GB420877A - Improvements in or relating to the filling of gas-filled electric incandescent lamps - Google Patents

Improvements in or relating to the filling of gas-filled electric incandescent lamps

Info

Publication number
GB420877A
GB420877A GB18422/34A GB1842234A GB420877A GB 420877 A GB420877 A GB 420877A GB 18422/34 A GB18422/34 A GB 18422/34A GB 1842234 A GB1842234 A GB 1842234A GB 420877 A GB420877 A GB 420877A
Authority
GB
United Kingdom
Prior art keywords
krypton
xenon
gases
filling
gas
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
GB18422/34A
Other languages
English (en)
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.)
Claude Paz et Visseaux SA
Original Assignee
Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva
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 Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva filed Critical Societe Anonyme pour les Applications de lElectricite et des Gaz Rares Etablissement Claude Paz et Silva
Publication of GB420877A publication Critical patent/GB420877A/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
    • H01J9/395—Filling vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
  • Separation By Low-Temperature Treatments (AREA)
GB18422/34A 1934-04-23 1934-06-21 Improvements in or relating to the filling of gas-filled electric incandescent lamps Expired GB420877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR785140T 1934-04-23

Publications (1)

Publication Number Publication Date
GB420877A true GB420877A (en) 1934-12-10

Family

ID=9217673

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18422/34A Expired GB420877A (en) 1934-04-23 1934-06-21 Improvements in or relating to the filling of gas-filled electric incandescent lamps

Country Status (4)

Country Link
DE (1) DE647199C (OSRAM)
FR (1) FR785140A (OSRAM)
GB (1) GB420877A (OSRAM)
NL (1) NL40547C (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5789847A (en) * 1994-09-09 1998-08-04 Philips Electronics North America Corporation High efficiency sealed beam reflector lamp with reflective surface of heat treated silver
WO2006100428A1 (en) * 2005-03-24 2006-09-28 The Boc Group Plc Method and apparatus for evacuating a chamber prior to its filling with a noble gas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5789847A (en) * 1994-09-09 1998-08-04 Philips Electronics North America Corporation High efficiency sealed beam reflector lamp with reflective surface of heat treated silver
WO2006100428A1 (en) * 2005-03-24 2006-09-28 The Boc Group Plc Method and apparatus for evacuating a chamber prior to its filling with a noble gas

Also Published As

Publication number Publication date
NL40547C (OSRAM)
DE647199C (OSRAM)
FR785140A (fr) 1935-08-02

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