FR578227A - Device used to establish a hermetic seal around a cylindrical body or to keep this body in place - Google Patents

Device used to establish a hermetic seal around a cylindrical body or to keep this body in place

Info

Publication number
FR578227A
FR578227A FR578227DA FR578227A FR 578227 A FR578227 A FR 578227A FR 578227D A FR578227D A FR 578227DA FR 578227 A FR578227 A FR 578227A
Authority
FR
France
Prior art keywords
establish
keep
place
device used
hermetic seal
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.)
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
Application granted granted Critical
Publication of FR578227A publication Critical patent/FR578227A/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
    • H01J9/385—Exhausting vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FR578227D 1923-03-09 1924-03-07 Device used to establish a hermetic seal around a cylindrical body or to keep this body in place Expired FR578227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL212505X 1923-03-09

Publications (1)

Publication Number Publication Date
FR578227A true FR578227A (en) 1924-09-20

Family

ID=19778894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR578227D Expired FR578227A (en) 1923-03-09 1924-03-07 Device used to establish a hermetic seal around a cylindrical body or to keep this body in place

Country Status (3)

Country Link
US (1) US1728034A (en)
FR (1) FR578227A (en)
GB (1) GB212505A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767943A (en) * 1951-10-15 1956-10-23 Ii Raymond B Janney Air to air refueling of fighter aircraft
US2827080A (en) * 1954-10-26 1958-03-18 Machlett Lab Inc Pumping apparatus for evacuated envelopes
US3063478A (en) * 1959-06-30 1962-11-13 Westinghouse Electric Corp Compression-rubber assembly
FR2031689A5 (en) * 1969-02-04 1970-11-20 Thomson Csf

Also Published As

Publication number Publication date
GB212505A (en) 1924-05-08
US1728034A (en) 1929-09-10

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