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    • 1. 发明专利
    • Writing utensil
    • 写字
    • JP2008142984A
    • 2008-06-26
    • JP2006331515
    • 2006-12-08
    • Honda KuniyasuKatayama Tetsuya本多 邦泰片山 哲也
    • KUBO KOHEIAKIBA TETSUYA
    • B43K5/06
    • PROBLEM TO BE SOLVED: To provide a writing utensil which uses ink and is long in life with no dripping.
      SOLUTION: This writing utensil comprises (1) pen points 101, (2) a hollow cylinder 110 having a pen point mounting part 102 on which the pen points 101 are mounted at one end on the apex side (3) a piston 120 which slides airtightly in order to divide the interior of the hollow cylinder 110 into two spaces A and B, (4) a through hole 121a which allows the piston 120 to pierce through the hollow cylinder 110 axially, (5) a valve seat 121b formed on the opposite side to the pen point mounting part 102 of the through hole 121a and (6) a holder which moves a valve body 131 capable of coming into contact with and separates from the valve seat 121b and the piston 120 to the opposite direction to the pressing direction of the valve body 131. On the other hand, the writing utensil comprises (1) a rod 130 which airtightly projects from the hollow cylinder 110 to the outside on the rear end side and freely proceeds and recedes in the axial direction and (2) valve drive means 142 and 151 which keep the valve closed by the valve body 131 pressure-contacting with a valve seat 121b and, keep the valve in an opened state while separating the valve body 131 from the valve seat 121b.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种使用墨水且寿命长而不滴落的书写用具。 解决方案:该书写用具包括(1)笔尖101,(2)具有笔尖安装部分102的中空圆柱体110,笔尖101一端安装在顶点(3)上的活塞 120,其以气密的方式滑动,以将中空圆筒110的内部分成两个空间A和B,(4)允许活塞120轴向穿过中空圆柱体110的通孔121a,(5)阀座121b 形成在通孔121a的笔尖安装部分102的相对侧上,以及(6)保持器,该保持器使能够与阀座121b和活塞120接触并分离到相反方向的阀体131 另一方面,书写用具包括:(1)杆130,其从中空筒110向后端侧向外侧气密地突出,并且沿轴向自由地前进和后退 和(2)阀驱动装置142和151 通过与阀座121b压力接触的阀体131保持阀关闭,并且在阀体131与阀座121b分离的同时将阀保持在打开状态。 版权所有(C)2008,JPO&INPIT