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KR900009778U - Uniform cooling device for heat treatment - Google Patents

Uniform cooling device for heat treatment

Info

Publication number
KR900009778U
KR900009778U KR2019880018253U KR880018253U KR900009778U KR 900009778 U KR900009778 U KR 900009778U KR 2019880018253 U KR2019880018253 U KR 2019880018253U KR 880018253 U KR880018253 U KR 880018253U KR 900009778 U KR900009778 U KR 900009778U
Authority
KR
South Korea
Prior art keywords
heat treatment
cooling device
uniform cooling
uniform
treatment
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
KR2019880018253U
Other languages
Korean (ko)
Other versions
KR910003444Y1 (en
Inventor
한상욱
Original Assignee
삼원공업 주식회사
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 삼원공업 주식회사 filed Critical 삼원공업 주식회사
Priority to KR2019880018253U priority Critical patent/KR910003444Y1/en
Publication of KR900009778U publication Critical patent/KR900009778U/en
Application granted granted Critical
Publication of KR910003444Y1 publication Critical patent/KR910003444Y1/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
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone

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 Treatments In General, Especially Conveying And Cooling (AREA)
KR2019880018253U 1988-11-04 1988-11-04 Cooling device for heat treatment Expired KR910003444Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880018253U KR910003444Y1 (en) 1988-11-04 1988-11-04 Cooling device for heat treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880018253U KR910003444Y1 (en) 1988-11-04 1988-11-04 Cooling device for heat treatment

Publications (2)

Publication Number Publication Date
KR900009778U true KR900009778U (en) 1990-06-01
KR910003444Y1 KR910003444Y1 (en) 1991-05-27

Family

ID=19281249

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880018253U Expired KR910003444Y1 (en) 1988-11-04 1988-11-04 Cooling device for heat treatment

Country Status (1)

Country Link
KR (1) KR910003444Y1 (en)

Also Published As

Publication number Publication date
KR910003444Y1 (en) 1991-05-27

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Legal Events

Date Code Title Description
A201 Request for examination
UA0108 Application for utility model registration

Comment text: Application for Utility Model Registration

Patent event code: UA01011R08D

Patent event date: 19881104

UA0201 Request for examination

Patent event date: 19881104

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

UG1501 Laying open of application
UG1604 Publication of application

Patent event code: UG16041S01I

Comment text: Decision on Publication of Application

Patent event date: 19910429

E701 Decision to grant or registration of patent right
UE0701 Decision of registration

Patent event date: 19910820

Comment text: Decision to Grant Registration

Patent event code: UE07011S01D

REGI Registration of establishment
UR0701 Registration of establishment

Patent event date: 19910829

Patent event code: UR07011E01D

Comment text: Registration of Establishment

UR1002 Payment of registration fee

Start annual number: 1

End annual number: 3

Payment date: 19910829

LAPS Lapse due to unpaid annual fee
UC1903 Unpaid annual fee

Termination date: 19951120

Termination category: Default of registration fee