FR1332455A - Device for practicing a vacuum in an ampoule - Google Patents

Device for practicing a vacuum in an ampoule

Info

Publication number
FR1332455A
FR1332455A FR907968A FR907968A FR1332455A FR 1332455 A FR1332455 A FR 1332455A FR 907968 A FR907968 A FR 907968A FR 907968 A FR907968 A FR 907968A FR 1332455 A FR1332455 A FR 1332455A
Authority
FR
France
Prior art keywords
ampoule
practicing
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
FR907968A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR907968A priority Critical patent/FR1332455A/en
Application granted granted Critical
Publication of FR1332455A publication Critical patent/FR1332455A/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
    • 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
    • H01J9/385—Exhausting vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR907968A 1961-08-28 1962-08-28 Device for practicing a vacuum in an ampoule Expired FR1332455A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR907968A FR1332455A (en) 1961-08-28 1962-08-28 Device for practicing a vacuum in an ampoule

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL268695 1961-08-28
FR907968A FR1332455A (en) 1961-08-28 1962-08-28 Device for practicing a vacuum in an ampoule

Publications (1)

Publication Number Publication Date
FR1332455A true FR1332455A (en) 1963-07-12

Family

ID=26197272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR907968A Expired FR1332455A (en) 1961-08-28 1962-08-28 Device for practicing a vacuum in an ampoule

Country Status (1)

Country Link
FR (1) FR1332455A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106764564A (en) * 2017-01-26 2017-05-31 海宁市新宇光能科技有限公司 A kind of low lamppost pile crown LED filament lamp production equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106764564A (en) * 2017-01-26 2017-05-31 海宁市新宇光能科技有限公司 A kind of low lamppost pile crown LED filament lamp production equipment

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