American Cyanamid Company

William F Boulay

Bart J Zoltan

Donald R Miller

An apparatus for filling finely powdered material into a long and narrow cavity or hole having a relatively small opening is provided. The apparatus features a discharge port for a particulate laden gas stream directed toward the opening of the hole to be filled but spaced apart from the opening of the cavity to be filled by a gap, so that in operation the powdered material continues across the gap and into the cavity due to its inertia while the gas escapes through the gap.

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West Haverstraw, NY, United States of America

William F Boulay