Powder metering system

Details Powder metering system Powder metering system

1976-08-23

1978-05-23

Tollberg, Stanley H.

Dispensing

Jarring and/or vibrating

Hand manipulable shaker type

222414, B67D 554

Patent

active

040906450

ABSTRACT:
A system for distributing powder which is stored in a hopper and delivered from the hopper to distributing nozzles. A metering construction is interposed between the hopper and the distributing nozzles, this construction comprising a roller which receives powder from the hopper. The roller carries powder at a controlled rate to a passage where the powder is exposed to a pressurized fluid such as air. The powder is moved with the fluid to the distributing nozzles. Separate inlets, preferably for the introduction of air at atmospheric pressure, communicate with the passage. The distributing nozzles are designed for the distribution of the powder evenly over wide sheets of paper, foil or plastic, and over the printed surfaces of a web of paper or plastic.

REFERENCES:
patent: 3190506 (1965-06-01), Selzler
patent: 3223288 (1965-12-01), Stern
patent: 3490654 (1970-01-01), Fischer
patent: 3616972 (1971-11-01), Christy
patent: 3995775 (1976-12-01), Birkmeier et al.
patent: 4013196 (1977-03-01), Hines

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