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FR2364974A1 - Application d'un acier faiblement allie a la fabrication de fil pour ressort de soupape - Google Patents

Application d'un acier faiblement allie a la fabrication de fil pour ressort de soupape

Info

Publication number
FR2364974A1
FR2364974A1 FR7728035A FR7728035A FR2364974A1 FR 2364974 A1 FR2364974 A1 FR 2364974A1 FR 7728035 A FR7728035 A FR 7728035A FR 7728035 A FR7728035 A FR 7728035A FR 2364974 A1 FR2364974 A1 FR 2364974A1
Authority
FR
France
Prior art keywords
application
manufacture
valve spring
spring wire
alloy steel
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.)
Granted
Application number
FR7728035A
Other languages
English (en)
Other versions
FR2364974B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Garphytte Bruk AB
Original Assignee
Garphytte Bruk AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Garphytte Bruk AB filed Critical Garphytte Bruk AB
Publication of FR2364974A1 publication Critical patent/FR2364974A1/fr
Application granted granted Critical
Publication of FR2364974B1 publication Critical patent/FR2364974B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Springs (AREA)

Abstract

L'invention concerne l'industrie de la métallurgie. Elle concerne l'application à la fabrication de fil de ressort pour soupape, d'un acier contenant, outre le fer, du manganèse et du Silicium, ainsi que de l'aluminium et de l'azote, pour obtenir une texture à grains fins. Le fil obtenu selon l'invention présente des propriétés supérieures de résistance à la fatigue et de relaxation, et convient au domaine d'application des moteurs à combustion interne.
FR7728035A 1976-09-20 1977-09-16 Application d'un acier faiblement allie a la fabrication de fil pour ressort de soupape Granted FR2364974A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE767610405A SE404703C (sv) 1976-09-20 1976-09-20 Ventilfjedertrad av laglegerat stal

Publications (2)

Publication Number Publication Date
FR2364974A1 true FR2364974A1 (fr) 1978-04-14
FR2364974B1 FR2364974B1 (fr) 1979-07-20

Family

ID=20328918

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7728035A Granted FR2364974A1 (fr) 1976-09-20 1977-09-16 Application d'un acier faiblement allie a la fabrication de fil pour ressort de soupape

Country Status (6)

Country Link
US (1) US4233089A (fr)
JP (1) JPS5344418A (fr)
BR (1) BR7706281A (fr)
DE (1) DE2741930C2 (fr)
FR (1) FR2364974A1 (fr)
SE (1) SE404703C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997045565A1 (fr) * 1996-05-29 1997-12-04 Datec Scherdel Datentechnik, Forschungs- Und Entwicklungs-Gmbh Ressort d'acier resistant au relachement

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5514847A (en) * 1978-07-18 1980-02-01 Nisshin Steel Co Ltd High-nitrogen carbon steel for machine structural use
JPS5548543U (fr) * 1978-09-26 1980-03-29
DE3048799A1 (de) * 1980-12-23 1982-07-08 Boehringer Mannheim Gmbh, 6800 Mannheim Reagenzstreifen fuer analytische zwecke
JPS58157802U (ja) * 1982-04-16 1983-10-21 大同工業株式会社 自動二輪車用リム
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
CH681603A5 (fr) * 1984-05-30 1993-04-30 Von Roll Ag
JPS62164939U (fr) * 1986-03-11 1987-10-20
JPH06240408A (ja) * 1993-02-17 1994-08-30 Sumitomo Electric Ind Ltd ばね用鋼線及びその製造方法
US7055244B2 (en) * 2002-03-14 2006-06-06 Anand Waman Bhagwat Method of manufacturing flat wire coil springs to improve fatigue life and avoid blue brittleness
DE102004037721A1 (de) * 2004-08-04 2006-02-23 Robert Bosch Gmbh Druckfeder zum Ansteuern eines dynamisch beanspruchten Elements

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2058914A5 (fr) * 1969-08-20 1971-05-28 Caterpillar Tractor Co

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229140A (en) * 1939-12-20 1941-01-21 Republic Steel Corp Abnormal steel
US3259487A (en) * 1963-01-31 1966-07-05 United States Steel Corp High-strength wire rope
US3990887A (en) * 1970-02-06 1976-11-09 Nippon Steel Corporation Cold working steel bar and wire rod produced by continuous casting
GB1342582A (en) * 1970-03-20 1974-01-03 British Steel Corp Rail steel
US4123296A (en) * 1973-12-17 1978-10-31 Kobe Steel, Ltd. High strength steel rod of large gauge
JPS5649978B2 (fr) * 1974-06-12 1981-11-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2058914A5 (fr) * 1969-08-20 1971-05-28 Caterpillar Tractor Co

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXRV/74 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997045565A1 (fr) * 1996-05-29 1997-12-04 Datec Scherdel Datentechnik, Forschungs- Und Entwicklungs-Gmbh Ressort d'acier resistant au relachement

Also Published As

Publication number Publication date
SE7610405L (sv) 1978-03-21
US4233089A (en) 1980-11-11
DE2741930C2 (de) 1984-06-07
DE2741930A1 (de) 1978-03-30
BR7706281A (pt) 1978-06-06
JPS5344418A (en) 1978-04-21
SE404703B (sv) 1978-10-23
FR2364974B1 (fr) 1979-07-20
SE404703C (sv) 1986-06-23

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Legal Events

Date Code Title Description
ST Notification of lapse