发明授权
- 专利标题： FREE INK SYSTEM
- 专利标题（中）： 调压无油墨供应
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申请号： EP02717797.1申请日： 2002-03-26
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公开(公告)号： EP1372984B1公开(公告)日： 2007-05-16
- 发明人: WITZ, Wolfgang , BASTIANSEN, Bernd , POLLEY, Ralf
- 申请人： Sanford L.P.
- 申请人地址： 29 East Stephenson Street Freeport, IL 60132 US
- 专利权人： Sanford L.P.
- 当前专利权人： Sanford L.P.
- 当前专利权人地址： 29 East Stephenson Street Freeport, IL 60132 US
- 代理机构： Winkler, Andreas Fritz Ernst
- 优先权： US278716P 20010326
- 国际公布： WO2002076763 20021003
- 主分类号： B43K8/04
- IPC分类号： B43K8/04
摘要：
A free ink marking instrument for dispensing an ink, including a housing (26), a reservoir (32) for storing ink within the housing, a feed tube (36) to convey ink communicating with the reservoir, a tip (40) disposed within the feed tube (36) for conveying ink to a substrate at a marking end of the tip, a porous buffer (60) disposed within the housing (26) adjacent the feed tube and configured for storing ink during periods of a decreasing pressure differential between the reservoir and the atmosphere, and bubble separation area in the form of either a hole in the feed tube or a hole or passage formed between the feed tube and the tip, is disclosed.
公开/授权文献
- EP1372984A1 FREE INK SYSTEM 公开/授权日：2004-01-02
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