发明名称 |
Double ended direct-feed type writing implement |
摘要 |
A double ended direct-feed type writing implement includes: an ink tank; a pair of writing points (point assemblies) arranged both ends of the ink tank; ink collectors; an ink feeder means including a center core; arrangement for inhibiting air from flowing into the ink tank through the ink collector air/liquid exchanger located at the top while the pen is unused for writing.
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申请公布号 |
US2001012468(A1) |
申请公布日期 |
2001.08.09 |
申请号 |
US20010779176 |
申请日期 |
2001.02.08 |
申请人 |
MITSUBISHI PENCIL KABUSHIKI KAISHA |
发明人 |
FURUKAWA KAZUHIKO;KOYAMA HIROAKI;KOBAYASHI TAKESHI;SANO YOJIRO;MITO YOSUKE |
分类号 |
B43K1/08;B43K5/18;B43K7/02;B43K7/08;B43K27/04;B43K27/08;B43K27/12;(IPC1-7):B43K27/04;B43K5/02 |
主分类号 |
B43K1/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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