JPS5530107A - Explosion-proof braun tube and reinforcing method same - Google Patents

Explosion-proof braun tube and reinforcing method same

Info

Publication number
JPS5530107A
JPS5530107A JP10177378A JP10177378A JPS5530107A JP S5530107 A JPS5530107 A JP S5530107A JP 10177378 A JP10177378 A JP 10177378A JP 10177378 A JP10177378 A JP 10177378A JP S5530107 A JPS5530107 A JP S5530107A
Authority
JP
Japan
Prior art keywords
metal ring
braun tube
thermal expansion
expansion coefficient
explosion
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
JP10177378A
Other languages
Japanese (ja)
Inventor
Takeshi Fujishima
Yukio Kuribayashi
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 JP10177378A priority Critical patent/JPS5530107A/en
Publication of JPS5530107A publication Critical patent/JPS5530107A/en
Pending 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
    • H01J29/87—Arrangements for preventing or limiting effects of implosion of vessels or containers

Landscapes

  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

PURPOSE: To facilitate the mounting of metallic ring, by shrinkage fitting two layers of inner and outer metal rings having different thermal expansion coefficient on the side of electrode board of Braun tube.
CONSTITUTION: The cross-section of metal ring composed of outer metal ring 5 having lower thermal expansion coefficient and inner metal ring 6 having higher thermal expansion coefficient is formed as shown on the drawing b to fit with the shape of the portion where the stress of Braun tube 1 is applied. Then when the metal ring 4 is heated to 400W500°C, the cross-section of metal ring 4 becomes linear as shown on the drawing c thereby the insertion into the Braun tube 1 is facilitated. Consequently when it is cooled to normal temperature after insertion of metal ring 4, the metal ring 4 matches with the shape of side wall of Braun tube 1 thereby the slippage is prevented.
COPYRIGHT: (C)1980,JPO&Japio
JP10177378A 1978-08-23 1978-08-23 Explosion-proof braun tube and reinforcing method same Pending JPS5530107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10177378A JPS5530107A (en) 1978-08-23 1978-08-23 Explosion-proof braun tube and reinforcing method same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10177378A JPS5530107A (en) 1978-08-23 1978-08-23 Explosion-proof braun tube and reinforcing method same

Publications (1)

Publication Number Publication Date
JPS5530107A true JPS5530107A (en) 1980-03-03

Family

ID=14309525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10177378A Pending JPS5530107A (en) 1978-08-23 1978-08-23 Explosion-proof braun tube and reinforcing method same

Country Status (1)

Country Link
JP (1) JPS5530107A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6375940U (en) * 1986-11-05 1988-05-20
WO2007027191A1 (en) * 2005-08-31 2007-03-08 Thomson Licensing Cathode ray tube having implosion protection band

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6375940U (en) * 1986-11-05 1988-05-20
JPH0515717Y2 (en) * 1986-11-05 1993-04-26
WO2007027191A1 (en) * 2005-08-31 2007-03-08 Thomson Licensing Cathode ray tube having implosion protection band

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