C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/73 (2006.01) B05C 3/10 (2006.01) B65G 49/04 (2006.01) C23C 22/00 (2006.01) F26B 5/08 (2006.01)
Patent
CA 2098873
ABSTRACT OF THE DISCLOSURE In a continuous surface treating method and apparatus with an inline centrifugal separator, an object to be treated is contained in a basket and hung from a hanger of an overhead type and a series of surface treatments of the object is carried out by using a continuous conveyer of a power and free type. By using a hanger attach-detach conveyer, the object is moved from a main conveyer to a sub- conveyer and an excessive treating liquid attached to the object in a previous process is separated by using the centrifugal separator. Then, the object is returned from the sub-conveyer to the main conveyer to perform a next process. The surface treating apparatus includes the rotatable basket for containing the object. When the surface treatment of the object such as a heat exchanger or the like is continuously executed in the conveyer line, a bringing of the excessive treating liquid attached to the object in the previous process into a next process can be prevented and the concentration of the treating liquid in a bath can be maintained to a constant value. As a result, the obtained film thickness becomes uniform and the quality of the object can be improved.
Fujimoto Kageki
Kojima Masahiro
Mikami Fujio
Motohashi Tsutomu
Yasuhara Kiyotada
Gowling Lafleur Henderson Llp
Nippon Paint Co. Ltd.
Showa Aluminum Corporation
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