JPS5789509A - Core drill - Google Patents

Core drill

Info

Publication number
JPS5789509A
JPS5789509A JP16279580A JP16279580A JPS5789509A JP S5789509 A JPS5789509 A JP S5789509A JP 16279580 A JP16279580 A JP 16279580A JP 16279580 A JP16279580 A JP 16279580A JP S5789509 A JPS5789509 A JP S5789509A
Authority
JP
Japan
Prior art keywords
saw
core
main pipe
port
hole
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
JP16279580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6354482B2 (fr
Inventor
Kojiro Hori
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.)
Osaka Gas Co Ltd
Original Assignee
Osaka Gas 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 Osaka Gas Co Ltd filed Critical Osaka Gas Co Ltd
Priority to JP16279580A priority Critical patent/JPS5789509A/ja
Publication of JPS5789509A publication Critical patent/JPS5789509A/ja
Publication of JPS6354482B2 publication Critical patent/JPS6354482B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Boring (AREA)
JP16279580A 1980-11-18 1980-11-18 Core drill Granted JPS5789509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16279580A JPS5789509A (en) 1980-11-18 1980-11-18 Core drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16279580A JPS5789509A (en) 1980-11-18 1980-11-18 Core drill

Publications (2)

Publication Number Publication Date
JPS5789509A true JPS5789509A (en) 1982-06-03
JPS6354482B2 JPS6354482B2 (fr) 1988-10-28

Family

ID=15761348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16279580A Granted JPS5789509A (en) 1980-11-18 1980-11-18 Core drill

Country Status (1)

Country Link
JP (1) JPS5789509A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60201808A (ja) * 1984-03-24 1985-10-12 Yano Giken Kk 流体輸送管用穿孔装置
JPS6341407U (fr) * 1986-09-05 1988-03-18
JPS63105807A (ja) * 1986-10-22 1988-05-11 Fukudagumi:Kk 小口径管の穿孔工法と穿孔・管接続工法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60201808A (ja) * 1984-03-24 1985-10-12 Yano Giken Kk 流体輸送管用穿孔装置
JPS6341407U (fr) * 1986-09-05 1988-03-18
JPS63105807A (ja) * 1986-10-22 1988-05-11 Fukudagumi:Kk 小口径管の穿孔工法と穿孔・管接続工法

Also Published As

Publication number Publication date
JPS6354482B2 (fr) 1988-10-28

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