FR2172369B1 - - Google Patents
Info
- Publication number
- FR2172369B1 FR2172369B1 FR7305600A FR7305600A FR2172369B1 FR 2172369 B1 FR2172369 B1 FR 2172369B1 FR 7305600 A FR7305600 A FR 7305600A FR 7305600 A FR7305600 A FR 7305600A FR 2172369 B1 FR2172369 B1 FR 2172369B1
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/04—Sources of current
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22717972A | 1972-02-17 | 1972-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2172369A1 FR2172369A1 (show.php) | 1973-09-28 |
| FR2172369B1 true FR2172369B1 (show.php) | 1976-11-05 |
Family
ID=22852079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7305600A Expired FR2172369B1 (show.php) | 1972-02-17 | 1973-02-16 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3733454A (show.php) |
| AU (1) | AU464536B2 (show.php) |
| CA (1) | CA976239A (show.php) |
| DE (1) | DE2307787C3 (show.php) |
| FR (1) | FR2172369B1 (show.php) |
| GB (1) | GB1413354A (show.php) |
| IT (1) | IT977357B (show.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8600673A (nl) * | 1986-03-17 | 1987-10-16 | Philips Nv | Generator voor hoogfrequent verhitten, voorzien van een elektronenbuis met meer dan een rooster. |
| CA2156195C (en) * | 1993-12-16 | 1999-04-13 | Shigeru Isoyama | Method and apparatus for joining metal pieces |
| CN109877497B (zh) * | 2019-04-18 | 2020-01-07 | 燕山大学 | 一种移动式冷却磁棒焊接erw管的装置及工艺 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1592388A (en) * | 1921-01-31 | 1926-07-13 | Westinghouse Electric & Mfg Co | Electron-tube system |
| FR597109A (fr) * | 1924-07-31 | 1925-11-13 | Soc Indep Telegraphie Sans Fil | Perfectionnements aux amplificateurs thermioniques alimentés en courant alternatif |
| US1877129A (en) * | 1929-07-05 | 1932-09-13 | John Olson | Electron discharge device circuit arrangement |
| US2540275A (en) * | 1945-05-10 | 1951-02-06 | Mittelmann Eugene | Oscillator |
| US2554087A (en) * | 1947-02-26 | 1951-05-22 | Hartford Nat Bank & Trust Co | High-frequency oscillator with a back-coupled electron tube |
| US2693537A (en) * | 1951-02-08 | 1954-11-02 | Westinghouse Electric Corp | Automatic overload protection |
| NL94398C (show.php) * | 1957-05-02 | |||
| US3066210A (en) * | 1960-02-29 | 1962-11-27 | Gen Electric | Power oscillator |
| US3037105A (en) * | 1961-09-25 | 1962-05-29 | American Mach & Foundry | Methods and apparatus for the induction welding of tubing |
| US3131285A (en) * | 1962-02-08 | 1964-04-28 | American Mach & Foundry | High frequency welding of metal elements of finite length |
| NL148202B (nl) * | 1965-08-28 | 1975-12-15 | Philips Nv | Inrichting voor hoogfrequentieverhitting. |
-
1972
- 1972-02-17 US US00227179A patent/US3733454A/en not_active Expired - Lifetime
-
1973
- 1973-01-29 CA CA162,324A patent/CA976239A/en not_active Expired
- 1973-02-06 AU AU51866/73A patent/AU464536B2/en not_active Expired
- 1973-02-12 GB GB678573A patent/GB1413354A/en not_active Expired
- 1973-02-15 IT IT48271/73A patent/IT977357B/it active
- 1973-02-16 DE DE2307787A patent/DE2307787C3/de not_active Expired
- 1973-02-16 FR FR7305600A patent/FR2172369B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT977357B (it) | 1974-09-10 |
| FR2172369A1 (show.php) | 1973-09-28 |
| AU5186673A (en) | 1974-08-08 |
| DE2307787A1 (de) | 1973-08-23 |
| GB1413354A (en) | 1975-11-12 |
| CA976239A (en) | 1975-10-14 |
| AU464536B2 (en) | 1975-08-28 |
| US3733454A (en) | 1973-05-15 |
| DE2307787C3 (de) | 1982-12-30 |
| DE2307787B2 (de) | 1977-11-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |