Patent ID: 7996107
Filing Date: 2011-08-09
Classification: B01J,C40B,G01G,G01N,Y10S,Y10T

Abstract:
1. A device, comprising: a movement apparatus; a displaceable tool holder, the tool holder being operatively coupled with respect to the movement apparatus so that the tool holder is displaceable along an x axis or a z axis, the z axis being perpendicular to the x axis; a tool in the form of a metering head that is secured to the tool holder, the tool being configured to carry a variable amount of a substance; and a displaceable balance that is configured to weigh variable amounts of the substance while being carried by the tool at a plurality of different locations, the displaceable balance being operatively coupled to the tool holder so that the displaceable balance moves with the tool holder and is available continuously for accurate measurement independently of the position of the tool holder.