Spray apparatus with self cleaning nozzle
US4555416A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1984 |
| Grant date | Nov 26, 1985 |
| Priority date | — |
| Expiry date | Aug 27, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C16/4407
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus and method are provided for spraying a fluid through a first nozzle (48), and more particularly to spraying the vapor of a metallic compound onto glass containers (132), and for cleaning the first nozzle (48) without removing the first nozzle (48) and even without stopping the flow of the fluid being sprayed. The apparatus and method include providing a chamber (76) that is juxtaposed to the inlet (62) of the first nozzle (48), providing a second nozzle (52) whose outlet (68) is disposed inside the chamber (76), and spraying a fluid, preferably air, through the second nozzle (52), into the inlet (62) of the first nozzle (48), and through the first nozzle (48).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.