FR872778A - Quenching tank, intended in particular for the improvement treatment of special steels - Google Patents

Quenching tank, intended in particular for the improvement treatment of special steels

Info

Publication number
FR872778A
FR872778A FR872778DA FR872778A FR 872778 A FR872778 A FR 872778A FR 872778D A FR872778D A FR 872778DA FR 872778 A FR872778 A FR 872778A
Authority
FR
France
Prior art keywords
intended
quenching tank
improvement treatment
special steels
steels
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
Other languages
French (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.)
Kohle und Eisenforschung GmbH
Original Assignee
Kohle und Eisenforschung GmbH
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 Kohle und Eisenforschung GmbH filed Critical Kohle und Eisenforschung GmbH
Application granted granted Critical
Publication of FR872778A publication Critical patent/FR872778A/en
Expired legal-status Critical Current

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/44—Methods of heating in heat-treatment baths
    • C21D1/46—Salt baths

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR872778D 1939-08-28 1941-05-30 Quenching tank, intended in particular for the improvement treatment of special steels Expired FR872778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE872778X 1939-08-28

Publications (1)

Publication Number Publication Date
FR872778A true FR872778A (en) 1942-06-18

Family

ID=6816127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR872778D Expired FR872778A (en) 1939-08-28 1941-05-30 Quenching tank, intended in particular for the improvement treatment of special steels

Country Status (1)

Country Link
FR (1) FR872778A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2247905A1 (en) * 1972-03-09 1973-09-20 Casio Computer Co Ltd BUTTONS ARRANGEMENT

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2247905A1 (en) * 1972-03-09 1973-09-20 Casio Computer Co Ltd BUTTONS ARRANGEMENT
US3842230A (en) * 1972-03-09 1974-10-15 Casio Computer Co Ltd Pushbutton switch with coil spring contact

Similar Documents

Publication Publication Date Title
FR844317A (en) Improvements in the treatment of skins for furs
BE368669A (en) Guiding device for the treatment of the body.
FR872778A (en) Quenching tank, intended in particular for the improvement treatment of special steels
FR773654A (en) Improvements in the treatment of olefinic hydrocarbons
FR855252A (en) Process for wastewater treatment
FR800003A (en) Refining process for steels
FR731829A (en) Foam concentrate for the treatment of liquids, water, in particular with a sterilization agent such as ozonated air
FR801785A (en) Improvements in the treatment of corks
FR858096A (en) Hardening process for steel and other alloys
FR738108A (en) Improvement in sewage treatment
FR713264A (en) Sewage sludge treatment improvements
FR821757A (en) Quenching process for gold or silver alloys
FR781482A (en) Improvement in the spraying method of mixtures for the treatment of trees or shrubs
FR747074A (en) Improvements to the steel improvement process
FR859677A (en) Special superstructure steels, having very advantageous physical properties
FR759936A (en) Cupric composition for the treatment of plants
FR787996A (en) Improvements in the treatment of easily oxidizable alloys
FR687717A (en) Tank for skin treatment
FR788369A (en) Device for sewage treatment
FR44293E (en) Process for refining metals or alloys, applicable in particular to the dephosphorization and optionally to the deoxidation of steels
FR765183A (en) Process for refining metals or alloys, applicable in particular to the dephosphorization and optionally to the deoxidation of steels
ES146538A1 (en) Improvements in the manufacture of austenitic steels.
CH208902A (en) Spray device for the treatment of plants.
FR793481A (en) Sewage treatment process
FR768839A (en) Device for the treatment of liquids, in particular water, by ozone