Method of dispensing pulverulent contents and apparatus for...

Details Method of dispensing pulverulent contents and apparatus for... Method of dispensing pulverulent contents and apparatus for...

2007-10-23

2007-10-23

Shaver, Kevin (Department: 3754)

Dispensing

Processes of dispensing

C222S636000, C222S195000, C222S368000, C222S363000

Reexamination Certificate

active

10866068

ABSTRACT:
An apparatus for dispensing respectively predetermined quantities of pulverulent contents has a rotatably drivable metering roller containing at least one metering chamber and a material store which stores the pulverulent contents. The metering roller contains at least one lateral line, which is not line-connected to the metering chamber and of which the at least two line ends terminate on the surface of the metering roller. A gas line is guided into the housing and passes out of the housing again in a concave surface region. Gas is introduced into the material store via the lateral line, in dependence on the respective rotary position of the metering roller, through said gas line. Depending upon the rotary positions of the metering roller, the gas line, which fluidizes the contents present in the material store, is closed or opened by the metering roller.

REFERENCES:
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patent: 3625034 (1987-07-01), None
patent: WO-0156726 (2001-08-01), None

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