GB725695A - Improvements in and relating to quartz-to-metal seals - Google Patents

Improvements in and relating to quartz-to-metal seals

Info

Publication number
GB725695A
GB725695A GB4986/53A GB498653A GB725695A GB 725695 A GB725695 A GB 725695A GB 4986/53 A GB4986/53 A GB 4986/53A GB 498653 A GB498653 A GB 498653A GB 725695 A GB725695 A GB 725695A
Authority
GB
United Kingdom
Prior art keywords
quartz
jaws
tube
lands
jaw
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
GB4986/53A
Other languages
English (en)
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 GB725695A publication Critical patent/GB725695A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/02—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing by fusing glass directly to metal
    • 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
    • H01J5/32—Seals for leading-in conductors
    • 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
    • H01J61/34—Double-wall vessels or containers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Joining Of Glass To Other Materials (AREA)
GB4986/53A 1952-02-23 1953-02-23 Improvements in and relating to quartz-to-metal seals Expired GB725695A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US272985A US2816398A (en) 1952-02-23 1952-02-23 Apparatus for manufacture of a quartzto-metal foil press seal

Publications (1)

Publication Number Publication Date
GB725695A true GB725695A (en) 1955-03-09

Family

ID=23042075

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4986/53A Expired GB725695A (en) 1952-02-23 1953-02-23 Improvements in and relating to quartz-to-metal seals

Country Status (5)

Country Link
US (1) US2816398A (cg-RX-API-DMAC7.html)
BE (1) BE517821A (cg-RX-API-DMAC7.html)
DE (1) DE1018548B (cg-RX-API-DMAC7.html)
FR (4) FR1068795A (cg-RX-API-DMAC7.html)
GB (1) GB725695A (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857712A (en) * 1957-06-24 1958-10-28 Gen Electric Quartz lamp sealing machine
US3025426A (en) * 1960-02-18 1962-03-13 Westinghouse Electric Corp Press seal
DE1238571B (de) 1964-03-04 1967-04-13 Patra Patent Treuhand Vorrichtung zum Verschliessen eines Lampen-gefaesses und mit der Vorrichtung hergestellte elektrische Lampe
US3557991A (en) * 1968-08-20 1971-01-26 Wagner Electric Corp Electric lamp envelope with pinch-sealed portion
FR2464559A1 (fr) * 1979-08-31 1981-03-06 Gte Prod Corp Tube a arc pour lampe a decharge a halogenure de metal presentant une meilleure uniformite des couleurs
DE19724544A1 (de) * 1997-06-11 1998-12-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Molybdänfolieneinschmelzung in Glas und elektrische Lampe mit einer derartigen Molybdänfolieneinschmelzung
DE102005056956A1 (de) * 2005-11-29 2007-05-31 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Lampe mit einem Kolben mit mindestens einer Quetschung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1659613A (en) * 1925-01-17 1928-02-21 Gen Electric Method and apparatus for making stems
US1933323A (en) * 1930-08-27 1933-10-31 Westinghouse Lamp Co Method of making mercury switches
DE573448C (de) * 1931-03-13 1933-04-01 Siemens & Halske Akt Ges Vakuumdichte Stromeinfuehrung
US1969525A (en) * 1931-05-29 1934-08-07 Bell Telephone Labor Inc Machine for working glass
US2020729A (en) * 1934-01-27 1935-11-12 Gen Electric Vapor Lamp Co Method of and apparatus for sealing vitreous bodies
US2069079A (en) * 1935-07-10 1937-01-26 Gen Electric Stem for electric lamps and similar articles
GB476488A (en) * 1936-06-05 1937-12-06 Gen Electric Co Ltd Improvements in the sealing of electric conductors into quartz envelopes
US2143690A (en) * 1936-08-22 1939-01-10 Gen Electric Stem for electric lamps and similar devices
GB481940A (en) * 1936-09-16 1938-03-16 Ernest Yeoman Robinson Improvements in the sealing of electric lead-in wires into glass envelopes
GB489626A (en) * 1937-01-28 1938-07-28 Gen Electric Co Ltd Improvements in the sealing of electric conductors through quartz envelopes
US2334604A (en) * 1939-09-19 1943-11-16 Gen Electric Glassworking apparatus
NL57687C (cg-RX-API-DMAC7.html) * 1939-10-14
DE762748C (de) * 1942-03-04 1952-10-27 Patra Patent Treuhand Quetschbackenpaar zum Einschmelzen von stromleitenden Metallfolien in Hartglas, insbesondere Quarzglas
US2632033A (en) * 1949-07-19 1953-03-17 Krefft Hermann Eduard Seal for electrical discharge devices

Also Published As

Publication number Publication date
DE1018548B (de) 1957-10-31
FR64156E (fr) 1955-10-21
FR63733E (fr) 1955-10-03
FR63277E (fr) 1955-09-12
FR1068795A (fr) 1954-06-30
BE517821A (cg-RX-API-DMAC7.html)
US2816398A (en) 1957-12-17

Similar Documents

Publication Publication Date Title
ES393338A1 (es) Procedimiento, con su aparato realizador, para la activa- cion de superficies termoplasticas en relacion con su con- juntado.
GB775191A (en) Improvements in or relating to the manufacture of semi-conductor devices
US2844919A (en) Quartz-to-metal foil press seal
GB967387A (en) Method of sealing metallic elements between members,one of which is made of glass or ceramic material and the other of which is made of glass or ceramic material or of metal
GB1334453A (en) Halogen filament lamp
US3548245A (en) Quartz-to-metal foil pinch seal
US2273488A (en) Method of sealing electrical conductors to quartz
US3025426A (en) Press seal
GB724195A (en) Improvements in or relating to electrical devices including hollow tubes adapted to act as waveguides
FR2018913A1 (en) Sealing of leads of electric lamps
GB801445A (en) Improvements in or relating to electron tubes and to methods of making them
US3073137A (en) Press sealing process and apparatus
GB695316A (en) Improvements in or relating to quartz to metal pinch seals
US2983078A (en) Method of sealing a vitreous conduit
FR2310630A1 (fr) Lampe a arc court
GB1301499A (cg-RX-API-DMAC7.html)
US2490110A (en) Vacuum tube
GB815289A (en) Improvements in rectifiers utilising semi-conducting material
GB577738A (en) Improvements relating to sealing conductors through exhaust tubes of evacuated vitreous envelopes
GB490628A (en) Improvements in and relating to stems for electric lamps and the like
GB821772A (en) Improvements in or relating to window seals for electrical devices
GB658218A (en) Improvements in and relating to quartz-to-metal seal
GB565486A (en) Improvements in or relating to the manufacture of electric vacuum tubes
GB658598A (en) Improvements in method of and means for severing and sealing metal tubes
GB1012870A (en) Lamp with a pressed glass disc