Automatic filter tip attaching machine
US6336896B1 · kind B1 · utility
23Cited by
6References
7Claims
0Family size
Inventors
Key dates
| Filing date | Nov 12, 1999 |
| Grant date | Jan 8, 2002 |
| Priority date | — |
| Expiry date | Nov 12, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/0225
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An automatic filter tip attaching machine includes a mechanical structure moved by a computer program to automatically attach three filter tip stages a, b, c to cigarettes, with a chemical powder filled in the filter tip b to absorb nicotine and tar completely from cigarette smoke.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.