JPS57209661A - Nozzle device in powder coating apparatus for tubular bulb - Google Patents
Nozzle device in powder coating apparatus for tubular bulbInfo
- Publication number
- JPS57209661A JPS57209661A JP9486881A JP9486881A JPS57209661A JP S57209661 A JPS57209661 A JP S57209661A JP 9486881 A JP9486881 A JP 9486881A JP 9486881 A JP9486881 A JP 9486881A JP S57209661 A JPS57209661 A JP S57209661A
- Authority
- JP
- Japan
- Prior art keywords
- neck
- neck part
- powdery particles
- tubular bulb
- hollow cylindrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Abstract
PURPOSE: To prevent the coating of powdery particles to the inner surface of a neck part, by providing a short pipe having a hollow cylindrical part having a diameter smaller than that of the neck part of a tubular bulb and a flange part closely contacted with the end surface of a neck opening part in a gas-tight manner.
CONSTITUTION: In the titled apparatus for forming a powder layer by injecting charged powdery particles to electrostatically coat the same to the inner surface of a tubular bulb having a neck part 5 having one opened end such as an incadescent electric lamp or the like, a short pipe 4 having a hollow cylindrical part 6 and a flange part 9 is provided. That is, the hollow cylindrical part 6 through which a nozzle 3 injecting powdery particles is inserted and which has a diameter smaller than the inner diameter of the neck part 5 is inserted into the neck part 5 as well as the flange part 9 communicated with one end of the cylindrical part 6 and having a diameter larger than that of the opening part of the neck part 5 is closely contacted with the end surface 8 of the opening part of the neck part 5 in a gas-tight manner. As the result, the coating of powdery particles to the inner surface of the neck part is prevented and a wiping process in the neck part is eliminated as well as disuse of powdery particles is avoided.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9486881A JPS57209661A (en) | 1981-06-19 | 1981-06-19 | Nozzle device in powder coating apparatus for tubular bulb |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9486881A JPS57209661A (en) | 1981-06-19 | 1981-06-19 | Nozzle device in powder coating apparatus for tubular bulb |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57209661A true JPS57209661A (en) | 1982-12-23 |
Family
ID=14122020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9486881A Pending JPS57209661A (en) | 1981-06-19 | 1981-06-19 | Nozzle device in powder coating apparatus for tubular bulb |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57209661A (en) |
-
1981
- 1981-06-19 JP JP9486881A patent/JPS57209661A/en active Pending
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