JPS5715339A - Gas filling method in exhauster for fluorescent lamp - Google Patents

Gas filling method in exhauster for fluorescent lamp

Info

Publication number
JPS5715339A
JPS5715339A JP8977780A JP8977780A JPS5715339A JP S5715339 A JPS5715339 A JP S5715339A JP 8977780 A JP8977780 A JP 8977780A JP 8977780 A JP8977780 A JP 8977780A JP S5715339 A JPS5715339 A JP S5715339A
Authority
JP
Japan
Prior art keywords
pressure
orifice
fluorescent lamp
exhauster
valve
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
JP8977780A
Other languages
Japanese (ja)
Inventor
Mitsuo Mizuguchi
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.)
NIPPON DENKI SYLVANIA KK
NEC Home Electronics Ltd
Original Assignee
NIPPON DENKI SYLVANIA KK
NEC Home Electronics Ltd
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 NIPPON DENKI SYLVANIA KK, NEC Home Electronics Ltd filed Critical NIPPON DENKI SYLVANIA KK
Priority to JP8977780A priority Critical patent/JPS5715339A/en
Publication of JPS5715339A publication Critical patent/JPS5715339A/en
Pending legal-status Critical Current

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

Abstract

PURPOSE:To eliminate the clean-up process by employing an orifice having the cross section of 0.01-0.2mm.<2> and saturating the secondary pressure of the orifice up to the level higher than the atmospheric pressure. CONSTITUTION:The inert gas is filled from an original pressure Po through an orifice 3, center valve 1 and a piping 4 into a fluorescent lamp 2. The orifice 3 has the cross-section of 0.01-0.2mm.<2> and the pressure PA from the orifice 3 to the fixed side 1a of the valve 1 is saturated to the original pressure Po. Since Pt=VA.Po/ (VB+Vo), VB+Vo= constant, the lamp filling pressure Pt is adjusted by varying one or both of the volume VA and the original pressure Po. The original pressure Po is set higher than the atmospheric pressure. Consequently even when the crack is produced in the lamp, the flow-in of the air can be prevented because the fixed side from the orifice and the valve is higher than the atmospheric pressure resulting in the elimination of the clean-process.
JP8977780A 1980-06-30 1980-06-30 Gas filling method in exhauster for fluorescent lamp Pending JPS5715339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8977780A JPS5715339A (en) 1980-06-30 1980-06-30 Gas filling method in exhauster for fluorescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8977780A JPS5715339A (en) 1980-06-30 1980-06-30 Gas filling method in exhauster for fluorescent lamp

Publications (1)

Publication Number Publication Date
JPS5715339A true JPS5715339A (en) 1982-01-26

Family

ID=13980101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8977780A Pending JPS5715339A (en) 1980-06-30 1980-06-30 Gas filling method in exhauster for fluorescent lamp

Country Status (1)

Country Link
JP (1) JPS5715339A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2544148A (en) * 2016-08-11 2017-05-10 Alpha-Cure Ltd Method of filling a gas discharge lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2544148A (en) * 2016-08-11 2017-05-10 Alpha-Cure Ltd Method of filling a gas discharge lamp
GB2544148B (en) * 2016-08-11 2017-11-29 Alpha-Cure Ltd Method of filling a gas discharge lamp

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