基本信息:
- 专利标题： 筆記具
- 专利标题（英）：Writing materials
- 申请号：JP2003522819 申请日：2002-08-30
- 公开(公告)号：JPWO2003018329A1 公开(公告)日：2004-12-09
- 发明人： 飯田 仙史 , 仙史 飯田 , 奥村 茂 , 茂 奥村 , 松本 一明 , 一明 松本 , 小林 清一 , 小林 清一 , 小林 武 , 武 小林 , 小林 雄介 , 雄介 小林 , 水戸 洋介 , 洋介 水戸
- 申请人： 三菱鉛筆株式会社
- 专利权人： 三菱鉛筆株式会社
- 当前专利权人： 三菱鉛筆株式会社
- 优先权： JP2001263558 2001-08-31; JP2001286118 2001-09-20; JP2001290002 2001-09-21; JP2001291422 2001-09-25; JP2001293592 2001-09-26; JP2001295612 2001-09-27
- 主分类号： B43K7/10
- IPC分类号： B43K7/10 ; B43K5/00 ; B43K5/03 ; B43K5/12 ; B43K5/18 ; B43K7/06 ; B43K7/08 ; B43K8/02 ; B43K8/04 ; B43K23/12 ; B43K27/08 ; C09D11/16
With specificity for appearance and feel and do not match, a writing implement the specificity of its appearance can be maintained for a long time. A cylindrical shaft member (80) is fixed to one end of the shaft member (80), and the pen tip member (10) to exude colored ink from the tip, is housed in the shaft member (80), the nib member (10) with the liquid (31) for ink constituting the main body of the bleeding out colored ink from the tip, the coloring agent for the colored ink is added to the ink liquid (31) and (20), a colorant (20) and comprises a valve member (50) for blocking the ink liquid (31). At least a part of the portion where the ink liquid (31) is housed within the cylindrical side surface of the shaft member (80) as a transparent, said valve member (50) includes a housing portion of the ink liquid (31) Coloring agent is positioned between the (20), relative to the housing portion of the ink liquid (31) comprises a pressure adjustment unit for preventing an increase or decrease in pressure within the housing portion (60).
信息查询:
EspacenetIPC结构图谱:
| B | 作业；运输 |
| --B43 | 书写或绘图器具；办公用品 |
| ----B43K | 书写或绘图器具 |
| ------B43K7/00 | 圆珠笔 |
| --------B43K7/10 | .向圆珠笔尖供墨的装置 |