HU178774B - Method and apparatus for heat treating springs - Google Patents
Method and apparatus for heat treating springsInfo
- Publication number
- HU178774B HU178774B HUTO001097A HU178774B HU 178774 B HU178774 B HU 178774B HU TO001097 A HUTO001097 A HU TO001097A HU 178774 B HU178774 B HU 178774B
- Authority
- HU
- Hungary
- Prior art keywords
- heat treating
- springs
- treating springs
- heat
- treating
- Prior art date
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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUTO001097 HU178774B (en) | 1979-04-02 | 1979-04-02 | Method and apparatus for heat treating springs |
| DE19803012191 DE3012191C2 (de) | 1979-04-02 | 1980-03-28 | Vorrichtung zum Herstellen warmgeformter Federn |
| SE8002473A SE448555B (sv) | 1979-04-02 | 1980-03-31 | Sett och anordnig for framstellning av varmformade fjedrar |
| NL8001943A NL8001943A (nl) | 1979-04-02 | 1980-04-02 | Werkwijze en inrichting voor het vervaardigen van in warme toestand gevormde veren. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUTO001097 HU178774B (en) | 1979-04-02 | 1979-04-02 | Method and apparatus for heat treating springs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU178774B true HU178774B (en) | 1982-06-28 |
Family
ID=11002175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUTO001097 HU178774B (en) | 1979-04-02 | 1979-04-02 | Method and apparatus for heat treating springs |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE3012191C2 (hu) |
| HU (1) | HU178774B (hu) |
| NL (1) | NL8001943A (hu) |
| SE (1) | SE448555B (hu) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404047A (en) * | 1980-12-10 | 1983-09-13 | Lasalle Steel Company | Process for the improved heat treatment of steels using direct electrical resistance heating |
| JPS58188532A (ja) * | 1982-04-28 | 1983-11-04 | Nhk Spring Co Ltd | 中空スタビライザの製造方法 |
| US4890975A (en) * | 1988-03-31 | 1990-01-02 | Frank L. Wells Company | Loop spring stacking machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2124329A (en) * | 1936-06-29 | 1938-07-19 | Nachman Spring Filled Corp | Spring heating machine |
| DE877179C (de) * | 1950-12-06 | 1953-05-21 | Wilhelm Dipl-Ing Dr Stich | Verfahren und Anordnung zur elektrischen Widerstandserhitzung von Stahlstaeben, verbunden mit deren Ausrichtung |
| DE1784253U (de) * | 1958-06-06 | 1959-03-05 | Otto P Molt | Vorrichtung zum herstellen von federn aus stahldraht oder bandstahl. |
-
1979
- 1979-04-02 HU HUTO001097 patent/HU178774B/hu not_active IP Right Cessation
-
1980
- 1980-03-28 DE DE19803012191 patent/DE3012191C2/de not_active Expired
- 1980-03-31 SE SE8002473A patent/SE448555B/sv not_active IP Right Cessation
- 1980-04-02 NL NL8001943A patent/NL8001943A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| SE448555B (sv) | 1987-03-02 |
| DE3012191C2 (de) | 1986-06-26 |
| NL8001943A (nl) | 1980-10-06 |
| SE8002473L (sv) | 1980-10-03 |
| DE3012191A1 (de) | 1980-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HU90 | Patent valid on 900628 | ||
| HMM4 | Cancellation of final prot. due to non-payment of fee |