EP0415182A2 - Blanket cylinder for sheet-fed offset rotary presses - Google Patents
Blanket cylinder for sheet-fed offset rotary presses Download PDFInfo
- Publication number
- EP0415182A2 EP0415182A2 EP90115643A EP90115643A EP0415182A2 EP 0415182 A2 EP0415182 A2 EP 0415182A2 EP 90115643 A EP90115643 A EP 90115643A EP 90115643 A EP90115643 A EP 90115643A EP 0415182 A2 EP0415182 A2 EP 0415182A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- cylinder
- blanket
- blanket cylinder
- channel
- 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
- 238000007645 offset printing Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract 3
- 229910001060 Gray iron Inorganic materials 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000035515 penetration Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003599 detergent Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- ONBQEOIKXPHGMB-VBSBHUPXSA-N 1-[2-[(2s,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-4,6-dihydroxyphenyl]-3-(4-hydroxyphenyl)propan-1-one Chemical compound O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1OC1=CC(O)=CC(O)=C1C(=O)CCC1=CC=C(O)C=C1 ONBQEOIKXPHGMB-VBSBHUPXSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 229940126142 compound 16 Drugs 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/42—Guards or covers, e.g. for preventing ingress or egress of foreign matter
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S101/00—Printing
- Y10S101/36—Means for registering or alignment of print plates on print press structure
Definitions
- the invention relates to a blanket cylinder for sheet-fed offset printing machines, which is provided with a device for covering the cylinder channel, according to the preamble of claim 1.
- the disadvantage here is that the channel cover does not offer optimal protection against the penetration of liquid detergents used in cleaning the cylinders or does not offer optimal protection against the penetration of water or color-water emulsions.
- a further disadvantage is that the device for channel cover arranged in the cylinder channel can only compensate for insufficiently existing unbalances of the rotating blanket cylinder, because the masses and the masses formed by the components of the channel cover cannot form sufficient counterweights for dynamic balancing.
- the object of the invention is to provide a cover rail for the wide cylinder channel of a sheet-fed rotary offset printing press, which makes it possible, in conjunction with the clamped rubber blanket, to shield the entire area of the cylinder channel tightly against the ingress of liquids, thereby preventing the rubber blanket from loosening and at the same time to better compensate for imbalances of the rotating blanket cylinder.
- the main advantage of the cover rail according to the invention is that liquid detergent, water or the like can no longer penetrate into the cylinder channel of the blanket cylinder, so that disruptions in the printing process due to such liquid accumulations in the cylinder channel are excluded from the outset.
- the parts of the blanket cylinder located under the cover rail e.g. the tensioning devices for the rubber blanket, for elevators and the like are better protected against corrosion.
- the cover rail according to the invention also forms a suitable counterweight in order to better compensate for imbalances occurring in sheet-fed rotary offset printing machines.
- the wide rail head of the cover rail also secures the position of the rubber blanket so that it cannot loosen easily. Last but not least, the cover rail serves to avoid injury to operating personnel in the wide cylinder channel.
- the blanket cylinder 1 has an axially parallel cylinder channel 2.
- a rubber blanket 5 is stretched on its cylinder jacket.
- the ends 6, 7 of the rubber blanket 5 are inserted by means of tensioning spindles 3, 4 in the cylinder channel 2, and by turning the tensioning spindles 3, 4, the rubber blanket 5 is stretched on the outer surface of the blanket cylinder 1.
- the rubber blanket 5 is pulled over the channel edges.
- the cover rail 8 extends over the entire length of the cylinder channel 2 to close to the side walls 13, 14 of the blanket cylinder 1 and has an approximately mushroom-shaped rail profile shape in cross section.
- the rail head 9 is dimensioned so that its width is approximately equal to the distance between the central axes of the clamping spindles 3, 4. This round-edged rail head 9 is supported over the stretched blanket 5 on the clamping spindles 3, 4 along the cylinder channel 2. Between pages walls 13, 14 and the lateral surfaces of the rail head 9, a sealing compound 16, 17 is provided.
- the cover rail 8 also represents a counterweight to the dynamic balancing of the rubber blanket cylinder 1. At the same time, a loosening of the rubber blanket 5 on the channel edges is prevented, since the rail head is in contact with the rubber blanket 5, with a slight clamping effect of the screwed-in cover rail 8.
- the cover rail 8 is provided with a radius of curvature in the region of the transition from the rail web 10 to the rail head 9 and adapted in size so that a gap corresponding to the thickness of the rubber blanket 5 to the clamping spindles 3, 4 remains.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Plates And Materials Therefor (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Rotary Presses (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Description
Die Erfindung betrifft einen Gummituchzylinder für Bogenrotations-Offsetdruckmaschinen, der mit einer Einrichtung zur Abdeckung des Zylinderkanals versehen ist, nach dem Oberbegriff des Patentanspruches 1.The invention relates to a blanket cylinder for sheet-fed offset printing machines, which is provided with a device for covering the cylinder channel, according to the preamble of claim 1.
Nachteilig ist dabei, daß die Kanalabdeckung keinen optimalen Schutz gegen das Eindringen von flüssigen Waschmitteln, die beim Reinigen der Zylinder verwendet werden bzw. auch keinen optimalen Schutz gegen das Eindringen von Wasser bzw. Farb-Wasser-Emulsionen bietet. Von Nachteil ist ferner, daß die im Zylinderkanal angeordnete Einrichtung zur Kanalabdeckung nur unzureichend vorhandene Unwuchten des sich drehenden Gummituchzylinders ausgleichen kann, weil die von den Bauteilen der Kanalabdeckung gebildeten Massen in ihrer Größe und Verteilung ausreichenden Gegengewichte zum dynamischen Auswuchten nicht bilden können.The disadvantage here is that the channel cover does not offer optimal protection against the penetration of liquid detergents used in cleaning the cylinders or does not offer optimal protection against the penetration of water or color-water emulsions. A further disadvantage is that the device for channel cover arranged in the cylinder channel can only compensate for insufficiently existing unbalances of the rotating blanket cylinder, because the masses and the masses formed by the components of the channel cover cannot form sufficient counterweights for dynamic balancing.
Aus der DE-OS 3 110 982 ist es zwar bereits bekannt, Füllstücke in einem Zylinderkanal eines Gummituchzylinders vorzusehen. Ebenso ist es aus der DE-OS 3 644 501 bereits bekannt, eine schienenartige Abstützleiste im Zylinderkanal über dessen ganze Länge anzubringen und am Boden zu befestigen. Diese Vorrichtungen decken aber den Zylinderkanal nicht optimal gegen das Eindringen von Reinigungsmitteln oder dgl. Flüssigkeiten ab, weil keine allseitige Abdichtung gegenüber dem Zylinderkanal gewährleistet ist. Auch sind diese Füllstücke bzw. Abstützleisten offensichtlich nur für Rollenmaschinen vorgesehen, deren Gummituchzylinder einen schmalen Zylinderkanal aufweist und insofern für Gummituchzylinder für Bogenrotations-Offsetdruckmaschinen nicht geeignet, die einen breiten Zylinderkanal von etwa 90° Zylinderumfang besitzen.From DE-OS 3 110 982 it is already known to provide filling pieces in a cylinder channel of a blanket cylinder. Likewise, it is already known from DE-OS 3 644 501 to attach a rail-like support bar in the cylinder channel over its entire length and to fasten it to the floor. However, these devices do not optimally cover the cylinder channel against the penetration of cleaning agents or the like. Liquids because no all-round sealing with respect to the cylinder channel is guaranteed. These filler pieces or support strips are obviously only intended for web presses whose blanket cylinders have a narrow cylinder channel and are therefore not suitable for blanket cylinders for sheet-fed rotary offset printing presses which have a wide cylinder channel of approximately 90 ° cylinder circumference.
Aufgabe der Erfindung ist es, eine Abdeckschiene für den breiten Zylinderkanal einer Bogenrotationsoffsetdruckmaschine zu schaffen, die es ermöglicht, in Verbindung mit dem eingespannten Gummituch den gesamten Bereich des Zylinderkanals dicht gegen Eindringen von Flüssigkeiten abzuschirmen, dabei durch die Abdeckschiene eine Lockerung des Gummituches zu verhindern und zugleich einen besseren Ausgleich von Unwuchten des sich drehenden Gummituchzylinders zu bewirken.The object of the invention is to provide a cover rail for the wide cylinder channel of a sheet-fed rotary offset printing press, which makes it possible, in conjunction with the clamped rubber blanket, to shield the entire area of the cylinder channel tightly against the ingress of liquids, thereby preventing the rubber blanket from loosening and at the same time to better compensate for imbalances of the rotating blanket cylinder.
Gelöst wird die Aufgabe gemäß den Merkmalen des Kennzeichens des Patentspruches 1. Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.The object is achieved according to the features of the characterizing part of patent claim 1. Further developments of the invention result from the subclaims.
Der hauptsächliche Vorteil der erfindungsgemäßen Abdeckschiene besteht darin, daß flüssige Waschmittel, Wasser oder dgl. in den Zylinderkanal des Gummituchzylinders nicht mehr eindringen können, so daß von vornherein Störungen des Druckprozesses durch derartige Flüssigkeitsansammlungen im Zylinderkanal ausgeschlossen sind. Die unter der Abdeckschiene befindlichen Teile des Gummituchzylinders, z.B. die Spannvorrichtungen für das Gummituch, für Aufzüge 0. dgl. sind gegen Korrosion besser geschützt. Die erfindungsgemäße Abdeckschiene bildet ferner durch das Ausfüllen der Räume zwischen den Spannspindeln ein geeignetes Gegengewicht, um bei Bogenrotations-Offsetdruckmaschinen auftretende Unwuchten besser zu kompensieren. Der breite Schienenkopf der Abdeckschiene sichert zugleich die Lage des Gummituches, so daß sich dieses nicht so leicht lockern kann. Nicht zuletzt dient die Abdeckschiene der Vermeidung von Verletzungen des Bedienungspersonals im breiten Zylinderkanal.The main advantage of the cover rail according to the invention is that liquid detergent, water or the like can no longer penetrate into the cylinder channel of the blanket cylinder, so that disruptions in the printing process due to such liquid accumulations in the cylinder channel are excluded from the outset. The parts of the blanket cylinder located under the cover rail, e.g. the tensioning devices for the rubber blanket, for elevators and the like are better protected against corrosion. By filling the spaces between the clamping spindles, the cover rail according to the invention also forms a suitable counterweight in order to better compensate for imbalances occurring in sheet-fed rotary offset printing machines. The wide rail head of the cover rail also secures the position of the rubber blanket so that it cannot loosen easily. Last but not least, the cover rail serves to avoid injury to operating personnel in the wide cylinder channel.
Nachfolgend wird die Erfindung in einem Ausführungsbeispiel anhand einer Zeichnung beschrieben.The invention is described in an exemplary embodiment with reference to a drawing.
Es zeigt:
- Fig. 1 eine Draufsicht auf den erfindungsgemäßen Gummituchzylinder,
- Fig. 2 einen Schnitt durch den Gummituchzylinder mit aufgespanntem Gummituch.
- 1 is a plan view of the blanket cylinder according to the invention,
- Fig. 2 shows a section through the blanket cylinder with a stretched blanket.
Der Gummituchzylinder 1 weist einen achsparallelen Zylinderkanal 2 auf. Auf dessen Zylindermantel ist ein Gummituch 5 aufgespannt. Die Enden 6, 7 des Gummituches 5 werden mittels Spannspindeln 3, 4 im Zylinderkanal 2 eingelegt und durch Verdrehen der Spannspindeln 3, 4 wird das Gummituch 5 auf der Mantelfläche des Gummituchzylinders 1 aufgespannt. Dabei wird das Gummituch 5 über die Kanalkanten gezogen.The blanket cylinder 1 has an axially
In erfindungsgemäßer Weise befindet sich im Zylinderkanal 2 eine vorzugsweise metallische Abdeckschiene 8, die durch die Kanalöffnung zwischen den beiden Spannspindeln 3, 4 hindurch in den Zylinderkanal 2 eingesetzt wird und durch Schrauben 12, die durch Bohrungen in der Abdeckschiene 8 geführt werden und in Gewindebohrungen 15 einschraubbar sind, am Boden 11 festgeschraubt. Einmal eingesetzt, verbleibt die Abdeckschiene 8 im Zylinderkanal 2.In the manner according to the invention there is a preferably
Die Abdeckschiene 8 erstreckt sich über die gesamte Länge des Zylinderkanals 2 bis dicht an die Seitenwände 13, 14 des Gummituchzylinders 1 heran und besitzt im Querschnitt eine etwa pilzförmige Schienenprofilform. Der Schienenkopf 9 ist dabei so dimensioniert, daß seine Breite etwa gleich dem Abstand der Mittelachsen der Spannspindeln 3, 4 beträgt. Dieser rundkantige Schienenkopf 9 stützt sich über das aufgespannte Gummituch 5 auf den Spannspindeln 3, 4 längs des Zylinderkanals 2 ab. Zwischen Seiten wänden 13, 14 und den seitlichen Flächen des Schienenkopfes 9 ist eine Dichtungsmasse 16, 17 vorgesehen.The
Auf diese Weise ist der Schienenkopf 9 nach allen Seiten gegenüber dem Zylinderkanal 2 abgedichtet. Die Abdeckschiene 8 stellt ferner ein Gegengewicht zum dynamischen Auswuchten des Gummituchzylinders 1 dar. Zugleich wird eine Lockerung des Gummituches 5 an den Kanalkanten verhindert, da sich der Schienenkopf in Kontakt mit dem Gummituch 5 befindet, unter leichter Klemmwirkung der eingeschraubten Abdeckschiene 8.In this way, the rail head 9 is sealed on all sides with respect to the
Die Abdeckschiene 8 ist mit einem Krümmungsradius im Bereich des Überganges vom Schienensteg 10 zum Schienenkopf 9 versehen und in der Größe so angepaßt, daß ein Spalt entsprechend der Dicke des Gummituches 5 zu den Spannspindeln 3, 4 verbleibt.The
- 1 Gummituchzylinder1 blanket cylinder
- 2 Zylinderkanal2 cylinder channel
- 3 Spannspindel3 clamping spindle
- 4 Spannspindel4 clamping spindle
- 5 Gummituch5 rubber blanket
- 6 Gummituchende6 blanket ends
- 7 Gummituchende7 blanket ends
- 8 Abdeckschiene8 cover rail
- 9 Schienenkopf9 rail head
- 10 Schienensteg10 rail web
- 11 Boden11 floor
- 12 Schrauben12 screws
- 13 Seitenwand13 side wall
- 14 Seitenwand14 side wall
- 15 Gewindebohrung15 threaded hole
- 16 Dichtungsmasse16 sealant
- 17 Dichtungsmasse17 sealant
Claims (5)
dadurch gekennzeichnet,
daß in dem Zylinderkanal (2) eine Abdeckschiene (8) vorgesehen ist, die sich im Zylinderkanal (2) über dessen gesamte Länge bis an die Seitenwände (13, 14) erstreckt und im Querschnitt eine etwa pilzförmige Schienenprofilform aufweist, daß der Schienenkopf (9) etwa gleich dem Abstand der Mittelachsen der Spannspindeln (3, 4) breit gewählt ist, daß der Schienenkopf (9) längs des Zylinderkanals (2) über das aufgewickelte Gummituch (5) auf den Spannspindeln (3, 4) abgestützt ist, daß eine Befestigungseinrichtung (12, 15) vorgesehen ist, um die Abdeckschiene (8) am Boden (11) des Zylinderkanals (2) zu befestigen und daß zwischen den Seitenwänden (13, 14) und den diesen zugewandten Flächen am Schienenkopf (9) eine Dichtungsmasse (16, 17) vorgesehen ist.1.) blanket cylinder for sheet-fed rotary offset printing machines, which is covered with a blanket, the ends of which are fastened by means of tensioning spindles in a wide cylinder channel which extends parallel to the cylinder central axis and is provided with a cover,
characterized by
that a cover rail (8) is provided in the cylinder channel (2), which extends in the cylinder channel (2) over its entire length to the side walls (13, 14) and has an approximately mushroom-shaped rail profile shape in cross section that the rail head (9 ) is approximately the same as the distance between the central axes of the tensioning spindles (3, 4) wide, that the rail head (9) along the cylinder channel (2) on the wound rubber blanket (5) on the tensioning spindles (3, 4) is supported that a Fastening device (12, 15) is provided in order to fasten the cover rail (8) to the bottom (11) of the cylinder channel (2) and that between the side walls (13, 14) and the surfaces facing them on the rail head (9) a sealing compound ( 16, 17) is provided.
dadurch gekennzeichnet,
daß der Schienensteg (10) eine Krümmung aufweist, die ,der Krümmung des auf den Spannspindeln (3, 4) aufgewickelten Gummituches (5) angenähert ist.2.) blanket cylinder according to claim 1,
characterized by
that the rail web (10) has a curvature which is close to the curvature of the rubber blanket (5) wound on the tensioning spindles (3, 4).
dadurch gekennzeichnet,
daß die Abdeckschiene (8) aus Grauguß besteht.3.) blanket cylinder according to claim 1 and 2,
characterized by
that the cover rail (8) consists of gray cast iron.
dadurch gekennzeichnet,
daß als Dichtungsmasse (16, 17) ein gummiartiger Kunststoff verwendet wird.4.) blanket cylinder according to claim 1 to 3,
characterized by
that a rubber-like plastic is used as the sealing compound (16, 17).
dadurch gekennzeichnet,
daß die Abdeckschiene (8) am Boden (11) des Gummituchzylinders (1) durch Schrauben (12) befestigt ist.5.) blanket cylinder according to claim 1 to 4,
characterized by
that the cover rail (8) on the bottom (11) of the blanket cylinder (1) is fixed by screws (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3928640 | 1989-08-30 | ||
| DE3928640A DE3928640A1 (en) | 1989-08-30 | 1989-08-30 | RUBBER BLANKET CYLINDERS FOR ARC ROTATION OFFSET PRINTING MACHINES |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0415182A2 true EP0415182A2 (en) | 1991-03-06 |
| EP0415182A3 EP0415182A3 (en) | 1991-05-08 |
| EP0415182B1 EP0415182B1 (en) | 1994-09-21 |
Family
ID=6388159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90115643A Expired - Lifetime EP0415182B1 (en) | 1989-08-30 | 1990-08-16 | Blanket cylinder for sheet-fed offset rotary presses |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5072670A (en) |
| EP (1) | EP0415182B1 (en) |
| JP (1) | JPH0686121B2 (en) |
| AT (1) | ATE111809T1 (en) |
| DE (2) | DE3928640A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5255056A (en) * | 1990-04-20 | 1993-10-19 | Minnesota Mining And Manufacturing Co. | Photoconductor film clamping and tensioning system and method of use |
| US5366784A (en) * | 1991-02-26 | 1994-11-22 | Herbison Paul R | Corrosion inhibiting offset printing blanket |
| DE4420314C2 (en) * | 1994-06-10 | 1999-02-04 | Koenig & Bauer Albert Ag | Device for fastening and tensioning printing plates with "Z" -shaped ends |
| DE19652521C1 (en) * | 1996-12-17 | 1998-03-26 | Wifag Maschf | Channel-cover for offset printing press cylinder |
| EP1588865A1 (en) * | 2004-04-22 | 2005-10-26 | Kba-Giori S.A. | Embossing cylinder |
| CN106113907A (en) * | 2016-07-21 | 2016-11-16 | 江苏华宇印涂设备集团有限公司 | Blanket cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB238402A (en) * | 1924-10-03 | 1925-08-20 | Semoto & Co S | Improvements in or relating to rotary printing presses |
| FR698146A (en) * | 1929-07-01 | 1931-01-27 | Vogtlandische Maschinen Fabrik | Form cylinder for rubber cliché printing machines |
| DE701996C (en) * | 1937-11-27 | 1941-01-28 | Koenig & Bauer Schnellpressfab | Form cylinder for sheet-fed rotogravure printing presses with a flexible printing plate |
| DE2707643A1 (en) * | 1977-02-23 | 1978-08-24 | Roland Offsetmaschf | DEVICE FOR TENSIONING A PRINTING BLANKET ON THE CYLINDER OF A PRESSURE PRESS |
| DE2804556B1 (en) * | 1978-02-03 | 1979-06-07 | Roland Offsetmaschf | Removable duct cover from cylinder ducts on printing machines |
| EP0223015A2 (en) * | 1985-11-15 | 1987-05-27 | M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft | Printing cylinder with a filling piece in its groove |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB364594A (en) * | 1929-07-01 | 1932-01-06 | Vogtlaendische Maschinenfabrik | Form cylinder for rubber printing machines |
| US4357093A (en) * | 1980-12-18 | 1982-11-02 | International Business Machines Corporation | Photoconductor tensioning device |
| DE3110982A1 (en) * | 1981-03-20 | 1982-10-07 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | DISK CYLINDERS WITH A DISK MOUNTING DEVICE |
| DE3337111C2 (en) * | 1983-04-06 | 1985-05-09 | Albert-Frankenthal Ag, 6710 Frankenthal | Gravure forme cylinder |
| DE8401480U1 (en) * | 1984-01-19 | 1984-04-05 | Birkan Drucktuchtechnik GmbH, 8081 Eching | DISK CYLINDER, IN PARTICULAR OFFSET DISK CYLINDER |
| DD225102A1 (en) * | 1984-06-08 | 1985-07-24 | Polygraph Leipzig | DEVICE FOR CHANNEL COVERING OF CYLINDERS IN PRINTING MACHINES |
| DE3512776A1 (en) * | 1985-04-10 | 1986-10-16 | Wolfgang 6450 Hanau Postel | Impression cylinder |
| DE3644501A1 (en) * | 1986-12-24 | 1988-07-07 | Koenig & Bauer Ag | SUPPORT IN A CYLINDER PIT |
| DE3705594C1 (en) * | 1987-02-21 | 1988-06-01 | Roland Man Druckmasch | Device for covering the cylinder pit of a cylinder of a rotary printing press |
| US4815380A (en) * | 1987-02-21 | 1989-03-28 | M.A.N. Roland Druckmaschinen Ag | Printing machine cylinder with adjustable groove cover element |
-
1989
- 1989-08-30 DE DE3928640A patent/DE3928640A1/en active Granted
-
1990
- 1990-08-16 EP EP90115643A patent/EP0415182B1/en not_active Expired - Lifetime
- 1990-08-16 DE DE59007224T patent/DE59007224D1/en not_active Expired - Fee Related
- 1990-08-16 AT AT90115643T patent/ATE111809T1/en not_active IP Right Cessation
- 1990-08-30 JP JP2226810A patent/JPH0686121B2/en not_active Expired - Fee Related
- 1990-08-30 US US07/575,067 patent/US5072670A/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB238402A (en) * | 1924-10-03 | 1925-08-20 | Semoto & Co S | Improvements in or relating to rotary printing presses |
| FR698146A (en) * | 1929-07-01 | 1931-01-27 | Vogtlandische Maschinen Fabrik | Form cylinder for rubber cliché printing machines |
| DE701996C (en) * | 1937-11-27 | 1941-01-28 | Koenig & Bauer Schnellpressfab | Form cylinder for sheet-fed rotogravure printing presses with a flexible printing plate |
| DE2707643A1 (en) * | 1977-02-23 | 1978-08-24 | Roland Offsetmaschf | DEVICE FOR TENSIONING A PRINTING BLANKET ON THE CYLINDER OF A PRESSURE PRESS |
| DE2804556B1 (en) * | 1978-02-03 | 1979-06-07 | Roland Offsetmaschf | Removable duct cover from cylinder ducts on printing machines |
| EP0223015A2 (en) * | 1985-11-15 | 1987-05-27 | M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft | Printing cylinder with a filling piece in its groove |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0415182A3 (en) | 1991-05-08 |
| JPH0390358A (en) | 1991-04-16 |
| DE3928640C2 (en) | 1991-07-11 |
| JPH0686121B2 (en) | 1994-11-02 |
| EP0415182B1 (en) | 1994-09-21 |
| DE3928640A1 (en) | 1991-03-14 |
| ATE111809T1 (en) | 1994-10-15 |
| US5072670A (en) | 1991-12-17 |
| DE59007224D1 (en) | 1994-10-27 |
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