DE2426580A1 - - Google Patents

Info

Publication number
DE2426580A1
DE2426580A1 DE19742426580 DE2426580A DE2426580A1 DE 2426580 A1 DE2426580 A1 DE 2426580A1 DE 19742426580 DE19742426580 DE 19742426580 DE 2426580 A DE2426580 A DE 2426580A DE 2426580 A1 DE2426580 A1 DE 2426580A1
Authority
DE
Germany
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.)
Granted
Application number
DE19742426580
Other languages
German (de)
Other versions
DE2426580B1 (de
DE2426580C2 (de
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.)
SILLER, VINZENZ, 2000 HAMBURG, DE
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
Priority to DE19742426580 priority Critical patent/DE2426580C2/de
Priority claimed from DE19742426580 external-priority patent/DE2426580C2/de
Priority to US05/581,746 priority patent/US4030711A/en
Priority to BE156881A priority patent/BE829706A/xx
Publication of DE2426580B1 publication Critical patent/DE2426580B1/de
Publication of DE2426580A1 publication Critical patent/DE2426580A1/de
Application granted granted Critical
Publication of DE2426580C2 publication Critical patent/DE2426580C2/de
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
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • 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
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes

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)
  • Heat Treatment Of Articles (AREA)
DE19742426580 1974-05-31 1974-05-31 Verfahren und Vorrichtung zum Oberflächenhärten der inneren Oberfläche von Rohrbögen Expired DE2426580C2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19742426580 DE2426580C2 (de) 1974-05-31 Verfahren und Vorrichtung zum Oberflächenhärten der inneren Oberfläche von Rohrbögen
US05/581,746 US4030711A (en) 1974-05-31 1975-05-29 Method and apparatus for the surface hardening of the inner surface of tube bends
BE156881A BE829706A (fr) 1974-05-31 1975-05-30 Procede et appareil pour la trempe superficielle de la surface inerieure p 24 26 580.3

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742426580 DE2426580C2 (de) 1974-05-31 Verfahren und Vorrichtung zum Oberflächenhärten der inneren Oberfläche von Rohrbögen

Publications (3)

Publication Number Publication Date
DE2426580B1 DE2426580B1 (de) 1975-10-30
DE2426580A1 true DE2426580A1 (fi) 1975-10-30
DE2426580C2 DE2426580C2 (de) 1976-08-12

Family

ID=

Also Published As

Publication number Publication date
DE2426580B1 (de) 1975-10-30
BE829706A (fr) 1975-09-15

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8327 Change in the person/name/address of the patent owner

Owner name: SILLER, VINZENZ, 2000 HAMBURG, DE

8339 Ceased/non-payment of the annual fee