GB1052541A - - Google Patents

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Publication number
GB1052541A
GB1052541A GB1052541DA GB1052541A GB 1052541 A GB1052541 A GB 1052541A GB 1052541D A GB1052541D A GB 1052541DA GB 1052541 A GB1052541 A GB 1052541A
Authority
GB
United Kingdom
Prior art keywords
tube
glaze
glass
expansion
lower coefficient
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.)
Active
Application number
Publication of GB1052541A publication Critical patent/GB1052541A/en
Active legal-status Critical Current

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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

1,052,541. Strengthening glassware by coating. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. March 1, 1966, No. 1901/65. Addition to 976,508. Heading C1M. [Also in Division H1] To strengthen a cathode-ray tube, at least part of the outer surface of the tube is covered with a thin layer of a glaze having a lower coefficient of expansion than that of the glass of the tube, the glaze is then heated superficially for a short time to a temperature at which the glaze becomes mobile, and the tube cooled to give a rough irregularly grooved surface where the glaze was applied. An intermediate layer of a crystallizable glass, of lower coefficient of expansion than the glass of the tube, may be provided. The composition of the glasses are as disclosed in Specifications 971,702 and 976,508.
GB1052541D Active GB1052541A (en)

Publications (1)

Publication Number Publication Date
GB1052541A true GB1052541A (en)

Family

ID=1757068

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1052541D Active GB1052541A (en)

Country Status (1)

Country Link
GB (1) GB1052541A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196624A (en) * 1986-10-31 1988-05-05 Frank Guetzlaffe Method of making a toughened transparent glass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196624A (en) * 1986-10-31 1988-05-05 Frank Guetzlaffe Method of making a toughened transparent glass

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