JP2524645Y2 - 管の穿孔片保持機能を備えたホールソー - Google Patents

管の穿孔片保持機能を備えたホールソー

Info

Publication number
JP2524645Y2
JP2524645Y2 JP1989119272U JP11927289U JP2524645Y2 JP 2524645 Y2 JP2524645 Y2 JP 2524645Y2 JP 1989119272 U JP1989119272 U JP 1989119272U JP 11927289 U JP11927289 U JP 11927289U JP 2524645 Y2 JP2524645 Y2 JP 2524645Y2
Authority
JP
Japan
Prior art keywords
hole saw
pipe
vertical
neutral plane
piece
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 - Lifetime
Application number
JP1989119272U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0359114U (enExample
Inventor
暉隆 尾上
十治 阪井
善昭 南出
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 JP1989119272U priority Critical patent/JP2524645Y2/ja
Publication of JPH0359114U publication Critical patent/JPH0359114U/ja
Application granted granted Critical
Publication of JP2524645Y2 publication Critical patent/JP2524645Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP1989119272U 1989-10-12 1989-10-12 管の穿孔片保持機能を備えたホールソー Expired - Lifetime JP2524645Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989119272U JP2524645Y2 (ja) 1989-10-12 1989-10-12 管の穿孔片保持機能を備えたホールソー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989119272U JP2524645Y2 (ja) 1989-10-12 1989-10-12 管の穿孔片保持機能を備えたホールソー

Publications (2)

Publication Number Publication Date
JPH0359114U JPH0359114U (enExample) 1991-06-11
JP2524645Y2 true JP2524645Y2 (ja) 1997-02-05

Family

ID=31667401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989119272U Expired - Lifetime JP2524645Y2 (ja) 1989-10-12 1989-10-12 管の穿孔片保持機能を備えたホールソー

Country Status (1)

Country Link
JP (1) JP2524645Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5541898B2 (ja) * 2009-10-22 2014-07-09 大阪瓦斯株式会社 材質判定方法及び材質判定装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57122310U (enExample) * 1981-01-22 1982-07-30
JPH0248175Y2 (enExample) * 1986-09-05 1990-12-18

Also Published As

Publication number Publication date
JPH0359114U (enExample) 1991-06-11

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term