Heat treating articles
US4147921A · kind A · utility
51Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1977 |
| Grant date | Apr 3, 1979 |
| Priority date | — |
| Expiry date | Sep 9, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2007/0001
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An electrically heatable article containing a layer of wax and adapted to conform to the shape of a body surface, when the wax is melted, for thereafter treating the body surface with the heat of fusion of the wax. In an article, such as a head treatment cap, the wax is contained in a layer of modules arranged near the scalp side of the cap, a resistance heating element is provided for initially heating the wax to its melting point, and insulation is provided for preventing heat loss through the outside of the cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.