Cleaning and liquid contact with solids – Processes – Work handled in bulk or groups
Patent
1989-08-28
1991-03-26
Davis, Curtis R.
Cleaning and liquid contact with solids
Processes
Work handled in bulk or groups
134 254, 134 32, 134 34, 134 37, 134130, 134131, B08B 920, B08B 300
Patent
active
050026160
ABSTRACT:
A method and apparatus is provided for fluid treatment of articles, while the articles are being delivered along a path through a preferably substantially closed chamber. During treatment, the articles are conveyed by rotating disk-like members that establish their path, with the disks being mounted on shaft-like rods for movement therewith. The treatment can comprise spraying or flooding the articles with a liquid or a gas, or may comprise drawing of air or other gases from the vicinity of the articles, or even drawing of liquid from the vicinity of the articles, if desired. Whatever the fluid treatment, it is provided by means of individual nozzles that are mounted between disk-like members on the rods, and which are there adapted for movement with the rods.
In one embodiment, the nozzles may be mounted opposed each other, with openings for fluid generally opposed each other, above and below a generally horizontal path of travel such that articles pass between the nozzles. In instances in which the articles being treated are printed circuit boards, fluid may either be drawn through through-holes in printed circuit boards, or fluid may be applied to the boards, depending upon the direction of fluid flow.
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Chemcut Corporation
Davis Curtis R.
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