GB521918A - Improvements in and relating to methods of sealing vitreous receptacles - Google Patents

Improvements in and relating to methods of sealing vitreous receptacles

Info

Publication number
GB521918A
GB521918A GB34597/38A GB3459738A GB521918A GB 521918 A GB521918 A GB 521918A GB 34597/38 A GB34597/38 A GB 34597/38A GB 3459738 A GB3459738 A GB 3459738A GB 521918 A GB521918 A GB 521918A
Authority
GB
United Kingdom
Prior art keywords
receptacles
relating
methods
nov
disc
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
GB34597/38A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB521918A publication Critical patent/GB521918A/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
    • H01J5/24—Vacuum-tight joints between parts of vessel between insulating parts of vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • 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

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

521,918. Welding glass. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 28, 1938, No. 34597. Convention date, Nov. 27, 1937. Drawings to 'Specification. [Class 56] [Also in Group XL] Adjacent ends of the stem tube and envelope of an electric lamp are placed against a disc of material, such as carbon, heated by electric induction but not adherent to the glass. This disc is supported upon a rod or block of refractory insulating material, such as sillimanite. Specification 521,917, [Group XXXVI], is referred to.
GB34597/38A 1937-11-27 1938-11-28 Improvements in and relating to methods of sealing vitreous receptacles Expired GB521918A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US521918XA 1937-11-27 1937-11-27

Publications (1)

Publication Number Publication Date
GB521918A true GB521918A (en) 1940-06-04

Family

ID=21976032

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34597/38A Expired GB521918A (en) 1937-11-27 1938-11-28 Improvements in and relating to methods of sealing vitreous receptacles

Country Status (1)

Country Link
GB (1) GB521918A (en)

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