发明授权
- 专利标题： Production processes for writing instrument and ink occlusion body
- 专利标题（中）： 书写仪器和油墨堵塞体的生产工艺
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申请号： US10480941申请日： 2002-06-26
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公开(公告)号： US07223037B2公开(公告)日： 2007-05-29
- 发明人: Kazuhiko Furukawa , Yojiro Sano
- 申请人： Kazuhiko Furukawa , Yojiro Sano
- 申请人地址： JP Tokyo
- 专利权人： Mitsubishi Pencil Kabushiki Kaisha
- 当前专利权人： Mitsubishi Pencil Kabushiki Kaisha
- 当前专利权人地址： JP Tokyo
- 代理机构： Buchanan, Ingersoll & Rooney PC
- 优先权： JP2001-200129 20010629
- 国际申请： PCT/JP02/06426 WO 20020626
- 国际公布： WO03/002356 WO 20030109
- 主分类号： B43K5/02
- IPC分类号： B43K5/02 ; B43K5/00
摘要：
Provided is a writing instrument comprising an ink tank, an ink holder which can hold an ink, a pen tip, an ink guiding part for guiding the ink in the ink tank to the pen tip and an ink occlusion body which can feed the ink to the ink guiding part and which has an outer skin, wherein through parts are provide in the outer skin of the ink occlusion body.
公开/授权文献
- US20040131415A1 Writing material and ink absorber production method 公开/授权日：2004-07-08