JPS6122002B2 - - Google Patents

Info

Publication number
JPS6122002B2
JPS6122002B2 JP9240079A JP9240079A JPS6122002B2 JP S6122002 B2 JPS6122002 B2 JP S6122002B2 JP 9240079 A JP9240079 A JP 9240079A JP 9240079 A JP9240079 A JP 9240079A JP S6122002 B2 JPS6122002 B2 JP S6122002B2
Authority
JP
Japan
Prior art keywords
hole
drilling machine
drill
funnel
shaped guide
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
JP9240079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5616608A (en
Inventor
Katsumi Seki
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP9240079A priority Critical patent/JPS5616608A/ja
Publication of JPS5616608A publication Critical patent/JPS5616608A/ja
Publication of JPS6122002B2 publication Critical patent/JPS6122002B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Blast Furnaces (AREA)
JP9240079A 1979-07-20 1979-07-20 Opening method for tap hole and opening machine for tap hole Granted JPS5616608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9240079A JPS5616608A (en) 1979-07-20 1979-07-20 Opening method for tap hole and opening machine for tap hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9240079A JPS5616608A (en) 1979-07-20 1979-07-20 Opening method for tap hole and opening machine for tap hole

Publications (2)

Publication Number Publication Date
JPS5616608A JPS5616608A (en) 1981-02-17
JPS6122002B2 true JPS6122002B2 (cs) 1986-05-29

Family

ID=14053358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9240079A Granted JPS5616608A (en) 1979-07-20 1979-07-20 Opening method for tap hole and opening machine for tap hole

Country Status (1)

Country Link
JP (1) JPS5616608A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275283A (en) * 1986-08-19 1994-01-04 Fuji Photo Film Co., Ltd. Container for light-sensitive strip materials having improved light sealing means
KR100627465B1 (ko) * 1999-12-28 2006-09-22 주식회사 포스코 고로 출선구의 보호벽 굴착장치

Also Published As

Publication number Publication date
JPS5616608A (en) 1981-02-17

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