FR493309A - Improvements in methods of heat treatment of metal objects - Google Patents

Improvements in methods of heat treatment of metal objects

Info

Publication number
FR493309A
FR493309A FR493309DA FR493309A FR 493309 A FR493309 A FR 493309A FR 493309D A FR493309D A FR 493309DA FR 493309 A FR493309 A FR 493309A
Authority
FR
France
Prior art keywords
methods
heat treatment
metal objects
objects
metal
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.)
Driver Harris Co
Original Assignee
Driver Harris Co
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 Driver Harris Co filed Critical Driver Harris Co
Application granted granted Critical
Publication of FR493309A publication Critical patent/FR493309A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR493309D 1918-02-01 1918-11-25 Improvements in methods of heat treatment of metal objects Expired FR493309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US493309XA 1918-02-01 1918-02-01

Publications (1)

Publication Number Publication Date
FR493309A true FR493309A (en) 1919-08-06

Family

ID=1529068

Family Applications (1)

Application Number Title Priority Date Filing Date
FR493309D Expired FR493309A (en) 1918-02-01 1918-11-25 Improvements in methods of heat treatment of metal objects

Country Status (1)

Country Link
FR (1) FR493309A (en)

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