Methods for cleaning articles with upward flowing liquids

Details Methods for cleaning articles with upward flowing liquids Methods for cleaning articles with upward flowing liquids

1977-05-27

1978-12-26

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 10, 134 29, 134 30, B08B 312

Patent

active

041314832

ABSTRACT:
Synthetic resin articles to be printed, plated or coated are cleaned prior thereto by carrying the articles into a cleaning zone where they are contacted with an aqueous detergent solution which is allowed to flow upward and to which an ultrasonic wave is applied, carrying the articles from the cleaning zone to a rinsing zone where they are contacted with warm water which is allowed to flow upward, carrying the articles from the rinsing zone to a dipping zone to contact them with more fresh warm water which is allowed to flow upward, and then pulling the articles up slowly from the dipping zone to drain off the water attached to the articles.

REFERENCES:
patent: 2647846 (1953-08-01), Bagno
patent: 2961354 (1960-11-01), Cleveland
patent: 3050422 (1962-08-01), Zak
patent: 3661660 (1972-05-01), Wessells et al.

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