GB435697A - Improvements in electric incandescent lamps - Google Patents

Improvements in electric incandescent lamps

Info

Publication number
GB435697A
GB435697A GB6095/34A GB609534A GB435697A GB 435697 A GB435697 A GB 435697A GB 6095/34 A GB6095/34 A GB 6095/34A GB 609534 A GB609534 A GB 609534A GB 435697 A GB435697 A GB 435697A
Authority
GB
United Kingdom
Prior art keywords
wire
fuse
cap
nickel
electric incandescent
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
GB6095/34A
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
Publication of GB435697A publication Critical patent/GB435697A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/62—One or more circuit elements structurally associated with the lamp
    • H01K1/66—One or more circuit elements structurally associated with the lamp with built-in fuse

Abstract

435,697. Electric incandescent lamps with cut-outs. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, Emmasingel, Eindhoven, Holland. Feb. 24, 1934, No. 6095. Convention date, Oct. 14, 1933. Drawings to Specification. [Class 39 (ii)] [See also Group XXXVI] Each leading-in wire of a gas-filled electric incandescent lamp of the " coiled-coil " type is provided with a fuse which is made of bare wire with its end attached at or near the corresponding contact of the cap, the short-circuit constant C of the fuse material being less than 300 Î 10<6> as expressed by the formula t=C(q)2/Ik, where t is the fusing time in seconds, q the wire diameter in cms., and Ik the short-circuit current in amperes. Suitable materials for use as fuse wires are nickel and nickel alloys, such as constantan, nickel-chromium, konel metal, and the material known under the Registered Trade Mark " Monel " metal. The whole of each leading-in wire from the cap contact to the pinch is preferably constituted by a fuse wire. The cap may be coated internally with insulating material, for example an insulating lacquer.
GB6095/34A 1933-10-14 1934-02-24 Improvements in electric incandescent lamps Expired GB435697A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE435697X 1933-10-14

Publications (1)

Publication Number Publication Date
GB435697A true GB435697A (en) 1935-09-24

Family

ID=6506804

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6095/34A Expired GB435697A (en) 1933-10-14 1934-02-24 Improvements in electric incandescent lamps

Country Status (3)

Country Link
BE (1) BE401590A (en)
FR (1) FR769002A (en)
GB (1) GB435697A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004095505A2 (en) * 2003-04-23 2004-11-04 Koninklijke Philips Electronics N.V. Electric lamp and lamp base

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004095505A2 (en) * 2003-04-23 2004-11-04 Koninklijke Philips Electronics N.V. Electric lamp and lamp base
WO2004095505A3 (en) * 2003-04-23 2007-01-25 Koninkl Philips Electronics Nv Electric lamp and lamp base

Also Published As

Publication number Publication date
FR769002A (en) 1934-08-17
BE401590A (en)

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