EP0519102B1 - Apparatus for cutting single cards out of a strip of material - Google Patents

Apparatus for cutting single cards out of a strip of material Download PDF

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Publication number
EP0519102B1
EP0519102B1 EP91110110A EP91110110A EP0519102B1 EP 0519102 B1 EP0519102 B1 EP 0519102B1 EP 91110110 A EP91110110 A EP 91110110A EP 91110110 A EP91110110 A EP 91110110A EP 0519102 B1 EP0519102 B1 EP 0519102B1
Authority
EP
European Patent Office
Prior art keywords
upper knife
knife
bearing
longitudinal
designed
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
EP91110110A
Other languages
German (de)
French (fr)
Other versions
EP0519102A1 (en
Inventor
Peter Dipl.-Ing. Höffges
Thomas Dipl.-Ing. Beckers
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.)
Scheidt and Bachmann GmbH
Original Assignee
Scheidt and Bachmann 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 Scheidt and Bachmann GmbH filed Critical Scheidt and Bachmann GmbH
Priority to ES91110110T priority Critical patent/ES2069777T3/en
Priority to DE59104813T priority patent/DE59104813D1/en
Priority to EP91110110A priority patent/EP0519102B1/en
Priority to NO913460A priority patent/NO176908C/en
Priority to FI914816A priority patent/FI106253B/en
Priority to AU87893/91A priority patent/AU635871B2/en
Publication of EP0519102A1 publication Critical patent/EP0519102A1/en
Application granted granted Critical
Publication of EP0519102B1 publication Critical patent/EP0519102B1/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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • 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
    • B26D1/085—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 for thin material, e.g. for sheets, strips or the like
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B5/00—Details of, or auxiliary devices for, ticket-issuing machines
    • G07B5/02—Details of, or auxiliary devices for, ticket-issuing machines for cutting-off or separating tickets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/002—Materials or surface treatments therefor, e.g. composite materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Sewing Machines And Sewing (AREA)
  • Ticket-Dispensing Machines (AREA)
  • Making Paper Articles (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Abschneiden einzelner Karten von Endloskartenmaterial mit einem feststehenden Untermesser und einem relativ hierzu längsbeweglich geführten Obermesser, das von einem Motor über einen Exzenter angetrieben ist, wobei das Obermesser beidseitig zur Schneidkante mit über diese hervorragenden Führungszungen ausgebildet ist, die auch in der hinteren Endstellung des Obermessers auf dem Untermesser aufliegen.The invention relates to a device for cutting individual cards from continuous card material with a fixed lower knife and a longitudinally movable upper knife relative to it, which is driven by a motor via an eccentric, the upper knife being formed on both sides of the cutting edge with excellent guide tongues, which also in the rear end position of the upper knife rest on the lower knife.

Derartige Vorrichtungen sind insbesondere bei Ausgabegeräten für Wertkarten bekannt (z.B. US-A- 4823663). Für die Lagerung des beweglichen Obermessers gibt es verschiedene Konstruktionen, die jedoch einerseits aufwendig und andererseits störanfällig sind.Such devices are particularly known in the case of dispensers for prepaid cards (e.g. US-A-4823663). There are various designs for the storage of the movable upper knife, which are complex on the one hand and prone to failure on the other.

Der Erfindung liegt die Aufgabe zugrunde, eine besonders raumsparende und zuverlässige Lagerung und Führung für das Obermesser einer Vorrichtung der eingangs beschriebenen Art zu schaffen.The invention has for its object to provide a particularly space-saving and reliable storage and guidance for the upper knife of a device of the type described above.

Die Lösung dieser Aufgabenstellung durch die Erfindung ist dadurch gekennzeichnet, daß das Obermesser mit zur Bewegungsrichtung parallelen Längsrillen versehen ist, in die jeweils ein Führungsbund einer Lagerrolle eingreift, daß an jeder Längsseite des Obermessers drei Lagerrollen an den Längsrillen angreifen, von denen sich zwei am antriebsseitigen Ende des Obermessers auf der Ober- und Unterseite gegenüberliegen und eine Lagerrolle als Niederhalter ausgebildet ist und das Obermesser definiert zum Untermesser führt.The solution to this problem by the invention is characterized in that the upper knife is provided with longitudinal grooves parallel to the direction of movement, in each of which a guide collar of a bearing roller engages, that three bearing rollers engage on the longitudinal grooves on each longitudinal side of the upper knife, two of which engage on the drive side End of the upper knife on the top and bottom opposite and a bearing roller is designed as a hold-down and the upper knife leads to the lower knife.

Die erfindungsgemäße Ausbildung des Obermessers und der das Obermesser lagernden und führenden Lagerrollen ergibt bei einfacher Ausgestaltung eine gute Führung des Obermessers sowohl in Längs- als auch in Querrichtung und darüber hinaus einen hohen Wirkungsgrad, da die gesamte Energie des Antriebsmotors mit Ausnahme sehr geringer Reibungsverluste in Schnittkraft umgesetzt wird. Während die bisherige Reibung nahezu 50 % der Energie des Antriebsmotors vernichtete, entfallen bei der erfindungsgemäßen Ausführung lediglich etwa 5 % der Antriebsleistung auf Reibverluste einerseits zwischen Obermesser und Untermesser und andererseits zwischen dem Führungsbund der Lagerrollen und den Längsrillen im Obermesser. Außerdem ergibt sich eine besonders raumsparende Ausbildung, die einen Einsatz der erfindungsgemäßen Vorrichtung auch unter beengten Raumverhältnissen ermöglicht. Für die mit einem Führungsbund versehenen Lagerrollen können erfindungsgemäß handelsübliche Kugellager mit angearbeitetem Flansch verwendet werden, so daß die erfindungsgemäße Vorrichtung preiswert hergestellt werden kann.The inventive design of the upper knife and the bearing rollers leading and guiding the bearing rollers results in a simple design good guidance of the upper knife both in the longitudinal and in the transverse direction and also high efficiency, since the entire energy of the drive motor with the exception of very low friction losses in cutting force is implemented. While the previous friction destroyed almost 50% of the energy of the drive motor, in the embodiment according to the invention only about 5% of the drive power is due to friction losses on the one hand between the upper knife and the lower knife and on the other hand between the guide collar of the bearing rollers and the longitudinal grooves in the upper knife. In addition, there is a particularly space-saving design which enables the device according to the invention to be used even in confined spaces. For the bearing rollers provided with a guide collar, commercially available ball bearings with an attached flange can be used according to the invention, so that the device according to the invention can be manufactured inexpensively.

Gemäß einem weiteren Merkmal der Erfindung kann das Obermesser mit einem querliegenden Langloch ausgebildet werden, in das der mit einem Kugellager versehene Exzenter des Messerantriebes eingreift. Hierdurch ergibt sich auch für den Antrieb des Obermessers ausschließlich Rollreibung, so daß auch insoweit Energieverluste vermieden werden.According to a further feature of the invention, the upper knife can be formed with a transverse elongated hole in which the eccentric of the knife drive provided with a ball bearing engages. This also results in rolling friction only for the drive of the upper knife, so that energy losses are avoided to this extent.

Mit der Erfindung wird schließlich vorgeschlagen, die Schneide des Obermessers V-förmig und symmetrisch zur Längsmitte auszubilden. Hierdurch wird verhindert, daß sich während des Schnittes seitliche Verlagerungskräfte auf das Obermesser und dessen Führung ergeben; außerdem kommt das derart ausgebildete Obermesser mit einem kürzeren Hub aus, wodurch es gleichzeitig möglich ist, die Antriebsgeschwindigkeit zu reduzieren.Finally, the invention proposes to design the cutting edge of the upper knife in a V-shape and symmetrically to the longitudinal center. This prevents lateral displacement forces on the upper knife and its guidance from occurring during the cut; in addition, the upper knife designed in this way manages with a shorter stroke, which at the same time makes it possible to reduce the drive speed.

Auf der Zeichnung ist ein Ausführungsbeispiel der erfindungsgemäßen Vorrichtung dargestellt, und zwar zeigen:

Fig. 1
einen senkrechten Schnitt durch ein mit der erfindungsgemäßen Schneidvorrichtung versehenes Ausgabegerät,
Fig. 2
eine Draufsicht auf das hierbei verwendete Obermesser und
Fig. 3
einen Längsschnitt durch das Obermesser gemäß der Schnittlinie III - III in Fig. 2.
An exemplary embodiment of the device according to the invention is shown in the drawing, namely:
Fig. 1
2 shows a vertical section through an output device provided with the cutting device according to the invention,
Fig. 2
a plan view of the upper knife used here and
Fig. 3
2 shows a longitudinal section through the upper knife according to section line III-III in FIG. 2.

Das in Fig. 1 schematisch dargestellte Ausgabegerät dient zur Ausgabe von Wertkarten, die beim Ausführungsbeispiel mit einer Schneideinrichtung von Endlosmaterial abgetrennt werden, das durch jeweils einen Zufuhrschacht 1 mittels eines Antriebswalzenpaares 2 der Schneidvorrichtung zugeführt wird. An der Stelle, an der die drei Zuführschächte 1 zusammentreffen, ist beim Ausführungsbeispiel ein weiteres Antriebswalzenpaar 3 angeordnet. Außerdem ist eine Sensorik 4 vorgesehen, die die jeweilige Schnittstelle auf dem Endlosmaterial erkennt und die Antriebswalzenpaare 2 derart steuert, daß der durch die Schneideinrichtung zu erzeugende Schnitt an der jeweils vorgesehenen Stelle erfolgt.The dispenser shown schematically in FIG. 1 is used for dispensing value cards which, in the exemplary embodiment, are separated from continuous material with a cutting device, which is fed to the cutting device through a respective feed shaft 1 by means of a pair of drive rollers 2. At the point where the three feed shafts 1 meet, a further pair of drive rollers 3 is arranged in the embodiment. In addition, a sensor system 4 is provided which detects the respective interface on the continuous material and controls the drive roller pairs 2 in such a way that the cut to be produced by the cutting device takes place at the respectively provided location.

Die Schneidvorrichtung umfaßt ein feststehendes Untermesser 5 und ein Obermesser 6, das längsbeweglich geführt ist und beim Ausführungsbeispiel von einem als Schrittmotor ausgebildeten Motor 7 angetrieben wird. Auf der Welle dieses Motors 7 ist ein Exzenter 8 befestigt, der ein Kugellager 9 trägt, das mit dem Obermesser 6 zusammenwirkt.The cutting device comprises a fixed lower knife 5 and an upper knife 6 which is guided in a longitudinally movable manner and in the exemplary embodiment is driven by a motor 7 designed as a stepping motor. On the shaft of this motor 7, an eccentric 8 is attached, which carries a ball bearing 9, which cooperates with the upper knife 6.

Wie am besten die Darstellungen der Fig. 2 und 3 erkennen lassen, ist das Obermesser 6 mit einem querliegenden Langloch 10 versehen, in welches das Kugellager 9 eingreift. Eine Umdrehung der Welle des Motors 7 hat auf diese Weise eine hin- und hergehende Bewegung des Obermessers 6 zur Folge.As can best be seen from the illustrations in FIGS. 2 and 3, the upper knife 6 is provided with a transverse slot 10 into which the ball bearing 9 engages. In this way, one revolution of the shaft of the motor 7 results in a reciprocating movement of the upper knife 6.

Zur Führung und Lagerung ist das Obermesser 6 mit zur Bewegungsrichtung parallelen Längsrillen 11 versehen, die entweder als Vertiefungen in der Oberseite und Unterseite des Obermessers 6 oder als durchgehende Schlitze ausgebildet sein können. In diese Längsrillen 11 greift der Führungsbund von Lagerrollen 12 ein, deren Anordnung in Fig. 1 zu erkennen ist. Von diesen vorzugsweise durch handelsübliche Kugellager mit angearbeitetem Flansch gebildeten Lagerrollen 12 sind zwei paarweise am antriebsseitigen Ende des Obermessers 6 angeordnet, so daß eine zuverlässige Führung des Obermessers 6 in der waagerechten Richtung erreicht wird, und zwar sowohl in Längsrichtung als auch in Querrichtung. Das abgewandte, mit einer Schneide 13 versehene Ende des Obermessers 6 wird durch zwei weitere auf seiner Oberseite angreifende Lagerrollen 12 derart geführt, daß es zuverlässig mit dem feststehenden Untermesser 5 zusammenwirkt. Um auch in der hinteren, in Fig. 1 dargestellten Stellung des Obermessers 6 dessen zuverlässige Auflage auf dem Untermesser 5 zu gewährleisten, ist das Obermesser 6 beidseitig zur Schneide 13 mit über diese hervorstehenden Führungszungen 14 ausgebildet, die am besten in Fig. 2 zu erkennen sind.For guidance and storage, the upper knife 6 is provided with longitudinal grooves 11 which are parallel to the direction of movement and which can either be formed as depressions in the top and bottom of the upper knife 6 or as continuous slots. The guide collar of bearing rollers 12, whose arrangement can be seen in FIG. 1, engages in these longitudinal grooves 11. Of these bearing rollers 12, preferably formed by commercially available ball bearings with an attached flange, two are arranged in pairs on the drive-side end of the upper knife 6, so that reliable guidance of the upper knife 6 is achieved in the horizontal direction, both in the longitudinal direction and in the transverse direction. The opposite end, provided with a cutting edge 13, of the upper knife 6 is guided by two further bearing rollers 12 acting on its upper side in such a way that it cooperates reliably with the fixed lower knife 5. In order to ensure that the upper knife 6 also reliably rests on the lower knife 5 in the rear position shown in FIG. 1, the upper knife 6 is formed on both sides of the cutting edge 13 with guide tongues 14 projecting therefrom, which can best be seen in FIG. 2 are.

Die Fig. 2 zeigt auch die V-förmige Ausbildung der Schneide 13. Hierdurch wird bei gleichzeitiger Verkürzung des notwendigen Hubes des Obermessers 6 erreicht, daß bei der Durchführung des Schneidvorganges keine seitlichen Kräfte auf das Obermesser 6 ausgeübt werden, da die Querkomponenten der Schnittkräfte sich durch die V-förmige und symmetrische Ausbildung der Schneide 13 gegenseitig aufheben.Fig. 2 also shows the V-shaped design of the cutting edge 13. In this way, with the simultaneous shortening of the necessary stroke of the upper knife 6, it is achieved that no lateral forces are exerted on the upper knife 6 when the cutting operation is carried out, since the transverse components of the cutting forces are different cancel each other by the V-shaped and symmetrical design of the cutting edge 13.

Der vom nicht dargestellten Endlosmaterial mittels der voranstehend beschriebenen Schneidvorrichtung abgetrennte Abschnitt wird von einem Antriebswalzenpaar 15 erfaßt, das sich oberhalb der Schneidvorrichtung befindet und das abgeschnittene Kartenmaterial einem Ausgabeschacht 16 zuführt.The section separated from the continuous material (not shown) by means of the cutting device described above is gripped by a pair of drive rollers 15 which are located above the cutting device and feed the cut card material to an output shaft 16.

Bezugszeichenliste:Reference symbol list:

  • 1 Zufuhrschacht1 feed chute
  • 2 Antriebswalzenpaar2 pairs of drive rollers
  • 3 Antriebswalzenpaar3 pairs of drive rollers
  • 4 Sensorik4 sensors
  • 5 Untermesser5 lower knives
  • 6 Obermesser6 upper knives
  • 7 Motor7 engine
  • 8 Exzenter8 eccentrics
  • 9 Kugellager9 ball bearings
  • 10 Langloch10 slot
  • 11 Längsrille11 longitudinal groove
  • 12 Lagerrolle12 bearing roller
  • 13 Schneide13 cutting edge
  • 14 Führungszunge14 guide tongue
  • 15 Antriebswalzenpaar15 pair of drive rollers
  • 16 Ausgabeschacht16 output chute

Claims (4)

  1. Device for cutting off individual cards from endless card material, having a stationary lower knife (5) and an upper knife (6) guided in longitudinal motion relative hereto, which upper knife is driven by a motor (7) via an eccentric (8), the upper knife (6) being designed on each side of the cutting edge (13) with guide tongues (14) projecting beyond the latter and resting on the lower knife (5) even in the rearward end position of the upper knife (6), characterized in that the upper knife (6) is provided with longitudinal grooves (7) parallel to the direction of movement, in which in each case a guide collar of a bearing roller (12) engages, in that three bearing rollers (12) engage in the longitudinal grooves on each longitudinal side of the upper knife (6), two of which bearing rollers lie opposite each other on the upper and lower side on the drive-side end of the upper knife (6) and one bearing roller (12) is designed as a hold-down and guides the upper knife (6) in a defined way relative to the lower knife (5).
  2. Device according to Claim 1, characterized in that the bearing rollers (12) provided with a guide collar are formed by a commercially available ball-bearing with an attached flange.
  3. Device according to Claim 1 or 2, characterized in that the upper knife (6) is designed with a transverse slot (10) in which the eccentric (8), provided with a ball-bearing (9), of the knife drive engages.
  4. Device according to Claim 1, characterized in that the cutting edge (13) of the upper knife (6) is V-shaped and designed symmetrically to the longitudinal centre.
EP91110110A 1991-06-20 1991-06-20 Apparatus for cutting single cards out of a strip of material Expired - Lifetime EP0519102B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES91110110T ES2069777T3 (en) 1991-06-20 1991-06-20 DEVICE FOR CUTTING INDIVIDUALIZED TICKETS FROM TICKET MATERIAL IN ENDLESS STRIPES.
DE59104813T DE59104813D1 (en) 1991-06-20 1991-06-20 Device for cutting individual cards from continuous card material.
EP91110110A EP0519102B1 (en) 1991-06-20 1991-06-20 Apparatus for cutting single cards out of a strip of material
NO913460A NO176908C (en) 1991-06-20 1991-09-03 Device for cutting off some cards of endless card material
FI914816A FI106253B (en) 1991-06-20 1991-10-11 A device for cutting individual cards from endless card material
AU87893/91A AU635871B2 (en) 1991-06-20 1991-11-15 Device to cut off single cards from an endless card material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91110110A EP0519102B1 (en) 1991-06-20 1991-06-20 Apparatus for cutting single cards out of a strip of material

Publications (2)

Publication Number Publication Date
EP0519102A1 EP0519102A1 (en) 1992-12-23
EP0519102B1 true EP0519102B1 (en) 1995-03-01

Family

ID=8206848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91110110A Expired - Lifetime EP0519102B1 (en) 1991-06-20 1991-06-20 Apparatus for cutting single cards out of a strip of material

Country Status (6)

Country Link
EP (1) EP0519102B1 (en)
AU (1) AU635871B2 (en)
DE (1) DE59104813D1 (en)
ES (1) ES2069777T3 (en)
FI (1) FI106253B (en)
NO (1) NO176908C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9416958U1 (en) * 1994-10-21 1995-02-16 Hengstler Gmbh Cutting device with a motor
DE19654905A1 (en) * 1996-03-11 1997-11-13 Siemens Nixdorf Inf Syst Cutting knife control method for till receipt printing arrangement
EP2106887A1 (en) * 2008-03-31 2009-10-07 Custom Engineering SpA Fastener with cutting blade for roller printer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154924B (en) * 1984-03-05 1987-07-29 Minnesota Mining & Mfg Cutting mechanism
US4619168A (en) * 1984-03-05 1986-10-28 Minnesota Mining And Manufacturing Company Cutting mechanism
FR2592975B1 (en) * 1986-01-15 1989-06-09 Dassault Electronique DEVICE FOR THE AUTOMATIC DISPENSING OF PAYMENT CARDS, IN PARTICULAR SPECIALIZED MEMORY CARDS
US4841822A (en) * 1986-05-08 1989-06-27 Gerber Scientific, Inc. Cutter head and knife for cutting sheet material
US4823663A (en) * 1987-03-02 1989-04-25 Xerox Corporation Cut sheet roll supply
US4841882A (en) * 1988-08-18 1989-06-27 Ehrman Ernest W Articles of foldable furniture

Also Published As

Publication number Publication date
NO176908B (en) 1995-03-13
DE59104813D1 (en) 1995-04-06
ES2069777T3 (en) 1995-05-16
AU635871B2 (en) 1993-04-01
FI106253B (en) 2000-12-29
FI914816A (en) 1992-12-21
AU8789391A (en) 1992-12-24
NO913460D0 (en) 1991-09-03
FI914816A0 (en) 1991-10-11
NO913460L (en) 1992-12-21
EP0519102A1 (en) 1992-12-23
NO176908C (en) 1995-06-21

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