Relating to cooling containers of beverages
US6151911A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1999 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Jan 22, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D31/007
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A beverage pack comprises a container (28), beverage (41) held in the container (28), and beverage cooling means (10) provided in, or in association with, the container (28) and comprising a phase-change medium (22) such as water adapted in use to change phase and thus extract heat from the beverage. Adsorption or absorption means (20) such as activated carbon, ammonium nitrate, and a polymer may be provided to adsorb or absorb the phase-change medium (22). The phase-change medium may be arranged to vaporize into a vaporization chamber (26) at sub-atmospheric pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.