EP0231177A1 - Procede et appareil d'application d'images sur une surface - Google Patents
Procede et appareil d'application d'images sur une surfaceInfo
- Publication number
- EP0231177A1 EP0231177A1 EP19850904649 EP85904649A EP0231177A1 EP 0231177 A1 EP0231177 A1 EP 0231177A1 EP 19850904649 EP19850904649 EP 19850904649 EP 85904649 A EP85904649 A EP 85904649A EP 0231177 A1 EP0231177 A1 EP 0231177A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- applicator
- outlet
- image
- signal
- fluent material
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/001—Handling wide copy materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
- D06B11/0056—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics
- D06B11/0063—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics by pouring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/05—Heads having a valve
Definitions
- This invention relates to a method of and apparatus for applying images to a surface.
- this invention relates to the application of large images such as for advertising signs and the like.
- large images such as for advertising signs and the like.
- it is not limited to such applications.
- it may be used for producing silk screen positives or for applying images to textile or like flexible materials. It may also be used for producing small images if desired.
- images can be modified by changes in colours, by addition or substruction of selected features, by distortion of the image or by the use of half tone or other tonal modifications. while these temporary images can be photographed to provide a permanent modified image, it is not practical or economical to use conventional photography to produce large signs or other large images.
- a master image of a sign may be prepa red with the assistance of electronic processing apparatus traditional reproduction techniques such as described above have to be utilized to produce the desired large image.
- the present invention aims to provide a method of and apparatus for applying images to a surface which will alleviate the abovementioned and other disadvantages associated with the presently available methods and which will be reliable and efficient in use. Other objects and advantages of this invention will hereinafter become apparent.
- this invention in one aspect resides broadly in an applicator for applying a material to a surface and including storage means for the material; an outlet from the storage means from which the material may pass onto the surface and actuating means for controlling passage of material from said outlet.
- the storage means may be a dispenser for particulate material but preferably the material to be applied is a fluent material and the storage means is a chamber for the fluent material.
- the actuating means may oe adapted to pump fluent material through saia outlet or alternatively the chamber may be pressurized to force fluent material through the outlet and the actuating means may comprise control valve means associated with said outlet.
- the actuating means may include a valve member mounted for movement between an open an closed position in relation to said outlet and an actuator for moving the valve means.
- the actuator may oe for example a hydraulic, pneumatic or mechanical actuator or the like or it may be in the form of a magnet such as an electro magnet adapted, to be activated upon command to move the valve member from the outlet to enable the fluent material to flow therethrough.
- a valve member for controlling flow through said outlet may be associated with a control, member formed of material adapted for magnetic attraction to and/or magnetic repulsion by the electro magnet whereby the latter may be acutated for moving the valve member to and from said outlet.
- control member may be in the form of a follower associated with the electro magnet and preferably the core of the electro magnet and the follower are formed from a low hysteresis magnetic material and the coil of the electro magnet may be a low inductance coil to facilitate high speed repetitive actuation of the applicator.
- the follower may be guided for reciprocal movement to enable the valve member to be moved towards or away from the outlet or alternatively the follower could be a pivotable member adapted to guide the valve member to and from the outlet.
- the valve member could be biased towards the closed position such as by a spring or by repulsion from the electro magnet and adepted to be lifted from the outlet to enable fluent material to flow therethrough upon change of state of the electro magnet.
- the polarity of the electro magnet could be reversible to open and close the outlet.
- the electro magnet may have separate coiIs for acutation in its respective opposite modes.
- the applicator may be supported for controlled movement relative to the surface on which the image is to be formed.
- the applicator may be supported on the carrier of an X Y plotter for selected movement relative to the surface and it may be comouter controlled to apply fluent material at selected co-ordinates whereby an image may be applied to the surface.
- a plurality of applicators may be supported on the carrier and each applicator may be associated with a respective base colour and be computer controlled so that a colour image may be applied to the surface.
- the amount of fluent material applied at each command is selectiveIy controllable whereby a colour image may be applied to the surface in the form of a plurality of discreet dots formed in a matrix arrangement to provide the required image.
- the fluent material in the chamber is under pressure and the amount of material applied is controlled by the duration of opening of the outlet.
- the colours may pe applied so as to blend into one another or colours may be overprinted to form a continuous tone or part tone image.
- the electro magnet may pe associated with a decoder adapted to decode encoded signal from an electronic colour separation scanner or from a computer or the like signal generation or transmission means.
- a plurality of applicators associated with respective base colours are controlled by a n encoder associated with a digital four colour separation scanner associated with computing means whereby the image signal may be modified before transmission to the decoder.
- the signal may be modified to vary dimensions, colour and to provide adjustments and image alterations as well as to insert additional extra material.
- Such modifications may be completed by using a keyboard associated with a visual display unit connected to a computer.
- the visual display unit is associated with a non-volatile data storage unit so that the original image can be stored and modified for transmission to the decoder associated with the applicators.
- the fluent material may be a liquid, powder, paste or jelly or a fibrous material such as flock or ink stain or paint and the latter may be adapted to set only after application and suitably by the application of a suitable catalyst or the like to the surface after the i mage has been app l i ed thereto .
- a suitable catalyst or the like may be applied so that adjacent applications of fluent material bleed into one another or large quantities of a relatively thick paste or the like may be applied to provide a textured
- this invention resides broadly in a method of forming an image, the method comprising providing an electronic signal corresponding to an image to be reproduced encoding the electronic signal, transmitting the encoded signal to a decoder associated with a plurality of applicators adapted to move in a controlled path across a surface to apply respective base colours to a surface whereby the applicator may be moved relative to the surface controlled by the computing means to enable the desired image to be applied to the surface.
- the encoded signal may be fed to a storage unit associated with a video display unit having a keyboard whereby the image may be readily modified to form a further electronic signal of the modified image, the method further including encoding a modified signal and transmitting that modified signal to the decoding means which controls the applicators.
- FIG 1 is a perspective view of one form of image forming apparatus made in accordance with the present invention.
- FIG 2 is a flow sheet illustrating the image forming apparatus and its associated control means
- FIG 3 illustrates one form of applicator head
- FIG 4 is a cross sectional view taken along the tines of 4-4 of FIG 3;
- FIG 5 is a cross sectional view taken along the line
- FIG 6, 7 and 8 illustrate the frame components of the applicator head
- FIG 9 is an entdrged view of one applicator assembly.
- the image forming apparatus 10 illustrated in FIG 1 and FIG 2 utilizes an applicator head 11 associated with an XY plotter assembly 12 adapted for connection to suitable control means via the interface connection 13.
- the XY plotter assembly 12 includes a platen 14 in which a central drive roller 15 is mounted for rotation for moving a sheet like panel (not shown) which may be flexible or rigid and on which an image is to be formed, in the X direction past the applicator head 11 in a controlled manner. Traction wheels 16 are provided at each end of the roller 15 to maintain the panel in contact with the roller 15 for accurate movement therewith.
- the applicator head 11 is supported by linear bearings 17 on a pair of spaced guide rails 18 which extend between end housings 19 and 20 at opposite ends of the platen 14.
- the end housing 19 supports a stepper motor 21 which advances the roller 15 in stepped rotational manner whereby the panel to be treated is advanced in fixed increments in the X direction, such as in increments of 2mm for example.
- a further stepper motor 22 drives the endless belt 23 which passes between the end housings 19 and 20 for reciprocal movement therebetween.
- the belt 23 connects to the applicator head 11 and the stepper motor 22 is adpated to advance the applicator head 11 across the platen 14 in the Y direction in fixed increments also of 2mm for example.
- the stepper motors 21 and 22 are connected to a switching control 24 associated with the computer 25 while the decoder in the applicator head 11 is controlled directly from the computer 25 whereby movement in the X Y direction and actuation of the applicator head may be co-ordinated.
- This arrangement is shown in FIG 2 and preferably the relative movement between the panel to be treated and the applicated is constant with the panel advancing incrementally after each pass of the applicator head across the panel to be treated.
- the housing 20 supports reservoirs for the four base colours. These may be the primary colours namely yellow, red , blue and black, which are connected via the line 2 ⁇ to the applicator head 11 as well as the necessary heating and cooling means for conditioning the fluid in the reservoirs.
- the computer assembly is aiso supported within the end housing 20.
- the line 26 also carries the control wires for the decoding board 27 encapsulated within the upper body portion 28 of the applicator head 11.
- the applicator head 11 includes the upper body portion 28 in which a plurality of electro magnets 29 are encapsulated together with the decoding board 27 connected via the edge connector 30 to the computer 25.
- the body portion 28 is cast about the electro magnets 29 and the decoding board 27 after the threaded core end projections 31 of the electro magnets 29 a re screwed into the threaded apertures in a supporting top plate 32.
- the encapsulating material is selected so as to dissipate heat from the electro magnets 29.
- the support plate 32 is adapted to be bolted to an apertured bottom plate 33 held in spaced relationship therewith and having an intermediate guide or baffle plate 34 sandwiched sealably between the top and bottom plates.
- the plates 32, 33 and 34 are formed of non magnetic material.
- the protruding threaded portion 31 of the solenoid core extends through the top plate 32 and terminates in closely spaced relationship with a follower 35 supported for free reciprocal movement towards and away from the electro magnet 29.
- the follower 35 is associated with a coarsely tapered needle valve 36 which is adapted to engage sealably in the respective tapered outlet apertures 37 arranged in a grid pattern in the bottom plate 33.
- a return spring 38 is connected between a collar 39 on the follower 35 and the baffle plate 34 so as to urge the needle valve 3 ⁇ into the closed position relative to the outlet 37.
- the arrangement is such that upon energising the solenoid 29 a magnetic field is created in the core 31, which is formed of low hysteresis material, so that the follower 35 is attracted thereto and the needle valve 36 is lifted from the outlet aperture 37. Only a small lift is required to open the outlet 37. Accordingly high speed repetitive actuation of the needle valve 36 may be achieved and dot like deposits may be formed on a panel in controlled manner from the outlets 37.
- the electro magnet may be energised for any selected length of time so that the required amount of liquid which is deposited from the outlet 37.
- the fluid chamber 40 formed between the upper and lower plates 32 and 33 is pressurised by suitable pumping means associated with the supply tines 26.
- the size of the dots so formed can be controlled by the computer by varying the length of time the electro magnets are energised.
- one longitudinal side of the plates 32, 33 and 34 are extended at 4 ⁇ to form an inlet for fluent material into the chamber 40.
- the bottom plate is provided with feed channels 41 which communicate with inlets 42 provided on the top plate 32 and associated with mating apertures 43 and 44 in the top and baffle plates respectively.
- the applicator head 11 is divided longitudinally into four sections by the dividing walls 45 whereby each section in use may be supplied with a respective base colour.
- Each section has an array of sixteen outlets 37 and associated electro magnets 29 and control valves arranged in a square grid pattern.
- the intermediate or baffle plate 34 is provided with flow apertures 47 (shown shaded) which permit free flow of fluent material between the upper and lower parts of each chamber 40 as well as guide apertures 48 for the followers 35.
- the computer 25 which controls the X Y printer and the applicator head 11 may be associated with a digital four colour separation scanner 50 which may be adapted to convert images of a two or three dimensionat original 51 into a high resolution digital form signal which may be recorded by a non volatile storage unit 52 such as a floppy disc unit or the like or fed directly to the computer 25.
- a non volatile storage unit 52 such as a floppy disc unit or the like or fed directly to the computer 25.
- the computer 25 is programmed to act on the above data and it is associated with a keyboard 53 and a video display unit 54 to enable the operator to insert and monitor further information such as dimensions, colour and image alterations, adjustments.
- the video display unit 54 allows the operator to view a portion or all of the image before proceeding with further steps so that appropriate changes can be made if required.
- a conventional printer plotter 55 may be used at this stage to make a physical copy of the image displayed on the video unit 54.
- the fluent material is stored in the reservoir 56 and pumped by pump 57 to the applicator 11.
- the computer 25 When the operator is satisfied that all adjustments, alterations and the like are final the computer 25 is actuated to control and co-ordinate the XY plotter 12 via the switching controls 24 and the applicator head 11 whereby the computer 25 controls the location and quantity of fluent material applied to the panel to be treated.
- any pattern of movement of the applicator head relative to the panel to be treated may be accommodated by appropriate control of the applicator head by use of suitdble software for the computer 25.
- the applicator head be adapted to apply fluent material to the workpiece in series of lines across the workpiece while the latter remains stationery.
- the applicator head is adapted to apply fluent material in its passage in both directions across the workpiece and the position of the workpiece relative to the applicator head is advanced between each pass of the applicator head 11. This arrangement is provided without overprinting by controlling the number of movements of the applicator head and the distance between movements in accordance with the spacing of the apertures 37 in the X and Y directions.
- the applicator head is adapted to advance in increments of four units in the Y direction whereby each outlet is capable of depositing six spaced dots before it passes beyond the initial position of the adjacent outlet 37. Subsequently all spaces on the workpiece at 1 unit intervals may be filled in in the one pass. That is the twenty four spaces between each adjacent pair of outlets 37 may be filled in with a set of six dots from each of the four apertures in each row of apertures 37.
- each section of outlet apertures 27 in the applicator head 11 comprises four rows of outlets 37 in the Y direction and four rows of outlets 37 in the X direction.
- the sections are spaced along the X axis and the applicator head is advanced in the y direction.
- groups of 4 rows of dots in the respective base colours may be deposited with the dots in each row deposited according to the information on the computer.
- the outlets 37 are arranged in a grid of 25 units square and because the applicator is advdnced in the X and Y directions in increments of 4 units, continuous operation of the motors will position the outlets at 1 un i t intervals over the workpiece without a need for hopping across a section cr backing and filling.
- the stepper motors 2i and 22 may be driven continuously in their regulated intermittent motion so as to provide minimal strain on the drive train assembly and the motors.
- additional software programming will not be required to ensure that overprinting is eliminated.
- a colour dot may be placed at any position on the workpiece within a 1 unit tolerance.
- the colour may be a base colour or it may be modified by overprinting with another colour.
- the stepper motor 22 is then actuated to advance the workpiece and the applicator head 11 returns applying another four rows of dots of the respective base colours .
- the rows of coloured dots will be deposited adjacent one another to provide the desired colour image.
- the electro magnets controlled by the decoder board are adapted to actuate the outlets only in positions where the required base colour is required to achieve the image. If required only one colour may be applied to the applicator head and this may be programmed to print a single colour i mage such as words or an outline in one pass across the workpiece.
- an image may not require a full pass of the applicator in the Y direction and the computer can control the WY plotter to return the applicator from any position across the plotter 14.
- an original or master from which the image is to be obtained is photographed by the four colour separation scanner 50 which suitably separates the colour image into 4 colour component and the resultant combined signal is fed to the memory 52 or directly to the computer 25.
- This image is then modified as required by the keyboard and a temporary printout of the image is displayed on the associated video display unit 54 may be provided by the plotter printer 55.
- the plotter printer 12 is actuated and the applicator head is controlled to deposit the base colour dots in the appropriate positions onto the workpiece which is coloured white to achieve the desired image.
- the size of the image is determined by the width of the platen of the X Y plotter 12 but suitably this may be in the order of 2 or 5 metres and of course the panel to be printed can be any desired length.
- the XY plotter and its associated applicator head could be disposed at remote locations so that appropriate signals could be forwarded through the telephone system or the like from a central computer assembly. This may be used to control d number of such XY plotter printers at various different locations.
- the rails and applicator head are adjustable in the Y direction to accommodate different thickness workpieces and to enable the distance of the applicator head from the workpiece to be varied. This wilt vary the size of the dots applied.
- the head 11 may be increased in size by adding further similar heads. Any number can be arranged in end to end relationship or in side by side relationship as desired.
- a single applicator could also be used.
- the applicator could be a single spray head for example and paint requiring further treatment to set could be used to prevent clogging of the applicator. For example the wet paint could be subsequently heated or chemically treated to cause it to set.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- Coating Apparatus (AREA)
- Treatment Of Fiber Materials (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Un appareil d'impression (10) comprend une tête (11) d'application de matériau pourvue d'une pluralité d'ajutages applicateurs (37) commandés indépendamment et susceptibles d'être actionnés pour déposer de la peinture ou un autre matériau sur une surface à imprimer. Les ajutages (37) peuvent être actionnés par des solénoïdes (29) commandés par ordinateur. L'ordinateur peut également commander la position de la tête d'application par rapport à la surface à imprimer, ce qui permet d'imprimer une image sur la surface. L'ordinateur peut être associé à une caméra vidéo (50), ce qui permet le transfert d'une image à l'ordinateur par la caméra (50) et son application à la surface à imprimer par ladite tête d'application.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU7213/84 | 1984-09-19 | ||
AUPG721384 | 1984-09-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0231177A1 true EP0231177A1 (fr) | 1987-08-12 |
Family
ID=3770764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19850904649 Withdrawn EP0231177A1 (fr) | 1984-09-19 | 1985-09-19 | Procede et appareil d'application d'images sur une surface |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0231177A1 (fr) |
JP (1) | JPS62500230A (fr) |
WO (1) | WO1986001775A1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2598539B1 (fr) * | 1986-05-12 | 1989-09-15 | Blanc Roger | Dispositif d'affichage graphique telecommande |
JP3201674B2 (ja) * | 1993-03-26 | 2001-08-27 | キヤノン株式会社 | インクジェットプリント方法およびインクジェットプリント装置 |
DE4425199A1 (de) * | 1994-07-16 | 1996-01-18 | Heinr Aug Schoeller Soehne Gmb | Verfahren zum Bedrucken von Wellpappe sowie Einrichtung zur Durchführung des Verfahrens |
FR2735420B1 (fr) * | 1995-06-14 | 1997-10-03 | Gaujal Jean Louis | Imprimante d'ordinateur pour impression verticale |
DE102016201821A1 (de) * | 2016-02-05 | 2017-08-10 | A. Schmidt e.K. | Druckverfahren und Druckvorrichtung |
DE102016014955A1 (de) | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Beschichtungseinrichtung und entsprechendes Beschichtungsverfahren |
DE102016014946A1 (de) | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Druckkopf zur Applikation eines Beschichtungsmittels auf ein Bauteil |
DE102016014948A1 (de) | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Druckkopf und zugehöriges Betriebsverfahren |
DE102016014947A1 (de) | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Druckkopf zur Applikation eines Beschichtungsmittels |
DE102016014919A1 (de) | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Applikationsvorrichtung und Verfahren zum Applizieren eines Beschichtungsmittels |
DE102016014956A1 (de) | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Beschichtungseinrichtung und zugehöriges Betriebsverfahren |
DE102016014953A1 (de) | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Lackieranlage und entsprechendes Lackierverfahren |
DE102016014952A1 (de) | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Beschichtungseinrichtung zur Beschichtung von Bauteilen |
DE102016014951A1 (de) | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Beschichtungseinrichtung und zugehöriges Betriebsverfahren |
DE102016014943A1 (de) * | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Druckkopf mit Temperiereinrichtung |
DE102016014944A1 (de) | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Beschichtungsverfahren und entsprechende Beschichtungseinrichtung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2143571A1 (de) * | 1971-08-31 | 1973-03-15 | Siemens Ag | Tintenstrahlschreibeinrichtung, mit einem in zeilenrichtung beweglichen schreibkopf |
CA1027874A (fr) * | 1974-01-21 | 1978-03-14 | The Mead Corporation | Systeme d'impression |
US4128345A (en) * | 1975-03-28 | 1978-12-05 | Universal Technology, Inc. | Fluid impulse matrix printer |
US4002230A (en) * | 1975-07-09 | 1977-01-11 | Houston Engineering Research Corporation | Print head apparatus |
SE421055B (sv) * | 1978-04-19 | 1981-11-23 | Klaus Mielke | Anordning for merkning av kollin eller andra foremal |
DE2925812C2 (de) * | 1979-06-26 | 1982-10-21 | Siemens AG, 1000 Berlin und 8000 München | Tintendruckeinrichtung zum mehrfarbigen Bedrucken eines Aufzeichnungträgers |
EP0036297A3 (fr) * | 1980-03-14 | 1981-10-07 | Willett International Limited | Imprimante à jet d'encre et procédé |
US4380771A (en) * | 1980-06-27 | 1983-04-19 | Canon Kabushiki Kaisha | Ink jet recording process and an apparatus therefor |
EP0109242A3 (fr) * | 1982-11-12 | 1985-04-10 | Willett International Limited | Appareil à fonctions multiples pour dispenser du liquide |
DE3302617A1 (de) * | 1983-01-27 | 1984-08-02 | Cyklop International Emil Hoffmann KG, 5000 Köln | Farbspritzkopf |
-
1985
- 1985-09-19 WO PCT/AU1985/000228 patent/WO1986001775A1/fr unknown
- 1985-09-19 JP JP50427685A patent/JPS62500230A/ja active Pending
- 1985-09-19 EP EP19850904649 patent/EP0231177A1/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO8601775A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU586990B2 (en) | 1989-08-03 |
WO1986001775A1 (fr) | 1986-03-27 |
AU4957685A (en) | 1986-04-08 |
JPS62500230A (ja) | 1987-01-29 |
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Legal Events
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