GB540988A - Electrode for spot welding - Google Patents

Electrode for spot welding

Info

Publication number
GB540988A
GB540988A GB9901/40A GB990140A GB540988A GB 540988 A GB540988 A GB 540988A GB 9901/40 A GB9901/40 A GB 9901/40A GB 990140 A GB990140 A GB 990140A GB 540988 A GB540988 A GB 540988A
Authority
GB
United Kingdom
Prior art keywords
tube
spring
washer
electrode
arm
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
GB9901/40A
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.)
PRESTON MARTIN HALL
Original Assignee
PRESTON MARTIN HALL
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 PRESTON MARTIN HALL filed Critical PRESTON MARTIN HALL
Publication of GB540988A publication Critical patent/GB540988A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/30—Angle modulation by means of transit-time tube
    • H03C3/32—Angle modulation by means of transit-time tube the tube being a magnetron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/30—Features relating to electrodes
    • B23K11/3009—Pressure electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/18—Resonators
    • H01J23/20—Cavity resonators; Adjustment or tuning thereof
    • H01J23/213—Simultaneous tuning of more than one resonator, e.g. resonant cavities of a magnetron
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
    • H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
    • H01J25/587—Multi-cavity magnetrons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microwave Tubes (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Resistance Welding (AREA)
GB9901/40A 1954-09-01 1940-06-06 Electrode for spot welding Expired GB540988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE341575X 1954-09-01

Publications (1)

Publication Number Publication Date
GB540988A true GB540988A (en) 1941-11-07

Family

ID=20308386

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9901/40A Expired GB540988A (en) 1954-09-01 1940-06-06 Electrode for spot welding
GB25066/55A Expired GB799983A (en) 1954-09-01 1953-08-31 Improvements in and relating to magnetrons

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB25066/55A Expired GB799983A (en) 1954-09-01 1953-08-31 Improvements in and relating to magnetrons

Country Status (7)

Country Link
US (1) US2931943A (fr)
BE (1) BE540988A (fr)
CH (1) CH341575A (fr)
DE (1) DE1081976B (fr)
FR (1) FR1167523A (fr)
GB (2) GB540988A (fr)
NL (2) NL200109A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3231781A (en) * 1962-08-10 1966-01-25 Sfd Lab Inc Reverse magnetron with slot mode absorber
US3343031A (en) * 1963-12-21 1967-09-19 Philips Corp Tunable electronic tube
US3365609A (en) * 1964-09-01 1968-01-23 Philips Corp Transducer for use with variable frequency magnetrons
SE399151B (sv) * 1976-05-21 1978-01-30 Philips Svenska Ab Avstembar magnetron
EP0018724B1 (fr) * 1979-05-01 1981-10-07 Thorn Emi-Varian Limited Magnétron accordé par rotation
DE3750753T2 (de) * 1986-03-15 1995-06-08 Emi Varian Ltd Verbesserungen im Zusammenhang mit Magnetrons.
GB2191889A (en) * 1986-06-20 1987-12-23 Emi Varian Ltd Improvements relating to spin- tuned magnetrons

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2466060A (en) * 1945-03-31 1949-04-05 Raytheon Mfg Co Electron discharge device
US2506955A (en) * 1945-05-14 1950-05-09 Bell Telephone Labor Inc Tunable high-frequency circuits
US2448573A (en) * 1946-02-28 1948-09-07 Bell Telephone Labor Inc Cathode structure for electron discharge devices
US2607019A (en) * 1948-05-29 1952-08-12 Rca Corp Electron discharge device of the cavity resonator type
GB668141A (en) * 1950-08-17 1952-03-12 British Thomson Houston Co Ltd Improvements relating to magnetrons
BE511839A (fr) * 1951-06-07
FR1040274A (fr) * 1951-08-01 1953-10-14 Radio Electr Soc Fr Perfectionnements aux tubes pour ultra-hautes fréquences
GB716677A (en) * 1952-07-15 1954-10-13 M O Valve Co Ltd Improvements in or relating to magnetrons
US2799802A (en) * 1954-04-16 1957-07-16 Litton Industries Inc Magnetron tuner device

Also Published As

Publication number Publication date
US2931943A (en) 1960-04-05
NL200109A (fr)
NL96902C (fr)
BE540988A (fr)
DE1081976B (de) 1960-05-19
CH341575A (de) 1959-10-15
GB799983A (en) 1958-08-13
FR1167523A (fr) 1958-11-26

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