JPWO2022044154A1 - - Google Patents

Info

Publication number
JPWO2022044154A1
JPWO2022044154A1 JP2021571962A JP2021571962A JPWO2022044154A1 JP WO2022044154 A1 JPWO2022044154 A1 JP WO2022044154A1 JP 2021571962 A JP2021571962 A JP 2021571962A JP 2021571962 A JP2021571962 A JP 2021571962A JP WO2022044154 A1 JPWO2022044154 A1 JP WO2022044154A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021571962A
Other languages
Japanese (ja)
Other versions
JP7176139B2 (ja
JPWO2022044154A5 (it
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
Publication of JPWO2022044154A1 publication Critical patent/JPWO2022044154A1/ja
Publication of JPWO2022044154A5 publication Critical patent/JPWO2022044154A5/ja
Application granted granted Critical
Publication of JP7176139B2 publication Critical patent/JP7176139B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/02—Other methods or devices for dislodging with or without loading by wedges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
JP2021571962A 2020-08-26 2020-08-26 多連式油圧ビッガー割岩工法 Active JP7176139B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/032152 WO2022044154A1 (ja) 2020-08-26 2020-08-26 多連式油圧ビッガー割岩工法

Publications (3)

Publication Number Publication Date
JPWO2022044154A1 true JPWO2022044154A1 (it) 2022-03-03
JPWO2022044154A5 JPWO2022044154A5 (it) 2022-08-05
JP7176139B2 JP7176139B2 (ja) 2022-11-21

Family

ID=80352884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021571962A Active JP7176139B2 (ja) 2020-08-26 2020-08-26 多連式油圧ビッガー割岩工法

Country Status (2)

Country Link
JP (1) JP7176139B2 (it)
WO (1) WO2022044154A1 (it)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095096A (ja) * 1983-10-28 1985-05-28 古河機械金属株式会社 ベンチカツト工法におけるさく孔方式
JPS61242262A (ja) * 1985-04-16 1986-10-28 三菱重工業株式会社 構造物の表層剥離方法
JPS635092U (it) * 1986-06-27 1988-01-13
JP2007083177A (ja) * 2005-09-22 2007-04-05 High Frequency Heattreat Co Ltd 破砕方法および破砕具
KR20160067649A (ko) * 2014-12-04 2016-06-14 박재현 시공 기간 단축을 위한 무진동 할암 방식 터널시공방법
JP2018193678A (ja) * 2017-05-12 2018-12-06 株式会社増岡組 トンネル掘削方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6095096B2 (ja) 2012-10-01 2017-03-15 愛知時計電機株式会社 超音波流量計

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095096A (ja) * 1983-10-28 1985-05-28 古河機械金属株式会社 ベンチカツト工法におけるさく孔方式
JPS61242262A (ja) * 1985-04-16 1986-10-28 三菱重工業株式会社 構造物の表層剥離方法
JPS635092U (it) * 1986-06-27 1988-01-13
JP2007083177A (ja) * 2005-09-22 2007-04-05 High Frequency Heattreat Co Ltd 破砕方法および破砕具
KR20160067649A (ko) * 2014-12-04 2016-06-14 박재현 시공 기간 단축을 위한 무진동 할암 방식 터널시공방법
JP2018193678A (ja) * 2017-05-12 2018-12-06 株式会社増岡組 トンネル掘削方法

Also Published As

Publication number Publication date
JP7176139B2 (ja) 2022-11-21
WO2022044154A1 (ja) 2022-03-03

Similar Documents

Publication Publication Date Title
BR112023005462A2 (it)
BR112023012656A2 (it)
BR112021014123A2 (it)
BR112022024743A2 (it)
BR102021018859A2 (it)
BR102021015500A2 (it)
BR112022009896A2 (it)
BR102021007058A2 (it)
BR112023011738A2 (it)
BR112023016292A2 (it)
BR112023004146A2 (it)
BR112023011610A2 (it)
BR112023011539A2 (it)
BR112023008976A2 (it)
BR112023009656A2 (it)
BR112023006729A2 (it)
BR102021020147A2 (it)
BR102021018926A2 (it)
BR102021015566A2 (it)
BR102021015220A2 (it)
BR102021014056A2 (it)
BR102021014044A2 (it)
BR102021013929A2 (it)
BR112021017747A2 (it)
BR102021012571A2 (it)

Legal Events

Date Code Title Description
A529 Written submission of copy of amendment under article 34 pct

Free format text: JAPANESE INTERMEDIATE CODE: A5211

Effective date: 20211203

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220121

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20221014

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20221109

R150 Certificate of patent or registration of utility model

Ref document number: 7176139

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150