Multi-segment component with intumescent coating
US12178235B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2019 |
| Grant date | Dec 31, 2024 |
| Priority date | — |
| Expiry date | Mar 5, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/22
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A multi-segment component for an aerosol-generating article is provided, the multi-segment component including: a combustible heat source; an aerosol-forming substrate downstream of the combustible heat source; and a wrapper circumscribing a rear portion of the combustible heat source and at least a front portion of the aerosol-forming substrate, a front portion of the combustible heat source extending beyond the wrapper so that the front portion of the combustible heat source is exposed during use; and an intumescent coating on all or part of the front portion of the combustible heat source, the intumescent coating being configured to form a heat insulating layer on the front portion of the combustible heat source in response to heating by the combustible heat source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.