Patent · US Expired

Method and device for producing a filter rod

US7300394B2 · kind B2 · utility

6Cited by

18References

19Claims

0Family size

Assignee

HAUNI MASCHINENBAU GMBH · DE

Inventors

Alexander Buhl · Robertsdorf, DE
Sonke Horn · Geesthacht, DE
Irene Maurer · Hamburg, DE
Jan Peisker · Schwarzenbek, DE
Thorsten Scherbarth · Geesthacht, DE
Stephan Wolff · Glinde, DE
Jann De Boer · Hamburg, DE

Key dates

Filing date	Aug 26, 2004
Grant date	Nov 27, 2007
Priority date	—
Expiry date	May 5, 2025

Classification

Technology area (CPC A)Human Necessities
CPC primaryA24D3/0237
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

Method and device for producing a filter rod. The method includes melting at least one first type of filter material, pressing the at least one first type of filter material through at least one nozzle, depositing the at least one first type of filter material on a conveying element, and shaping the filter rod on the conveying element. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

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