| 摘要 |
feeding of infants. SUBSTANCE: vial has open upper part and is made for filling with liquid, prevents formation of vacuum at overturning at the moment of use. Vessel is made for holding of part of liquid. The air valve is made for installation in the vessel containing a collector tube, having the near first end that is adjacent to the vial upper part and the open second end sufficiently projecting downwards into the vial. The air valve has an air intake passing from without the vial to the point in the collector tube, valve tube whose distant end has a hole. The valve tube projects downwards in the upper part of the collector tube, and the air intake passes from without the vial through the valve tube into the air valve. EFFECT: prevented formation of vacuum inside the vial that makes the suction of liquid from the vial difficult. 21 cl, 22 dwg
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