Gas torch with visual observation device
US5071105A · kind A · utility
27Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1990 |
| Grant date | Dec 10, 1991 |
| Priority date | — |
| Expiry date | Sep 12, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K7/10
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The torch fitted with a nozzle (6) comprises a visual observation optical device having one end part coaxially inside the central gas feed pipe (7) and the other end extending outside the body (1) at the opposite end to the nozzle; the optical device being situated a specific distance from the main orifice (17) of the nozzle so that the bounds of its angle of view pass through the edges of said main orifice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.