GB194637A - Improvements in or relating to electrodes for electric dischargetubes - Google Patents

Improvements in or relating to electrodes for electric dischargetubes

Info

Publication number
GB194637A
GB194637A GB29118/22A GB2911822A GB194637A GB 194637 A GB194637 A GB 194637A GB 29118/22 A GB29118/22 A GB 29118/22A GB 2911822 A GB2911822 A GB 2911822A GB 194637 A GB194637 A GB 194637A
Authority
GB
United Kingdom
Prior art keywords
dischargetubes
relating
electrodes
electric
per cent
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
GB29118/22A
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 GB194637A publication Critical patent/GB194637A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J5/26—Vacuum-tight joints between parts of vessel between insulating and conductive parts of vessel
    • 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
    • H01J2893/0041—Direct connection between insulating and metal elements, in particular via glass material
    • H01J2893/0043—Glass-to-metal or quartz-to-metal, e.g. by soldering

Landscapes

  • Glass Compositions (AREA)

Abstract

194,637. Naamlooze Vennootschap Philips' Gloeilampenfabrieken. June 13, 1922. [Convention date]. Drawings to Specification. Alloys for fusing into glass are composed of iron containing 15 to 30 per cent of chromium, preferably 17 per cent.
GB29118/22A 1922-06-13 1922-10-25 Improvements in or relating to electrodes for electric dischargetubes Expired GB194637A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL194637X 1922-06-13

Publications (1)

Publication Number Publication Date
GB194637A true GB194637A (en) 1923-03-15

Family

ID=19778051

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29118/22A Expired GB194637A (en) 1922-06-13 1922-10-25 Improvements in or relating to electrodes for electric dischargetubes

Country Status (1)

Country Link
GB (1) GB194637A (en)

Similar Documents

Publication Publication Date Title
GB194637A (en) Improvements in or relating to electrodes for electric dischargetubes
GB251951A (en) Improvements in sealing metal in or to glass
GB420783A (en) Improvements in and relating to electric lamps and the like
GB214606A (en) Improved manufacture of "leads" for pencils and pencilholders
GB428712A (en) Improvements in electro-chemical processes
GB196231A (en) Improvements in or relating to hollow bodies in which electric current conductors are hermetically introduced through a glass wall
AU1570823A (en) Improvements in or relating tothe electrolytic refining of metals
GB183807A (en) Improvements in or relating to drawing dies
GB168864A (en) An improved gas-voltameter
GB210517A (en) Improvements relating to aluminium alloys
CA231378A (en) Reduction of ores in electric furnaces
AU1465420A (en) Improvements in or relating tothe production of iron inan electric furnace
GB337767A (en) Process for the production of iron-chromium alloys which are stable on heating
GB309602A (en) Process for the production of hydrogen peroxide
CA217243A (en) Electrolysis of iron ore
AU1688224A (en) Improvements in or relating tothe manufacture of alkali metals
CA217892A (en) Alloy of iron
GB223931A (en) Improvements in or relating to electricity meters
AU2599725A (en) Method of producing' iron andthe like witha certain percentage of carbon directly outof iron ore orthe like
GB258872A (en) Improvements in low expansion glass
GB300930A (en) Improvements in or relating to the preparation of laminations for transformers and the like
GB256189A (en) Method of producing glass suited particularly for insulating purposes
CA232518A (en) Concentration of ore by flotation
AU1208223A (en) Improvements in or relating tothe production of refined. copper from copper oxide
CA228784A (en) Chemical concentration of ore values