EP0165477A2 - Revêtement pour cylindre ou tambour transportant des feuilles dans les machines rotatives d'impression offsetet utilisation d'un tel revêtement. - Google Patents

Revêtement pour cylindre ou tambour transportant des feuilles dans les machines rotatives d'impression offsetet utilisation d'un tel revêtement. Download PDF

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Publication number
EP0165477A2
EP0165477A2 EP85106073A EP85106073A EP0165477A2 EP 0165477 A2 EP0165477 A2 EP 0165477A2 EP 85106073 A EP85106073 A EP 85106073A EP 85106073 A EP85106073 A EP 85106073A EP 0165477 A2 EP0165477 A2 EP 0165477A2
Authority
EP
European Patent Office
Prior art keywords
elevator
sheet
elevator according
openings
printing
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
EP85106073A
Other languages
German (de)
English (en)
Other versions
EP0165477A3 (en
EP0165477B1 (fr
Inventor
Arno Wirz
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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
Family has litigation
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Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Priority to AT85106073T priority Critical patent/ATE50201T1/de
Publication of EP0165477A2 publication Critical patent/EP0165477A2/fr
Publication of EP0165477A3 publication Critical patent/EP0165477A3/de
Application granted granted Critical
Publication of EP0165477B1 publication Critical patent/EP0165477B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F22/00—Means preventing smudging of machine parts or printed articles
    • 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
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N7/00—Shells for rollers of printing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/02—Top layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/10—Location or type of the layers in shells for rollers of printing machines characterised by inorganic compounds, e.g. pigments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/14—Location or type of the layers in shells for rollers of printing machines characterised by macromolecular organic compounds

Definitions

  • the invention relates to an elevator for sheet-guiding cylinders and drums in rotary offset printing presses for one-sided and two-sided printing, the one surface of which is smooth and the opposite surface of which is structured, at least those which are outstanding from the structured area and are intended for carrying the sheet and are preferably arranged in a statistically uniform distribution Wings are made of paint-friendly, chemically resistant and wear-resistant material.
  • the sheets to be printed are transported by a printing machine to the delivery by means of cylinders and transfer drums.
  • these are printing cylinders, reversing cylinders, storage drums, transfer drums and delivery drums. While passing through this transport route, it cannot be avoided that the freshly printed side of the transported sheet comes to rest here and there on the lateral surfaces of the cylinders and drums mentioned. If no special precautions are taken, the contact of the not yet dry ink with the drum or cylinder surface causes smearing of the printed image, especially when there is a slight relative movement between the surface and the sheet being transported.
  • a sheet delivery drum known from DE-PS 1 561 043 is double-walled and has a cover made of porous and air-permeable material. In the located between the double wall - cavity air is blown. This emerges through the air-permeable cover and creates an air cushion between the outer surface of the sheet delivery drum and the freshly printed underside of the sheet to be transported. This air cushion prevents smearing of the printed image, although it is known that there is a speed difference between the sheet discharged from the chain delivery and the lateral surface of the sheet delivery drum that still guides the freshly printed underside.
  • the known glass bead cloths can only be used to a limited extent on sheet delivery drums, because when the chain gripper passes from the circular path of the chain wheel into the straight chain track, the transported sheet is forced to have a slightly different speed from the surface speed of the outer surface of the sheet delivery drum.
  • the resulting displacement of the freshly printed underside of the sheet relative to the elevator, namely to the glass bead cloth, inevitably causes smearing of the printed image, despite the good ink delivery behavior of the glass bead tips.
  • DE-PS 12 58 873 it is also known to roughen an aluminum sheet that can be clamped onto the lateral surface of printing or sheet guiding cylinders, for example by sandblasting, and then to coat it with a thin chrome layer.
  • the load-bearing parts of the surface created in this way are irregularly high and different that big. Relatively pointed wings are naturally worn out faster by paper than flat ones.
  • the carrier material e.g. aluminum, appears at worn out areas. The color release behavior of these exposed surfaces of the carrier material is so bad that the entire outer surface is no longer suitable for guiding freshly printed sheet pages with perfecting.
  • a relative movement of the sheet guided by the pressure or transfer cylinder cannot be avoided with such a chrome-plated aluminum sheet.
  • a sheet-guiding film is known as an elevator for impression cylinders of rotary offset printing presses for perfecting, one surface of which is smooth and the opposite surface of which is provided with statistically uniformly distributed, equally high spherical caps.
  • a thin chrome layer that compensates for micro-roughness is applied to the structured surface of a chemically resistant, wear-resistant and unyielding base layer with good color-release behavior, for example made of nickel.
  • This film is not only suitable on transfer drums, but especially on printing cylinders for smear-free guiding of sheets printed on both sides. However, such a film is also unable to prevent a relative movement of the guided sheet to the leading lateral surface of the cylinder or the drum.
  • the object of the invention is to ensure a smear-free sheet transport through the entire printing press, both in straight printing and in perfecting.
  • an elevator according to the invention on transfer drums, storage drums, reversing cylinders, printing cylinders and sheet delivery drums ensures that the printed sheets are guided without smearing.
  • the color-proof, structured surface of an elevator according to the invention with the air that is fed in or discharged through the openings, either causes the sheet to be held on the elevator or a contact-free transport by means of this air cushion. If the freshly printed side of the sheet nevertheless briefly touches the raised areas of the structured surface during transport by means of an air cushion, this does not lead to smearing.
  • the amount of air used can be kept within reasonable limits by suitable control.
  • the openings provided on the structured surface of an elevator according to the invention can be arranged exclusively in the valleys between the wings.
  • the cross section of an opening can comprise a maximum of only one wing or cover several wings and valleys of the structured area. It is advantageous if the openings are provided in a statistically evenly distributed manner over the entire structured area. Of course, the openings can also be expediently arranged in an irregular manner over the structured surface. They can be grouped together.
  • the openings have a circular or at least similar cross-section, but openings formed as a polygon, for example as a square, can also be used.
  • the wings of the structured surface can be designed as spherical caps, cylinders or truncated cones.
  • the elevator itself can consist of one or more layers.
  • a galvanoplastic molded nickel foil has been found to be particularly advantageous, the structured surface of which is chrome-plated. By In such a nickel foil, cracks can be molded together with the wings by electroplating. But the use of a glass bead cloth or a plastic or metal foil is also conceivable.
  • the openings can be mechanically introduced into such an elevator, for example punched. As a rule, the diameter of an opening in the structured surface is less than 1 mm, for example 0.3 mm.
  • air openings are provided in the lateral surface carrying the elevator, each of which covers at least two, but preferably several, openings.
  • the glass bead cloth shown in detail in Fig.l corresponds to the commercially available Spherecotetuch.
  • asymmetrically scattered glass beads 1 protrude in a dome shape.
  • These glass beads 1 are vulcanized into the carrier material 2 of the glass bead cloth.
  • the glass beads 1 are hydrophilic, i.e. they willingly give off the color they have accepted from the freshly printed underside of the sheet. So you don't tend to build up color. This is why these glass bead domes are suitable for carrying freshly printed undersides of the bow.
  • the rubber-like carrier material 2 of the glass bead cloth is oleophilic and therefore tends to build up color.
  • Circular openings 3 are punched into the glass bead cloth according to FIG.
  • air can be blown out or sucked in through this.
  • an air cushion is generated at least between the tips of the glass beads 1, so that the freshly printed underside of the sheet only weakly comes into contact with the tops of the glass beads, thereby avoiding smearing of the fresh pressure.
  • a negative pressure is created under the guided arc, as a result of which it is pressed firmly against the tops of the glass beads 1.
  • a further elevator according to the invention is shown in detail in FIG. 2, namely a nickel steel sheet 4, the surface of which is roughened, for example by means of a sandblasting process, and then chrome-plated.
  • the thin chrome cover layer 5 covers the entire roughened surface of the nickel steel sheet 4 serving as a support.
  • the laser beams are used to burn the finest openings 3, for example with a diameter of 0.2 mm, into the elevator according to FIG.
  • These breakthroughs 3 also serve to blow out air or to suck in fresh air.
  • An air cushion can also be generated above the roughened surface of the elevator according to FIG.
  • FIG. 3 shows a particularly advantageous embodiment of the invention.
  • Elevator consisting of two layers, namely a nickel support layer 6 and a thin chrome cover layer 7, which is applied to the structured surface 8 of the nickel support layer 6.
  • the structure of this structured surface 8 consists of dome-shaped wings 9 and valleys 10 between them.
  • the dome-shaped wings 9 are provided asymmetrically, but statistically uniformly distributed on the structured surface 8.
  • the elevator 11 according to FIG. 3 is provided with openings 3 of square cross section, which, as shown in FIG. 4, form a group.
  • the side edge of the square cross section can be, for example, 0.2 mm.
  • the elevator 11 according to FIG. 3 can be produced with the help of the electroplating process.
  • the openings 3 can also be molded at the same time.
  • the elevator 11 is stretched onto the outer surface 12 of a cylinder or a drum.
  • a bore 13 is provided in this lateral surface 12, which has a diameter of approximately 2 mm and covers a group of openings 3.
  • Compressed air is supplied through the bore 13 and blown out of the openings 3.
  • an overpressure is formed above the chrome cover layer 7 of the elevator 11, which raises the sheet 14 to be transported to such an extent that its freshly printed underside does not come into contact with the crests of the spherical wings 9.
  • openings 3 with a larger diameter, for example of approximately 2 mm, can also be provided in the elevator 11.
  • Such an elevator could advantageously be used on a sheet delivery drum.
  • a sheet 14 printed on both sides is transferred from the printing cylinder 15, which is drawn in sections in FIG. 6, to a transfer drum 16.
  • the pressure cylinder 15 is with an elevator 11 according to FIG.
  • Air channels 17 are arranged in its lateral surface 12. They run parallel to the axis of rotation of the printing cylinder 15.
  • a valve disk 18 is provided on an end face of the printing cylinder 15, as shown in FIG. 7, on the side wall of the machine, not shown. It has a control slot 19 which is connected to a vacuum generator via the bore 20.
  • a plurality of air channels 17 are arranged along the lateral surface 12 in a certain area and are connected to the atmosphere via bores 13.
  • the elevator 11 is spanned in such a way that its groups of openings 3 each cover one bore 13 in the air channels 17.
  • the printing units shown schematically in FIG. 8 are a straight printing arrangement.
  • the printing unit 1 consists of the plate cylinder 21, the rubber cylinder 22 and the printing cylinder 23 with a double diameter.
  • the latter is covered with elevators 11. Its design corresponds to that of the pressure cylinder 15 in Fig.6.
  • the Control slot 19 causes a negative pressure generation on the surface of the elevator 11 when the sheet end has just left the pressure gap between the blanket cylinder 22 and the pressure cylinder 23. As described with reference to FIG. 6, this prevents the arch from protruding.
  • a double-diameter transfer drum 16 removes the sheet from the impression cylinder 23.
  • Your sheet guiding surfaces 24 can be covered with an elevator according to FIG. 1, that is to say with a glass bead cloth, which is likewise provided with openings 3 arranged over the entire surface.
  • an elevator according to FIG. 1
  • a glass bead cloth which is likewise provided with openings 3 arranged over the entire surface.
  • air is blown out in the lower region with the aid of the control slot 19, so that the transported sheet 14 is placed against a sheet guide 26.
  • the freshly printed sheet side hardly or not at all touches the surface of the glass bead cloth according to FIG. 1, which is stretched on the transfer drum 16.
  • a printing cylinder 23 of the following printing unit which works together with a blanket cylinder 22 and a plate cylinder 21, takes over the sheet 14 and guides it along the printing nip, where it receives another print of a one-sided multicolor print.
  • This printing cylinder 23 is also covered with elevators 11 according to FIG.
  • Fig. 9 shows schematically two printing units of a perfecting machine. The whole arrangement differs from FIG. 8 only in the design of the arch guide 26 with blow holes.
  • the sheet 14 guided by the printing cylinder 23 of the first printing unit is already printed one or more times on its underside.
  • the pressure cylinder 23 thus leads a turned arc.
  • the sheet printed on its underside receives its first impression in this printing unit.
  • the sheet After passing through the printing nip and taking over the leading edge of the sheet by the transfer drum 16, it becomes precise as in FIG. 8, the sheet is pressed against the elevator 11 of the printing cylinder 23 due to a negative pressure, so that the sheet 14 cannot protrude.
  • An elevator 11 according to FIG. 3 or according to FIG. 5 on a sheet delivery drum 28 can also be used particularly advantageously.
  • This application is shown in Figs. 10 and 11.
  • the sheet is transferred from the schematically represented printing cylinder 23 of the last printing unit to the sheet delivery drum 28 of a chain delivery unit 25.
  • the end of the sheet 14 has been pulled off the blanket cylinder 22, it is prevented by suction due to the special design of the elevator 11 clamped on the impression cylinder 23.
  • the gripper bridge 27 of the chain boom 25 leaves the circumference of the sheet delivery drum 28, the sheet 14 becomes a slightly different speed from the scope of the sheet delivery drum 28 imposed. This inevitably leads to a relative movement between the sheet-guiding outer surface of the sheet delivery drum 28 and the underside of the sheet 14.
  • FIG. 11 shows how smearing of the freshly printed underside of the sheet is avoided by using the elevator 11 according to the invention despite the relative movement.
  • the Bogenauslegetrommel 28 is provided with a plurality of blowing chambers 29, the air-saving and flow-favorable construction with the aid of foamed profile parts 31, for example, P U foam was obtained.
  • the blow chambers 29 are temporarily connected to a compressed air generator (not shown) via control bores 30 and a control slot 19.
  • the first printing unit consists of plate cylinder 21, blanket cylinder 22 and printing cylinder 23. This is followed by the transfer drum 33, which transfers the sheet 14 to the storage drum 34. From there, the turning cylinder 35 takes over the sheet at the front or rear edge, depending on the setting of the machine. From the turning cylinder 35, the sheet arrives at the next printing cylinder 23, which works together with the plate cylinder 21 and the blanket cylinder 23, whereby the sheet 14, depending on the setting of the machine, receives a perfecting or an impression in this printing unit.
  • the single-diameter transfer drum 33 is provided with an elevator as shown in FIG. the sheet is pressed against the sheet guide 26 by means of blowing air, so that the freshly printed sheet side does not come into contact with the guide surface of the transfer drum 33.
  • the storage drum 34 Due to its double diameter, the storage drum 34 is provided with two sheet guiding surfaces and has an adjustable suction box 36 in the region of the rear sheet edge. This is shown enlarged in Figure 13 and can be adjusted to the sheet format.
  • the suction box 36 is connected via a pipe 37 to a vacuum generator, not shown.
  • the cover plate 38 of the suction box 36 provided with bores 20 is glued with an elevator 11 according to FIG. 3. A group of openings 3 are covered by a bore 13.
  • suction box 36 Sucking in the rear area of the sheet 14 by means of the suction box 36 ensures that the trailing edge of the sheet gripper of the turning cylinder 35 is taken over safely and without smearing.
  • the suction box 36 thus above all prevents the sheet 14 printed on its underside from falling or falling.
  • the hydrophilic surface of the elevator 11 additionally prevents the pressure on the underside of the sheet from being smeared.
  • a consequent application of lifts according to the invention on all cylinders and drums of a rotary printing machine guarantees a lubrication-free, safe sheet guidance.
  • blown air can be expelled briefly in a certain angular position in which the elevator does not carry a sheet, as a result of which the breakthroughs 3 of the elevator are adequately cleaned of paint and dust can.
  • the suction box 36 can also be used in normal double-diameter transfer drums.

Landscapes

  • Rotary Presses (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Coating Apparatus (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Screen Printers (AREA)
  • Paper (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Moulding By Coating Moulds (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Processing Of Solid Wastes (AREA)
EP85106073A 1984-06-16 1985-05-17 Revêtement pour cylindre ou tambour transportant des feuilles dans les machines rotatives d'impression offsetet utilisation d'un tel revêtement. Expired - Lifetime EP0165477B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85106073T ATE50201T1 (de) 1984-06-16 1985-05-17 Folie fuer bogenfuehrende zylinder und trommeln in rotationsoffsetdruckmaschinen und verwendung derselben.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3422443A DE3422443C2 (de) 1984-06-16 1984-06-16 Folie für bogenführende Zylinder und Trommeln in Rotations-Offsetdruckmaschinen
DE3422443 1984-06-16

Publications (3)

Publication Number Publication Date
EP0165477A2 true EP0165477A2 (fr) 1985-12-27
EP0165477A3 EP0165477A3 (en) 1987-10-07
EP0165477B1 EP0165477B1 (fr) 1990-02-07

Family

ID=6238542

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85106073A Expired - Lifetime EP0165477B1 (fr) 1984-06-16 1985-05-17 Revêtement pour cylindre ou tambour transportant des feuilles dans les machines rotatives d'impression offsetet utilisation d'un tel revêtement.

Country Status (9)

Country Link
US (1) US4688784A (fr)
EP (1) EP0165477B1 (fr)
JP (2) JPS6111253A (fr)
AT (1) ATE50201T1 (fr)
AU (1) AU576848B2 (fr)
CA (1) CA1238347A (fr)
DE (2) DE3422443C2 (fr)
DK (1) DK160605C (fr)
ES (1) ES8606817A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190364A (en) * 1986-05-14 1987-11-18 Wallace Knight Ltd An assembly for preventing the detachment of a substrate from a revolving cylinder
EP0878301A3 (fr) * 1997-05-09 1999-06-30 Heidelberger Druckmaschinen Aktiengesellschaft Transport de feuilles sans maculage dans une presse rotative
DE4315528C2 (de) * 1993-05-10 2001-10-04 Heidelberger Druckmasch Ag Einrichtung zur Formatanpassung einer Bogenübergabetrommel
DE4315514C2 (de) * 1993-05-10 2001-10-31 Heidelberger Druckmasch Ag Einrichtung zur Formatanpassung einer Bogenübergabetrommel
DE4315513C2 (de) * 1993-05-10 2001-11-08 Heidelberger Druckmasch Ag Einrichtung zur Formatanpassung einer Bogenübergabetrommel
GB2372543A (en) * 2001-02-23 2002-08-28 Bespak Plc Dosage counting device
EP0990518B1 (fr) * 1998-10-01 2003-04-16 Heidelberger Druckmaschinen Aktiengesellschaft Cylindre d'une machine à imprimer, notamment cylindre de contre-pression pour une machine à imprimer à feuilles rotative
US6684774B2 (en) 1997-05-09 2004-02-03 Heidelberger Druckmaschinen Ag Sheet-fed rotary printing press
DE4315511B4 (de) * 1993-05-10 2004-09-02 Heidelberger Druckmaschinen Ag Sauggreifer für eine Bogenübergabetrommel
EP1671807A3 (fr) * 1995-12-29 2007-03-21 DeMoore, Howard W. Habillage flexible pour cylindre de transfert, anti-statique, non souillant, pré-étiré, pressé à plat, coupé avec précision et comportant une bande longitudinale

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836104A (en) * 1987-06-05 1989-06-06 Duarte Products, Inc. Sheet transfer mechanism for a freshly printed sheet
US4967661A (en) * 1987-06-05 1990-11-06 Duarte Procuts, Inc. Sheet transfer mechanism for printing press
DE3869876D1 (de) * 1987-09-11 1992-05-14 Roland Man Druckmasch Vorrichtung in mehrfarbenbogenrotationsdruckmaschinen zum anpressen eines bogens auf den druckzylinder.
DE3902923C2 (de) * 1988-03-16 1994-06-01 Heidelberger Druckmasch Ag Bogenführungstrommel für Bogenrotationsdruckmaschinen
DE3827071A1 (de) * 1988-08-10 1990-02-15 Roland Man Druckmasch Luftkissentrommel fuer bogendruckmaschinen
US5156090A (en) * 1989-06-24 1992-10-20 Heidelberger Druckmaschinen Ag Device for smoothing a sheet on an impression cylinder of a sheet-fed rotary printing machine
DE3936846C1 (fr) * 1989-11-06 1991-04-18 Hilmar 5653 Leichlingen De Vits
US5090685A (en) * 1990-10-02 1992-02-25 Optrotech Ltd. Method and apparatus for securing a sheet material to a rotating vacuum drum using a sealing strip
US5127329A (en) * 1990-12-18 1992-07-07 Howard W. DeMoore Vacuum transfer apparatus for rotary sheet-fed printing presses
US5205217A (en) * 1990-12-31 1993-04-27 Howard W. DeMoore Vacuum transfer apparatus for rotary sheet-fed printing presses
DE4106677C1 (fr) * 1991-03-02 1992-04-23 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
US5190233A (en) * 1991-04-12 1993-03-02 Eastman Kodak Company Apparatus for cutting and feeding strips of web material
DE9107437U1 (de) * 1991-06-17 1991-08-22 Erhardt + Leimer GmbH, 86157 Augsburg Vorrichtung zum Führen einer querstabilen Bahn
DE4122322C2 (de) * 1991-07-05 1994-03-17 Roland Man Druckmasch Beschichtete Papierleitwalze
DE4207119C2 (de) * 1992-03-06 1999-09-02 Roland Man Druckmasch Bogenführendes Druckzylindermantelprofil
DE4230567C2 (de) * 1992-09-12 1994-06-30 Heidelberger Druckmasch Ag Folie als Aufzug für einen Gegendruckzylinder einer Offset-Bogen-Rotationsdruckmaschine zum Schön- und Widerdruck
DE4332708C2 (de) * 1993-09-25 2000-05-04 Heidelberger Druckmasch Ag Vorrichtung zum abschmierfreien Bogentransport in Bogendruckmaschinen
DE9416106U1 (de) * 1994-10-06 1994-11-24 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Bogenleitblech für eine Wendeeinrichtung
DE19505877C2 (de) * 1995-02-21 2003-05-28 Heidelberger Druckmasch Ag Bogendruckmaschine
DE19513427C2 (de) * 1995-04-08 2002-07-11 Koenig & Bauer Ag Bogenführungseinrichtung an Bogenführungszylindern in Druckmaschinen
DE19513426C2 (de) * 1995-04-08 2002-07-11 Koenig & Bauer Ag Verfahren und Einrichtung zum Leiten von Bogen
JPH10754A (ja) * 1996-06-17 1998-01-06 Shinohara Tekkosho:Kk 枚葉式印刷機の版胴
US5842412A (en) * 1997-03-07 1998-12-01 Bba Nonwovens Simpsonville, Inc. Anti-marking covering for printing press transfer cylinder
DE19713361B4 (de) * 1997-03-29 2007-12-27 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zum abschmierfreien Führen eines bedruckten Bogens auf einem bogenführenden Zylinder einer Druckmaschine, insbesondere auf einer Wendetrommel einer Bogenrotations-Offsetdruckmaschine, im Schöndruckbetrieb
EP0899228B1 (fr) * 1997-08-28 2004-04-14 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de guidage à coussin d'air
DE19747040A1 (de) 1997-08-28 1999-03-04 Heidelberger Druckmasch Ag Luftpolsterführung
DE19756942C2 (de) * 1997-12-22 1999-10-07 Heidelberger Druckmasch Ag Druckmaschinenzylinder, insbesondere Gegendruckzylinder für eine Bogenrotationsdruckmaschine
US6125754A (en) * 1998-10-30 2000-10-03 Harris; J. C. Web pressurizing channeled roller and method
CA2254319C (fr) * 1998-11-18 2007-07-24 Paprima Industries Inc. Appareil de guidage de transfert de pointe directionnel
DE10152875B4 (de) * 2000-11-21 2014-08-07 Heidelberger Druckmaschinen Ag Wendeeinrichtung mit Speicher für flächiges Material
DE10062954B4 (de) * 2000-12-16 2004-04-15 Schott Glas Vorrichtung zum Erzeugen von Glasgobs
US6811863B2 (en) 2001-07-20 2004-11-02 Brite Ideas, Inc. Anti-marking coverings for printing presses
DE10164255A1 (de) † 2001-12-27 2003-07-17 Heidelberger Druckmasch Ag Drei-Trommel-Wendeeinrichtung für bogenverarbeitende Maschine
DE10209297A1 (de) * 2002-03-01 2003-09-18 Koenig & Bauer Ag Oberfläche für Maschinenteile einer Druckmaschine
DE10304618B4 (de) * 2002-03-25 2018-10-18 Heidelberger Druckmaschinen Ag Labyrinthdüse
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EP1671807A3 (fr) * 1995-12-29 2007-03-21 DeMoore, Howard W. Habillage flexible pour cylindre de transfert, anti-statique, non souillant, pré-étiré, pressé à plat, coupé avec précision et comportant une bande longitudinale
EP0878301A3 (fr) * 1997-05-09 1999-06-30 Heidelberger Druckmaschinen Aktiengesellschaft Transport de feuilles sans maculage dans une presse rotative
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EP0990518B1 (fr) * 1998-10-01 2003-04-16 Heidelberger Druckmaschinen Aktiengesellschaft Cylindre d'une machine à imprimer, notamment cylindre de contre-pression pour une machine à imprimer à feuilles rotative
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Also Published As

Publication number Publication date
EP0165477A3 (en) 1987-10-07
US4688784A (en) 1987-08-25
ATE50201T1 (de) 1990-02-15
JPH0721344U (ja) 1995-04-18
AU4171585A (en) 1985-12-19
DK160605B (da) 1991-04-02
EP0165477B1 (fr) 1990-02-07
JPS6111253A (ja) 1986-01-18
DK227485A (da) 1985-12-17
DE3575888D1 (de) 1990-03-15
ES543100A0 (es) 1986-05-16
DK160605C (da) 1991-09-02
DK227485D0 (da) 1985-05-22
DE3422443C2 (de) 1989-11-23
ES8606817A1 (es) 1986-05-16
AU576848B2 (en) 1988-09-08
CA1238347A (fr) 1988-06-21
DE3422443A1 (de) 1985-12-19

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