JPS5919387U - Shape pencil lead protection tube - Google Patents
Shape pencil lead protection tubeInfo
- Publication number
- JPS5919387U JPS5919387U JP11612082U JP11612082U JPS5919387U JP S5919387 U JPS5919387 U JP S5919387U JP 11612082 U JP11612082 U JP 11612082U JP 11612082 U JP11612082 U JP 11612082U JP S5919387 U JPS5919387 U JP S5919387U
- Authority
- JP
- Japan
- Prior art keywords
- protection tube
- lead protection
- pencil lead
- lead
- shape pencil
- 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
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の実施例を示すもので第１図は本考案より
なる芯保護管を使用してなるシャープペ □ンシルの要
部縦断面図、第２図、第３図は要部拡大せる縦断面図で
ある。
７・・・・・・芯保護管、８・・・・・・大径部、９，
９ａ・・・・・・小径部。The drawings show an embodiment of the present invention. Figure 1 is a longitudinal cross-sectional view of the main part of a mechanical pencil using the lead protection tube of the present invention. Figures 2 and 3 are longitudinal cross-sections of the main part that can be enlarged. It is a front view. 7...Core protection tube, 8...Large diameter part, 9,
9a...Small diameter part.
Claims (1)
において、該芯保護管を使用される芯を遊挿し得る径を
有する大径部と、使用される芯を密挿し得る内径を有す
る小径部とで構成してなることを特徴とするシャープペ
ンシルの芯保護管。In a lead protection tube provided at the tip of a mechanical pencil, the lead protection tube has a large diameter part that has a diameter that allows the lead to be used to be inserted loosely, and a small diameter part that has an inner diameter that allows the lead to be used to be inserted tightly. A mechanical pencil lead protection tube comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11612082U JPS5919387U (en) | 1982-07-30 | 1982-07-30 | Shape pencil lead protection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11612082U JPS5919387U (en) | 1982-07-30 | 1982-07-30 | Shape pencil lead protection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5919387U true JPS5919387U (en) | 1984-02-06 |
Family
ID=30267809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11612082U Pending JPS5919387U (en) | 1982-07-30 | 1982-07-30 | Shape pencil lead protection tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5919387U (en) |
-
1982
- 1982-07-30 JP JP11612082U patent/JPS5919387U/en active Pending
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