Method for manufacturing a heat generating apparatus
US6453648B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1999 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Jul 6, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2007/0249
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a method for manufacturing a heating device which is capable of generating heat when exposed to oxygen. The heat generating element comprises activated carbon and iron is used to generate an exothermic oxidation reaction within the heating device. Introducing an oxidation inhibitor during the manufacturing process allows the manufacturing of the device to take place in ambient atmospheric conditions. The present invention also includes a loading facilitator which allows the heat generating medium to be more easily and efficiently loaded into the heat generating device. When appropriate, the oxidation inhibitor and loading facilitator can be removed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.