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EP0470346A2 - Paint roller - Google Patents

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Publication number
EP0470346A2
EP0470346A2 EP91110052A EP91110052A EP0470346A2 EP 0470346 A2 EP0470346 A2 EP 0470346A2 EP 91110052 A EP91110052 A EP 91110052A EP 91110052 A EP91110052 A EP 91110052A EP 0470346 A2 EP0470346 A2 EP 0470346A2
Authority
EP
European Patent Office
Prior art keywords
roller
webs
bearing
paint roller
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91110052A
Other languages
German (de)
French (fr)
Other versions
EP0470346B1 (en
EP0470346A3 (en
Inventor
Alfred Friess
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Friess GmbH
Original Assignee
Friess GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Friess GmbH filed Critical Friess GmbH
Publication of EP0470346A2 publication Critical patent/EP0470346A2/en
Publication of EP0470346A3 publication Critical patent/EP0470346A3/en
Application granted granted Critical
Publication of EP0470346B1 publication Critical patent/EP0470346B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a paint roller with a hollow roller mounted on a multi-angled handle, covered with plush or the like, with a cylindrical roller core, which is held concentrically in the roller by radial webs and in which a slotted bearing bush, which holds the bearing leg of the handle part, holds axially is unmovably pivoted.
  • Paint rollers of this type which have a relatively simple structure and nevertheless function reliably under room operating conditions, have already been proposed in a wide variety of embodiments.
  • the roller, the roller core and the axial webs form a one-piece component, which is manufactured by injection molding.
  • you need their own molds for production which makes the very large amount of effort required with the large number of paint roller types.
  • the invention has for its object to design a paint roller of the type mentioned so that different sizes can be manufactured more easily.
  • a paint roller of the type mentioned is characterized according to the invention by a molded part comprising the roller core, the radial webs and a sleeve which connects the webs in the region of their outer edges at least on part of their axial extension and which is pressed into the roller designed as a simple tube piece is.
  • the separate molded part provided according to the invention which comprises the roller core and the radial webs, it is no longer necessary, for example, for only one change in the length of the paint roller, to provide separate shapes for this, since the rollers themselves can be simple cut-to-length parts of long tubes which can be provided in any length.
  • the same component comprising the roller core can be pressed in, so that ultimately only one injection molded part is necessary for the bearing component for all conceivably different lengths of a roller.
  • the need for providing such different bearing components with the roller core for different roller diameters which of course still exists, is of course much easier to solve.
  • the radial webs and a short sleeve can, of course, be produced much more easily than the one-piece part previously required, which also includes the roll , large component. The following are considerably smaller and therefore also much cheaper and easier.
  • the sleeve is to be provided with a plurality of spaced, circumferential, angular ribs which, due to the deformation of the inner surface of the roller, are pressed in so far that an axial displacement is only necessary with considerable effort, which never occurs when using a paint roller.
  • this high force for breaking in the molded part means no production obstacle either, since this can be easily achieved in automated production with the aid of corresponding hydraulic press rams.
  • the paint roller shown consists of a handle part 1 with a multi-angled, dimensionally stable wire bracket 2, one end of which is provided with a handle 3, while the bearing leg 4, which is inclined essentially by 90 ° with respect to the handle, serves to support the actual paint roller 5, which is made of a roller 6 and a cover 7, which can either consist of plush or could also be formed, for example, by flocking the roller 6.
  • the actual bearing of the bearing arm 4 is carried out by an essentially central bearing bush pivot bearing.
  • a slotted bearing bush 10 which is clamped onto the bearing leg 4, is supported in a roller core 11, which is supported on the inner wall 13 of the roller 6 via a plurality of radial webs 12.
  • the roller core 11 is provided with an inner annular rib 14 which engages in a corresponding annular groove of the bearing bush 10 and ensures the axial immovability of the bearing.
  • the roller core 11 and the radial webs 12 form a separate component, the webs being connected over part of their longitudinal extent by a sleeve 15, the outer surface of which lies in the peripheral surface of the outer web edges 16, the sleeve 15 being intended to be shorter in its longitudinal direction than the longitudinal extension of the webs and the roll core.
  • the sleeve 15 is provided on the outside with several contested, cross-sectionally triangular ribs 17 which, when this separate bearing component 18 is pressed into the roller 6, which can represent a very simple piece of pipe, ensures displacement-secured storage at the desired central location, which only can be lifted again by extremely high pressing forces, as they never occur in practice when using such paint rollers.
  • the radial webs 12 are provided with bevels 19 on both ends.
  • the invention is not restricted to the exemplary embodiment shown.
  • another attachment of the plush cover could also be provided, for example, by placing it around the end edges of the roller, so that it is between the outer edges of the clamping webs 20 and the inner surface 13 the roller is jammed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Coating Apparatus (AREA)

Abstract

The invention relates to a paint roller with a hollow cylinder which is mounted on a multiply angled handle component and covered with plush or the like, having a cylindrical cylinder core which is held concentrically in the cylinder by means of radial webs and in which a slotted bearing bushing which receives the bearing leg of the handle component in a clamping manner is rotationally mounted so as to be axially non-displaceable, having a preform comprising the cylinder core, the radial webs and an envelope which connects the webs in the region of their outer edges at least over a part of their axial extent and is pressed into the cylinder constructed as a simple tubular piece. <IMAGE>

Description

Die Erfindung bezieht sich auf einen Farbroller mit einer auf einem mehrfach gewinkelten Griff gelagerten, mit Plüsch oder dergleichen überzogenen hohlen Walze mit einem zylindrischen, durch radial Stege konzentrisch in der Walze gehalterten Walzenkern, in welchem eine geschlitzte, den Lagerschenkel des Griffteils klemmend aufnehmende Lagerbuchse axial unverschiebbar drehgelagert ist.The invention relates to a paint roller with a hollow roller mounted on a multi-angled handle, covered with plush or the like, with a cylindrical roller core, which is held concentrically in the roller by radial webs and in which a slotted bearing bush, which holds the bearing leg of the handle part, holds axially is unmovably pivoted.

Derartig relativ einfach aufgebaute und dennoch unter Raumbetriebsbedingungen sehr zuverlässig funktionierende Farbroller sind bereits in den unterschiedlichsten Ausführungsformen vorgeschlagen worden. Bei derartigen Konstruktionen wies sie z.B. in den Offenlegungsschriften DE 34 10 468 A1 sowie DE 35 27 646 A1 vorgeschlagen worden sind, bilden die Walze, der Walzenkern und die axialen Stege ein einstückiges Bauteil, welches im Wege des Spritzgießens gefertigt wird. Dabei benötigt man allerdings für unterschiedlich lange Farbroller ebenso wie für Farbroller mit unterschiedlichen Durchmessern jeweils eigene Formen zur Herstellung, was bei der Vielzahl der Farbrollertypen doch einen sehr hohen Aufwand erforderlich macht.Paint rollers of this type, which have a relatively simple structure and nevertheless function reliably under room operating conditions, have already been proposed in a wide variety of embodiments. In such constructions, e.g. In the published documents DE 34 10 468 A1 and DE 35 27 646 A1 have been proposed, the roller, the roller core and the axial webs form a one-piece component, which is manufactured by injection molding. However, for differently long paint rollers as well as for paint rollers with different diameters, you need their own molds for production, which makes the very large amount of effort required with the large number of paint roller types.

Der Erfindung liegt deren Aufgabe zugrunde einen Farbroller der Eingangs genannten Art so auszugestalten, daß unterschiedliche Größen einfacher hergestellt werden können.The invention has for its object to design a paint roller of the type mentioned so that different sizes can be manufactured more easily.

Zur Lösung dieser Aufgabe ist ein Farbroller der eingangs genannten Art erfindungsgemäß gekennzeichnet durch ein den Walzenkern, die radialen Stege und eine die Stege im Bereich ihrer Außenkanten zumindest auf einem Teil ihrer axialen Erstreckung verbindende Hülse umfaßendes Formteil, welches in die als einfaches Rohrstück ausgebildete Walze eingepreßt ist.To achieve this object, a paint roller of the type mentioned is characterized according to the invention by a molded part comprising the roller core, the radial webs and a sleeve which connects the webs in the region of their outer edges at least on part of their axial extension and which is pressed into the roller designed as a simple tube piece is.

Durch das erfindungsgemäß vorgesehene separate Formteil, welches den Walzenkern und die radialen Stege umfaßt, ist es beispielsweise bei lediglich einer Änderung der Länge des Farbrollers nicht mehr notwendig, hierfür gesonderte Formen vorzusehen, da ja die Walzen selbst einfache Ablängteile von langen Rohren sein können, die in beliebiger Länge vorgesehen werden können. In jedem Fall kann das gleiche den Walzenkern umfassende Bauteil eingepreßt werden, so daß für alle denkbar unterschiedlichen Längen einer Walze letztendlich nur ein Spritzgießteil für das Lagerbauteil notwendig ist. Auf der anderen Seite ist auch die selbstverständlich noch wie vor gegebene Notwendigkeit des Vorsehens von solchen unterschiedlichen Lager-Bauteilen mit dem Walzenkern für jeweils unterscheidliche Walzendurchmesser erheblich einfacher zu lösen. Neben der Möglichkeit durch einfaches Aufsetzen von Rohrstücken eine Durchmessererweiterung in Anpassung an erweiterte Walzendurchmesser vorzunehmen läßt sich selbstverständlich ein solches kurzes, den Walzenkern, die radialen Stege und eine kurze Hülse umfassendes Formteil sehr viel einfacher herstellen als das bisher notwendige einstückige, auch noch die Walze umfassende, große Bauteil. Die Folgenden werden erheblich kleiner und damit auch wesentlich billiger und einfacher.Due to the separate molded part provided according to the invention, which comprises the roller core and the radial webs, it is no longer necessary, for example, for only one change in the length of the paint roller, to provide separate shapes for this, since the rollers themselves can be simple cut-to-length parts of long tubes which can be provided in any length. In any case, the same component comprising the roller core can be pressed in, so that ultimately only one injection molded part is necessary for the bearing component for all conceivably different lengths of a roller. On the other hand, the need for providing such different bearing components with the roller core for different roller diameters, which of course still exists, is of course much easier to solve. In addition to the possibility of simply adding pipe pieces to make a diameter expansion in line with expanded roll diameters, such a short molded part comprising the roll core, the radial webs and a short sleeve can, of course, be produced much more easily than the one-piece part previously required, which also includes the roll , large component. The following are considerably smaller and therefore also much cheaper and easier.

In Ausgestaltung der Erfindung soll dabei die Hülse mit mehreren beabstandeten umlaufenden kantigen Rippen versehen sein, die sich auf Grund der Verformung der Innenfläche der Walze soweit eindrücken, daß eine axiale Verschiebung nur mit erheblichem Kraftaufwand notwendig ist, der bei der Benutzung eines Farbrollers nie auftritt. Umgekehrt bedeutet diese hohe Kraft zum Einsprengen des Formteils, auch kein Produktionshindernis, da dies bei einer automatisierten Fertigung mit Hilfe entsprechender hydraulischer Preßstempel problemlos erreicht werden kann.In an embodiment of the invention, the sleeve is to be provided with a plurality of spaced, circumferential, angular ribs which, due to the deformation of the inner surface of the roller, are pressed in so far that an axial displacement is only necessary with considerable effort, which never occurs when using a paint roller. Conversely, this high force for breaking in the molded part means no production obstacle either, since this can be easily achieved in automated production with the aid of corresponding hydraulic press rams.

Schließlich liegt es auch im Rahmen der Erfindung die axialen Stege mit Einführschrägen zu versehen, wodurch besonders das Einfädeln und damit die automatisierte Fertigung noch weiter vereinfacht wird.Finally, it is also within the scope of the invention to provide the axial webs with insertion bevels, as a result of which the threading and thus the automated production is particularly simplified.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels sowie anhand der Zeichnung. Dabei zeigen:

  • Fig.1 Eine Ansicht eines Farbrollers,
  • Fig.2 einen Längsschnitt längs der Linie 11 - 11 in Fig. 1 durch die Walze,
  • Fig.3 eine Seitenansicht des den Walzenkern umfassenden Formteils und
  • Fig.4 eine Stirnansicht des Formteils gem. Fig. 3.
Further advantages, features and details of the invention result from the following description of an exemplary embodiment and from the drawing. Show:
  • 1 shows a view of a paint roller,
  • 2 shows a longitudinal section along the line 11-11 in FIG. 1 through the roller,
  • 3 shows a side view of the molded part comprising the roller core
  • 4 shows an end view of the molded part according to Fig. 3.

Der dargestellte Farbroller besteht aus einem Griffteil 1 mit einem mehrfach gewinkelten formstabilen Drahtbügel 2, dessen eines Ende mit einem Handgriff 3 versehen ist, während der im wesentlichen um 90° gegenüber dem Handgriff geneigt verlaufende Lagerschenkel 4 zur Lagerung der eigentlichen Farbrolle 5 dient, die aus einer Walze 6 und einem Überzug 7 besteht, der entweder aus Plüsch bestehen kann oder beispielsweise auch durch Beflockung der Walze 6 gebildet sein könnte. Neben der nur eine Zusatzlagerung darstellenden Lagerung des Lagerschenkels 4 an seinen beiden Enden durch die Spannhülsen 8 der Stirnabschlußwände 9 erfolgt die eigentliche Lagerung des Lagerschenkels 4 durch ein im wesentlichen mittiges Lagerbuchsen-Drehlager. Dabei ist eine geschlitzte auf den Lagerschenkel 4 aufgeklemmte Lagerbuchse 10 in einem Walzenkern 11 gelagert, der sich über eine Vielzahl radialer Stege 12 an der Innenwand 13 der Walze 6 abstützt. Der Walzenkern 11 ist dabei mit einer inneren Ringrippe 14 versehen, die in eine entsprechende Ringnut der Lagerbuchse 10 eingreift und für die axiale Unverschiebbarkeit der Lagerung sorgt. Durch eine in der Zeichnung nicht im einzelnen dargestellten Schlitzung der Lagerbuchse, die in den eingangs aufgeführten Druckschriften im einzelnen gezeigt ist, läßt sich die Lagerbuchse 10 in den Walzenkern 11 einsprengen, und zwar bevorzugt ehe der Lagerschenkel 4 mit Preßsitz in die Lagerbuchse 10 eingedrückt wird.The paint roller shown consists of a handle part 1 with a multi-angled, dimensionally stable wire bracket 2, one end of which is provided with a handle 3, while the bearing leg 4, which is inclined essentially by 90 ° with respect to the handle, serves to support the actual paint roller 5, which is made of a roller 6 and a cover 7, which can either consist of plush or could also be formed, for example, by flocking the roller 6. In addition to the storage of the bearing arm 4 at its two ends, which represents only an additional bearing, through the clamping sleeves 8 of the end walls 9, the actual bearing of the bearing arm 4 is carried out by an essentially central bearing bush pivot bearing. A slotted bearing bush 10, which is clamped onto the bearing leg 4, is supported in a roller core 11, which is supported on the inner wall 13 of the roller 6 via a plurality of radial webs 12. The roller core 11 is provided with an inner annular rib 14 which engages in a corresponding annular groove of the bearing bush 10 and ensures the axial immovability of the bearing. Through one in the Drawing not shown in detail slot of the bearing bush, which is shown in detail in the publications mentioned above, the bearing bush 10 can burst into the roller core 11, preferably before the bearing leg 4 is pressed into the bearing bush 10 with a press fit.

Erfindungsgemäß bilden der Walzenkern 11 und die radialen Stege 12 ein separates Bauteil, wobei die Stege über einen Teil ihrer Längserstrekkung durch eine Hülse 15 verbunden sind, deren Außenfläche in der Umfangsfläche der Stegaußenkanten 16 liegt, wobei die Hülse 15 in ihrer Längsrichtung kürzer sein soll als die Längserstreckung der Stege und des Walzenkerns. Die Hülse 15 ist außenseitig mit mehreren beanstandeten, im Querschnitt dreieckförmigen Rippen 17 versehen, die beim Einpressen dieses gesonderten Lagerungsbauteils 18 in die Walze 6, die dabei ein ganz einfaches Rohrstück darstellen kann, für eine verschiebegesicherter Lagerung an der gewünschten mittigen Stelle sorgt, die nur durch extrem hohe Preßkräfte wieder gehoben werden kann, wie sie in der Praxis bei der Benutzung solcher Farbroller nie auftreten. Um das Einpressen des Bauteils 18 in die Walze 6 zu vereinfachen sind die radialen Stege 12 beidends mit Einführungsschrägen 19 versehen.According to the invention, the roller core 11 and the radial webs 12 form a separate component, the webs being connected over part of their longitudinal extent by a sleeve 15, the outer surface of which lies in the peripheral surface of the outer web edges 16, the sleeve 15 being intended to be shorter in its longitudinal direction than the longitudinal extension of the webs and the roll core. The sleeve 15 is provided on the outside with several contested, cross-sectionally triangular ribs 17 which, when this separate bearing component 18 is pressed into the roller 6, which can represent a very simple piece of pipe, ensures displacement-secured storage at the desired central location, which only can be lifted again by extremely high pressing forces, as they never occur in practice when using such paint rollers. In order to simplify the pressing of the component 18 into the roller 6, the radial webs 12 are provided with bevels 19 on both ends.

Die Erfindung ist nicht auf dargestellte Ausführungsbeispiel beschränkt. Neben der Detail selbstverständlich auch anders möglichen Ausgestaltung des Lagerungsbauteils 18 mit dem Walzenkern 11 könnte beispielsweise auch eine andere Befestigung des Plüschbezugs vorgesehen werden, indem dieser um die Stirnkanten der Walze herum gelegt ist, so daß er zwischen den Außenkanten der Klemmstege 20 und der Innenfläche 13 der Walze eingeklemmt ist.The invention is not restricted to the exemplary embodiment shown. In addition to the configuration of the bearing component 18 with the roller core 11, which of course is possible in a different way, another attachment of the plush cover could also be provided, for example, by placing it around the end edges of the roller, so that it is between the outer edges of the clamping webs 20 and the inner surface 13 the roller is jammed.

Claims (3)

1. Farbroller mit einer auf einem mehrfach gewinkelten Griffteil gelagerten, mit Plüsch oder dergleichen überzogenen hohlen Walze, mit einem zylindrischen durch radiale Stege konzentrisch in der Walze gehalteten Walzenkern, in welchem eine geschlitzte, den Lagerschenkel des Griffteils klemmend aufnehmende Lagerbuchse axial unverschiebbar drehgelagert ist, gekennzeichnet durch ein den Walzenkern (11), die radialen Stege (12) und eine die Stege (12) im Bereich ihrer Außenkanten (16), zumindest auf einem Teil ihrer axialen Erstrekkung, verbindende Hülse (15) umfassendes Formteil (18), welches in die als einfaches Rohrstück augebildete Walze (6) eingepreßt ist.1. Paint roller with a hollow roller mounted on a multi-angled handle part, covered with plush or the like, with a cylindrical roller core which is concentrically held in the roller by radial webs and in which a slotted bearing bush which clamps the bearing leg of the handle part is mounted so that it cannot rotate axially. characterized by a shaped part (18) comprising the roller core (11), the radial webs (12) and a sleeve (15) connecting the webs (12) in the region of their outer edges (16), at least on a part of their axial extent is pressed into the roller (6) formed as a simple piece of pipe. 2. Farbroller nach Anspruch 1, dadurch gekennzeichnet, daß die Hülse (15) mit umlaufenden kantigen Rippen (17) versehen ist.2. Paint roller according to claim 1, characterized in that the sleeve (15) is provided with peripheral angular ribs (17). 3. Farbroller nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die axialen Stege 12 mit Einführschrägen (19) versehen sind.3. Paint roller according to claim 1 or 2, characterized in that the axial webs 12 are provided with chamfers (19).
EP91110052A 1990-08-10 1991-06-19 Paint roller Expired - Lifetime EP0470346B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4025384A DE4025384A1 (en) 1990-08-10 1990-08-10 PAINT ROLLER
DE4025384 1990-08-10

Publications (3)

Publication Number Publication Date
EP0470346A2 true EP0470346A2 (en) 1992-02-12
EP0470346A3 EP0470346A3 (en) 1992-03-25
EP0470346B1 EP0470346B1 (en) 1994-01-26

Family

ID=6412010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91110052A Expired - Lifetime EP0470346B1 (en) 1990-08-10 1991-06-19 Paint roller

Country Status (5)

Country Link
EP (1) EP0470346B1 (en)
AT (1) ATE100736T1 (en)
DE (2) DE4025384A1 (en)
DK (1) DK0470346T3 (en)
ES (1) ES2048535T3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU670694B2 (en) * 1993-07-27 1996-07-25 Cormack Group Pty Limited Improvements in paint rollers
GB2366849A (en) * 2000-09-13 2002-03-20 Nour Trading House Inc Painting roller assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4219238A1 (en) * 1992-06-12 1993-12-16 Fia Farbwerkzeug Gmbh & Co Kg Paint roller
DE19835460A1 (en) 1998-08-06 2000-02-10 Fia Farbwerkzeug Gmbh & Co Kg Roller body for a paint roller

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3527646A1 (en) * 1985-08-01 1987-02-05 Friess Farbroller Paint roller
FR2593725A1 (en) * 1986-02-04 1987-08-07 Flament Sa Ets Paint roller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3527646A1 (en) * 1985-08-01 1987-02-05 Friess Farbroller Paint roller
FR2593725A1 (en) * 1986-02-04 1987-08-07 Flament Sa Ets Paint roller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU670694B2 (en) * 1993-07-27 1996-07-25 Cormack Group Pty Limited Improvements in paint rollers
GB2366849A (en) * 2000-09-13 2002-03-20 Nour Trading House Inc Painting roller assembly
GB2366849B (en) * 2000-09-13 2004-09-08 Nour Trading House Inc Painting roller assembly

Also Published As

Publication number Publication date
ES2048535T3 (en) 1994-03-16
EP0470346B1 (en) 1994-01-26
DE4025384A1 (en) 1992-02-13
DK0470346T3 (en) 1994-06-06
ATE100736T1 (en) 1994-02-15
DE59100939D1 (en) 1994-03-10
EP0470346A3 (en) 1992-03-25

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