JPH0146758B2 - - Google Patents

Info

Publication number
JPH0146758B2
JPH0146758B2 JP16279480A JP16279480A JPH0146758B2 JP H0146758 B2 JPH0146758 B2 JP H0146758B2 JP 16279480 A JP16279480 A JP 16279480A JP 16279480 A JP16279480 A JP 16279480A JP H0146758 B2 JPH0146758 B2 JP H0146758B2
Authority
JP
Japan
Prior art keywords
main pipe
hole
drilling
hole saw
branch
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
JP16279480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5786691A (en
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 JP16279480A priority Critical patent/JPS5786691A/ja
Publication of JPS5786691A publication Critical patent/JPS5786691A/ja
Publication of JPH0146758B2 publication Critical patent/JPH0146758B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Branch Pipes, Bends, And The Like (AREA)
JP16279480A 1980-11-18 1980-11-18 Method for drilling branched interconnecting hole to main pipe and split coupling therefor Granted JPS5786691A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16279480A JPS5786691A (en) 1980-11-18 1980-11-18 Method for drilling branched interconnecting hole to main pipe and split coupling therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16279480A JPS5786691A (en) 1980-11-18 1980-11-18 Method for drilling branched interconnecting hole to main pipe and split coupling therefor

Publications (2)

Publication Number Publication Date
JPS5786691A JPS5786691A (en) 1982-05-29
JPH0146758B2 true JPH0146758B2 (OSRAM) 1989-10-11

Family

ID=15761328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16279480A Granted JPS5786691A (en) 1980-11-18 1980-11-18 Method for drilling branched interconnecting hole to main pipe and split coupling therefor

Country Status (1)

Country Link
JP (1) JPS5786691A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60201193A (ja) * 1984-03-24 1985-10-11 矢野技研株式会社 流体輸送管用穿孔装置
JPS6117591U (ja) * 1984-07-06 1986-02-01 株式会社 大崎精密工具製作所 支管を水平方向に取り出すための継手
JP4780663B2 (ja) * 2006-06-20 2011-09-28 日立金属株式会社 合成樹脂管用活管分岐継手

Also Published As

Publication number Publication date
JPS5786691A (en) 1982-05-29

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