发明名称 Refill for correction pen and refill unit
摘要 A refill unit (14) comprising an applying part at the front end and an ink reservoir (10) at the rear, wherein the refill unit (14) is mounted in a barrel (18) so as to be urged to the rear by a first spring (16); the applying part of the refill unit is adapted to be able to project and retract in link with protruding and protrusion-cancelling actions by a clicking mechanism (20) provided at the rear end of the barrel; the ink reservoir (10) of the refill unit is made open at the rear end, and the barrel is provided with a pressurizing mechanism (22) for enhancing the inner pressure of the ink reservoir (10) arranged between the rear end of the ink reservoir and the clicking mechanism; and, the pressurizing mechanism comprising a sealing part (24), a front-end open sleeve (26) and a second spring (28) for repulsively urging the sealing part (24) and sleeve (26) in mutually separating directions; and when the refill unit (14) is pushed back by pressing the top of the applying part projected from barrel after the protruding action of the clicking mechanism is done, the sleeve (26) of the pressurizing mechanism advances relative to the sealing part (24) to thereby compress the air inside the ink reservoir, and wherein the part is formed by press fitting the rear end of a ballpoint pen tip having a rotatable ball to the attachment portion at the front end of the ink reservoir and that a metal tube (55) is squeezed to cover the outer periphery of the attachment portion (63) at the front end of the ink reservoir to which the tip is fitted.
申请公布号 EP2123473(A1) 申请公布日期 2009.11.25
申请号 EP20090007257 申请日期 2004.03.03
申请人 MITSUBISHI PENCIL CO., LTD. 发明人 KOBAYASHI, KYOKO;ONO, MAKOTO;FUKAI, AKIRA;KOYAMA, TAKAO;NAKAMURA, HITOSHI;OMOTO, KEI;KORIKI, TADASHI
分类号 B43L19/00;B43K1/01;B43K1/08;B43K7/02;B43K7/03;B43K7/08;B43K7/12;B43K11/00;B43K24/08;B43M11/00;B43M11/08;C09D10/00;C09D11/18 主分类号 B43L19/00
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