EP1471023A1 - Abreisseinrichtung für Materialbahnen - Google Patents
Abreisseinrichtung für Materialbahnen Download PDFInfo
- Publication number
- EP1471023A1 EP1471023A1 EP20030008666 EP03008666A EP1471023A1 EP 1471023 A1 EP1471023 A1 EP 1471023A1 EP 20030008666 EP20030008666 EP 20030008666 EP 03008666 A EP03008666 A EP 03008666A EP 1471023 A1 EP1471023 A1 EP 1471023A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tear
- motor
- material web
- pressure
- pressure elements
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/10—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with devices for breaking partially-cut or perforated webs, e.g. bursters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/50—Driving mechanisms
- B65H2403/51—Cam mechanisms
- B65H2403/514—Cam mechanisms involving eccentric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/20—Belts
- B65H2404/26—Particular arrangement of belt, or belts
- B65H2404/269—Particular arrangement of belt, or belts other arrangements
- B65H2404/2691—Arrangement of successive belts forming a transport path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
- B65H2515/34—Pressure, e.g. fluid pressure
-
- 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
- Y10T225/00—Severing by tearing or breaking
- Y10T225/30—Breaking or tearing apparatus
- Y10T225/35—Work-parting pullers [bursters]
Definitions
- the invention relates to a tear-off device for sections of a material web with a preferred movement and a tear-off according to the preamble of the claim 1.
- tear-off devices are used, for example, in hose machines Part of a sacking line used to create a tubular web at perforated points in Separate hose sections.
- the tube web is usually from the preferred factory transported between opposed endless conveyor belts and fed to the tear-off.
- EP 0 227 896 is another tear-off device for hose sections known in the Abr utilizattechnik on one side of the conveyor belts three pressure rollers are stored so that they together with an eccentric disc against opposite pressure rollers can be moved.
- the object of the invention is a tear-off of the aforementioned To create a kind whose demolition work a simpler and more solid structure of the Has adjusting.
- the engageable pressure elements rotatably driven inner eccentric on which pressure rollers mounted rotatably are. It is at least one located on a first side of the web Pressure roller adjustable. By means of a rotary motion on the Inner eccentric mounted pressure roller against the opposite pressure element and the material web therebetween are turned on or off. Alternatively, two opposing pressure rollers against each other be adjustable.
- the engageable pressure elements Cams, which are adjustable against the material web.
- the cams can in particular have the shape of roll segments.
- the pressure elements are rotated in such a way that that the cams of the web or the conveyor belts are facing. so that they get into engagement with the material web. While the pressure elements are employed, they can continue to be driven or free with any Run along conveyor belts.
- the adjusting device preferably at least a motor through which the pressure elements are rotationally driven.
- This has, inter alia, the advantage that, in contrast to conventional tear-off a rigid coupling of the Anstellvorganges with the transport the material web can be omitted, so that greater variability is achieved.
- a pressure element by means of a motor allows the rotational movement
- a direct implementation of the engine torque or engine power in the contact pressure of the pressure element and it can also be very be carried out quickly and in a controlled manner.
- the adjusting device further preferably has a control device for Timing of the movement of the engine. Unlike traditional ones Tear-off devices in which the time of Anstellvorganges by a Eccentric disc or another rigid mechanism is set is so a variable and precise timing of the tearing process possible.
- the movement, for example, of a servomotor is timely with a known per se Control device exactly controllable.
- the control device is a programmable control device, with the times of arrival and / or Abstellschulen in relation to the Transport of the material web are adjustable.
- This has the advantage of adaptability the setting process to different operating conditions and material webs, for example, tubular webs with different tube formats, in particular different lengths of hose sections. So is one Changing the formats of the sections no conversion of the tear-off necessary.
- the exact setting of the operating parameters for the tear-off allows also using higher machine speeds than conventional ones Tear-off devices with a rigidly fixed sequence of the tearing process is possible.
- the adjusting device has the at least one motor and the control device on, and the engine is in opposite over a limited adjustment Directions drivable.
- the adjusting movements of the engine are through the control device time controllable.
- the adjustment of the motor can be programmable.
- the Anund Ab stellen the at least one pressure element is effected in that the Engine only a small movement back and forth performs.
- first or second embodiment is the at least one motor in a direction of rotation circumferentially variable with Speed drivable, and the speed of the engine can up be variable to a stop.
- Such movement of the engine has the advantage that lower accelerations are necessary because no reversing operation of Motors done.
- the at least one motor is a servomotor. It is advantageous that a servo motor high torque even at the lowest speed or at standstill and can have high dynamics.
- An exact one Position control is by a control loop with a position sensor reachable. Instead of a servo motor can also be a stepper motor or a direct drive can be provided.
- the preferential work and the tear-off each have their own Drive up.
- This allows an individually adjustable adjustment of the transport speeds to different types of railway.
- the Overspeed to the transport speed of the tearing off the the preferential work surpasses, depending on the type of web for the tear-off needed measure to be adjusted.
- the pressure element in the salaried state is also the adaptability the tear-off to the transport speed of a subsequent processing device given.
- the adjusting means advantageously at least one displaceable Frame on which one or more of the pressure elements stored are.
- the pressure force can be with known elastic properties of the pressure elements, the material web and any conveyor belts depending on the embodiment by varying the Determining the adjustment path of the motor or the position of the frame. This is advantageous because different types of webs, for example, different friction coefficients may have different force or to separate the Perforation may be needed.
- the at least one frame is preferred by at least one second motor displaceable.
- Figure 1 shows a first embodiment of a tear-off with a Preference movement 10 and a tear-off 12.
- the preferred movement 10 and the tear-off 12 each have upper endless conveyor belts 14 and lower endless ones Conveyor belts 16 on. Between the conveyor belts 14 and 16 is a web 18 transported.
- the conveyor belts 14 and 16 run on pulleys 20 and are driven by drives 22 with drive control devices 24.
- the tear-off 12 has on the upper side of the web 18 three upper pressure rollers 26, those on the lower side of the material web 18th three lower pressure rollers 26 face.
- the pressure rollers 26 are each rotatably mounted on roller axles 28, the mounted on eccentrically mounted drive axles 30 in a frame 32 are. By means of a rotational movement of the corresponding drive axles 30 are the roller axles 28 with the pressure rollers 26 about the respective drive axle 30 swiveling.
- the upper and lower drive axles 30 are each over Gear wheels 34 ( Figure 3) power coupled and are driven by servo motors 36.
- the material web 18 is in a transport direction 38, which is indicated by an arrow is indicated, between the conveyor belts 14 and 16 of the tear-off 12 moves.
- the conveyor belts 14 and 16 of Abr predominantlywerkes 12 in the Figure 1 shown position of the pressure rollers 26 not with the material web 18th in engagement, so that the transport speed of the material web 18 through the Conveyor belts 14 and 16 of the preferred factory 10 is determined.
- the racks 32, in which the drive axles 30 are mounted are by second motors 40 in essentially displaceable perpendicular to the material web 18, wherein by the position the second motors 40, the distance of the racks 32 from each other is adjustable.
- the motors 40 may be, for example, linear motors act.
- the position of the servomotors 36 is with electronic control devices 42 specifically timed.
- the control devices 42 may be, for example to act programmable controllers.
- In every control device 42 is a control electronics 44 of a control circuit of the servomotor 36 integrated.
- the control loop has one arranged on the servo motor 36 or there integrated position sensor 46 ( Figure 4), the position of the servomotor 36 detects. While by the controller 42 of the adjustment and the timing of the servo motor 36 is programmable, controls the control electronics 44 by means of the position sensor 46, the respective current target position the servomotor 36.
- Figure 2 shows the tear-off of Figure 1, in which the upper and lower pressure rollers 26 are employed against each other. They are each pivoted about their drive axis 30.
- the material web 18 detected by the conveyor belts 14 and 16 of the tear-off unit 12 between the pressure rollers 26 is separated at a performed point indicated by an arrow X because of the increased transport speed v 2 of the tear-off unit 12 compared with the transport speed v 1 of the preferential work 10. It is a material portion 48 separated, which is removed during further transport of the rest of the web 18.
- the transport speeds v 1 can v 2 can be specified independently of one another as required via the drives 22.
- FIG. 3 shows an enlarged detail of the tear-off unit 12 from FIG. 1. Shown here are the gears 34, with which the drive axles 30 of upper and lower pressure rollers 26 are coupled. In Figure 3 is at the top and lower frame 32 each have the right gear 34 through the servomotor 36 covered. The servomotors 36 respectively drive the drive shafts 30 of the upper or lower pressure rollers 26 at.
- the gears 34 can for Power coupling of the drive axles 30, for example, toothed belt or other Means be provided.
- Figure 4 shows a cross section through a lower pressure roller 26 and the associated Servomotor 36 of Figure 3, corresponding to the marked in Figure 3 Level A.
- the pressure roller 26 is fitted with bearings 50 on the Roller shaft 28 rotatably mounted. At the ends of the roll axis 28 is eccentric each attached a portion of the drive shaft 30. Alternatively, the Roll axis 28 and the drive shaft 30 may be made in one piece.
- the drive shaft 30 is rotatably supported in bearings 52 in the frame 32.
- the Servomotor 36 which is held on a plate 54, not shown in Figure 3, drives the drive axle 30. On the servo motor 36, the position sensor 46th arranged.
- roller shaft 28 By means of a rotational movement of the drive shaft 30, the roller shaft 28 is in order the drive shaft 30 is pivoted.
- the rotatably mounted on the roller shaft 28 Pressure roller 26 can be employed against the opposite pressure roller 26 become.
- Figure 5 shows a partial section of the tear-off 12 of Figures 1 and 3 with the left two pinch rollers 26 in the parked state.
- the roller axles 28 with the drive axles 30, the bearings 50 of the pressure rollers 26 and the racks 32 and the conveyor belts 14 and 16 with the intervening located material web 18.
- the roller axles 28 touch the pressure rollers 26, the conveyor belts 14 and 16 not.
- conveyor belt 14 or 16 may also be so small that the pressure roller 26 is moved by the conveyor belt and about its roll axis 28 turns.
- Figure 6 shows the same view as Figure 5, but in which the pressure rollers 26 as in Figure 2 in a position employed on the conveyor belt 14 and 16 position are located.
- the pressure rollers 26 were about opposing rotational movements the respective drive axes 30 of the transport direction 38 opposite pivoted.
- the applied pressure rollers 26 are moved by the conveyor belts 14 and 16, respectively and rotate about their respective roller axis 28.
- the distance between the drive axles 30 so small that the pressure rollers 26 before their maximum vertical deflection abut each other, so that the drive axles 30 can not make a full turn. Therefore, the shutdown occurs a pressure roller 26 by means of movement of the servo motor 36 in reverse Direction of rotation as when hiring.
- Figure 7 shows the pressure rollers 26 also in an employed position, at However, they are deflected vertically maximally. This is made possible by that the racks 32 have a greater distance from one another than in FIG 6. In this way, an operation of the servo motor 36 with a fixed Direction of rotation possible because the drive axles 30 for stopping the pressure rollers 26 can continue to turn in the same direction as when hiring. On the one hand Thus, an extremely short period of the tearing process can be achieved by not stopping the servomotor 36. This can be for example be advantageous to brittle paper. On the other hand, by means of persistence of the roll axes 28 in the position shown in Figure 7 with salaried pressure rollers 26 also a longer period of time between turning on and off the pressure rollers 26 achievable.
- the position shown in FIG the racks 32 are adjusted by the second motors 40.
- the servo motor 36 is also in an operation of the servo motor 36 with a fixed direction of rotation an adjustment of the contact pressure of the pressure rollers 26 possible in the 6 already reached by means of the servomotor 36 can.
- the pressure force of the employed pressure rollers can be in known elastic properties of the pressure rollers, the material web and any conveyor belts by varying the adjustment of the servomotor 36 or the position of the second motor 40 determine.
- FIG. 8 shows a second embodiment with pressure elements 56, the cams in the form of roller segments 58 have. They are like the first Embodiment on both sides of the material web 18 respectively via gears 34 coupled and rotatably mounted on a frame 32.
- the pressure elements 56 are represented by the servomotors 36 in an arrow Direction of rotation driven.
- FIG. 8 shows the moment in which the roller segments 58 are employed against each other and with the conveyor belts 14 and 16 and the web 18 come into engagement. You then turn in the hired Condition further and transport the separated section of the web 18, wherein they are further driven or free with the conveyor belts 14 and 16 can be running.
- the salaried state ends the roller segments 58 after a rotation of about 180 °.
- the control devices 42 of the servo motors 36 is the time of the next Anstellvorgangs controllable.
- the racks 32 are vertically displaceable by means of second motors 40. To this Way, the contact pressure of the salaried roller segments 58 can be varied and made an adaptation to different thickness web materials become.
- only the Pressure rollers 26 or roller segments 58 on one side of the material web 18th be adjustable or stored on a movable frame 32.
- the racks 32 be coupled via a coupling linkage so that they can be adjusted synchronously are.
- the material web is opposite on both sides Pressure elements each arranged vertically to each other.
- the invention also includes such arrangements in which the pressure elements on both sides of the web in the transport direction relative to each other are arranged shifted, so that the material web in employed pressure elements undulating through the tear-off device.
Landscapes
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Advancing Webs (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
- Fig. 1
- eine schematische Seitenansicht einer Abreißeinrichtung mit anstellbaren Andruckwalzen, die jeweils auf einem Innenexzenter gelagert sind;
- Fig. 2
- die Abreißeinrichtung aus Figur 1 mit angestellten Andruckwalzen;
- Fig. 3
- einen Ausschnitt einer anderen schematischen Seitenansicht der Abreißeinrichtung aus Figur 1, bei der Zahnradstufen dargestellt sind, mit denen die Exzenter gekoppelt sind;
- Fig. 4
- einen Längsschnitt durch eine Andruckwalze aus Figur 3 mitsamt Lagerung und Motor;
- Fig. 5
- eine Detailansicht zweier Andruckwalzen aus Figur 3 in abgestellter Position;
- Fig. 6
- die Andruckwalzen aus Figur 5 in angestellter Position;
- Fig. 7
- die Andruckwalzen als Figur 5 in angestellter Position, bei der die Andruckwalzen jeweils maximal vertikal ausgelenkt sind; und
- Fig. 8
- eine schematische Seitenansicht einer Ausführungsform mit Walzensegmenten.
Claims (13)
- Abreißeinrichtung für Abschnitte (48) einer Materialbahn (18) mit einem Vorzugswerk (10) für den Transport der Materialbahn (18) und mit einem Abreißwerk (12), das mindestens zwei auf entgegengesetzten Seiten der Materialbahn (18) angeordnete Andruckelemente (26; 56) aufweist, von denen mindestens eines mittels einer Anstelleinrichtung gegen die Materialbahn (18) anstellbar ist, dadurch gekennzeichnet, daß die anstellbaren Andruckelemente (26; 56) als Exzenterwalzen ausgebildet sind und einzeln oder gemeinsam drehantreibbar sind.
- Abreißeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die anstellbaren Andruckelemente drehantreibbare Innenexzenter (28, 30) aufweisen, auf denen Andruckwalzen (26) drehbar gelagert sind.
- Abreißeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die anstellbaren Andruckelemente (56) Nocken (58) aufweisen, die gegen die Materialbahn (18) anstellbar sind.
- Abreißeinrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Nokken (58) die Form von Walzensegmenten haben.
- Abreißeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Anstelleinrichtung mindestens einen Motor (36) aufweist, durch den die Andruckelemente (26; 56) drehantreibbar sind.
- Abreißeinrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Anstelleinrichtung eine Steuereinrichtung (42) zur Zeitsteuerung der Bewegung des Motors (36) aufweist.
- Abreißeinrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Steuereinrichtung (42) eine programmierbare Steuereinrichtung ist, mit der die Zeitpunkte der An- und/oder Abstellbewegungen in Bezug auf den Transport der Materialbahn (18) einstellbar sind.
- Abreißeinrichtung nach einem der Ansprüche 6 oder 7, dadurch gekennzeichnet, daß der mindestens eine Motor (36) der Anstelleinrichtung über einen begrenzten Verstellweg in entgegengesetzte Richtungen antreibbar ist und die Verstellbewegungen des Motors (36) durch die Steuereinrichtung (42) zeitsteuerbar sind und, im Falle einer programmierbaren Steuereinrichtung (42), der Verstellweg des Motors (36) programmierbar ist.
- Abreißeinrichtung nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, daß der mindestens eine Motor (36) in eine Drehrichtung umlaufend mit variierbarer Geschwindigkeit antreibbar ist.
- Abreißeinrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die Geschwindigkeit des Motors (36) bis zum Stillstand variierbar ist.
- Abreißeinrichtung nach einem der Ansprüche 5 bis 10, dadurch gekennzeichnet, daß der Motor (36) ein Servomotor ist.
- Abreißeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß das Vorzugswerk (10) und das Abreißwerk (12) jeweils einen eigenen Antrieb (22) aufweisen.
- Abreißeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Anstelleinrichtung mindestens ein verschiebbares Gestell (32) aufweist, in dem eines oder mehrere der Andruckelemente (26 ; 56) gelagert sind.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20030008666 EP1471023B1 (de) | 2003-04-16 | 2003-04-16 | Abreisseinrichtung für Materialbahnen |
DE50301735T DE50301735D1 (de) | 2003-04-16 | 2003-04-16 | Abreisseinrichtung für Materialbahnen |
ES03008666T ES2250774T3 (es) | 2003-04-16 | 2003-04-16 | Dispositivo de rotura para bandas de material. |
AT03008666T ATE310701T1 (de) | 2003-04-16 | 2003-04-16 | Abreisseinrichtung für materialbahnen |
US10/820,258 US20040211807A1 (en) | 2003-04-16 | 2004-04-08 | Tear-off device for continuous materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20030008666 EP1471023B1 (de) | 2003-04-16 | 2003-04-16 | Abreisseinrichtung für Materialbahnen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1471023A1 true EP1471023A1 (de) | 2004-10-27 |
EP1471023B1 EP1471023B1 (de) | 2005-11-23 |
Family
ID=32946850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030008666 Expired - Lifetime EP1471023B1 (de) | 2003-04-16 | 2003-04-16 | Abreisseinrichtung für Materialbahnen |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040211807A1 (de) |
EP (1) | EP1471023B1 (de) |
AT (1) | ATE310701T1 (de) |
DE (1) | DE50301735D1 (de) |
ES (1) | ES2250774T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8157141B2 (en) * | 2006-06-14 | 2012-04-17 | Cryovac, Inc. | System and method for detecting and registering serrated bags |
US7540125B2 (en) * | 2007-03-26 | 2009-06-02 | Northfield Corporation | Bursting apparatus and method |
DE102008030489A1 (de) * | 2008-06-26 | 2009-12-31 | Krones Ag | Vorrichtung und Verfahren zum Herstellen von Einzelzuschnitten aus einer Folienbahn |
US9916980B1 (en) | 2016-12-15 | 2018-03-13 | Asm Ip Holding B.V. | Method of forming a structure on a substrate |
JP7252272B2 (ja) * | 2021-03-05 | 2023-04-04 | レオン自動機株式会社 | 捩り製品の成形方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2911132A (en) * | 1956-11-06 | 1959-11-03 | Strachan & Henshaw Ltd | Web severing devices in web feeding machines |
US4131272A (en) * | 1977-06-13 | 1978-12-26 | Paper Converting Machine Company | Method and apparatus for separating a continuous stream of connected business forms into exact count zig-zag folded stacks |
DE4113792A1 (de) * | 1991-04-26 | 1992-10-29 | Icoma Packtechnik Gmbh | Trenneinrichtung zum abtrennen perforierter papierschlauchabschnitte |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3220892A1 (de) * | 1982-06-03 | 1983-12-08 | Icoma Packtechnik GmbH, 7590 Achern | Trenneinrichtung zum abtrennen perforierter papierschlauchabschnitte |
US5388746A (en) * | 1990-11-09 | 1995-02-14 | Fmc Corporation | Separator/folder bag machine |
DE4243105C2 (de) * | 1992-12-18 | 1997-08-28 | Windmoeller & Hoelscher | Trenneinrichtung zum Abtrennen perforierter Schlauchabschnitte |
DE4440660C2 (de) * | 1994-11-14 | 1998-12-03 | Windmoeller & Hoelscher | Trenneinrichtung zum Abtrennen perforierter Schlauchabschnitte |
-
2003
- 2003-04-16 ES ES03008666T patent/ES2250774T3/es not_active Expired - Lifetime
- 2003-04-16 DE DE50301735T patent/DE50301735D1/de not_active Expired - Lifetime
- 2003-04-16 AT AT03008666T patent/ATE310701T1/de not_active IP Right Cessation
- 2003-04-16 EP EP20030008666 patent/EP1471023B1/de not_active Expired - Lifetime
-
2004
- 2004-04-08 US US10/820,258 patent/US20040211807A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2911132A (en) * | 1956-11-06 | 1959-11-03 | Strachan & Henshaw Ltd | Web severing devices in web feeding machines |
US4131272A (en) * | 1977-06-13 | 1978-12-26 | Paper Converting Machine Company | Method and apparatus for separating a continuous stream of connected business forms into exact count zig-zag folded stacks |
DE4113792A1 (de) * | 1991-04-26 | 1992-10-29 | Icoma Packtechnik Gmbh | Trenneinrichtung zum abtrennen perforierter papierschlauchabschnitte |
Also Published As
Publication number | Publication date |
---|---|
ATE310701T1 (de) | 2005-12-15 |
US20040211807A1 (en) | 2004-10-28 |
DE50301735D1 (de) | 2005-12-29 |
ES2250774T3 (es) | 2006-04-16 |
EP1471023B1 (de) | 2005-11-23 |
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