FR937868A - Improvements in the manufacture of electronic discharge lamp bases and tubes - Google Patents

Improvements in the manufacture of electronic discharge lamp bases and tubes

Info

Publication number
FR937868A
FR937868A FR937868DA FR937868A FR 937868 A FR937868 A FR 937868A FR 937868D A FR937868D A FR 937868DA FR 937868 A FR937868 A FR 937868A
Authority
FR
France
Prior art keywords
tubes
manufacture
discharge lamp
electronic discharge
lamp bases
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR937868A publication Critical patent/FR937868A/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
    • H01J9/32—Sealing leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/20—Sealing-in wires directly into the envelope
FR937868D 1944-09-15 1946-12-18 Improvements in the manufacture of electronic discharge lamp bases and tubes Expired FR937868A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US555729A US2518924A (en) 1944-09-15 1944-09-15 Stem making method and apparatus

Publications (1)

Publication Number Publication Date
FR937868A true FR937868A (en) 1948-08-30

Family

ID=24218390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937868D Expired FR937868A (en) 1944-09-15 1946-12-18 Improvements in the manufacture of electronic discharge lamp bases and tubes

Country Status (2)

Country Link
US (1) US2518924A (en)
FR (1) FR937868A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693054A (en) * 1952-04-21 1954-11-02 Westinghouse Electric Corp Method for the removal of glass strains on automatic sealing machines
US2857711A (en) * 1955-01-31 1958-10-28 Rca Corp Apparatus for making electron device stems

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9269C (en) * 1919-03-20
US1742153A (en) * 1925-05-23 1929-12-31 Gen Electric Sealing machine for incandescent lamps and similar articles
US1681329A (en) * 1925-10-30 1928-08-21 Claude E Fitch Vacuum tube
GB369349A (en) * 1931-02-19 1932-03-24 Gen Electric Co Ltd An improved process for sealing wires into vitreous envelopes
US2067150A (en) * 1934-03-23 1937-01-05 Birdseye Electric Corp Method of reclaiming electric lamps
US2063109A (en) * 1935-01-12 1936-12-08 Gen Electric Apparatus for making articles of metal and glass
NL80349C (en) * 1935-12-11
US2190788A (en) * 1936-01-24 1940-02-20 Arcturus Dev Company Metal tube construction
US2334784A (en) * 1937-11-20 1943-11-23 Sylvania Electric Prod Method for manufacturing unitary stem and plug-in bases for electron tubes and the like
US2290050A (en) * 1938-02-28 1942-07-14 Corning Glass Works Method of assembling lamp stem parts
US2266417A (en) * 1939-12-19 1941-12-16 Eisler Charles Machine for shaping the mouths of tubular glass articles
US2312003A (en) * 1940-06-08 1943-02-23 Nat Union Radio Corp Machine for making the press members or base portions of electronic tubes
US2349822A (en) * 1941-04-25 1944-05-30 Sylvania Electric Prod Lamp sealing apparatus
BE472242A (en) * 1942-01-21
BE463279A (en) * 1942-05-08
BE472798A (en) * 1942-05-29

Also Published As

Publication number Publication date
US2518924A (en) 1950-08-15

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