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    • 3. 发明申请
    • NIB
    • 笔尖
    • WO1997007989A1
    • 1997-03-06
    • PCT/JP1996002307
    • 1996-08-16
    • KABUSHIKI KAISHA PILOTIKEDA, YasuoONO, Toshihiro
    • KABUSHIKI KAISHA PILOT
    • B43K01/00
    • B43K1/00
    • In the contact surfaces (5) of a nib, which is formed by superposing a pair of nib members (1a, 1b) on each other face-to-face and fixing a rear portion of the resultant product in a neck-carrying cylinder, i.e., between the nib members, an ink flow passage (6) comprising grooves (6a) defined by thin walls and forming very narrow clearances, which have a capillary action, and grooves (6b) deeper than these grooves (6a) is provided. Slits (8) communicating with the ink flow passage (6) are provided in a free end portion of the nib. At least a non-fixed parts of the front portions of the two nib members (1a, 1b) are formed elastically deformably so that sliding deformation occurs therein with respect to each other by a writing pressure applied to the nib. Consequently, a nib capable of providing a writing feeling similar to that encountered when a fountain pen using a metal nib is used, feeding abundant ink to the tip of the nib and writing letters under a low writing pressure smoothly and slowly or quickly, and having a low resistance against paper is provided. Also, a nib, in which a bad flow of ink, which is ascribed to the dried residue of ink occurring in the ink flow passage, rarely occurs, is provided.
    • 在通过将一对笔尖构件(1a,1b)彼此重叠并且将产品的后部固定在颈部承载圆筒中而形成的笔尖的接触表面(5)中, 即,在笔尖构件之间,设置有由薄壁限定并形成非常窄的间隙的具有毛细作用的凹槽(6a)和比这些凹槽(6a)更深的凹槽(6b)的墨水流动通道(6)。 与墨水流路(6)连通的狭缝(8)设置在笔尖的自由端部。 至少两个笔尖构件(1a,1b)的前部的非固定部分可弹性变形地形成,从而通过施加在笔尖上的书写压力相对于彼此发生滑动变形。 因此,能够提供与使用金属笔尖的钢笔时所遇到的相似的书写感觉的笔尖,向笔尖提供丰富的墨水,并且平滑,缓慢或快速地在低写入压力下书写字母,并具有 提供了低纸张抗力。 此外,提供了一种其中很少发生归因于在油墨流动通道中发生的墨水的残留物的不良墨水流动的笔尖。