Inclusion candle
US6290489A · kind A · utility
43Cited by
14References
15Claims
0Family size
Inventor
Key dates
| Filing date | Jun 26, 2000 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Jun 26, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11C5/006
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An inclusion candle includes an inner core formed of wax and a wick, an outer annulus formed of wax and an inflammable inclusion and a mesh sleeve disposed Intermediate the core and the annulus. The sleeve defines interstices therethrough, the wax of the core and the wax of the annulus binding together through the interstices of the sleeve. The sleeve is formed of a material having a coefficient of thermal expansion compatible with that of the annulus wax to preclude cracking of said annulus during candle formation and candle burning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.