Coating processes – Centrifugal force utilized
Patent
1993-06-18
1995-10-17
Bell, Janyce
Coating processes
Centrifugal force utilized
427299, 427307, 4273881, 4273884, 427435, 118 52, 118409, 118500, 148240, 148275, B05D 312, C23C 2200, B05C 1102, B05C 1302
Patent
active
054589177
ABSTRACT:
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.
REFERENCES:
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Patent Abstracts of Japan, vol. 005, No. 049 (C-049) 8 Apr. 1981 & JP-A-56 003 684 (Nippon Enbairo Kogyo KK) 14 Jan. 1981.
Fujimoto Kageki
Kojima Masahiro
Mikami Fujio
Motohashi Tsutomu
Yasuhara Kiyotada
Bell Janyce
Nippon Paint Co. Ltd.
Showa Aluminum Corporation
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