GB1193885A - A Method of Manufacturing a Tube of a Discharge Lamp - Google Patents
A Method of Manufacturing a Tube of a Discharge LampInfo
- Publication number
- GB1193885A GB1193885A GB765068A GB765068A GB1193885A GB 1193885 A GB1193885 A GB 1193885A GB 765068 A GB765068 A GB 765068A GB 765068 A GB765068 A GB 765068A GB 1193885 A GB1193885 A GB 1193885A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- supports
- heated
- hand wheel
- coated
- 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.)
- Expired
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
1,193,885. Coated discharge tubes. TOKYO SHIBAURA ELECTRIC CO. Ltd. and TORAY INDUSTRIES Inc. 16 February, 1968, No. 7650/68. Heading B2K. [Also in Division H1] The outer surface of a quartz glass tube 1 of a discharge lamp (see Division H1) having an internal coating at least mainly consisting of alumina and/or titanium dioxide is heated to a temperature in the range of 1500 to 1650‹C. to form a transparent metal oxide film on the inner surface of the tube. The coating may be produced by ball milling 100 g. of alumina powder, 11. of butyl acetate and 11 g. of nitrocellulose to form a suspension solution which is coated on the inner surface of the tube to a thickness of 5 to 50Á, followed by drying. The tube is then clamped in supports 3a, 3b and heated by an oxyhydrogen flame 16. Pulleys 5 and 14 are driven through a stepless speed change gear 6 to rotate the tube and drive the burner member 10 along a rail 11. An assembly 13 connecting burner member 10 to a threaded rod 12 can be disconnected to enable the member 10 to be moved by a hand wheel 17. The spacing between the supports 3a and 3b can be varied by a hand wheel 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB765068A GB1193885A (en) | 1968-02-16 | 1968-02-16 | A Method of Manufacturing a Tube of a Discharge Lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB765068A GB1193885A (en) | 1968-02-16 | 1968-02-16 | A Method of Manufacturing a Tube of a Discharge Lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1193885A true GB1193885A (en) | 1970-06-03 |
Family
ID=9837174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB765068A Expired GB1193885A (en) | 1968-02-16 | 1968-02-16 | A Method of Manufacturing a Tube of a Discharge Lamp |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1193885A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2543455A1 (en) * | 1983-03-30 | 1984-10-05 | Air Liquide | Method for opalising the internal surface of objects which are long compared to their cross-section |
| GB2219431A (en) * | 1988-06-03 | 1989-12-06 | Gen Electric | Electrodeless discharge lamp |
| US5090931A (en) * | 1989-11-29 | 1992-02-25 | Toshiba Lighting & Technology Corporation | Method of producing a lamp having a coated layer and the lamp produced thereby |
| CN102765131A (en) * | 2012-08-14 | 2012-11-07 | 海宁新光阳光电有限公司 | Device and method for pulling core rod in preparation process of aluminum oxide ceramic pipe |
-
1968
- 1968-02-16 GB GB765068A patent/GB1193885A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2543455A1 (en) * | 1983-03-30 | 1984-10-05 | Air Liquide | Method for opalising the internal surface of objects which are long compared to their cross-section |
| GB2219431A (en) * | 1988-06-03 | 1989-12-06 | Gen Electric | Electrodeless discharge lamp |
| GB2219431B (en) * | 1988-06-03 | 1992-07-22 | Gen Electric | High efficacy electrodeless high intensity discharge lamp exhibiting easy starting |
| US5090931A (en) * | 1989-11-29 | 1992-02-25 | Toshiba Lighting & Technology Corporation | Method of producing a lamp having a coated layer and the lamp produced thereby |
| CN102765131A (en) * | 2012-08-14 | 2012-11-07 | 海宁新光阳光电有限公司 | Device and method for pulling core rod in preparation process of aluminum oxide ceramic pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |