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EP1997759B1 - Guiding element for a strip-producing or strip-processing machine - Google Patents

Guiding element for a strip-producing or strip-processing machine Download PDF

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Publication number
EP1997759B1
EP1997759B1 EP08161186A EP08161186A EP1997759B1 EP 1997759 B1 EP1997759 B1 EP 1997759B1 EP 08161186 A EP08161186 A EP 08161186A EP 08161186 A EP08161186 A EP 08161186A EP 1997759 B1 EP1997759 B1 EP 1997759B1
Authority
EP
European Patent Office
Prior art keywords
guide element
openings
element according
web
micro
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
Application number
EP08161186A
Other languages
German (de)
French (fr)
Other versions
EP1997759A1 (en
Inventor
Johannes Boppel
Peter Leidig
Ernst Lohmüller
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
Koenig and Bauer 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
Priority claimed from DE10307089A external-priority patent/DE10307089B4/en
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1997759A1 publication Critical patent/EP1997759A1/en
Application granted granted Critical
Publication of EP1997759B1 publication Critical patent/EP1997759B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H45/30—Folding in combination with creasing, smoothing or application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • 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
    • B41F21/10—Combinations of transfer drums and grippers
    • B41F21/104—Gripper details
    • 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
    • B41F25/00—Devices for pressing sheets or webs against cylinders, e.g. for smoothing purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • 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
    • B65H45/28—Folding in combination with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2401/00—Materials used for the handling apparatus or parts thereof; Properties thereof
    • B65H2401/20—Physical properties, e.g. lubricity
    • B65H2401/242—Porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/111—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along a curved path, e.g. fluidised turning bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/113—Details of the part distributing the air cushion
    • B65H2406/1131—Porous material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/84—Paper-making machines

Definitions

  • the invention relates to a guide element, in particular turner bars, a web-forming or -processing machine according to the preamble of claim 1.
  • a turner bar is disclosed, wherein a tube wall segment of porous, air-permeable material together with a base body forms a closed pressure chamber.
  • the porous segment forms a wall of the chamber and load carrying over its width - without load-bearing pad - executed.
  • a segment having through holes is arranged instead of the porous segment.
  • the US 54 23 468 A shows a guide element, which has a bore-containing inner body and an outer body made of porous, air-permeable material.
  • the holes in the inner body are provided only in the expected wrap.
  • the JP 06 198836 A discloses a turner bar which is made of porous porous sintered metal with fluid-permeable openings of 10 to 30 microns is.
  • the DE 31 31 621 A1 shows a turning bar with two longitudinal half-shell-like in cross-section chambers which, depending on the position of the turning bar to the web optionally interact with this.
  • DE 101 15 916 A1 discloses a turner bar with in a longitudinal section substantially arranged around the entire circumference openings for the discharge of compressed air, which is in relation to an incoming web in at least two angular positions can be brought.
  • the openings are associated with two substantially half-shell-like halves of the cylindrical surface of the guide element.
  • the DE 31 27 872 A1 shows a pivotable turning bar, at the one sliding end via a telescopic tube and an opening in the turning bar blowing air is supplied.
  • the EP 0 705 785 A2 deals with the transport and the deflection of band-shaped material, in particular in the form of z. B. footage. Only in the respective wrapping area are open micropores or microbores designed air outlet openings provided.
  • the invention has for its object to provide a guide element of a web-generating or - processing machine with improved air cushion.
  • micro-openings are understood here openings on the surface of the component, which have a diameter of less than or equal to 500 ⁇ m, advantageously less than or equal to 300 ⁇ m, in particular less than or equal to 150 ⁇ m.
  • the air cushion is made uniform and the volume flow exiting per unit area is reduced in such a way that a leakage current can be reasonably small even in regions which are not looped around by the web.
  • a guide 01, z. B. Bahnleitelement 01 is used in a train-producing or - processing machine, for.
  • a paper machine winding machine, packaging machine or in particular printing machine, the leadership or a change of direction of a run on the guide element 01 web 02, z. B. web 02 or substrate web 02, in particular paper web 02.
  • the guide 01 is in particular designed as a so-called. Turning bar 01, by means of which- depending on their position relative to the direction of the incoming or incoming web 02 - by looping the turning bar 01 for the Bahn 02 a change of direction by about + 90 ° or about -90 ° is effected.
  • the turning bar 01 can serve as a pair of two parallel turning bars 01 inclined at 45 ° to the direction of the web transport for lateral offset, or as a pair of turning bars 01 inclined at 45 ° and -45 ° to the direction of transport of the web to collapse the web 01 ,
  • a plurality of turning bar pairs are arranged.
  • the turning bar 01 or the turning bar pair can be arranged after a printing unit and before a folding apparatus or after a dryer and before a folder of a rotary printing machine. It has z. Example, an outer diameter of 60-100 mm and, for example, a length of more than 1,200 mm.
  • the turning bar 01 (or both turning bars 01 respectively) at least two positions and is (or are) pivotable in particular by 90 °, wherein in a first position, a first half of the lateral surface in the circumferential direction is wrapped by a web 02 ( Fig. 1a ) and in a second position, a second half of the lateral surface is looped ( Fig. 1b ).
  • the lateral surface of the turning bar 01 has openings 03, z. B. micro-openings 03, by which in operation from an in-lying cavity 04, z. B. a chamber 04, in particular pressure chamber 04, under overpressure against the environment fluid standing, z. As a liquid, a gas or a mixture, in particular air, flows. In the figures, a corresponding supply of compressed air into the cavity 04 is not shown.
  • the turning bar 01 has on its lateral surface in the circumferential direction both on the looped in the respective operating situation side and on the not covered by the web 02, d. H. the opposite side micro-openings 03 on. At least on a longitudinal section of the turning bar 01 provided for wrapping, the latter thus has micro openings 03 distributed over the full circumference of 360 ° (facing as well as the opposite side).
  • no device or mechanism is provided for the turning bar 01, which (r) in operation prevents the flow of fluid from the cavity 04 through the micro-openings 03 on the side facing away from the web 02. D.
  • the micro-openings 03 are in each of the at least two mentioned operating situations in a complete peripheral region of 360 ° with fluid flowed through or flows through. Switching the turning bar 01 from one to the other position requires only a pivoting, and no additional covering the openings or no interruption of the passageway between the cavity 04 and micro-opening 03.
  • This simple design is made possible by the formation of the openings 03 as micro-openings 03 makes sense, as hereby created a thinner but more homogeneous air cushion, at the same time a required or resulting volume flow and thus a leakage current on the "open" side is significantly reduced.
  • the high resistance of the micro-apertures 03 in contrast to large-cross-section apertures, causes "not capping" a range of apertures to result in a sort of short-circuit current. In the total resistance of the falling over the openings 03 partial resistance receives an increased weight.
  • Fig. 2 are the micro-openings 03 as openings through holes 11, in particular microbores 11 executed, which is characterized by a z. B. as a pressure chamber 04 formed cavity 04 delimiting wall 12, z. B. chamber wall 12, extend outward.
  • the holes 11 have z. B. a diameter (at least in the region of the openings 03) of less than or equal to 500 .mu.m, advantageously less than or equal to 300 .mu.m, in particular between 60 and 150 .mu.m.
  • the opening degree is z. B. at 3 to 25%, especially at 5 to 15%.
  • a hole density is at least 1/5 mm 2 , in particular at least 1 / mm 2 up to 4 / mm 2 .
  • the wall 12 thus has, at least in one of the web 02 opposite region, a microperforation.
  • the microperforation extends around the full circumference of 360 °.
  • the flow resistance influencing wall thickness of the holes containing chamber wall 12 is z. B. at 0.2 to 3.0 mm, advantageously at 0.2 to 1.5 mm. in particular from 0.3 to 0.8 mm.
  • a reinforcing construction not shown, for example, in the longitudinal direction of the turning bar 01 extending carrier, in particular metal support, be arranged on which the chamber wall 12 is at least partially or selectively supported.
  • the chamber 04 enclosing wall 12 is z. B. by a hollow profile body, preferably a tubular hollow profile body, in particular a hollow profile body formed with annular profile.
  • an overpressure in the chamber 04 of 0.5 to 2 bar, in particular from 0.5 to 1.0 bar of advantage.
  • the bores 11 may be cylindrical, funnel-shaped or else of a special shape (for example in the form of a Laval nozzle).
  • the microperforation, d. H. the bores 11 are preferably produced by drilling by means of accelerated particles (eg liquid such as water jet, ions or elementary particles) or by means of electromagnetic radiation of high energy density (eg light by means of a laser beam). Particularly advantageous is the production by means of electron beam.
  • accelerated particles eg liquid such as water jet, ions or elementary particles
  • electromagnetic radiation of high energy density eg light by means of a laser beam
  • the web 02 facing side of the holes 11 having wall 12, z.
  • a wall 12 formed of stainless steel in a preferred embodiment, a dirt and / or color-repellent finish. It has a not shown, the openings 03 and holes 11 not covering coating -.
  • the holes having the wall is formed in a variant as one or more inserts in a carrier.
  • the insert may be fixed or changeable connected to the carrier. The latter is advantageous with respect to a cleaning or an exchange of inserts of different types of microperforations for adaptation to different materials and web widths.
  • such inserts may for example be arranged on a running in the cavity 04 carrier.
  • each chamber 04 a part of Jacket surface of the turning bar 01 is assigned in the circumferential direction.
  • Each chamber 04 is selectively acted upon by compressed air, so that in each position, the respective looped region of the turning bar 01 is subjected to compressed air.
  • z. B. at the turning bar 01 at least two optionally be acted upon with compressed air supply lines 13 or the chambers 04 are acted upon via a multi-way valve either with the source of a compressed air compressed ( Fig. 4 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Coating Apparatus (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Advancing Webs (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Paper (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Coating With Molten Metal (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Forging (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Bridges Or Land Bridges (AREA)
  • Safety Valves (AREA)
  • Dental Preparations (AREA)
  • Saccharide Compounds (AREA)
  • Handling Of Sheets (AREA)
  • Rotary Presses (AREA)
  • Control Of Electric Motors In General (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Materials For Medical Uses (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Filtering Materials (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Lead Frames For Integrated Circuits (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Electronic Switches (AREA)

Abstract

A folding element for a printing press, or sheet handler, has the folding guide (03) with a microporous surface to generate an air cushion and thereby prevent mechanical contact between the guide and the sheets. The pore size is less than 500 microns and the pores are evenly distributed over the surface of the guide. Air is blown through the porous surface from inside the hollow guide.

Description

Die Erfindung betrifft ein Leitelement, insbesondere Wendestangen, einer bahnerzeugenden oder -verarbeitenden Maschine gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a guide element, in particular turner bars, a web-forming or -processing machine according to the preamble of claim 1.

Aus der DE 93 20 281 U1 ist ein als Wendestange ausgeführtes Bahnleitelement bekannt, welches in Bezug auf eine einlaufende Bahn in mindestens zwei Winkelstellungen bringbar ist. Beim Verschwenken von einer in die andere Stellung werden Öffnungen eines Innenkörpers gegenüber Öffnungen eines Außenkörpers der Wendestange derart gegeneinander verschoben, dass die nicht benötigten Luftaustrittsöffnungen verschlossen sind.From the DE 93 20 281 U1 is designed as a turning bar Bahnleitelement known, which is in relation to an incoming web in at least two angular positions can be brought. When pivoting from one to the other position openings of an inner body with respect to openings of an outer body of the turning bar are shifted against each other such that the unneeded air outlet openings are closed.

Durch die US 37 44 693 A ist in einem Ausführungsbeispiel eine Wendestange offenbart, wobei ein Rohrwandsegment aus porösem, luftdurchlässigem Material mit einem Grundkörper zusammen eine geschlossene Druckkammer bildet. Das poröse Segment bildet eine Wandung der Kammer und ist über deren Breite hinweg Last tragend - ohne lasttragende Unterlage - ausgeführt. In einem zweiten Beispiel ist anstelle des porösen Segmentes ein durchgehende Bohrungen aufweisendes Segment angeordnet.By the US 37 44 693 A In one exemplary embodiment, a turner bar is disclosed, wherein a tube wall segment of porous, air-permeable material together with a base body forms a closed pressure chamber. The porous segment forms a wall of the chamber and load carrying over its width - without load-bearing pad - executed. In a second example, a segment having through holes is arranged instead of the porous segment.

Die US 54 23 468 A zeigt ein Leitelement, welches einen Bohrungen aufweisenden Innenkörper und einen Außenkörper aus porösem, luftdurchlässigem Material aufweist. Die Bohrungen im Innenkörper sind lediglich im zu erwartenden Umschlingungsbereich vorgesehen.The US 54 23 468 A shows a guide element, which has a bore-containing inner body and an outer body made of porous, air-permeable material. The holes in the inner body are provided only in the expected wrap.

Die JP 06 198836 A offenbart eine Wendestange, welche vollwandig aus porösem Sintermetall mit von einem Fluid durchströmbaren Öffnungen von 10 bis 30 µm ausgeführt ist.The JP 06 198836 A discloses a turner bar which is made of porous porous sintered metal with fluid-permeable openings of 10 to 30 microns is.

Durch die WO 00/39011 sind Vorrichtungen zum Führen einer Bahn offenbart, deren Wandung zwischen einem Zuführraum für Druckfluid und der Führungsfläche vollwandig und selbsttragend aus porösem Material mit mittlerem Porendurchmesser von weniger als 500 µm ausgeführt sind.By the WO 00/39011 discloses devices for guiding a web whose wall between a feed space for pressurized fluid and the guide surface are made fully walled and self-supporting porous material with average pore diameter of less than 500 microns.

In der US 5423 468 A ist auf einem lasttragenden Grundkörper eines Leitelementes eine Hülse aus porösem Material mit Poren einer Größe von ca. 25 µm angeordnet. Der Grundkörper weist auf der von der Bahn umschlungenen Seite Bohrungen für den Durchtritt von Druckluft auf.In the US 5423 468 A is arranged on a load-bearing body of a guide element, a sleeve of porous material with pores of a size of about 25 microns. The main body has on the looped by the web side holes for the passage of compressed air.

Die DE 31 31 621 A1 zeigt eine Wendestange mit zwei längs verlaufenden im Querschnitt halbschalenartigen Kammern, welche je nach Lage der Wendestange zur Bahn wahlweise mit dieser zusammen wirken.The DE 31 31 621 A1 shows a turning bar with two longitudinal half-shell-like in cross-section chambers which, depending on the position of the turning bar to the web optionally interact with this.

Durch die DE 101 15 916 A1 ist eine Wendestange mit in einem Längsabschnitt im wesentlichen um den gesamten Umfang angeordneten Öffnungen für den Austritt von Druckluft offenbart, welche in Bezug auf eine einlaufende Bahn in mindestens zwei Winkelstellungen bringbar ist. Die Öffnungen sind zwei im wesentlichen halbschalenartigen Hälften der zylindrischen Mantelfläche des Leitelements zugeordnet.By the DE 101 15 916 A1 discloses a turner bar with in a longitudinal section substantially arranged around the entire circumference openings for the discharge of compressed air, which is in relation to an incoming web in at least two angular positions can be brought. The openings are associated with two substantially half-shell-like halves of the cylindrical surface of the guide element.

Die DE 31 27 872 A1 zeigt eine verschwenkbare Wendestange, an deren einen verschiebbaren Ende über ein Teleskoprohr und eine Öffnung in die Wendestange Blasluft zugeführt wird.The DE 31 27 872 A1 shows a pivotable turning bar, at the one sliding end via a telescopic tube and an opening in the turning bar blowing air is supplied.

Die EP 0 705 785 A2 beschäftigt sich mit dem Transport und dem Umlenken von bandförmigem Material, insbesondere in Form von z. B. Filmmaterial. Lediglich im jeweiligen Umschlingungsbereich sind als offene Mikroporen oder Mikrobohrungen ausgeführte Luftaustrittsöffnungen vorgesehen.The EP 0 705 785 A2 deals with the transport and the deflection of band-shaped material, in particular in the form of z. B. footage. Only in the respective wrapping area are open micropores or microbores designed air outlet openings provided.

Der Erfindung liegt die Aufgabe zugrunde, ein Leitelement einer bahnerzeugenden oder - verarbeitenden Maschine mit verbessertem Luftpolster zu schaffen.The invention has for its object to provide a guide element of a web-generating or - processing machine with improved air cushion.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst.The object is achieved by the features of claim 1.

Bevorzugte Ausführungsformen der Erfindung werden in dem abhängigen Ansprüchen beansprucht.Preferred embodiments of the invention are claimed in the dependent claims.

Mit den herkömmlichen Öffnungen sind punktuell auf das Material Kräfte (Impuls des Strahls) aufbringbar, mittels welchen dieses vom betreffenden Bauteil fern, bzw. an ein anderes Bauteil angestellt wird, während durch eine Verteilung von Mikroöffnungen mit hoher Lochdichte eine breite Unterstützung und vorrangig der Effekt eines ausgebildeten Luftpolsters zum Tragen kommt. Bisher verwendete Bohrungen lagen im Querschnitt beispielsweise bei 1 bis 3 mm, wohingegen für die Mikroöffnungen der Querschnitt um mindestens eine Zehnerpotenz kleiner liegt. Es bilden sich hierdurch wesentlich verschiedene Effekte aus. Beispielsweise lässt sich der Abstand zwischen der die Öffnungen tragenden Oberfläche und der Bahn verringern, der Volumenstrom an Strömungsmittel erheblich absenken, und hierdurch außerhalb des Wirkbereichs mit der Bahn austretende Verlustströme deutlich verkleinern.With the conventional openings punctiform on the material forces (pulse of the beam) can be applied, by means of which it is employed by the relevant component, or to another component, while by a distribution of micro holes with high hole density, a broad support and primarily the effect a trained air cushion comes into play. Previously used holes were in cross section, for example, 1 to 3 mm, whereas for the micro-openings, the cross-section is smaller by at least one order of magnitude. This results in significantly different effects. For example, the distance between the surface carrying the openings and the web can be reduced, the volume flow of fluid can be lowered considerably and, as a result, leakage losses that occur outside the effective range with the web can be significantly reduced.

Im Gegensatz zu bekannten Bauteilen mit herkömmlichen Öffnungen bzw. Bohrungen von Öffnungsquerschnitten im Bereich von Millimetern und einem Lochabstand von mehreren Millimetern, wird durch die Ausbildung von Mikroöffnungen auf der Oberfläche eine weitaus homogenere Oberflächenstruktur geschaffen. Unter Mikroöffnungen werden hier Öffnungen auf der Oberfläche des Bauteils verstanden, welche einen Durchmesser kleiner oder gleich 500 µm, vorteilhaft kleiner oder gleich 300 µm, insbesondere kleiner oder gleich 150 µm aufweisen. Eine "Lochdichte" für die mit den Mikroöffnungen versehene Fläche liegt bei mindestens einer Mikroöffnung je 5 mm2 (= 0,20 / mm2), vorteilhaft mindestens eine Mikroöffnung je 3,6 mm2 (= 0,28 / mm2).In contrast to known components with conventional openings or holes of opening cross-sections in the range of millimeters and a hole spacing of several millimeters, the formation of micro-openings on the surface creates a much more homogeneous surface structure. By micro-openings are understood here openings on the surface of the component, which have a diameter of less than or equal to 500 μm, advantageously less than or equal to 300 μm, in particular less than or equal to 150 μm. A "hole density" for the surface provided with the micro-openings is at least one micro-opening per 5 mm 2 (= 0.20 / mm 2 ), advantageously at least one micro-opening per 3.6 mm 2 (= 0.28 / mm 2 ).

Durch die Ausbildung der Öffnungen als Mikroöffnungen wird das Luftpolster vergleichmäßigt und der je Flächeneinheit austretende Volumenstrom derart herabgesetzt, dass auch in nicht durch die Bahn umschlungenen Bereichen ein Verluststrom vertretbar klein sein kann.As a result of the formation of the openings as microapertures, the air cushion is made uniform and the volume flow exiting per unit area is reduced in such a way that a leakage current can be reasonably small even in regions which are not looped around by the web.

Bevorzugt kann die der Bahn zugewandte und die Mikroöffnungen aufweisende Seite des Leitelementes als ein Einsatz oder mehrere Einsätze in einem Träger ausgebildet sein. Der Einsatz kann in Weiterbildung lös- und ggf. wechselbar mit dem Träger verbunden sein. So ist eine Reinigung und/oder aber ein Austausch von Einsätzen verschiedenartiger Mikroperforationen zur Anpassung an unterschiedliche Materialien und Bahnbreiten möglich.Preferably, the web-facing and the micro-openings having side of the guide element may be formed as one or more inserts in a carrier. The insert can be releasably and possibly changeable connected with the carrier in training. Thus, it is possible to clean and / or exchange inserts of different types of microperforations for adaptation to different materials and web widths.

Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im Folgenden näher beschrieben.Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

Es zeigen:

Fig. 1
eine schematische Darstellung der Wendestange in einer ersten a) und einer zweiten b) Stellung;
Fig. 2
einen perspektivischen Schnitt der Wendestange mit vollumfänglich angeordneten Mikrobohrungen;
Fig. 3
eine schematische Darstellung für eine verschwenkbare Wendestange in anderer Ausführung;
Fig. 4
einen Schnitt durch eine Wendestange nach Fig. 3.
Show it:
Fig. 1
a schematic representation of the turning bar in a first a) and a second b) position;
Fig. 2
a perspective section of the turning bar with fully arranged microbores;
Fig. 3
a schematic representation of a pivotable turning bar in another Execution;
Fig. 4
a section through a turning bar after Fig. 3 ,

Ein Leitelement 01, z. B. Bahnleitelement 01, dient in einer bahnerzeugenden oder - verarbeitenden Maschine, z. B. einer Papiermaschine, Wickelmaschine, Verpackungsmaschine oder insbesondere Druckmaschine, der Führung bzw. einem Richtungswechsel einer auf das Leitelement 01 auflaufenden Bahn 02, z. B. Materialbahn 02 oder Bedruckstoffbahn 02, insbesondere Papierbahn 02. Das Leitelement 01 ist insbesondere als sog. Wendestange 01 ausgeführt, mittels welcher- abhängig von ihrer Stellung relativ zur Richtung der ein- bzw. auflaufenden Bahn 02 - durch Umschlingung der Wendestange 01 für die Bahn 02 ein Richtungswechsel um ca. +90° oder ca.-90° bewirkt wird. Die Wendestange 01 kann als Paar von zwei parallelen, 45° zur Bahntransportrichtung geneigte Wendestangen 01 zum seitlichen Versatz, oder als Paar von unter 90° zueinander gekreuzten, um 45° bzw.-45° zur Bahntransportrichtung geneigten Wendestangen 01 zum Stürzen der Bahn 01 dienen. Vorteilhafterweise sind mehrere Wendestangenpaare angeordnet.A guide 01, z. B. Bahnleitelement 01, is used in a train-producing or - processing machine, for. As a paper machine, winding machine, packaging machine or in particular printing machine, the leadership or a change of direction of a run on the guide element 01 web 02, z. B. web 02 or substrate web 02, in particular paper web 02. The guide 01 is in particular designed as a so-called. Turning bar 01, by means of which- depending on their position relative to the direction of the incoming or incoming web 02 - by looping the turning bar 01 for the Bahn 02 a change of direction by about + 90 ° or about -90 ° is effected. The turning bar 01 can serve as a pair of two parallel turning bars 01 inclined at 45 ° to the direction of the web transport for lateral offset, or as a pair of turning bars 01 inclined at 45 ° and -45 ° to the direction of transport of the web to collapse the web 01 , Advantageously, a plurality of turning bar pairs are arranged.

Die Wendestange 01 bzw. das Wendestangenpaar, kann nach einem Druckwerk und vor einem Falzapparat oder nach einem Trockner und vor einem Falzapparat einer Rotationsdruckmaschine angeordnet sein. Sie weist z. B. einen Außendurchmesser von 60-100 mm und beispielsweise eine Länge von mehr als 1.200 mm auf. Dabei weist die Wendestange 01 (bzw. weisen beide Wendestangen 01 jeweils) mindestens zwei Stellungen auf und ist (bzw. sind) insbesondere um 90° schwenkbar, wobei in einer ersten Stellung eine erste Hälfte der Mantelfläche in Umfangsrichtung von einer Bahn 02 umschlungen wird (Fig. 1a) und in einer zweiten Stellung eine zweite Hälfte der Mantelfläche umschlungen ist (Fig. 1b).The turning bar 01 or the turning bar pair can be arranged after a printing unit and before a folding apparatus or after a dryer and before a folder of a rotary printing machine. It has z. Example, an outer diameter of 60-100 mm and, for example, a length of more than 1,200 mm. In this case, the turning bar 01 (or both turning bars 01 respectively) at least two positions and is (or are) pivotable in particular by 90 °, wherein in a first position, a first half of the lateral surface in the circumferential direction is wrapped by a web 02 ( Fig. 1a ) and in a second position, a second half of the lateral surface is looped ( Fig. 1b ).

Die Mantelfläche der Wendestange 01 weist Öffnungen 03, z. B. Mikroöffnungen 03 auf, durch welche im Betrieb aus einem im Innern liegenden Hohlraum 04, z. B. einer Kammer 04, insbesondere Druckkammer 04, unter Überdruck gegen die Umgebung stehendes Fluid, z. B. eine Flüssigkeit, ein Gas oder ein Gemisch, insbesondere Luft, strömt. In den Figuren ist eine entsprechende Zuleitung von Druckluft in den Hohlraum 04 nicht dargestellt.The lateral surface of the turning bar 01 has openings 03, z. B. micro-openings 03, by which in operation from an in-lying cavity 04, z. B. a chamber 04, in particular pressure chamber 04, under overpressure against the environment fluid standing, z. As a liquid, a gas or a mixture, in particular air, flows. In the figures, a corresponding supply of compressed air into the cavity 04 is not shown.

Die Wendestange 01 weist auf ihre Mantelfläche in Umfangsrichtung sowohl auf der in der jeweiligen Betriebssituation umschlungenen Seite als auch auf der nicht durch die Bahn 02 bedeckten, d. h. der abgewandten Seite Mikroöffnungen 03 auf. Zumindest auf einem zur Umschlingung vorgesehenen Längsabschnitt der Wendestange 01 weist diese somit über den vollen Umfang von 360° (zugewandte als auch abgewandte Seite) verteilte Mikroöffnungen 03 auf. In bevorzugter Ausführung ist für die Wendestange 01 keinerlei Vorrichtung oder Mechanismus vorgesehen, welche(r) im Betrieb das Strömen des Fluids vom Hohlraum 04 durch die Mikroöffnungen 03 auf der der Bahn 02 abgewandeten Seite unterbindet. D. h., die Mikroöffnungen 03 sind in jeder der mindestens zwei genannten Betriebsituationen in einem vollständigen Umfangsbereich von 360° mit Fluid durchströmbar bzw. durchströmt. Ein Umstellen der Wendestange 01 von einer in die andere Stellung erfordert lediglich ein Verschwenken, und kein zusätzliches Abdecken der Öffnungen bzw. kein Unterbrechen des Durchtrittsweges zwischen Hohlraum 04 und Mikroöffnung 03.The turning bar 01 has on its lateral surface in the circumferential direction both on the looped in the respective operating situation side and on the not covered by the web 02, d. H. the opposite side micro-openings 03 on. At least on a longitudinal section of the turning bar 01 provided for wrapping, the latter thus has micro openings 03 distributed over the full circumference of 360 ° (facing as well as the opposite side). In a preferred embodiment, no device or mechanism is provided for the turning bar 01, which (r) in operation prevents the flow of fluid from the cavity 04 through the micro-openings 03 on the side facing away from the web 02. D. h., The micro-openings 03 are in each of the at least two mentioned operating situations in a complete peripheral region of 360 ° with fluid flowed through or flows through. Switching the turning bar 01 from one to the other position requires only a pivoting, and no additional covering the openings or no interruption of the passageway between the cavity 04 and micro-opening 03.

Diese einfache Ausführung wird durch die Ausbildung der Öffnungen 03 als Mikroöffnungen 03 sinnvoll möglich, da hiermit ein dünneres aber homogeneres Luftpolster geschaffen, gleichzeitig ein erforderlicher bzw. resultierender Volumenstrom und damit auch ein Verluststrom über die "offene" Seite erheblich reduziert ist. Der hohe Widerstand der Mikroöffnungen 03 bewirkt im Gegensatz zu Öffnungen großen Querschnitts, dass ein "Nichtbedecken" eines Bereichs von Öffnungen nicht zu einer Art Kurzschlussstrom führt. Im Gesamtwiderstand erhält der über die Öffnungen 03 abfallende Teilwiderstand ein erhöhtes Gewicht.This simple design is made possible by the formation of the openings 03 as micro-openings 03 makes sense, as hereby created a thinner but more homogeneous air cushion, at the same time a required or resulting volume flow and thus a leakage current on the "open" side is significantly reduced. The high resistance of the micro-apertures 03, in contrast to large-cross-section apertures, causes "not capping" a range of apertures to result in a sort of short-circuit current. In the total resistance of the falling over the openings 03 partial resistance receives an increased weight.

Gemäß der Erfindung (Fig. 2) sind die Mikroöffnungen 03 als Öffnungen durchgehender Bohrungen 11, insbesondere Mikrobohrungen 11 ausgeführt, welche sich durch eine den z. B. als Druckkammer 04 ausgebildeten Hohlraum 04 begrenzende Wand 12, z. B. Kammerwand 12, nach außen erstrecken. Die Bohrungen 11 weisen z. B. einen Durchmesser (zumindest im Bereich der Öffnungen 03) von kleiner oder gleich 500 µm, vorteilhaft kleiner oder gleich 300 µm, insbesondere zwischen 60 und 150 µm auf. Der Öffnungsgrad liegt z. B. bei 3 bis 25 %, insbesondere bei 5 bis 15 %. Eine Lochdichte beträgt zumindest 1 / 5 mm2, insbesondere mindestens 1 / mm2 bis hin zu 4 / mm2. Die Wand 12 weist somit, zumindest in einem der Bahn 02 gegenüber liegenden Bereich, eine Mikroperforation auf. Vorteilhafter Weise erstreckt sich die Mikroperforation um den vollen Umfang von 360°.According to the invention ( Fig. 2 ) are the micro-openings 03 as openings through holes 11, in particular microbores 11 executed, which is characterized by a z. B. as a pressure chamber 04 formed cavity 04 delimiting wall 12, z. B. chamber wall 12, extend outward. The holes 11 have z. B. a diameter (at least in the region of the openings 03) of less than or equal to 500 .mu.m, advantageously less than or equal to 300 .mu.m, in particular between 60 and 150 .mu.m. The opening degree is z. B. at 3 to 25%, especially at 5 to 15%. A hole density is at least 1/5 mm 2 , in particular at least 1 / mm 2 up to 4 / mm 2 . The wall 12 thus has, at least in one of the web 02 opposite region, a microperforation. Advantageously, the microperforation extends around the full circumference of 360 °.

Eine u.a. den Strömungswiderstand beeinflussende Wandstärke der die Bohrungen beinhaltenden Kammerwand 12 liegt z. B. bei 0,2 bis 3,0 mm, vorteilhaft bei 0,2 bis 1,5 mm. insbesondere von 0,3 bis 0,8 mm. Im Innern der Wendestange 01, insbesondere im Hohlraum 04, kann eine nicht dargestellte verstärkende Konstruktion, beispielsweise ein sich in Längsrichtung der Wendestange 01 erstreckender Träger, insbesondere Metallträger, angeordnet sein, auf welchem sich die Kammerwand 12 zumindest abschnittsweise bzw. punktuell abstützt.One u.a. the flow resistance influencing wall thickness of the holes containing chamber wall 12 is z. B. at 0.2 to 3.0 mm, advantageously at 0.2 to 1.5 mm. in particular from 0.3 to 0.8 mm. In the interior of the turning bar 01, in particular in the cavity 04, a reinforcing construction, not shown, for example, in the longitudinal direction of the turning bar 01 extending carrier, in particular metal support, be arranged on which the chamber wall 12 is at least partially or selectively supported.

Die die Kammer 04 umschließende Wand 12 ist z. B. durch einen Hohlprofilkörper, vorzugsweise einen rohrförmigen Hohlprofilkörper, insbesondere einen Hohlprofilkörper mit kreisringförmigen Profil ausgebildet.The chamber 04 enclosing wall 12 is z. B. by a hollow profile body, preferably a tubular hollow profile body, in particular a hollow profile body formed with annular profile.

Für die Ausführung der Mikroöffnungen 03 als Öffnungen 03 von Bohrungen 11 ist z. B. ein Überdruck in der Kammer 04 von 0,5 bis 2 bar, insbesondere von 0,5 bis 1,0 bar von Vorteil.For the execution of the micro-openings 03 as openings 03 of holes 11 z. B. an overpressure in the chamber 04 of 0.5 to 2 bar, in particular from 0.5 to 1.0 bar of advantage.

Die Bohrungen 11 können zylindrisch, trichterförmig oder aber mit anderer spezieller Formgebung (z. B. in Form einer Lavaldüse) ausgeführt sein.The bores 11 may be cylindrical, funnel-shaped or else of a special shape (for example in the form of a Laval nozzle).

Die Mikroperforation, d. h. die Herstellung der Bohrungen 11, erfolgt vorzugsweise durch Bohren mittels beschleunigter Teilchen (z. B. Flüssigkeit wie beispielsweise Wasserstrahl, Ionen oder Elementarteilchen) oder mittels elektromagnetischer Strahlung hoher Energiedichte (z. B. Licht mittels Laserstrahl). Insbesondere vorteilhaft ist die Herstellung mittels Elektronenstrahl.The microperforation, d. H. the bores 11 are preferably produced by drilling by means of accelerated particles (eg liquid such as water jet, ions or elementary particles) or by means of electromagnetic radiation of high energy density (eg light by means of a laser beam). Particularly advantageous is the production by means of electron beam.

Die der Bahn 02 zugewandte Seite der die Bohrungen 11 aufweisenden Wand 12, z. B. eine aus Edelstahl gebildete Wand 12, weist in bevorzugter Ausführung eine schmutz- und/oder farbabweisende Veredelung auf. Sie weist eine nicht dargestellte, die Öffnungen 03 bzw. Bohrungen 11 nicht bedeckende Beschichtung - z. B. Nickel oder vorteilhaft Chrom - auf, welche z. B. zusätzlich bearbeitet ist - z. B. mit Mikrorippen oder einen Lotusblüteneffekt bewirkend strukturiert oder aber vorzugsweise hochglanzpoliert).The web 02 facing side of the holes 11 having wall 12, z. As a wall 12 formed of stainless steel, in a preferred embodiment, a dirt and / or color-repellent finish. It has a not shown, the openings 03 and holes 11 not covering coating -. As nickel or advantageous chromium - on which z. B. is additionally processed - z. B. structuring with micro ribs or a lotus flower effect structuring or preferably highly polished).

Die die Bohrungen aufweisende Wand ist in einer Variante als ein Einsatz oder mehrere Einsätze in einem Träger ausgebildet. Der Einsatz kann fest oder wechselbar mit dem Träger verbunden sein. Letzteres ist von Vorteil bzgl. einer Reinigung oder aber eines Austauschs von Einsätzen verschiedenartiger Mikroperforationen zur Anpassung an unterschiedliche Materialien und Bahnbreiten. In der Ausführung mit im wesentlichen vollumfänglich angeordneten Öffnungen 03, können derartige Einsätze beispielsweise auf einem im Hohlraum 04 verlaufenden Träger angeordnet sein.The holes having the wall is formed in a variant as one or more inserts in a carrier. The insert may be fixed or changeable connected to the carrier. The latter is advantageous with respect to a cleaning or an exchange of inserts of different types of microperforations for adaptation to different materials and web widths. In the embodiment with substantially fully arranged openings 03, such inserts may for example be arranged on a running in the cavity 04 carrier.

Bei einem weiteren Beispiel (Fig. 3) für eine verschwenkbare Wendestange 01 sind in dieser mehrere Kammern 04 angeordnet, wobei jeder Kammern 04 ein Teil der Mantelfläche der Wendestange 01 in Umfangsrichtung zugeordnet ist. Jede Kammer 04 ist selektiv mit Druckluft beaufschlagbar, so dass in jeder Stellung der jeweils umschlungene Bereich der Wendestange 01 mit Druckluft beaufschlagt ist. Für dieses Ausführungsbeispiel sind z. B. an der Wendestange 01 mindestens zwei wahlweise mit Druckluft beaufschlagbare Zuleitungen 13 angeordnet oder aber die Kammern 04 sind über ein Mehrwegventil wahlweise mit der von einer Quelle bezogenen Druckluft beaufschlagbar (Fig. 4).In another example ( Fig. 3 ) for a pivotable turning bar 01 a plurality of chambers 04 are arranged in this, each chamber 04 a part of Jacket surface of the turning bar 01 is assigned in the circumferential direction. Each chamber 04 is selectively acted upon by compressed air, so that in each position, the respective looped region of the turning bar 01 is subjected to compressed air. For this embodiment, z. B. at the turning bar 01 at least two optionally be acted upon with compressed air supply lines 13 or the chambers 04 are acted upon via a multi-way valve either with the source of a compressed air compressed ( Fig. 4 ).

BezugszeichenlisteLIST OF REFERENCE NUMBERS

0101
Leitelement, Bahnleitelement, WendestangeGuide element, web guide element, turning bar
0202
Bahn, Materialbahn, Bedruckstoffbahn, PapierbahnWeb, material web, substrate web, paper web
0404
Hohlraum, Kammer, DruckkammerCavity, chamber, pressure chamber
0505
---
0707
Träger, Innenkörper, TrägerrohrCarrier, inner body, support tube
1010
---
1111
Bohrung, MikrobohrungBore, micro bore
1212
Wand, KammerwandWall, chamber wall
1313
Zuleitungsupply

Claims (16)

  1. Guide element of a printing press comprising a multiplicity of openings (03) for the emergence of a fluid under pressure, the guide element (01) being formed for guiding and/or deflecting an incoming paper web (02), the openings (03) being in the form of outward-directed micro-openings (03) of continuous micro-bores (11) which extend outwards through a wall (12) bounding a cavity (04), the bores (11) having a diameter in the region of the openings (03) of less than or equal to 500 µm, characterized in that a hole density, i.e. a number of openings (03) per unit area, for the area provided with the micro-openings (03) is at least 0.2/mm2.
  2. Guide element according to Claim 1, characterized in that the degree of opening is 3 to 25%, in particular 5 to 15%.
  3. Guide element according to Claim 1, characterized in that the openings (03) are arranged in the lateral surface of the guide element (01), at least in a longitudinal section of the guide element (01), substantially around the total circumference.
  4. Guide element according to Claim 1, characterized in that the guide element (01) can be brought into at least two angular positions relative to an incoming web (02).
  5. Guide element according to Claim 4, characterized in that, in both angular positions, the fluid in this longitudinal section emerges from the micro-openings (03) substantially over the total circumference.
  6. Guide element according to Claim 4, characterized in that, at least in one longitudinal section, the guide element (01) has openings (03) arranged substantially around the total circumference, and in that the openings (03) are coordinated with two halves of the cylindrical lateral surface of the guide element (01), which halves are substantially in the form of half-shells and with each of which a separate, internal cavity (04) is coordinated, which cavities are optionally fed with fluid under pressure.
  7. Guide element according to Claim 4, characterized in that the guide element (01) is pivotable through 90 °, the web (02) wrapping around a first half of the cylindrical lateral surface, substantially in the form of a half-shell, in a first angular position and the web (02) wrapping around a second half of the lateral surface, in the form of a half-shell, in a second angular position.
  8. Guide element according to Claim 1, characterized in that a diameter of the openings (03) is less than or equal to 300 µm, in particular between 60 and 150 µm.
  9. Guide element according to Claim 1, characterized in that a wall thickness of the wall (12) is 0.2 to 3.0 mm.
  10. Guide element according to Claim 1, characterized in that 2-15, in particular 3-7, cubic metres (S.T.P) of air per hour emerge per square metre of the lateral surface having the openings (03).
  11. Guide element according to Claim 1, characterized in that the guide element (01) has a length greater than 1200 mm.
  12. Guide element according to Claim 1, characterized in that the bores (11) are produced by means of accelerated particles.
  13. Guide element according to Claim 12, characterized in that the bores (11) are produced by drilling by means of an electron beam.
  14. Guide element according to Claim 1, characterized in that at least one wall section of the guide element (01), which wall section has the bores (11), has a dirt-repellent and/or ink-repellent finish on its surface.
  15. Guide element according to Claim 14, characterized in that the finish is in the form of a chromium coating.
  16. Guide element according to Claim 15, characterized in that the surface is polished to a high degree of brightness.
EP08161186A 2002-10-19 2003-10-20 Guiding element for a strip-producing or strip-processing machine Expired - Lifetime EP1997759B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10248820 2002-10-19
DE10307089A DE10307089B4 (en) 2002-10-19 2003-02-19 Squeegee of a printing press
DE10322651 2003-05-20
DE10331469 2003-07-11
EP03776807A EP1556300B1 (en) 2002-10-19 2003-10-20 Guiding elements for a strip-producing or strip-processing machine

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EP1997759A1 EP1997759A1 (en) 2008-12-03
EP1997759B1 true EP1997759B1 (en) 2009-07-01

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EP08161186A Expired - Lifetime EP1997759B1 (en) 2002-10-19 2003-10-20 Guiding element for a strip-producing or strip-processing machine
EP03776804A Expired - Lifetime EP1554208B1 (en) 2002-10-19 2003-10-20 Former for a strip-producing or strip-processing machine
EP06100923A Expired - Lifetime EP1655257B1 (en) 2002-10-19 2003-10-20 Folder
EP03776805A Expired - Lifetime EP1554122B1 (en) 2002-10-19 2003-10-20 Pressure elements for a strip-processing printing machine
EP03776803A Expired - Lifetime EP1554207B1 (en) 2002-10-19 2003-10-20 Folder
EP03776807A Expired - Lifetime EP1556300B1 (en) 2002-10-19 2003-10-20 Guiding elements for a strip-producing or strip-processing machine
EP03778236A Expired - Lifetime EP1556218B1 (en) 2002-10-19 2003-10-20 Doctor blade devices for a strip-producing or strip-processing machine
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EP03776804A Expired - Lifetime EP1554208B1 (en) 2002-10-19 2003-10-20 Former for a strip-producing or strip-processing machine
EP06100923A Expired - Lifetime EP1655257B1 (en) 2002-10-19 2003-10-20 Folder
EP03776805A Expired - Lifetime EP1554122B1 (en) 2002-10-19 2003-10-20 Pressure elements for a strip-processing printing machine
EP03776803A Expired - Lifetime EP1554207B1 (en) 2002-10-19 2003-10-20 Folder
EP03776807A Expired - Lifetime EP1556300B1 (en) 2002-10-19 2003-10-20 Guiding elements for a strip-producing or strip-processing machine
EP03778236A Expired - Lifetime EP1556218B1 (en) 2002-10-19 2003-10-20 Doctor blade devices for a strip-producing or strip-processing machine
EP03776806A Expired - Lifetime EP1556219B1 (en) 2002-10-19 2003-10-20 Guiding elements for a printing unit

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US (3) US20060097101A1 (en)
EP (8) EP1997759B1 (en)
JP (1) JP2006502937A (en)
CN (2) CN100551798C (en)
AT (8) ATE390280T1 (en)
AU (6) AU2003285264A1 (en)
DE (8) DE50305063D1 (en)
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WO (6) WO2004037537A2 (en)

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DE10339262A1 (en) * 2003-08-26 2005-03-17 Voith Paper Patent Gmbh Web guiding means
US7921771B2 (en) * 2004-06-23 2011-04-12 Koenig & Bauer Aktiengesellschaft Web-fed printing machine having a turning bar
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