METHOD AND APPARATUS FOR MEASURING THE SIZE OF DROPS OF A VISCOUS MATERIAL DISPENSED FROM A DISPENSING SYSTEM
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United States of America Patent
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-
Jul 2, 2002
Grant Date -
Jul 11, 2002
app pub date -
Feb 2, 2000
filing date -
Oct 25, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for measuring and controlling the size of drops of viscous material dispensed from a dispensing system. A dispensing apparatus in accordance with embodiments of the present invention includes a housing, a dispenser that dispenses a quantity of the viscous material, a measuring apparatus having a bottom plate to receive the viscous material, a top plate that is positioned over the bottom plate after the viscous material has been dispensed, and a compressing apparatus that compresses the material between the top and bottom plates. The dispensing apparatus further includes a viewing system that views the compressed material to determine the quantity of material dispensed by the dispenser. In one embodiment, the dispensing apparatus includes a controller that controls the quantity of viscous material dispensed based on the quantity of material determined by the viewing system.
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