US2491847A - Electric discharge envelope - Google Patents

Electric discharge envelope Download PDF

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Publication number
US2491847A
US2491847A US678220A US67822046A US2491847A US 2491847 A US2491847 A US 2491847A US 678220 A US678220 A US 678220A US 67822046 A US67822046 A US 67822046A US 2491847 A US2491847 A US 2491847A
Authority
US
United States
Prior art keywords
component
components
wall
ridge
electric discharge
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 - Lifetime
Application number
US678220A
Other languages
English (en)
Inventor
Breadner Robert Leonard
Jenkins Henry Grainger
Simms Charles Henry
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.)
General Electric Co
Original Assignee
General Electric Co
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
Priority claimed from GB715845A external-priority patent/GB593760A/en
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of US2491847A publication Critical patent/US2491847A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/32—Special longitudinal shape, e.g. for advertising purposes
    • H01J61/327—"Compact"-lamps, i.e. lamps having a folded discharge path
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/20—Uniting glass pieces by fusing without substantial reshaping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/20—Seals between parts of vessels
    • H01J5/22—Vacuum-tight joints between parts of vessel
    • H01J5/24—Vacuum-tight joints between parts of vessel between insulating parts of vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/305—Flat vessels or containers
    • H01J61/307—Flat vessels or containers with folded elongated discharge path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0037—Solid sealing members other than lamp bases
    • H01J2893/0038—Direct connection between two insulating elements, in particular via glass material
    • H01J2893/0039—Glass-to-glass connection, e.g. by soldering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
US678220A 1945-03-21 1946-06-21 Electric discharge envelope Expired - Lifetime US2491847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB715845A GB593760A (en) 1945-03-21 Improvements in and relating to electric discharge lamps

Publications (1)

Publication Number Publication Date
US2491847A true US2491847A (en) 1949-12-20

Family

ID=9827718

Family Applications (1)

Application Number Title Priority Date Filing Date
US678220A Expired - Lifetime US2491847A (en) 1945-03-21 1946-06-21 Electric discharge envelope

Country Status (4)

Country Link
US (1) US2491847A (hr)
BE (1) BE463380A (hr)
FR (1) FR922967A (hr)
NL (1) NL65351C (hr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE839975C (de) * 1950-08-11 1952-05-26 Fritz Zoerner Neon- oder Leuchtstoffroehre
US3899712A (en) * 1974-05-01 1975-08-12 Gen Electric Tapered helical compact fluorescent lamp
DE2901592A1 (de) * 1978-01-26 1979-08-02 Stanley Electric Co Ltd Fluoreszenzlampe flacher bauart
DE4232743A1 (de) * 1992-09-30 1994-03-31 Wolfgang Dipl Ing Topf Energiesparende Lichtquelle in Modulform
EP0744763A1 (en) * 1995-05-26 1996-11-27 Matsushita Electric Works, Ltd. Substantially flat compact fluorescent lamp and manufacturing method thereof
EP0745565A1 (en) * 1995-05-30 1996-12-04 Corning Incorporated Manufacturing method for an internally channeled glass article and a lighting device comprising said article
EP0790637A2 (en) * 1996-02-09 1997-08-20 Matsushita Electric Works, Ltd. Flat compact fluorescent lamp with inter-channel discharge suppression
US5858046A (en) * 1995-05-30 1999-01-12 Corning Incorporated Method of making an internally channeled glass article
WO2008061996A2 (de) * 2006-11-22 2008-05-29 Osram Gesellschaft mit beschränkter Haftung Flaches up- und downlight mit hoher lichtausbeute und unterschiedlicher lichtfarben
US20120032586A1 (en) * 2010-08-04 2012-02-09 Heraeus Noblelight Gmbh Mercury-vapor discharge lamp for homogeneous, planar irradiation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE949360C (de) * 1952-01-11 1956-09-20 Patra Patent Treuhand Elektrische Gasentladungslampe, insbesondere Leuchtstofflampe
NL7812539A (nl) * 1978-02-14 1979-08-16 Philips Nv Lagedrukkwikdampontladingslamp.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1867154A (en) * 1930-12-16 1932-07-12 Hotchner Fred Method of fabricating vacuum vessels
US1926552A (en) * 1932-04-14 1933-09-12 Morgan Hans Otto Tubular structure and method of manufacture thereof
US1935423A (en) * 1929-01-28 1933-11-14 Gen Electric Electric discharge device
US1984215A (en) * 1931-01-16 1934-12-11 Hotchner Fred Vacuum vessel and illuminating device
US2205672A (en) * 1938-10-13 1940-06-25 David F Sawyer Lighting element and fixture therefor
US2255431A (en) * 1939-10-21 1941-09-09 Westinghouse Electric & Mfg Co Molded fluorescent lamp
US2316348A (en) * 1940-10-19 1943-04-13 Mahlck Gustave Lamp

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1935423A (en) * 1929-01-28 1933-11-14 Gen Electric Electric discharge device
US1867154A (en) * 1930-12-16 1932-07-12 Hotchner Fred Method of fabricating vacuum vessels
US1984215A (en) * 1931-01-16 1934-12-11 Hotchner Fred Vacuum vessel and illuminating device
US1926552A (en) * 1932-04-14 1933-09-12 Morgan Hans Otto Tubular structure and method of manufacture thereof
US2205672A (en) * 1938-10-13 1940-06-25 David F Sawyer Lighting element and fixture therefor
US2255431A (en) * 1939-10-21 1941-09-09 Westinghouse Electric & Mfg Co Molded fluorescent lamp
US2316348A (en) * 1940-10-19 1943-04-13 Mahlck Gustave Lamp

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE839975C (de) * 1950-08-11 1952-05-26 Fritz Zoerner Neon- oder Leuchtstoffroehre
US3899712A (en) * 1974-05-01 1975-08-12 Gen Electric Tapered helical compact fluorescent lamp
DE2901592A1 (de) * 1978-01-26 1979-08-02 Stanley Electric Co Ltd Fluoreszenzlampe flacher bauart
DE4232743A1 (de) * 1992-09-30 1994-03-31 Wolfgang Dipl Ing Topf Energiesparende Lichtquelle in Modulform
EP0744763A1 (en) * 1995-05-26 1996-11-27 Matsushita Electric Works, Ltd. Substantially flat compact fluorescent lamp and manufacturing method thereof
US5858046A (en) * 1995-05-30 1999-01-12 Corning Incorporated Method of making an internally channeled glass article
EP0745565A1 (en) * 1995-05-30 1996-12-04 Corning Incorporated Manufacturing method for an internally channeled glass article and a lighting device comprising said article
EP0790637A2 (en) * 1996-02-09 1997-08-20 Matsushita Electric Works, Ltd. Flat compact fluorescent lamp with inter-channel discharge suppression
EP0790637A3 (en) * 1996-02-09 1997-11-26 Matsushita Electric Works, Ltd. Flat compact fluorescent lamp with inter-channel discharge suppression
WO2008061996A2 (de) * 2006-11-22 2008-05-29 Osram Gesellschaft mit beschränkter Haftung Flaches up- und downlight mit hoher lichtausbeute und unterschiedlicher lichtfarben
WO2008061996A3 (de) * 2006-11-22 2009-01-22 Osram Gmbh Flaches up- und downlight mit hoher lichtausbeute und unterschiedlicher lichtfarben
US20120032586A1 (en) * 2010-08-04 2012-02-09 Heraeus Noblelight Gmbh Mercury-vapor discharge lamp for homogeneous, planar irradiation
US8400059B2 (en) * 2010-08-04 2013-03-19 Heraeus Noblelight Gmbh Mercury-vapor discharge lamp for homogeneous, planar irradiation

Also Published As

Publication number Publication date
FR922967A (fr) 1947-06-24
NL65351C (hr)
BE463380A (hr)

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