JPH0164480U - - Google Patents
Info
- Publication number
- JPH0164480U JPH0164480U JP1987158731U JP15873187U JPH0164480U JP H0164480 U JPH0164480 U JP H0164480U JP 1987158731 U JP1987158731 U JP 1987158731U JP 15873187 U JP15873187 U JP 15873187U JP H0164480 U JPH0164480 U JP H0164480U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- center
- axis
- grooves
- water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
Landscapes
- Pens And Brushes (AREA)
Description
第１図は本考案の第１実施例を示した一部切欠
断面図、第２図は第１図の切断線Ａ―Ａに沿う断
面平面図、第３図は同じく切断線Ｂ―Ｂに沿う断
面平面図、第４図は本考案の第２実施例を示した
断面平面図、第５図は同じく第３実施例を示した
断面平面図、第６図は従来の技術の一例を示した
断面平面図、第７図は第１試験先端チツプを示し
た断面平面図、第８図は第２試験先端チツプを示
した断面平面図、第９図は第３試験片先端チツプ
を示した断面平面図である。
ａ…先端チツプ、１…ボール、２…球座、３…
インキ導入孔、４…中心軸線、５…矢溝。
Fig. 1 is a partially cutaway sectional view showing the first embodiment of the present invention, Fig. 2 is a sectional plan view taken along section line AA in Fig. 1, and Fig. 3 is a sectional plan view taken along section line BB in Fig. 1. 4 is a sectional plan view showing the second embodiment of the present invention, FIG. 5 is a sectional plan view showing the third embodiment, and FIG. 6 is an example of the conventional technology. 7 is a cross-sectional plan view showing the first test tip, FIG. 8 is a cross-sectional plan view showing the second test tip, and FIG. 9 is a cross-sectional plan view showing the third test piece tip. FIG. a... Tip tip, 1... Ball, 2... Ball seat, 3...
Ink introduction hole, 4...center axis line, 5...arrow groove.
Claims (1)
座と、この球座の中心部に設けられたインキ導入
孔と、このインキ導入孔の外周に設けられて中心
軸線に対して平行に穿設されて毛細管現象を生じ
させる矢溝とを有する水性ボールペンの先端チツ
プにおいて、前記矢溝の数が２本からなり、かつ
、前記中心軸線に対して直角な方向からみた２つ
の溝形状が該中心軸線に対称に一直線状に形成さ
れていることを特徴とする、水性ボールペンの先
端チツプ。 A ball seat that receives writing pressure from the ball provided at the tip, an ink introduction hole provided in the center of this ball seat, and a hole parallel to the central axis provided on the outer periphery of this ink introduction hole. In the tip of a water-based ballpoint pen, which has an arrow groove that causes a capillary phenomenon, the number of the arrow grooves is two, and the shape of the two grooves when viewed from a direction perpendicular to the center axis is the center of the tip. The tip of a water-based ballpoint pen is characterized by being formed in a straight line symmetrically to the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158731U JPH0164480U (en) | 1987-10-19 | 1987-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158731U JPH0164480U (en) | 1987-10-19 | 1987-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164480U true JPH0164480U (en) | 1989-04-25 |
Family
ID=31439321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987158731U Pending JPH0164480U (en) | 1987-10-19 | 1987-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164480U (en) |
-
1987
- 1987-10-19 JP JP1987158731U patent/JPH0164480U/ja active Pending
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