Smoking article wrapper and method for making same
US5450863A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1993 |
| Grant date | Sep 19, 1995 |
| Priority date | — |
| Expiry date | Jun 9, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article wrapper comprising a base web material having a first burn rate and one or more regions having a second burn rate is provided. The regions having a second burn rate are comprised of a composite layer structure of: said base web material, a layer is particulate material, and an adhesive layer which adheres to said base web material and to said layer of particular material. The particulate material is subsequently applied to the adhesive layer. An apparatus and method for applying the particulate material onto the base web is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.