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
Links
- 230000007935 neutral effect Effects 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000005553 drilling Methods 0.000 description 25
- 238000010276 construction Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
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 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122310U (enrdf_load_stackoverflow) * | 1981-01-22 | 1982-07-30 | ||
| JPH0248175Y2 (enrdf_load_stackoverflow) * | 1986-09-05 | 1990-12-18 |
-
1989
- 1989-10-12 JP JP1989119272U patent/JP2524645Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0359114U (enrdf_load_stackoverflow) | 1991-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |