Apparatus for manufacturing a cigarette filter tow
US4648858A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1985 |
| Grant date | Mar 10, 1987 |
| Priority date | — |
| Expiry date | Sep 30, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/0279
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An apparatus for manufacturing a filter rod having a hollow tube extending longitudinally through the filter rod. The apparatus includes a supply reel of hollow tubing, a supply of filter material web, and a garniture funnel into which the filter material web and hollow tubing are continuously, concurrently fed for wrapping the filter material web into a cylindrical configuration enclosing the hollow tube longitudinally therein. The apparatus also includes a plasticizer or adhesive applicator for coating the outside wall surface of the tube with a plasticizer or adhesive before it is fed into the garniture funnel, and a tube guide nozzle located at the inlet to the garniture funnel for positioning and guiding the hollow tube into the garniture funnel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.