FR677967A - A method of making cut-resistant irons, such as press-nut irons, irons for automatic lathe machining, screw irons and the like - Google Patents

A method of making cut-resistant irons, such as press-nut irons, irons for automatic lathe machining, screw irons and the like

Info

Publication number
FR677967A
FR677967A FR677967DA FR677967A FR 677967 A FR677967 A FR 677967A FR 677967D A FR677967D A FR 677967DA FR 677967 A FR677967 A FR 677967A
Authority
FR
France
Prior art keywords
irons
nut
press
screw
resistant
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)
Inventor
Friedrich Borggrafe
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 filed Critical
Application granted granted Critical
Publication of FR677967A publication Critical patent/FR677967A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR677967D 1928-08-29 1929-07-06 A method of making cut-resistant irons, such as press-nut irons, irons for automatic lathe machining, screw irons and the like Expired FR677967A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE677967X 1928-08-29

Publications (1)

Publication Number Publication Date
FR677967A true FR677967A (en) 1930-03-17

Family

ID=6594220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677967D Expired FR677967A (en) 1928-08-29 1929-07-06 A method of making cut-resistant irons, such as press-nut irons, irons for automatic lathe machining, screw irons and the like

Country Status (1)

Country Link
FR (1) FR677967A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2789069A (en) * 1954-09-30 1957-04-16 Lasalle Steel Co Method for improving the machinability of steel
US2858243A (en) * 1953-11-06 1958-10-28 Lasalle Steel Co Process for production of improved free machining steels
US2908565A (en) * 1956-08-29 1959-10-13 Continental Copper & Steel Ind High temperature alloy

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858243A (en) * 1953-11-06 1958-10-28 Lasalle Steel Co Process for production of improved free machining steels
US2789069A (en) * 1954-09-30 1957-04-16 Lasalle Steel Co Method for improving the machinability of steel
US2908565A (en) * 1956-08-29 1959-10-13 Continental Copper & Steel Ind High temperature alloy

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