EP0933321B1 - Folding apparatus with early warning system for recognizing jams and method used therefor - Google Patents
Folding apparatus with early warning system for recognizing jams and method used therefor Download PDFInfo
- Publication number
- EP0933321B1 EP0933321B1 EP98123034A EP98123034A EP0933321B1 EP 0933321 B1 EP0933321 B1 EP 0933321B1 EP 98123034 A EP98123034 A EP 98123034A EP 98123034 A EP98123034 A EP 98123034A EP 0933321 B1 EP0933321 B1 EP 0933321B1
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- EP
- European Patent Office
- Prior art keywords
- signatures
- signature
- folder
- sensors
- sensor
- 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
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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
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
- B65H43/04—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable detecting, or responding to, presence of faulty articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
- B65H2511/24—Irregularities, e.g. in orientation or skewness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/41—Photoelectric detectors
Definitions
- the present invention relates generally to folders of printing machines and in particular folders with a detection system for paper jams and a Methods of sensing such paper jams.
- US 4,578,052 A describes an apparatus and a method for determining Deviations in folded sheets.
- the device has sensors which the Check the folds of folded sheets according to those on the sheets Marks were folded. This device therefore requires a special one Marking the sheets or signatures to be folded and only checks after each Folding process, whether the folds were formed in a corresponding manner. The edges of the Signatures are not scanned by this device.
- US 4,573,671 A describes a device for braking signatures before they are folded in a folding device producing a second longitudinal fold. This Folding device has no device for detecting deviations.
- JP 05-077 967 A describes a folder according to the preamble of claim 1 and a method according to the preamble of claim 4.
- the present invention provides a folder with the identifiers Features of claim 1 in conjunction with its preamble and a Method with the characterizing features of claim 4 in connection with its generic term.
- the present invention thus enables quick and easy monitoring a whole stream of sheets or signatures in the folder. There are not any Markings on the signatures required. This is an efficient early detection possible problems in the folder guaranteed. If the machine operator has too large deviations of the successive signatures are forewarned, then he can correct these deviations before there is a jam and products too Become waste.
- each set of sensors includes a laser emitter and one Receiver diode in the form of a pair of sensors for scanning the signature edges.
- the outputs of the sensors are fed into a junction box, the one Receives connector from a data storage card.
- a computer with one Standard microprocessor and the data storage card with appropriate software can then analyze the output of the sensor to an incline or a To identify the difference in distance.
- the monitor of the computer delivers the Information that shows where the error occurred in the folder. Because several Sets of sensors are arranged in the folder, the problem area from Operator can be quickly narrowed down.
- the folder also includes a cutting cylinder.
- One of the sets of sensors is arranged directly behind the cutting cylinder.
- the desired path and distance of the signatures from each other as well as the permitted value the error or the deviation, d. H. the tolerance value of the system can by be predetermined for the operator.
- the desired path can also be based on a Sampling of signatures can be determined, and the tolerance value of the system can be set to the basis of a standard deviation determined by a statistical analysis be determined.
- the method comprises the steps of automatically braking the Signature stream when an error message has been issued. This prevents a large amount of printed signatures become unusable. Thus a significant savings in paper and other materials can be achieved.
- the error message that is output identifies one or more of the places where the Deviation occurred.
- the method also includes the step of predetermining the tolerance value.
- Fig. 1 shows a paper web 1, which enters a folder 2. Through a Cutting cylinder 5, the web 1 is cut and a stream of signatures 8 generated. The signatures 8 can then by folding elements 10, 11, 12 and 13 in be folded as desired and the signature stream is converted into one of two Entrances 20 and 22 passed a folding device in which the second longitudinal fold is produced.
- the sensor set 50 is located immediately downstream of the Cutting cylinder and sensor sets 52 and 54 are each immediately located upstream of the folding devices 30, 32 executing the second longitudinal fold.
- Each Sensor set includes a respective laser emitter and a receiving diode, which are on both Sides of the centerline of a desired signature path are arranged as shown by the laser emitter 50A and the receiving diode 50B is indicated in FIG. 1.
- Everyone Sensor set is first connected to a computer 40 Junction box 42 moves through so that the computer can determine which one Sensor has detected a signature deviation.
- FIGS. 7 show a top view and a side view of a stream of FIG Signatures 7, which are formed by a pair of sensor sets 50 located next to one another and 53 are scanned.
- Each signature has a leading edge 7A and one Trailing edge 7B and preferably follows a desired path with path edges 70A and 70B.
- the sensor set 50 includes a laser emitter 50A and one Receive diode 50B which are each arranged on one side of the signature 7, and the Laser emitter 50A emits a laser beam that is emitted from receiving diode 50B is recorded.
- the space between successive signatures is determined by a distance 80.
- the sensors 50 and 53 form a sensor set through which the signature leading edge 7A and / or Signature trailing edge 7B and thus the signature stream is monitored. For example monitored by the computer whether between when the sensor 50 the Leading edge 7A scans and the time when the sensor 53 the leading edge 7A scans, there is a time difference. If the time difference is zero, then located the signature is in a position perpendicular to the funding line, d. H. there is none Skew.
- the computer program can thus on an assigned display device (not shown) that there is a 0,000 inclination.
- the rear edge the signature can be scanned in the same way.
- Fig. 3 shows an oblique signature 7 with its front edge 7A and Trailing edge 7B.
- An inclined position 95 of the signature 7 is determined when the Signature leading edge 7A is scanned by the sensor 50 and the sensor 53 and the Sensor 53 the signature leading edge 7A at a later time than the sensor 50 detected and thus a certain time difference is determined.
- Through the computer then via a coding device attached to the cutting cylinder Signature speed monitored and the value of the speed at the time difference multiplied to give the extent, i. H. the value of Determine the bank angle that can be displayed. Depending on the extent the incline can then take further steps, such as braking or stopping Printing press initiated.
- the distance between the successive signatures can also be monitored as shown in FIG. 4.
- Either sensor 50 or sensor 53 (or both or an average signal from both) can be used to measure each Front edge 7A, 8A, 9A and rear edge 7B, 8B and 9B of signatures 7, 8 and 9 scan.
- the time difference between the tracing of the trailing edge 9B and the Scanning the leading edge 8A can thus determine a distance difference 85 be used between the signatures 9 and 8
- the time difference between the Scanning the trailing edge 8B and scanning the leading edge 7A can be used to determine a distance difference 80 between the signatures 8 and 7 can be used.
Description
Die vorliegende Erfindung betrifft im allgemeinen Falzapparate von Druckmaschinen und im besonderen Falzapparate mit einem Erkennungssystem für Papierstaus und ein Verfahren zum Abtasten solcher Papierstaus.The present invention relates generally to folders of printing machines and in particular folders with a detection system for paper jams and a Methods of sensing such paper jams.
US 4,578,052 A beschreibt eine Vorrichtung und ein Verfahren zur Bestimmung von Abweichungen bei gefalzten Bogen. Die Vorrichtung weist Sensoren auf, welche die Falze von gefalzten Bogen prüfen, die gemäß den auf den Bogen vorhandenen Markierungen gefalzt wurden. Diese Vorrichtung erfordert also eine besondere Markierung der zu falzenden Bogen oder Signaturen und prüft lediglich nach jedem Falzvorgang, ob die Falze in entsprechender Weise gebildet wurden. Die Kanten der Signaturen werden durch diese Vorrichtung nicht abgetastet.US 4,578,052 A describes an apparatus and a method for determining Deviations in folded sheets. The device has sensors which the Check the folds of folded sheets according to those on the sheets Marks were folded. This device therefore requires a special one Marking the sheets or signatures to be folded and only checks after each Folding process, whether the folds were formed in a corresponding manner. The edges of the Signatures are not scanned by this device.
US 4,573,671 A beschreibt eine Vorrichtung zum Abbremsen von Signaturen, bevor diese in einer einen zweiten Längsfalz erzeugenden Falzeinrichtung gefalzt werden. Diese Falzeinrichtung verfügt über keine Einrichtung zur Erkennung von Abweichungen.US 4,573,671 A describes a device for braking signatures before they are folded in a folding device producing a second longitudinal fold. This Folding device has no device for detecting deviations.
JP 05-077 967 A beschreibt einen Falzapparat nach dem Oberbegriff des Anspruchs 1 und ein Verfahren nach dem Oberbegriff des Anspruchs 4.JP 05-077 967 A describes a folder according to the preamble of claim 1 and a method according to the preamble of claim 4.
Die vorliegende Erfindung sieht einen Falzapparat mit den Kennzeichnenden Merkmalen des Anspruchs 1 in Verbindung mit dessen Oberbegriff und ein Verfahren mit den Kennzeichnenden Merkmalen des Anspruchs 4 in Verbindung mit dessen Oberbegriff vor.The present invention provides a folder with the identifiers Features of claim 1 in conjunction with its preamble and a Method with the characterizing features of claim 4 in connection with its generic term.
Die vorliegende Erfindung ermöglicht also ein schnelles und müheloses Überwachen eines ganzen Stroms von Bogen oder Signaturen im Falzapparat. Es sind keine Markierungen auf den Signaturen erforderlich. Somit ist eine effiziente Früherkennung möglicher Probleme im Falzapparat gewährleistet. Wenn der Maschinenbediener über zu große Abweichungen der aufeinanderfolgenden Signaturen vorgewarnt ist, dann kann er diese Abweichungen korrigieren, bevor es zu einem Stau kommt und Produkte zu Makulatur werden.The present invention thus enables quick and easy monitoring a whole stream of sheets or signatures in the folder. There are not any Markings on the signatures required. This is an efficient early detection possible problems in the folder guaranteed. If the machine operator has too large deviations of the successive signatures are forewarned, then he can correct these deviations before there is a jam and products too Become waste.
Vorzugsweise umfaßt jeder Satz von Sensoren einen Laserstrahler und eine Empfangsdiode in Form eines Sensorpaares zum Abtasten der Signaturkanten.Preferably, each set of sensors includes a laser emitter and one Receiver diode in the form of a pair of sensors for scanning the signature edges.
Die Outputs der Sensoren werden in einen Anschlußkasten geleitet, der einen Steckverbinder von einer Datenspeicherkarte aufnimmt. Ein Computer mit einem Standard-Mikroprozessor und die Datenspeicherkarte mit entsprechender Software können dann den Output des Sensors analysieren, um eine Schräglage oder einen Abstandsunterschied zu identifizieren. Der Monitor des Computers liefert die Information, die aufweist, wo der Fehler im Falzapparat aufgetreten ist. Da mehrere Sätze von Sensoren im Falzapparat angeordnet sind, kann der Problembereich vom Bediener rasch eingegrenzt werden.The outputs of the sensors are fed into a junction box, the one Receives connector from a data storage card. A computer with one Standard microprocessor and the data storage card with appropriate software can then analyze the output of the sensor to an incline or a To identify the difference in distance. The monitor of the computer delivers the Information that shows where the error occurred in the folder. Because several Sets of sensors are arranged in the folder, the problem area from Operator can be quickly narrowed down.
Der Falzapparat umfaßt auch einen Schneidzylinder. Einer der Sätze von Sensoren ist direkt hinter dem Schneidzylinder angeordnet.The folder also includes a cutting cylinder. One of the sets of sensors is arranged directly behind the cutting cylinder.
Der gewünschte Pfad und Abstand der Signaturen voneinander sowie der erlaubte Wert des Fehlers oder der Abweichung, d. h. der Toleranzwert des Systems, können durch den Bediener vorbestimmt werden. Der gewünschte Pfad kann auch auf der Basis einer Abtastung von Signaturen bestimmt werden, und der Toleranzwert des Systems kann auf der Basis einer durch eine statistische Analyse ermittelten Standard-Abweichung bestimmt werden. The desired path and distance of the signatures from each other as well as the permitted value the error or the deviation, d. H. the tolerance value of the system, can by be predetermined for the operator. The desired path can also be based on a Sampling of signatures can be determined, and the tolerance value of the system can be set to the basis of a standard deviation determined by a statistical analysis be determined.
Das Verfahren umfaßt die Schritte des automatischen Abbremsens des Signaturstroms, wenn eine Fehlermeldung ergangen ist. Dadurch wird verhindert, daß eine große Menge von bedruckten Signaturen unbrauchbar wird. Somit kann eine bedeutende Einsparung an Papier und anderen Materialien erzielt werden.The method comprises the steps of automatically braking the Signature stream when an error message has been issued. This prevents a large amount of printed signatures become unusable. Thus a significant savings in paper and other materials can be achieved.
Die ausgegebene Fehlermeldung identifiziert eine oder mehrere der Stellen, an denen die Abweichung auftrat.The error message that is output identifies one or more of the places where the Deviation occurred.
Das Verfahren umfaßt ferner den Schritt der Vorbestimmung des Toleranzwertes.The method also includes the step of predetermining the tolerance value.
Die Merkmale und Vorteile der vorliegenden Erfindung werden in der folgenden Beschreibung im Zusammenhang mit den beigefügten, nachstehend aufgeführten Zeichnungen näher erläutert.The features and advantages of the present invention are set out in the following Description related to the attached, listed below Drawings explained in more detail.
Es zeigen:
- Fig. 1
- einen Falzapparat der vorliegenden Erfindung;
- Fig. 2a und 2b
- einen Strom von Signaturen und einen Satz von Sensoren gemäß vorliegender Erfindung, wobei der Signaturstrom im Toleranzbereich liegt;
- Fig. 3
- einen Strom von Signaturen in einer Schräglage;
- Fig. 4
- einen Strom von Signaturen mit unterschiedlichen Abständen der Signaturen voneinander.
- Fig. 1
- a folder of the present invention;
- 2a and 2b
- a stream of signatures and a set of sensors in accordance with the present invention, the signature stream being within the tolerance range;
- Fig. 3
- a stream of skewed signatures;
- Fig. 4
- a stream of signatures with different distances between the signatures.
Fig. 1 zeigt eine Papierbahn 1, die in einen Falzapparat 2 eintritt. Durch einen
Schneidzylinder 5 wird die Bahn 1 geschnitten und dabei ein Strom von Signaturen 8
erzeugt. Die Signaturen 8 können dann durch Falzelemente 10, 11, 12 und 13 in
gewünschter Weise gefalzt werden und der Signaturstrom wird in einen von zwei
Eingängen 20 und 22 einer Falzeinrichtung geleitet, in welcher der zweite Längsfalz
erzeugt wird.Fig. 1 shows a paper web 1, which enters a
Es sind Sätze von Sensoren 50, 52 und 54 an verschiedenen Stellen im Falzapparat
vorgesehen. Der Sensorsatz 50 befindet sich unmittelbar stromabwärts des
Schneidzylinders und die Sensorsätze 52 und 54 befinden sich jeweils unmittelbar
stromaufwärts der den zweiten Längsfalz ausführenden Falzeinrichtungen 30, 32. Jeder
Sensorsatz umfaßt einen jeweiligen Laserstrahler und eine Empfangsdiode, die auf beiden
Seiten der Mittellinie eines gewünschten Signaturpfades angeordnet sind, wie dies durch
den Laserstrahler 50A und die Empfangsdiode 50B in Fig. 1 angedeutet ist. Jeder
Sensorsatz wird erst durch einen mit einem Computer 40 verbundenen
Anschlußkasten 42 hindurch bewegt, so daß der Computer feststellen kann, welcher
Sensor eine Signaturabweichung erfaßt hat.There are sets of
Fig. 2A und 2B zeigen eine Draufsicht und eine Seitenansicht eines Stromes von
Signaturen 7, die durch ein Paar von sich nebeneinander befindlichen Sensorsätzen 50
und 53 abgetastet werden. Jede Signatur weist eine Vorderkante 7A und eine
Hinterkante 7B auf und folgt vorzugsweise einem gewünschten Pfad mit Pfadkanten 70A
und 70B. Der Sensorsatz 50 umfaßt einen Laserstrahler 50A und eine
Empfangsdiode 50B die jeweils an einer Seite der Signatur 7 angeordnet sind, und der
Laserstrahler 50A sendet einen Laserstrahl aus, der von der Empfangsdiode 50B
aufgenommen wird. Der Zwischenraum zwischen den aufeinanderfolgenden Signaturen
wird durch einen Abstand 80 bestimmt. 2A and 2B show a top view and a side view of a stream of FIG
Die Fig. 2A und 2B zeigen einen stabilen Signaturtransport, da sich die Signaturen in
einem korrekten Abstand voneinander befinden und nicht schräg liegen. Die Sensoren 50
und 53 bilden einen Sensorsatz, durch den die Signaturvorderkante 7A und/oder die
Signaturhinterkante 7B und somit der Signaturstrom überwacht wird. Beispielsweise wird
durch den Computer überwacht, ob zwischen dem Zeitpunkt, wenn der Sensor 50 die
Vorderkante 7A abtastet und dem Zeitpunkt, wenn der Sensor 53 die Vorderkante 7A
abtastet, ein Zeitunterschied besteht. Wenn die Zeitdifferenz Null beträgt, dann befindet
sich die Signatur in einer zur Fördermittellinie senkrechten Lage, d. h. es besteht keine
Schräglage. Durch das Computerprogramm kann also auf einem zugeordneten Sichtgerät
(nicht gezeigt) angezeigt werden, daß eine 0,000- Schräglage vorliegt. Die Hinterkante
der Signatur kann in gleicher Weise abgetastet werden.2A and 2B show a stable signature transport, since the signatures in
are at a correct distance from each other and are not at an angle. The
Fig. 3 zeigt eine schrägliegende Signatur 7 mit ihrer Vorderkante 7A und ihrer
Hinterkante 7B. Eine Schräglage 95 der Signatur 7 wird festgestellt, wenn die
Signaturvorderkante 7A von dem Sensor 50 und dem Sensor 53 abgetastet wird und der
Sensor 53 die Signaturvorderkante 7A zu einem späteren Zeitpunkt als der Sensor 50
erfaßt und somit eine gewisse Zeitdifferenz festgestellt wird. Durch den Computer wird
dann über ein auf dem Schneidzylinder angebrachtes Kodiergerät die
Signaturgeschwindigkeit überwacht und der Wert der Geschwindigkeit mit der
festgestellten Zeitdifferenz multipliziert, um so das Ausmaß, d. h. den Wert der
Schräglage zu ermitteln, der angezeigt werden kann. In Abhängigkeit von dem Ausmaß
der Schräglage können dann weitere Schritte, wie das Abbremsen oder Stoppen der
Druckmaschine eingeleitet werden.Fig. 3 shows an
Der Abstand zwischen den aufeinanderfolgenden Signaturen kann ebenfalls überwacht
werden, wie dies in Fig. 4 gezeigt ist. Entweder der Sensor 50 oder der Sensor 53 (oder
beide oder ein Durchschnittssignal von beiden) kann verwendet werden, um die jeweilige
Vorderkante 7A, 8A, 9A und Hinterkante 7B, 8B und 9B der Signaturen 7, 8 und 9
abzutasten. Die Zeitdifferenz zwischen dem Abtasten der Hinterkante 9B und dem
Abtasten der Vorderkante 8A kann somit zur Ermittlung einer Abstandsdifferenz 85
zwischen den Signaturen 9 und 8 verwendet werden, und die Zeitdifferenz zwischen dem
Abtasten der Hinterkante 8B und dem Abtasten der Vorderkante 7A kann zur Ermittlung
einer Abstandsdifferenz 80 zwischen den Signaturen 8 und 7 verwendet werden. In
Abhängigkeit von der Zeitdifferenz oder der Abstandsdifferenz können dann weitere
Schritte, wie das Abbremsen oder Stoppen der Druckmaschine eingeleitet werden.The distance between the successive signatures can also be monitored
as shown in FIG. 4. Either
Es ist auch möglich, mehrere nebeneinander angeordnete Sensorsätze im Falzapparat zu plazieren. It is also possible to add several sensor sets arranged side by side in the folder place.
- 11
- Papierbahnpaper web
- 22
- Falzapparatfolding
- 55
- Schneidzylindercutting cylinder
- 77
- Signatursignature
- 7A7A
- Vorderkante der SignaturFront edge of the signature
- 7B7B
- Hinterkante der SignaturTrailing edge of the signature
- 88th
- Signatursignature
- 8A8A
- Vorderkante der SignaturFront edge of the signature
- 8B8B
- Hinterkante der SignaturTrailing edge of the signature
- 99
- Signatursignature
- 9A9A
- Vorderkante der SignaturFront edge of the signature
- 9B9B
- Hinterkante der SignaturTrailing edge of the signature
- 10, 1110, 11
- Falzelementescoring elements
- 12, 1312, 13
- Falzelementescoring elements
- 20, 2220, 22
- Eingänge der LängsfalzeinrichtungEntrances of the longitudinal folding device
- 30, 3230, 32
- Längsfalzeinrichtungenlongitudinal folding
- 4040
- Computercomputer
- 4242
- Anschlußkastenjunction box
- 5050
- Sensorsatzsensor set
- 50A50A
- Laserstrahlerlaser emitter
- 50B50B
- Empfangsdiodereceiver diode
- 5252
- Sensorsatzsensor set
- 5353
- Sensorsatzsensor set
- 5454
- Sensorsatzsensor set
- 70A70A
- Pfadkantepath edge
- 70B70B
- Pfadkantepath edge
- 8080
- Abstandsdifferenzdistance difference
- 8585
- Abstandsdifferenzdistance difference
Claims (6)
- Folder for processing a stream of signatures (7, 8, 9) moving on a desired path and each signature having a lead edge (7A, 8A, 9A) and a trail edge (7B, 8B, 9B), the folder (2) comprising a cutting device and at least one set of sensors (50, 53) for measuring a deviation of one of the signatures, i.e. one of the lead edge (7A, 8A, 9A) and the trail edge (7B, 8B, 9B) from the desired path,
characterized in that the sensor set (52, 54) is located directly downstream of the cutting device and that further a control device is provided slowing down the signature stream after determining the spacing between the signatures in the signature stream by changing the machine speed. - Folder as set forth in claim 1,
characterized in that further a microprocessor is provided and that the output of each sensor set (50, 52, 54) is transferred into the microprocessor. - Folder as set forth in claim 1,
characterized in that a plurality of sensor sets is provided. - Method for preventing a paper jam in a folder including a cutting device, with signatures being moved along a travel path in the folder and each signature having a lead edge and a trail edge and at least one set of sensors (50, 53) being provided along the travel path, said set of sensors measuring one of the lead edge and the trail edge of a signature running past the set of sensors (50, 53)
characterized in that the set of sensors (50, 53) is located directly downstream of the cutting device and that a tolerance value is determined from the sensor signal, said tolerance value correlating to the deviation of the signatures from the nominal path and that, when a certain tolerance value is exceeded, said deviation is corrected in that the machine speed is decreased. - Method as set forth in claim 4,
characterized in that a further set of sensors is used to determine a further skew. - Method as recited in claim 4,
characterized in that a spacing between the signatures in the stream of signatures is determined.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17187 | 1998-02-02 | ||
| US09/017,187 US6440049B1 (en) | 1998-02-02 | 1998-02-02 | Folder with early warning jam detection system and related method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0933321A2 EP0933321A2 (en) | 1999-08-04 |
| EP0933321A3 EP0933321A3 (en) | 2000-05-17 |
| EP0933321B1 true EP0933321B1 (en) | 2002-06-12 |
Family
ID=21781200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98123034A Expired - Lifetime EP0933321B1 (en) | 1998-02-02 | 1998-12-07 | Folding apparatus with early warning system for recognizing jams and method used therefor |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6440049B1 (en) |
| EP (1) | EP0933321B1 (en) |
| JP (1) | JPH11263481A (en) |
| DE (2) | DE19856373A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7249259B1 (en) * | 1999-09-07 | 2007-07-24 | Certicom Corp. | Hybrid signature scheme |
| EP1086918B1 (en) | 1999-09-27 | 2004-03-17 | Heidelberger Druckmaschinen Aktiengesellschaft | Method and device for detecting a true product jam in a folding apparatus |
| DE19946190A1 (en) * | 1999-09-27 | 2001-03-29 | Heidelberger Druckmasch Ag | Detection of paper jams in paper or copy folding devices where there is a sensor pair for detection of a paper copy on a conveyor belt and the sensors only send a count impulse to a counter when both sensor receivers detect a copy |
| DE10009263A1 (en) * | 2000-02-26 | 2001-08-30 | Roland Man Druckmasch | Process for producing folded products and folding apparatus therefor |
| JP2003212434A (en) * | 2002-01-24 | 2003-07-30 | Tokyo Kikai Seisakusho Ltd | Paper cutting device of folding machine |
| DE10207869A1 (en) * | 2002-02-23 | 2003-09-04 | Heidelberger Druckmasch Ag | Folder of a web-processing printing machine with a conveyor belt monitoring device |
| DE10338973B4 (en) * | 2002-09-30 | 2013-01-31 | Goss International Montataire S.A. | Method and device for fault detection during transport of a material web |
| JP4450385B2 (en) * | 2004-04-30 | 2010-04-14 | 株式会社小森コーポレーション | Folding machine |
| US7532990B2 (en) * | 2005-10-04 | 2009-05-12 | Goss International Americas, Inc. | System and method for press signature tracking and data association |
| DE102008018521A1 (en) * | 2008-04-12 | 2009-10-15 | Manroland Ag | Folder of a printing machine |
| JP5155737B2 (en) * | 2008-05-28 | 2013-03-06 | 株式会社小森コーポレーション | Sheet monitoring device for folding machine |
| DE102009003240B4 (en) * | 2009-03-27 | 2021-01-28 | Koenig & Bauer Ag | Method for correcting a skew of a product emerging from a folding nip of a longitudinal folding apparatus and longitudinal folding apparatus |
| DE102011003925B4 (en) | 2011-02-10 | 2013-12-05 | Koenig & Bauer Aktiengesellschaft | Method for determining an inclined position of a fold break produced by longitudinal folding of a product by means of a longitudinal folding apparatus and longitudinal folding apparatus with means for determining such an inclined position |
| JP2013049524A (en) * | 2011-08-31 | 2013-03-14 | Kyocera Document Solutions Inc | Folding device and sheet folding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD201435A1 (en) | 1981-11-27 | 1983-07-20 | Andreas Engel | METHOD AND DEVICE FOR DETERMINING FALL DEVIATIONS |
| US4496337A (en) | 1983-07-06 | 1985-01-29 | Mayflower Electronic Devices Inc. | Control apparatus for folding machine |
| JPS60137770A (en) * | 1983-12-27 | 1985-07-22 | Toppan Printing Co Ltd | Inferior folding checking device |
| FR2563773B1 (en) | 1984-05-07 | 1986-12-05 | Marinoni Harris Sa | DEVICE FOR AUTOMATICALLY ADJUSTING THE SLOWDOWN OF THE NOTEBOOK BEFORE FOLDING IN THE FOLDERS OF THE PRESS FOLDER SQUARES |
| JPS6123054A (en) * | 1984-07-09 | 1986-01-31 | Omron Tateisi Electronics Co | Transport-state judging apparatus for paper |
| JPH04169451A (en) * | 1990-10-31 | 1992-06-17 | Kanzaki Paper Mfg Co Ltd | Printer sheet paper conveying condition detecting device |
| US5172907A (en) * | 1991-05-10 | 1992-12-22 | Moore Business Forms, Inc. | Compensation for skewing of documents during a rotation through a finite angle |
| JPH0577967A (en) * | 1991-09-24 | 1993-03-30 | Toppan Printing Co Ltd | Improper fold inspecting device |
| US5169140A (en) * | 1991-11-25 | 1992-12-08 | Xerox Corporation | Method and apparatus for deskewing and side registering a sheet |
| JP3208193B2 (en) * | 1991-12-09 | 2001-09-10 | 株式会社リコー | Sheet feeding method for image forming apparatus and sheet feeding apparatus for executing the sheet feeding method |
| US5516094A (en) | 1994-06-24 | 1996-05-14 | Xerox Corporation | Linear array sensor for copy sheet registration |
| US5681036A (en) * | 1994-10-07 | 1997-10-28 | Canon Kabushiki Kaisha | Sheet feeding device with control of skew-correction |
| EP0732293B1 (en) * | 1995-03-15 | 2002-01-30 | Heidelberger Druckmaschinen Aktiengesellschaft | Method for the optimization of the operating efficiency of a folding machine |
| US5749823A (en) * | 1995-03-28 | 1998-05-12 | Heidelberger Druckmaschinen Ag | Signature control in a high speed printing press |
| DE19600110A1 (en) * | 1995-08-10 | 1997-07-10 | Baumueller Nuernberg Gmbh | Cylinders and rollers electrical drive system for sheet paper printing machine |
| US5725211A (en) * | 1995-08-28 | 1998-03-10 | Xerox Corporation | Method and apparatus for registering images on the front and the back of a single sheet of paper |
| US5678159A (en) * | 1996-06-26 | 1997-10-14 | Xerox Corporation | Sheet registration and deskewing device |
-
1998
- 1998-02-02 US US09/017,187 patent/US6440049B1/en not_active Expired - Fee Related
- 1998-12-07 EP EP98123034A patent/EP0933321B1/en not_active Expired - Lifetime
- 1998-12-07 DE DE19856373A patent/DE19856373A1/en not_active Withdrawn
- 1998-12-07 DE DE59804411T patent/DE59804411D1/en not_active Expired - Lifetime
-
1999
- 1999-02-02 JP JP11025258A patent/JPH11263481A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US6440049B1 (en) | 2002-08-27 |
| DE19856373A1 (en) | 1999-08-05 |
| DE59804411D1 (en) | 2002-07-18 |
| EP0933321A2 (en) | 1999-08-04 |
| EP0933321A3 (en) | 2000-05-17 |
| JPH11263481A (en) | 1999-09-28 |
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