JPH0428080B2 - - Google Patents

Info

Publication number
JPH0428080B2
JPH0428080B2 JP1532788A JP1532788A JPH0428080B2 JP H0428080 B2 JPH0428080 B2 JP H0428080B2 JP 1532788 A JP1532788 A JP 1532788A JP 1532788 A JP1532788 A JP 1532788A JP H0428080 B2 JPH0428080 B2 JP H0428080B2
Authority
JP
Japan
Prior art keywords
tube
rock
wedge
crushing
rocks
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
JP1532788A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01190892A (ja
Inventor
Koji Kyosaki
Masataka Kinoshita
Akyoshi Hasegawa
Norimasa Takahashi
Tatsuhiro Furunaga
Yoichi Tsutaya
Yutaka Iwasaki
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
Okumuragumi KK
Original Assignee
Nippon Steel Corp
Okumuragumi KK
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, Okumuragumi KK filed Critical Nippon Steel Corp
Priority to JP1532788A priority Critical patent/JPH01190892A/ja
Publication of JPH01190892A publication Critical patent/JPH01190892A/ja
Publication of JPH0428080B2 publication Critical patent/JPH0428080B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP1532788A 1988-01-25 1988-01-25 岩石等の破砕方法 Granted JPH01190892A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1532788A JPH01190892A (ja) 1988-01-25 1988-01-25 岩石等の破砕方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1532788A JPH01190892A (ja) 1988-01-25 1988-01-25 岩石等の破砕方法

Publications (2)

Publication Number Publication Date
JPH01190892A JPH01190892A (ja) 1989-07-31
JPH0428080B2 true JPH0428080B2 (en]) 1992-05-13

Family

ID=11885679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1532788A Granted JPH01190892A (ja) 1988-01-25 1988-01-25 岩石等の破砕方法

Country Status (1)

Country Link
JP (1) JPH01190892A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110227597A (zh) * 2019-06-06 2019-09-13 山东省路桥集团有限公司 多级岩石扩张器及进行破石的方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7257891B2 (ja) * 2019-06-19 2023-04-14 株式会社奥村組 掘削可能な対象物への凹所形成方法
JP7257890B2 (ja) * 2019-06-19 2023-04-14 株式会社奥村組 掘削可能な対象物への凹所形成方法
JP7233314B2 (ja) * 2019-06-19 2023-03-06 株式会社奥村組 掘削可能な対象物への凹所形成方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110227597A (zh) * 2019-06-06 2019-09-13 山东省路桥集团有限公司 多级岩石扩张器及进行破石的方法
CN110227597B (zh) * 2019-06-06 2021-05-18 山东省路桥集团有限公司 多级岩石扩张器及进行破石的方法

Also Published As

Publication number Publication date
JPH01190892A (ja) 1989-07-31

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