EP0305796A2 - Dispositif de mouillage pour machines d'impression en offset - Google Patents

Dispositif de mouillage pour machines d'impression en offset Download PDF

Info

Publication number
EP0305796A2
EP0305796A2 EP88113209A EP88113209A EP0305796A2 EP 0305796 A2 EP0305796 A2 EP 0305796A2 EP 88113209 A EP88113209 A EP 88113209A EP 88113209 A EP88113209 A EP 88113209A EP 0305796 A2 EP0305796 A2 EP 0305796A2
Authority
EP
European Patent Office
Prior art keywords
feed roller
pressure
stripping element
liquid
unit according
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
EP88113209A
Other languages
German (de)
English (en)
Other versions
EP0305796B1 (fr
EP0305796A3 (en
Inventor
Giancarlo Terzuolo
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.)
GRAPHO ENGINEERING Srl
Original Assignee
GRAPHO ENGINEERING Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GRAPHO ENGINEERING Srl filed Critical GRAPHO ENGINEERING Srl
Priority to AT88113209T priority Critical patent/ATE89220T1/de
Publication of EP0305796A2 publication Critical patent/EP0305796A2/fr
Publication of EP0305796A3 publication Critical patent/EP0305796A3/de
Application granted granted Critical
Publication of EP0305796B1 publication Critical patent/EP0305796B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0054—Devices for controlling dampening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/26—Damping devices using transfer rollers

Definitions

  • the invention relates to a dampening system with automatic control for offset printing machines.
  • one of the prerequisites for an acceptable print quality is the perfect moistening of the non-printing areas of the plate or printing form before they are finally colored.
  • a thin layer of water with additives is applied to the printing form to moisten it.
  • the moisture layer on the printing form must be continuous, but at the same time must not be too thick to prevent the moisture from emulsifying the printing ink used to the correct extent, which would have a significant impact on print quality.
  • water with additives mainly phosphoric acid and gum arabic
  • a trough with a constant liquid level is provided, into which a feed roller is immersed, the surface of which consists of metallic chrome and is sometimes covered with a braid.
  • the rotation of the feed roller is either intermittent adjustable strip width or continuously and slowly with adjustable speed to adapt the amount of liquid supplied to the working conditions.
  • Spray rolls or systems with bundled compressed air jets can graduate the metering in the transverse direction.
  • a takeover roll which has an elastic coating and is covered with molton or a braid, is freely rotatably supported on two swivel arms at its two ends. This role takes over the moisture strip from the feed roller and transfers it to a parallel distribution roller, the surface of which has a metallic chrome layer and which is driven axially back and forth as well as rotating, whereby the rotary movement takes place via a gear with the same peripheral speed as the plate cylinder.
  • the water transferred to the distributor roller is released by the latter onto two dampening rollers, which have an elastic coating and a coating of molton or fabric. These two dampening rollers are freely rotatable and are carried by friction between the plate cylinder and the distributor roller, the contact pressure being adjustable via adjustable bearings.
  • a serious disadvantage of using coatings or molton coatings is the need to replace them after a certain period of use, since signs of wear and tear during operation and cleaning during maintenance work cannot be avoided. Changing the covers is difficult and requires a lot of start-up time before the machine has returned to equilibrium in operation.
  • a continuously operating dampening system in which the liquid consists mainly of water with the addition of alcohol, thereby reducing the surface tension of the water, so that each spreading drop has a larger surface area of the plate or moistened the matrix so that the right balance between water and color is achieved with a smaller amount of water.
  • the alcohol content in the liquid causes it to evaporate more quickly, which favors the drying of the fresh print.
  • this system is effective only on condition that the liquid is applied evenly as a very thin film without any discontinuity.
  • This layer is partially transferred to the first inking roller, which already has the printing ink and is driven by the printing plate so that it runs at the same peripheral speed as this.
  • the difference in peripheral speeds at the point of contact causes the liquid layer to stretch so that it becomes even thinner.
  • the axis of the metering roller can be mounted so that it does not run completely parallel to the axis of the feed roller, whereby the contact pressure is increased in the central area to compensate for the deflection of the rollers.
  • the subsequent settings are made at intervals after the sheets have been output, for which purpose the rotational speed of the feed roller is changed manually.
  • the layer thicknesses of the liquid applied to the printing plate or die which can be achieved with this system, are not comparable to those which could be produced in the conventional dampening system, in which the tissue coatings retained a certain amount of liquid.
  • the invention is therefore based on the object of providing a continuously operating dampening system for offset printing presses which does not have the disadvantages of the known systems and is able to automatically apply the correct amount of moisture to the printing plate at all times, ie neither too little still an excess amount, whereby the size and the deviations of the Parameters are to be taken into account which can influence the over-humidification and thus the print quality, and the inevitable mechanical deformations of the individual rollers of the dampening unit should remain without effects.
  • the invention is intended to provide a continuously operating dampening system which produces an extremely thin film of liquid which cannot be achieved with the known dampening systems.
  • the dampening system should have a control system that processes the changes in the operating conditions of the machine in real time.
  • the dampening system is to produce a uniform surface coating of the printing plate with the same amount of liquid regardless of the printing speed and the fluctuation of other parameters such as the temperature of the individual machine parts, the relative humidity and the viscosity of the dampening liquid, both in the case where the Liquid water with the usual additives, as well as in the case where it contains water with added alcohol.
  • this object is achieved in a dampening unit for offset printing presses with a feed roller which is set in rotation by an independent motor with an adjustable rotational speed, removes a liquid from a bath and thereby produces a thin film of this liquid which between a part of the circumference of the Feed roller and an organ passes through, which can perform a graduated metering of the liquid in the transverse direction and abuts the mentioned part of the circumference of the feed roller over its entire length, solved in that the organ is a rectilinear, elongated stripping element, which consists of elastic material, that the stripping element is pressed against the peripheral part of the feed roller by pressure means which are controlled by regulators which can graduate the pressure with which the stripping element is applied to the peripheral part of the feed roller, and that the motor for the rotary drive of the feed roller with adjustable rota tion speed and the control elements are controlled by an evaluation unit, to which data are continuously fed that relate to the functional parameters of the printing press.
  • the evaluation unit consists of a computer (microprocessor), which is also provided for receiving data from an input keyboard, all data being evaluated in a program (software) which determines the connections between these data and the optimal conditions for Moistening of the printing plate (or matrix) is determined during the operation of the printing press.
  • the pressure means have a series of working units which are designed as hydraulic fluid cylinders, the piston rods of which act on the stripping element from the side which is diametrically opposite the side which faces the circumference of the feed roller, each cylinder above a pressure regulator is fed, which is controlled by pulses which are emitted by the evaluation unit.
  • the dampening system has sensors for determining the temperature and the humidity of the air at the points on the printing press where the cylinders acting on the stripping element are arranged.
  • the dampening unit has a number of devices, each of which analyzes the structure of a peripheral strip of the printing plate and supplies the evaluation unit with information in the form of electrical pulses, so that these supply control pulses to the pressure regulators which are assigned to the cylinders corresponding to the strips , which trigger the pressure required to generate the thickness of the liquid film in the areas mentioned, which is required for optimal moistening of the printing plate.
  • a plate cylinder 1 of an offset printing machine is shown, which cooperates with a rubber cylinder 2 in a known manner.
  • a trough 3 with a constant liquid level is supplied with liquid for the dampening unit in a known manner.
  • the feed roller 4 has a coating, not shown, of hydrophilic material, which has a microporosity on the surface, which is able to transfer the liquid uniformly.
  • the feed roller 4 touches a dampening roller 7, which has the task of moistening the printing plate, not shown, which is attached to the circumference of the plate cylinder 1; the dampening roller 7 also wets an intermediate roller which is attached below the first inking roller 8 and touches it.
  • a metering element 9 bears along a generatrix of the feed roller 4.
  • This consists of an elongated stripping element of circular cross section made of elastic material, for example a silicone material.
  • the length of the stripping element 9 corresponds to that of the feed roller 4.
  • the stripping element 9 is accommodated in a rectilinear longitudinal groove 10, the depth of which is greater than the diameter of the stripping element 9 and which is incorporated into a fixed supporting beam 11 according to FIG.
  • the longitudinal groove 10 is connected to three diametrically arranged, through bores 12 which are arranged at uniform intervals between the two ends of the beam 11.
  • the central bore 12 lies in the transverse median plane of the feed roller 4, while the two lateral bores 12 are at the same distance from the associated ends of the beam 11.
  • the bores 12 open into a cavity 13 which is formed on the outside of the beam 11 and is separated by a membrane 14 from a cavity 15 which is worked into a cover 16 which is on the beam 11 is attached.
  • a rod 17 is attached, which extends through the bore 12 and the free end of which rests against the central region of a pressure rail 18 which has an elongated course and is accommodated in the longitudinal groove 10 at a short distance from the bottom thereof.
  • the pressure rail 18 partially engages in a recess 19, which is incorporated into the side of a counter pressure rail 20 facing the bottom of the longitudinal groove 10.
  • the pressure rail 18 is supported with its two ends on two shoulders which are formed in the recess 19.
  • the height of the pressure rail 18 and the counter pressure rail 20 and the length of the rod 17 are chosen so that the wipers ment 9 always protrudes a little from the longitudinal groove 10.
  • the pressure force with which the stripping element 9 is pressed against the feed roller 4 can be changed in this way.
  • the length of the counter pressure rails 20 is selected so that they exert a compressive force practically over the entire length of the stripping element 9.
  • FIG. 2 shows, there is a sensor 23 for the rotational speed (a so-called coding device) on the axis of the plate cylinder 1, which is capable of supplying the machine signals corresponding to this operating parameter to a computer 24 or microprocessor.
  • a computer 24 or microprocessor.
  • This also receives signals from a read head 25 (or "plate scanner") of the printing plate, which scans strips of the printing plate, not shown and attached to the plate cylinder 1.
  • the computer 24 can also be supplied with signals from measuring elements for the temperature and the air humidity, which may be arranged, for example, in the area of the side walls of the machine opposite one another.
  • An input keyboard 30 is connected to the computer 24, via which additional software can be used to make corrections, which have the purpose of taking into account fixed parameters such as the viscosity of the liquid or the like.
  • the input keyboard 30 can thus be omitted and the computer 24 can be replaced by a simple evaluation circuit without influencing the automatic and continuous control of the liquid layer thickness as a function of the speed of rotation and the structure of the plate cylinder.
  • more groups can be provided instead of the three groups that press the stripping element 9 against the circumference of the feed roller 4. It is also possible to control these groups via a single pressure regulator 21, which in turn can be of any commercially available type.
  • the working units which press the stripping element against the circumference of the feed roller, can consist of a plurality of elongated cavities with elastic walls, which are arranged in a row next to one another between the stripping element and the bottom of the longitudinal groove in which the stripping element is accommodated; the cavities can be connected to a line for the supply of pressure medium via pressure regulators.
  • the unit which contains the stripping element and the associated pressure and bearing means can finally have organs for driving the feed roller in the axial direction are driven back and forth.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Soil Working Implements (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP88113209A 1987-08-17 1988-08-16 Dispositif de mouillage pour machines d'impression en offset Expired - Lifetime EP0305796B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88113209T ATE89220T1 (de) 1987-08-17 1988-08-16 Feuchtwerk fuer offset-druckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8767719A IT1211266B (it) 1987-08-17 1987-08-17 Sistema di bagnatura continua a regolazione automatica per macchine da stampa offset
IT6771987 1987-08-17

Publications (3)

Publication Number Publication Date
EP0305796A2 true EP0305796A2 (fr) 1989-03-08
EP0305796A3 EP0305796A3 (en) 1989-03-22
EP0305796B1 EP0305796B1 (fr) 1993-05-12

Family

ID=11304761

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88113209A Expired - Lifetime EP0305796B1 (fr) 1987-08-17 1988-08-16 Dispositif de mouillage pour machines d'impression en offset

Country Status (7)

Country Link
US (1) US4892035A (fr)
EP (1) EP0305796B1 (fr)
JP (1) JPH01120341A (fr)
AT (1) ATE89220T1 (fr)
CA (1) CA1294489C (fr)
DE (1) DE3880933D1 (fr)
IT (1) IT1211266B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0437665A3 (en) * 1990-01-15 1992-01-02 Jagusch & Co. Device for controlling the damping fluid temperature in an offset printing machine
EP0700782A3 (fr) * 1994-09-06 1997-03-12 Koenig & Bauer Albert Ag Rouleau doseur dans un dispositif de mouillage d'une machine à imprimer offset
WO1999048693A1 (fr) * 1998-03-23 1999-09-30 Goss Graphic Systems, Inc. Procede et dispositif de regulation du mouilleur d'une presse lithographique
DE102008049355A1 (de) * 2008-09-29 2010-04-01 Manroland Ag Offsetdruckmaschine
CN106414076A (zh) * 2015-06-03 2017-02-15 艾美株式会社 印刷机的润湿装置及具有该润湿装置的印刷机

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038681A (en) * 1988-01-19 1991-08-13 Jimek International Ab Control method and apparatus for spray dampener
JPH0358845A (ja) * 1989-07-28 1991-03-14 Tokyo Kikai Seisakusho Ltd 平版印刷機の湿し水装置
JPH0811439B2 (ja) * 1989-12-20 1996-02-07 テクノロール株式会社 オフセット印刷機ダンプニング装置
US5070783A (en) * 1990-05-18 1991-12-10 Ireton Carl A Adjustable doctor blade mounting means
DE4312459C2 (de) * 1992-09-22 1995-04-06 Heidelberger Druckmasch Ag Meßeinrichtung zum Erfassen der Temperatur eines Farbwerks von Druckmaschinen
JP2964229B2 (ja) * 1997-07-11 1999-10-18 株式会社東京機械製作所 湿し水供給装置
DE10152466B4 (de) * 2000-11-24 2015-12-17 Heidelberger Druckmaschinen Ag Feuchteregelung unter Berücksichtigung mehrerer den Druckprozess beeinflussender Größen
SE0401184L (sv) * 2004-05-07 2005-08-23 Baldwin Jimek Ab Ett kontrollsystem och en metod för en tryckpress
US20050252536A1 (en) * 2004-05-14 2005-11-17 Ciliberti Michael N Wiper blade wash station, spray bar and process for cleaning the wiper blade
EP2657021A1 (fr) * 2012-04-24 2013-10-30 KBA-NotaSys SA Unité d'entraînement réglable d'une presse à imprimer et presse à imprimer, en particulier presse d'impression en creux la comprenant

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR806676A (fr) * 1935-05-22 1936-12-22 Dresden Leipziger Schnellpress Machine à imprimer en creux
GB1324690A (en) * 1970-10-24 1973-07-25 Champion Paper Co Ltd Printing apparatus
DE2057689B1 (de) * 1970-11-24 1971-12-16 Maschf Augsburg Nuernberg Ag Einrichtung an Rotationsdruckmaschinen zur Steuerung des Anpressdruckes einer Rakel
US3749012A (en) * 1971-10-20 1973-07-31 Addressograph Multigraph Moisture dispensing unit for lithographic fountain system
US3902416A (en) * 1974-12-04 1975-09-02 Dick Co Ab Moisture control for lithographic machines
US4029008A (en) * 1976-05-24 1977-06-14 Addressograph Multigraph Corporation Moisture control system
US4156388A (en) * 1977-08-01 1979-05-29 Am International, Inc. Ink and moisture control system with evaporation compensation
US4140056A (en) * 1977-08-01 1979-02-20 Addressograph-Multigraph Corporation Ink and moisture control system with ink/moisture interface
US4289167A (en) * 1978-10-30 1981-09-15 Ryco Graphic Manufacturing, Inc. Non-drip fluid delivery system
DE2849096C2 (de) * 1978-11-11 1983-12-08 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg Feuchtwerk
DE3211157A1 (de) * 1982-03-26 1983-10-06 Roland Man Druckmasch Verfahren und vorrichtung zum befeuchten von druckplatten
DE3331208A1 (de) * 1983-08-30 1985-03-14 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Verfahren zum einstellen des farbwerks einer druckmaschine und messvorrichtung zu seiner durchfuehrung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0437665A3 (en) * 1990-01-15 1992-01-02 Jagusch & Co. Device for controlling the damping fluid temperature in an offset printing machine
EP0700782A3 (fr) * 1994-09-06 1997-03-12 Koenig & Bauer Albert Ag Rouleau doseur dans un dispositif de mouillage d'une machine à imprimer offset
WO1999048693A1 (fr) * 1998-03-23 1999-09-30 Goss Graphic Systems, Inc. Procede et dispositif de regulation du mouilleur d'une presse lithographique
DE102008049355A1 (de) * 2008-09-29 2010-04-01 Manroland Ag Offsetdruckmaschine
CN106414076A (zh) * 2015-06-03 2017-02-15 艾美株式会社 印刷机的润湿装置及具有该润湿装置的印刷机

Also Published As

Publication number Publication date
ATE89220T1 (de) 1993-05-15
EP0305796B1 (fr) 1993-05-12
IT8767719A0 (it) 1987-08-17
IT1211266B (it) 1989-10-12
CA1294489C (fr) 1992-01-21
EP0305796A3 (en) 1989-03-22
US4892035A (en) 1990-01-09
DE3880933D1 (de) 1993-06-17
JPH01120341A (ja) 1989-05-12

Similar Documents

Publication Publication Date Title
DE2323025C3 (de) Farbwerk für eine Druckmaschine
DE3338143C2 (de) Verfahren zur Erzeugung einer dem Druckbild entsprechenden Farbschichtstärke im Farbwerk einer Druckmaschine
EP0305796B1 (fr) Dispositif de mouillage pour machines d'impression en offset
DE3800570C2 (fr)
AT396907B (de) Filmfeuchtwerk für offsetdruckmaschinen
CH667425A5 (de) Rotationsdruckerpresse, insbesondere fuer mehrfarbendruck.
DE4012825C2 (fr)
EP0080588A1 (fr) Dispositif d'encrage et de mouillage pour une machine à imprimer offset
DE19720954C2 (de) Verfahren zum Einrichten der Farbführung im Fortdruck in einer Rotationsdruckmaschine
DE2950025A1 (de) Mit wasser oder einem gemisch aus wasser und alkohol arbeitendes feuchtwerk fuer offset-druckmaschinen
DE8413874U1 (de) Vorrichtung zum Befeuchten an lithographischen Druckpressen
DE69113868T2 (de) System zum Zuführen von Druckflüssigkeit unter Druck zum lithographischen Drucken ohne Farbmesser.
EP1013418B1 (fr) Dispositif d'encrage
EP0093879B1 (fr) Procédé et dispositif de dosage d'encre dans les rotatives offset
DE2259085A1 (de) Farbwerk fuer flachdruckmaschinen
DE3401886A1 (de) Verfahren und vorrichtung zur einfaerbung der platte eines plattenzylinders von rotationsdruckmaschinen
EP0602431A1 (fr) Dispositif de racle d'essuyage
DE3134796A1 (de) "farbwerk fuer eine rolllenrotationsdruckmaschine"
DE3211157A1 (de) Verfahren und vorrichtung zum befeuchten von druckplatten
DE69117844T2 (de) Verbessertes Drucksystem ohne Farbmesser zum lithographischem Drucken ohne Farbmesser
DE3714160A1 (de) Farbwerk fuer eine druckmaschine
DE10056247B4 (de) Verfahren zum Steuern der Farbmenge in einer Druckmaschine
DE3125434A1 (de) Vorrichtung zum zufuehren von farbe an die druckplatte einer druckmaschine
DE4138730C1 (fr)
DE2539846C3 (de) Verfahren zur Erzeugung farbfreier Zonen, insbesondere beim Offsetdruckverfahren, sowie Vorrichtung zur Durchführung des Verfahrens

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

17P Request for examination filed

Effective date: 19890913

17Q First examination report despatched

Effective date: 19910208

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19930512

Ref country code: NL

Effective date: 19930512

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 19930512

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19930512

Ref country code: GB

Effective date: 19930512

Ref country code: FR

Effective date: 19930512

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19930512

Ref country code: BE

Effective date: 19930512

REF Corresponds to:

Ref document number: 89220

Country of ref document: AT

Date of ref document: 19930515

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3880933

Country of ref document: DE

Date of ref document: 19930617

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Effective date: 19930816

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19930831

Ref country code: LI

Effective date: 19930831

Ref country code: CH

Effective date: 19930831

EN Fr: translation not filed
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 19930512

REG Reference to a national code

Ref country code: CH

Ref legal event code: AUV

Free format text: DAS OBENGENANNTE PATENT IST, MANGELS BEZAHLUNG DER 6. JAHRESGEBUEHR GELOESCHT WORDEN.

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19940701

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT