FR2281793A1 - Electrostatic powder application on fluorescent bowl - by ejector tube with dispersion screens at each end - Google Patents
Electrostatic powder application on fluorescent bowl - by ejector tube with dispersion screens at each endInfo
- Publication number
- FR2281793A1 FR2281793A1 FR7428201A FR7428201A FR2281793A1 FR 2281793 A1 FR2281793 A1 FR 2281793A1 FR 7428201 A FR7428201 A FR 7428201A FR 7428201 A FR7428201 A FR 7428201A FR 2281793 A1 FR2281793 A1 FR 2281793A1
- Authority
- FR
- France
- Prior art keywords
- bowl
- fluorescent
- ejector tube
- powder
- electrostatic powder
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/12—Plant for applying liquids or other fluent materials to objects specially adapted for coating the interior of hollow bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
- H01J9/22—Applying luminescent coatings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
The process enables a layer of powder to be deposited on a desired area of the bowl and to a desired thickness, so as to regulate the light radiated to the outside. An ejector tube is mounted along the lengthwise internal axis of the bowl, and connected at one end to a supply of carrier gas for the powder to be distributed, while the other end opens into the bowl which is rotated round its axis to distribute the power onto its heated inside wall. There are dispersion screens at each end of the tube, and the discharge end of it is equipped with a component imparting a predetermined shape to the emerging powder jet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7428201A FR2281793A1 (en) | 1974-08-14 | 1974-08-14 | Electrostatic powder application on fluorescent bowl - by ejector tube with dispersion screens at each end |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7428201A FR2281793A1 (en) | 1974-08-14 | 1974-08-14 | Electrostatic powder application on fluorescent bowl - by ejector tube with dispersion screens at each end |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2281793A1 true FR2281793A1 (en) | 1976-03-12 |
FR2281793B3 FR2281793B3 (en) | 1977-06-10 |
Family
ID=9142401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7428201A Granted FR2281793A1 (en) | 1974-08-14 | 1974-08-14 | Electrostatic powder application on fluorescent bowl - by ejector tube with dispersion screens at each end |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2281793A1 (en) |
-
1974
- 1974-08-14 FR FR7428201A patent/FR2281793A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2281793B3 (en) | 1977-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |