JPS6136379Y2 - - Google Patents
Info
- Publication number
- JPS6136379Y2 JPS6136379Y2 JP2952080U JP2952080U JPS6136379Y2 JP S6136379 Y2 JPS6136379 Y2 JP S6136379Y2 JP 2952080 U JP2952080 U JP 2952080U JP 2952080 U JP2952080 U JP 2952080U JP S6136379 Y2 JPS6136379 Y2 JP S6136379Y2
- Authority
- JP
- Japan
- Prior art keywords
- core
- cylindrical body
- tail plug
- ink
- backflow prevention
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 31
- 230000002265 prevention Effects 0.000 claims description 30
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
Landscapes
- Pens And Brushes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2952080U JPS6136379Y2 (en(2012)) | 1980-03-07 | 1980-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2952080U JPS6136379Y2 (en(2012)) | 1980-03-07 | 1980-03-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56130868U JPS56130868U (en(2012)) | 1981-10-05 |
| JPS6136379Y2 true JPS6136379Y2 (en(2012)) | 1986-10-22 |
Family
ID=29625406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2952080U Expired JPS6136379Y2 (en(2012)) | 1980-03-07 | 1980-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6136379Y2 (en(2012)) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0541905Y2 (en(2012)) * | 1987-02-20 | 1993-10-22 | ||
| JP5258430B2 (ja) * | 2008-07-18 | 2013-08-07 | 株式会社パイロットコーポレーション | ボールペン |
-
1980
- 1980-03-07 JP JP2952080U patent/JPS6136379Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56130868U (en(2012)) | 1981-10-05 |
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