FR647296A - Method and device for hardening objects made of ferromagnetic materials - Google Patents
Method and device for hardening objects made of ferromagnetic materialsInfo
- Publication number
- FR647296A FR647296A FR647296DA FR647296A FR 647296 A FR647296 A FR 647296A FR 647296D A FR647296D A FR 647296DA FR 647296 A FR647296 A FR 647296A
- Authority
- FR
- France
- Prior art keywords
- ferromagnetic materials
- objects made
- hardening
- hardening objects
- ferromagnetic
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/54—Determining when the hardening temperature has been reached by measurement of magnetic or electrical properties
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE282750X | 1926-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR647296A true FR647296A (en) | 1928-11-22 |
Family
ID=6042507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR647296D Expired FR647296A (en) | 1926-12-28 | 1927-12-15 | Method and device for hardening objects made of ferromagnetic materials |
Country Status (3)
Country | Link |
---|---|
US (1) | US1747934A (en) |
FR (1) | FR647296A (en) |
GB (1) | GB282750A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2506336A1 (en) * | 1981-04-28 | 1982-11-26 | Pavljukov Valentin | PLANT FOR THE THERMAL AND CHEMOTHERMAL TREATMENT OF METAL PARTS |
FR2515542A1 (en) * | 1981-11-03 | 1983-05-06 | Pk Tekhnolo | DEVICE FOR ADVANCING REELS TO THE MATRIX OF A HOT DISCHARGE PRESS |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2415376A (en) * | 1943-05-29 | 1947-02-04 | Budd Co | Electromagnetic means for feeding a ferromagnetic charge to a furnace |
US2464727A (en) * | 1944-06-07 | 1949-03-15 | Sunbeam Corp | High-frequency inductor heattreating apparatus |
US2505049A (en) * | 1945-03-31 | 1950-04-25 | Linde Air Prod Co | Electric powder control |
US2482545A (en) * | 1945-07-24 | 1949-09-20 | Gen Electric | High-frequency heating apparatus |
US2513778A (en) * | 1946-11-09 | 1950-07-04 | Chrysler Corp | Heat-treating apparatus |
US2697596A (en) * | 1952-07-22 | 1954-12-21 | Loftus Engineering Corp | Magnetic brake for quenching apparatus |
US2780666A (en) * | 1954-04-06 | 1957-02-05 | Mallory Sharon Titanium Corp | Induction furnace control and method |
US2823781A (en) * | 1956-02-27 | 1958-02-18 | Gen Electric | Article handling apparatus |
CH503112A (en) * | 1969-02-04 | 1971-02-15 | Borel Sa | Furnace for hardening self-hardening alloy steels and high speed steels |
-
1927
- 1927-12-15 FR FR647296D patent/FR647296A/en not_active Expired
- 1927-12-17 GB GB34236/27A patent/GB282750A/en not_active Expired
- 1927-12-21 US US241621A patent/US1747934A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2506336A1 (en) * | 1981-04-28 | 1982-11-26 | Pavljukov Valentin | PLANT FOR THE THERMAL AND CHEMOTHERMAL TREATMENT OF METAL PARTS |
FR2515542A1 (en) * | 1981-11-03 | 1983-05-06 | Pk Tekhnolo | DEVICE FOR ADVANCING REELS TO THE MATRIX OF A HOT DISCHARGE PRESS |
Also Published As
Publication number | Publication date |
---|---|
GB282750A (en) | 1929-01-17 |
US1747934A (en) | 1930-02-18 |
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