DRINKING STRAW Russian patent published in 2009 - IPC A47G21/18 

FIELD: personal demand items.

SUBSTANCE: invention is related to device for consumption of drinks, such as straw or tube for drinking, and may replace ordinary straws in the cases, when additional mixing, taste improvement and disinfection are desired by action of cavitation inside bacteria, which results in their destruction. Drinking straw comprises one or several hollow cylinders with single bellows and has two narrowings. Straw is made with one or several cavitation chambers for creation of cumulative microjets, which are produced in case of cavitation bubbles burst. Chamber is made by installation of throttling devices in the form of orifices or nozzles at the ends or walls of cylinder, and these devices are made by pressing of straw and/or creation of local thickenings of tube walls and/or insertion inside orifices or nozzles fixed with welding, adhesion or pressing. It may contain additional hollow cylinders with diametres that are equal to or larger than diametre of the main cylinder. Throttling device may be arranged in the form of orifice having internal holes without facet or having internal hole with conical or round faces.

EFFECT: improved taste of drink, its enrichment with free liquid ions good for human body, drink purification from harmful bacteria and viruses available in it, due to action of cavitation inside bacteria, production of hydrogen peroxide, reduced amount of saturated gases in drink.

8 cl, 19 dwg