WO2007116746A1 - pointe de stylo faite en résine synthétique - Google Patents

pointe de stylo faite en résine synthétique Download PDF

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Publication number
WO2007116746A1
WO2007116746A1 PCT/JP2007/056418 JP2007056418W WO2007116746A1 WO 2007116746 A1 WO2007116746 A1 WO 2007116746A1 JP 2007056418 W JP2007056418 W JP 2007056418W WO 2007116746 A1 WO2007116746 A1 WO 2007116746A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
nib
synthetic resin
tip
main body
Prior art date
Application number
PCT/JP2007/056418
Other languages
English (en)
Japanese (ja)
Inventor
Akira Yoshitane
Original Assignee
Aubex Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aubex Corporation filed Critical Aubex Corporation
Publication of WO2007116746A1 publication Critical patent/WO2007116746A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00—Nibs; Writing-points

Definitions

  • the present invention relates to a synthetic resin nib used for a writing instrument such as a calligraphic pen, a line marker, a multicolor marker, and a marking pen capable of writing decorative characters. It relates to a synthetic resin nib with excellent design that allows easy identification of orientation and ink color.
  • Synthetic resin nibs (plastic nibs) generally use a core with a diameter of 1.5 mm or less, and the tip of the nib is wedge-shaped, or the tip of the nib By processing the writing surface into a shape such as a polygon or an ellipse, the pen tip has a writing surface on which a plurality of line widths can be written.
  • the tip of the pen tip is very thin, the tip of the pen plug is used to ensure color identification, which is difficult for the pen tip force to identify the ink color directly.
  • the parts such as caps must be colored in the same color as the ink, or they must be written on trial.
  • calligraphy and line markers having an ink passage in the nib body are difficult to correctly set the direction of the nib on the paper, which makes it difficult to easily identify the shape of the writing surface.
  • Patent Document 1 JP-A-8-118871
  • Patent Document 1 can prevent the axes of the core and the covering material from being displaced by extruding the core and the covering material into the same body, and promote the improvement of writing feeling.
  • the pen tip body is made of transparent nylon, and the ink guide groove is formed to have a normal cross-sectional area ratio. The fact that it can be easily confirmed is also disclosed.
  • Patent Document 2 Japanese Utility Model Publication No. 57-42712
  • Either side of the synthetic resin layer in the front part above the road and the synthetic resin layer in the front part below the ink path are gradually rolled up to the tip, depending on how they are struck.
  • the writing surface can be changed to soft and soft, and the touch at the time of writing can be obtained in two ways. Since a comparatively soft and thick line can be obtained, V and a resin pen body are disclosed when the thickness of the writing line can be changed in two ways.
  • the resin pen body described in Patent Document 2 is a pen having a different shape by cutting the tip of the synthetic resin layer facing the ink flow path while changing the direction of turning.
  • the tip direction can be identified with the tip outer circumference as a mark, and the thickness of the line is adjusted according to how it is squeezed.
  • the synthetic resin nib is worn according to the degree of writing, and if it becomes shorter, the ink passage is clogged with dust and the like and the writing ability is reduced.
  • Patent Document 3 Disclosed is a pen nib that uses a slit in the pen nib to control that dust and dirt enter the ink path and become unable to write, and uses up the ink sufficiently to increase the writing distance. Further, the same document 3 discloses a technique in which the color of the ink can be easily identified by coloring the pen tip in the same color as the ink.
  • Patent Document 4 Japanese Utility Model Publication No. 51-49135
  • the ink color is easily identified by providing an exterior of the same color as the ink color on the surface excluding both ends of the nib body.
  • a nib is available. This nib requires only a small amount of material to be consumed and can be mass-produced by mechanization.
  • the nib body is made of a capillary porous body, in addition to the identification effect described above, a uniform tightening force is applied by the exterior, thereby eliminating the possibility of swelling with the nib body force ink. can do.
  • the pen nib body is a pen with an ink flow path on the surface, in addition to the identification effect described above, an exterior is provided to prevent ink from drying in the flow path and to ensure capillary action. The expression can be expected.
  • Patent Document 5 a nib core material is coated with two or more layers of different colored synthetic resins, and cutting calorie is used.
  • a synthetic resin nib is disclosed. This nib is multi-layered with different colored synthetic resin Since it is coated and covered with a known cutting technique, a colorful nib can be obtained.
  • a pen nib is also described which has a core that has been stripped and the entire circumference of the root is polished into a cylindrical shape.
  • Patent Document 1 Japanese Patent Laid-Open No. 8-118871 (Claims, paragraphs 0021, 0037)
  • Patent Document 2 Japanese Utility Model Publication No. 57-42712 (Scope of utility model registration request)
  • Patent Document 3 Japanese Patent Laid-Open No. 9 150595 (Claims, paragraph 0010)
  • Patent Document 4 Japanese Utility Model Publication No. 51-49135 (Scope of request for registration of utility model)
  • Patent Document 5 Japanese Utility Model Publication No. 58-3281 (Scope of request for registration of utility model)
  • the pen nib body is easy to identify the pen nib orientation and ink color, has high durability, etc., but also can be manufactured at low cost and is required to be designed.
  • the technology described in Document 1 has an appearance that is closer to that of a fountain pen, and is subject to design constraints.
  • the provision of additional blades on the nib body may increase the manufacturing cost because the number of manufacturing steps and the number of necessary parts will increase compared to the nib without the vanes. Also have.
  • nylon is used as the nib material.
  • nylon is used in impact resistance, friction resistance, wear resistance, and oil resistance. Excellent in properties, but due to its chemical structure, its water absorption is high, so it tends to cause a decrease in rigidity and a dimensional change.
  • the nib manufactured by the technique of mixing the nib itself with a pigment or the like and coloring the nib is colored. Since it can only be used for colored pens, inventory management becomes troublesome due to poor sharing efficiency of parts, and there is a need to switch materials at the time of coating molding for each color. There is a risk of increasing the cost.
  • Patent Document 4 The technology described in Patent Document 4 that allows the ink color to be easily identified by providing an exterior of the same color as the ink color on the surface excluding both ends of the nib body is disclosed in Patent Document 4. As in the case described in 3, it leads to cost increase.
  • the present invention can easily identify the direction of the pen tip and the ink color, can be manufactured at low cost, has high durability, has good writing feeling, and has excellent design. It is intended to provide the destination.
  • the present invention provides a pen-shaped nib main body by covering the outer periphery of a core member having an odd-shaped cross section having an ink flow path with a covering member.
  • a synthetic resin nib is characterized in that a part of a covering member at a tip end portion thereof is cut to a thickness capable of identifying the color of ink in an ink flow path to form an ink visual recognition part.
  • the ink visualizing portion may be configured such that a part of the covering member is allowed to flow in parallel along the core member, rearward from the tip portion of the pen tip main body. It is characterized by being formed by cutting to a thickness where the color of the ink in the path can be identified.
  • the ink visualizing portion is increased in an inclined or stepped manner as the tip end force of the nib mainly extends along the center member.
  • a part of the covering member is cut to a thickness that allows the color of the ink in the ink flow path to be identified.
  • the ink visual recognition portion includes a part of the covering member in parallel along the center member, rearward from the tip end portion of the pen tip main body, It is characterized in that it is formed by cutting into a concave shape to a thickness where the color of the ink in the ink flow path can be identified.
  • the ink visual recognition portion may be rearward along the core member from one end of the writing surface formed at the tip portion of the pen tip main body. It is characterized in that it is formed by cutting a part of the covering member at the tip portion into a flat shape.
  • the nib body is mainly composed of the nib, the core member and the covering member are made of synthetic resin, and the tip part thereof has a bullet-like or wedge-like shape. Is formed in a truncated cone shape.
  • the present invention is characterized in that, in the above-described synthetic resin pen tip, the pen tip main body is formed of polyacetal resin.
  • the present invention is characterized in that, in the above-mentioned synthetic resin nib, the covering member is formed of polyacetal resin containing a pigment.
  • the synthetic resin nib that is effective in the present invention is configured so that the nib main body is composed of the core member having the ink flow path and the covering member that covers the core member.
  • the ink visual recognition part is formed. Therefore, by expanding the range of the ink visual recognition part.
  • the color of the ink can be visually recognized in a wide range, it is possible to easily identify the color at the pen tip without applying a coloring process to other portions. Therefore, unlike the conventional case, there is no need for a secondary cover such as coloring the pen body, tail plug, cap or pen tip to the color of the ink used.
  • the pen tip itself is colored. This makes it easy to identify the color of the ink even if it is not, and it can handle any ink color.
  • the synthetic resin nib can be shared regardless of the ink color, which leads to a reduction in manufacturing cost and management cost.
  • the nib By cutting off the covering member at the tip of the nib main body, the nib becomes flexible, the writing quality is improved, and the covering member reinforces the vicinity of the nib tip. Because of the difficulty V, you can get a nib.
  • the direction of a specific writing surface can be easily identified using the ink visual recognition part as a mark.
  • the pen tip can be set correctly on the paper.
  • the covering member is made transparent, it becomes possible to visually recognize the ink from the lateral direction. Therefore, there is a concern that the pen tip cannot be set correctly on the paper surface. Because the color of the light is irregularly reflected and diffuses, the entire nib may appear dirty. In addition, in the case of color, it is difficult to visually recognize the same color ink, and it is easy to misunderstand because it mixes with other colors, so by forming the covering member with polyacetal resin containing white pigment, It is preferable because the ink can be seen clearly and easily for all colors.
  • the position of the rear end can be reliably brought into contact with the ink reservoir and can be reliably set at a predetermined position. Therefore, the nib can be changed freely. For example, if a spare nib main body is prepared, it is easy to remove the nib even if dust or dirt enters. Exchanges can be made.
  • the synthetic resin nib 1 of the present invention includes an inner core member 3 having an ink flow path 2 and an irregular cross section having a required length and diameter, and a covering member that covers the inner core member 3 with a constant thickness. 4 or something
  • the core member 3 and the covering member 4 constituting the nib main body 1 are both formed of a synthetic resin material. If it is a synthetic resin, there are no particular restrictions on the material. Absent.
  • polyethylene polypropylene, polystyrene, and ABS.
  • Polyacetal resin polyamide resin, polybutylene terephthalate resin, polyethylene terephthalate resin, syndiotactic polystyrene resin
  • engineering plastics such as polyphenylene resin, polyether ether ketone resin, liquid crystal polymer resin, polytetrafluoroethylene resin, polyether-tolyl resin, etc. It is preferable to use super engineering plastics.
  • a crystalline engineering plastic that is required as a nib material and has excellent physical properties such as mechanical strength, rigidity, fatigue resistance and dimensional stability. It is particularly preferable to use polyacetal.
  • the nib main body 1 is formed by heating and melting natural (semi-transparent) polyacetal and extruding it to form a core member 3 having an ink flow path 2 composed of a gap of an irregular cross section.
  • the coated member 4 is formed by heating and melting a polyacetal resin having a white pigment disposed on the outer periphery thereof and coating it by extrusion.
  • the inner diameter of the ink flow path of the nib main body 1 is 0.72 mm, the inner core diameter is 1 mm, the outer diameter of the covering member 4 is 2.5 mm, and the obtained long nib main body is obtained. Is cut to the required length to form a round bar-shaped nib material.
  • the tip portion 4a and the rear end portion 4c of the round bar-shaped nib material obtained by force are polished so as to have a frustoconical shape, and the intermediate portion 4b is a boundary with the tip portion 4a.
  • the outer peripheral portion is further polished into a cylindrical shape so that the ring-shaped protrusion 5 is formed on the portion.
  • a part of the side surface portion of the tip portion 4a formed in a frustoconical shape is further polished into a wedge shape to form a writing surface 6 having a substantially rectangular end surface, and then the tip of the ink channel 2 From the part of the outer periphery of the writing surface 6 where the part is exposed, the thickness of the part of the outer peripheral surface of the covering member 4 is parallel to the core member 3 from the part of the outer periphery of the writing surface 6 to the rear of the tip 4a 65mm, so that the distance from the outer diameter of the core member 3 is 0.1 mm, that is, it is scraped off at a distance of 0.1 mm from the core member 3 to form a flat ink visualizing part 7.
  • This is a synthetic resin nib 1.
  • the protrusion 5 is used to control the insertion depth of the pen tip main body 1 into the writing tool 9 when the pen tip main body 1 is mounted on the writing tool 9 described later. Therefore, as shown in the figure, the diameter of the tip 4a formed by the ring-shaped ridge is made smaller than the diameter of the intermediate 4b to form a step, and this step forms the insertion depth. You may control the thickness.
  • the nib main body 1 obtained by force is attached to the pier of the nib main body 1 at the tip opening of the writing instrument 9 having the ink reservoir 8 in which purple ink is stored.
  • the conical rear end 4c is mounted so as to communicate with the ink reservoir 8 and is used as a pen tip, the ink of the ink reservoir 8 flows to the front end 4a side through the ink flow path 2 by capillary action.
  • the purple color was revealed at the center of the ink viewing part 7, and it was easy to visually confirm that the ink color was purple.
  • the ink visual recognition part 7 that can identify the color of the ink also serves as a mark for ensuring the direction of the rectangular writing surface.
  • the ink visual recognition part 7 faces the pen upward. If the tip is set on the paper, it can be written using the longitudinal direction of the writing surface 6 which is rectangular.
  • FIG. 5 shows another embodiment of the synthetic resin nib according to the present invention. Like the above embodiment, FIG. 5 shows a modified cross section having the required length and diameter having the ink flow path 12. This is a round bar-shaped pen tip main body 11 composed of a core member 13 and a covering member 14 for covering the core member 13 with a constant thickness.
  • the tip portion 14a and the rear end portion 14c of the round bar-shaped nib main body 11 obtained in the above-described embodiment have a frustoconical shape, an intermediate portion 14b, and an annular protrusion on the tip portion 14a side.
  • Strip 15 is formed As shown in FIG. 6, a writing surface 16 having a substantially rectangular end surface is formed by polishing the surface of the tip portion 14a into a wedge shape.
  • a portion of the outer periphery of the writing surface 16 where the ink flow path 12 is exposed is directed toward the rear of the tip portion 14a along the core member 13, so that one of the outer peripheral surfaces of the covering member 14 is opposed.
  • Distance between the core and the outer diameter of the core member 13, for example, thickness 0.2mm, 0.3mm, 0.4mm It cuts and forms the ink visual recognition part 17 to make the synthetic resin nib 11.
  • the synthetic resin nib 11 having the above-described configuration is attached to the writing instrument shown above and ink is sucked, the core member 13 containing ink is seen through the central portion of the ink viewing portion 17. It was visible and the color of the ink was clearly visible.
  • the direction of the wedge-shaped writing surface could be identified using the ink viewing portion 17 through which the ink could see through as a landmark, and the pen tip could be set correctly on the paper surface.
  • FIG. 7 shows another embodiment of the synthetic resin nib according to the present invention.
  • the nib main body 21 has a required length having an ink flow path 22 as in the two embodiments. It is a round bar-shaped member that has a deformed cross-section inner core member 23 having a diameter and a covering member 24 that covers the core member 23 with a constant thickness.
  • the tip 24a of the obtained round bar-shaped nib main body 21 has a bullet-like shape, the rear end 24c has a truncated conical shape, and the intermediate part 24b has an annular protrusion 25 on the side of the tip 24a.
  • the core member is crushed in a cylindrical shape so that a tip of the ink flow path 22 is exposed, and is directed toward the rear of the tip 24a from a part of the outer periphery of the circular writing surface 26 where the tip of the ink channel 22 is exposed.
  • a part of the outer peripheral surface of the covering member 24 is cut along a concave shape with a width of 0.7 mm so that a part of the outer peripheral surface of the covering member 24 has a thickness of 0.55 mm and a distance from the outer diameter of the core member 23 is 0.2 mm.
  • An ink visual recognition part 27 is formed to form a synthetic resin nib 21.
  • the force that forms the ink visual recognition portion 17 on the opposite side surface portion of the nib main body 1 is the same as that in the embodiment shown in FIG.
  • the ink visual recognition part 7 may be formed on the opposite side part of the embodiment shown in FIG.
  • the writing surface 26 is circular, it is natural that a plurality of the writing surfaces 26 may be equally formed on the circumference.
  • the covering member 4 when the covering member 4 is cut, if the distance from the outer diameter of the core member is within the range of 0.05 to 0.4 mm, even if it is parallel to the core member, Even if it is inclined, the color of the ink flowing in the ink flow path can be sufficiently visually confirmed. Further, the length of the ink visual recognition part 7 is preferably about 2 to about LOmm in relation to the size of the pen tip.
  • the synthetic resin nib that can be used in the present invention can identify the ink color and the writing direction just by looking at the tip of the nib, and can be manufactured at low cost, and the nib can be easily replaced. Therefore, it can be suitably used for writing instruments such as calligraphic pens, line markers, multicolor markers, and marking pens for writing decorative characters.
  • FIG. 1 is a partially cutaway plan view showing an example of a synthetic resin nib according to the present invention.
  • FIG. 2 is a side view of the synthetic resin nib shown in FIG.
  • FIG. 3 is an enlarged front view of the synthetic resin nib shown in FIG. 1.
  • FIG. 4 is an explanatory view showing a use state of the synthetic resin nib according to the present invention.
  • FIG. 5 is a partially cutaway side view showing another example of the synthetic resin nib according to the present invention.
  • FIG. 6 is an enlarged front view of the synthetic resin nib shown in FIG.
  • FIG. 7 is a plan view showing still another example of the synthetic resin nib according to the present invention.
  • FIG. 8 is a side view of the synthetic resin nib shown in FIG.
  • FIG. 9 is an enlarged front view of the synthetic resin nib shown in FIG.

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  • Pens And Brushes (AREA)

Abstract

L'invention concerne une pointe de stylo faite en résine synthétique qui permet une reconnaissance facile de l'orientation de la pointe du stylo et de la couleur de l'encre, qui peut être produite à faible coût, et qui peut présenter une durabilité élevée et, en même temps, a une excellente sensation d'écriture et une bonne esthétique. La périphérie d'un élément de noyau (3) avec une section déformée ayant un canal d'encre (2) dans celui-ci est recouverte avec un élément de recouvrement (4) pour constituer un corps principal de pointe de stylo en forme de tige et fait en résine synthétique (1). Une partie de l'élément de recouvrement (4) à l'extrémité de tête du corps principal de pointe de stylo (1) est découpée le long du canal d'encre (2) vers l'arrière jusqu'à une épaisseur où la couleur de l'encre dans le canal d'encre (2) peut être reconnue pour former une partie de reconnaissance de l'encre (7).
PCT/JP2007/056418 2006-03-28 2007-03-27 pointe de stylo faite en résine synthétique WO2007116746A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006088389A JP4707003B2 (ja) 2006-03-28 2006-03-28 合成樹脂製ペン先
JP2006-088389 2006-03-28

Publications (1)

Publication Number Publication Date
WO2007116746A1 true WO2007116746A1 (fr) 2007-10-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/056418 WO2007116746A1 (fr) 2006-03-28 2007-03-27 pointe de stylo faite en résine synthétique

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JP (1) JP4707003B2 (fr)
WO (1) WO2007116746A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020032104A1 (fr) * 2018-08-07 2020-02-13 三菱鉛筆株式会社 Pointe de stylo et outil d'écriture pourvu de ladite pointe de stylo

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102320199A (zh) * 2011-06-29 2012-01-18 周圣仕 一种可更换油墨管的笔芯
JP6400435B2 (ja) * 2014-11-07 2018-10-03 オーベクス株式会社 タッチペン

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742712Y2 (fr) * 1979-07-02 1982-09-20
JPH08118871A (ja) * 1994-10-25 1996-05-14 Teiboo Kk 羽根付き合成樹脂製ペン先
JPH09150595A (ja) * 1995-11-29 1997-06-10 Pentel Kk 合成樹脂製ペン先

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742712Y2 (fr) * 1979-07-02 1982-09-20
JPH08118871A (ja) * 1994-10-25 1996-05-14 Teiboo Kk 羽根付き合成樹脂製ペン先
JPH09150595A (ja) * 1995-11-29 1997-06-10 Pentel Kk 合成樹脂製ペン先

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020032104A1 (fr) * 2018-08-07 2020-02-13 三菱鉛筆株式会社 Pointe de stylo et outil d'écriture pourvu de ladite pointe de stylo
JPWO2020032104A1 (ja) * 2018-08-07 2021-08-10 三菱鉛筆株式会社 ペン先及びこのペン先を備えた筆記具

Also Published As

Publication number Publication date
JP4707003B2 (ja) 2011-06-22
JP2007261056A (ja) 2007-10-11

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