JPH0362758U - - Google Patents
Info
- Publication number
- JPH0362758U JPH0362758U JP12183089U JP12183089U JPH0362758U JP H0362758 U JPH0362758 U JP H0362758U JP 12183089 U JP12183089 U JP 12183089U JP 12183089 U JP12183089 U JP 12183089U JP H0362758 U JPH0362758 U JP H0362758U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- ring
- shaped support
- core drill
- bending moment
- 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
Links
- 238000005452 bending Methods 0.000 claims 3
- 238000005553 drilling Methods 0.000 claims 3
- 239000000463 material Substances 0.000 claims 3
- 239000006061 abrasive grain Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 1
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Drilling And Boring (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989121830U JPH0753941Y2 (ja) | 1989-10-18 | 1989-10-18 | 穿孔装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989121830U JPH0753941Y2 (ja) | 1989-10-18 | 1989-10-18 | 穿孔装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0362758U true JPH0362758U (enrdf_load_stackoverflow) | 1991-06-19 |
JPH0753941Y2 JPH0753941Y2 (ja) | 1995-12-13 |
Family
ID=31669852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989121830U Expired - Lifetime JPH0753941Y2 (ja) | 1989-10-18 | 1989-10-18 | 穿孔装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0753941Y2 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012029666A1 (ja) * | 2010-09-01 | 2012-03-08 | 旭硝子株式会社 | ガラスの孔あけドリル |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4823386U (enrdf_load_stackoverflow) * | 1971-07-26 | 1973-03-16 | ||
JPS54160817U (enrdf_load_stackoverflow) * | 1978-04-28 | 1979-11-10 | ||
JPS5641953U (enrdf_load_stackoverflow) * | 1979-09-10 | 1981-04-17 |
-
1989
- 1989-10-18 JP JP1989121830U patent/JPH0753941Y2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4823386U (enrdf_load_stackoverflow) * | 1971-07-26 | 1973-03-16 | ||
JPS54160817U (enrdf_load_stackoverflow) * | 1978-04-28 | 1979-11-10 | ||
JPS5641953U (enrdf_load_stackoverflow) * | 1979-09-10 | 1981-04-17 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012029666A1 (ja) * | 2010-09-01 | 2012-03-08 | 旭硝子株式会社 | ガラスの孔あけドリル |
Also Published As
Publication number | Publication date |
---|---|
JPH0753941Y2 (ja) | 1995-12-13 |