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公开(公告)号：US6076987A
公开(公告)日：2000-06-20
申请号：US362167
申请日：1994-12-22
CPC分类号： B43K1/08
摘要： The present invention provides the ballpoint pen that precludes the possibility of the pipe portion bending at the joint thereof can be provided even if the outer diameter D is small. In the ballpoint pen having a ballpoint pen tip at a front end thereof, the ballpoint pen tip rotatably accommodating a ball at a front end of a pipe made of metal, an outwardly projecting pipe portion having a uniform thickness throughout the length thereof is arranged at a front end of the ballpoint pen tip, and if a length of the pipe portion is L, an outer diameter of the pipe portion is D, a relational expression "L/D.ltoreq.4.0" is satisfied.
摘要翻译： 本发明提供了即使外径D小的情况，也可以提供排除管接头弯曲的可能性的圆珠笔。 在圆珠笔在其前端具有圆珠笔笔尖的圆珠笔笔尖中，圆珠笔笔尖可旋转地容纳球形金属制的管子的前端，在整个长度上具有均匀厚度的向外伸出的管子部分布置在 圆珠笔尖的前端，如果管部的长度为L，则管部的外径为D，则满足关系式“L / D
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公开(公告)号：US4913175A
公开(公告)日：1990-04-03
申请号：US256262
申请日：1988-10-12
申请人： Takehiko Yokosuka , Osami Yamauchi , Hiroshi Kato
发明人： Takehiko Yokosuka , Osami Yamauchi , Hiroshi Kato
CPC分类号： A45D34/042 , A45D34/045 , A46B11/0013 , B43K5/1845
摘要： In a liquid-applying tip assembly in which the liquid-applying member is pushed to operate the valve to allow the liquid to flow to the liquid-applying member, the liquid-applying member is a plastic member which comprises: a plurality of ribs extending radially and axially from an axial core in such a manner as to form a plurality of axial liquid passageways therebetween. A barrier is provided between the valve and the cylinder of the tip assembly, the barrier having a hole whose diameter is slightly larger than the outside diameter of the liquid-applying member to control the flow of liquid.
摘要翻译： 在其中液体施加构件被推动以操作阀以允许液体流到液体施加构件的液体施加尖端组件中，液体施加构件是塑料构件，其包括：多个肋延伸 径向和轴向地从轴向芯体以在其间形成多个轴向液体通道的方式。 在阀门和气缸组件之间设有隔离件，阻挡件具有直径略大于液体施加件外径的孔，以控制液体的流动。
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公开(公告)号：US6010269A
公开(公告)日：2000-01-04
申请号：US173166
申请日：1998-10-15
申请人： Takehiko Yokosuka , Takao Inaba , Hideyuki Tanaka
发明人： Takehiko Yokosuka , Takao Inaba , Hideyuki Tanaka
CPC分类号： B43K7/08
摘要： Ink and a follower advancing with consumption of the ink are stored directly in the inside of a barrel having a pen point at its forward end. An outer tail plug constituted by a closed-end cylinder is fitted to a rear outer surface of the barrel. An air course is formed between the rear outer surface of the barrel and an inner surface of the outer tail plug to communicate with the inside of the barrel through a rear end aperture portion of the barrel. At least one air hole is provided ahead of the rear end aperture portion of the barrel to make the air course communicate with the outside air.
摘要翻译： 墨水和随着墨水消耗而前进的随动物被直接存储在其前端具有笔尖的桶的内部。 由封闭圆筒构成的外尾塞装配在筒的后外表面上。 在筒的后外表面和外尾塞的内表面之间形成有气流，以通过筒的后端开口部与筒的内部连通。 在筒的后端开口部的前方设置至少一个气孔，使空气路与外界空气连通。
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公开(公告)号：US4968169A
公开(公告)日：1990-11-06
申请号：US209815
申请日：1988-06-22
申请人： Takehiko Yokosuka , Osami Yamauchi
发明人： Takehiko Yokosuka , Osami Yamauchi
摘要： A penpoint assembly includes a penpoint which is made of a metal plate cut off at both side edges to form a taper toward the writing tip. A slit is provided extending from the front end of the writing tip to the vicinity of the rear end of the writing tip along the center line of the penpoint. The penpoint is bent at the writing tip to form small bent projections at both sides of the slit, the bent portion surrounding a small space. An ink guide core extends under the slit and communicates at the tapered portion of the ink guide core with the slit. A support member supports the ink guide core and penpoint. A writing instrument includes the penpoint assembly, the support member being integrally formed with an ink flow regulating portion, so that ink in an ink storage member in the rear portion of a penholder is guided to the writing tip through the ink guide core.
摘要翻译： 笔尖组件包括由在两个侧边缘处切断的金属板制成的笔尖以朝向书写尖端形成锥形。 从笔尖的前端沿着笔尖的中心线向笔尖的后端附近设置狭缝。 笔尖在书写尖端处弯曲，以在狭缝的两侧形成小的弯曲突起，弯曲部分围绕着小的空间。 墨水导向芯在狭缝的下方延伸，并在墨水导向芯的锥形部分与狭缝连通。 支撑构件支撑墨水导向芯和笔尖。 书写工具包括笔尖组件，支撑构件与油墨流动调节部分整体形成，使得笔筒后部的墨水容纳构件中的墨水通过墨水导向芯被引导到笔尖。
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公开(公告)号：US4457644A
公开(公告)日：1984-07-03
申请号：US331743
申请日：1981-12-17
申请人： Takehiko Yokosuka
发明人： Takehiko Yokosuka
摘要： A ball-point pen tip provided with a tubular ink guide portion formed of metal. The ink guide portion is formed with radial projections extending radially inwardly produced by the pressing deformation of the metal tube. These projections define capillary channels between neighbouring projections and a ball seat at their radially oriented surfaces. An ink guide stem disposed in the tubular ink guide portion has one end in contact with at least one of the projections, and has the other end confronting with an ink supply stem inserted in a holder. The holder and the ink guide portion provide a socket of the pen tip. Such pen tip is applied to a ball-point pen which includes an ink reservoir adapted to be connected to said ink supply stem. Such ball-point pen employs an aqueous solution based low viscosity ink.
摘要翻译： 一种圆珠笔笔尖，设有由金属形成的管状墨水引导部分。 墨水引导部形成有径向向内延伸的径向突出部，其通过金属管的挤压变形而产生。 这些突起在其径向定向的表面处限定相邻突起和球座之间的毛细通道。 设置在管状墨水引导部分中的墨水导向杆具有与至少一个突起接触的一端，并且另一端面对插入在支架中的供墨杆。 保持器和墨水引导部分提供笔尖的插座。 这种笔尖被应用于包括适于连接到所述供墨杆的墨水贮存器的圆珠笔。 这种圆珠笔采用基于水溶液的低粘度油墨。
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公开(公告)号：US5290117A
公开(公告)日：1994-03-01
申请号：US742078
申请日：1991-08-07
申请人： Takehiko Yokosuka , Osami Yamauchi
发明人： Takehiko Yokosuka , Osami Yamauchi
摘要： A penpoint assembly includes a penpoint which is made of a metal plate cut off at both side edges to form a taper toward the writing tip. A slit is provided extending from the front end of the writing tip to the vicinity of the rear end of the writing tip along the center line of the penpoint. The penpoint is bent at the writing tip to form small bent projections at both sides of the slit, the bent portion surrounding a small space. An ink guide core extends under the slit and communicates at the tapered portion of the ink guide core with the slit. A support member supports the ink guide core and penpoint. A writing instrument includes the penpoint assembly, the support member being integrally formed with an ink flow regulating portion, so that ink in an ink storage member in the rear portion of a penholder is guided to the writing tip through the ink guide core.
摘要翻译： 笔尖组件包括由在两个侧边缘处切断的金属板制成的笔尖以朝向书写尖端形成锥形。 从笔尖的前端沿着笔尖的中心线向笔尖的后端附近设置狭缝。 笔尖在书写尖端处弯曲，以在狭缝的两侧形成小的弯曲突起，弯曲部分围绕着小的空间。 墨水导向芯在狭缝的下方延伸，并在墨水导向芯的锥形部分与狭缝连通。 支撑构件支撑墨水导向芯和笔尖。 书写工具包括笔尖组件，支撑构件与油墨流动调节部分整体形成，使得笔筒后部的墨水容纳构件中的墨水通过墨水导向芯被引导到笔尖。
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