JPS5788641A - Production of cathode-ray tube - Google Patents

Production of cathode-ray tube

Info

Publication number
JPS5788641A
JPS5788641A JP16328880A JP16328880A JPS5788641A JP S5788641 A JPS5788641 A JP S5788641A JP 16328880 A JP16328880 A JP 16328880A JP 16328880 A JP16328880 A JP 16328880A JP S5788641 A JPS5788641 A JP S5788641A
Authority
JP
Japan
Prior art keywords
panel
filming emulsion
sealing surface
water soluble
soluble liquid
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
JP16328880A
Other languages
Japanese (ja)
Inventor
Mitsuru Hinosugi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP16328880A priority Critical patent/JPS5788641A/en
Publication of JPS5788641A publication Critical patent/JPS5788641A/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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/244—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for cathode ray tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

PURPOSE:To shorten the removing process of a film, by coating the sealing surface part of a panel with a water soluble liquid which is highly viscous and slow in drying, next by applying a filming emulsion thereon, then by mechanically removing the filming emulsion attached to the sealing surface of the panel. CONSTITUTION:A water soluble liquid which is highly viscous and slow in drying, such as Enamel 20A and Petriol or the like is applied all around the sealing surface part 3 of a panel 5 which is formed by coating an internal surface 5a with a phosphor layer 6. Next, a filming emulsion 14 made from a nonaqueous soluble film forming resin is applied all over the internal surface 5a of the panel including the phosphor layer 6, then heated to dry it. And, the dried water soluble liquid 15 and the filming emulsion 14 on the upper surface are mechanically scraped, and then the scraped region is washed. Thus, the filming emulsion is not allowed to directly touch the sealing surface of the panel and even when it is in dry condition, the film is not formed, so the filming emulsion can be easily removed.
JP16328880A 1980-11-21 1980-11-21 Production of cathode-ray tube Pending JPS5788641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16328880A JPS5788641A (en) 1980-11-21 1980-11-21 Production of cathode-ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16328880A JPS5788641A (en) 1980-11-21 1980-11-21 Production of cathode-ray tube

Publications (1)

Publication Number Publication Date
JPS5788641A true JPS5788641A (en) 1982-06-02

Family

ID=15770966

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16328880A Pending JPS5788641A (en) 1980-11-21 1980-11-21 Production of cathode-ray tube

Country Status (1)

Country Link
JP (1) JPS5788641A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0475763A2 (en) * 1990-09-13 1992-03-18 Nippon Sheet Glass Co., Ltd. Glass front-panel for a cathode ray tube and production method of the same
US5252112A (en) * 1990-09-13 1993-10-12 Nippon Sheet Glass Co., Ltd. Method of producing a glass front-panel protected from coloring by electron rays
US5357165A (en) * 1990-09-13 1994-10-18 Nippon Sheet Glass Co., Ltd. Glass front-panel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0475763A2 (en) * 1990-09-13 1992-03-18 Nippon Sheet Glass Co., Ltd. Glass front-panel for a cathode ray tube and production method of the same
US5252112A (en) * 1990-09-13 1993-10-12 Nippon Sheet Glass Co., Ltd. Method of producing a glass front-panel protected from coloring by electron rays
US5357165A (en) * 1990-09-13 1994-10-18 Nippon Sheet Glass Co., Ltd. Glass front-panel

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