Method and apparatus for filling a receptacle with a material
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United States of America Patent
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Feb 3, 1987
Issued Date -
N/A
app pub date -
Dec 30, 1985
filing date -
Jun 19, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A machine for applying sub-atmospheric pressure through a filter to pull material from a hopper laterally into a non-rotatable chamber at a presettable volume and after the chamber is filled blowing the material out of the chamber through the filter out of a discharge nozzle at the bottom of the chamber into a receptacle. In a preferred embodiment, the material is a pulverulent material which is fluent en masse and the material is aspirated into the measuring chamber by applying a sub-atmospheric pressure above a variably positionable head in the chamber which head has a filter in it through which the suction is drawn. After the chamber is filled, a super-atmospheric pressure is applied over the head to shoot the mass of particulate material out of the discharge nozzle, the particulate material having been held back by a discharge valve prior to the application of the super-atmospheric pressure.
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