung bezieht sich auf eine Messerwalze nach dem Oberbegriff von Anspruch 1.The invention relates to a knife roller according to the preamble of claim 1.

Eine derartige Messerwalze ist aus DE 33 020 038 des gleichen Anmelders bekannt. Sie dient zum Ausschneiden von Fensteröffnungen in Rohlingen von Fensterbriefhüllen. Bei dieser Messerwalze wird ein Folienmesser nach der Art eines Druckklischees auf einer Stanzwalze aufgespannt und rein mechanisch gehalten. Das an seinen Enden abgekantete Folienmesser ist an seiner vorlaufenden Kante an einem Trägerteil eingehangen und an seinem nachlaufenden Ende mittels Halte- und Spannelementen geklemmt und gespannt. Diese Messer müssen immer eine bestimmte Länge zwischen ihren Befestigungselementen aufweisen und erfordern präzise ausgeführte Abkantungen. Zudem hat das Aufspannen bzw. das Wechseln eines Folienmessers einen erheblichen Zeitaufwand zur Folge.Such a knife roller is known from DE 33 020 038 of the same applicant. It is used to cut out window openings in blanks of window envelopes. In this knife roller a foil knife is clamped on the type of a printing plate on a punching roller and held purely mechanically. The folded at its ends foil knife is mounted on its leading edge on a support member and clamped at its trailing end by means of holding and clamping elements and stretched. These knives must always have a certain length between their fasteners and require precisely executed bends. In addition, the clamping or changing a foil knife has a considerable amount of time.

Nach der DE 198 41 8345 des gleichen Anmelders ist ebenfalls bekannt, Folienmesser auf einer Messerwalze anzuordnen. Das Folienmesser wird hierbei mit einem abgekanteten, vorderen Ende mit Hilfe einer Klemmleiste in einem Walzenschlitz festgelegt, während der restliche Teil des Folienmessers mittels Magnetkraft auf der Peripherie eines schalenförmig aufgebauten Messerzylinders gehalten ist. Die Fertigung von Walzenschlitz und Klemmleiste sowie die Abkantung des Folienmessers verlangen eine hohe Präzission und Arbeitsaufwand. Zudem muß bei einem Messerwechsel stets die Klemmleiste ein- und ausgebaut werden.According to DE 198 41 8345 of the same applicant is also known to arrange foil knife on a knife roller. The foil knife is in this case set with a bent, front end by means of a terminal strip in a roll slot, while the remaining part of the foil knife is held by magnetic force on the periphery of a cup-shaped knife cylinder. The production of roll slot and terminal strip as well as the fold of the foil knife require a high precision and workload. In addition, the terminal strip must always be installed and removed with a blade change.

In der EP 0 312 422 B1 ist eine rotierende Schneidvorrichtung offenbart, bei der ein Folienmesser zum Ausstanzen von Fensteröffnungen nur mittels Magnetkraft auf der Peripherie eines schalenartig aufgebauten Messerzylinders gehalten ist.EP 0 312 422 B1 discloses a rotary cutting device in which a foil cutter for punching out window openings is held only by magnetic force on the periphery of a cup-shaped knife cylinder.

Zum Positionieren eines Folienmessers auf dem Messerzylinder wird die vorlaufende Kante des Folienmessers an einer leicht aus der Zylinderperipherie herausragenden Leiste angeschlagen und ausgerichtet. Diese Schneidvorrichtung erlaubt wohl eine schnelle Positionierung und Festlegung eines Folienmessers auf dem Messerzylinder, hat aber den Nachteil, daß sich das Folienmesser bei ungünstigen Schneidbedingungen auf dem Messerzylinder verschieben kann, im schlimmsten Fall sogar zerstört wird. So ist mit dieser Messerwalze nur ein Schneiden gegen eine mitlaufende Gegenwalze möglich, nicht aber ein Schneiden gegen eine stationäre Gegenleiste.To position a foil knife on the knife cylinder, the leading edge of the foil knife is struck and aligned on a protruding slightly from the cylinder periphery bar. This cutting device probably allows a fast positioning and fixing a foil knife on the knife cylinder, but has the disadvantage that the foil knife can move in unfavorable cutting conditions on the knife cylinder, in the worst case, even destroyed. Thus, with this knife roller only a cutting against a revolving counter-roller is possible, but not a cutting against a stationary counter-bar.

Der Erfindung liegt die Aufgabe zugrunde, eine Messerwalze, insbesondere für die Herstellung von Briefhüllen, so zu gestalten, daß auf ihrem Walzenmantel angeordnete Folienmesser schnell zu wechseln und mit ausreichender Genauigkeit positionier- und festlegbar sind.The invention has for its object to make a knife roller, especially for the production of envelopes, so that arranged on their roll shell foil knife to change quickly and can be positioned and secured with sufficient accuracy.

Die Aufgabe ist erfindungsgemäß gelöst durch die Merkmale des kennzeichnenden Teiles von Anspruch 1. Weitere Merkmale der Erfindung gehen aus den Unteransprüchen in Zusammenhang mit der Beschreibung und Zeichnung hervor.The object is achieved by the features of the characterizing part of claim 1. Further features of the invention will become apparent from the dependent claims in conjunction with the description and drawings.

Die mit der Erfindung enielten Vorteile sind insbesondere darin zu sehen, daß die Folienmesser schnell und komfortabel auf der Messerwalze zu wechseln und zu positionieren sind. Hierbei sind die Folienmesser durch das Eingreifen der Halte- und Positionierzapfen in die Schlitze der Basisplatte formschlüssig und durch magnetische Haltekräfte kraftschlüssig auf der Umfangsfläche der Messerwalze gehalten. Vorteilhaft ist auch, daß während dem Einfädeln der Halte- und Positionierzapfen in die Schlitze das Folienmesser achsparallel auf der Messerwalze verschiebbar ist. In Verbindung mit einer leicht asymmetrischen Anordnung der Halte- und Positionierzapfen auf einer Leiste ist eine variable achsparallele Positionierung des Folienmessers möglich. Ein weiterer Vorteil ist auch, daß sich bei der erfinderischen Messerwalze auch herkömmliche Folienmesser, wie in der parallelen Anmeldung DE 198 41 834.5 beschrieben, mit winklig abgekanteten vorlaufenden Enden und mit dafür angepaßten Klemmleisten einsetzen lassen.The advantages entailed by the invention are to be seen in particular in the fact that the foil knives are quick and easy to change and position on the knife roller. Here, the foil blades are positively held by the engagement of the holding and positioning pins in the slots of the base plate and by magnetic holding forces on the peripheral surface of the knife roller. It is also advantageous that during the threading of the holding and positioning pins in the slots, the foil knife is axially parallel on the knife roller slidably. In conjunction with a slightly asymmetrical arrangement of the holding and positioning pins on a bar a variable axis-parallel positioning of the foil cutter is possible. Another advantage is also that in the inventive knife roller and conventional foil knife, as described in the parallel application DE 198 41 834.5, can be used with angled bevelled leading ends and with adapted terminal strips.

Die Erfindung wird nachstehend anhand von Ausführungsbeispielen, die in der Zeichnung dargestellt sind, näher beschrieben. Dabei zeigen:

Fig. 1
eine Prinzipskizze einer Schneidstation mit einer Messerwalze und einem stationärenGegenwerkzeug
Fig. 2
eine Prinzipskizze einer Schneidstation mit einer Messerwalze und einer rotierenden Gegenwalze
Fig. 3
im Schnitt wesentliche Teile der Messerwalze und ihre Lagerung
Fig. 4
Teilschnitt des Walzenkörperteiles der Messerwalze mit Folienmesser
Fig. 5
eine Abwicklung des Walzenkörperteiles mit Folienmesser und Briefhüllenrohling
Fig. 6
Seitenansicht einer Leiste
Fig. 7
vergrößerter Ausschnitt einer Leiste
Fig. 8
Variante eines Halte- und Positionierzapfens
Fig. 9
Variante eines Halte- und Positionierzapfens
Fig. 10
Variante eines Halte- und Positionierzapfens
Fig. 11
Befestigung der Leiste
The invention will be described in more detail below with reference to embodiments shown in the drawing. Showing:
Fig. 1
a schematic diagram of a cutting station with a knife roller and a stationary counter tool
Fig. 2
a schematic diagram of a cutting station with a knife roller and a rotating mating roll
Fig. 3
on average essential parts of the knife roller and their storage
Fig. 4
Partial section of the roller body part of the knife roller with foil knife
Fig. 5
a settlement of the roll body part with foil knife and letter envelope blank
Fig. 6
Side view of a bar
Fig. 7
enlarged section of a bar
Fig. 8
Variant of a holding and positioning pin
Fig. 9
Variant of a holding and positioning pin
Fig. 10
Variant of a holding and positioning pin
Fig. 11
Attachment of the bar

Gemäß dem in der Fig. 1 dargestellten Ausführungsbeispiel umfaßt eine Schneidstation 1 für Fensterbriefhüllen eine Messerwalze 2 und eine als Gegenwerkzeug dienende stationäre Schneidleiste 3, zwischen denen eine Folge von Briefhüllenrohlingen 4 oder eine Briefhüllenbahn hindurchgeführt und bearbeitet wird. Die Schneidleiste 3 ist mit einer Leiste 6 geklemmt in einem Träger 5 gelagert und zusammen mit diesem zur Messerwalze 2 hin- und von dieser weg bewegbar.According to the embodiment shown in FIG. 1, a cutting station 1 for window envelopes comprises a knife roller 2 and a stationary cutting strip 3 serving as a counter-tool, between which a series of envelope blanks 4 or a letter envelope web is passed and processed. The cutting bar 3 is clamped with a bar 6 mounted in a carrier 5 and along with this to the knife roller 2 back and away from this movable.

Die Schneidstation 1a gemäß Fig. 2 weist eine rotierende Gegenwalze 3a als Gegenwerkzeug zur Messerwalze 2 auf, zwischen denen eine Folge von Briefhüllenrohlingen 4 oder eine Briefhüllenbahn hindurchgeführt und bearbeitet wird. Die Gegenwalze 3a ist in einem nicht gezeigten Träger gelagert und ist gemeinsam mit diesem zur Messerwalze 2 hin- und von dieser weg bewegbar.The cutting station 1a according to FIG. 2 has a rotating counter-roller 3a as a counter-tool to the knife roller 2, between which a series of envelope blanks 4 or a letter envelope web is passed and processed. The counter-roller 3a is mounted in a carrier, not shown, and is movable together with this to the knife roller 2 and away from it.

Ein von einer geradlinigen Transportbahn kommender Briefhüllenrohling 4 wird von der Messerwalze 2 ergriffen und längs einer Kreisbahn unter dem Gegenwerkzeug, Schneidleiste 3 oder Gegenwalze 3a, hindurchgeführt, wobei eine Fensteröffnung 8' ausgeschnitten wird. Zur Übernahme und zum Transport eines Briefhüllenrohlings 4 und eines aus einer Fensteröffnung 8' ausgeschnittenen Fensterausschnittes bzw. Materialstückes 8, weist die Messerwalze 2 (Fig. 4 und 5) an ihrem Umfang 9 eine Vielzahl von in Reihen 10 angeordneten Saugöffnungen 11 auf. Der Briefhüllenrohling 4 wird über einen Ansaug- und Transportwinkelbereich a mittels Saugluft auf der Messerwalze 2 gehalten und sodann an eine Walze 12 übergeben. Das Materialstück 8 wird mittels Saugluft in der Fenstermesserperipherie gehalten und nach einem Ansaug- und Transportwinkelbereich β in einen Absaugtrichter 13 abgegeben.A letter envelope blank 4 coming from a straight-line transport path is gripped by the knife roller 2 and guided along a circular path under the counter-tool, cutting bar 3 or counter-roller 3a, whereby a window opening 8 'is cut out. To take over and transport a letter envelope blank 4 and a window opening or piece of material 8 cut out of a window opening 8 ', the knife roller 2 (FIGS. 4 and 5) has at its circumference 9 a plurality of suction openings 11 arranged in rows 10. The letter envelope blank 4 is held on the knife roller 2 via a suction and transport angle range a by means of suction air and then transferred to a roller 12. The piece of material 8 is held by means of suction in the window knife peripheral and discharged into a suction funnel 13 after a suction and transport angle range β.

Die Fig. 3 zeigt die Messerwalze 2, ihre Lagerung sowie ihre wesentlichen Teile im Schnitt, jedoch ohne Folienmesser und ohne die zum Befestigen und Ausrichten eines Folienmessers dienenden Teile.Fig. 3 shows the knife roller 2, their storage and their essential parts in section, but without a foil knife and without serving for attaching and aligning a foil knife parts.

Die Messerwalze 2 umfaßt eine Trägerwelle 14, die mit Hilfe von Kugellagern 15 in Maschinengestellen 16,18 gelagert und mittels eines Zahnrades 17 antreibbar ist. Zwischen den Maschinengestellen 16,18 ist ein zylindrisches Walzenkörperteil 19 auf der Trägerwelle 14 drehfest gelagert, an dessen Umfang 20 die Saugöffnungen 11 angeordnet sind. Im Walzenkörperteil 19 sind im Abstand d von der Rotationsachse 2' der Messerwalze 2 Saugkanäle 21 achsparallel angeordnet, die mit den Saugöffnungen 11 in luftleitender Verbindung stehen. Stirnseitig am Walzenkörperteil 19 ist ein Saugluftsteuerventil 31 angeordnet, das mittels einer Distanz- und Zentrierbuchse 32 drehfest an der Gestellwand 18 gelagert ist. Das Saugluftsteuerventil 31 weist zwei separate, konzentrisch angeordnete Saugluftkanäle 39,40 auf, denen Frischluftkanäle 36,37 nachgeordnet sind. Die Saugluftkanäle 39,40 sind via einer Saugluftzuführung 38 mit einer nicht gezeigten Saugluftquelle verbunden. Vom Saugluftkanal 39 bzw. 40 aus sind die Saugluftkanäle 21 über den Ansaug- und Transportwinkelbereich a bzw. β mit Saugluft beaufschlagbar. Zum Saugluftsteuerventil 31 hin ist jedem Saugkanal 21 ein 3/3-Wegeventil 41 im Walzenkörperteil 19 zugeordnet. Mit einem 3/3-Wegeventil ist ein Saugkanal 21 absperrbar oder über die Durchgangsbohrung 42 bzw. 43 mit dem Saugluftsteuerkanal 39 bzw. 40 verbindbar. Die Saugluftsteuerung inklusive der 3/3-Wegeventile ist Gegenstand der parallelen deutschen Anmeldung 198 41 834.5 des gleichen Anmelders. Den Saugluftkanälen 39 bzs. 40 ist je ein Frischluftkanal 36 bzw 37 nachgeordnet, von wo aus ein Abbau des Unterdruckes in den Saugkanälen 21 und den Saugöffnungen 11 erfolgt.The knife roller 2 comprises a support shaft 14, which is mounted by means of ball bearings 15 in machine frames 16,18 and driven by a gear 17. Between the machine frames 16,18 a cylindrical roller body member 19 is rotatably mounted on the support shaft 14, on the circumference 20 of the suction openings 11 are arranged. In the roller body part 19, suction channels 21 are arranged parallel to the axis at a distance d from the axis of rotation 2 'of the knife roller 2 and are in air-conducting communication with the suction openings 11. On the front side on the roller body part 19, a suction air control valve 31 is arranged, which is mounted non-rotatably on the frame wall 18 by means of a spacer and centering bushing 32. The Saugluftsteuerventil 31 has two separate, concentrically arranged Saugluftkanäle 39,40, which fresh air ducts 36,37 are arranged downstream. The Saugluftkanäle 39,40 are connected via a Saugluftzuführung 38 with a suction air source, not shown. From the suction air duct 39 or 40, the suction air ducts 21 can be acted upon with suction air via the intake and transport angle range a or β. For Saugluftsteuerventil 31 toward each suction channel 21, a 3/3-way valve 41 in Roll body part 19 assigned. With a 3/3-way valve, a suction channel 21 is shut off or via the through hole 42 and 43 with the Saugluftsteuerkanal 39 and 40 connectable. The Saugluftsteuerung including the 3/3-way valves is the subject of the parallel German application 198 41 834.5 of the same applicant. The Saugluftkanälen 39 bzs. 40 is ever downstream of a fresh air duct 36 and 37, from where a reduction of the negative pressure in the suction channels 21 and the suction openings 11 takes place.

In den Fig. 4 und 5 ist die Anordnung und Befestigung eines Folienmessers 24 auf dem Walzenkörperteil 19 einer in einer Drehrichtung 23 umlaufenden Messerwalze 2 gezeigt. Ein Folienmesser 24 weist eine dünne Basisplatte 61 aus magnetisch permeablen Material mit einer Dicke d1 auf, sowie eine Vorder- und eine Hinterkante 62,63 und Seitenkanten 64,65. Auf der Basisplatte 61 ist mindestens eine einstückig ausgebildete scharfe Schneidkante 28 angeordnet, die eine bestimmte Schneidform bildet. Im Folienmesser 24, dessen Schneidkante 28 zum Ausschneiden einer Fensteröffnung 8' in einem Briefhüllenrohling 4 ausgebildet ist, sind Durchbrüche 75 angeordnet, die mit Saugbohrungen 11 in luftleitender Verbindung stehen. In Umlaufrichtung 23 der Messerwalze 2 gesehen, in einem an die vordere Kante 62 angrenzenden Bereich 67, sind Schlitze 68 in die Basisplatte 61 eingebracht. Die Schlitze 68 sind in einer Flucht angeordnet und weisen eine Breite b, eine Länge d5 und einen Abstand d6 untereinander auf. Die Schlitze 68, die Schneidkante 28 und auch die Vorderkante 62 weisen eine vorbestimmte fixe Lagebeziehung zueinander auf.4 and 5, the arrangement and attachment of a film knife 24 on the roll body part 19 of a rotating in a direction of rotation 23 knife roller 2 is shown. A foil knife 24 has a thin base plate 61 of magnetically permeable material having a thickness d 1 , and front and rear edges 62, 63 and side edges 64, 65. On the base plate 61 at least one integrally formed sharp cutting edge 28 is arranged, which forms a specific cutting shape. In the foil knife 24, the cutting edge 28 is designed to cut a window opening 8 'in a letter envelope blank 4, apertures 75 are arranged, which are in air-conducting connection with suction holes 11. Viewed in the direction of rotation 23 of the knife roller 2, in a region 67 adjacent to the front edge 62, slots 68 are made in the base plate 61. The slots 68 are arranged in alignment and have a width b, a length d 5 and a distance d 6 with each other. The slots 68, the cutting edge 28 and also the front edge 62 have a predetermined fixed positional relationship to each other.

Auf der Umfangsfläche 20 des Walzenkörperteils 19 ist mindestens eine Reihe 76 Halte- und Positionierzapfen 66 angeordnet, die mit einer Höhe h radial aus der Umfangsfläche 20 herausragen, die in etwa der Dicke dt der Basisplatte 61 entspricht. Die Halte- und Positionierzapfen 66 weisen dabei eine Breite b1 und einen Abstand d2 untereinander auf. Die Breite b1 ist so bemessen, daß sie der Schlitzbreite b entspricht.On the circumferential surface 20 of the roller body part 19 at least one row 76 holding and positioning pins 66 is arranged, which protrude radially with a height h from the peripheral surface 20, which corresponds approximately to the thickness d t of the base plate 61. The holding and positioning pins 66 have a width b 1 and a distance d 2 with each other. The width b 1 is dimensioned so that it corresponds to the slot width b.

Auf der Umfangsfläche 20 des Walzenkörperteiles 19 sind zudem rundum Magnetelemente 60 in Reihen 74 angeordnet, wobei sich jeweils eine Reihe 74 mit einer Reihe 10 von Saugluftöffnungen 11 abwechselt.On the peripheral surface 20 of the roller body member 19 also all around magnetic elements 60 are arranged in rows 74, wherein in each case a row 74 alternates with a row 10 of Saugluftöffnungen 11.

Zum lagemäßig genauen Positionieren und Festlegen eines Folienmessers 24 auf dem Walzenkörperteil 19 wird dieses an den Halte- und Positionierzapfen 66 eingehängt, so daß die Halte- und Positionierzapfen 66 in die Schlitze 68 hineinragen. Während des Einhängevorganges ist das Folienmesser 24 im Bereich der Schlitzlänge d5 axial verschiebbar. Größere axiale Veränderungen sind durch Umsetzen des Folienmessers 24 in der Reihe 74 der Halte- und Positionierzapfen 66 erreichbar. Nach dem Einhängevorgang ist das Folienmesser 24 mittels der Halte- und Positionierzapfen 66 in Umfangsrichtung formschlüssig und mittels der Magnetelemente kraftschlüssig auf dem Walzenkörperteil festgelegt, so daß selbst bei schwierigen Schneidbedingungen ein Verschieben des Folienmessers 24 auf der Umfangsfläche 20 nicht stattfindet.For positionally accurate positioning and fixing a foil cutter 24 on the roll body part 19 this is hooked to the holding and positioning pin 66, so that the holding and positioning pins 66 protrude into the slots 68. During the hanging process, the foil cutter 24 is axially displaceable in the region of the slot length d 5 . Greater axial variations are achievable by translating the foil knife 24 in the row 74 of the retaining and locating pins 66. After the hanging process, the foil knife 24 is positively fixed by means of the holding and positioning pins 66 in the circumferential direction and by means of the magnetic elements frictionally on the roll body part, so that even with difficult cutting conditions, a displacement of the film knife 24 on the peripheral surface 20 does not take place.

In den Fig. 8-10 sind einige Formvarianten der Halte- und Positionierzapfen 66 gezeigt.In FIGS. 8-10, some shape variants of the holding and positioning pins 66 are shown.

In einer besonderen Ausbildung der Messerwalze 2 sind die Halte- und Positionicrzapfen 66 an einer Leiste 27 angeformt, die pißgenau in einem achsparallelen Kanal 25 des Walzenkörperteils 19 angeordnet und dort mittels Befestigungselementen 69 fixiert ist. An den Endbereichen des Kanales 25 sind, wie Fig. 11 zeigt, verbreiternde Aussparungen 70 ausgebildet, in die in etwa radial ausgerichtete Gewinde einmünden, in die Klemmchrauben 71 eingeschraubt sind, welche mit ihren Köpfen 72 auf endseitig an den Leisten 27 angeformten Ansatzflächen 73 drücken und so die Leiste 27 im Kanal 25 festlegen. Auf der Leiste 27 weisen die Halte- und Positionierzapfen 66 zueinander gleiche Abstände d2 auf, zu den Ansatzflächen 73 hin jedoch unterschiedliche Endabstände d3 und d4. Dabei ist d4 um d2/2 größer als d3. In Bezug auf ihre Endabstände d3, d4 ist die Leiste 27 im Kanal 25 um 180° wendbar. Durch das Wenden der Leiste 27 in Verbindung mit dem seitlichen Verschieben und Umsetzen eines Folienmessers 24 relativ zu den Halte- und Positionierzapfen 66 ist in axialer Richtung jede Messerposition auf dem Walzenkörperteil 19 erreichbar.In a particular embodiment of the knife roller 2, the holding and Positionicrzapfen 66 are integrally formed on a strip 27, the pseudo-accurate in an axis-parallel channel 25 of the roller body part 19 is arranged and fixed there by means of fastening elements 69. At the end portions of the channel 25, as shown in FIG. 11, widening recesses 70 are formed, open into the approximately radially aligned thread, are screwed into the clamping screws 71, which press with their heads 72 on the end of the strips 27 integrally formed shoulder surfaces 73 and thus set the bar 27 in the channel 25. On the strip 27, the holding and positioning pins 66 to each other equal distances d 2 , to the shoulder surfaces 73, however, different end distances d 3 and d 4th Here, d 4 is larger by d 2/2 than d 3 . With regard to their final distances d 3 , d 4 , the bar 27 is turnable in the channel 25 by 180 °. By turning the bar 27 in conjunction with the lateral displacement and moving a foil knife 24 relative to the holding and positioning pins 66 each knife position on the roll body part 19 can be reached in the axial direction.

In einer weiteren, jedoch nicht gezeigten Ausbildung der Messerwalze 2 sind auf der Umfangsfläche 20 verteilt mehrere Kanäle 25 angeordnet, in denen je nach Bedarf, abhängig von Anzahl und Größe der Folienmesser 2, Leisten 27 oder nur Füllstücke angeordnet sind.In a further, but not shown embodiment of the knife roller 2 a plurality of channels 25 are arranged distributed on the peripheral surface 20, in which, depending on Demand, depending on the number and size of the foil knife 2, strips 27 or only patches are arranged.

Der Einsatz der mit der Erfindung offenbarten Technik ist schließlich nicht auf das konkrete Ausfühmgsbeispiel beschränkt, vielmehr sind noch weitere Abwandlungen und Ergänzungen möglich, ohne vom grundsätzlichen Erfindungsgedanken abzuweichen.Finally, the use of the technique disclosed by the invention is not limited to the specific embodiment, but further modifications and additions are possible without departing from the basic idea of the invention.

Claims (3)

Folienmesser zum Anbringen an einer drehbaren Messerwalze (2), welches eine dünne flexible Basisplatte (61) aus einem magnetisch permeablen Material aufweist, auf der mindestens eine scharfe Schneidkante (28) hervorragt, die zu einer vorbestimmten Schneidform ausgebildet ist, wobei die Basisplatte (61) eine Vorder- und eine Hinterkante (62, 63) sowie zwei gegenüberliegende Seitenränder (64, 65) aufweist, wobei in einem an die Vorderkante (62) anschließenden vorderen Bereich (67) der Basisplatte (61) eine Anzahl von zur Schneidkante (28) ausgerichteten Durchgangslöchern in einer Flucht eingebracht ist, wobei die Durchgangslöcher eine Breite (b) aufweisen, die einer Breite (b1) von an der Messerwalze (2) vorgesehenen Halte- und Positionierzapfen (66) entspricht, so dass das Folienmesser (24) axial umsetzbar, in Umfangsrichtung der Messerwalze (2) jedoch fest und reproduzierbar an diesem positionierbar ist,
dadurch gekennzeichnet, dass • die Basisplatte (61) eine Dicke (d1) aufweist, die in etwa einer Höhe (h) entspricht, um welche die Halte- und Positionierzapfen (66) aus der Messerwalze (2) herausragen, und • die Durchgangslöcher Schlitze (68) sind, die eine solche Schlitzlänge (d5) aufweisen, dass das Folienmesser (24) bei in die Durchgangslöcher hineinragenden Halte- und Positionierzapfen (66) im Bereich der Schlitzlänge (d5) axial verschiebbar ist. Foil knife for attachment to a rotatable knife roller (2) having a thin flexible base plate (61) of magnetically permeable material on which protrudes at least one sharp cutting edge (28) formed into a predetermined cutting shape, the base plate (61 ) has a front and a rear edge (62, 63) and two opposite side edges (64, 65), wherein in a front region (67) adjoining the front edge (62) of the base plate (61) a number of to the cutting edge (28 ), said through-holes having a width (b) corresponding to a width (b 1 ) of holding and positioning pins (66) provided on the knife roller (2) so that the foil cutter (24) axially convertible, but in the circumferential direction of the knife roller (2) is fixed and reproducible positionable on this,
characterized in that • The base plate (61) has a thickness (d 1 ) which corresponds approximately to a height (h), by which the holding and positioning pins (66) protrude from the knife roller (2), and • the through holes are slots (68) which have a slot length (d 5 ) such that the foil cutter (24) is axially displaceable in the region of the slot length (d 5 ) when the holding and positioning pins (66) project into the through holes. Folienmesser nach Anspruch 1,
dadurch gekennzeichnet , dass
die Schlitzlänge (d5) kleiner ist als ein Abstand (d2) der Halte- und Positionierzapfen (66) und dass die Schlitze (68) einen Abstand (d6) voneinander aufweisen, welcher der Differenz aus dem Abstand (d2) der Halte- und Positionierzapfen (66) und der Schlitzlänge (d5) entspricht.Foil knife according to claim 1,
characterized in that
the slot length (d 5 ) is smaller than a distance (d 2 ) of the holding and positioning pins (66) and that the slots (68) have a distance (d 6 ) from each other, which the difference from the distance (d 2 ) Holding and positioning pin (66) and the slot length (d 5 ) corresponds. Folienmesser nach Anspruch 1 oder 1,
dadurch gekennzeichnet, dass
Durchbrüche (75) vorgesehen sind, die mit an der Messerwalze (2) vorgesehenen Saugöffnungen (11) in Luft leitende Verbindung gebracht werden können.Foil knife according to claim 1 or 1,
characterized in that
Breakthroughs (75) are provided which can be brought into air-conducting connection with suction openings (11) provided on the knife roller (2).
EP05026535A 1999-06-04 2000-04-05 Flexible cutting die for a cutting cylinder Expired - Lifetime EP1655118B1 (en)

Applications Claiming Priority (2)

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DE19925612A DE19925612B4 (en) 1999-06-04 1999-06-04 Rotatable knife roller with foil knife
EP00107341A EP1057597B1 (en) 1999-06-04 2000-04-05 Device for fixing a flexible cutting die on a cutting cylinder

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EP1655118B1 EP1655118B1 (en) 2009-12-16

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EP (2) EP1057597B1 (en)
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WO2010055480A1 (en) * 2008-11-12 2010-05-20 Gerhardt Ltd A thin plate cutting die and a cylinder for magnetically holding the cutting die

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DE29921967U1 (en) 2000-03-23
CA2310523A1 (en) 2000-12-04
ES2339030T3 (en) 2010-05-14
EP1655118B1 (en) 2009-12-16
DE50012334D1 (en) 2006-05-04
EP1057597A3 (en) 2002-03-20
JP2001018191A (en) 2001-01-23
DE50015825D1 (en) 2010-01-28
US6494123B2 (en) 2002-12-17
ATE452009T1 (en) 2010-01-15
ATE319542T1 (en) 2006-03-15
DE19925612A1 (en) 2000-12-07
ES2259951T3 (en) 2006-11-01
US20020092399A1 (en) 2002-07-18
EP1057597A2 (en) 2000-12-06
EP1057597B1 (en) 2006-03-08
US20030019343A1 (en) 2003-01-30
DE19925612B4 (en) 2007-10-31

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