METHOD OF ITEMS CLEANING Russian patent published in 2003 - IPC

FIELD: cleaning of items with intricate shape surfaces. SUBSTANCE: invention presents a method of cleaning of items with intricate shape surfaces. The method provides, that an item is flooded with a washing solution in which a gas is fed. Then they arrange circulation of the solution, rinse the item with a liquid, make it drying by gas. At that treatment of the item with the cleaning solution and its rinsing are conducted in continuous streams of liquid - gas mixtures, in which gas is distributed in the form of bubbles by the way it is bubble, and in the process of treatment they change concentration of gas and sizes of its bubbles, as well as concentration of bubbled of the gas in different fractions. In all events they use only the treated gas. EFFECT: increased quality of cleaning and its speed, cleaning by toxic solutions is excluded. 4 cl, 1 tbl