JPH02112491U - - Google Patents
Info
- Publication number
- JPH02112491U JPH02112491U JP2162289U JP2162289U JPH02112491U JP H02112491 U JPH02112491 U JP H02112491U JP 2162289 U JP2162289 U JP 2162289U JP 2162289 U JP2162289 U JP 2162289U JP H02112491 U JPH02112491 U JP H02112491U
- Authority
- JP
- Japan
- Prior art keywords
- protrusion
- sharpening pencil
- high hardness
- protection tube
- utility
- 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.)
- Pending
Links
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2162289U JPH02112491U (ko) | 1989-02-27 | 1989-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2162289U JPH02112491U (ko) | 1989-02-27 | 1989-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02112491U true JPH02112491U (ko) | 1990-09-07 |
Family
ID=31239022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2162289U Pending JPH02112491U (ko) | 1989-02-27 | 1989-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02112491U (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001026915A1 (fr) * | 1999-10-15 | 2001-04-19 | Pentel Kabushiki Kaisha | Porte-mine et procede de production de son element de protection de la mine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56118898A (en) * | 1980-02-25 | 1981-09-18 | Ito Masasuke | Method and device for effectively using propelling pencil lead |
| JPS58203099A (ja) * | 1982-05-22 | 1983-11-26 | 鷹尾 信博 | ノツク式シヤ−プペンシル |
-
1989
- 1989-02-27 JP JP2162289U patent/JPH02112491U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56118898A (en) * | 1980-02-25 | 1981-09-18 | Ito Masasuke | Method and device for effectively using propelling pencil lead |
| JPS58203099A (ja) * | 1982-05-22 | 1983-11-26 | 鷹尾 信博 | ノツク式シヤ−プペンシル |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001026915A1 (fr) * | 1999-10-15 | 2001-04-19 | Pentel Kabushiki Kaisha | Porte-mine et procede de production de son element de protection de la mine |