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WO1994027735A1 - Waste-free spray painting process for cylindrical bodies - Google Patents

Waste-free spray painting process for cylindrical bodies Download PDF

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Publication number
WO1994027735A1
WO1994027735A1 PCT/EP1994/001745 EP9401745W WO9427735A1 WO 1994027735 A1 WO1994027735 A1 WO 1994027735A1 EP 9401745 W EP9401745 W EP 9401745W WO 9427735 A1 WO9427735 A1 WO 9427735A1
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WO
WIPO (PCT)
Prior art keywords
painting
hollow bodies
painted
cans
overlap
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.)
Ceased
Application number
PCT/EP1994/001745
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German (de)
French (fr)
Inventor
Hans-Jürgen Schlinsog
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to EP94918813A priority Critical patent/EP0702603A1/en
Publication of WO1994027735A1 publication Critical patent/WO1994027735A1/en
Anticipated expiration legal-status Critical
Ceased 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
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0609—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being automatically fed to, or removed from, the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
    • B05B13/0681—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation the hollow bodies comprising a closed end to be treated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area

Definitions

  • the invention relates to a method for spray painting cylindrical bodies while avoiding paint loss through overspray and paint aerosols.
  • the method can be applied in particular to rotating cylindrical bodies for their exterior and interior painting. It is particularly suitable for the interior painting of cans that are open on one side. It can be done continuously.
  • the conventional spray painting of open cylindrical hollow bodies, in particular cans is described, for example, in US Pat. No. 4,246,300.
  • the inside is sprayed out individually with a spray varnish using the cycle method, can by can.
  • the paint spray jet is drawn 5 - 15% of its width beyond the edge of the rotating can.
  • the object of the invention is to provide a method in which this paint loss during spray painting is prevented and disposal measures and environmental damage are avoided.
  • This object is achieved by the method forming a subject of the invention for spray painting the inner and / or outer surfaces of rotating cylindrical objects, which is characterized in that the result of the painting of an object to be painted the overspray is almost completely absorbed by at least one further object to be painted.
  • the method according to the invention is particularly suitable for spray painting with fan-shaped guidance of the spray jet, which can be done, for example, by using conventional slot nozzles.
  • the method according to the invention can preferably be used continuously for spray painting the inner and / or outer surfaces of a plurality of cylindrical ones
  • Objects are carried out.
  • the overspray formed during the painting of a first article and the aerosols formed from the paint are generally absorbed by a second article to be painted.
  • the method according to the invention can be applied, for example, to the exterior painting of rotating cylindrical hollow bodies, such as cans and, in particular, barrels. At least two objects to be painted are guided next to each other at the smallest possible distance so that the small body gap during the painting of the first item and overspray and paint aerosols are absorbed by a second item.
  • the method according to the invention is also particularly suitable for the interior painting of cylindrical hollow bodies which are open on one side.
  • These are in particular cans, for example conventional food and beverage cans.
  • the cylindrical hollow bodies are therefore generally referred to in the following as cans.
  • the procedure is preferably such that at least two cans during their contact with the (in particular fan-shaped) spray jet with their open ends are inclined so that they overlap without contact.
  • the angle of inclination of two cans to be painted one after the other is 5 to 60 °, based on their axes of rotation.
  • At least two cylindrical hollow bodies e.g. cans to be subjected to an interior painting are brought together so that a loss-free transition is formed at their opening edges for the paint spray jet.
  • the required overspray spray jet from a previous can is applied without loss as a pre-coating in the next can.
  • the height of the hollow bodies In the embodiment in which two cans or cylindrical hollow bodies are inclined relative to one another, it is advantageous to offset the height of the hollow bodies relative to one another, so that if the openings are inclined relative to one another, an overlap of the openings is possible without material contact.
  • paint cans in particular food and usual beverage cans
  • the overlap of the can openings is preferably also 0.5 to 40 mm.
  • the height shift and the overlap are each preferably 0.5 to 10 mm.
  • the process according to the invention not only prevents the loss of paint from overspray, but also reduces the mechanical and electronic complexity of conventional spray painting, for example can spray painting.
  • the cans are staggered in height.
  • the Bl can is higher than the B2 can, which enables contact-free overlap of the can openings when inclined by the angle alpha.
  • Alpha represents the angle of inclination of the cans B1 and B2 against each other; it relates to their axes of rotation C.
  • the cans B1 and B2 are held at their closed ends by rotatable holding devices D1 and D2, for example magnetic brackets, and guided past the spray jet A. Of course, it is also possible to guide the spray jet A past the cans.
  • Fig. 2 shows the overlapping open ends of the cans B1 and B2 seen from the spray jet A. This is shown in a fan shape in FIG. 2. It can be seen that it acts on both bodies to be painted simultaneously, without an overspray loss E.
  • Fig. 3 shows an embodiment in which several cans B, which are held at their closed end by a rotatable holder and are guided over an inner circular path F, so as to enable a continuous flow of material from cans and paint.
  • the cans on the inner circular path are continuously inclined towards one another at an angle beta, which is preferably 10 to 200 °.
  • the spray jet A can be guided continuously over at least two cans so that there is no loss of overspray.

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A process is disclosed for spray painting the inner and/or outer surfaces of rotating cylindrical objects (B1, B2), in particular with a fan-shaped spraying jet (A). The overspray produced while painting an object (B1) is deposited on another object (B2) to be painted next. The process is particularly suitable for painting the inside of cans. The cans are inclined in such a way with respect to each other, while in contact with the fan-shaped spraying jet, that their open ends overlap without touching each other.

Description

Verfahren zum abfallfreien Spritzlackieren von zylindrischen Kōrpern.  Process for waste-free spray painting of cylindrical bodies.

Die Erfindung betrifft ein Verfahren zur Spritzlackierung zylindrischer Körper unter Vermeidung von Lackverlust durch Overspray und Lackaerosole. Das Verfahren kann insbesondere auf rotierende zylindrische Körper zu deren Außen- und Innenlackierung angewendet werden. Es ist besonders geeignet zur Innenlackierung einseitig offener Dosen. Es kann kontinuierlich durchgeführt werden. Die herkömmliche Spritzlackierung offener zylindrischer Hohlkörper, insbesondere von Dosen wird beispielsweise in der US-A-42 46 300 beschrieben. Dabei wird im Taktverfahren, Dose für Dose, die Innenseite mit einem Spritzlack einzeln ausgespritzt. Um einen vollständigen und funktionssicheren Korrosionsschutz zu bewirken, wird der Lackspritzstrahl um 5 - 15 % seiner Breite über die Kante der rotierenden Dose hinausgezogen. Dieser in der Fachsprache als Overspray bezeichnete Lacκsμritzstrahl muß aus dem Dosenspritzautomaten herausgeführt und entsorgt werden. Auch bei der Außenlackierung zylindrischer Hohlkörper, wie beispielsweise der Außenlackierung von Fässern, wird ein Spritzstrahl so geführt, daß er über die rotierenden zu lackierenden Gegenstände herausragt, wodurch ebenfalls Overspray gebildet wird. Die Bildung von Overspray führt zu Verlusten von Lackmaterial, sowie zu aufwendigen Entsorgungsmaßnanmen um Umweltverschmutzunαen möαlichst auszuschließen. The invention relates to a method for spray painting cylindrical bodies while avoiding paint loss through overspray and paint aerosols. The method can be applied in particular to rotating cylindrical bodies for their exterior and interior painting. It is particularly suitable for the interior painting of cans that are open on one side. It can be done continuously. The conventional spray painting of open cylindrical hollow bodies, in particular cans, is described, for example, in US Pat. No. 4,246,300. Here, the inside is sprayed out individually with a spray varnish using the cycle method, can by can. In order to provide complete and reliable corrosion protection, the paint spray jet is drawn 5 - 15% of its width beyond the edge of the rotating can. This lacκsμritz jet, known in technical jargon as overspray, must be led out of the can spraying machine and disposed of. In the case of the exterior painting of cylindrical hollow bodies, such as the exterior painting of drums, a spray jet is guided in such a way that it protrudes over the rotating objects to be painted, whereby overspray is also formed. The formation of overspray leads to losses of paint material, as well as elaborate disposal measures to exclude environmental pollution as far as possible.

Aufgabe der Erfindung ist die Bereitstellung eines Verfahrens, bei dem dieser Lackverlust beim Spritzlackieren verhindert wird und Entsorgungsmaßnahmen und Umweltschäden vermieden werden. The object of the invention is to provide a method in which this paint loss during spray painting is prevented and disposal measures and environmental damage are avoided.

Diese Aufgabe wird durch das einen Gegenstand der Erfindung bildence Verfahren zur Spritzlackierung der Innen- und/oder Außenflächen rotierender zylinderförmiger Gegenstände gelöst, das dadurch gekennzeichnet ist, daß das bei der Lackie- rung eines zu lackierenden Gegenstandes entstan- dene Overspray nahezu vollständig von mindestens einem weiteren, anschließend zu lackierenden Gegenstand aufgenommen wird. Das erfindungsgemäße Verfahren ist besonders geeignet zur Spritzlackierung unter fächerförmiger Führung des Spritzstrahls, was z.B. durch Verwendung von üblichen Schlitzdüsen erfolgen kann. This object is achieved by the method forming a subject of the invention for spray painting the inner and / or outer surfaces of rotating cylindrical objects, which is characterized in that the result of the painting of an object to be painted the overspray is almost completely absorbed by at least one further object to be painted. The method according to the invention is particularly suitable for spray painting with fan-shaped guidance of the spray jet, which can be done, for example, by using conventional slot nozzles.

Das erfindungsgemäße Verfahren kann bevorzugt kontunuierlich zur Spritzlackierung der Innen- und/oder Außenflächen mehrerer zylinderförmigerThe method according to the invention can preferably be used continuously for spray painting the inner and / or outer surfaces of a plurality of cylindrical ones

Gegenstände durchgeführt werden. Dabei werden im allgemeinen das bei der Lackierung eines ersten Gegenstandes entstandene Overspray sowie entstandene Lackaerosole im allgemeinen von einem zweiten zu lackierenden Gegenstand aufgenommen. Objects are carried out. In general, the overspray formed during the painting of a first article and the aerosols formed from the paint are generally absorbed by a second article to be painted.

Das erfindungsgemäße Verfahren ist beispielsweise auf die Außenlackierunc von rotierenden zylindrischen Hohlkörpern, wie Dosen und insbesondere Fässer, anwendbar. Dabei werden mindestens zwei zu lackierende Gegenstände in möglichst geringem Abstand so nebeneinander geführt, daß durch den geringen Körperspalt bei der Lackierung des ersten Gegenstandes entstandenes Overspray und entstandene Lackaerosole von einem zweiten Gegenstand mit aufgenommen werden. The method according to the invention can be applied, for example, to the exterior painting of rotating cylindrical hollow bodies, such as cans and, in particular, barrels. At least two objects to be painted are guided next to each other at the smallest possible distance so that the small body gap during the painting of the first item and overspray and paint aerosols are absorbed by a second item.

Werden auf diese Weise beispielsweise Fässer einer Außenlackierung unterzogen, so kann der Oversprayanteil, der bei konventionellen Verfahren bis zu 40 Gew.-% des verwendeten Lackmaterials beträgt, stark reduziert werden. If, for example, drums are subjected to an external coating in this way, the proportion of overspray, which in conventional methods is up to 40% by weight of the coating material used, can be greatly reduced.

Das erfindungsgemäße Verfahren ist insbesondere auch zur Innenlackierung von einseitig offenen zylindrischen Hohlkörpern geeignet. Es handelt sich hierbei insbesondere um Dosen, beispielsweise übliche Nahrungsmittelund Getrãnkedosen. Die zylindrischen Hohlkörper werden daher im folgencen auch allαemein als Dosen bezeichnet. Bei der Innenlackierung von einseitig geschlossenen zylindrischen Hohlkörpern, insbesondere von Dosen, wird bevorzugt so vorgegangen, daß mindestens zwei Dosen während ihres Kontakts mit dem (insbesondere fächerförmigen) Spritzstrahl mit ihren offenen Enden so gegeneinander geneigt sind, daß sie sich berührungsfrei überlappen. Beispielsweise beträgt der Neigungswinkel von zwei nacheinander zu lackierenden Dosen 5 bis 60°, bezogen auf ihre Drehachsen. The method according to the invention is also particularly suitable for the interior painting of cylindrical hollow bodies which are open on one side. These are in particular cans, for example conventional food and beverage cans. The cylindrical hollow bodies are therefore generally referred to in the following as cans. In the interior painting of cylindrical hollow bodies closed on one side, in particular cans, the procedure is preferably such that at least two cans during their contact with the (in particular fan-shaped) spray jet with their open ends are inclined so that they overlap without contact. For example, the angle of inclination of two cans to be painted one after the other is 5 to 60 °, based on their axes of rotation.

Durch diese Verfahrensweise werden mindestens zwei einer Innenlackierung zu unterziehende zylindrische Hohlkörper (z.B. Dosen) so zueinander gebracht, daß an ihren Öffnungskanten für den Lackspritzstrahl ein verlustfreier Übergang gebildet wird. Der erforderliche Oversprayspritzstrahl einer vorausgehenden Dose wird als Vorlackierung verlustfrei in die nächstfolgende Dose eingebracht. By this procedure, at least two cylindrical hollow bodies (e.g. cans) to be subjected to an interior painting are brought together so that a loss-free transition is formed at their opening edges for the paint spray jet. The required overspray spray jet from a previous can is applied without loss as a pre-coating in the next can.

Bei dieser Arbeitsweise ist es möglich, mehrere Dosen kontinuierlich hintereinander zu lackieren. Dabei können fortlaufende Dosenübergänge gebildet werden, der Spritzstrahl und der Dosenfluß können dabei kontinuierlich erfolgen. With this method of working it is possible to paint several cans continuously one after the other. Continuous can transitions can be formed, the spray jet and the can flow can take place continuously.

Bei der Ausführungsform, bei der zwei Dosen bzw. zylindrische Hohlkörper gegeneinander geneigt werden, ist es günstig, die Hohlkörper in ihrer Höhe gegeneinander zu versetzen, so daß bei Neigung gegeneinander eine Überlappung der Öffnungen möglich ist, ohne daß eine Materialberührung erfolgt. Bei der Lackierung von Dosen, insbesondere Nahrungsmittel- und üblichen Getränkedosen, ist es bevorzugt, die Dosen in ihrer Höhe um 0,5 bis 40 mm gegeneinander zu versetzen. Die Überlappung der Dosenöffnungen beträgt bevorzugt ebenfalls 0,5 bis 40 mm. Bei den üblichen Getränkedosen von 0,33 1 Inhalt liegen die Höhenverschiebung und die Überlappung jeweils bevorzugt bei 0,5 bis 10 mm. Durch das erfindungsgemäße Verfahren kann nicht nur der Lackverlust durch Overspray verhindert, sondern auch der mechanische und elektronische Aufwand der herkömmlichen Spritzlackierung, z.B. der Dosenspritzlackierung reduziert werden. Beim erfindungsgemäßen Verfahren ist es möglich, herkömmliche Soritzautomaten, z.B. Dosenspritzautomaten, zu verwenden, die einfach auf das erfindungsgemäße Verfahren umgerüstet werden können. Dadurch kann die Lackierung um den Anteil des bisherigen Lackverlustes kostengünstiger bei gleichzeitiger Verdoppelung der Produktionsgeschwindigkeit und Halbierung des Wartungsaufwandes erfolgen. In the embodiment in which two cans or cylindrical hollow bodies are inclined relative to one another, it is advantageous to offset the height of the hollow bodies relative to one another, so that if the openings are inclined relative to one another, an overlap of the openings is possible without material contact. When painting cans, in particular food and usual beverage cans, it is preferred to offset the cans in height by 0.5 to 40 mm. The overlap of the can openings is preferably also 0.5 to 40 mm. With the usual beverage cans of 0.33 1 content, the height shift and the overlap are each preferably 0.5 to 10 mm. The process according to the invention not only prevents the loss of paint from overspray, but also reduces the mechanical and electronic complexity of conventional spray painting, for example can spray painting. In the method according to the invention, it is possible to use conventional automatic spray guns, for example automatic spray guns, which can be easily converted to the method according to the invention. This allows the Painting by the share of the previous paint loss cost-effectively while doubling the production speed and halving the maintenance effort.

Die beigefügten Figuren 1, 2 und 3 stellen bevorzugte Ausführungsbeispiele der Erfindung dar. The attached Figures 1, 2 and 3 represent preferred embodiments of the invention.

Fig. 1 zeigt die Überlappung, bzw. die Brückenbildung zweier Dosen für den verlustfreien Übergang eines Lackspritzstrahls A, sowie die berührungsfreie Rotation beider Dosenkörper Bl und B2. Bei dieser Ausführungsform sind die Dosen in ihrer Höhe gegeneinander versetzt angeordnet. Die Dose Bl liegt höher als die Dose B2 , wodurch eine berührungsfreie Überlappung der Dosenöffnungen bei Neigung um den Winkel alpha ermöglicht wird. Alpha stellt den Neigungswinkel der Dosen B1 und B2 gegeneinander dar; er bezieht sich auf ihre Drehachsen C. Bei der dargestellten Ausführungsform werden die Dosen B1 und B2 an ihrem geschlossenen Ende durch rotierbare Halteeinrichtungen D1 und D2, beispielsweise magnetische Halterungen, gehalten und am Spritzstrahl A vorbeigeführt. Selbstverständlich ist es auch möglich, den Spritzstrahl A an den Dosen vorbeizuführen. 1 shows the overlap or the bridging of two cans for the loss-free transition of a paint spray jet A, and the contact-free rotation of both can bodies B1 and B2. In this embodiment, the cans are staggered in height. The Bl can is higher than the B2 can, which enables contact-free overlap of the can openings when inclined by the angle alpha. Alpha represents the angle of inclination of the cans B1 and B2 against each other; it relates to their axes of rotation C. In the embodiment shown, the cans B1 and B2 are held at their closed ends by rotatable holding devices D1 and D2, for example magnetic brackets, and guided past the spray jet A. Of course, it is also possible to guide the spray jet A past the cans.

Fig. 2 zeigt die sich überlappenden offenen Enden der Dosen B1 und B2 vom Spritzstrahl A her gesehen. Dieser wird in der Fig. 2 fächerförmig dargestellt. Es ist ersichtlich, daß er auf beide zu lackierende Körper gleichzeitig einwirkt, ohne daß ein Oversprayverlust E entsteht. Fig. 2 shows the overlapping open ends of the cans B1 and B2 seen from the spray jet A. This is shown in a fan shape in FIG. 2. It can be seen that it acts on both bodies to be painted simultaneously, without an overspray loss E.

Fig. 3 zeigt eine Ausführungsform, bei der mehrere Dosen B, die an ihrem geschlossenen Ende durch eine rotierbare Halterung gehalten werden und über eine Innenkreisbahn F geführt werden, um so einen kontinuierlichen Materialfluß von Dosen und Lack zu ermöglichen. Dabei werden die Dosen auf der Innenkreisbahn über einen Winkel beta, der bevorzugt bei 10 bis 200° liegt, kontinuierlich gegeneinander geneigt. Der Spritzstrahl A kann dabei kontinuierlich über mindestens zwei Dosen so geführt werden, daß sich kein Oversprayverlust ergibt. Fig. 3 shows an embodiment in which several cans B, which are held at their closed end by a rotatable holder and are guided over an inner circular path F, so as to enable a continuous flow of material from cans and paint. The cans on the inner circular path are continuously inclined towards one another at an angle beta, which is preferably 10 to 200 °. The spray jet A can be guided continuously over at least two cans so that there is no loss of overspray.

Claims

Patentansprüche: Claims: 1. Verfahren zur Spritzlackierung der Innen- und/oder Außenflächen 1. Process for spray painting the inner and / or outer surfaces rotierender zylinderförmiger Gegenstände, d a d u r c h g e k e n n z e i c h n e t, daß das bei der Lackierung eines zu lackierenden Gegenstands entstandene Overspray von mindestens einem weiteren, anschließend zu lackierenden Gegenstand aufgenommen wird.  rotating cylindrical objects, so that the overspray created during the painting of an object to be painted is absorbed by at least one other object to be subsequently painted. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Spritzlackierung unter fächerförmiger Führung eines Spritzstrahls erfolgt. 2. The method according to claim 1, characterized in that the spray painting takes place under the fan-shaped guidance of a spray jet. 3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß 3. The method according to claim 1 or 2, characterized in that mehrere zu lackierende zylinderförmige Gegenstände rotierend so dicht nebeneinander geführt werden, daß das bei der Lackierung eines vorausgehenden zu lackierenden Gegenstands entstandene Overspray mindestens von einem weiteren zu lackierenden Gegenstand aufgenommen wird.  a plurality of cylindrical objects to be painted are rotated so close to one another that the overspray formed during the painting of a previous article to be painted is absorbed by at least one other object to be painted. 4. Verfahren nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß zylindrische Fässer einer Außenlackierung unterzogen werden. 4. The method according to claim 1, 2 or 3, characterized in that cylindrical barrels are subjected to an external coating. 5. Verfahren nach Anspruch 1, 2, 3 oder 4, dadurch gekennzeichnet, daf: es sich bei den zu lackierenden Gegenständen um einseitig geschlossene zylindrische Hohlkörper handelt, die einer Innenlackierung unterzogen werden, wobei mindestens zwei Hohlkörper während ihres5. The method according to claim 1, 2, 3 or 4, characterized in that: the objects to be coated are cylindrical hollow bodies which are closed on one side and which are subjected to an interior coating, with at least two hollow bodies during their Kontakts mit dem Spritzstrahl mit ihren offenen Enden so gegeneinander geneigt sind, daß sie sich berührungsfrei überlappen. Contact with the spray jet with their open ends are inclined so that they overlap without contact. 6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß es sich bei den Hohlkörpern um Dosen handelt. 6. The method according to claim 5, characterized in that the hollow bodies are cans. 7. Verfahren nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Hohlkörper in einem Winkel von 5 bis 60°, bezogen auf inre Drehachsen, gegeneinander geneigt sind. 7. The method according to claim 5 or 6, characterized in that the Hollow bodies are inclined at an angle of 5 to 60 °, based on the internal axes of rotation. 8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß die Kohlkörper in ihrer Höhe um 0,5 bis 40 mm gegeneinander versetzt sind und dadurch eine Überlappung von 0,5 bis 40 mm ergeben. 8. The method according to claim 7, characterized in that the height of the cabbages are offset from one another by 0.5 to 40 mm and thereby result in an overlap of 0.5 to 40 mm. 9. Verfahren nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß die Überlappung kontinuierlich über mehr als zwei Hohlkörper ausgebildet wird, wobei die Hohlkörper über einen Winkel von 10 - 200° an der Innenseite einer Kreisbahn kontinuierlich geführt werden und daß der Spritzstrahl kontinuierlich über diese kontinuierlich erzeugte Überlappung geführt wird. 9. The method according to any one of claims 5 to 8, characterized in that the overlap is formed continuously over more than two hollow bodies, the hollow bodies being continuously guided over an angle of 10-200 ° on the inside of a circular path and in that the spray jet is continuous is guided over this continuously generated overlap.
PCT/EP1994/001745 1993-05-29 1994-05-28 Waste-free spray painting process for cylindrical bodies Ceased WO1994027735A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP94918813A EP0702603A1 (en) 1993-05-29 1994-05-28 Waste-free spray painting process for cylindrical bodies

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4318048.5 1993-05-29
DE4318048A DE4318048A1 (en) 1993-05-29 1993-05-29 Process for waste-free spray painting of cylindrical bodies

Publications (1)

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WO1994027735A1 true WO1994027735A1 (en) 1994-12-08

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PCT/EP1994/001745 Ceased WO1994027735A1 (en) 1993-05-29 1994-05-28 Waste-free spray painting process for cylindrical bodies

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EP (1) EP0702603A1 (en)
DE (1) DE4318048A1 (en)
WO (1) WO1994027735A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021151131A1 (en) 2020-01-29 2021-08-05 Ess Holding Gmbh Method for high-speed coating the inner surface of a blank

Citations (5)

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Publication number Priority date Publication date Assignee Title
US2888362A (en) * 1952-05-26 1959-05-26 Ransburg Electro Coating Corp Method and apparatus for electrostatically coating an article
FR1227431A (en) * 1959-03-06 1960-08-19 Loing Verreries Process and devices for enamelling or painting objects, in particular for culinary use, made of glass, ceramic or other electrically insulating material
US3479208A (en) * 1966-09-13 1969-11-18 Anchor Hocking Corp Method and means for surface coating glassware
US4186225A (en) * 1976-08-04 1980-01-29 American Can Company Method of coating the interior surfaces of a hollow article
US4246300A (en) * 1979-02-28 1981-01-20 Reynolds Metals Company Can transport

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Publication number Priority date Publication date Assignee Title
CA1054870A (en) * 1974-05-20 1979-05-22 Ihab M. Hekal Method for coating metal container body interiors with aqueous dispersed resin coating materials
DE3932312A1 (en) * 1989-09-28 1991-04-11 Praezisions Werkzeuge Ag METHOD AND SYSTEM FOR SPRAY COATING WORKPIECES

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888362A (en) * 1952-05-26 1959-05-26 Ransburg Electro Coating Corp Method and apparatus for electrostatically coating an article
FR1227431A (en) * 1959-03-06 1960-08-19 Loing Verreries Process and devices for enamelling or painting objects, in particular for culinary use, made of glass, ceramic or other electrically insulating material
US3479208A (en) * 1966-09-13 1969-11-18 Anchor Hocking Corp Method and means for surface coating glassware
US4186225A (en) * 1976-08-04 1980-01-29 American Can Company Method of coating the interior surfaces of a hollow article
US4246300A (en) * 1979-02-28 1981-01-20 Reynolds Metals Company Can transport

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021151131A1 (en) 2020-01-29 2021-08-05 Ess Holding Gmbh Method for high-speed coating the inner surface of a blank

Also Published As

Publication number Publication date
DE4318048A1 (en) 1994-12-01
EP0702603A1 (en) 1996-03-27

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