WO1998038018A1 - Verfahren und vorrichtung zum beschneiden von schneidgut aus papierwerkstoffen oder papierwerkstoffähnlichen, stapelbaren materialien - Google Patents
Verfahren und vorrichtung zum beschneiden von schneidgut aus papierwerkstoffen oder papierwerkstoffähnlichen, stapelbaren materialien Download PDFInfo
- Publication number
- WO1998038018A1 WO1998038018A1 PCT/DE1998/000546 DE9800546W WO9838018A1 WO 1998038018 A1 WO1998038018 A1 WO 1998038018A1 DE 9800546 W DE9800546 W DE 9800546W WO 9838018 A1 WO9838018 A1 WO 9838018A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cutting
- cut
- control
- trimming
- knives
- Prior art date
Links
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
- B26D1/01—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
- B26D1/09—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 with a plurality of cutting members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
-
- 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
- B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
- B26D2007/0081—Cutting on three sides, e.g. trilateral trimming
Definitions
- the invention relates to a method for trimming material to be cut made of paper materials or materials similar to paper material, in which, in cyclically recurring cutting cycles of a cutting device, two sides of the material to be cut can be cut at the same time and a third side thereof out of phase, and further upstream or subsequent process steps are carried out at least to implement the transport of the material to be cut.
- the invention further relates to a device for trimming material to be cut from paper materials or paper material-like, stackable materials, consisting of a cutting device receiving three cutting knives, in which two side knives cut at least three sides of the material to be cut simultaneously and one front knife out of phase, and further mechanisms for realization at least the transport functions of the material to be cut.
- Cutting machines are known in which the cutting, pressing and positioning movements are mechanically inevitably carried out.
- a cutting device is proposed, which form a mechanically positive cutting machine in the case of mechanical forced coupling with loading and unloading devices (for example cam-controlled insertion and delivery systems).
- loading and unloading devices for example cam-controlled insertion and delivery systems.
- Such machines are widely used both in brochure ranges (inline machines) and less frequently than single machines (offline). In this way, an inevitable functional sequence can be achieved on these machines with simple mechanical means.
- the disadvantage here is that one determined by the mechanical forced operation Sequence of work cannot be changed by the operator.
- the technological sequence once planned e.g. conveying stacks from the magazine into the cutting station, pressing, cutting on three sides, releasing the pressure, laying out the stack
- Machines with so-called sequence control and mechanically inevitable cutting units are also known.
- the cutting units, the pressing, the slide-in systems and possibly the delivery are controlled by separate drives.
- the linkage is done by a controller, whereby certain movements must be completed or positions must be reached before the next drive is set in motion.
- several operating modes can be achieved through different control sequences. Continuous operation is customary, with one operator feeding the material to be cut into the insertion system, after which the stack is trimmed fully automatically and then laid out for a second operator.
- the return operation is also known, in which the finished trimmed stack is transported back to the operator so that the machine can be operated by only one person.
- Multi-panel trimming is common, in which two or three panels are cut out of a raw format by means of suitable technological sequences using additional components.
- multiple-use trimming has so far only been used for manual tongs loading and only on offline machines, so that additional separating saws must be used on brochure sections.
- machines with sequential control have been used in which the cutting device can be moved into only one fixed position (basic position) during the cyclically recurring processing cycle.
- the automatic approach to a further position is provided for the knife change. This is chosen so that all knives can be changed without collision is.
- On all known machines of this type only the cyclically recurring approach to a position determined by the machine manufacturer is possible during the processing cycle, as a result of which only a few technological sequences can be achieved.
- DE 41 10 621 AI discloses a device with a non-uniformity gear of degree 2 for moving both types of knives, the first degree being bound by a main and the second degree by a power take-off.
- this drive principle the majority of the energy required can be provided by a main drive supported by a flywheel, so that the network loads and connection expenses are kept low.
- the high outlay for realizing this solution is disadvantageous.
- book blocks are produced by a booklet stretch (gathering machine, perfect binder, three-knife cutting machine).
- the spine previously cut on the perfect binder is cut off using a Lumbeck cutter.
- the advantage here is that the block thickness that can be achieved up to three cuts satisfies all requirements.
- the disadvantage is that the Lumbeck cutter can only cut a small block thickness, so that the bound book block must be manually separated into smaller blocks with a high amount of work.
- each cyclically recurring cutting cycle of a mechanically inevitable cutting device can be interrupted cyclically in at least one position of the cutting knife of the cutting device in accordance with a selectable, predetermined program sequence, that the cutting cycle determined by the mechanical forced movement of the cutting device in the position of the cutting knife reached by the interruption can be continued according to the program sequence, the same cutting material being processed further in or without a changed position or a different cutting material and / or that each interrupted phase of the Cutting cycle for processing the same, changed position or different material to be cut can be repeated as often as required before starting the respective processing cycle.
- the cutting sequence of the cutting knives can be reversed and / or varied as desired and the position of the cutting knives changed by interrupting the cutting cycle in a predetermined position.
- the direction of rotation for the movement of the cutting knives is optionally reversed from one position to another.
- the material to be cut is cut on four sides, the two parallel sides of the material to be cut are cut simultaneously and the third side is out of phase, that the material to be cut on three sides is then automatically removed from the cutting device and repositioned, while the cutting device moves into such a position that after the slot is inserted again Material to be cut into the cutting station the fourth side can be trimmed.
- the four-sided trimming of the material to be cut is effected in that after the three sides have been trimmed, the third side is cut repeatedly, and then the material to be cut is automatically removed from the cutting station and repositioned, and in that after a new insertion of the material to be cut into the cutting station, the fourth side of the material to be cut is trimmed.
- a new processing technology of the material to be cut is achieved within a production line in that after the compilation of the material to be cut by means of a collating machine and automatic transport to the cutting device, the four-sided trimming of the material to be cut is carried out in the oscillating cut.
- This saves operations such as gluing the book block or brochure and cutting off the back after trimming three sides using a Lumbeck cutter.
- the disadvantage of the Lumbeck cutter (trimming only small block heights is possible) is avoided, so that there is no need to split large blocks into several small ones, which in turn minimizes the work involved in producing blocks trimmed on four sides and the like.
- the method can also be used advantageously if, after the four-sided trimming of the material to be cut and automatic transport to a downstream wire comb binding machine, the material to be cut is bound with a wire comb.
- a new technological process sequence of a cutting machine integrated in a brochure section is also achieved in that a blank is first cut out from a raw format by double-sided cutting, then the raw format residue is automatically removed from the cutting station, that the first crop is then trimmed, and then the raw format residue automatically fed to the cutting station for three-sided trimming and / or for cutting off and trimming a further benefit.
- the trimming can be carried out in connection with at least one drilling operation of the material to be cut.
- the material to be cut can be trimmed on three or four sides at the same time or in succession and provided with a perforation for a ring binding.
- the positions of the cutting knives of the cutting device, in which the cutting cycle is interrupted can be changed manually as desired by the operator.
- the object is further achieved by a device according to the preamble of claim 11 in that the cutting device has at least one control loop or a control for interrupting the movement of the cutting knives and at least one control loop or control for positioning the material to be cut that the control loops and / or controls are designed and arranged in such a way that at least one positioning device and the knives of the cutting device can assume their positions determined by a selectable, predetermined program sequence at the same time or in succession, both devices being able to pass through their positions several times or not at all during a processing cycle, and that the synchronization of the cutting and the positioning device takes place by means of a central control or system regulation.
- the cutting device according to the invention can advantageously be used in particular with regard to saving costs and time in all known embodiments of cutting machines.
- the control loops or controls in conjunction with the machine control or system control and the programming device allow the cutting device to be used both inline and in offline mode with any sequence of the cutting sequence or the working cycle.
- the construction of the cutting device in connection with the positioning device takes place in a cost-effective manner, since expensive electronic control units are eliminated.
- the at least one control circuit or the at least one control for the defined interruption of the movement of the cutting knives essentially comprises at least one position detection element, means for interrupting the movement of the cutting knives, a control element and a machine control or system regulation.
- the means for interrupting the movement of the cutting blades are designed as a clutch / brake combination.
- This structurally simple design allows a safe interruption of the movement of the cutting knives in any given position with precisely positioned material to be cut.
- the exact positioning of the material to be cut is likewise carried out in a structurally simple manner in that the at least one control circuit or the at least one controller for positioning the material to be cut essentially comprises at least one positioning system connected to a feed device and servo-driven and a linking unit.
- control element of the control circuit or of the control for the cutting knives is designed in such a way that it can carry out a stepless regulation of the driving forces or moments transmitted to the cutting knives.
- a further development of the device according to the invention provides that the positioning system between a stack magazine and a tongs loading station is arranged.
- the material to be cut can be fed on the way from the stacking magazine to the tongs loading station or from the cutting device to the tongs loading station into any position of the tongs loading station which is predetermined with regard to the position of the cutting knives.
- the servo-driven positioning system in combination with the machine control or system control is designed such that the material to be cut can be moved into any position between the stacking magazine and the tongs loading station and these positions can be reproduced as often as desired with the same or different material to be cut.
- control element of the control loops and / or the controls is designed such that the positioning device is deactivated for manual loading of the tongs loading station. This significantly increases the versatility of the cutting device because manual loading, for example for trimming individual books or brochures, can be carried out.
- the means for interrupting the movement of the cutting knives are designed such that the cutting knives are above the material to be cut in the interrupted state of their movement , with the front knife in at least one position and the side knife in at least one further position in the initial region of the movement toward the material to be cut.
- the control device is designed so that the assignment of the interruptions in the movement of the cutting knives to the cyclically recurring cutting cycle and the positions of the material to be cut can be changed manually by operator selection.
- a protective device is also provided between the tongs loading station and the cutting device, which stops the cutting device when bodies which are not approved are fed into the cutting station.
- an additional device can be connected to the cutting device for separating and trimming several blanks from a raw format, which is designed and coupled to the control loops or controls in such a way that the separated raw format after the first cut of the side knives transported back to the tongs loading station and there again automatically fed to the tongs loading station by means of the positioning device, during which time the front knife is trimmed before or after the first use.
- This additional device which can be arranged on the cutting machine, also ensures that the cutting machine can be assigned to any processing technologies in a cost-effective and time-saving manner in inline operation. It is also advantageous that this assignment ensures that the material to be cut can be trimmed with high precision, the maximum possible height of the material to be cut being used.
- the separation of the raw format into two or more uses is carried out on the three-knife cutting machine as advantageously as a four-sided bleed.
- a further preferred embodiment provides that for the four-sided trimming of the material to be cut, an additional device can be connected to the tongs coating station, which is designed as a rotary gripper system and is coupled to the control loops or controls so that after the three-sided trimming of the material to be cut it moves back to the tongs loading station is rotated there into the corresponding position and fed to the cutting device again.
- an additional device can be connected to the tongs coating station, which is designed as a rotary gripper system and is coupled to the control loops or controls so that after the three-sided trimming of the material to be cut it moves back to the tongs loading station is rotated there into the corresponding position and fed to the cutting device again.
- variable usability of the cutting machine is also ensured by the fact that the loading and unloading processes are carried out with one or more tongs loading systems, in which a switch between manual and automatic tongs loading is possible.
- the invention provides that means for reversing the direction of rotation of the driving shaft, preferably in the form of a reversing clutch, are arranged within the drive system of the cutting device.
- 1 is a schematic representation of a cutting device for trimming at least three sides
- FIG. 2 shows the schematic representation of a cutting machine according to the invention
- 3 shows the schematic representation of the cutting machine according to the invention during the cutting of several blanks from a raw format (separating cut) with fully automatic operation
- Fig. 5 shows the movement diagram of the knife and the material to be cut on four sides and triple change of
- Fig. 6 shows the movement diagram of the knife and the material to be cut with four sides and changing twice
- Fig. 1 shows schematically a cutting device.
- two cutting mechanisms for the side knives 5 and the front knife 4 are arranged in a machine body 1, to which a cutting table, which characterizes a cutting station 2, for receiving the material to be cut 3 is assigned. Both mechanisms are inevitably connected to one another by mechanical means by means of a gear 6.
- the main shaft 9 of the cutting device is connected to a clutch / brake combination 7, controlled by a control element 20, with a flywheel and pulley, which is operatively connected to a motor 10 via a belt drive 8.
- a position sensor 19 is inevitably connected to the main shaft 9 and, like the control element 20, is in operative connection with the machine control 21.
- Fig. 2 shows a sectional view of the essential parts of a cutting machine according to the invention.
- a feed belt 11 is attached, at one end of which there is a stack magazine 12.
- a positioning system 13 is arranged so that it is in Operational connection with an intermediate station 14 and a gripper loading station 15 is.
- a plier slide-in positioning system 16 with positioning stops 17 is arranged between this and the cutting station 2.
- the material to be cut 3 is located in the cutting station 2.
- Fig. 3 shows a sectional view of the cutting machine with fully automatic operation for multiple-benefit cutting.
- a feed belt 11 is attached, at one end of which there is a stack magazine 12.
- a positioning system 13 is arranged below the stack magazine 12 in such a way that it is in operative connection with an intermediate station 14 and a tongs loading station 15. Between this and the cutting station 2, a tong insertion positioning system 16 with positioning stops 17 is arranged.
- a delivery belt 18 is located on the other side of the machine body 1.
- a raw format 22 is shown in each of the individual function stations 11, 12, 14, 15.
- the finished product 24 is located in the cutting station 2, and the separated raw format 23 is located on a transport system (not shown) next to the cutting station 2.
- a link unit 27 and a comparator 29 are implemented within the machine controller 21, which is designed as a memory-programmed controller (PLC).
- the linking unit is in operative connection with an operating unit 28, while the comparator interacts with the position transmitter 19, which detects the position of the clutch brake system 7 of the cutting device by means of a mechanical connection.
- a control element 20 is connected between the comparator 29 and the clutch-brake system 7.
- the drive 25, here designed as a servo motor, is mechanically connected to the positioning system 13.
- a servo unit 26 is connected between the linking unit 27 and the drive 25.
- the motor 10 can be non-positively connected to the main shaft 9 of the cutting device by means of the control element 20.
- the cutting knives 4, 5 are set in motion, as a result of which the cutting knives 4 and 5 are cut out of phase.
- the position transmitter 19 transmits the positions reached in each case to the machine control 21, which exerts influence on the frictional connection between the clutch / brake combination 7 and the main shaft 9 via the control element 20.
- the frictional connection can not only be produced, but the transmissible torque can also be changed. This results in a smooth engagement and disengagement and regulation of the position and speed of the material to be cut 3. Different positions can be approached reproducibly.
- the material to be cut 3 is fed into the stacking magazine 12 via a feed belt 11, from which it is conveyed with the positioning system 13 via the intermediate station 14 into the tongs loading station 15.
- the material to be cut 3 is gripped and transported into the cutting station 2, after which the pressing is carried out with a pressing device (not shown).
- the side knives 5 can be cut and the front knife 4 can be out of phase. If the cutting sequence is to be reversed, the cutting device is moved to a different position during a set-up cycle, after which the front knife 4 first cuts without changing the direction of rotation of the main shaft 9.
- the trimmed material 3 to be trimmed on three sides is conveyed back by means of the tong insertion positioning system 16 into the tong loading station 15, where a manual or by means of a rotary gripper system not shown in the drawing in automatic turning takes place. During this time, the cutting knives 4, 5 are moved into a position in which the side knives 5 have already been trimmed. It is also possible for the side knives 5 to cut a second time on the trimmed material 3, as a result of which the required position is reached. This is followed by the turning process of the material to be cut 3 and the renewed insertion, the pressing of the material to be cut and the cutting of the front knife 4.
- setpoints are recorded on the operating unit 28 and fed to the linking unit 27.
- Corresponding control signals are transmitted from this to the servo unit 26, which controls the drive 25 of the positioning system 13.
- the position sensor 19 detects the position of the clutch brake system 7 and transmits the actual values to the comparator 29, which controls a control element 20 of the clutch brake system 7 with corresponding switching signals.
- Different technological sequences as shown and described by way of example in FIGS. 2, 3, 5 and 6, can thus be achieved by specifying different setpoints or different combinations.
- the four-side trimming method is explained in more detail with reference to FIGS. 5 and 6.
- 5 illustrates one of the possible methods for four-sided trimming.
- the time is plotted on the abscissa x and the knife stroke and the movement sequence of the material to be cut 3 are plotted on the ordinate y.
- the cutting knives 4, 5 are stopped .
- the material to be cut 3 is then conveyed from the cutting station 2 into the tong loading station 15.
- the cutting device is then moved into the position in which the front knife 4 is in the downward movement. Now you can insert it again of the material to be cut 3, which has now been turned manually or automatically, after which the front knife 4 is cut.
- the cutting cycle can start again after the feed system has been transported back.
- FIG. 6 Another possible method for four-sided trimming is explained with the aid of FIG. 6.
- a three-sided trimming characterized by a cutting movement first of all by the side knife 5 and out of phase by the front knife 4.
- the cutting device continues to move into the position in which the front knife 4 moves downward. There it is stopped.
- the side knives 5 run a second time on the material 3 to be cut and still located in the cutting station 2.
- the material to be cut 3 is then conveyed from the cutting station 2 into the tongs loading station 15. Now the cut material 3, which has meanwhile been rotated manually or automatically, is inserted again, after which the front knife 4 is cut.
- the cutting cycle can start again after the feed system has been transported back.
- Such a cutting method for four-sided trimming is particularly interesting when it is integrated into corresponding production lines.
- One possibility is the inline-linked four-sided trimming behind a collating machine, for example for the production of loose-leaf collections. Since these are often in ring binders or the like a minimum of two holes must be drilled in the stack. For this, at least one drill must be provided before, after or during the four-sided trimming.
- the side cutters 5 are used to cut the raw format 22 and then to transport the separated raw format remainder 23 back using a transport system (not shown).
- This can be a carriage which is positively connected to the tongs loading station 15.
- the front knife 4 is cut to produce the finished product 24 and, at the same time, the separated raw format remainder 23 is automatically positioned in the forceps inserting positioning system 16 by means of the positioning system 13 and the positioning stops 17.
- the finished product 24 has been trimmed, this is done by the separated raw format residue 23 transported by the tongs insertion positioning system 16 is laid out on the delivery belt 18. Then either a normal three-sided trimming or another separating cut takes place.
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59802716T DE59802716D1 (de) | 1997-02-28 | 1998-02-21 | Verfahren und vorrichtung zum beschneiden von schneidgut aus papierwerkstoffen oder papierwerkstoffähnlichen, stapelbaren materialien |
EP98913520A EP0963281B1 (de) | 1997-02-28 | 1998-02-21 | Verfahren und vorrichtung zum beschneiden von schneidgut aus papierwerkstoffen oder papierwerkstoffähnlichen, stapelbaren materialien |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19710303.0 | 1997-02-28 | ||
DE19710303 | 1997-02-28 | ||
DE19720042.7 | 1997-04-30 | ||
DE19720042A DE19720042C2 (de) | 1997-02-28 | 1997-04-30 | Verfahren und Vorrichtung zum Beschneiden von Schneidgut aus Papierwerkstoffen oder papierwerkstoffähnlichen, stapelbaren Materialien |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998038018A1 true WO1998038018A1 (de) | 1998-09-03 |
Family
ID=26034802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1998/000546 WO1998038018A1 (de) | 1997-02-28 | 1998-02-21 | Verfahren und vorrichtung zum beschneiden von schneidgut aus papierwerkstoffen oder papierwerkstoffähnlichen, stapelbaren materialien |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0963281B1 (de) |
WO (1) | WO1998038018A1 (de) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE366396A (de) * | ||||
DE669022C (de) * | 1938-12-17 | Karl Krause Fa | Maschine zum Beschneiden und Teilen von Papierbogenstapeln, Schreibheften u. dgl. mit drei oder mehreren Messern | |
DE731341C (de) * | 1939-09-30 | 1943-02-08 | Karl Krause Fa | Schneidemaschine mit mehreren Messern, z.B. Dreischneider, zum Beschneiden von Papier-, Buch- u. dgl. Stapeln |
GB2000463A (en) * | 1977-07-02 | 1979-01-10 | Grapha Holding Ag | Machine for cutting paper sheets |
DE2911473A1 (de) * | 1979-03-23 | 1980-09-25 | H J Duerselen Kg | Verfahren zum schneiden von stapeln aus schneidgut sowie vorrichtung zur durchfuehrung dieses verfahrens |
DE3302946A1 (de) * | 1982-02-05 | 1983-08-18 | H. Wohlenberg KG - GmbH & Co, 3000 Hannover | Drei-messer-schneidemaschine |
DE3920557A1 (de) * | 1989-06-23 | 1991-01-10 | Wohlenberg Kg H | Verfahren zur dynamischen leistungsanpassung einer schneidmaschine sowie schneidmaschine selbst |
DE4227508A1 (de) * | 1992-08-20 | 1994-02-24 | Am Wohlenberg Gmbh | Vorrichtung zum Schneiden von gestapelten Papierbögen, Pappen o. dgl. |
EP0641630A1 (de) * | 1993-09-06 | 1995-03-08 | Adolf Mohr Maschinenfabrik GmbH & Co. KG | Verfahren und Vorrichtung zur Ueberwachung und Registrierung der Arbeitsabläufe an Papierschneidemaschinen |
EP0740983A1 (de) * | 1995-05-04 | 1996-11-06 | Wohlenberg Vertriebs- und Service GmbH | Dreischneider |
-
1998
- 1998-02-21 EP EP98913520A patent/EP0963281B1/de not_active Expired - Lifetime
- 1998-02-21 WO PCT/DE1998/000546 patent/WO1998038018A1/de active IP Right Grant
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE366396A (de) * | ||||
DE669022C (de) * | 1938-12-17 | Karl Krause Fa | Maschine zum Beschneiden und Teilen von Papierbogenstapeln, Schreibheften u. dgl. mit drei oder mehreren Messern | |
DE731341C (de) * | 1939-09-30 | 1943-02-08 | Karl Krause Fa | Schneidemaschine mit mehreren Messern, z.B. Dreischneider, zum Beschneiden von Papier-, Buch- u. dgl. Stapeln |
GB2000463A (en) * | 1977-07-02 | 1979-01-10 | Grapha Holding Ag | Machine for cutting paper sheets |
DE2911473A1 (de) * | 1979-03-23 | 1980-09-25 | H J Duerselen Kg | Verfahren zum schneiden von stapeln aus schneidgut sowie vorrichtung zur durchfuehrung dieses verfahrens |
DE3302946A1 (de) * | 1982-02-05 | 1983-08-18 | H. Wohlenberg KG - GmbH & Co, 3000 Hannover | Drei-messer-schneidemaschine |
DE3920557A1 (de) * | 1989-06-23 | 1991-01-10 | Wohlenberg Kg H | Verfahren zur dynamischen leistungsanpassung einer schneidmaschine sowie schneidmaschine selbst |
DE4227508A1 (de) * | 1992-08-20 | 1994-02-24 | Am Wohlenberg Gmbh | Vorrichtung zum Schneiden von gestapelten Papierbögen, Pappen o. dgl. |
EP0641630A1 (de) * | 1993-09-06 | 1995-03-08 | Adolf Mohr Maschinenfabrik GmbH & Co. KG | Verfahren und Vorrichtung zur Ueberwachung und Registrierung der Arbeitsabläufe an Papierschneidemaschinen |
EP0740983A1 (de) * | 1995-05-04 | 1996-11-06 | Wohlenberg Vertriebs- und Service GmbH | Dreischneider |
DE19516047A1 (de) * | 1995-05-04 | 1996-11-07 | Wohlenberg Vertriebs Und Servi | Dreischneider |
Also Published As
Publication number | Publication date |
---|---|
EP0963281A1 (de) | 1999-12-15 |
EP0963281B1 (de) | 2001-11-21 |
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