Apparatus for enhancing a filter component of a smoking article, and associated method
US8308623B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2008 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Dec 9, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/061
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An apparatus and method for manufacturing a rod member for a cigarette filter element is provided. Each rod member defines a longitudinal axis and includes a generally longitudinally-extending filter material. A rod-forming unit is configured to form a continuous supply of a filter material into a continuous cylindrical rod member. An object insertion unit is configured to introduce a plurality of objects into engagement with the rod member along the longitudinal axis. A dispensing device is configured to selectively dispense a liquid substance into the filter material, substantially commensurately with the introduction of the plurality of objects into engagement with the rod member, wherein the liquid substance is configured to affect an attribute associated with the objects. A rod-dividing unit is configured to divide the rod member into a plurality of rod portions such that each rod portion includes at least one object and a portion of the liquid substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.