JPS57209661A - Nozzle device in powder coating apparatus for tubular bulb - Google Patents

Nozzle device in powder coating apparatus for tubular bulb

Info

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
Application number
JP9486881A
Other languages
Japanese (ja)
Inventor
Shoji Origasa
Akinori Ozaki
Hitoshi Yamazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP9486881A priority Critical patent/JPS57209661A/en
Publication of JPS57209661A publication Critical patent/JPS57209661A/en
Pending legal-status Critical Current

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
JP9486881A 1981-06-19 1981-06-19 Nozzle device in powder coating apparatus for tubular bulb Pending JPS57209661A (en)

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)

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