FR867671A - Improvements to vacuum machines - Google Patents

Improvements to vacuum machines

Info

Publication number
FR867671A
FR867671A FR867671DA FR867671A FR 867671 A FR867671 A FR 867671A FR 867671D A FR867671D A FR 867671DA FR 867671 A FR867671 A FR 867671A
Authority
FR
France
Prior art keywords
vacuum machines
machines
vacuum
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 FR867671A publication Critical patent/FR867671A/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
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
FR867671D 1939-11-09 1940-11-09 Improvements to vacuum machines Expired FR867671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US303639A US2247513A (en) 1939-11-09 1939-11-09 Exhausting machine

Publications (1)

Publication Number Publication Date
FR867671A true FR867671A (en) 1941-11-21

Family

ID=23173027

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867671D Expired FR867671A (en) 1939-11-09 1940-11-09 Improvements to vacuum machines

Country Status (3)

Country Link
US (1) US2247513A (en)
FR (1) FR867671A (en)
GB (1) GB543079A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565298A (en) * 1946-02-07 1951-08-21 Gen Electric Evacuating and gas charging apparatus with movable support and vacuum pump carried thereon
US2449637A (en) * 1946-09-06 1948-09-21 Gen Electric Method and apparatus for manufacturing fluorescent lamps
US2542636A (en) * 1947-12-08 1951-02-20 Gen Electric Gas charging apparatus with gas pressure reducing valve
US2527185A (en) * 1948-05-04 1950-10-24 George R Willis Method of and means for filling lighting tubes with rare gas
US2494923A (en) * 1948-09-03 1950-01-17 Gen Electric Method and apparatus for bending and exhausting tubular lamps
US2532315A (en) * 1949-04-02 1950-12-05 Eastman Kodak Co Apparatus and process for evacuating electronic tubes and the like
US2561838A (en) * 1949-10-28 1951-07-24 Gen Electric Tipping-off method
US2564839A (en) * 1950-04-07 1951-08-21 Nat Video Corp Vacuum tube assembly apparatus
US2670115A (en) * 1951-10-26 1954-02-23 Westinghouse Electric Corp Lamp holder
US2812228A (en) * 1954-05-13 1957-11-05 Westinghouse Electric Corp Method of exhausting lamps
US2940742A (en) * 1958-06-03 1960-06-14 Gen Electric Apparatus for heating exhaust tubes
US2951513A (en) * 1958-10-03 1960-09-06 Westinghouse Electric Corp Leak-check valve
DE3442362A1 (en) * 1984-11-20 1986-05-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München DEVICE FOR PRODUCING CONTINUOUSLY CONTINUOUS CONNECTIONS BETWEEN THE CAVES OF LAMP GLASS BULBS AND PRESSURE SOURCES FOR GASES AND / OR VACUUM SOURCES
SE537223C2 (en) * 2011-11-04 2015-03-10 Auralight Int Ab Vertical pumping device and method for distributing mercury in a pumping and lamp gas filling process
CN102592921B (en) * 2012-02-29 2014-11-05 湖北标华电器科技有限公司 Automatic mercury injector
CN102610464B (en) * 2012-03-27 2014-07-09 李家凌 Improved structure of multi-station clamping and sealing machine for manufacturing electric light source
CN102664140A (en) * 2012-04-19 2012-09-12 德清明裕照明电器有限公司 Driving mechanism of wick turnplate

Also Published As

Publication number Publication date
US2247513A (en) 1941-07-01
GB543079A (en) 1942-02-09

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