- 专利标题： Pressure difference compensation membrane
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申请号： US15521372申请日： 2015-10-22
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公开(公告)号： US10518572B2公开(公告)日： 2019-12-31
- 发明人: Anne-Lise Damiano , Olivier Albenge , Christelle Debrauwer
- 申请人： SOCIETE BIC
- 申请人地址： FR Clichy
- 专利权人： SOCIETE BIC
- 当前专利权人： SOCIETE BIC
- 当前专利权人地址： FR Clichy
- 代理机构： Ohlandt, Greeley, Ruggiero & Perle, L.L.P.
- 优先权： FR1460229 20141024
- 国际申请： PCT/FR2015/052836 WO 20151022
- 国际公布： WO2016/062972 WO 20160428
- 主分类号： B43K5/04
- IPC分类号： B43K5/04 ; B43K7/08 ; B43K8/03
摘要：
A compensation membrane for compensating a pressure difference between the outside and the inside of a free ink reservoir of a pen or the equivalent, the membrane comprising a first portion having a first rigidity, and a second portion having a second rigidity, the first rigidity being less than the second rigidity. A pen or the equivalent comprising a free ink reservoir provided with such a compensation membrane.
公开/授权文献
- US20190152253A1 PRESSURE DIFFERENCE COMPENSATION MEMBRANE 公开/授权日：2019-05-23
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