EP0889784B1 - Rakelvorrichting für eine siebdruckmaschine - Google Patents

Rakelvorrichting für eine siebdruckmaschine Download PDF

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Publication number
EP0889784B1
EP0889784B1 EP97916420A EP97916420A EP0889784B1 EP 0889784 B1 EP0889784 B1 EP 0889784B1 EP 97916420 A EP97916420 A EP 97916420A EP 97916420 A EP97916420 A EP 97916420A EP 0889784 B1 EP0889784 B1 EP 0889784B1
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EP
European Patent Office
Prior art keywords
doctor blade
elastically deformable
head
lip
deformable member
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
EP97916420A
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English (en)
French (fr)
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EP0889784A1 (de
Inventor
Dominique Giard
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Fimor SA
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Fimor SA
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Publication date
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Publication of EP0889784A1 publication Critical patent/EP0889784A1/de
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Publication of EP0889784B1 publication Critical patent/EP0889784B1/de
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/44—Squeegees or doctors

Definitions

  • the invention relates to a doctor blade intended to be part of a screen printing machine, or to be handled by an operator, for printing or transferring fluids or pastes, or other applications.
  • scraping heads of the type comprising a doctor blade holder and a deformable doctor blade extending longitudinally and rigidly associated with each other.
  • scraper heads are the subject of numerous variant embodiments. They are attached to means machine support by means of screws, brackets or other clamping or fixing members.
  • a metal squeegee or according to the terminology of the "flood bar” profession grazes the sieve to to re-coat it with ink that has been pushed to an edge of the screen by the previous print.
  • the scraper blade is traditionally made of rubber and has typically the shape of a rectangular parallelepiped, it is continuous, both longitudinally and transversely. It can also present, in its contact part sieve, different profiles deemed more favorable some work.
  • the scraper blade must have characteristics simultaneously which seem contradictory.
  • the doctor blades are incorporated to machines.
  • EP-A-167.906 provides a support bar in one hard elastic material inserted in the doctor blade, to which is connected a profiled blade made of a material flexible.
  • DE-A-19 58 912 describes a doctor blade intended to be part a screen printing machine for printing or transfer of fluids or pastes, comprising a head, a base in lip shape and at least one elastically deformable organ connecting the head and the base, the flexibility of the doctor blade, at each point independent of its length, resulting from the combination of the lip's own flexibility and elasticity of the elastically deformable member.
  • Organs elastically deformable, namely springs with blade are arranged in isolation from each other, each of these springs being structurally continuous in themselves.
  • the support to be scraped inevitably presents inequalities of surfaces.
  • the passage of the scraper blade due to these surface inequalities vibrations which at the same time affect the quality of the print and contribute to the fatigue of the machine including the doctor blade.
  • the build-up ink in front of the scraper blade may cause a phenomenon "inkplaning" (neologism analogous to aquaplaning and meaning lifting of the scraper blade by a film which also affects the quality of the print.
  • the invention therefore aims to remedy the drawbacks or limits current scraping heads.
  • the invention aims to solve the problems inherent in the surface unevenness of the supports to scrape.
  • the invention relates to a doctor blade intended for making part of a screen printing machine, or to be handled by an operator, for printing or transferring fluids or pasta, or other applications, comprising a head, a lip-shaped base and at least one resilient organ deformable connecting the head and the base, the flexibility of the doctor blade, at each point independent of its length, resulting the combination of the lip's own flexibility and the elasticity of the elastically deformable member, characterized in that the elastically deformable member is structurally discontinuous in at least one place in the longitudinal direction of the doctor blade and extends along several layers of springs spaced from each other.
  • the elastically deformable organ is located throughout, substantially all or only part of the length of the doctor blade.
  • the doctor blade has one or more elastically deformable organs.
  • the respective elasticities of the lip and the elastically deformable organ are different one from the other.
  • the body of the organ elastically deformable is made from either one or more wires elastically deformable, in particular metallic, arranged in spirals or undulations, either of a cut sheet, to form a single or double comb whose stiffness is adjustable by the transverse dimension of the turns, undulations, cuts, or by the characteristics of the material constitutive, or by the spacing existing between the teeth of the comb.
  • the teeth of the comb formed by the elastically deformable organ individually exert pressure on each of longitudinal sectors of the lip, thus made independent.
  • the independent distribution of the pressure through the teeth of the organ comb is supplemented by sliding the head in a doctor blade and the action an inflatable sleeve.
  • the elastically deformable member comprises several parts functional as regards elasticity, located along the longitudinal direction of the doctor blade, these functional parts being substantially independent of each other others so that we can take into account inequalities in surface of the support to be printed.
  • the body of the organ elastically deformable comprises at least one and in particular two wires arranged in spirals or undulations, defining with the head and the base a deformable quadrilateral according to the pressure exerted by the doctor blade on the support to be printed.
  • This deformable quadrilateral is either a deformable parallelogram so that the angle of inclination of the lip on the support to be printed is constant whatever the pressure of the doctor blade on the support to be printed, i.e. trapezium whose large base is located towards the head and conversely the small base located towards the base of the organ elastically deformable, the angle of inclination then being voluntarily modified with the pressure of the doctor blade on the support to print.
  • the body of the organ elastically deformable, the head and the base are either conductive of electricity, either flush-fitting, of so as to ensure a certain electrical continuity between the lip and the doctor blade via the elastic member deformable so as to evacuate static electricity.
  • the elastically deformable member can be made of material plastic or metal, metal alloy, or in combination plastic, metal, metal alloy. This matter is armed or not.
  • the scraping lip itself is in the form a strip in one or more layers, possibly profiled.
  • Its main constituent material is chosen from the group including elastomers, rubbers, materials plastics or other equivalent materials, and in particular polyurethanes.
  • This lip about 10 to 30 mm high and elastically fixed to the elastically deformable member, is produced by casting, extrusion, machining or equivalent. If applicable, it conducts electricity so as to evacuate static electricity developed during scraping.
  • the scraping lip comprises two parts namely a nucleus permanently attached to the base of the organ elastically deformable and an outer part of scraping, preferably of low linear mass, fixed to the nucleus. This attachment is removable, by clipping or other.
  • a doctor blade as described above may include in addition two screen reducers at its two ends.
  • the elastically deformable member can be waterproof or closed, but preferably it includes at least one part of the length of the doctor blade a plurality of openings or openings above the lip allowing the passage of excess printing ink.
  • the scraper lip of the doctor blade described may have a height transverse reduced in particular of the order of a centimeter. This low height then allows the passage, overcoat, excess printing ink, so that use the doctor blade in both directions.
  • the elastically deformable member is present in the general form of either a band of width substantially constant, either of a sheet or a strip comprising one or more cutouts or protrusions extending transversely, either from a comb or a workpiece spiral or wavy with projections extending in particular vertically.
  • outgrowths or projections extend either over the same distance along the doctor blade, i.e. on different distances depending in particular on the flexibility / hardness desired.
  • Neighboring functional parts functionally substantially independent of each other doing part of the elastically deformable member, in particular the growths or protrusions substantially adjoin or adjoin each other or, on the contrary are spread along the longitudinal direction of the doctor blade. If applicable this spacing is variable depending on flexibility / hardness desired.
  • a sheet along which an organ extends elastically deformable is located between or outside but in the vicinity of the two planes externally limiting the scraper blade.
  • an elastically deformable member is interposed between the head and the lip.
  • the organ elastically deformable forms the single organ or the organ principal by which the lip is carried by the head.
  • the head in general is relatively hard, around 60 ° Shore D and more, intended to be fixed in the manual doctor blade holder or machine and is about 10 to 30 mm high, preferably from 12 to 18 mm.
  • the upper parts of the organs elastically deformable are rigidly fixed in or on the surface of the head.
  • the doctor blade head slides freely an inflatable sleeve in the doctor blade ensures pressure equal to each point of the lip whatever uneven print media.
  • the elastically deformable member and the scraping lip are placed substantially in extension of one another.
  • the elastically deformable member is present, at least in part, as a part of the doctor blade head having a certain capacity for elastic deformation.
  • the elastically deformable member is of linear mass different from that of the actual scraper blade, so as to have a very different vibration period that of the lip, the combination of the lip and the or elastically deformable members not being likely to resonate under conditions normal processing, when scraping a support with uneven surfaces.
  • the elastically deformable member is rigidly fixed to the head on the one hand and elastically to the lip on the other hand, by crimping, gluing, overmolding or equivalent. This association is carried out either with immobilization or with some possibility of relative pivoting around a axis extending parallel to the length of the doctor blade.
  • the elastically deformable member is functionally and / or structurally composite and includes a rigid or substantially rigid head intended to be associated with the doctor blade holder, a semi-rigid base intended to be associated with a removable lip and, between head and base, a body essentially forming the organ elastically deformable.
  • the head and / or the base and / or the body are associated detachably or not.
  • the body of the organ elastically deformable is associated with the head and / or the lip so removable by force or by means of fasteners such as clips.
  • the head and base have a contoured shape.
  • the lip is associated or formed with the head and / or the base of the elastically deformable member at an angle to the longitudinal axis of the doctor blade.
  • the head has a profile allowing the setting in place on a doctor blade holder with multiple tilt angles relative to the longitudinal axis of the doctor blade.
  • doctor blade which has just been described has numerous benefits:
  • the flexibility / hardness of the doctor blade can be adapted in all directions, especially from top to bottom. We can also produce doctor blades whose stiffness is slightly raised in the center and strongly at the ends.
  • the squeegee avoids "stepping in” at high speed, the edge of the lip no longer pitching the sieve and excess ink possibly, if it is fluid enough, be evacuated over the upper edge of the lip.
  • Such a doctor blade optimizes the ink flow and check the hydraulic pressure and the quantity of ink deposited, regardless of the scraping speed.
  • the doctor blade allows you to control the angle of attack of the doctor blade whatever the vertical bearing pressure exerted on the scraping lip. As required, with two layers substantially parallel of springs, this angle remains constant or on the contrary is changed positively depending on the pressure exerted.
  • a doctor blade according to the invention makes it possible to take advantage of the fact that the material of the elastically deformable member does not retain residual deformation, unlike classic doctor blade rubbers.
  • the doctor blade according to the invention allows the lip to conform exactly to the media to be printed, even if it contains surface irregularities. Gap variations can be adapted.
  • a doctor blade according to the invention also makes it possible to postpone the pressure on the screen outside the print area what which has the effect of extending the life of the elements components of the machine as well as the screen used to the impression.
  • a doctor blade as described also allows a reduction in total weight compared to a conventional doctor blade. This reduction in weight results in inertia lower which is favorable to the operation of the scrapes.
  • a doctor blade 2 is attached to the doctor blade holder 1 by a screw 10.
  • FIG. 2A representing a doctor blade 2 according to the invention
  • profile view we see that, by the effect of the parallelogram deformable 4.1 and 4.2, the angle ⁇ formed by the lip 5 in work is equal to the initial angle ⁇ .
  • Figure 2B is a front view of different types of spring 4a, 4b and 4c which can constitute the organ elastically deformable 4.
  • FIGS. 3A, B, C and D illustrate variants of springs.
  • Figure 3A shows an overlap of turns of spring 4 creating a flexible interdependence in lip 5.
  • FIG. 3C illustrates a mode of hardening of the doctor blade 2 by bringing the turns 6 together.
  • Figures 3E to H are sectional views of the different assemblies of the elastically deformable member.
  • Figure 3E illustrates an adjustable angle doctor blade for machines old ones that do not have this setting.
  • FIG. 4A, B and C illustrate variations in hardness points of a doctor blade 2 due to variations in the spacing of the U-shaped pins constituting the organ elastic.
  • FIG. 4D represents the profile view of the same scraper. We notice the trapezoid shape.
  • FIG. 5 illustrates the case where the elastically deformable member 4 is the extension of the head 3, in the present plastic profile.
  • Sectors 4a, 4b and 4c illustrate setting the hardness by digging slots 16 more or less deep.
  • FIG. 6 represents a doctor blade 2, the member of which is elastically deformable 4 is constituted either by a folded strip 13 'U-shaped or by two strips 13.
  • a plastic profile constitutes the head 3 of the doctor blade 2, it is included in the U or pinched by the doctor blade 1 between the two strips.
  • the front views illustrate two types of teeth, hollow or solid, of the elastically deformable member 4.
  • FIG. 7A illustrates the passage of a low ink 8 thixotropy in the openings 16 between the teeth of the comb constituting the elastically deformable member 4.
  • the openings 16 are closed by a adhesive 17 to facilitate cleaning without weighing down the device.
  • Figure 8 illustrates a doctor blade where the springs are overmolded over a large part of their height by a thin layer of rubber constituting the lip 5. Space 14 between the two layers of springs is either empty or filled of foam 15.
  • the front view 8C illustrates, in exploded view, the different constituent layers of the organ elastically deformable 4 in the case of foam filling.
  • Figure 9 illustrates a rectangular spiral construction monofilament, fully included in the constituent material lip 5. This assembly is suitable for small doctor blades sections.
  • FIG. 10 also illustrates an alternative embodiment of the doctor blade in which the doctor lip is in two parts, one easily removable by clipping.
  • Figures 11A, B and C illustrate a doctor blade whose head 3, which accepts longitudinal bending, can slide vertically in the doctor blade 1, an inflatable sleeve 19 exerts a constant linear downward pressure.
  • the lower part 5 consists of a fixed core 23 and a removable lip 24.
  • doctor blade 2 is functionally and structurally composite and includes a head 3, a lip 5 and a elastically deformable member 4.
  • Head 3 is rigid or substantially rigid, it is functionally intended to be associated with the doctor blade holder 1.
  • the organ 4 is placed between the head 3 and the lip 5.
  • the head 3 and the lip 5 have a profiled shape.
  • Organ 4 is also profiled, solid or perforated.
  • Such a profiled shape allows the lip 5 to be associated or to form with the head 3 a certain angle ⁇ , ⁇ with respect to in the longitudinal plane of the doctor blade 2.
  • the elastically deformable member 4 is, according to the achievements considered, in the general form of either a strip, of substantially constant width, the profile of which, transversely can be more or less developed, either under the shape of a strip having one or more slots or growths extending transversely, either under the shape of a comb or a spiral or wavy piece, presenting also protrusions. These projections extend in particular transversely. According to other embodiments, they may extend otherwise.
  • Such so-called functional parts in particular the growths or protrusions either adjoin or adjoin each other substantially, or overlap, or are discarded from neighboring functional parts along the direction longitudinal of the doctor blade.
  • This spacing is either constant or variable, depending in particular the flexibility / hardness desired locally.
  • doctor blade 2 rigidly associated with removably to the doctor blade holder 1.
  • the doctor blade 2 being in contact with the sieve 7 has a head 3, a base in the form of lip 5 and at least one elastically deformable member 4 connecting the head 3 and the base 5.
  • the assembly extends longitudinally along an axis. In operation, this axis is placed horizontally or substantially horizontally.
  • the doctor blade 1 has a high overall rigidity and constitutes the element carrying the doctor blade 2.
  • the doctor blade 2 has on the contrary, a certain deformability.
  • the head 3 and the lip 5 of the doctor blade 2 are presented in the form of a strip in one or more layers of polyurethane elastomer, each approximately 12 to 18 mm high, but different elasticities, with the head 3 being stiffer and the lip more flexible.
  • the elastically deformable member 4 is made from one or more elastically threads deformable arranged in undulation to form a comb single or double whose stiffness is adjustable by size transverse of the corrugations 6, or by the characteristics of the constituent material, or by the existing spacing between the corrugations 6.
  • a wire or cable 20 extends parallel to the length of doctor blade 2 to create some flexible interdependence in the ripples 6 towards the lip 5.
  • the elastically deformable member 4 is structurally discontinuous in the longitudinal direction of the doctor blade 2 in at least one place, because of the succession of the wire forming the corrugations 6 and the space between the corrugations 6.
  • Structurally discontinuous means that the elastically deformable member 4 is made of such that a material or mechanical discontinuity is secured along the doctor blade 2.
  • the structural parts 6 constituting the elastically deformable member 4 are then pushed away from each other.
  • the doctor blade 2 comprises at least one elastically deformable member 4 located in at least one location along its length.
  • the elastically deformable member 4 acts on the lip 5 of so that the flexibility of the doctor blade 2 in the location where the organ 4 is located follows in combination with the flexibility clean of the lip 5 and the elasticity of the organ elastically deformable 4.
  • the respective elasticities are different.
  • the elastically deformable member 4 is located over the entire length of the doctor blade or substantially all this length or only a part of this length.
  • the organ elastically deformable 4 is placed at the extreme parts of the doctor blade or, on the contrary, in its middle part.
  • one or more organs can be provided elastically deformable 4 located in combination on all or substantially the entire length of doctor blade 2 or over only part of it.
  • Doctor blade 2 has either a single elastically deformable member, or several.
  • the elastically deformable member 4 comprises, in the embodiment more particularly represented in FIG. 2B, several functional parts, having regard to elasticity.
  • These functional parts are located along the direction longitudinal of doctor blade 2. These functional parts are functionally substantially independent the each other. This means that a functional part of the elastically deformable member 4 can react to a stress due in particular to the unevenness of the surface to print without substantially affecting the functional part next to the elastically deformable member 4.
  • the elastically deformable member 4 comprises passages, openings, perforations, spacings, slots or similar holes 16 above the lip 5 allowing the passage of excess printing ink. So the doctor blade 2 has no counter doctor blade and is simpler than in known art.
  • the elastically deformable member (s) 4 are of mass different from that of lip 5. It follows that the elastically deformable member 4 has a period of vibration which is very different from that of lip 5. The combination of the lip 5 and of the organ (s) elastically deformable 4 is therefore not likely to resonate at least substantially, and under the conditions normal application of the doctor blade 2. In particular, this resonance is prevented or attenuated during scraping of a support presenting the surface inequalities conventionally encountered.
  • the organ elastically deformable 4 is distinct from the head 3 and / or lip 5, so as to be attached to the head 3, or it is an integral part of the head 3 and / or of the lip 5.
  • the organ elastically deformable 4 is associated with head 3 and lip 5 in being interposed between them. More specifically, the organ elastically deformable 4 forms the single organ or the organ main by which the lip 5 is carried by the head 3.
  • the elastically deformable member 4 is located transversely at least partly in extension the head 3 and the lip 5.
  • transverse direction is meant here a direction generally orthogonal to the longitudinal axis of the doctor blade 2.
  • the head 3 of the doctor blade 2 is rigidly fixed by the screw 10 in the vice made up by jaws 9 of the doctor blade 1.
  • the elastically member deformable 4 is formed by two wires or sheets structurally discontinuous in at least one place in the direction longitudinal of doctor blade 2 and constituting two combs which extend along two spaced layers of springs one from the other. We see the elastic deformations which allow you to adjust or fix the angle of inclination of the lip 5, and therefore the angle of attack ⁇ of the doctor blade 2 on the sieve 7 or on the support to be printed.
  • Such a tablecloth is generally situated between or at the exterior but in the vicinity of the plans limiting externally doctor blade 2.
  • a tablecloth, along which extends the elastically deformable member 4 is located substantially either in the middle zone between the two planes, either in the vicinity of at least one of the planes limiting externally doctor blade 2.
  • the elastically deformable members 4 also extend along several layers of springs separated from each other, (visible on the side views 3E to H).
  • the turns or undulations of the member 4 are triangular in shape and overlap in lip 5 to ensure interdependence flexible while they are an extension of the head 3.
  • the lip scraper comprises two parts, namely a core 23 permanently attached to the base of the organ elastically deformable 4, and an external scraping part 24 of low linear mass, fixed to the core 23.
  • This fixing is in this case of the removable type and by clipping.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Rotary Presses (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Claims (13)

  1. Rakel zur Verwendung in einer Siebdruckmaschine oder als Handrakel zum Drucken oder Übertragen von Fluiden oder Pasten oder für sonstige Zwecke, mit einem Kopf (3), einem Fuß in Form einer Lippe (5) und mit mindestens einem elastisch verformbaren Glied (4), welches den Kopf (3) und den Fuß (5) miteinander verbindet, wobei sich die Flexibilität der Rakel (2) an jedem Punkt über ihre gesamte Länge aus der Kombination der Eigenflexibilität der Lippe (5) und der Elastizität des elastisch verformbaren Gliedes (4) ergibt, dadurch gekennzeichnet, daß das elastisch verformbare Glied (4) an mindestens einem Ort in Längsrichtung der Rakel (2) eine strukturelle Unstetigkeit aufweist und sich entlang einer Mehrzahl von im Abstand voneinander befindlichen federnden Schichten erstreckt.
  2. Rakel nach Anspruch 1, dadurch gekennzeichnet, daß der Körper des elastisch verformbaren Gliedes (4) aus einem oder mehreren elastisch verformbaren Drähten, die spiralförmig oder wellenförmig angeordnet sind, oder aus einer ausgeschnittenen dünnen Platte unter Bildung eines Einfach- oder Doppelkamms hergestellt ist, dessen Steifheit durch die Bemessung des Querschnitts der Windungen, Wellen, Ausschnitte oder durch die Eigenschaften des dafür verwendeten Materials oder durch die Abstände zwischen den Zähnen des Kamms einstellbar ist.
  3. Rakel nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Zähne des durch das Glied (4) gebildeten Kamms individuell einen Druck auf jeden der Längsabschnitte der Lippe (5) ausüben, die dadurch voneinander unabhängig sind.
  4. Rakel nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß die unabhängige Verteilung des Drucks über die Zähne des Kamms des Gliedes (4) noch durch eine gleitende Verschiebbarkeit des Kopfes (3) in einem Rakelhalter (1) und durch die Einwirkung eines aufblasbaren Schlauchs (19) ergänzt wird.
  5. Rakel nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Körper des elastisch verformbaren Gliedes (4) mit dem Kopf (3) und dem Fuß (5) ein Viereck definiert, das je nach dem durch die Rakel auf den Druckträger ausgeübten Druck verformbar ist.
  6. Rakel nach Anspruch 5, dadurch gekennzeichnet, daß das verformbare Viereck entweder ein Parallelogramm ist, das derart verformbar ist, daß der Anstellwinkel der Lippe (5) an den Druckträger unabhängig von dem Druck der Rakel auf den Druckträger konstant ist, oder aber ein Trapez ist, dessen große Basis dem Kopf (3) und dessen kleine Basis dem Fuß (5) zugewandt ist, wobei der Anstellwinkel unter dem Druck positiv wird.
  7. Rakel nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Körper des elastisch verformbaren Gliedes (4), der Kopf (3) und der Fuß (5) elektrisch leitfähig oder einander berührend so miteinander verbunden sind, daß zwischen der Lippe (5) und dem Rakelhalter (1) über das elastisch verformbare Glied (4) ein elektrischer Durchgang sichergestellt ist, um statische Elektrizität abzuleiten.
  8. Rakel nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Fuß in Form einer Lippe (5) die Form eines Bandes mit einer oder mehreren Schichten aufweist.
  9. Rakel nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das elastisch verformbare Glied (4) mindestens über einen Teil der Länge der Rakel mehrere Öffnungen oder Bohrungen oberhalb der Lippe (5) aufweist, die den Durchtritt überschüssiger Druckfarbe gestatten.
  10. Rakel nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß das elastisch verformbare Glied (4) an dem Kopf (3) und/oder der Lippe (5) durch Bördeln, Kleben, Gießen oder dergleichen befestigt ist, und zwar entweder unbeweglich oder mit einer gewissen Verschwenkmöglichkeit um eine sich parallel zur Länge der Rakel (2) erstreckende Achse.
  11. Rakel nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß der Kopf (3) und/oder der Fuß (5) und/oder das elastisch verformbare Glied (4) lösbar miteinander verbunden sind.
  12. Rakel nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Kopf (3) und/oder der Fuß (5) bezüglich der Längsachse der Rakel (2) einen Winkel mit dem elastisch verformbaren Glied (4) bilden.
  13. Rakel nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß der Kopf (3) ein Profil aufweist, das die Montage auf dem Rakelhalter (1) unter einer Mehrzahl von Anstellwinkeln bezüglich der Längsachse der Rakel (2) gestattet.
EP97916420A 1996-03-29 1997-04-01 Rakelvorrichting für eine siebdruckmaschine Expired - Lifetime EP0889784B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9604012 1996-03-29
FR9604012A FR2746704B1 (fr) 1996-03-29 1996-03-29 Tete de raclage, notamment pour serigraphie
PCT/EP1997/001628 WO1997036747A1 (fr) 1996-03-29 1997-04-01 Racle pour une machine de serigraphie

Publications (2)

Publication Number Publication Date
EP0889784A1 EP0889784A1 (de) 1999-01-13
EP0889784B1 true EP0889784B1 (de) 2001-11-07

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EP97916420A Expired - Lifetime EP0889784B1 (de) 1996-03-29 1997-04-01 Rakelvorrichting für eine siebdruckmaschine

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Country Link
US (1) US6109174A (de)
EP (1) EP0889784B1 (de)
JP (1) JP2000507514A (de)
AT (1) ATE208267T1 (de)
AU (1) AU2507697A (de)
DE (1) DE69708070T2 (de)
FR (1) FR2746704B1 (de)
WO (1) WO1997036747A1 (de)

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US6565712B2 (en) 2001-05-17 2003-05-20 Lingol Corporation Composite
DE20216016U1 (de) * 2002-10-18 2004-03-04 Rk Siebdrucktechnik Gmbh Rakel, insbesondere für den Siebdruck
US6921064B2 (en) * 2003-12-22 2005-07-26 Xerox Corporation Metering blade suspension system
US20080034811A1 (en) * 2006-08-10 2008-02-14 Klaus Kubik Device for the sectional application of liquor to a fabric web
JP2008162130A (ja) * 2006-12-28 2008-07-17 Matsushita Electric Ind Co Ltd スクリーン印刷装置およびスクリーン印刷方法
JP2011177977A (ja) * 2010-02-26 2011-09-15 Kyocera Corp 印刷用摺動部材および印刷装置
EP3456534A1 (de) * 2014-08-01 2019-03-20 Corning Incorporated Siebdruckvorrichtung

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FR2746704A1 (fr) 1997-10-03
JP2000507514A (ja) 2000-06-20
DE69708070T2 (de) 2002-06-20
ATE208267T1 (de) 2001-11-15
US6109174A (en) 2000-08-29
AU2507697A (en) 1997-10-22
DE69708070D1 (de) 2001-12-13
FR2746704B1 (fr) 1998-05-22
WO1997036747A1 (fr) 1997-10-09
EP0889784A1 (de) 1999-01-13

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