GB1438046A - Incandescent lamp - Google Patents

Incandescent lamp

Info

Publication number
GB1438046A
GB1438046A GB1513274A GB1513274A GB1438046A GB 1438046 A GB1438046 A GB 1438046A GB 1513274 A GB1513274 A GB 1513274A GB 1513274 A GB1513274 A GB 1513274A GB 1438046 A GB1438046 A GB 1438046A
Authority
GB
United Kingdom
Prior art keywords
april
pressure
gas filling
consist
incandescent lamp
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
GB1513274A
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.)
FABRIQUES REUNIES DE LAMPES ELECTRIQUES
Original Assignee
FABRIQUES REUNIES DE LAMPES ELECTRIQUES
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 FABRIQUES REUNIES DE LAMPES ELECTRIQUES filed Critical FABRIQUES REUNIES DE LAMPES ELECTRIQUES
Publication of GB1438046A publication Critical patent/GB1438046A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/38—Seals for 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)

Abstract

1438046 Electric incandescent lamps FABRIQUES REUNIES DE LAMPES ELECTRIQUES 5 April 1974 [9 April 1973] 15132/74 Heading H1F An incandescent lamp having a power of from 1 to 20 watts and operating at less than 12 volts comprises an envelope formed from a tube of hard glass flattened at one end to form the pinch seal, a coiled filament within the envelope, current supply wires sealed in the pinch and made from electrically conductive material at least part of which has a coefficient of expansion compatible with that of the glass, and a gas filling at a pressure above 5 bars. The wires may consist of molybdenum or tungsten and may consist wholly or partly of the filament tails, and the gas filling is preferably krypton, xenon or argon at a pressure of 10 bars together with methyl bromide or methylene bromide at 0À1% partial pressure.
GB1513274A 1973-04-09 1974-04-05 Incandescent lamp Expired GB1438046A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7312670A FR2224872B1 (en) 1973-04-09 1973-04-09

Publications (1)

Publication Number Publication Date
GB1438046A true GB1438046A (en) 1976-06-03

Family

ID=9117616

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1513274A Expired GB1438046A (en) 1973-04-09 1974-04-05 Incandescent lamp

Country Status (9)

Country Link
JP (1) JPS5048773A (en)
BE (1) BE813445A (en)
CA (1) CA990774A (en)
DE (1) DE2416860A1 (en)
ES (1) ES425067A1 (en)
FR (1) FR2224872B1 (en)
GB (1) GB1438046A (en)
IT (1) IT1010915B (en)
NL (1) NL7404734A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1228524A1 (en) * 2000-06-29 2002-08-07 Koninklijke Philips Electronics N.V. Halogen incandescent lamp having filament leg clamped in press seal

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7804198A (en) * 1978-04-20 1979-10-23 Philips Nv ELECTRIC LAMP.
JPS62200651A (en) * 1986-02-26 1987-09-04 西堀　稔 Pinch-sealing of halogen lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1228524A1 (en) * 2000-06-29 2002-08-07 Koninklijke Philips Electronics N.V. Halogen incandescent lamp having filament leg clamped in press seal

Also Published As

Publication number Publication date
IT1010915B (en) 1977-01-20
NL7404734A (en) 1974-10-11
CA990774A (en) 1976-06-08
FR2224872B1 (en) 1976-04-23
DE2416860A1 (en) 1974-10-17
FR2224872A1 (en) 1974-10-31
ES425067A1 (en) 1976-05-16
JPS5048773A (en) 1975-05-01
BE813445A (en) 1974-10-08

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee