Patent · US Active

Rotary press for quality surveillance of powdered pressed material

US8568630B2 · kind B2 · utility

4Cited by

1References

8Claims

0Family size

Assignee

FETTE GMBH · DE

Inventors

Rainer Herrmann · Hamburg, DE
Udo Schlemm · Hamburg, DE
Ingo Schmidt · Schwarzenbek, DE
Ulrich Arndt · Lauenburg/Elbe, DE

Key dates

Filing date	Sep 24, 2009
Grant date	Oct 29, 2013
Priority date	—
Expiry date	Nov 20, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG01N22/04
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method for quality surveillance of powdered press material for a rotary press, in which the press material is fed from a reservoir via a preferably vertical feed channel to a filling device, which continuously fills dies of a rotor with press material wherein to the feed channel and/or the filling device is assigned a microwave resonator with an analysis unit, which measures the moisture and/or the density and/or the size of the granules of the press material, and at least one press variable of the microwave resonator is used for changing a control variable of the rotary press.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.