CA954193A - Case hardening method and arrangement utilizing high q tuned circuit - Google Patents

Case hardening method and arrangement utilizing high q tuned circuit

Info

Publication number
CA954193A
CA954193A CA156,142A CA156142A CA954193A CA 954193 A CA954193 A CA 954193A CA 156142 A CA156142 A CA 156142A CA 954193 A CA954193 A CA 954193A
Authority
CA
Canada
Prior art keywords
tuned circuit
utilizing high
case hardening
hardening method
arrangement utilizing
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
CA156,142A
Other languages
English (en)
Other versions
CA156142S (en
Inventor
Frank Frungel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA954193A publication Critical patent/CA954193A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/36Coil arrangements
    • H05B6/42Cooling of coils
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06Surface hardening
    • C21D1/09Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Induction Heating (AREA)
CA156,142A 1972-02-12 1972-11-10 Case hardening method and arrangement utilizing high q tuned circuit Expired CA954193A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2206816A DE2206816C3 (de) 1972-02-12 1972-02-12 Vorrichtung zum Erzeugen extrem feinkörniger metallischer Oberflächengefüge

Publications (1)

Publication Number Publication Date
CA954193A true CA954193A (en) 1974-09-03

Family

ID=5835886

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,142A Expired CA954193A (en) 1972-02-12 1972-11-10 Case hardening method and arrangement utilizing high q tuned circuit

Country Status (5)

Country Link
US (1) US3806690A (pt)
JP (1) JPS5517473B2 (pt)
CA (1) CA954193A (pt)
CH (1) CH568394A5 (pt)
DE (1) DE2206816C3 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109127A (en) * 1973-07-25 1978-08-22 Frank Frungel Apparatus and method for case hardening steel tools by application of heating pulses
US4859940A (en) * 1987-09-09 1989-08-22 Westinghouse Electric Corp. Apparatus for detecting onset of slag entrainment in a molten metal stream
JP2633792B2 (ja) * 1993-03-31 1997-07-23 本田技研工業株式会社 高周波加熱方法および装置
US20090250440A1 (en) * 2008-04-04 2009-10-08 Yap Tze-Yee Ryan Out-of-phase electrical welder and process
DE102009058232A1 (de) * 2009-12-14 2011-06-16 Mazac, Karel, Prof. Dr.-Ing. Verfahren und Vorrichtung zur ortsgebundenen Gefügeumwandlung an elektrisch, leitenden, flächigen oder längsgezogenen Strukturen hinsichtlich Festigkeitserhöhung

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075211B (de) * 1960-02-11 Körting Radio Werke GmbH Grassau (Chiemgau) Schwingkreis fur Hochfrequenz Indu stricgeneratoren
US1909982A (en) * 1930-07-09 1933-05-23 Rogers Radio Tubes Ltd Induction furnace
US2416172A (en) * 1943-04-27 1947-02-18 Westinghouse Electric Corp High-frequency induction heating system
US2462903A (en) * 1945-05-07 1949-03-01 Standard Telephones Cables Ltd Oscillator generator
US2482493A (en) * 1945-10-03 1949-09-20 Rca Corp Oscillation generator control circuit
US2799760A (en) * 1952-12-03 1957-07-16 Fruengel Frank Method and device for high-frequency soldering and induction hardening
DE1010627B (de) * 1955-08-02 1957-06-19 Siemens Ag Anordnung fuer selbsterregte Hochfrequenz-Generatoren zum Behandeln von Stoffen im Hochfrequenzfeld
US2930724A (en) * 1958-01-27 1960-03-29 Magnetic Heating Corp Process for induction heating and quenching of metal
AT235884B (de) * 1959-08-28 1964-09-25 Wuester & Co Verfahren zur Härtung von Eisen-Kohlenstoff-Legierungen
US3118999A (en) * 1961-08-14 1964-01-21 Halm Instrument Co Dielectric heating means
US3259527A (en) * 1963-10-21 1966-07-05 Midland Ross Corp Electric heating elements for carburizing atmospheres
US3375468A (en) * 1964-08-12 1968-03-26 Park Ohio Industries Inc Control device for an industrial heating oscillator
CH436363A (de) * 1964-09-02 1967-05-31 Patelhold Patentverwertung Einrichtung zum induktiven Vorschubhärten der Zähne an einem Sägezahnband
US3398444A (en) * 1966-01-18 1968-08-27 Trw Inc Hard tooth gears and method of making
US3403241A (en) * 1966-08-22 1968-09-24 Ohio Crankshaft Co Induction heating element
US3622138A (en) * 1969-09-16 1971-11-23 Park Ohio Industries Inc Control device for induction heating
DE1957884C2 (de) * 1969-11-18 1974-05-16 Frank Dr.-Ing. Zuerich Fruengel (Schweiz) Verfahren zum Erzeugen extrem feinkörniger metallischer Oberflächengefüge
US3637970A (en) * 1970-07-06 1972-01-25 Ronald J Cunningham Induction heating apparatus

Also Published As

Publication number Publication date
DE2206816C3 (de) 1981-12-10
JPS4889811A (pt) 1973-11-24
DE2206816A1 (de) 1973-08-16
DE2206816B2 (de) 1977-06-23
CH568394A5 (pt) 1975-10-31
JPS5517473B2 (pt) 1980-05-12
US3806690A (en) 1974-04-23

Similar Documents

Publication Publication Date Title
CA992219A (en) Dielectrically isolated complementary circuit elements and method
CA1010971A (en) Electronic time keeping system
CA1000811A (en) Current-canceling circuit
MY7800076A (en) Solid state electronic timepiece
CA981591A (en) Muting circuit
MY7800411A (en) Solid state electronic timepiece
CA991746A (en) Signalling processing methods and circuit arrangements
CA986726A (en) Electronic wristwatch
ZA737796B (en) Antenna winshields and method of producing the same
CA986025A (en) Muting circuit
CA1002606A (en) Muting circuit
CA954193A (en) Case hardening method and arrangement utilizing high q tuned circuit
CA986995A (en) Crowbar circuit
GB1441794A (en) True and complement generator circuit
CA988218A (en) Interval counting circuit and method
CA962352A (en) Variable electronic component
CA996208A (en) Frequency selective circuit arrangement
CA1015426A (en) Low noise electronic circuit, transducer using the same, and method
CA907720A (en) Device and method
CA913787A (en) Semiconductor structure having complementary devices and method
CA1027780A (en) Heat-treating method
CA903856A (en) Frequency dividing circuit
AU478044B2 (en) High frequency electronic switch
CA883778A (en) Ammoniacal etching solution and method utilizing same
CA855854A (en) Tuned circuit arrangements