JPH0251243U - - Google Patents

Info

Publication number
JPH0251243U
JPH0251243U JP12729588U JP12729588U JPH0251243U JP H0251243 U JPH0251243 U JP H0251243U JP 12729588 U JP12729588 U JP 12729588U JP 12729588 U JP12729588 U JP 12729588U JP H0251243 U JPH0251243 U JP H0251243U
Authority
JP
Japan
Prior art keywords
bit
hollow rod
hole
hollow
vent 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.)
Pending
Application number
JP12729588U
Other languages
English (en)
Japanese (ja)
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 JP12729588U priority Critical patent/JPH0251243U/ja
Publication of JPH0251243U publication Critical patent/JPH0251243U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Blast Furnaces (AREA)
JP12729588U 1988-09-30 1988-09-30 Pending JPH0251243U (US20080094685A1-20080424-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12729588U JPH0251243U (US20080094685A1-20080424-C00004.png) 1988-09-30 1988-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12729588U JPH0251243U (US20080094685A1-20080424-C00004.png) 1988-09-30 1988-09-30

Publications (1)

Publication Number Publication Date
JPH0251243U true JPH0251243U (US20080094685A1-20080424-C00004.png) 1990-04-10

Family

ID=31379599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12729588U Pending JPH0251243U (US20080094685A1-20080424-C00004.png) 1988-09-30 1988-09-30

Country Status (1)

Country Link
JP (1) JPH0251243U (US20080094685A1-20080424-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100338647B1 (ko) * 1997-10-23 2002-08-21 주식회사 포스코 용광로출선구일발개공용이중비트

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62107008A (ja) * 1985-10-31 1987-05-18 Sumitomo Metal Ind Ltd 高炉出銑口開孔機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62107008A (ja) * 1985-10-31 1987-05-18 Sumitomo Metal Ind Ltd 高炉出銑口開孔機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100338647B1 (ko) * 1997-10-23 2002-08-21 주식회사 포스코 용광로출선구일발개공용이중비트

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