Insulated chest and method
US5918478A · kind A · utility
85Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1997 |
| Grant date | Jul 6, 1999 |
| Priority date | — |
| Expiry date | Sep 29, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2400/36
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A lightweight, insulated chest and method are provided for transportation and storage of perishable and other items which require a temperature-controlled environment. The chest includes insulated side walls, bottom and a hinged cover which is pneumatically sealed to prevent tampering and for thermal security. The chest includes a fluid conduit within the cover for air evacuation and depressurization of the interior and also includes a conduit to provide a vacuum between the walls of the sides and bottom which contain a rigid polymeric foam insulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.