Bead feed unit and method
US11006662B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2016 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Feb 14, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G2201/0226
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A bead delivery disk, system and method of delivering flavor beads to a tobacco rod or tow including a bead source, a bead delivery disk in communication with the bead source, including a central disk portion having front and back sides and a first central thickness, an inner annular rim around the central disk portion, the inner annular rim having a second thickness less than said first thickness, a series of pockets spaced around the inner annular rim and multiple vacuum transmission apertures located on one side of the disk, each aperture communicating with at least one of the pockets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.