GB917160A - Improvements in or relating to means for supporting tungsten filaments - Google Patents

Improvements in or relating to means for supporting tungsten filaments

Info

Publication number
GB917160A
GB917160A GB3983260A GB3983260A GB917160A GB 917160 A GB917160 A GB 917160A GB 3983260 A GB3983260 A GB 3983260A GB 3983260 A GB3983260 A GB 3983260A GB 917160 A GB917160 A GB 917160A
Authority
GB
United Kingdom
Prior art keywords
filament
molybdenum
clamps
nov
bend
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
GB3983260A
Inventor
William John Holloway
Ernest Benjamin Power
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 PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB3983260A priority Critical patent/GB917160A/en
Publication of GB917160A publication Critical patent/GB917160A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body

Landscapes

  • Electron Sources, Ion Sources (AREA)

Abstract

917,160. Supporting filaments in lamps. GENERAL ELECTRIC CO. Ltd. Nov. 20, 1961 [Nov. 18, 1960], No. 39832/60. Class 39 (2). A high-intensity source of light or heat consists of a tungsten filament supported by refractory metal clamps gripping the filament at the ends- and at at least one intermediate point. The intermediate elamp or clamps may be resiliently mounted by tensioning means to prevent sagging of the filament. In the form shown, the filament 1 consists of a length of tungsten strip doubled on itself to form a hairpin loop, the ends being clamped between pairs of cheeks 2, 3 of molybdenum and the bend by a molybdenum clamp comprising two halfcylindrical rods 4, 5 united by rivets 6, 7 on either side of the filament. The filament may be bent into a series of loops and clamped at both ends and at each bend, the clamps at alternate bends being biased to maintain tautness. In a modified form of clamp, two flat molybdenum plates are secured together by a mild steel nut and bolt.
GB3983260A 1960-11-18 1960-11-18 Improvements in or relating to means for supporting tungsten filaments Expired GB917160A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3983260A GB917160A (en) 1960-11-18 1960-11-18 Improvements in or relating to means for supporting tungsten filaments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3983260A GB917160A (en) 1960-11-18 1960-11-18 Improvements in or relating to means for supporting tungsten filaments

Publications (1)

Publication Number Publication Date
GB917160A true GB917160A (en) 1963-01-30

Family

ID=10411740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3983260A Expired GB917160A (en) 1960-11-18 1960-11-18 Improvements in or relating to means for supporting tungsten filaments

Country Status (1)

Country Link
GB (1) GB917160A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248141A (en) * 1990-09-18 1992-03-25 Servomex Infra-red source

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248141A (en) * 1990-09-18 1992-03-25 Servomex Infra-red source
WO1992005411A1 (en) * 1990-09-18 1992-04-02 Servomex (Uk) Ltd Infra-red source
US5324951A (en) * 1990-09-18 1994-06-28 Servomex (Uk) Ltd. Infra-red source

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