Hair curling system
US4624271A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 17, 1984 |
| Grant date | Nov 25, 1986 |
| Priority date | — |
| Expiry date | May 17, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D4/16
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A hair curling roller system having a plurality of post members having substantially the same outer diameter for heating the rollers and a plurality of rollers having inner cavities for mounting the rollers on the posts with such inner cavities having substantially the same inner diameters. There are at least two groups of the rollers, with the outer diameter of the rollers of one group being larger than the outer diameter of the rollers of the other group. Each of the curling rollers includes an interior core member having an opening in one lateral end of the core member and longitudinally extending within the core member; this core member is formed of a material highly conductive of heat. An elongated metal sleeve is positioned with the opening of the core member of each roller and is attached to the inside of such core member. In each of the larger rollers the interior core has a central hub and a plurality of heat radiating fins extending out from the hub for facilitating the transfer of heat to the outer surface of the roller. A hollow sleeve member with a flocked outer surface is arranged over the core member. First and second end rings are attached to the core member at the …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.