DE68927872D1 - Verfahren zur Herstellung einer hochfesten Schraubenfeder - Google Patents
Verfahren zur Herstellung einer hochfesten SchraubenfederInfo
- Publication number
- DE68927872D1 DE68927872D1 DE68927872T DE68927872T DE68927872D1 DE 68927872 D1 DE68927872 D1 DE 68927872D1 DE 68927872 T DE68927872 T DE 68927872T DE 68927872 T DE68927872 T DE 68927872T DE 68927872 D1 DE68927872 D1 DE 68927872D1
- Authority
- DE
- Germany
- Prior art keywords
- producing
- coil spring
- strength coil
- strength
- spring
- 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 - Fee Related
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
- Y10S148/908—Spring
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63282141A JP2775778B2 (ja) | 1988-11-08 | 1988-11-08 | 高強度コイルばねおよびその製造方法 |
JP63282140A JP2775777B2 (ja) | 1988-11-08 | 1988-11-08 | 高強度コイルばねおよびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68927872D1 true DE68927872D1 (de) | 1997-04-24 |
DE68927872T2 DE68927872T2 (de) | 1997-09-04 |
Family
ID=26554484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68927872T Expired - Fee Related DE68927872T2 (de) | 1988-11-08 | 1989-11-08 | Verfahren zur Herstellung einer hochfesten Schraubenfeder |
Country Status (4)
Country | Link |
---|---|
US (1) | US5152851A (de) |
EP (1) | EP0368638B1 (de) |
CA (1) | CA2002138C (de) |
DE (1) | DE68927872T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5328531A (en) * | 1989-07-07 | 1994-07-12 | Jacques Gautier | Process for the manufacture of components in treated steel |
EP0489339B1 (de) * | 1990-11-27 | 1996-04-17 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Lösung zur chemischen Polierung und Glanzerzeugung für gehärtete Stahlkörper und Verfahren zu deren Verwendung |
GB2268901B (en) * | 1992-07-23 | 1995-07-05 | Nsk Ltd | A rolling/sliding part |
DE4330832C2 (de) * | 1993-09-11 | 1996-04-04 | Hoesch Federn Gmbh | Verfahren zur Optimierung der Eigenspannungsverteilung im Stabquerschnitt von Schraubendruckfedern |
JPH07286649A (ja) * | 1994-04-18 | 1995-10-31 | Nippon Seiko Kk | トロイダル形無段変速機 |
AU5810896A (en) * | 1996-05-29 | 1998-01-05 | Firma Datec Scherdel Datentechnik, Forschungs- und Entwicklungs-GmbH | Relaxation-resistant steel spring |
DE29622242U1 (de) * | 1996-12-14 | 1997-05-15 | Datec Scherdel Gmbh | Drahtfeder mit hohem Volumennutzwert |
US6705868B1 (en) * | 1998-03-18 | 2004-03-16 | Purdue Research Foundation | Apparatus and methods for a shape memory spring actuator and display |
US6109064A (en) * | 1998-03-31 | 2000-08-29 | Siemens Information And Communication Networks, Inc. | Process for treating optical fibers by cryogenic tempering |
JP2000220627A (ja) * | 1999-01-28 | 2000-08-08 | Honda Motor Co Ltd | 内燃機関用連接棒の製造方法 |
US6790294B1 (en) * | 1999-02-19 | 2004-09-14 | Suncall Corporation | Spring with excellent fatigue endurance property and surface treatment method for producing the spring |
ATE307990T1 (de) * | 2002-11-25 | 2005-11-15 | Suisse Electronique Microtech | Spiraluhrwerkfeder und verfahren zu deren herstellung |
DE102004037721A1 (de) * | 2004-08-04 | 2006-02-23 | Robert Bosch Gmbh | Druckfeder zum Ansteuern eines dynamisch beanspruchten Elements |
CH696881A5 (fr) * | 2005-06-28 | 2008-01-15 | Eta Sa Mft Horlogere Suisse | Pièce de micro-mécanique en silicium renforcé et son procédé de fabrication. |
US20130118655A1 (en) | 2010-08-04 | 2013-05-16 | Nhk Spring Co., Ltd. | Spring and manufacture method thereof |
JP6583082B2 (ja) * | 2016-03-22 | 2019-10-02 | 住友電気工業株式会社 | ばね用鋼線 |
CN112143869B (zh) * | 2020-09-27 | 2022-08-12 | 广州市奥赛钢线科技有限公司 | 一种抗拉强度为2300~2400MPa淬回火弹簧钢丝制备工艺 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB846283A (en) * | 1956-07-10 | 1960-08-31 | American Steel Foundries | Method of making an extended life coil spring |
US4090866A (en) * | 1977-03-14 | 1978-05-23 | O. M. Scott & Sons Company | Process for the selective control of tall fescue in turf |
SU973659A1 (ru) * | 1981-02-02 | 1982-11-15 | Предприятие П/Я А-1697 | Сталь |
GB2112810B (en) * | 1982-01-02 | 1986-03-19 | Aichi Steel Works Ltd | Steels for vehicle suspension springs |
GB8416768D0 (en) * | 1984-07-02 | 1984-08-08 | Bridon Plc | Steel composition |
JP2613601B2 (ja) * | 1987-09-25 | 1997-05-28 | 日産自動車株式会社 | 高強度スプリング |
-
1989
- 1989-11-02 CA CA002002138A patent/CA2002138C/en not_active Expired - Fee Related
- 1989-11-08 EP EP89311558A patent/EP0368638B1/de not_active Expired - Lifetime
- 1989-11-08 DE DE68927872T patent/DE68927872T2/de not_active Expired - Fee Related
-
1991
- 1991-05-23 US US07/707,977 patent/US5152851A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE68927872T2 (de) | 1997-09-04 |
EP0368638A1 (de) | 1990-05-16 |
CA2002138C (en) | 1999-12-14 |
US5152851A (en) | 1992-10-06 |
CA2002138A1 (en) | 1990-05-08 |
EP0368638B1 (de) | 1997-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |