Aerosol generating articles
US11839234B2 · kind B2 · utility
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2References
8Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 25, 2019 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Sep 27, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24F42/80
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A filter part (1, 1′) for use in an aerosol generating article and a method of manufacturing the filter part (1, 1′). The filter part (1, 1′) includes an aerosol permeable core (2) within a sleeve (3) formed integrally therearound. The core (2) is shorter than the integrally formed sleeve (3). The method includes conveying a plurality of aerosol permeable cores (2) along a conveying path at a first speed (S1) and forming a sleeve (3) around each core (2) at a second speed (S2). The second speed (S2) is greater than the first speed (S1) to generate a space between consecutive cores (2) within the sleeve (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.