EP0167923A2 - Procédé pour appliquer un décor et un vernis anticorrosif sur des corps de boîtes en métal - Google Patents
Procédé pour appliquer un décor et un vernis anticorrosif sur des corps de boîtes en métal Download PDFInfo
- Publication number
- EP0167923A2 EP0167923A2 EP85107862A EP85107862A EP0167923A2 EP 0167923 A2 EP0167923 A2 EP 0167923A2 EP 85107862 A EP85107862 A EP 85107862A EP 85107862 A EP85107862 A EP 85107862A EP 0167923 A2 EP0167923 A2 EP 0167923A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- lacquer
- corrosion
- bodies
- preventing
- decorative
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
Definitions
- the invention relates to a method for decorating and corrosion-preventing painting of metallic can bodies, preferably made of tin-plated sheet metal, in particular sealed can bodies on the bottom side, in which a decorative print is first applied to the outer surface of the can body and hardened by drying and / or crosslinking before the application of the corrosion-preventing paint.
- the invention has for its object to develop a method of the type described in the introduction so that a reliable corrosion-preventing coating of the entire surface of the can body is achieved with a simultaneous reduction in the process steps and a reduction in equipment and personnel, while at the same time saving paint material.
- the method mentioned in the introduction is characterized in that the can body, which is provided with a decorative print, is subjected to an electro-dip coating with subsequent drying and / or crosslinking of the dip lacquer in order to apply the anti-corrosion lacquer.
- Electrocoating is known for coating metallic hollow bodies, in particular in the automotive industry, and has also been described in connection with the application of a coating to can bodies (DE-OS 20 24 106).
- the application of the corrosion-preventing lacquer is provided by immersing the can bodies of three-part cans after the completion of the can bodies before the bodies are provided with a bottom and filled.
- the question of a decorative print is not addressed in the previous publication. If such a decorative print were to be provided, it would have to be applied to the corrosion-preventing lacquer layer, which would cause considerable difficulties, which are in particular a risk of damage to the corrosion-preventing lacquer layer, which cannot be avoided by the mechanical stress on the can body during the printing process.
- the possibility of electrocoating can bodies in the process for decorating and corrosion-preventing painting of such can bodies without affecting the development of the The method described in the introduction has remained, although the electro-dip coating in the combination described with the decorative printing leads to very considerable advantages.
- the electrodeposition coating provides a safe coating of all surfaces not yet protected against corrosion in a single operation, and possible defects in the surfaces already provided with previously applied lacquer are also protected against corrosion by appropriate deposition of the lacquer in the immersion coating.
- the deposition of the paint in the electrocoating process takes place at all points on the surface of the can body only in an extremely small layer thickness, which is also reinforced at the edges and curves with a small radius of curvature, so that due to the increased risk of corrosion there is a correspondingly improved protection by Paint application is achieved.
- the application of the base coat on the outer surface which is otherwise necessary, can be dispensed with.
- This basic lacquer application has so far been necessary because surfaces of the decorative print which are set off from one another in color cannot be printed directly next to one another, but instead have to enclose a distance between them because of the risk of the printing inks developing.
- the basic lacquer application forms the surface coating of the can body between the color fields of the decor print and at the same time complements the overall decor with its coloring.
- the decorative print insofar as it consists of separate color fields, is applied to the bare metallic outer surface and hardened, and a corrosion-preventing lacquer is applied to the can body provided with this decorative print Apply electro-dip coating and at the same time thereby supplement or complete the decorative print.
- the optical addition is possible with both pigmented and non-pigmented lacquer.
- the pigmentation of the corrosion-preventing lacquer can be carried out with color pigments that were also included in the base coat application in the conventional process.
- the areas remaining between the separate color fields of the decor print are provided with a colored varnish coating which corresponds to the base coat and thus complements or completes the decor print. Since the electrodeposition coating determines the paint dependence on the electrical conductivity between the can body and the counterelectrode and the paint layer represents an insulation resistance, it is ensured despite the sharp delimitation of the paint job by the electrodeposition coating and the decorative print that no areas remain between these two paint applications that are not adequately covered with a layer of lacquer and form areas at risk of corrosion.
- the color areas mentioned, separated from one another by the decorative printing can be pictorial representations, letters, numbers and the like.
- the individual, separated color areas can also be applied in the context of a multicolor print.
- an electrically conductive lacquer is used for the decor printing of all the colored surfaces and that the entire surface of the can body is subsequently completely coated with a clear lacquer by means of the electrocoating.
- the aforementioned method is particularly useful for the production of decorated cans, the outer surfaces of which are exposed to severe stress during the subsequent treatment. This is because the varnish applied to the decorative print creates a protective layer for this decorative print and at the same time achieves a corrosion-preventing coating on the surfaces not coated by the decorative print in a single operation.
- the aforementioned method is particularly recommended in cases where the outer surface of the can body adjacent to the decorative print even bright surfaces having b z w. the separated color fields of the decor print are separated from each other by blank areas.
- the decorative print is applied to the bare can bodies in a manner similar to the method described above, and after this decorative print has hardened, the electrocoating is carried out with a clear varnish.
- the electrical conductivity of the varnish used for the decor printing can be adjusted so that the thickness of the varnish layer that arises on the color fields of the decor printing during electrodeposition coating is kept smaller than in the other areas.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Physical Vapour Deposition (AREA)
- Electroplating Methods And Accessories (AREA)
- Printing Methods (AREA)
- Adornments (AREA)
- Table Devices Or Equipment (AREA)
- Manufacturing Of Printed Wiring (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85107862T ATE40802T1 (de) | 1984-07-11 | 1985-06-25 | Verfahren zum dekorieren und korrosionsverhindernden lackieren von metallischen dosenruempfen. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843425435 DE3425435A1 (de) | 1984-07-11 | 1984-07-11 | Verfahren zum dekorieren und korrosionsverhindernden lackieren von metallischen dosenruempfen |
DE3425435 | 1984-07-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0167923A2 true EP0167923A2 (fr) | 1986-01-15 |
EP0167923A3 EP0167923A3 (en) | 1986-09-03 |
EP0167923B1 EP0167923B1 (fr) | 1989-02-15 |
Family
ID=6240305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85107862A Expired EP0167923B1 (fr) | 1984-07-11 | 1985-06-25 | Procédé pour appliquer un décor et un vernis anticorrosif sur des corps de boîtes en métal |
Country Status (9)
Country | Link |
---|---|
US (1) | US4693801A (fr) |
EP (1) | EP0167923B1 (fr) |
AT (1) | ATE40802T1 (fr) |
CA (1) | CA1270792A (fr) |
DD (1) | DD235426A5 (fr) |
DE (2) | DE3425435A1 (fr) |
DK (1) | DK165393C (fr) |
ES (1) | ES8607064A1 (fr) |
GR (1) | GR851698B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5858098A (en) * | 1997-01-10 | 1999-01-12 | Eagle-Picher Industries, Inc. | Immersion can coating apparatus and method |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0010256D0 (en) * | 2000-04-28 | 2000-06-14 | Crown Cork & Seal Tech Corp | Can end |
US7947160B2 (en) * | 2004-08-13 | 2011-05-24 | Ppg Industries Ohio, Inc. | System for coating objects |
US20060032730A1 (en) * | 2004-08-13 | 2006-02-16 | Kaufman Paul J | Belt conveyor apparatus |
US20060051511A1 (en) * | 2004-08-13 | 2006-03-09 | Orosz Gary R | Apparatus and systems for coating objects |
US7943028B2 (en) * | 2004-08-13 | 2011-05-17 | Ppg Industries Ohio, Inc. | Method for coating objects |
DE102006016477A1 (de) * | 2006-04-07 | 2007-10-11 | GM Global Technology Operations, Inc., Detroit | Kataphoretische Tauchlackierungen an Karosserien und Bauteilen mit verbessertem Umgriffverhalten |
DE102008059014A1 (de) * | 2008-05-28 | 2009-12-03 | Basf Coatings Ag | Verfahren zur Beschichtung von Metallbändern |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1947983A1 (de) * | 1969-03-03 | 1970-09-24 | Continental Can Co | Verfahren zum Behandeln eines Metallgegenstandes,der eine Oberflaechenbeschichtung aufweist |
DE2024106A1 (de) * | 1969-06-02 | 1970-12-10 | Continental Can Company Inc., New York, N.Y. (V.St.A.) | Vorrichtung zum elektrischen Auftragen einer Beschichtung auf Dosenrümpfe |
DE2726732A1 (de) * | 1977-06-14 | 1979-01-04 | Vogelsang K Gmbh | Verfahren zum doppelten lackieren von werkstuecken und lackieranlage zur durchfuehrung des verfahrens |
US4139656A (en) * | 1975-07-23 | 1979-02-13 | Metal Box Limited | Printing and coating method |
GB1558464A (en) * | 1975-07-29 | 1980-01-03 | Metal Box Co Ltd | Method and apparatus for providing flame cured coatings |
EP0033140A1 (fr) * | 1980-01-29 | 1981-08-05 | Hoechst Aktiengesellschaft | Procédé pour la préparation d'un revêtement de surface avec un matériau durcissable à plusieurs composants |
DE3314776A1 (de) * | 1983-04-23 | 1984-10-25 | Herberts Gmbh, 5600 Wuppertal | Verfahren zur herstellung mehrfarbiger dekorativer beschichtungen |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE33140C (de) * | E. CARENOU in Paris, 9 Rue de Ciapeyron | Alarmapparat für Eisenbahnwagenthüren | ||
SE322877B (fr) * | 1968-09-25 | 1970-04-20 | Elektro Gennel Ab | |
GB1554866A (en) * | 1975-07-23 | 1979-10-31 | Metal Box Co Ltd | Printing and coating hollow articles |
JPS60432B2 (ja) * | 1978-03-27 | 1985-01-08 | 凸版印刷株式会社 | 部分着色金属化粧板 |
US4094760A (en) * | 1977-07-25 | 1978-06-13 | Aluminum Company Of America | Method and apparatus for differentially and simultaneously electrocoating the interior and exterior of a metal container |
US4210507A (en) * | 1978-09-18 | 1980-07-01 | Aluminum Company Of America | Electrocoating flow control electrode and method |
US4246088A (en) * | 1979-01-24 | 1981-01-20 | Metal Box Limited | Method and apparatus for electrolytic treatment of containers |
US4400251A (en) * | 1981-06-05 | 1983-08-23 | Aluminum Company Of America | Method and apparatus for simultaneously electrocoating the interior and exterior of a metal container |
EP0113237B1 (fr) * | 1982-12-22 | 1987-11-25 | Seiko Instruments Inc. | Procédé de fabrication d'un filtre polychrome et d'un dispositif d'affichage polychrome |
DE3325068A1 (de) * | 1983-07-12 | 1985-01-24 | Herberts Gmbh, 5600 Wuppertal | Verfahren zum beschichten einseitig offener hohlkoerper |
-
1984
- 1984-07-11 DE DE19843425435 patent/DE3425435A1/de active Granted
-
1985
- 1985-06-25 EP EP85107862A patent/EP0167923B1/fr not_active Expired
- 1985-06-25 DE DE8585107862T patent/DE3568261D1/de not_active Expired
- 1985-06-25 AT AT85107862T patent/ATE40802T1/de not_active IP Right Cessation
- 1985-06-28 CA CA000485992A patent/CA1270792A/fr not_active Expired - Fee Related
- 1985-07-09 GR GR851698A patent/GR851698B/el unknown
- 1985-07-09 DD DD85278413A patent/DD235426A5/de not_active IP Right Cessation
- 1985-07-09 US US06/753,317 patent/US4693801A/en not_active Expired - Lifetime
- 1985-07-10 DK DK315185A patent/DK165393C/da not_active IP Right Cessation
- 1985-07-11 ES ES545074A patent/ES8607064A1/es not_active Expired
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1947983A1 (de) * | 1969-03-03 | 1970-09-24 | Continental Can Co | Verfahren zum Behandeln eines Metallgegenstandes,der eine Oberflaechenbeschichtung aufweist |
DE2024106A1 (de) * | 1969-06-02 | 1970-12-10 | Continental Can Company Inc., New York, N.Y. (V.St.A.) | Vorrichtung zum elektrischen Auftragen einer Beschichtung auf Dosenrümpfe |
US4139656A (en) * | 1975-07-23 | 1979-02-13 | Metal Box Limited | Printing and coating method |
GB1558464A (en) * | 1975-07-29 | 1980-01-03 | Metal Box Co Ltd | Method and apparatus for providing flame cured coatings |
DE2726732A1 (de) * | 1977-06-14 | 1979-01-04 | Vogelsang K Gmbh | Verfahren zum doppelten lackieren von werkstuecken und lackieranlage zur durchfuehrung des verfahrens |
EP0033140A1 (fr) * | 1980-01-29 | 1981-08-05 | Hoechst Aktiengesellschaft | Procédé pour la préparation d'un revêtement de surface avec un matériau durcissable à plusieurs composants |
DE3314776A1 (de) * | 1983-04-23 | 1984-10-25 | Herberts Gmbh, 5600 Wuppertal | Verfahren zur herstellung mehrfarbiger dekorativer beschichtungen |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5858098A (en) * | 1997-01-10 | 1999-01-12 | Eagle-Picher Industries, Inc. | Immersion can coating apparatus and method |
Also Published As
Publication number | Publication date |
---|---|
DD235426A5 (de) | 1986-05-07 |
DK315185D0 (da) | 1985-07-10 |
DE3425435C2 (fr) | 1987-05-21 |
GR851698B (fr) | 1985-11-26 |
EP0167923A3 (en) | 1986-09-03 |
ES545074A0 (es) | 1986-06-01 |
DE3568261D1 (en) | 1989-03-23 |
DK165393C (da) | 1993-04-13 |
DK165393B (da) | 1992-11-23 |
US4693801A (en) | 1987-09-15 |
ATE40802T1 (de) | 1989-03-15 |
EP0167923B1 (fr) | 1989-02-15 |
CA1270792A (fr) | 1990-06-26 |
DK315185A (da) | 1986-01-12 |
DE3425435A1 (de) | 1986-01-23 |
ES8607064A1 (es) | 1986-06-01 |
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