JPS6213681U - - Google Patents
Info
- Publication number
- JPS6213681U JPS6213681U JP9357686U JP9357686U JPS6213681U JP S6213681 U JPS6213681 U JP S6213681U JP 9357686 U JP9357686 U JP 9357686U JP 9357686 U JP9357686 U JP 9357686U JP S6213681 U JPS6213681 U JP S6213681U
- Authority
- JP
- Japan
- Prior art keywords
- center hole
- pipe
- ball
- ink
- gap
- 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
- 239000002184 metal Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Landscapes
- Pens And Brushes (AREA)
Description
第１図は本考案のボールペンチツプの正面図で
あり、第２図は第１図のボールペンチツプの縦断
面図であり、第３図は第２図のＡ―Ａ線に沿つた
横断面図であり、第４図はボール及びインキ誘導
芯を省略した、第３図のＢ―Ｂ線に沿つた縦断面
図である。
１……ボール、２……パイプ、３……凹部、３
′……突出部、４……中心孔、５……間隙、６…
…インキ誘導芯、７……突出部前面、８……突出
部後面。
FIG. 1 is a front view of the ballpoint pen tip of the present invention, FIG. 2 is a longitudinal cross-sectional view of the ballpoint pen tip of FIG. 1, and FIG. 3 is a cross-sectional view taken along line A--A of FIG. FIG. 4 is a longitudinal sectional view taken along line BB in FIG. 3, with the ball and ink guide core omitted. 1...ball, 2...pipe, 3...recess, 3
'... Protrusion, 4... Center hole, 5... Gap, 6...
...Ink guide core, 7...Front surface of protrusion, 8...Rear surface of protrusion.
Claims (1)
側面数ケ所より求心方向に押圧変形してボール受
座となる凹部を形成し、前記パイプ端部を曲げ加
工してボールを抱持してなるボールペンチツプに
おいて、前記凹部３はパイプ内部においては軸心
に毛細管サイズの径の中心孔４を残して軸心に向
かつて突出している山形の突出部３′となつてお
り、該突出部間には前記中心孔に連通して中心孔
の径にほぼ等しいか、より狭い幅の間隙５が形成
されており、前記パイプのボールと反対側の端部
から前記中心孔より大径の端面を有する棒状のイ
ンキ誘導芯６が前記端面を前記突出部の後面８に
当接してパイプ内に挿入されていて、インキ誘導
芯の前記端面とボールとの間に中心孔４と間隙５
がインキ溜及びインキ通路として軸方向に僅かに
維持されてなる水性インキ用ボールペンチツプ。 Near the end of the metal pipe, several locations on the outer surface at approximately the same axial position are pressed and deformed in the centripetal direction to form a recess that serves as a ball receiving seat, and the pipe end is bent to hold the ball. In the ballpoint pen tip, the recess 3 is a chevron-shaped protrusion 3' that protrudes toward the axis leaving a center hole 4 with a capillary-sized diameter at the axis inside the pipe, and there is a gap between the protrusions. A gap 5 with a width that is approximately equal to or narrower than the diameter of the center hole is formed in communication with the center hole, and an end face having a larger diameter than the center hole is formed from the end of the pipe opposite to the ball. A rod-shaped ink guide wick 6 is inserted into the pipe with the end surface in contact with the rear surface 8 of the protrusion, and there is a center hole 4 and a gap 5 between the end surface of the ink guide wick and the ball.
A ballpoint pen tip for water-based ink in which the ink reservoir and ink passage are maintained slightly in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986093576U JPS641101Y2 (en) | 1986-06-19 | 1986-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986093576U JPS641101Y2 (en) | 1986-06-19 | 1986-06-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6213681U true JPS6213681U (en) | 1987-01-27 |
| JPS641101Y2 JPS641101Y2 (en) | 1989-01-11 |
Family
ID=30956268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986093576U Expired JPS641101Y2 (en) | 1986-06-19 | 1986-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641101Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001310581A (en) * | 2000-04-28 | 2001-11-06 | Pilot Ink Co Ltd | Ballpoint pen tip |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3162941A (en) * | 1963-01-04 | 1964-12-29 | Cross Co A T | Method of making ball point writing instrument |
| JPS486584U (en) * | 1971-06-05 | 1973-01-25 | ||
| JPS50120542U (en) * | 1974-03-15 | 1975-10-02 |
-
1986
- 1986-06-19 JP JP1986093576U patent/JPS641101Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3162941A (en) * | 1963-01-04 | 1964-12-29 | Cross Co A T | Method of making ball point writing instrument |
| JPS486584U (en) * | 1971-06-05 | 1973-01-25 | ||
| JPS50120542U (en) * | 1974-03-15 | 1975-10-02 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001310581A (en) * | 2000-04-28 | 2001-11-06 | Pilot Ink Co Ltd | Ballpoint pen tip |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS641101Y2 (en) | 1989-01-11 |
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