JPH0238911Y2 - - Google Patents

Info

Publication number
JPH0238911Y2
JPH0238911Y2 JP1987059121U JP5912187U JPH0238911Y2 JP H0238911 Y2 JPH0238911 Y2 JP H0238911Y2 JP 1987059121 U JP1987059121 U JP 1987059121U JP 5912187 U JP5912187 U JP 5912187U JP H0238911 Y2 JPH0238911 Y2 JP H0238911Y2
Authority
JP
Japan
Prior art keywords
workpiece
center
hardening
center hole
hole
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
JP1987059121U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63167157U (US06265458-20010724-C00056.png
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 JP1987059121U priority Critical patent/JPH0238911Y2/ja
Publication of JPS63167157U publication Critical patent/JPS63167157U/ja
Application granted granted Critical
Publication of JPH0238911Y2 publication Critical patent/JPH0238911Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Heat Treatment Of Articles (AREA)
JP1987059121U 1987-04-17 1987-04-17 Expired JPH0238911Y2 (US06265458-20010724-C00056.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987059121U JPH0238911Y2 (US06265458-20010724-C00056.png) 1987-04-17 1987-04-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987059121U JPH0238911Y2 (US06265458-20010724-C00056.png) 1987-04-17 1987-04-17

Publications (2)

Publication Number Publication Date
JPS63167157U JPS63167157U (US06265458-20010724-C00056.png) 1988-10-31
JPH0238911Y2 true JPH0238911Y2 (US06265458-20010724-C00056.png) 1990-10-19

Family

ID=30890318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987059121U Expired JPH0238911Y2 (US06265458-20010724-C00056.png) 1987-04-17 1987-04-17

Country Status (1)

Country Link
JP (1) JPH0238911Y2 (US06265458-20010724-C00056.png)

Also Published As

Publication number Publication date
JPS63167157U (US06265458-20010724-C00056.png) 1988-10-31

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