EP0234424B1 - Apparatus for applying paint to surfaces - Google Patents

Apparatus for applying paint to surfaces Download PDF

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Publication number
EP0234424B1
EP0234424B1 EP87101974A EP87101974A EP0234424B1 EP 0234424 B1 EP0234424 B1 EP 0234424B1 EP 87101974 A EP87101974 A EP 87101974A EP 87101974 A EP87101974 A EP 87101974A EP 0234424 B1 EP0234424 B1 EP 0234424B1
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EP
European Patent Office
Prior art keywords
paint
distributor
application roller
ink
supply tube
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
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EP87101974A
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German (de)
French (fr)
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EP0234424A1 (en
Inventor
Erhard Prettl
Siegfried Teich
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Metallwarenfabrik Bempflingen GmbH
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Metallwarenfabrik Bempflingen GmbH
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Application filed by Metallwarenfabrik Bempflingen GmbH filed Critical Metallwarenfabrik Bempflingen GmbH
Priority to AT87101974T priority Critical patent/ATE52950T1/en
Publication of EP0234424A1 publication Critical patent/EP0234424A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
    • B05C17/03—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller
    • B05C17/0308—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller the liquid being supplied to the inside of the coating roller

Definitions

  • the invention relates to a device for applying paint to surfaces with an inking roller which has a cavity and is provided on its periphery with ink outlet openings leading from the cavity to the outside, with an ink distributor which is arranged in the cavity with a radial space and is concentric with the inking roller, inking roller and ink distributor being relative are rotatable relative to one another, with means for feeding the ink into the intermediate space, and with mechanical baffles for distributing the ink when the inking roller and ink distributor are rotated relative to one another.
  • the inking roller consists of several, approximately cylindrical segments, which are rotatably arranged on an ink distributor.
  • the paint distributor consists of a paint feed pipe with radial bores. Radial bores are provided in the solid body of the inking roller, which emerge on the surface and open into axially directed notches on the outside of the segments. A pile is provided directly on the outside of the inking roller.
  • ink is introduced under pressure into the central tube, it exits through its axial bores, is distributed in an intermediate space between the outside of the tube and the inside of the segments, flows from this space into the radial bores or channels in the segments, occurs at the segments Outside immediately adjacent to the underside of the pile and is distributed more or less evenly in strips in the longitudinal direction of the outside of the inking roller by the grooves acting as mechanical chicanes on the outside of the segments.
  • a disadvantage of such an inking roller is that the construction is extremely massive and complicated, with the risk that larger parts can enter the large fine channels and clog them. Furthermore, the area of the longitudinal grooves on the outside of the inking roller always contains more ink than, seen in the circumferential direction of the outside of the inking roller, in the areas lying between the grooves, on which the underside of the pile rests. This results in an uneven distribution of paint over the outside of the paint application roller.
  • the paint distributor is designed as a hollow cylindrical body, in the wall of which there are passage openings for the paint.
  • the paint is fed to the paint distributor through a tube inserted into its interior.
  • the tube can be connected to a dosing handle and also has paint outlet openings.
  • the paint emerging from the through openings in the paint distributor (roller insert) wets the paint application roller provided with a pile.
  • the invention is based on the object of further developing a device of the type mentioned in such a way that uniform wetting or impregnation of the inking roller is always ensured with structurally simple means.
  • the object is achieved in that the ink distributor is arranged on a support and ink supply tube, an ink supply channel connecting the interior of the ink supply tube with the space between the ink distributor and inking roller, and in that the mechanical baffles are designed as a spiral on the surface of the ink distributor.
  • the object on which the invention is based is completely achieved in this way because the mechanical baffles in the form of a spiral in the space between the ink distributor arranged on the ink supply pipe and the inking roller ensure distribution of the ink over the length and circumference of the ink distributor, so that the Ink passes uniformly over the entire circumference of the inking roller through the ink outlet openings and therefore uniformly wets the pile that usually covers the inking roller. In this way, it is reliably avoided that when the inking roller is unrolled, for example on a woodchip wallpaper, the ink is not applied unevenly over the length of the roller or over the unwinding path, which would lead to undesirable cloud formation.
  • the paint distributor is arranged on a support and paint feed pipe, with a paint feed channel connecting the interior of the paint feed pipe with the intermediate space, the paint can be supplied to the device under pressure, for example by means of an external pump.
  • the ink is distributed evenly over the surface of the inking roller, so that the advantages according to the invention are particularly effective.
  • the mechanical baffle By forming the mechanical baffle as a spiral, preferably as a round thread, trapezoidal thread or steep thread on the cylindrical surface of the ink distributor, the paint is evenly spread over the interior surface of the inking roller across all ink outlet openings, because the spiral, which is expediently close to the interior surface of the Ink application roller reaches, ensures a pulling distribution in the longitudinal and circumferential direction of the inner surface of the ink application roller.
  • the spiral has a promotional effect, so that the color is therefore evenly distributed in the space.
  • the paint feed channel opens into a longitudinal recess on the surface of the paint distributor.
  • This measure has the advantage that a rapid color distribution over the length of the color distributor first takes place via the longitudinal recess, so that the color can then be evenly distributed evenly over the circumference from these longitudinal positions, which are evenly supplied with color.
  • the paint feed channel opens out only in the longitudinal center of the paint distributor and the spiral is designed in opposite directions on both sides of the mouth.
  • This measure initially has the advantage that a pressure drop along the length of the ink distributor is avoided by the provision of only a single ink feed channel, because ink is only supplied at an axial position.
  • the central positioning has the advantage that from there the paint can be distributed evenly to both long sides of the paint distributor.
  • the opposing formation of the spiral on both sides of the ink supply channel is used in a particularly advantageous manner, because the spiral ensures that the ink is conveyed quickly and evenly away from the ink supply channel into both axial halves of the ink distributor.
  • the paint distributor is arranged in a rotationally fixed manner on the paint feed pipe.
  • This measure has the advantage that a particularly simple structure of the device according to the invention is produced because the required relative rotation occurs automatically when the ink distributor is rotatable and the inking roller rotates.
  • the paint distributor is fastened to the paint feed pipe by means of a screw.
  • This measure has the advantage that the paint distributor can be connected in a particularly simple manner to the paint feed pipe in a rotationally rigid manner, and in addition a secure axial fixation is achieved in this way.
  • the color distributor is composed of two axial halves.
  • This measure has the advantage that the color distributor can be produced easily, especially with a spiral surface, because the required injection mold can be produced more easily in a production with two half-shells.
  • the inking roller is rotatably mounted on the ink supply tube by means of roller bearings, in particular the inking roller can be pushed onto the free end of the ink supply tube up to a fixed stop and then axially fixed at the free end by means of an axial screw.
  • This measure also has the advantage that the structure of the device according to the invention is simplified, as is assembly and disassembly, for example for cleaning the device after use.
  • Fig. 1, 1 overall designates a device according to the invention for applying color to surfaces, preferably flat surfaces.
  • Devices of this type are typically used to provide walls, in particular walls covered with woodchip wallpaper, with a layer of paint.
  • a carrying and paint feed pipe 2 can be attached to a handle 4 by means of a flange part 3, the handle 4 being connected to a hose (not shown in the figure) which, for example, leads to a pump, the paint through the handle 4, the flange part 3 and the support and ink supply pipe 2 pumps, all of which are designed as pipelines.
  • the support and ink supply tube 2 is formed from the flange part 3 first as a straight section 5, then as a curve 6, then again as an inclined straight section 7, then as a curvature 6 opposite to the curvature 8 and finally as a straight support section 9, so that a total of one hook-like formation arises, in which the straight section 5 preferably extends perpendicular to the straight support section 9.
  • a left fixed stop 10 is attached to the support section 9.
  • a plug 11 can be seen, into which a knurled screw 12 is screwed.
  • the left fixed stop 10 or the knurled screw 12 serve to axially fix a left roller bearing 13 or a right roller bearing 14.
  • the roller bearings 13, 14 are rotatably arranged on the support section 9. At their periphery they are firmly connected to an inking roller 15 which is provided with a cavity 16.
  • the ink application roller 15 is provided over its cylindrical surface with a plurality of ink outlet openings 17 which connect the cavity 16 with the environment.
  • the inking roller 15 is expediently provided on its surface with a pile 18, of which Viewed from the center of the inking roller 15, has a left section 19 and a right section 20.
  • a radial paint feed channel 27 extends from the straight tubular support section 9 to the periphery of the paint distributor 25.
  • the paint feed channel 27 opens into a longitudinal recess on the surface of the paint distributor 25.
  • only a single ink feed channel 27 is arranged in the axial center of the paint distributor 25, so that a left longitudinal recess 28 and a right longitudinal recess 29 extend to the right and left of the mouth of the ink feed channel 27.
  • the longitudinal recess 28, 29, as shown in FIG. 2 preferably has a semi-cylindrical shape.
  • a spiral 30 is also applied as a profile to a cylindrical surface.
  • the spiral 30 is divided into a left region 31 and a right region 32, which, as FIG. 1 clearly shows, have an opposite slope of preferably 10 °.
  • the spiral 30 can be formed as a round thread, trapezoidal thread or steep thread on the cylindrical surface of the color distributor 25.
  • the color distributor 25 consists of a rear half 33 and a front half 34, e.g. can be positively connected.
  • the halves 33, 34 can also be screwed, glued or otherwise connected to one another.
  • a locking screw 35 can also be seen in FIG. 2, with which the paint distributor 25 is fixed axially on the straight support section 9 of the support and paint feed pipe 2.
  • paint is pumped from a storage container through the handle 4, the flange part 3 and the support and paint supply tube 2 until the paint reaches the straight support section 9. From there, the paint flows through the paint feed channel 27 in the radial direction and enters the longitudinal recesses 28 and 29. The paint is now distributed relatively quickly over the length of the longitudinal recesses 28 and 29 to both axial ends of the paint distributor 25.
  • the ink distributor 25 Since the ink distributor 25 is connected in a rotationally rigid manner to the straight section 9, but on the other hand the ink application roller 15 rotates by rolling on a wall to be painted, there is a relative rotation between the ink application roller 15 and the ink distributor 25.
  • This relative rotation has the consequence that the from the Longitudinal recesses 28, 29 paint flowing out over the periphery of the paint distributor 25 is distributed uniformly over the entire inner surface of the paint application roller 15 through the oppositely running areas 31, 32 of the spiral 30.
  • the paint thus passes uniformly through the paint outlet openings 17 and soaks the sections 19 and 20 of the pile 18 evenly, so that there is also a uniform application of paint on the surface.

Abstract

1. Apparatus for applying paint to surfaces, having a paint application roller (15) which has a cavity (16), which paint application roller (15) is provided on its circumference with paint discharge openings (17) leading from the cavity (16) to the outside, having a paint distributor (25) arranged in the cavity (16) with a radial space (26) and concentrically with respect to the paint application roller (15), paint application roller (15) and paint distributor (25) being rotatable in relation to each other, having means for supplying the paint into the space (26) and having mechanical baffles for distributing the paint during rotation of paint application roller (15) and paint distributor (25) with respect to each other, characterized in that the paint distributor (25) is arranged on a support and paint supply tube (2), a paint supply channel (27) connecting the inside of the paint supply tube (2) to the space (26) between paint distributor (25) and paint application roller (15), and in that the mechanical baffles are constructed as a spiral (30) on the surface of the paint distributor (25).

Description

Die Erfindung betrifft eine Einrichtung zum Auftragen von Farbe auf Flächen mit einer einen Hohlraum aufweisenden Farbauftragswalze die an ihrem Umfang mit vom Hohlraum zur Außenseite führenden Farbaustrittsöffnungen versehen ist, mit einem im Hohlraum mit radialen Zwischenraum angeordneten, zur Farbauftragswalze konzentrischen Farbverteiler, wobei Farbauftragswalze und Farbverteiler relativ zueinander verdrehbar sind, mit Mitteln zum Zuführen der Farbe in den Zwischenraum, und mit mechanischen Schikanen zum Verteilen der Farbe bei Verdrehung von Farbauftragswalze und Farbverteiler gegeneinander.The invention relates to a device for applying paint to surfaces with an inking roller which has a cavity and is provided on its periphery with ink outlet openings leading from the cavity to the outside, with an ink distributor which is arranged in the cavity with a radial space and is concentric with the inking roller, inking roller and ink distributor being relative are rotatable relative to one another, with means for feeding the ink into the intermediate space, and with mechanical baffles for distributing the ink when the inking roller and ink distributor are rotated relative to one another.

Eine derartige Einrichtung ist aus der EP-A-0 169 671 bekannt.Such a device is known from EP-A-0 169 671.

Die Farbauftragswalze besteht aus mehreren, etwa zylinderförmigen Segmenten, die verdrehbar auf einem Farbverteiler angeordnet sind. Der Farbverteiler besteht aus einem Farbzuführrohr, das mit radialen Bohrungen versehen ist. Im massigen Körper der Farbauftragswalze sind radiale Bohrungen vorgesehen, die an der Oberfläche austreten und in axial gerichtete Einkerbungen auf der Außenseite der Segmente münden. Unmittelbar auf der Außenseite der Farbauftragwalze ist ein Flor vorgesehen. Wird Farbe unter Druck in das mittige Rohr eingeführt, so tritt es durch dessen axiale Bohrungen aus, verteilt sich in einem Zwischenraum zwischen Außenseite des Rohres und Innenseite der Segmente, strömt aus diesem Raum in die radialen Bohrungen oder Kanäle in den Segmenten, tritt an deren Außenseite unmittelbar benachbart zur Unterseite des Flores aus und wird durch die als mechanische Schikanen wirkende Rillen an der Außenseite der Segmente mehr oder weniger gleichmäßig streifenförmig in Längsrichtung der Außenseite der Farbauftragwalze verteilt.The inking roller consists of several, approximately cylindrical segments, which are rotatably arranged on an ink distributor. The paint distributor consists of a paint feed pipe with radial bores. Radial bores are provided in the solid body of the inking roller, which emerge on the surface and open into axially directed notches on the outside of the segments. A pile is provided directly on the outside of the inking roller. If ink is introduced under pressure into the central tube, it exits through its axial bores, is distributed in an intermediate space between the outside of the tube and the inside of the segments, flows from this space into the radial bores or channels in the segments, occurs at the segments Outside immediately adjacent to the underside of the pile and is distributed more or less evenly in strips in the longitudinal direction of the outside of the inking roller by the grooves acting as mechanical chicanes on the outside of the segments.

Nachteilig an einer derartigen Farbauftragswalze ist, daß der konstruktive Aufbau äußerst massig und kompliziert ist, wobei die Gefahr besteht, daß in die zahlreichen feinen Kanäle größere Teile eintreten können und diese verstopfen. Ferner ist im Bereich der Längsrillen auf der Außenseite der Farbauftragwalze immer mehr Farbe enthalten als, in Umfangsrichtung der Außenseite der Farbauftragswalze gesehen, in den zwischen den Rillen liegenden Bereichen, auf denen die Unterseite des Flores aufliegt. Daraus resultiert eine ungleichmäßige Farbverteilung über die Außenseite der Farbauftragsrolle.A disadvantage of such an inking roller is that the construction is extremely massive and complicated, with the risk that larger parts can enter the large fine channels and clog them. Furthermore, the area of the longitudinal grooves on the outside of the inking roller always contains more ink than, seen in the circumferential direction of the outside of the inking roller, in the areas lying between the grooves, on which the underside of the pile rests. This results in an uneven distribution of paint over the outside of the paint application roller.

Weitere Einrichtungen zum Auftragen von Farbe, die mechanische Schikanen zum Verteilen der Farbe in der Farbauftragwalze aufweisen, sind aus der DE-B-1 030 227 und der FR-A-1 074 748 bekannt.Further devices for applying paint, which have mechanical baffles for distributing the paint in the inking roller, are known from DE-B-1 030 227 and FR-A-1 074 748.

Auch bei solchen bekannten Einrichtungen ist der Farbverteiler als hohlzylindrischer Körper ausgebildet, in dessen Wandung Durchtrittsöffnungen für die Farbe angebracht sind. Die Farbe wird dem Farbverteiler durch ein in seinen Innenraum eingeführtes Rohr zugeführt. Das Rohr ist an einen Dosierhandgriff anschließbar und weist ebenfalls Farbaustrittsöffnungen auf. Die aus den Durchtrittsöffnungen im Farbverteiler (Rollereinsatz) austretende Farbe benetzt die mit einem Flor versehene Farbauftragswalze.In such known devices too, the paint distributor is designed as a hollow cylindrical body, in the wall of which there are passage openings for the paint. The paint is fed to the paint distributor through a tube inserted into its interior. The tube can be connected to a dosing handle and also has paint outlet openings. The paint emerging from the through openings in the paint distributor (roller insert) wets the paint application roller provided with a pile.

Es hat sich gezeigt, daß derartige Einrichtungen hinsichtlich der Gleichmäßigkeit der Benetzung der Farbauftragswalze und damit auch des Farbauftrages unzulänglich sind.It has been shown that such devices are inadequate with regard to the uniformity of the wetting of the inking roller and thus also the inking.

Der Erfindung liegt demgegenüber die Aufgabe zugrunde, eine Einrichtung der eingangs genannten Art dahingehend weiterzubilden, daß unter konstruktiv einfachen Mitteln stets eine gleichmäßige Benetzung bzw. Tränkung der Farbauftragswalze gewährleistet ist.The invention is based on the object of further developing a device of the type mentioned in such a way that uniform wetting or impregnation of the inking roller is always ensured with structurally simple means.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, daß der Farbverteiler auf einem Trag- und Farbzuführrohr angeordnet ist, wobei ein Farbzuführkanal das Innere des Farbzuführrohres mit dem Zwischenraum zwischen Farbverteiler und Farbauftragwalze verbindet, und daß die mechanischen Schikanen als Spirale auf der Oberfläche des Farbverteilers ausgebildet sind.According to the invention the object is achieved in that the ink distributor is arranged on a support and ink supply tube, an ink supply channel connecting the interior of the ink supply tube with the space between the ink distributor and inking roller, and in that the mechanical baffles are designed as a spiral on the surface of the ink distributor.

Die der Erfindung zugrundeliegende Aufgabe wird auf diese Weise vollkommen gelöst, weil die mechanischen Schikanen in Form einer Spirale im Zwischenraum zwischen dem auf dem Farbzuführrohr angeordneten Farbverteiler und der Farbauftragswalze für eine Verteilung der Farbe über die Länge und den Umfang des Farbverteilers sorgen, so daß die Farbe gleichmäßig über den gesamten Umfang der Farbauftragswalze durch die Farbaustrittsöffnungen durchtritt und daher den die Farbauftragswalze üblicherweise bedeckenden Flor gleichmäßig benetzt. Auf diese Weise wird sicher vermieden, daß beim Abrollen der Farbauftragwalze, z.B. auf einer Rauhfasertapete, die Farbe weder über die Länge der Walze noch über den Abrollweg ungleichmäßig aufgetragen wird, was zu unerwünschter Wolkenbildung führen würde. Dadurch, daß der Farbverteiler auf einem Trag- und Farbzuführrohr angeordnet ist, wobei ein Farbzuführkanal das Innere des Farbzuführrohres mit dem Zwischenraum verbindet, kann die Farbe der Einrichtung unter Druck beispielsweise mittels einer externen Pumpe zugeführt werden. In diesem Falle ist es besonders wichtig, daß die Farbe gleichmäßig über die Oberfläche der Farbauftragswalze verteilt wird, so daß die erfindungsgemäßen Vorteile besonders gut zur Geltung kommen. Durch Ausbilden der mechanischen Schikane als Spirale, vorzugsweise als Rundgewinde, Trapezgewinde oder Steilgewinde auf der zylindrischen Oberfläche des Farbverteilers, wird die Farbe gleichmäßig auf die Innenoberfläche der Farbauftragswalze über sämtliche Farbaustrittsöffnungen hinweg, aufgespachtelt, weil die Spirale, die zweckmäßigerweise bis nahe an die Innenoberfläche der Farbauftragswalze heranreicht, für eine ziehende Verteilung in Längsrichtung und Umfangsrichtung der Innenoberfläche der Farbauftragswalze sorgt. Außerdem hat die Spirale einen Fördereffekt, so daß die Farbe auch von daher gleichmäßig im Zwischenraum verteilt wird.The object on which the invention is based is completely achieved in this way because the mechanical baffles in the form of a spiral in the space between the ink distributor arranged on the ink supply pipe and the inking roller ensure distribution of the ink over the length and circumference of the ink distributor, so that the Ink passes uniformly over the entire circumference of the inking roller through the ink outlet openings and therefore uniformly wets the pile that usually covers the inking roller. In this way, it is reliably avoided that when the inking roller is unrolled, for example on a woodchip wallpaper, the ink is not applied unevenly over the length of the roller or over the unwinding path, which would lead to undesirable cloud formation. Characterized in that the paint distributor is arranged on a support and paint feed pipe, with a paint feed channel connecting the interior of the paint feed pipe with the intermediate space, the paint can be supplied to the device under pressure, for example by means of an external pump. In this case, it is particularly important that the ink is distributed evenly over the surface of the inking roller, so that the advantages according to the invention are particularly effective. By forming the mechanical baffle as a spiral, preferably as a round thread, trapezoidal thread or steep thread on the cylindrical surface of the ink distributor, the paint is evenly spread over the interior surface of the inking roller across all ink outlet openings, because the spiral, which is expediently close to the interior surface of the Ink application roller reaches, ensures a pulling distribution in the longitudinal and circumferential direction of the inner surface of the ink application roller. In addition, the spiral has a promotional effect, so that the color is therefore evenly distributed in the space.

Bei einer bevorzugten Weiterbildung dieser Variante mündet der Farbzuführkanal in eine Längsausnehmung an der Oberfläche des Farbverteilers.In a preferred development of this variant, the paint feed channel opens into a longitudinal recess on the surface of the paint distributor.

Diese Maßnahme hat den Vorteil, daß zunächst über die Längsausnehmung eine schnelle Farbverteilung über die Länge des Farbverteilers stattfindet, so daß von diesen gleichmäßig mit Farbe versorgten Längspositionen die Farbe dann auch noch gleichmäßig über den Umfang fein verteilt werden kann.This measure has the advantage that a rapid color distribution over the length of the color distributor first takes place via the longitudinal recess, so that the color can then be evenly distributed evenly over the circumference from these longitudinal positions, which are evenly supplied with color.

In einem weiteren Ausführungsbeispiel der Erfindung mündet der Farbzuführkanal nur in. der Längsmitte des Farbverteilers aus und die Spirale ist zu beiden Seiten der Ausmündung gegenläufig ausgebildet.In a further exemplary embodiment of the invention, the paint feed channel opens out only in the longitudinal center of the paint distributor and the spiral is designed in opposite directions on both sides of the mouth.

Diese Maßnahme hat zunächst den Vorteil, daß durch das Vorsehen nur eines einzigen Farbzuführkanales ein Druckgefälle entlang der Länge des Farbverteilers vermieden wird, weil Farbe nur an einer axialen Position zugeführt wird. Die mittige Positionierung hat den Vorteil, daß von dort aus die Farbe gleichmäßig nach beiden Längsseiten des Farbverteilers verteilt werden kann. Hierzu dient in besonders vorteilhafter Weise die gegenläufige Ausbildung der Spirale zu beiden Seiten des Farbzuführkanals, weil die Spirale dafür sorgt, daß die Farbe schnell und gleichmäßig vom Farbzuführkanal weg in beide axialen Hälften des Farbverteilers gefördert wird.This measure initially has the advantage that a pressure drop along the length of the ink distributor is avoided by the provision of only a single ink feed channel, because ink is only supplied at an axial position. The central positioning has the advantage that from there the paint can be distributed evenly to both long sides of the paint distributor. For this purpose, the opposing formation of the spiral on both sides of the ink supply channel is used in a particularly advantageous manner, because the spiral ensures that the ink is conveyed quickly and evenly away from the ink supply channel into both axial halves of the ink distributor.

Bei einer weiteren bevorzugten Ausgestaltung der Erfindung ist der Farbverteiler drehfest auf dem Farbzuführrohr angeordnet.In a further preferred embodiment of the invention, the paint distributor is arranged in a rotationally fixed manner on the paint feed pipe.

Diese Maßnahme hat den Vorteil, daß ein besonders einfacher Aufbau der erfindungsgemäßen Einrichtung entsteht, weil bei drehfestem Farbverteiler und rotierender Farbauftragswalze die erforderliche Relativdrehung von selbst entsteht.This measure has the advantage that a particularly simple structure of the device according to the invention is produced because the required relative rotation occurs automatically when the ink distributor is rotatable and the inking roller rotates.

Bei einer weiteren bevorzugten Ausgestaltung der Erfindung ist der Farbverteiler mittels einer Schraube am Farbzuführrohr befestigt.In a further preferred embodiment of the invention, the paint distributor is fastened to the paint feed pipe by means of a screw.

Diese Maßnahme hat den Vorteil, daß der Farbverteiler in besonders einfacher Weise drehstarr mit dem Farbzuführrohr verbunden werden kann, außerdem wird auf diese Weise eine sichere axiale Fixierung erreicht.This measure has the advantage that the paint distributor can be connected in a particularly simple manner to the paint feed pipe in a rotationally rigid manner, and in addition a secure axial fixation is achieved in this way.

Bei einer weiteren bevorzugten Ausgestaltung der Erfindung ist der Farbverteiler aus zwei axialen Hälften zusammengesetzt.In a further preferred embodiment of the invention, the color distributor is composed of two axial halves.

Diese Maßnahme hat den Vorteil, daß der Farbverteiler einfach produziert werden kann, insbesondere bei einer spiralig ausgestalteten Oberfläche, weil bei einer Fertigung mit zwei Halbschalen die erforderliche Spritzform leichter hergestellt werden kann.This measure has the advantage that the color distributor can be produced easily, especially with a spiral surface, because the required injection mold can be produced more easily in a production with two half-shells.

Bei einer weiteren bevorzugten Ausgestaltung der Erfindung ist die Farbauftragswalze mittels Walzenlagern auf dem Farbzuführrohr drehbar gelagert, insbesondere ist die Farbauftragswalze auf das freie Ende des Farbzuführrohrs bis zu einem Festanschlag aufschiebbar und dann mittels einer axialen Schraube am freien Ende axial fixierbar.In a further preferred embodiment of the invention, the inking roller is rotatably mounted on the ink supply tube by means of roller bearings, in particular the inking roller can be pushed onto the free end of the ink supply tube up to a fixed stop and then axially fixed at the free end by means of an axial screw.

Auch diese Maßnahme hat den Vorteil, daß der Aufbau der erfindungsgemäßen Einrichtung vereinfacht wird, ebenso die Montage und Demontage, beispielsweise zum Reinigen der Einrichtung nach Gebrauch.This measure also has the advantage that the structure of the device according to the invention is simplified, as is assembly and disassembly, for example for cleaning the device after use.

Weitere Vorteile ergeben sich aus der Beschreibung und der beigefügten Zeichnung.Further advantages result from the description and the attached drawing.

Es versteht sich, daß die vorstehend genannten und die nachstehend noch erläuterten Merkmale nicht nur in der jeweils angegebenen Kombination sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der Erfindung zu verlassen.It goes without saying that the features mentioned above and those yet to be explained below can be used not only in the respectively specified combination but also in other combinations or on their own without departing from the scope of the invention.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird in der nachfolgenden Beschreibung näher erläutert. Es zeigen:

  • Fig. 1 eine Draufsicht, teilweise im Schnitt und teilweise abgebrochen eines Ausführungsbeispiels einer erfindungsgemäßen Einrichtung;
  • Fig. 2 eine Schnittansicht entlang der Linie II-II von Fig 1.
An embodiment of the invention is shown in the drawing and is explained in more detail in the following description. Show it:
  • Figure 1 is a plan view, partly in section and partly broken off an embodiment of a device according to the invention.
  • FIG. 2 is a sectional view along the line II-II of FIG. 1.

In Fig. 1 ist mit 1 insgesamt eine erfindungsgemäße Einrichtung zum Auftragen von Farbe auf Flächen, vorzugsweise ebene Flächen, bezeichnet. Typischerweise werden Einrichtungen dieser Art dazu verwendet, um Wände, insbesondere mit Rauhfasertapete beklebte Wände mit einer Farbschicht zu versehen.In Fig. 1, 1 overall designates a device according to the invention for applying color to surfaces, preferably flat surfaces. Devices of this type are typically used to provide walls, in particular walls covered with woodchip wallpaper, with a layer of paint.

Ein Trag- und Farbzuführrohr 2 ist mittels eines Flanschteils 3 an einen Handgriff 4 ansetzbar, wobei der Handgriff 4 mit einem in der Figur nicht dargestellten Schlauch verbunden ist, der beispielsweise zu einer Pumpe führt, die Farbe durch den Handgriff 4, das Flanschteil 3 und das Trag-und Farbzuführrohr 2 pumpt, die sämtlich als Rohrleitungen ausgebildet sind.A carrying and paint feed pipe 2 can be attached to a handle 4 by means of a flange part 3, the handle 4 being connected to a hose (not shown in the figure) which, for example, leads to a pump, the paint through the handle 4, the flange part 3 and the support and ink supply pipe 2 pumps, all of which are designed as pipelines.

Das Trag- und Farbzuführrohr 2 ist ab dem Flanschteil 3 zunächst als gerader Abschnitt 5, dann als Krümmung 6, dann wiederum als Schräg-Geradeabschnitt 7, dann als zur Krümmung 6 gegenläufige Krümmung 8 und schließlich als gerader Tragabschnitt 9 ausgebildet, so daß insgesamt eine hakenartige Ausbildung entsteht, bei der der gerade Abschnitt 5 vorzugsweise senkrecht zum geraden Tragabschnitt 9 verläuft.The support and ink supply tube 2 is formed from the flange part 3 first as a straight section 5, then as a curve 6, then again as an inclined straight section 7, then as a curvature 6 opposite to the curvature 8 and finally as a straight support section 9, so that a total of one hook-like formation arises, in which the straight section 5 preferably extends perpendicular to the straight support section 9.

Im Übergangsbereich von der Krümmung 8 zum geraden Tragabschnitt 9 ist ein linker Festanschlag 10 auf dem Tragabschnitt 9 angebracht. Am gegenüberliegenden, freien Ende des Tragabschnitts 9 ist ein Stopfen 11 zu erkennen, in den eine Rändelschraube 12 eingeschraubt ist.In the transition area from the curvature 8 to the straight support section 9, a left fixed stop 10 is attached to the support section 9. At the opposite, free end of the support section 9, a plug 11 can be seen, into which a knurled screw 12 is screwed.

Der linke Festanschlag 10 bzw. die Rändelschraube 12 dienen zum axialen Fixieren eines linken Walzenlagers 13 bzw. eines rechten Walzenlagers 14. Die Walzenlager 13,14 sind auf dem Tragabschnitt 9 drehbar angeordnet. An ihrer Peripherie sind sie fest mit einer Farbauftragswalze 15 verbunden, die mit einem Hohlraum 16 versehen ist.The left fixed stop 10 or the knurled screw 12 serve to axially fix a left roller bearing 13 or a right roller bearing 14. The roller bearings 13, 14 are rotatably arranged on the support section 9. At their periphery they are firmly connected to an inking roller 15 which is provided with a cavity 16.

Die Farbauftragswalze 15 ist über ihre zylindrische Oberfläche mit einer Vielzahl von Farbaustrittsöffnungen 17 versehen, die den Hohlraum 16 mit der Umgebung verbinden. Die Farbauftragswalze 15 ist an ihrer Oberfläche zweckmäßigerweise mit einem Flor 18 versehen, der, von der Mitte der Farbauftragswalze 15 aus betrachtet, einen linken Abschnitt 19 und einen rechten Abschnitt 20 aufweist.The ink application roller 15 is provided over its cylindrical surface with a plurality of ink outlet openings 17 which connect the cavity 16 with the environment. The inking roller 15 is expediently provided on its surface with a pile 18, of which Viewed from the center of the inking roller 15, has a left section 19 and a right section 20.

Auf den Tragabschnitt 19 ist ein im wesentlichen zylindrischer Farbverteiler 25 aufgeschoben, dessen Außendurchmesser etwas kleiner ist als der Innendurchmesser der Farbauftragswalze 15. Auf diese Weise besteht zwischen Farbverteiler 25 und Farbauftragswalze 15 ein Zwischenraum 26.An essentially cylindrical ink distributor 25 is pushed onto the support section 19, the outside diameter of which is somewhat smaller than the inside diameter of the ink application roller 15. In this way, there is an intermediate space 26 between the ink distributor 25 and the ink application roller 15.

Wie man auch besonders gut aus Fig. 2 erkennen kann, erstreckt sich ein radialer Farbzuführkanal 27 von dem geraden rohrförmigen Tragabschnitt 9 zur Peripherie des Farbverteilers 25. Der Farbzuführkanal 27 mündet an der Oberfläche des Farbverteilers 25 in eine Längsausnehmung. Bei dem in der Figur dargestellten Ausführungsbeispiel ist nur ein einziger Farbzuführkanal 27 in der axialen Mitte des Farbverteilers 25 angeordnet, so daß sich rechts und links von der Ausmündung des Farbzuführkanals 27 eine linke Längsausnehmung 28 sowie eine rechte Längsausnehmung 29 erstrecken. Die Längsausnehmung 28, 29 hat, wie Fig. 2 zeigt, vorzugsweise eine halbzylindrische Form.As can also be seen particularly well from FIG. 2, a radial paint feed channel 27 extends from the straight tubular support section 9 to the periphery of the paint distributor 25. The paint feed channel 27 opens into a longitudinal recess on the surface of the paint distributor 25. In the embodiment shown in the figure, only a single ink feed channel 27 is arranged in the axial center of the paint distributor 25, so that a left longitudinal recess 28 and a right longitudinal recess 29 extend to the right and left of the mouth of the ink feed channel 27. The longitudinal recess 28, 29, as shown in FIG. 2, preferably has a semi-cylindrical shape.

An der Oberfläche des Farbverteilers 25 ist ferner eine Spirale 30 als Profil auf eine zylindrische Oberfläche aufgebracht. Die Spirale 30 zerfällt in einen linken Bereich 31 und einen rechten Bereich 32, die, wie Fig. 1 deutlich zeigt, eine gegenläufige Steigung von vorzugsweise 10° aufweisen.On the surface of the color distributor 25, a spiral 30 is also applied as a profile to a cylindrical surface. The spiral 30 is divided into a left region 31 and a right region 32, which, as FIG. 1 clearly shows, have an opposite slope of preferably 10 °.

Die Spirale 30 kann als Rundgewinde, Trapezgewinde oder Steilgewinde auf der zylindrischen Oberfläche des Farbverteilers 25 ausgebildet sein.The spiral 30 can be formed as a round thread, trapezoidal thread or steep thread on the cylindrical surface of the color distributor 25.

Wie man schließlich noch aus Fig. 2 erkennen kann, besteht der Farbverteiler 25 aus einer hinteren Hälfte 33 und einer vorderen Hälfte 34, die z.B. formschlüssig miteinander verbunden sein können. Die Hälften 33, 34 können ferner verschraubt, verklebt oder sonstwie miteinander verbunden sein.As can finally be seen from Fig. 2, the color distributor 25 consists of a rear half 33 and a front half 34, e.g. can be positively connected. The halves 33, 34 can also be screwed, glued or otherwise connected to one another.

Schließlich ist in Fig. 2 noch eine Arretierschraube 35 zu erkennen, mit der der Farbverteiler 25 axial auf dem geraden Tragabschnitt 9 des Trag- und Farbzuführrohrs 2 fixiert ist.Finally, a locking screw 35 can also be seen in FIG. 2, with which the paint distributor 25 is fixed axially on the straight support section 9 of the support and paint feed pipe 2.

Die Wirkungsweise der erfindungsgemäßen Einrichtung ist wie folgt:The operation of the device according to the invention is as follows:

Durch das in der Fig. nicht dargestellte pumpenaggregat wird Farbe aus einem Vorratsbehälter durch den Handgriff 4, das Flanschteil 3 und das Trag- und Farbzuführrohr 2 gepumpt, bis die Farbe den geraden Tragabschnitt 9 erreicht. Von dort aus fließt die Farbe durch den Farbzuführkanal 27 in radialer Richtung und tritt in die Längsausnehmungen 28 und 29 ein. Die Farbe wird nun relativ schnell über die Länge der Längsausnehmungen 28 und 29 bis an beide axiale Enden des Farbverteilers 25 verteilt.By means of the pump unit, not shown in the figure, paint is pumped from a storage container through the handle 4, the flange part 3 and the support and paint supply tube 2 until the paint reaches the straight support section 9. From there, the paint flows through the paint feed channel 27 in the radial direction and enters the longitudinal recesses 28 and 29. The paint is now distributed relatively quickly over the length of the longitudinal recesses 28 and 29 to both axial ends of the paint distributor 25.

Da der Farbverteiler 25 drehstarr mit dem geraden Abschnitt 9 verbunden ist, andererseits aber die Farbauftragswalze 15 durch das Rollen auf einer mit Farbe zu versehenen Wand rotiert, entsteht eine Relativdrehung zwischen Farbauftragswalze 15 und Farbverteiler 25. Diese Relativdrehung hat zur Folge, daß die aus den Längsausnehmungen 28, 29 über die Peripherie des Farbverteilers 25 ausströmende Farbe durch die gegenläufig verlaufenden Bereiche 31, 32 der Spirale 30 gleichmäßig über die gesamte Innenoberfläche der Farbauftragswalze 15 verteilt wird. Die Farbe tritt somit gleichförmig durch die Farbaustrittsöffnungen 17 hindurch und tränkt die Abschnitte 19 und 20 des Flors 18 gleichmäßig, so daß auch ein gleichmäßiger Farbauftrag auf der Fläche entsteht.Since the ink distributor 25 is connected in a rotationally rigid manner to the straight section 9, but on the other hand the ink application roller 15 rotates by rolling on a wall to be painted, there is a relative rotation between the ink application roller 15 and the ink distributor 25. This relative rotation has the consequence that the from the Longitudinal recesses 28, 29 paint flowing out over the periphery of the paint distributor 25 is distributed uniformly over the entire inner surface of the paint application roller 15 through the oppositely running areas 31, 32 of the spiral 30. The paint thus passes uniformly through the paint outlet openings 17 and soaks the sections 19 and 20 of the pile 18 evenly, so that there is also a uniform application of paint on the surface.

Claims (9)

1. Apparatus for applying paint to surfaces, having a paint application roller (15) which has a cavity (16), which paint application roller (15) is provided on its circumference with paint discharge openings (17) leading from the cavity (16) to the outside, having a paint distributor (25) arranged in the cavity (16) with a radial space (26) and concentrically with respect to the paint application roller (15), paint application roller (15) and paint distributor (25) being rotatable in relation to each other, having means for supplying the paint into the space (26) and having mechanical baffles for distributing the paint during rotation of paint application roller (15) and paint distributor (25) with respect to each other, characterized in that the paint distributor (25) is arranged on a support and paint supply tube (2), a paint supply channel (27) connecting the inside of the paint supply tube (2) to the space (26) between paint distributor (25) and paint application roller (15), and in that the mechanical baffles are constructed as a spiral (30) on the surface of the paint distributor (25).
2. Apparatus according to Claim 1, characterized in that the paint supply channel (27) opens out into a longitudinal recess (28, 29) on the surface of the paint distributor (25).
3. Apparatus according to Claim 1 or 2, characterized in that the spiral (30) is constructed as a round thread, trapezoidal thread or coarse thread on a cylindrical surface of the paint distributor (25).
4. Apparatus according to Claim 2 or 3, characterized in that the paint supply channel (27) only opens out in the longitudinal centre of the paint distributor (25) and in that the spiral (30) is constructed to run in opposite directions on both sides of the outlet.
5. Apparatus according to one of Claims 1 to 4, characterized in that the paint distributor (25) is arranged in a non-rotatable manner on the paint supply tube (2).
6. Apparatus according to Claim 5, charac, terized in that the paint distributor (25) is fixed on the paint supply tube (2) by means of a screw (35).
7. Apparatus according to one of Claims 1 to 6, characterized in that the paint distributor (25) is composed of two axial halves (33, 34).
8. Apparatus according to one of Claims 1 to 7, characterized in that the paint application roller (15) is mounted rotatably on the paint supply tube (2) by means of roller bearings (13, 14).
9. Apparatus according to Claim 8, characterized in that the paint application roller (15) can be pushed onto the free end of the paint supply tube (2) up to a fixed stop (10) and can then be fixed axially by means of an axial screw (12) at the free end.
EP87101974A 1986-02-15 1987-02-12 Apparatus for applying paint to surfaces Expired - Lifetime EP0234424B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87101974T ATE52950T1 (en) 1986-02-15 1987-02-12 DEVICE FOR APPLYING COLOR TO SURFACES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3604854 1986-02-15
DE3604854 1986-02-15

Publications (2)

Publication Number Publication Date
EP0234424A1 EP0234424A1 (en) 1987-09-02
EP0234424B1 true EP0234424B1 (en) 1990-05-23

Family

ID=6294189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87101974A Expired - Lifetime EP0234424B1 (en) 1986-02-15 1987-02-12 Apparatus for applying paint to surfaces

Country Status (3)

Country Link
EP (1) EP0234424B1 (en)
AT (1) ATE52950T1 (en)
DE (1) DE3762812D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19943324B4 (en) * 1998-09-16 2005-04-21 Thomas Dietlmeier Roller for applying paints or the like application masses
CA2516105A1 (en) * 2003-02-21 2004-09-02 Honda Motor Co., Ltd. Coating system for forming protective layer
JP6489724B1 (en) * 2018-08-29 2019-03-27 有限会社日栄ビルサービス Cartridge type roller paint

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE540989A (en) * 1953-01-09
DE1030227B (en) * 1957-03-02 1958-05-14 Alfred Mohr Paint applicator

Also Published As

Publication number Publication date
EP0234424A1 (en) 1987-09-02
DE3762812D1 (en) 1990-06-28
ATE52950T1 (en) 1990-06-15

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