JPS5711454A - Sealing of gas into tube bulb - Google Patents
Sealing of gas into tube bulbInfo
- Publication number
- JPS5711454A JPS5711454A JP8382480A JP8382480A JPS5711454A JP S5711454 A JPS5711454 A JP S5711454A JP 8382480 A JP8382480 A JP 8382480A JP 8382480 A JP8382480 A JP 8382480A JP S5711454 A JPS5711454 A JP S5711454A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- sealing member
- variation
- sealing
- volume
- 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
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
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/395—Filling vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
PURPOSE:To prevent any variation of gas pressure in tube bulbs even if the volumes of gas sealing members may vary, by connecting a gas storage container with a greatly larger volume than that of gas sealing members of tube bulbs directly to the gas sealing members, by means of a switching valve. CONSTITUTION:The gas supply from a gas cylinder 11 to gas storage container 14 through a pressure setting valve 12 is discontinued by closing an upstream valve 13. Then, a downstream valve 15 is opened to connect the gas storage containr 14 directly to a gas sealing member 16, and the gas pressures in both devices are equalized before the gas is sealed in the sealing member 16. Where, the volume of the sealing member is greatly smaller than that of the gas storage container 14, and therefore the variation of the gas pressure is greatly reduced regardless of the variation of volume of the sealing member 16. Thus, regardless of the variation of volume of the sealing member 16 which is generated in the manufacturing process of the sealing member 16, the gas can be sealed without variation of gas pressure in the sealing member 16.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8382480A JPS5711454A (en) | 1980-06-20 | 1980-06-20 | Sealing of gas into tube bulb |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8382480A JPS5711454A (en) | 1980-06-20 | 1980-06-20 | Sealing of gas into tube bulb |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5711454A true JPS5711454A (en) | 1982-01-21 |
Family
ID=13813433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8382480A Pending JPS5711454A (en) | 1980-06-20 | 1980-06-20 | Sealing of gas into tube bulb |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5711454A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01115358A (en) * | 1987-10-30 | 1989-05-08 | Toru Ishiwatari | Preparation of casket having kamakura carving applied thereto |
-
1980
- 1980-06-20 JP JP8382480A patent/JPS5711454A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01115358A (en) * | 1987-10-30 | 1989-05-08 | Toru Ishiwatari | Preparation of casket having kamakura carving applied thereto |
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