Patent · US Expired

Method and apparatus for applying additive to a moving, spread-out filter material web

US7261681B2 · kind B2 · utility

3Cited by

18References

18Claims

0Family size

Assignee

HAUNI MASCHINENBAU GMBH · DE

Inventors

Jürgen Pehmöller · Lauenburg/Elbe, DE
Stephan Wolff · Glinde, DE
Irene Maurer · Hamburg, DE

Key dates

Filing date	Aug 15, 2003
Grant date	Aug 28, 2007
Priority date	—
Expiry date	Nov 1, 2024

Classification

Technology area (CPC A)Human Necessities
CPC primaryA24D3/022
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A method and apparatus for supplying an additive to a moving web of filter material of the tobacco-processing industry are provided. An adjustable window defines an opening, and additive is applied through the window opening onto the web.

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