GB540988A - Electrode for spot welding - Google Patents
Electrode for spot weldingInfo
- 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
Links
- 238000003466 welding Methods 0.000 title abstract 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- -1 ferrous metals Chemical class 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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)
- Resistance Welding (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
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 (xx) |
BE (1) | BE540988A (xx) |
CH (1) | CH341575A (xx) |
DE (1) | DE1081976B (xx) |
FR (1) | FR1167523A (xx) |
GB (2) | GB540988A (xx) |
NL (2) | NL200109A (xx) |
Families Citing this family (7)
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 (en) * | 1979-05-01 | 1981-10-07 | Thorn Emi-Varian Limited | Spin-tuned magnetron |
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)
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 (xx) * | 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 |
-
0
- BE BE540988D patent/BE540988A/xx unknown
- NL NL96902D patent/NL96902C/xx active
- NL NL200109D patent/NL200109A/xx unknown
-
1940
- 1940-06-06 GB GB9901/40A patent/GB540988A/en not_active Expired
-
1953
- 1953-08-31 GB GB25066/55A patent/GB799983A/en not_active Expired
-
1955
- 1955-08-27 CH CH341575D patent/CH341575A/de unknown
- 1955-08-30 US US531389A patent/US2931943A/en not_active Expired - Lifetime
- 1955-09-01 DE DEI10609A patent/DE1081976B/de active Pending
- 1955-09-01 FR FR1167523D patent/FR1167523A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE540988A (xx) | |
DE1081976B (de) | 1960-05-19 |
US2931943A (en) | 1960-04-05 |
NL96902C (xx) | |
FR1167523A (fr) | 1958-11-26 |
CH341575A (de) | 1959-10-15 |
GB799983A (en) | 1958-08-13 |
NL200109A (xx) |
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