GB666520A - Improvements in or relating to cathode ray tube envelopes - Google Patents

Improvements in or relating to cathode ray tube envelopes

Info

Publication number
GB666520A
GB666520A GB1402749A GB1402749A GB666520A GB 666520 A GB666520 A GB 666520A GB 1402749 A GB1402749 A GB 1402749A GB 1402749 A GB1402749 A GB 1402749A GB 666520 A GB666520 A GB 666520A
Authority
GB
United Kingdom
Prior art keywords
rectangle
rim
ray tube
cathode
relating
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.)
Expired
Application number
GB1402749A
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.)
RAYMOND THOMAS HILL
General Electric Co PLC
Original Assignee
RAYMOND THOMAS HILL
General Electric Co PLC
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 RAYMOND THOMAS HILL, General Electric Co PLC filed Critical RAYMOND THOMAS HILL
Priority to GB1402749A priority Critical patent/GB666520A/en
Priority to FR1024398D priority patent/FR1024398A/en
Publication of GB666520A publication Critical patent/GB666520A/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
    • H01J29/861—Vessels or containers characterised by the form or the structure thereof

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

666,520. Cathode-ray tubes. GENERAL ELECTRIC CO., Ltd., and HILL, R. T. June 16, 1950 [May 25, 1949], No. 14027/49. Class 39 (i). The bowl-shaped pressing which forms the end of the cathode-ray tube carrying the luminescent screen comprises a sharply curved rim 3, and a central flat or shallow portion 1 which on both its inner and outer surfaces has the shape of a rectangle 4 superimposed on a circle 5 to form radially projecting corners 6. A flange 2 on the rim 3 may be glass-soldered to the envelope. The length of the rectangle 4 may equal the diameter of the circle 5, and the diagonal of the rectangle 4 may equal the maximum diameter of the rim 3. The screen may carry an aluminium layer on an intermediate layer of nitrocellulose which is deposited on a web surface.
GB1402749A 1949-05-25 1949-05-25 Improvements in or relating to cathode ray tube envelopes Expired GB666520A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1402749A GB666520A (en) 1949-05-25 1949-05-25 Improvements in or relating to cathode ray tube envelopes
FR1024398D FR1024398A (en) 1949-05-25 1950-09-08 Cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1402749A GB666520A (en) 1949-05-25 1949-05-25 Improvements in or relating to cathode ray tube envelopes

Publications (1)

Publication Number Publication Date
GB666520A true GB666520A (en) 1952-02-13

Family

ID=10033660

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1402749A Expired GB666520A (en) 1949-05-25 1949-05-25 Improvements in or relating to cathode ray tube envelopes

Country Status (2)

Country Link
FR (1) FR1024398A (en)
GB (1) GB666520A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388822A (en) * 1963-02-04 1968-06-18 Owens Illinois Inc Pressing flanged glass articles
EP0081366A2 (en) * 1981-12-07 1983-06-15 Corning Glass Works Television bulb
GB2132409A (en) * 1982-12-01 1984-07-04 Asahi Glass Co Ltd Cathode ray tube with a protruded face plate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388822A (en) * 1963-02-04 1968-06-18 Owens Illinois Inc Pressing flanged glass articles
EP0081366A2 (en) * 1981-12-07 1983-06-15 Corning Glass Works Television bulb
EP0081366A3 (en) * 1981-12-07 1984-03-28 Corning Glass Works Television bulb
US4483452A (en) * 1981-12-07 1984-11-20 Corning Glass Works Television bulb
GB2132409A (en) * 1982-12-01 1984-07-04 Asahi Glass Co Ltd Cathode ray tube with a protruded face plate

Also Published As

Publication number Publication date
FR1024398A (en) 1953-04-01

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