JPS6350510B2 - - Google Patents

Info

Publication number
JPS6350510B2
JPS6350510B2 JP59026953A JP2695384A JPS6350510B2 JP S6350510 B2 JPS6350510 B2 JP S6350510B2 JP 59026953 A JP59026953 A JP 59026953A JP 2695384 A JP2695384 A JP 2695384A JP S6350510 B2 JPS6350510 B2 JP S6350510B2
Authority
JP
Japan
Prior art keywords
cutter
excavation
bit
rock
cutter blade
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
JP59026953A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60173285A (ja
Inventor
Kimihiko Terada
Takekazu Baba
Masayuki Ookochi
Shuichi Ajiro
Masami Wada
Yasuaki Ishikawa
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.)
Taisei Corp
Hitachi Construction Machinery Co Ltd
Original Assignee
Taisei Corp
Hitachi Construction Machinery Co Ltd
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 Taisei Corp, Hitachi Construction Machinery Co Ltd filed Critical Taisei Corp
Priority to JP2695384A priority Critical patent/JPS60173285A/ja
Publication of JPS60173285A publication Critical patent/JPS60173285A/ja
Publication of JPS6350510B2 publication Critical patent/JPS6350510B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP2695384A 1984-02-17 1984-02-17 岩盤掘削ビツト Granted JPS60173285A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2695384A JPS60173285A (ja) 1984-02-17 1984-02-17 岩盤掘削ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2695384A JPS60173285A (ja) 1984-02-17 1984-02-17 岩盤掘削ビツト

Publications (2)

Publication Number Publication Date
JPS60173285A JPS60173285A (ja) 1985-09-06
JPS6350510B2 true JPS6350510B2 (enrdf_load_stackoverflow) 1988-10-11

Family

ID=12207519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2695384A Granted JPS60173285A (ja) 1984-02-17 1984-02-17 岩盤掘削ビツト

Country Status (1)

Country Link
JP (1) JPS60173285A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63176190U (enrdf_load_stackoverflow) * 1986-12-02 1988-11-15
JPH0431348Y2 (enrdf_load_stackoverflow) * 1987-07-24 1992-07-28
JP4502480B2 (ja) * 2000-08-21 2010-07-14 清水建設株式会社 掘削工具、及び、耐摩耗性部材
DE102014112964A1 (de) * 2014-09-09 2016-03-10 Betek Gmbh & Co. Kg Meißel, insbesondere Rundschaftmeißel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636390B2 (enrdf_load_stackoverflow) * 1973-04-30 1981-08-24
JPS52139301A (en) * 1976-05-17 1977-11-21 Mitsubishi Electric Corp Tuning system
DE2639958C2 (de) * 1976-09-04 1986-03-06 G. Lufft Mess- und Regeltechnik GmbH, 7000 Stuttgart Vorrichtung zur Überprüfung von Hygrometern oder Hygrostaten
JPS57101197A (en) * 1980-12-16 1982-06-23 Mitsubishi Heavy Ind Ltd Insulation work of low temperature tank roof inside
JPS5816297A (ja) * 1981-07-22 1983-01-29 ソニー株式会社 音声合成方式
JPS6062595A (ja) * 1984-07-27 1985-04-10 Hitachi Ltd 積層形熱交換器

Also Published As

Publication number Publication date
JPS60173285A (ja) 1985-09-06

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