JPS598893A - 穿孔方法 - Google Patents

穿孔方法

Info

Publication number
JPS598893A
JPS598893A JP11578382A JP11578382A JPS598893A JP S598893 A JPS598893 A JP S598893A JP 11578382 A JP11578382 A JP 11578382A JP 11578382 A JP11578382 A JP 11578382A JP S598893 A JPS598893 A JP S598893A
Authority
JP
Japan
Prior art keywords
drilling
small holes
hole
row
holes
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.)
Granted
Application number
JP11578382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS631437B2 (enrdf_load_stackoverflow
Inventor
小篠　昇
田辺　公二
一夫 羽賀
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.)
Yamamoto Engineering Works Co Ltd
Original Assignee
Yamamoto Engineering Works 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 Yamamoto Engineering Works Co Ltd filed Critical Yamamoto Engineering Works Co Ltd
Priority to JP11578382A priority Critical patent/JPS598893A/ja
Publication of JPS598893A publication Critical patent/JPS598893A/ja
Publication of JPS631437B2 publication Critical patent/JPS631437B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP11578382A 1982-07-02 1982-07-02 穿孔方法 Granted JPS598893A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11578382A JPS598893A (ja) 1982-07-02 1982-07-02 穿孔方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11578382A JPS598893A (ja) 1982-07-02 1982-07-02 穿孔方法

Publications (2)

Publication Number Publication Date
JPS598893A true JPS598893A (ja) 1984-01-18
JPS631437B2 JPS631437B2 (enrdf_load_stackoverflow) 1988-01-12

Family

ID=14670947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11578382A Granted JPS598893A (ja) 1982-07-02 1982-07-02 穿孔方法

Country Status (1)

Country Link
JP (1) JPS598893A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010255271A (ja) * 2009-04-24 2010-11-11 Sanritsu:Kk 既設マンホールのインバート撤去方法
JP2021193236A (ja) * 2020-06-08 2021-12-23 株式会社大林組 コア採取方法及び注入機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010255271A (ja) * 2009-04-24 2010-11-11 Sanritsu:Kk 既設マンホールのインバート撤去方法
JP2021193236A (ja) * 2020-06-08 2021-12-23 株式会社大林組 コア採取方法及び注入機

Also Published As

Publication number Publication date
JPS631437B2 (enrdf_load_stackoverflow) 1988-01-12

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