Heated personal care appliances
US4499355A · kind A · utility
27Cited by
9References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 16, 1984 |
| Grant date | Feb 12, 1985 |
| Priority date | — |
| Expiry date | Mar 16, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D4/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is disclosed induction heated personal care appliances such as hair rollers, curling irons and massagers. The appliance is generally cylindrical and made of plastic. It has either a high permeability cylinder attached tightly on its inner surface, or has the high permeability material as a particulate filler in the plastic. The induction heater is a non-conducting plastic cylindrical well with from 20 to 60 turns of an insulated wire coiled around its outer perimeter. The coil is powered by an oscillator and produces about 1 to 100 kHz.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.