B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 12/14 (2006.01) B05B 15/12 (2006.01) B05D 1/02 (2006.01) B05D 5/06 (2006.01)
Patent
CA 2166620
The invention relates to a process for spray-painting with aqueous paints, in which paints with different colors are processed, recovered paint is recycled, if desired after admixing with newly supplied paint (fresh paint), to the coating operation, and (a) the substrates are selected such that some of the substrates can painted using a mixture of the paints with different colors ("mixed paint"), and (b) the substrates are selected such that the propor- tion of the paints with different colors in the overall amount of paint processed is from 10 to 90% by weight, and (c) the substrates are selected such that the propor- tion in which the paints with different colors are processed corresponds to the proportional content of the paints with different colors in the mixed paint, and/or (d) care is taken, by selecting the color of the fresh paint which is admixed, to ensure that the recovered paint has the same color as the mixed paint.
Selon un procédé de peinture au pistolet avec des vernis aqueux, on utilise des vernis ayant des nuances diverses de couleurs et on réutilise le vernis récupéré, le cas échéant après adjonction d'un nouvel apport de vernis (vernis frais). Les substrats sont sélectionnés de sorte que (a) une partie des substrats puisse être peinte avec un mélange de vernis ayant des nuances diverses de couleurs ("mélange de vernis"); (b) la proportion des vernis ayant des nuances diverses de couleurs dans la quantité totale de vernis utilisée est comprise entre 10 et 90 % en poids; (c) le rapport en volume des vernis utilisés ayant des nuances diverses de couleurs correspond au rapport en volume des vernis ayant des nuances diverses de couleurs contenus dans le mélange de vernis et/ou (d) on veille à ce que le vernis récupéré ait la même nuance de couleur que le mélange de vernis lorsque l'on sélectionne la nuance de couleur du vernis frais ajouté au vernis récupéré.
Chmielewski Dietmar
Gross Lutz-Werner
Wegner Egon
Basf Lacke + Farben Aktiengesellschaft
Fetherstonhaugh & Co.
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