JPH0299689U - - Google Patents
Info
- Publication number
- JPH0299689U JPH0299689U JP905489U JP905489U JPH0299689U JP H0299689 U JPH0299689 U JP H0299689U JP 905489 U JP905489 U JP 905489U JP 905489 U JP905489 U JP 905489U JP H0299689 U JPH0299689 U JP H0299689U
- Authority
- JP
- Japan
- Prior art keywords
- protection tube
- core protection
- coating
- tip
- circular
- 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
- 230000015572 biosynthetic process Effects 0.000 description 1
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
第１図は、本考案の実施例を示す断面図、第２
図は第１図のＡ―Ａ線拡大断面図、第３図は被膜
形成に利用するピンの外観斜視図、第４図及び第
６図は他の例を示す芯保護管の断面図、第５図及
び第７図はピンの他の実施例を示す外観斜視図で
ある。
３……芯保護管、４……被膜。
Fig. 1 is a sectional view showing an embodiment of the present invention;
The figure is an enlarged sectional view taken along the line A-A in Figure 1, Figure 3 is an external perspective view of the pin used for film formation, Figures 4 and 6 are sectional views of core protection tubes showing other examples, 5 and 7 are external perspective views showing other embodiments of the pin. 3...Core protection tube, 4...Coating.
Claims (1)
あつて、前記芯保護管内面に被膜を形成すること
により内断面形状を非円形状としたことを特徴と
するシヤープペンシル。 What is claimed is: 1. A sharpening pencil having a core protection tube at its tip, characterized in that the inner cross-sectional shape of the core protection tube is made non-circular by forming a coating on the inner surface of the core protection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP905489U JPH0299689U (en) | 1989-01-28 | 1989-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP905489U JPH0299689U (en) | 1989-01-28 | 1989-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0299689U true JPH0299689U (en) | 1990-08-08 |
Family
ID=31215469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP905489U Pending JPH0299689U (en) | 1989-01-28 | 1989-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0299689U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001026915A1 (en) * | 1999-10-15 | 2001-04-19 | Pentel Kabushiki Kaisha | Mechanical pencil and production method for its lead protection member |
| WO2003029021A1 (en) * | 2001-09-28 | 2003-04-10 | Pentel Kabushiki Kaisha | Mechanical pencil |
| JP2003226092A (en) * | 2001-09-28 | 2003-08-12 | Pentel Corp | Lead protection member of propelling pencil |
| JP2003226093A (en) * | 2001-09-28 | 2003-08-12 | Pentel Corp | Propelling pencil |
| JP2014172377A (en) * | 2013-03-12 | 2014-09-22 | Nakayama Kinzoku Kogyo Kk | Lead core insertion holding structure for mechanical pencil |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5832959U (en) * | 1981-08-26 | 1983-03-03 | 株式会社日立製作所 | Water tank for plant cultivation |
-
1989
- 1989-01-28 JP JP905489U patent/JPH0299689U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5832959U (en) * | 1981-08-26 | 1983-03-03 | 株式会社日立製作所 | Water tank for plant cultivation |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001026915A1 (en) * | 1999-10-15 | 2001-04-19 | Pentel Kabushiki Kaisha | Mechanical pencil and production method for its lead protection member |
| WO2003029021A1 (en) * | 2001-09-28 | 2003-04-10 | Pentel Kabushiki Kaisha | Mechanical pencil |
| JP2003226092A (en) * | 2001-09-28 | 2003-08-12 | Pentel Corp | Lead protection member of propelling pencil |
| JP2003226093A (en) * | 2001-09-28 | 2003-08-12 | Pentel Corp | Propelling pencil |
| JP2014172377A (en) * | 2013-03-12 | 2014-09-22 | Nakayama Kinzoku Kogyo Kk | Lead core insertion holding structure for mechanical pencil |