Patent · US Active

Method of forming a cigarette filter rod member

US8079369B2 · kind B2 · utility

11Cited by

103References

14Claims

0Family size

Assignee

R.J. REYNOLDS TOBACCO COMPANY · US

Inventors

Norman Philip Andresen · Lewisville, US
Michael Francis Dube · Winston-Salem, US
Barbara Walker Arzonico · Winston-Salem, US

Key dates

Filing date	May 21, 2008
Grant date	Dec 20, 2011
Priority date	—
Expiry date	Feb 26, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA24D3/16
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

An apparatus and associated method for forming a filter rod member of a smoking article, such as a cigarette, is provided. The apparatus comprises a rod-forming unit configured to form a continuous supply of a filter material into a continuous cylindrical rod member. An insertion unit is configured to insert an adsorbent material carried by a carrier material into the rod member. The method comprises forming a continuous supply of a filter material into a continuous cylindrical rod member, and inserting an adsorbent material carried by a carrier material into the rod member such that the adsorbent material is disposed within the rod member.

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