Hair removing device comprising a heating member
US6689143B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2002 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Feb 19, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D26/0061
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention relates to a hair removing device (1) comprising a hair removing member (3) for removing hairs from human skin and an auxiliary member for generating a change of the temperature of the skin present near the hair removing member. According to the invention, the auxiliary member comprises a heating member (13) for generating a rise in temperature of the skin present near the hair removing member. Said temperature rise has a pain masking effect, which can be attributed to the fact that the heat receptors present in the heated skin generate heat signals in the nervous system which block the pain signals generated by the adjacent pain receptors when the hairs are being removed. Thus, the user experiences less pain during the removal of the hairs.In a preferred embodiment, the heating member (13) comprises a skin contacting element (19) which is in thermal contact with a compound having a eutectic composition contained in a chamber (17) of a holder (15). Examples of such a compound are CH3COONa·3H2O and NaOH·H2O.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.