GB639206A - Improvements in or relating to the manufacture of cathode ray tubes - Google Patents

Improvements in or relating to the manufacture of cathode ray tubes

Info

Publication number
GB639206A
GB639206A GB9767/47A GB976747A GB639206A GB 639206 A GB639206 A GB 639206A GB 9767/47 A GB9767/47 A GB 9767/47A GB 976747 A GB976747 A GB 976747A GB 639206 A GB639206 A GB 639206A
Authority
GB
United Kingdom
Prior art keywords
ray tubes
relating
manufacture
cathode ray
cathode
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
GB9767/47A
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Publication of GB639206A publication Critical patent/GB639206A/en
Expired 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
    • H01J9/26—Sealing together parts of vessels
    • H01J9/263—Sealing together parts of vessels specially adapted for cathode-ray tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/20—Seals between parts of vessels
    • H01J5/22—Vacuum-tight joints between parts of vessel
    • H01J5/30—Vacuum-tight joints between parts of vessel using packing-material, e.g. sealing-liquid or elastic insert
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0047—Closure other than lamp base

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

639,206. Cathode-ray tubes. SOC. FRANCAISE RADIO-ELECTRIQUE. April 11, 1947, No. 9767. Convention date, April 12, 1946. Addition to 631,811. [Class 39 (i)] The screen plate G of a cathode-ray tube is made separately from the rest of the envelope and joined thereto by a ground joint, as described in the parent Specification.
GB9767/47A 1946-04-12 1947-04-11 Improvements in or relating to the manufacture of cathode ray tubes Expired GB639206A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR872976X 1946-04-12

Publications (1)

Publication Number Publication Date
GB639206A true GB639206A (en) 1950-06-21

Family

ID=9359140

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9767/47A Expired GB639206A (en) 1946-04-12 1947-04-11 Improvements in or relating to the manufacture of cathode ray tubes

Country Status (4)

Country Link
CH (1) CH268036A (en)
DE (1) DE872976C (en)
FR (1) FR56182E (en)
GB (1) GB639206A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756892A (en) * 1956-07-31 Bleuze efal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756892A (en) * 1956-07-31 Bleuze efal

Also Published As

Publication number Publication date
FR56182E (en) 1952-09-18
CH268036A (en) 1950-04-30
DE872976C (en) 1953-04-09

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