December 7/New Delhi, India/Indian Patents News -- Germany-based Krones AG filed patent application for method and device for determining a foam density. The inventor is Piana Stefan.

Krones AG filed the patent application on May 25, 2010. The patent application number is 1211/DEL/2010 A. The international classification number is B29C41/26.

According to the controller general of Patents, Designs & Trade Marks, "Method and device for determining a foam density of foam in beverage containers utilizing the Tyndall effect. For this, a focused light bundle is emitted into the foam by means of a light source, where the light bundle is refracted in the foam and a scattered ray becomes visible on a surface of the foam. Via a measurement of the contour of such a light spot, one can draw conclusions on the foam density. For this, one or several lasers can be integrated into existing filling level measuring means which are coupled to the already existing measuring means."

From the December 8, 2010, Prepared Foods' Daily News
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