IT960594B - ELEMENT IN STEEL OF ELASTIC NATURE IN PARTICULAR GRAFT DIAPHRAGM AND ITS OBTAINING PROCEDURE - Google Patents

ELEMENT IN STEEL OF ELASTIC NATURE IN PARTICULAR GRAFT DIAPHRAGM AND ITS OBTAINING PROCEDURE

Info

Publication number
IT960594B
IT960594B IT1271872A IT1271872A IT960594B IT 960594 B IT960594 B IT 960594B IT 1271872 A IT1271872 A IT 1271872A IT 1271872 A IT1271872 A IT 1271872A IT 960594 B IT960594 B IT 960594B
Authority
IT
Italy
Prior art keywords
diaphragm
steel
elastic nature
obtaining procedure
particular graft
Prior art date
Application number
IT1271872A
Other languages
Italian (it)
Original Assignee
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 Ferodo Sa filed Critical Ferodo Sa
Application granted granted Critical
Publication of IT960594B publication Critical patent/IT960594B/en

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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Operated Clutches (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
IT1271872A 1971-06-15 1972-06-13 ELEMENT IN STEEL OF ELASTIC NATURE IN PARTICULAR GRAFT DIAPHRAGM AND ITS OBTAINING PROCEDURE IT960594B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT960594B true IT960594B (en) 1973-11-30

Family

ID=9078652

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1271872A IT960594B (en) 1971-06-15 1972-06-13 ELEMENT IN STEEL OF ELASTIC NATURE IN PARTICULAR GRAFT DIAPHRAGM AND ITS OBTAINING PROCEDURE

Country Status (5)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3235807A1 (en) * 1981-10-01 1983-04-21 Kabushiki Kaisha Komatsu Seisakusho, Tokyo SURFACE TREATMENT OF STEEL THROUGH HEAT TREATMENT
MX158127A (en) * 1983-03-12 1989-01-09 Luk Lamellen & Kupplungsbau FRICTIONAL COUPLING
GB8507230D0 (en) * 1985-03-20 1985-04-24 Lucas Ind Plc Thin flat article with hardened surfaces
GB2186290B (en) * 1986-02-11 1989-11-22 Avdel Ltd Pin for a fastener, and method of making same
FR2671022B1 (en) * 1990-12-26 1995-01-06 Valeo METHOD FOR MANUFACTURING A DIAPHRAGM, ESPECIALLY FOR CLUTCHES OF MOTOR VEHICLES.
FR2765291B1 (en) * 1997-06-27 2001-03-30 Luk Lamellen & Kupplungsbau METHOD FOR ADJUSTING A MEMBRANE SPRING
DE19830660A1 (en) * 1998-07-09 2000-01-20 Sachs Race Eng Gmbh Friction clutch, especially for vehicle transmissions, has a nickel-containing spring especially of a nickel-chromium alloy with a boride surface
FR2812575B1 (en) * 2000-08-01 2002-10-11 Valeo METHOD FOR MANUFACTURING A METAL PART COMPRISING AT LEAST ONE ELASTICALLY DEFORMABLE PART, AND METAL PART OBTAINED BY EXECUTING THE METHOD
DE10334470A1 (en) 2003-07-29 2005-03-03 Muhr Und Bender Kg Disc spring with improved setting behavior
JP5632454B2 (en) 2010-03-18 2014-11-26 日本発條株式会社 Spring steel and steel surface treatment method
DE102015207111B3 (en) * 2015-04-20 2016-08-18 Schaeffler Technologies AG & Co. KG Process for the thermochemical-thermal treatment of carbon-reduced steels
CN105937571A (en) * 2016-07-13 2016-09-14 苏州市虎丘区浒墅关弹簧厂 High-quality medium-carbon wavy spring
EP3762244B1 (en) * 2018-03-08 2023-06-07 Volvo Truck Corporation Spring assembly for a tandem axle vehicle suspension

Also Published As

Publication number Publication date
GB1402144A (en) 1975-08-06
ES403785A1 (en) 1975-05-01
DE2229028A1 (en) 1973-01-04
FR2142158A5 (en) 1973-01-26

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