DE4435337A1 - Method of controlling curve of cylinders and drums in sheet printing press - Google Patents

Method of controlling curve of cylinders and drums in sheet printing press

Info

Publication number
DE4435337A1
DE4435337A1 DE4435337A DE4435337A DE4435337A1 DE 4435337 A1 DE4435337 A1 DE 4435337A1 DE 4435337 A DE4435337 A DE 4435337A DE 4435337 A DE4435337 A DE 4435337A DE 4435337 A1 DE4435337 A1 DE 4435337A1
Authority
DE
Germany
Prior art keywords
sheet
drum
transmitter
drums
cylinder
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
Application number
DE4435337A
Other languages
German (de)
Other versions
DE4435337B4 (en
Inventor
Guenter Dr Ing Weisbach
Arndt Dipl Ing Jentzsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
KBA Planeta AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KBA Planeta AG filed Critical KBA Planeta AG
Priority to DE4435337A priority Critical patent/DE4435337B4/en
Publication of DE4435337A1 publication Critical patent/DE4435337A1/en
Application granted granted Critical
Publication of DE4435337B4 publication Critical patent/DE4435337B4/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/12—Revolving grippers, e.g. mounted on arms, frames or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/04—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to absence of articles, e.g. exhaustion of pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
    • 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
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • 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
    • B65H2511/50—Occurence
    • B65H2511/52—Defective operating conditions
    • 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
    • B65H2515/60—Optical characteristics, e.g. colour, light
    • 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
    • B65H2553/414—Photoelectric detectors involving receptor receiving light reflected by a reflecting surface and emitted by a separate emitter
    • 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
    • B65H2553/44—Involving light guide, e.g. optical fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Abstract

The method involves timing reflex light box (8) outside the alignment zone of the guide sheet (3) and before the transfer and/or reception of the sheet (6) from the corresponding cylinder (1) or drum (2). When a sheet is present, the light beam of the transmitter is reflected from the sheet. It brings up the receiver, signalling a valid sheet. If there is no sheet present, the light beam is diverted by the corresponding cylinder or drum so that no reflection falls on the receiver, and the problem is thus detected.

Description

Die Erfindung betrifft ein Verfahren und eine Einrichtung zur Bogenkontrolle in Zylindern und Trommeln von Bogendruckmaschi­ nen.The invention relates to a method and a device for Sheet control in cylinders and drums of sheet printing machines nen.

Es sind Bogendruckmaschinen bekannt (EP 0 016 938), die zum Bogentransport mit hintereinander angeordneten, mit Greifer­ systemen versehenen Übergabetrommeln, Schön- und Widerdruck­ trommeln und Druckzylindern ausgestattet sind. Unterhalb der korrespondierenden Zylinder und Trommeln sind zur Bogenfüh­ rung Leitbleche angeordnet.Sheet printing machines are known (EP 0 016 938) which are used for Sheet transport with one behind the other, with gripper system-equipped transfer drums, perfecting and reverse printing drums and pressure cylinders are equipped. Below the Corresponding cylinders and drums are used for sheet guiding tion baffles arranged.

Zur Kontrolle der von den Zylindern und Trommeln zu transpor­ tierenden Bogen ist eine getaktete Bogenkontrolleinrichtung, die nach dem Reflexprinzip arbeitet und im Zylinder oder in der Trommel angeordnet ist, bekannt (DE 42 39 086).To control the transport of the cylinders and drums is a clocked sheet control device, which works on the reflex principle and in the cylinder or in the drum is arranged, known (DE 42 39 086).

Nachteilig ist dabei, daß es bei der Bogenkontrolle an mit un­ terhalb der Zylinder angeordneten Leitblechen durch Reflexion an den Leitblechen bei nicht vorhandenen Bogen (Fehlerfall) zu einer Falschaussage (Bogen vorhanden) und damit zu Maschinen­ störungen kommt.The disadvantage is that it is in the sheet control with un baffles arranged below the cylinders by reflection on the baffles if there is no bend (fault) a false statement (sheet present) and thus to machines interference comes.

Aufgabe der Erfindung ist die Schaffung eines Verfahrens und einer Einrichtung zur Bogenkontrolle für korrespondierende Zy­ linder- und Trommelanordnungen mit unterhalb derselben angeord­ neten Leitblechen.The object of the invention is to provide a method and a facility for sheet control for corresponding Zy Linder- and drum assemblies arranged below the same neten baffles.

Erfindungsgemäß wird die Aufgabe durch das Kennzeichen des Patentanspruches gelöst. Zweckmäßige Ausgestaltungen sind in den Unteransprüchen offenbart.According to the invention the task is characterized by the Claim resolved. Appropriate configurations are disclosed in the subclaims.

Nachfolgend wird die Erfindung an einem Ausführungsbeispiel näher erläutert. The invention is illustrated below using an exemplary embodiment explained in more detail.  

Die Zeichnung zeigt inThe drawing shows in

Fig. 1 Anordnung von korrespondierenden Zylindern und Trommeln (Übergabestellung) Fig. 1 arrangement of corresponding cylinders and drums (transfer position)

Fig. 2 Anordnung von korrespondierenden Zylindern und Trommeln (Übernahmestellung). Fig. 2 arrangement of corresponding cylinders and drums (takeover position).

Für den Bogentransport in Bogendruckmaschinen werden, wie die Zeichnung zeigt, üblicherweise miteinander korrespondierende Zylinder und Trommeln verwendet. Die Zylinder sind dabei als Druckzylinder 1 und die Trommeln als Übergabetrommeln 2 oder als allgemein bekannte, nicht dargestellte Wendetrommeln aus­ gebildet. Unterhalb der Übergabetrommel 2 ist in der darge­ stellten Ausführung ein Leitblech 3 angeordnet; die Anordnung weiterer Leitbleche ist üblich. Jeder Druckzylinder 1 bzw. jede Übergabetrommel 2 ist mit mindestens einem Zylinderkanal 4 und mindestens einem im Zylinderkanal angeordneten, aus mehreren Einzelgreifern bestehenden Greifersystem 5 ausgestattet.Corresponding cylinders and drums are usually used for sheet transport in sheet-fed printing machines, as the drawing shows. The cylinders are formed as a pressure cylinder 1 and the drums as transfer drums 2 or as generally known, not shown turning drums. Below the transfer drum 2 , a baffle 3 is arranged in the Darge presented embodiment; the arrangement of further baffles is common. Each printing cylinder 1 or each transfer drum 2 is equipped with at least one cylinder channel 4 and at least one gripper system 5 arranged in the cylinder channel and consisting of several individual grippers.

Der Bogen 6 wird, wie dargestellt, durch das Greifersystem 5 der Übergabetrommel 2 gehalten und im Tangentenpunkt 7 an das Grei­ fersystem des nachgeordneten korrespondierenden Druckzylinders 1 übergeben (Fig. 1) bzw. von dem korrespondierenden vorgeordne­ ten Druckzylinder 1 (Fig. 2) übernommen.The sheet 6 is, as shown, held by the gripper system 5 of the transfer drum 2 and transferred at tangent point 7 to the gripper system of the downstream corresponding printing cylinder 1 ( FIG. 1) or taken from the corresponding pre-arranged printing cylinder 1 ( FIG. 2) .

Unmittelbar nach dem Greifersystem ist - in Bogenlaufrichtung gesehen - in mindestens einem Zylinder oder mindestens einer Trommel eine Reflexlichtschranke 8 angeordnet; in der Zeichnung ist die Anordnung der Reflexlichtschranke 8 in der Übergabetrom­ mel 2 gezeigt. Die Reflexlichtschranke 8 wird vorzugsweise durch ein Lichtleitkabel gebildet, welches Lichtleiter für Sender und Empfänger enthält.Immediately after the gripper system - seen in the direction of sheet travel - a reflex light barrier 8 is arranged in at least one cylinder or at least one drum; in the drawing the arrangement of the reflex light barrier 8 in the transfer drum mel 2 is shown. The reflex light barrier 8 is preferably formed by a light guide cable which contains light guides for the transmitter and receiver.

Die Reflexlichtschranke 8 wird zu einem Zeitpunkt getaktet, zu dem der Lichtstrahl des Senders derselben nicht das Leitblech 3 treffen kann, d. h. die Taktung erfolgt nachdem die Reflexlicht­ schranke 8 infolge der Rotation der Übergabetrommel 2 das Leit­ blech 3 passiert hat und den Tangentenpunkt 7, zu dem die Bo­ genübergabe an den nachgeordneten korrespondierenden Druckzylin­ der 1 stattfindet, noch nicht erreicht hat oder bevor die Re­ flexlichtschranke 8 das Leitblech 3 erreicht hat und nachdem der Tangentenpunkt 7, zu dem die Bogenübernahme vom vorgeordne­ ten korrespondierenden Druckzylinder 1 stattgefunden hat, pas­ siert wurde.The reflection light barrier 8 is clocked to a time point at which the light beam of the transmitter can not make the guide plate 3 of the same, the timing means takes place after the reflective light beam 8 due to the rotation of the transfer drum 2, the routing has passed sheet 3 and the tangent point 7 to that the Bo gene transfer to the downstream corresponding Druckzylin 1 takes place, has not yet reached or before the Re flex light barrier 8 has reached the baffle 3 and after the tangent point 7 , to which the sheet transfer from the vorgeordne th corresponding pressure cylinder 1 has taken place .

Der Sender der Reflexlichtschranke 8 ist damit bei Nichtvor­ handensein eines Bogens 6 auf den korrespondierenden vor- oder nachgeordneten Zylinder gerichtet. Die Anordnung der Reflex­ lichtschranke 8 zum Taktzeitpunkt erfolgt unter einem bestimm­ ten Winkel, so daß der Lichtstrahl des Senders in der Art und Weise reflektiert wird, daß keine auf den Empfänger der Re­ flexlichtschranke 8 gerichtete Reflexion auftritt und damit bei Nichtvorhandensein eines Bogens 6 auch ein solcher detek­ tiert wird. Der Winkel ist abhängig vom Taktzeitpunkt, der Stellung der Zylinder und Trommeln zum Taktzeitpunkt und na­ türlich von den optischen Gesetzen.The transmitter of the reflex light barrier 8 is thus aimed at the corresponding upstream or downstream cylinder in the absence of a sheet 6 . The arrangement of the reflex light barrier 8 at the time of the clock takes place at a specific th angle, so that the light beam of the transmitter is reflected in the manner that no reflection directed towards the receiver of the re flex light barrier 8 occurs and thus in the absence of a sheet 6 also such is detected. The angle depends on the timing, the position of the cylinders and drums at the timing and, of course, on the optical laws.

BezugszeichenlisteReference list

1 Druckzylinder
2 Übergabetrommel
3 Leitblech
4 Zylinderkanal
5 Greifersystem
6 Bogen
7 Tangentenpunkt
8 Reflexlichtschranke 1 impression cylinder
2 transfer drum
3 baffle
4 cylinder channel
5 gripper system
6 sheets
7 tangent point
8 reflex light barrier

Claims (5)

1. Verfahren zur Bogenkontrolle in Zylindern und Trommeln von Bogendruckmaschinen mit unterhalb der Zylinder und Trom­ meln angeordneten Leitblechen und in mindestens einem Zy­ linder und/oder einer Trommel im Nachfolgebereich von Grei­ fersystemen angeordneten, getakteten und aus Sender und Empfänger bestehenden Reflexlichtschranke, dadurch gekenn­ zeichnet, daß die Reflexlichtschranke (8) außerhalb des An­ ordnungsbereiches des Leitbleches (3) und vor der Übergabe und/oder nach der Übernahme des Bogens (6) vom korrespondie­ renden Zylinder (1) oder der korrespondierenden Trommel (2) getaktet wird, bei Vorhandensein eines Bogens der Lichtstrahl des Senders am Bogen reflektiert, dem Empfänger zugeführt und damit ein Gutbogen signalisiert und bei Nichtvorhanden­ sein eines Bogens der Lichtstrahl des Senders durch den korrespondierenden Zylinder oder die korrespondierende Trommel so abgelenkt wird, daß keine zum Empfänger gerich­ tete Reflexion auftritt und damit ein Fehlbogen detektiert wird.1. Process for sheet control in cylinders and drums of sheet-fed printing presses with baffles arranged below the cylinders and drums and arranged in at least one cylinder and / or a drum in the downstream area of gripper systems, clocked and consisting of a transmitter and receiver, characterized by characterized that the reflection light barrier (8) regulatory region outside the to the guide plate (3) and is clocked prior to the handover and / or after the acquisition of the sheet (6) from the korrespondie in power cylinder (1) or of the corresponding drum (2), in the presence of an arc reflects the light beam from the transmitter on the arc, fed to the receiver and thus signals a good arc and, in the absence of an arc, the light beam from the transmitter is deflected by the corresponding cylinder or drum so that no reflection directed to the receiver occurs and thus a missing sheet is detected. 2. Einrichtung zur Bogenkontrolle nach Anspruch 1, dadurch gekennzeichnet, daß der Sender der Reflexlichtschranke (8) zum außerhalb des Leitblechbereiches liegenden Taktzeit­ punkt so zum korrespondierenden Zylinder (1) oder zur kor­ respondierenden Trommel (2) angeordnet ist, daß eine Re­ flexion zum Empfänger bei Nichtvorhandensein eines Bogens ausgeschlossen ist.2. Device for sheet control according to claim 1, characterized in that the transmitter of the reflex light barrier ( 8 ) to the outside of the baffle area timing point so arranged to the corresponding cylinder ( 1 ) or the cor responding drum ( 2 ) that a Re flexion to Recipient is excluded in the absence of a sheet. 3. Einrichtung zur Bogenkontrolle nach Anspruch 2, dadurch gekennzeichnet, daß die Reflexlichtschranke (8) Bestand­ teil eines Lichtleitkabels ist. 3. Device for sheet control according to claim 2, characterized in that the reflex light barrier ( 8 ) is part of a light guide cable. 4. Einrichtung zur Bogenkontrolle nach Anspruch 2, dadurch gekennzeichnet, daß der Lichtstrahl des Senders der Re­ flexlichtschranke (8) bei Nichtvorhandensein eines Bogens durch die Mantelfläche des korrespondierenden Zylinders (1) oder der korrespondierenden Trommel (2) abgelenkt wird.4. Device for sheet control according to claim 2, characterized in that the light beam of the transmitter of the Re flex light barrier ( 8 ) is deflected in the absence of a sheet through the outer surface of the corresponding cylinder ( 1 ) or the corresponding drum ( 2 ). 5. Einrichtung zur Bogenkontrolle nach Anspruch 2, dadurch gekennzeichnet, daß der Lichtstrahl des Senders der Re­ flexlichtschranke (8) bei Nichtvorhandensein eines Bogens durch den Kanal des korrespondierenden Zylinders (1) oder der korrespondierenden Trommel (2) abgelenkt wird.5. A device for sheet control according to claim 2, characterized in that the light beam of the transmitter of the Re flex light barrier ( 8 ) is deflected in the absence of an arc through the channel of the corresponding cylinder ( 1 ) or the corresponding drum ( 2 ).
DE4435337A 1994-10-01 1994-10-01 Method and device for sheet control Expired - Fee Related DE4435337B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4435337A DE4435337B4 (en) 1994-10-01 1994-10-01 Method and device for sheet control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4435337A DE4435337B4 (en) 1994-10-01 1994-10-01 Method and device for sheet control

Publications (2)

Publication Number Publication Date
DE4435337A1 true DE4435337A1 (en) 1996-04-04
DE4435337B4 DE4435337B4 (en) 2005-12-15

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ID=6529855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4435337A Expired - Fee Related DE4435337B4 (en) 1994-10-01 1994-10-01 Method and device for sheet control

Country Status (1)

Country Link
DE (1) DE4435337B4 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10227694A1 (en) * 2002-06-19 2004-01-29 Koenig & Bauer Ag Device and method for detecting a running disturbance in a running material web
DE102004017061A1 (en) * 2004-04-07 2005-10-27 Man Roland Druckmaschinen Ag Missing sheet checking method for use in sheet fed printing machine, involves examining whether printed sheet is available in print and non-print modes of machine, using missing sheet sensor
DE102006019761A1 (en) * 2006-04-28 2007-10-31 Koenig & Bauer Aktiengesellschaft Sheet controlling device for use in sheet rotation printing machine, has reference surface arranged at radial distance of sheet web at sheet web transporting rotation body, where surface is curved corresponding to sheet web
US7481429B2 (en) 2004-12-21 2009-01-27 Heidelberger Druckmaschinen Ag Method for the cyclic conveyance of sheets through a printing machine
DE102010028595A1 (en) * 2010-05-05 2011-11-10 Manroland Ag Sheet processing machine with comb-shaped sheet guiding device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914362C3 (en) * 1979-04-09 1984-12-20 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Sheet transport drum on rotary printing machines
DE9105269U1 (en) * 1991-04-29 1991-07-04 Kodak Ag, 7000 Stuttgart Device for transporting sheet films
DE4239086C2 (en) * 1992-11-20 1998-07-30 Kba Planeta Ag Device for sheet control in rotating transport bodies of printing machines

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10227694A1 (en) * 2002-06-19 2004-01-29 Koenig & Bauer Ag Device and method for detecting a running disturbance in a running material web
DE102004017061A1 (en) * 2004-04-07 2005-10-27 Man Roland Druckmaschinen Ag Missing sheet checking method for use in sheet fed printing machine, involves examining whether printed sheet is available in print and non-print modes of machine, using missing sheet sensor
DE102004017061B4 (en) * 2004-04-07 2015-08-27 manroland sheetfed GmbH Method and device for checking missing sheets on a printing machine
US7481429B2 (en) 2004-12-21 2009-01-27 Heidelberger Druckmaschinen Ag Method for the cyclic conveyance of sheets through a printing machine
DE102006019761A1 (en) * 2006-04-28 2007-10-31 Koenig & Bauer Aktiengesellschaft Sheet controlling device for use in sheet rotation printing machine, has reference surface arranged at radial distance of sheet web at sheet web transporting rotation body, where surface is curved corresponding to sheet web
DE102010028595A1 (en) * 2010-05-05 2011-11-10 Manroland Ag Sheet processing machine with comb-shaped sheet guiding device
DE102010028595B4 (en) * 2010-05-05 2021-06-10 manroland sheetfed GmbH Sheet processing machine with comb-shaped sheet guiding device

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Legal Events

Date Code Title Description
8125 Change of the main classification

Ipc: B65H 7/14

8127 New person/name/address of the applicant

Owner name: KOENIG & BAUER AG, 97080 WUERZBURG, DE

8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: B41F 33/06

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KOENIG & BAUER AKTIENGESELLSCHAFT, 97080 WUERZB, DE

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20110502