Nozzle end-piece for hot guniting
US4562961A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1983 |
| Grant date | Jan 7, 1986 |
| Priority date | — |
| Expiry date | Sep 12, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D2001/1663
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
This guniting nozzle end piece for projecting a refractory powder through a flame, the nozzle being connected to a combustive gas, fuel gas and refractory powder feed, one of the gases being the gas carrying the powder in the end-piece, is characterized in that, generally cylindrical in shape, it comprises a plurality of individual tubes (9) disposed in at least one ring (9a,9b) of tubes coaxial with the end-piece (1), opening on the one side at the level of the nose (11) of the end-piece and connected on the other side to the refractory powder and carrier gas feed (20), the plurality of tubes (9) being disposed between two coaxial substantially cylindrical walls respectively internal (12) and external (13), the gaps (24) between the tubes and between the tubes and the cylindrical walls forming a passage space opening on the one side at the level of the nose (11) of the end-piece and further connected to the non carrier gas feed (18).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.