Patent · US Active

Fiber filter production

US7588524B2 · kind B2 · utility

0Cited by

9References

28Claims

0Family size

Assignee

HAUNI MASCHINENBAU GMBH · DE

Inventors

Stephan Wolff · Glinde, DE
Thorsten Scherbarth · Geesthacht, DE
Soenke Horn · Geesthacht, DE
Irene Maurer · Hamburg, DE
Alexander Buhl · Robertsdorf, DE
Jann De Boer · Hamburg, DE

Key dates

Filing date	Apr 3, 2007
Grant date	Sep 15, 2009
Priority date	—
Expiry date	Apr 3, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA24D3/0208
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

Method and device for producing filter rods of the tobacco-processing industry. The method includes combining and mixing fibers of finite length of two different fiber types, and separating the combined and mixed fibers. The combining and mixing occurs directly before the separating.

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