Protection from excessive heating of an object during curing...

B - Operations – Transporting – 05 – D

Patent

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Details

B05D 3/02 (2006.01) B05D 3/00 (2006.01) B05D 5/00 (2006.01) B05D 1/32 (2006.01) B05D 3/04 (2006.01)

Patent

CA 2312724

The present invention protects from excessive heating at least one component on an object during curing of paint at a localized area on the object by exposure to a heat source. The present invention circulates air including cold air near the at least one component to be protected. An air pocket (310) is formed adjacent the at least one component to be protected. This air pocket has an inlet (402) and an outlet (404). A cold air source (406) is coupled to the inlet (402) via a tubing (204) that directs cold air from the cold air source (406) into the air pocket (310). Heated air within the air pocket (310) flows out through the outlet (404) of the air pocket (310) such that air circulates through the air pocket (310). In this manner, the temperature of the at least one component to be protected is maintained below a predetermined temperature when the localized area of the object is exposed to the heat source for curing of the paint at the localized area.

L'objet de cette invention est de protéger au moins un composant d'un objet contre un échauffement excessif, lors du séchage de la peinture en un endroit donné par exposition à une source de chaleur. Dans le cadre du procédé selon l'invention, on fait circuler de l'air, en l'occurrence de l'air froid, près du composant, un à tout le mois, à protéger. On installe, à cet effet, une poche à air (310), possédant un orifice d'entrée (402) et un orifice de sortie (404), près de ce composant à protéger. On raccorde une source d'air froid (406) à l'orifice d'entrée (402) au moyen d'un tuyau (204) qui amène l'air froid provenant de la source précitée (406) dans la poche à air (310). L'air réchauffé se trouvant dans cette poche (310) s'échappe par l'orifice de sortie (404) de la poche (310), après avoir circulé à l'intérieur de la poche (310). La température du composant à protéger est, de la sorte, maintenue inférieure à une température prédéterminée lorsque l'endroit donné susmentionné de l'objet est soumis à l'action d'une chaleur destinée à faire sécher la peinture.

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