EP1121243B1 - Device for producing score lines on corrugated board - Google Patents

Device for producing score lines on corrugated board Download PDF

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Publication number
EP1121243B1
EP1121243B1 EP99953815A EP99953815A EP1121243B1 EP 1121243 B1 EP1121243 B1 EP 1121243B1 EP 99953815 A EP99953815 A EP 99953815A EP 99953815 A EP99953815 A EP 99953815A EP 1121243 B1 EP1121243 B1 EP 1121243B1
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EP
European Patent Office
Prior art keywords
scoring
transport
combined
ring
transport member
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Expired - Lifetime
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EP99953815A
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German (de)
French (fr)
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EP1121243A1 (en
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Harald Gehle
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    • 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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/08—Creasing
    • B31F1/10—Creasing by rotary tools
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/254—Surface scoring using tools mounted on belts or chains

Definitions

  • the invention relates to a device for scoring corrugated cardboard in processing machines according to the preamble of the claim 1.
  • creases are or creasing rings automatically produced in the material direction.
  • the creases that are later used for folding the Blanks are particularly critical and reproduce current state of the art uncontrolled gap widths in the finished folding box. This does not result from the flawless creasing.
  • the scoring is in the direction of the corrugated cardboard and thus lengthways executed to the cardboard waves and thereby hits from Wellental to top of the wave on always different conditions. Because the folding When using belts, the result is not 100% the wave folds slightly backwards, which is called "fish-tailing".
  • the form of the creasing is also dependent on the one used Paper quality affected. Light or recycled qualities allow only a lesser degree, since these types of paper easily become cracked and thus the resilience of the folding box reduce.
  • DE 31 38 454 C2 describes an apparatus and a method for creating grooves in corrugated cardboard for folding and compliance the carton dimensions for corrugated creasing machines known.
  • the corrugated cardboard or the one to be grooved Cardboard passed between two rollers and thereby grooved.
  • the distance between the two rollers previously set, so that the material to be grooved the right pressure is given.
  • DE 36 17 916 A1 describes a method and a device known for the production of blanks for folding boxes, wherein the blank successively with the help of a transport device through an insertion station, an embossing station, a Cooling station, a punching station and a removal station performed becomes.
  • a machine is called an inline machine, there are several operations in the same machine be performed.
  • the Stamping station a hydraulically or mechanically driven stamping press with a fixed base plate and one vertically movable upper pressure plate. Both plates have hot plates, whose temperature is set independently can be. Because the heating plates attached to the embossing tool embossing or creasing is always carried out simultaneously with the Warm up and thus in stationary operation.
  • the transport device must first run a cut sheet under the embossing tool, then stop to close the embossing tool and so on keep closed until there is a sufficient amount of hotplate Heating has occurred. Then the embossing force is increased to the To emboss lines. The embossing tool then opens and the restarting transport device promotes the thus grooved cutting sheet to the cooling station.
  • One disadvantage of this known device and the method that can be carried out with it is that the transport device always start again and must brake, which is an energy-intensive acceleration and deceleration of not inconsiderable masses. This is subject to natural speed limits.
  • DE 195 38 512 A1 discloses a method and a device for embossing crease lines in corrugated cardboard for better folding and compliance with the box dimensions for in-line machines.
  • the part of the corrugated cardboard intended for the crease itself is heated with the help of a heatable table immediately before the crease or during the crease itself.
  • the object of the invention is to provide a device with which a more precise corrugation of corrugated cardboard than in the prior art for the subsequent production of folding boxes can be achieved.
  • the corrugated cardboard is indeed rotating Transported ring, which is actually grooved through a number of depending on the outer diameter of the ring straight lines shaped.
  • Figure 1 shows schematically an upper and lower transport body 1 and 2 in a pressure folding and gluing machine for corrugated cardboard 3, which is also generally referred to as an in-line machine. These transport bodies 1, 2 are necessary for the clocked feed within the machine.
  • the transport bodies 1 and 2 are in a manner known per se driven shafts mounted in an in-line machine. Each one of these transport bodies 1 or 2, depending on the machine training for top printing or bottom printing, is on its scope 4 with a varying number of straight flat pieces 10, 10 'and 10 "provided that evenly distributed over the circumference 4 are and the transport body 1 in the view of the appearance a polygon or polygon. These straight flat pieces 10, 10 ', 10 "are depending on the outer diameter of the Transport body 1 between 5mm and 25mm long.
  • the combined with these straight flat pieces 10, 10 ', 10 " Creasing and transport body 1 is usually made of steel or cast iron and presses the part to be grooved Corrugated cardboard 3 against the outer circumference of what is referred to as the counter body lower transport body 2, which is either a steel or Has polyurethane tread.
  • the combined creasing and transport body 1 accordingly has one polygonal creasing ring 11 on the circumference 4 of its circular Transport body 1 protrudes about 1-4mm and a width from 0.5 to 4mm, with rounded edges.
  • the outer contour over the largest scope 4 of the combined creasing and Transport body 1 is thus that of a regular polygon for example 70 corners, which cannot be seen from FIG. 1, since this shows the creasing ring only schematically.
  • FIG. 2 shows an enlarged detail A from FIG. 1, in which one better the straight course of the flat pieces 10, 10 ', 10 " recognizes.
  • the circumference 4 of the transport body 1 thus extends as a circular arc, while the outer contour of the flat pieces 10, 10 ', 10 "between points B and C as well as right and left of which runs straight.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

The invention relates to a device for stamping groove lines on corrugated board to better fold and comply with the sizes of boxes in production and processing machines having a combined grooving and transport, body (1) and a counter-body. The combined grooving and transport body (1) is fitted on its periphery with a grooving ring (11) having straight individual surfaces, said ring having the shape of a regular polygon with straight flat pieces whose number varies due to the different peripheries.

Description

Die Erfindung betrifft eine Vorrichtung zur Rillung von Wellpappe in Verarbeitungsmaschinen gemäß Oberbegriff des Patentanspruchs 1.The invention relates to a device for scoring corrugated cardboard in processing machines according to the preamble of the claim 1.

In der Wellpappenindustrie werden Rillungen über Rillmesser- oder Rillringe in Materiallaufrichtung automatisch hergestellt. Dabei sind die Rillungen, die später für die Faltung des Zuschnittes zuständig sind, besonders kritisch und erzeugen nach heutigem Stand der Technik unkontrollierte Spaltbreiten bei der fertigen Faltschachtel. Dieses ergibt sich allein aus der nicht einwandfreien Rillung.In the corrugated cardboard industry, creases are or creasing rings automatically produced in the material direction. Here are the creases that are later used for folding the Blanks are particularly critical and reproduce current state of the art uncontrolled gap widths in the finished folding box. This does not result from the flawless creasing.

Die Rillung wird in Laufrichtung der Wellpappe und damit längs zu den Karton-Wellen ausgeführt und trifft dadurch von Wellental zu Wellenspitze auf immer andere Bedingungen. Da die Faltung über Gurte erfolgt, ergibt sich bei einer nicht 100%igen Ausprägung der Welle eine etwas nach hinten verlaufende Faltung, die als sogenanntes "fish-tailing" bezeichnet wird.The scoring is in the direction of the corrugated cardboard and thus lengthways executed to the cardboard waves and thereby hits from Wellental to top of the wave on always different conditions. Because the folding When using belts, the result is not 100% the wave folds slightly backwards, which is called "fish-tailing".

Die Ausprägung der Rillung wird außerdem von der verwendeten Papierqualität beeinflußt. Leichte bzw. recykelte Qualitäten lassen nur eine geringere Ausprägung zu, da diese Papiersorten leicht rissig werden und damit die Belastbarkeit der Faltschachtel mindern.The form of the creasing is also dependent on the one used Paper quality affected. Light or recycled qualities allow only a lesser degree, since these types of paper easily become cracked and thus the resilience of the folding box reduce.

Aus der DE 31 38 454 C2 sind eine Vorrichtung und ein Verfahren zur Ausprägung von Rillen in Wellpappe für die Faltung und Einhaltung der Kartonabmessungen für Wellpappen-Rillmaschinen bekannt. Dabei wird die Wellpappe bzw. der mit Rillen zu versehende Karton zwischen zwei Walzen durchgeführt und dadurch gerillt. Je nach Dicke der zu rillenden Kartons wird der Abstand der beiden Walzen zuvor eingestellt, so daß dem zu rillenden Material der richtige Druck erteilt wird.DE 31 38 454 C2 describes an apparatus and a method for creating grooves in corrugated cardboard for folding and compliance the carton dimensions for corrugated creasing machines known. The corrugated cardboard or the one to be grooved Cardboard passed between two rollers and thereby grooved. Depending on the thickness of the cartons to be grooved, the distance between the two rollers previously set, so that the material to be grooved the right pressure is given.

Aus der DE 36 17 916 A1 sind ein Verfahren und eine Vorrichtung zur Herstellung von Zuschnitten für Faltschachteln bekannt, wobei der Zuschnitt mit Hilfe einer Transportvorrichtung nacheinander durch eine Einlegestation, eine Prägestation, eine Kühlstation, eine Stanzstation und eine Entnahmestation geführt wird. Eine derartige Maschine wird als Inline-Maschine bezeichnet, da in ein und derselben Maschine mehrere Arbeitsgänge durchgeführt werden. Bei der bekannten Vorrichtung weist die Prägestation eine hydraulisch oder mechanisch angetriebene Prägepresse mit einer feststehenden Unterplatte und einer vertikal bewegbaren oberen Druckplatte auf. Beide Platten tragen Heizplatten, deren Temperatur unabhängig voneinander eingestellt werden kann. Da die Heizplatten an dem Prägewerkzeug befestigt sind, erfolgt das Prägen oder Rillen stets gleichzeitig mit dem Erwärmen und damit im stationären Betrieb. Die Maschine muß also intermittierend arbeiten, d.h., die Transportvorrichtung muß zunächst einen Zuschnittbogen unter das Prägewerkzeug führen, dann anhalten, um das Prägewerkzeug zu schließen und so lange geschlossen halten, bis von den Heizplatten eine hinreichende Erwärmung erfolgt ist. Danach wird die Prägekraft erhöht, um die Prägelinien einzuprägen. Anschließend öffnet sich das Prägewerkzeug und die erneut anlaufende Transportvorrichtung fördert den so gerillten Zuschnittbogen zur Kühlstation. Ein Nachteil dieser bekannten Vorrichtung und des damit durchführbaren Verfahrens besteht darin, daß die Transportvorrichtung immer wieder anlaufen und abbremsen muß, was eine energieaufwendige Beschleunigung und Abbremsung von nicht unbeträchtlichen Massen erfordert. Dies unterliegt natürlichen Geschwindigkeitsbegrenzungen.DE 36 17 916 A1 describes a method and a device known for the production of blanks for folding boxes, wherein the blank successively with the help of a transport device through an insertion station, an embossing station, a Cooling station, a punching station and a removal station performed becomes. Such a machine is called an inline machine, there are several operations in the same machine be performed. In the known device, the Stamping station a hydraulically or mechanically driven stamping press with a fixed base plate and one vertically movable upper pressure plate. Both plates have hot plates, whose temperature is set independently can be. Because the heating plates attached to the embossing tool embossing or creasing is always carried out simultaneously with the Warm up and thus in stationary operation. So the machine has to work intermittently, i.e. the transport device must first run a cut sheet under the embossing tool, then stop to close the embossing tool and so on keep closed until there is a sufficient amount of hotplate Heating has occurred. Then the embossing force is increased to the To emboss lines. The embossing tool then opens and the restarting transport device promotes the thus grooved cutting sheet to the cooling station. One disadvantage of this known device and the method that can be carried out with it is that the transport device always start again and must brake, which is an energy-intensive acceleration and deceleration of not inconsiderable masses. This is subject to natural speed limits.

Aus der DE 195 38 512 A1 sind schließlich ein Verfahren und eine Vorrichtung zur Ausprägung von Rillinien in Wellpappe zur besseren Faltung und Einhaltung der Schachtelabmessungen für In-Line Maschinen bekannt. Dabei wird unmittelbar vor der Rillung oder bei der Rillung selbst der für die Rillung vorgesehenen Teil der Wellpappe mit Hilfe eines beheizbaren Tisches erwärmt.Finally, DE 195 38 512 A1 discloses a method and a device for embossing crease lines in corrugated cardboard for better folding and compliance with the box dimensions for in-line machines. The part of the corrugated cardboard intended for the crease itself is heated with the help of a heatable table immediately before the crease or during the crease itself.

Da bei allen bekannten Verfahren die Rillung rotatif durchgeführt wird und die Rillung zumeist in Laufrichtung der Karton-Wellen erfolgt, setzt der Rillpunkt an unterschiedlichen Stellen der Welle an. Dies ergibt große Probleme in der sogenannten Spalttoleranz, die für Automatenverpackungen sehr wichtig ist, da sie über die Faltgenauigkeit des Kartons entscheidet.Since the scoring is carried out rotatif in all known processes and the creasing mostly in the running direction of the cardboard shafts the crease point is set at different points the wave. This gives rise to major problems in the so-called Gap tolerance, which is very important for machine packaging, because it determines the folding accuracy of the box.

Aufgabe der Erfindung ist es, eine Vorrichtung zu schaffen, mit der eine genauere Rillung von Wellpappe als beim Stand der Technik für die nachfolgende Herstellung von Faltschachteln erzielt werden kann. The object of the invention is to provide a device with which a more precise corrugation of corrugated cardboard than in the prior art for the subsequent production of folding boxes can be achieved.

Zur Lösung dieser Aufgabe dient eine Vorrichtung mit den Merkmalen des Patentanspruchs 1.A device used to achieve this object with the features of claim 1.

Vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Advantageous embodiments of the invention result from the Dependent claims.

Bei der Erfindung wird also die Wellpappe zwar mit einem rotierenden Ring transportiert, die eigentlich Rillung wird durch eine je nach Außendurchmesser des Ringes variierende Anzahl von geraden Linien geprägt. In the invention, the corrugated cardboard is indeed rotating Transported ring, which is actually grooved through a number of depending on the outer diameter of the ring straight lines shaped.

Die Erfindung wird nachfolgend anhand einer Zeichnung näher erläutert.

  • Figur 1 zeigt schematisch ein Ausführungsbeispiel;
  • Figur 2 zeigt einen Ausschnitt A aus dem Rillkörper von Fig. 1.
    • The invention is explained in more detail below with reference to a drawing.
  • Figure 1 shows schematically an embodiment;
  • FIG. 2 shows a section A from the creasing body from FIG. 1.

    • In den Figuren sind gleiche Teile mit gleichen Bezugszeichen versehen.In the figures, the same parts have the same reference numerals Mistake.

    Figur 1 zeigt schematisch einen oberen und unteren Transportkörper 1 und 2 in einer Druck-Falt- und Klebemaschine für Wellpappe 3, die allgemein auch als In-Line-Maschine bezeichnet wird. Diese Transportkörper 1, 2 sind für den getakteten Vorschub innerhalb der Maschine notwendig. Figure 1 shows schematically an upper and lower transport body 1 and 2 in a pressure folding and gluing machine for corrugated cardboard 3, which is also generally referred to as an in-line machine. These transport bodies 1, 2 are necessary for the clocked feed within the machine.

    Die Transportkörper 1 und 2 sind auf an sich bekannte Weise auf angetriebenen Wellen in einer In-Line Maschine montiert. Jeweils einer dieser Transportkörper 1 oder 2, und zwar je nach Maschinenausbildung für Obendruck oder Untendruck, ist an seinem Umfang 4 mit einer variierenden Anzahl von geraden Flachstücken 10, 10'und 10" versehen, die gleichmäßig über den Umfang 4 verteilt sind und dem Transportkörper 1 in der Ansicht das Aussehen eines Vielkeils oder Vielecks verleihen. Diese geraden Flachstücke 10, 10', 10" sind nach je nach Außendurchmesser des Transportkörpers 1 zwischen 5mm und 25mm lang.The transport bodies 1 and 2 are in a manner known per se driven shafts mounted in an in-line machine. Each one of these transport bodies 1 or 2, depending on the machine training for top printing or bottom printing, is on its scope 4 with a varying number of straight flat pieces 10, 10 'and 10 "provided that evenly distributed over the circumference 4 are and the transport body 1 in the view of the appearance a polygon or polygon. These straight flat pieces 10, 10 ', 10 "are depending on the outer diameter of the Transport body 1 between 5mm and 25mm long.

    Der mit diesen geraden Flachstücken 10, 10', 10" versehene kombinierte Rill- und Transportkörper 1 ist in der Regel aus Stahl oder Gußeisen hergestellt und drückt den zu rillenden Teil der Wellpappe 3 gegen den Außenumfang des als Gegenkörper bezeichneten unteren Transportkörper 2, der entweder eine Stahl- oder Polyurethan-Lauffläche hat.The combined with these straight flat pieces 10, 10 ', 10 " Creasing and transport body 1 is usually made of steel or cast iron and presses the part to be grooved Corrugated cardboard 3 against the outer circumference of what is referred to as the counter body lower transport body 2, which is either a steel or Has polyurethane tread.

    Dabei prägen die über den Außendurchmesser des oberen (oder unteren) Transportkörpers 1 vorhandenen geraden Flachstücke 10, 10', 10" die gewünschte Rillung in die Wellpappe 3, und zwar ähnlich, wie dieses mit einem feststehenden Schwert erfolgen würde. Der Unterschied zu der heute bekannten normalen Rillung, die durch einen runden Rillkörper erzeugt wird, besteht nun darin, daß die hier beschriebene Erfindung eine horizontale Prägung durchführt und damit bei den fertigen Wellpappenbögen eine einwandfreie Faltung ermöglicht.The shape of the outer diameter of the upper (or lower) transport body 1 existing straight flat pieces 10, 10 ', 10 "the desired creasing in the corrugated cardboard 3, namely similar to how this is done with a fixed sword would. The difference to the normal creasing known today, which is generated by a round creasing body, now exists in that the invention described here is horizontal Embossing and thus the finished corrugated cardboard sheets allows perfect folding.

    Der kombinierte Rill- und Transportkörper 1 weist demnach einen vieleckigen Rillring 11 auf, der über den Umfang 4 seines kreisrunden Transportkörpers 1 etwa 1-4mm vorsteht und eine Breite von 0.5 bis 4mm hat, wobei die Kanten abgerundet sind. Die Außenkontour über den größten Umfang 4 des kombinierten Rill- und Transportkörpers 1 ist damit die eines regelmäßigen Vielecks mit beispeislweise 70 Ecken, was aus der Figur 1 nicht hervorgeht, da diese den Rillring nur schematisch darstellt.The combined creasing and transport body 1 accordingly has one polygonal creasing ring 11 on the circumference 4 of its circular Transport body 1 protrudes about 1-4mm and a width from 0.5 to 4mm, with rounded edges. The outer contour over the largest scope 4 of the combined creasing and Transport body 1 is thus that of a regular polygon for example 70 corners, which cannot be seen from FIG. 1, since this shows the creasing ring only schematically.

    Figur 2 zeigt eine Ausschnittsvergrößerung A aus Figur 1, in der man den geraden Verlauf der Flachstücke 10, 10', 10" besser erkennt. Der Umfang 4 des Transportkörpers 1 erstreckt sich also als Kreisbogen, während die Außenkontur der Flachstücke 10, 10', 10" zwischen den Punkten B und C ebenso wie rechts und links davon gerade verläuft.FIG. 2 shows an enlarged detail A from FIG. 1, in which one better the straight course of the flat pieces 10, 10 ', 10 " recognizes. The circumference 4 of the transport body 1 thus extends as a circular arc, while the outer contour of the flat pieces 10, 10 ', 10 "between points B and C as well as right and left of which runs straight.

    Claims (4)

    1. A device for stamping score lines in corrugated board (3) for better folding and to comply better with the box dimensions for manufacturing and processing machines having a combined scoring and transport member (1) and a counter-member (2),
      characterised in that the combined scoring and transport member (1) is provided on it periphery (4) with a number of flat pieces (10, 10', 10") varying according to the external diameter, which run in the rotational plane of the combined scoring and transport member (1) and form a polygonal scoring ring (11) which radially projects over the periphery (4) of the combined scoring and transport member (1).
    2. A device according to Claim 1,
      characterised in that the transport member (1) is mounted on the machine frame so that it is height-adjustable with respect to the counter-member (2).
    3. A device according to Claim 1,
      characterised in that the polygonal scoring ring (11) has a thickness of 1 - 5 mm.
    4. A device according to Claim 1,
      characterised in that each flat piece (10, 10', 10") of the polygonal scoring ring (11) has a length of 5 - 25 mm.
    EP99953815A 1998-10-15 1999-10-13 Device for producing score lines on corrugated board Expired - Lifetime EP1121243B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE19849282 1998-10-15
    DE19849282A DE19849282C1 (en) 1998-10-15 1998-10-15 Device for stamping creases in corrugated cardboard
    PCT/EP1999/007712 WO2000021741A1 (en) 1998-10-15 1999-10-13 Device for stamping groove lines on corrugated board

    Publications (2)

    Publication Number Publication Date
    EP1121243A1 EP1121243A1 (en) 2001-08-08
    EP1121243B1 true EP1121243B1 (en) 2002-07-17

    Family

    ID=7885657

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99953815A Expired - Lifetime EP1121243B1 (en) 1998-10-15 1999-10-13 Device for producing score lines on corrugated board

    Country Status (6)

    Country Link
    US (1) US6537189B1 (en)
    EP (1) EP1121243B1 (en)
    AT (1) ATE220616T1 (en)
    CA (1) CA2336912C (en)
    DE (2) DE19849282C1 (en)
    WO (1) WO2000021741A1 (en)

    Families Citing this family (8)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO2002011977A1 (en) * 2000-08-08 2002-02-14 Harald Gehle Device for the stamping of groove lines in corrugated cardboard
    US7822524B2 (en) * 2003-12-26 2010-10-26 Toyota Jidosha Kabushiki Kaisha Vehicular drive system
    EP2826618A3 (en) * 2006-11-08 2015-04-08 Heidelberger Druckmaschinen AG Folding box gluing machine for manufacturing folding boxes made from blanks
    AU2009307089A1 (en) * 2008-10-20 2010-04-29 Johnsonite Inc. Integral wall base and flash cove
    JP5888429B2 (en) * 2012-10-04 2016-03-22 日産自動車株式会社 Start control device for hybrid vehicle
    EP3132966A1 (en) * 2015-08-21 2017-02-22 Magna Steyr Fahrzeugtechnik AG & Co KG Method for operating a vehicle
    KR101714521B1 (en) * 2015-11-06 2017-03-22 현대자동차주식회사 Hybrid vehicle and method of efficiently controlling transmission
    CN108189484A (en) * 2017-12-28 2018-06-22 苏州瑞赛科物流科技股份有限公司 A kind of cellular board backfin trace mold

    Family Cites Families (8)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US3314339A (en) * 1964-05-04 1967-04-18 Inland Container Corp Scoring device
    DE1511020B2 (en) * 1966-01-12 1971-06-03 METHOD AND DEVICE FOR IMPRESSING GROOVES IN THE CROSS BOTTOM OF A CROSS-FUNDED HOSE SECTION
    IT1132882B (en) * 1980-09-29 1986-07-09 Elio Cavagna COMMANDABLE CORDER WITH COMPRESSED AIR, OIL OR OTHER FLUID, TO ESTABLISH OR CHANGE THE DEPTH OF THE CORDING, FINDING PARTICULAR USE IN THE CARDBOARD AND PACKAGING INDUSTRY
    DE3500547A1 (en) * 1985-01-10 1986-07-10 Focke & Co (GmbH & Co), 2810 Verden METHOD AND DEVICE FOR PRODUCING CUT-OUTS FOR PACKAGING
    US4741729A (en) * 1985-08-23 1988-05-03 Illinois Tool Works Inc. Multi-packaging devices, methods and machines
    DE3617916A1 (en) * 1986-05-28 1987-12-03 Kiefel Hochfrequenz Paul Device for producing blanks for folded boxes or the like
    US5873807A (en) * 1995-03-20 1999-02-23 Corrugated Gear & Services, Inc. Scoring assembly
    DE19538512A1 (en) * 1995-10-04 1997-04-10 Harald Gehle Indenting of crease lines in corrugated paper

    Also Published As

    Publication number Publication date
    US6537189B1 (en) 2003-03-25
    CA2336912A1 (en) 2000-04-20
    DE19849282C1 (en) 2000-05-25
    WO2000021741A1 (en) 2000-04-20
    CA2336912C (en) 2003-07-29
    DE59902071D1 (en) 2002-08-22
    ATE220616T1 (en) 2002-08-15
    EP1121243A1 (en) 2001-08-08

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