JPS5524962A - Metal strip heat treatment equipment - Google Patents

Metal strip heat treatment equipment

Info

Publication number
JPS5524962A
JPS5524962A JP9794278A JP9794278A JPS5524962A JP S5524962 A JPS5524962 A JP S5524962A JP 9794278 A JP9794278 A JP 9794278A JP 9794278 A JP9794278 A JP 9794278A JP S5524962 A JPS5524962 A JP S5524962A
Authority
JP
Japan
Prior art keywords
metal sheet
gas
chambers
nozzles
heating
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.)
Granted
Application number
JP9794278A
Other languages
Japanese (ja)
Other versions
JPS6043893B2 (en
Inventor
Michitoshi Okumura
Hiroshi Ito
Kenji Kawate
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co Ltd
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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP9794278A priority Critical patent/JPS6043893B2/en
Publication of JPS5524962A publication Critical patent/JPS5524962A/en
Publication of JPS6043893B2 publication Critical patent/JPS6043893B2/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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/63—Continuous furnaces for strip or wire the strip being supported by a cushion of gas

Abstract

PURPOSE:To effect uniform metal sheet heating by gas heater, a number of grooved gas return route is spacedly provided to plenum chamber on its face opposing to the metal sheet. CONSTITUTION:Metal sheet 5 to be heat treated is passed through prenum chambers 3,3 in the heating furnace 2. Heated gas is jetted from a number of nozzles 11 in the prenum chambers 3 to heat the metal sheet 5 from both side while floting the metal sheet 5. A number of gas return routes 12 is spacedly installed on the face 3a of the chamber 3 that faces the metal sheet 5. Gas jetted from the nozzles 11 impinges on the metal sheet 5 and flows at uniform velocity V toward both sides of the chambers 3 through end nozzles 10a and the return routes 12. Thus, heat gas flowing on the total area provides uniform metal sheet 5 heating.
JP9794278A 1978-08-11 1978-08-11 Metal strip heat treatment equipment Expired JPS6043893B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9794278A JPS6043893B2 (en) 1978-08-11 1978-08-11 Metal strip heat treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9794278A JPS6043893B2 (en) 1978-08-11 1978-08-11 Metal strip heat treatment equipment

Publications (2)

Publication Number Publication Date
JPS5524962A true JPS5524962A (en) 1980-02-22
JPS6043893B2 JPS6043893B2 (en) 1985-10-01

Family

ID=14205715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9794278A Expired JPS6043893B2 (en) 1978-08-11 1978-08-11 Metal strip heat treatment equipment

Country Status (1)

Country Link
JP (1) JPS6043893B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59193246A (en) * 1983-04-19 1984-11-01 Hitachi Metals Ltd Alloy for magnetic head
JPS59193245A (en) * 1983-04-19 1984-11-01 Hitachi Metals Ltd Alloy for magnetic head
JPS60210317A (en) * 1984-04-04 1985-10-22 Hitachi Metals Ltd Extrusion device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59193246A (en) * 1983-04-19 1984-11-01 Hitachi Metals Ltd Alloy for magnetic head
JPS59193245A (en) * 1983-04-19 1984-11-01 Hitachi Metals Ltd Alloy for magnetic head
JPS60210317A (en) * 1984-04-04 1985-10-22 Hitachi Metals Ltd Extrusion device

Also Published As

Publication number Publication date
JPS6043893B2 (en) 1985-10-01

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