Method for making a self-refrigerating drink package and equipment therefor
US6854280B2 · kind B2 · utility
7Cited by
17References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 13, 2001 |
| Grant date | Feb 15, 2005 |
| Priority date | — |
| Expiry date | Jun 13, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2331/805
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention relates to a method for manufacturing a self-refrigerating drinks package, characterised in that it includes a step consisting in assembling refrigeration means inside the package, said refrigeration means being composed of a cavity containing a refrigerating liquid able to evaporate under the effect of a negative pressure, means of connecting said cavity to external pumping means by adsorption being provided in the package, partial pressure of the non-adsorbable gases in the internal cavity being maintained below 3 millibar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.