发明授权
- 专利标题: Writing instrument
- 专利标题(中): 书写工具
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申请号: US945402申请日: 1992-09-16
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公开(公告)号: US5352051A公开(公告)日: 1994-10-04
- 发明人: Takashi Tamura , Masamitsu Nagahama , Koichi Enuma , Yoshihiro Wada , Masayuki Kawasaki , Kazuo Sakai , Kazunori Suzuki
- 申请人: Takashi Tamura , Masamitsu Nagahama , Koichi Enuma , Yoshihiro Wada , Masayuki Kawasaki , Kazuo Sakai , Kazunori Suzuki
- 申请人地址: JPX Tokyo
- 专利权人: Pentel Kabushiki Kaisha
- 当前专利权人: Pentel Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-115051 19890929; JPX1-115437 19890930; JPX1-139439 19891130; JPX1-152382 19891227; JPX2-45989 19900428
- 主分类号: B43K8/00
- IPC分类号: B43K8/00 ; B43K23/08 ; B43L13/02 ; B43K5/02 ; B43K1/12 ; B43K3/00 ; G01D5/16
摘要:
This invention relates to a writing instrument wherein a temporary ink storage member made of a synthetic resin injection molded article is sandwiched between a pen tip and an ink tank. In the present invention, a flange portion for fitting to a predetermined apparatus, which is positioned around an outer peripheral portion of the temporary ink storage member, is formed integrally with a shaft made of a synthetic resin injection molded article. In embodiments of the invention, the temporary ink storage member is made flexible, the shaft is made of a material which is softer than that of the tip holder, and the tip holder is used as a writing thickness display member. The temporary ink storage member can be used as an ink color display member and a cap is used as an application display member. In other embodiment, the cap can be fitted selectively in accordance with types of writing instruments.
公开/授权文献
- US5824242A Chemiluminescent solution 公开/授权日:1998-10-20