GB1402144A - Part of steel of an elastic nature especially a clutch diaphragm and a method of its manufacture - Google Patents

Part of steel of an elastic nature especially a clutch diaphragm and a method of its manufacture

Info

Publication number
GB1402144A
GB1402144A GB2760072A GB2760072A GB1402144A GB 1402144 A GB1402144 A GB 1402144A GB 2760072 A GB2760072 A GB 2760072A GB 2760072 A GB2760072 A GB 2760072A GB 1402144 A GB1402144 A GB 1402144A
Authority
GB
United Kingdom
Prior art keywords
steel
carbon region
carbon
clutch diaphragm
manufacture
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
Application number
GB2760072A
Other languages
English (en)
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.)
Valeo SE
Original Assignee
Francaise du Ferodo SA
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 Francaise du Ferodo SA filed Critical Francaise du Ferodo SA
Publication of GB1402144A publication Critical patent/GB1402144A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/32—Belleville-type springs
    • F16F1/324—Belleville-type springs characterised by having tongues or arms directed in a generally radial direction, i.e. diaphragm-type springs
    • 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/583—Diaphragm-springs, e.g. Belleville

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Operated Clutches (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
GB2760072A 1971-06-15 1972-06-13 Part of steel of an elastic nature especially a clutch diaphragm and a method of its manufacture Expired GB1402144A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7121609A FR2142158A5 (enExample) 1971-06-15 1971-06-15

Publications (1)

Publication Number Publication Date
GB1402144A true GB1402144A (en) 1975-08-06

Family

ID=9078652

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2760072A Expired GB1402144A (en) 1971-06-15 1972-06-13 Part of steel of an elastic nature especially a clutch diaphragm and a method of its manufacture

Country Status (5)

Country Link
DE (1) DE2229028A1 (enExample)
ES (1) ES403785A1 (enExample)
FR (1) FR2142158A5 (enExample)
GB (1) GB1402144A (enExample)
IT (1) IT960594B (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3235807A1 (de) * 1981-10-01 1983-04-21 Kabushiki Kaisha Komatsu Seisakusho, Tokyo Oberflaechenhaertung von stahl durch waermebehandlung
GB2186290B (en) * 1986-02-11 1989-11-22 Avdel Ltd Pin for a fastener, and method of making same
US5492576A (en) * 1990-12-26 1996-02-20 Valeo Method of making a diaphragm, especially for a motor vehicle clutch
FR2812575A1 (fr) * 2000-08-01 2002-02-08 Valeo Procede de fabrication d'une piece metallique comprenant au moins une partie elastiquement deformable, et piece metallique obtenue par execution de ce procede
US9469895B2 (en) 2010-03-18 2016-10-18 Nhk Spring Co., Ltd. Spring steel and surface treatment method for steel material
US11458791B2 (en) 2018-03-08 2022-10-04 Volvo Truck Corporation Spring assembly for a vehicle bogie suspension arrangement

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX158127A (es) * 1983-03-12 1989-01-09 Luk Lamellen & Kupplungsbau Acoplamiento friccional
GB8507230D0 (en) * 1985-03-20 1985-04-24 Lucas Ind Plc Thin flat article with hardened surfaces
FR2765291B1 (fr) * 1997-06-27 2001-03-30 Luk Lamellen & Kupplungsbau Procede d'ajustement d'un ressort en membrane
DE19830660A1 (de) * 1998-07-09 2000-01-20 Sachs Race Eng Gmbh Reibungskupplung mit Nickelchromlegierungs-Federelementen
DE10334470A1 (de) * 2003-07-29 2005-03-03 Muhr Und Bender Kg Tellerfeder mit verbessertem Setzverhalten
DE102015207111B3 (de) * 2015-04-20 2016-08-18 Schaeffler Technologies AG & Co. KG Verfahren zur thermochemisch-thermischen Behandlung von kohlenstoffreduzierten Stählen
CN105937571A (zh) * 2016-07-13 2016-09-14 苏州市虎丘区浒墅关弹簧厂 一种优质中碳波形弹簧

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3235807A1 (de) * 1981-10-01 1983-04-21 Kabushiki Kaisha Komatsu Seisakusho, Tokyo Oberflaechenhaertung von stahl durch waermebehandlung
GB2186290B (en) * 1986-02-11 1989-11-22 Avdel Ltd Pin for a fastener, and method of making same
US5492576A (en) * 1990-12-26 1996-02-20 Valeo Method of making a diaphragm, especially for a motor vehicle clutch
FR2812575A1 (fr) * 2000-08-01 2002-02-08 Valeo Procede de fabrication d'une piece metallique comprenant au moins une partie elastiquement deformable, et piece metallique obtenue par execution de ce procede
US9469895B2 (en) 2010-03-18 2016-10-18 Nhk Spring Co., Ltd. Spring steel and surface treatment method for steel material
US11458791B2 (en) 2018-03-08 2022-10-04 Volvo Truck Corporation Spring assembly for a vehicle bogie suspension arrangement

Also Published As

Publication number Publication date
DE2229028A1 (de) 1973-01-04
FR2142158A5 (enExample) 1973-01-26
IT960594B (it) 1973-11-30
ES403785A1 (es) 1975-05-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee