GB449127A - Improvements in and relating to thermionic devices - Google Patents

Improvements in and relating to thermionic devices

Info

Publication number
GB449127A
GB449127A GB25461/35A GB2546135A GB449127A GB 449127 A GB449127 A GB 449127A GB 25461/35 A GB25461/35 A GB 25461/35A GB 2546135 A GB2546135 A GB 2546135A GB 449127 A GB449127 A GB 449127A
Authority
GB
United Kingdom
Prior art keywords
envelope
getter
class
sept
welded
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
GB25461/35A
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 GB449127A publication Critical patent/GB449127A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/186—Getter supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Gas-Filled Discharge Tubes (AREA)
GB25461/35A 1934-09-15 1935-09-13 Improvements in and relating to thermionic devices Expired GB449127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US744166A US2067817A (en) 1934-09-15 1934-09-15 Device for gettering metal tubes

Publications (1)

Publication Number Publication Date
GB449127A true GB449127A (en) 1936-06-22

Family

ID=21935005

Family Applications (2)

Application Number Title Priority Date Filing Date
GB25461/35A Expired GB449127A (en) 1934-09-15 1935-09-13 Improvements in and relating to thermionic devices
GB25677/35A Expired GB443767A (en) 1934-09-15 1935-09-16 Improvements in and relating to thermionic discharge devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB25677/35A Expired GB443767A (en) 1934-09-15 1935-09-16 Improvements in and relating to thermionic discharge devices

Country Status (5)

Country Link
US (1) US2067817A (enrdf_load_stackoverflow)
BE (1) BE411183A (enrdf_load_stackoverflow)
DE (1) DE739183C (enrdf_load_stackoverflow)
FR (1) FR46595E (enrdf_load_stackoverflow)
GB (2) GB449127A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2552933A1 (fr) * 1983-09-30 1985-04-05 Outokumpu Oy Procede d'activation d'un stabilisateur de phase gazeuse place a l'interieur d'un compteur proportionnel a remplissage de gaz

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422427A (en) * 1944-01-21 1947-06-17 Gen Electric Electronic discharge device
US2429954A (en) * 1944-02-02 1947-10-28 Hytron Corp Insulation in an electron tube
US2437097A (en) * 1945-01-05 1948-03-02 King Lab Inc Getter structure
BE476683A (enrdf_load_stackoverflow) * 1946-10-11
US2755403A (en) * 1952-10-22 1956-07-17 Gen Electric Magnetic motion transducer
BE527340A (enrdf_load_stackoverflow) * 1953-04-24
US2887602A (en) * 1956-06-19 1959-05-19 Gen Electric Ultra-high frequency electric discharge device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1323836A (en) * 1916-10-06 1919-12-02 Gen Electric Method of removing gases and apparatus produced thereby.
GB251572A (en) * 1924-12-31 1926-04-30 Ernest Yeoman Robinson Improvements in or relating to vacuum electric tube devices
NL27026C (enrdf_load_stackoverflow) * 1926-07-19
GB300403A (en) * 1927-10-14 1928-11-15 Philips Nv Improvements relating to thermionic valves or electron discharge tubes
FR646813A (fr) * 1928-01-07 1928-11-16 Adaptation de magnésium dans les lampes à hautes émissions
DE551178C (de) * 1929-05-29 1932-05-30 C H F Mueller Akt Ges Verfahren zur Erzeugung eines hohen Vakuums in Roentgenroehren
NL41681C (enrdf_load_stackoverflow) * 1931-10-22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2552933A1 (fr) * 1983-09-30 1985-04-05 Outokumpu Oy Procede d'activation d'un stabilisateur de phase gazeuse place a l'interieur d'un compteur proportionnel a remplissage de gaz
GB2147455A (en) * 1983-09-30 1985-05-09 Outokumpu Oy Activating a gas phase stabilizer in a proportional counter

Also Published As

Publication number Publication date
DE739183C (de) 1943-09-14
FR46595E (fr) 1936-07-10
US2067817A (en) 1937-01-12
GB443767A (en) 1936-03-05
BE411183A (enrdf_load_stackoverflow) 1935-10-31

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