Cold-hot storage box with inert gas insulating jacket
US5638896A · kind A · utility
31Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1995 |
| Grant date | Jun 17, 1997 |
| Priority date | — |
| Expiry date | Sep 20, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D23/062
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention relates to a cold-hot storage box which can be used as a constant temperature box, a refrigerator for household use, or a freezer, and to a manufacturing method therefor. The cold-hot box of the present invention being characterized by the provision of an insulating container comprising a space of a double walled container made from an inner container and an outer container, enclosing at least one gas having low thermal conductivity selected from the group consisting of xenon, krypton, and argon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.