JPS55157840A - Formation of inner conductive membrane for cathode-ray tube - Google Patents

Formation of inner conductive membrane for cathode-ray tube

Info

Publication number
JPS55157840A
JPS55157840A JP6531579A JP6531579A JPS55157840A JP S55157840 A JPS55157840 A JP S55157840A JP 6531579 A JP6531579 A JP 6531579A JP 6531579 A JP6531579 A JP 6531579A JP S55157840 A JPS55157840 A JP S55157840A
Authority
JP
Japan
Prior art keywords
case
conductor
pipe
liquid
funnel
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
Application number
JP6531579A
Other languages
Japanese (ja)
Other versions
JPS6050018B2 (en
Inventor
Tsutomu Sezaki
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.)
NEC Home Electronics Ltd
NEC Corp
Original Assignee
NEC Home Electronics Ltd
Nippon Electric Co 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 NEC Home Electronics Ltd, Nippon Electric Co Ltd filed Critical NEC Home Electronics Ltd
Priority to JP6531579A priority Critical patent/JPS6050018B2/en
Publication of JPS55157840A publication Critical patent/JPS55157840A/en
Publication of JPS6050018B2 publication Critical patent/JPS6050018B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/88—Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

PURPOSE:To prevent the adhesion of graphite onto the undesired part in the funnel part and neck part by allowing the packing which has a cut part on the tapered surface to be closely contacted with the funnel part and injecting liquid conductor to a desired height. CONSTITUTION:A graphite coating device is constituted of the case 12 in which the upper surface for storing liquid conductor 10 is open and the pipe 13 for feeding and discharge the conductor 10 from the case 12. A packing 11 is closely fixed onto the case 12, and over them, the opened bottom surface 4b of the funnel part is inserted, and the inner surface is closely contacted and fixed. At this time, the neck part 5 is kept open. Liquid conductor 11 is fed into the case 12 from the pipe 13 and then pressurized, and then the funnel part 4 is filled with the liquid from the case 12. When the liquid level reaches a prescribed position in the neck part, injection of the conductor 10 is brought into stop, and discharge from the pipe 13 is performed. Thus, the adhesion of graphite onto the undesired part of the neck part can be prevented, and automatic operation of conductive membrane formation process can be obtained easily.
JP6531579A 1979-05-25 1979-05-25 Method for forming a conductive film on the inner surface of a cathode ray tube Expired JPS6050018B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6531579A JPS6050018B2 (en) 1979-05-25 1979-05-25 Method for forming a conductive film on the inner surface of a cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6531579A JPS6050018B2 (en) 1979-05-25 1979-05-25 Method for forming a conductive film on the inner surface of a cathode ray tube

Publications (2)

Publication Number Publication Date
JPS55157840A true JPS55157840A (en) 1980-12-08
JPS6050018B2 JPS6050018B2 (en) 1985-11-06

Family

ID=13283344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6531579A Expired JPS6050018B2 (en) 1979-05-25 1979-05-25 Method for forming a conductive film on the inner surface of a cathode ray tube

Country Status (1)

Country Link
JP (1) JPS6050018B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57202039A (en) * 1981-06-05 1982-12-10 Nippon Electric Glass Co Ltd Manufacture of glass bulb for black-and-white picture tube

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02126919U (en) * 1989-03-29 1990-10-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57202039A (en) * 1981-06-05 1982-12-10 Nippon Electric Glass Co Ltd Manufacture of glass bulb for black-and-white picture tube

Also Published As

Publication number Publication date
JPS6050018B2 (en) 1985-11-06

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