Patent · US Expired

Method and device for the separation of foreign bodies

US7448391B2 · kind B2 · utility

4Cited by

5References

16Claims

0Family size

Assignee

Hauni Primary GmbH · DE

Inventors

Peter Funke · Hanau, DE
Dietmar Zielke · Hamburg, DE
Harry Drewes · Hamburg, DE
Wolfgang Benz · Burscheid, DE

Key dates

Filing date	Mar 24, 2005
Grant date	Nov 11, 2008
Priority date	—
Expiry date	Apr 8, 2026

Classification

Technology area (CPC A)Human Necessities
CPC primaryA24C5/396
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

The invention relates to a method for the separation of foreign bodies and a device for the separation of foreign bodies from a tobacco stream. The method according to the invention is characterized in that the tobacco stream is directly conveyed into the area of the foreign-body detection device with compressed air and whereby foreign bodies in the tobacco stream are identified by means of the foreign-body detection device based on at least one characteristic and subsequently removed from the tobacco stream. The A device according to the invention is characterized in that a device (feeding device) feeding the tobacco to a foreign-body detection device and a foreign-body separation device are provided, whereby the tobacco feeding device for conveying the tobacco stream comprises a source of compressed air.

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