Handheld heating tool
US7570875B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 2006 |
| Grant date | Aug 4, 2009 |
| Priority date | — |
| Expiry date | May 23, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B21/001
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A handheld heating tool has a pair of elliptical reflectors with the major axes of the ellipses being at an acute angle to each other and intersecting in a focal region including one focus of each ellipse. A pair of incandescent bulbs are mounted so that each bulb filament is at the other focus of one of the elliptical reflectors. Thus, radiant energy from both bulbs is concentrated at the focal region. This focal region lies in a channel at the front of the housing of the tool. An object to be heated lying in the channel receives radiant energy from the lamps and reflectors. A blower directs cooling air toward the reflectors and along different paths within the housing to exit through the channel. One such path is between the outside of the reflectors and adjacent reflector shields.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.