- 专利标题： REFILLABLE FREE INK WRITING INSTRUMENT HAVING A REMOVABLE REAR PLUG FOR REFILL, AND KIT COMPRISING SUCH A WRITING INSTRUMENT, AND METHOD THEREOF
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申请号： EP20305962.1申请日： 2020-08-31
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公开(公告)号： EP3960484A1公开(公告)日： 2022-03-02
- 发明人: BEZ, Arnaud , ROUDAUT, Etienne
- 申请人： Société BIC
- 申请人地址： FR 92110 Clichy 14, rue Jeanne d'Asnières
- 代理机构： Cabinet Beau de Loménie
- 主分类号： B43K5/03
- IPC分类号： B43K5/03 ; B43K23/12
摘要：
A refillable free ink writing instrument (10) comprising a body (12) having a rear end (12A), a front end (12B) and an ink reservoir (13) disposed between the rear end (12A) and the front end (12B), a writing tip (14) mounted on the front end (12B) and a plug (16) mounted on the rear end (12B), wherein the plug (16) is configured to close an opening (15) in fluid communication with the ink reservoir (13), the plug (16) being configured to be removable from the rear end (12A) to refill the ink reservoir (13) with water and concentrated ink refill (50).
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