[go: up one dir, main page]

FR874789A - New sealing process for vacuum tubes - Google Patents

New sealing process for vacuum tubes

Info

Publication number
FR874789A
FR874789A FR874789DA FR874789A FR 874789 A FR874789 A FR 874789A FR 874789D A FR874789D A FR 874789DA FR 874789 A FR874789 A FR 874789A
Authority
FR
France
Prior art keywords
sealing process
vacuum tubes
new sealing
new
tubes
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR874789A publication Critical patent/FR874789A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/20Seals between parts of vessels
    • H01J5/22Vacuum-tight joints between parts of vessel
    • H01J5/26Vacuum-tight joints between parts of vessel between insulating and conductive parts of vessel
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0033Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0037Solid sealing members other than lamp bases
    • H01J2893/0041Direct connection between insulating and metal elements, in particular via glass material
    • H01J2893/0043Glass-to-metal or quartz-to-metal, e.g. by soldering
FR874789D 1941-04-18 1941-04-18 New sealing process for vacuum tubes Expired FR874789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR874789T 1941-04-18

Publications (1)

Publication Number Publication Date
FR874789A true FR874789A (en) 1942-08-26

Family

ID=9359853

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874789D Expired FR874789A (en) 1941-04-18 1941-04-18 New sealing process for vacuum tubes

Country Status (1)

Country Link
FR (1) FR874789A (en)

Similar Documents

Publication Publication Date Title
FR838376A (en) Method of making welded joints for the assembly of tubes to containers
FR880243A (en) Seal for moving machine parts
FR872475A (en) Locking method for telescopic tubes and resulting product
FR937024A (en) Sealed process for removing powdery materials
CH249500A (en) Process for closing a vacuum tube using sealed gaskets and tube obtained by this process.
FR874789A (en) New sealing process for vacuum tubes
FR887045A (en) Framing process for film slides
FR884283A (en) Seal for high pressure hoses
FR844828A (en) Process and machine for the manufacture of metal tubes
FR834768A (en) Exploration process for television tubes
FR882150A (en) Process for the improvement of fibrous substances
FR879785A (en) Process for the production of hexachlorobutadiene
FR913163A (en) Process for the preparation of oxazolidones-2
FR834207A (en) Process for the isolation of electrical pipes
FR1013948A (en) Process for the production of fluorinated alkylene
FR884346A (en) Process for the constitution of a paste electrode for electron tubes
FR880027A (en) Process for making photocopies
FR871829A (en) Process for doubling pipes
FR906347A (en) Process for the preparation of ascaridol-type endoperoxides
FR50024E (en) Method of making welded joints for the assembly of tubes to containers
FR895556A (en) Process for compressing acetylene
FR877436A (en) Carbon sealing ring for glands for rotating machine shafts or for piston rods
FR874381A (en) Process for obtaining pure cellulose
FR879694A (en) Process for pumping electron tubes
FR890427A (en) Leaktight seal for high pressure vessel closures