WO2003099583A1 - Composition de resine pour element d'instrument d'ecriture, element d'instrument d'ecriture et instrument d'ecriture - Google Patents
Composition de resine pour element d'instrument d'ecriture, element d'instrument d'ecriture et instrument d'ecriture Download PDFInfo
- Publication number
- WO2003099583A1 WO2003099583A1 PCT/JP2002/005260 JP0205260W WO03099583A1 WO 2003099583 A1 WO2003099583 A1 WO 2003099583A1 JP 0205260 W JP0205260 W JP 0205260W WO 03099583 A1 WO03099583 A1 WO 03099583A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin composition
- writing
- resin
- writing implement
- conductive inorganic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K1/00—Nibs; Writing-points
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/18—Arrangements for feeding the ink to the nibs
Definitions
- the present invention has excellent moldability, mechanical strength, and abrasion resistance, provides a smooth writing taste, does not deteriorate the writing taste until the ink is exhausted, does not have a faint written character, and has no lines.
- the present invention relates to a writing instrument member resin composition, a writing instrument member, and a writing instrument for providing a writing instrument in which uniformity or the like does not occur. Background art
- polyacetal is mainly used as a synthetic resin for a pen tip (for example, Japanese Patent Application Laid-Open No. Hei 8-14255).
- Polyacetal moldings have moderate mechanical strength and abrasion resistance that are effective for fine writing, and have little wear and deformation.Therefore, there is little unevenness due to writing habits, blurred characters, and non-uniform lines. Has excellent properties.
- the polyacetal molded body has an advantage of being able to write smoothly because it has excellent self-lubricating properties.
- nibs made of polyacetal have good ink ejection properties.
- Nib also has higher mechanical It is desired to have strength and abrasion resistance, not to deteriorate writing quality until ink is exhausted, and to have performance that does not cause blurring of written characters and non-uniformity of lines. .
- Japanese Patent Application Laid-Open No. 57-197197 describes that synthetic resin such as polyacetal, polyamide, polycarbonate and the like have an average diameter of 0.
- a resin composition for an ink-guiding member comprising a single crystal fiber of potassium titanate having an average length of 1 to 1 ⁇ and an average length of 1 to 50 ⁇ .
- the molded article of the resin composition has high mechanical strength and abrasion resistance due to the blending of the titanate-coated rim single crystal fiber.
- the pen tip made from the resin composition may deform the ink discharge port of the pen tip due to friction with the writing surface, causing blurring of characters, unevenness of lines, and the like. The smoothness is also insufficient.
- Japanese Patent Application Laid-Open No. Hei 10-250282 discloses a wear resistance improver selected from the group consisting of molybdenum, tungsten, silicone, graphite and carbon in synthetic resins such as polyacetal, ABS resin, and polypropylene. It is disclosed that a resin composition in which is used as a nib of a ballpoint pen or the like. However, a pen tip formed by molding this resin composition has a somewhat improved abrasion resistance and mechanical strength, but is still insufficient. Problems such as non-uniformity have not been resolved.
- Japanese Patent Application Laid-Open No. 5-333086 discloses a technique in which a molded article of a resin composition comprising polyether nitrile and carbon fiber is used for a pen tip.
- Carbon fibers are relatively large inorganic fibers having an average diameter of several ⁇ m and an average length of 100 ⁇ or more.
- a molded article of a resin composition containing carbon fibers has high mechanical strength and abrasion resistance.
- charcoal Since the fiber has the property of floating on the surface of the molded body, using the pen tip for a long period of time will further impair the smoothness of writing, and will cause blurring of characters and blurring of lines.
- Injection molded products molded with synthetic resin filled with carbon fiber or carbon powder are known to have improved mechanical properties such as hardness, but they have the same size as those used in injection molding.
- the size of the carbon itself is large, so not only does carbon not sufficiently disperse in the thin part of the nib, but also There was a unique problem in forming the nib that hindered the stability and elongation of the groove shape, and the quality was also unstable.
- a pen tip was extruded with a conventional large-sized carbon by extrusion molding, it was filled with large-sized carbon that hinders elongation, etc.
- fine cracks are generated due to excessive stretching, and the surface hardness is improved as a pen tip, but it becomes very brittle, so the core bending strength is reduced and the abrasion resistance is also reduced.
- the present invention has excellent moldability, mechanical strength and abrasion resistance, provides a smooth writing taste, does not deteriorate until ink is exhausted, blurs of written characters, and uneven lines
- An object of the present invention is to develop a resin composition for a writing implement member, a writing implement member, and a writing implement for providing a writing implement that does not cause any problem.
- the present invention has found that when a conductive inorganic fiber having a specific average diameter and an average length is blended with a synthetic resin, a desired resin composition for a writing instrument member can be obtained, and the problem of the present invention can be solved.
- the present invention has been completed based on such findings. 1.
- the present invention is a resin composition for a writing implement member comprising a synthetic resin and conductive inorganic fibers having an average diameter of 1 ⁇ m or less and an average length of 100 ⁇ or less.
- the present invention is the resin composition for a writing implement member according to 1 above, wherein the conductive inorganic fibers have an average diameter of 1 to 100 nm and an average length of 10 nm to 10 ⁇ . 3.
- the present invention is the resin composition for a writing instrument member according to the above 1 or 2, wherein the conductive inorganic fibers are carbon nanotubes or carbon nanofibers.
- the present invention is the resin composition for a writing implement member according to 1 above, wherein the conductive inorganic fiber is incorporated in the entire amount of the resin composition in an amount of 0.5 to 30% by weight.
- the present invention is the resin composition for a writing instrument member according to the above item 1, wherein the synthetic resin is a thermoplastic resin.
- the thermoplastic resin may be a polyacetal, a polyamide, a polybutylene terephthalate, a polyethylene terephthalate, an atalinole resin,
- ABS resin polyvinylidene fluoride, polytetrafluoroethylene, polyetherenoletone ketone, polyetherenoketone, polyate / resa / lefon, polyetherimide, polyetherenorenitril, polyphenylene sulfide, polyphenylene oxide, polypropylene 6.
- the present invention is a resin composition for a pen nib comprising a synthetic resin and conductive inorganic fibers having an average diameter of 1 ⁇ or less and an average length of 100 m or less.
- the present invention is a member for a writing implement formed by molding the resin composition for a writing implement member according to any one of the above 1 to 6.
- the present invention is a nib formed by molding the resin composition for a nib according to any one of the above 1 to 6.
- the present invention is a writing implement provided with the writing implement member described in 8 above.
- ADVANTAGE OF THE INVENTION According to this invention, it has high mechanical strength and abrasion resistance, is excellent in lubricity, and when formed into a pen point such as a felt-tip pen or a tip of a ball-point pen, etc., it becomes an ink by friction with a writing surface.
- Suitable for the production of writing implements that do not deform or crush the discharge port, maintain a smooth and good writing taste for a long time, and do not blur characters or uneven lines A resin composition is provided.
- FIG. 1 is a side view illustrating a pen tip as an example of a writing instrument member of the present invention.
- Figure 2 is a cross-sectional view of the same.
- FIG. 3 is a side view illustrating another pen tip as an example of the writing instrument member of the present invention.
- FIG. 4 is a side view illustrating another pen tip as an example of the writing instrument member of the present invention.
- FIG. 5 is a cross-sectional view illustrating the cross-sectional shape of another pen tip as an example of the writing instrument member of the present invention.
- the resin composition for a writing instrument member of the present invention is obtained by mixing conductive inorganic fibers having an average diameter of l ⁇ m or less and an average length of 100 / Xm or less with a synthetic resin.
- the synthetic resin is not particularly limited, and any synthetic resin conventionally used as a material for a writing instrument can be used, and examples thereof include a thermoplastic resin and an elastomer, and preferably a thermoplastic resin.
- Thermoplastic resins include, for example, polyacetal, polyamide, polybutylene terephthalate, polyethylene terephthalate, ataryl resin, ABS resin, polyvinylidene fluoride, polytetrafluoroethylene, polyetherenoleate / lequetone, polyether ketone, Examples include polyether / resa / lefon, polyether imide, polyether nitrile, polyphenylene sulfide, polyphenylene oxide, polypropylene, and polycarbonate. Among them, polyacetal, polyamide, polyetheretherketone, polyestersulfone, polyetherimide, polycarbonate and the like are particularly preferable.
- elastomer examples include polyurethane elastomer, polyester elastomer, polyamide elastomer, and the like.
- the synthetic resins can be used alone or in combination of two or more.
- the conductive fiber used in the present invention is a conductive inorganic fiber having an average diameter of 1 m or less and an average length of 100 ⁇ or less.
- the excellent properties of the resin composition for writing implement members of the present invention can be achieved only when a conductive inorganic fiber having a specific average diameter and a specific average length is blended with a synthetic resin.
- Specific average diameter (4) Even if the conductive inorganic fiber having a length outside the average length is mixed with the synthetic resin, a resin composition suitable as a material for a writing instrument member having desired performance cannot be obtained.
- the average diameter of the conductive inorganic fibers is preferably 0.5 ttn or less, and particularly preferably 1 ⁇ ! ⁇ 0.1 m.
- the average length of the conductive inorganic fibers is preferably 30 ⁇ m or less, particularly preferably 5 ⁇ ! When the resin composition is for a writing instrument member. ⁇ 10 ⁇ m.
- the aspect ratio (length / diameter) is preferably from 5 to 1000, particularly preferably from 10 to 200.
- the average diameter and average length are average values obtained by measuring the fiber diameter and fiber length of 1500 fibers in a visual field using a transmission electron microscope ( ⁇ ⁇ ⁇ ) photograph.
- conductive inorganic fiber known conductive inorganic fibers having the above specific average diameter and average length can be widely used.
- Specific examples of such conductive inorganic fibers include, for example, fibers in which the surface of the inorganic fibers is coated with a conductive substance, carbon nanotubes, and carbon nanofibers.
- known inorganic fibers can be widely exemplified, for example, potassium titanate fiber, sodium titanate fiber, titanium dioxide fiber, wallastonite, amorphous silica fiber, magnesium borate fiber, aluminum borate fiber, Silicon nitride fibers and the like can be mentioned.
- Examples of the conductive substance include a wide variety of conductive substances known in the art.
- the conductive material covering the surface of the inorganic fiber may be one kind of conductive substance, or may be two or more kinds of conductive substances.
- Examples of a method of coating a conductive substance on the surface of the inorganic fiber include a method of thermally decomposing a compound that generates carbon by heating, such as aromatic hydrocarbons, to attach the carbon to the surface of the inorganic fiber, and dispersing the inorganic fiber in water. Then, a hydrochloric acid solution of a metal chloride such as tin chloride and the like are simultaneously dropped, and a metal hydroxide is attached to the surface of the inorganic fiber. Then, the fiber is baked, and the conductive metal oxide is applied to the surface of the inorganic fiber. And a method of forming an object film.
- carbon nanotubes are considered to maintain smooth and good writing taste for a longer period of time, and to minimize blurring of characters and non-uniform lines. Is desirable.
- Carbon nanotubes are usually hollow or tubular carbon having an average diameter of 1 to 100 nm, preferably 3.5 to 75 nm, an average length of 5 nm to 30 ⁇ m, preferably 15 nm to 10 m. Fiber.
- the inner diameter (average) of the carbon nanotube is set to 0.1 to 85 nm, preferably 0.5 to 65 nm.
- Carbon nanotubes are sometimes called carbon fibrils, carbon fibrils, and graphite fibrils.
- Carbon nanotubes are known, and their production methods are described in many patent publications. Examples of such patent publications include, for example, JP-A-1-131515, JP-A-2-232244, JP-A-2-239945, JP-A-2-239. No. 276 839, Japanese Unexamined Patent Publication No. Hei 2-2922391, Japanese Unexamined Patent Publication No. 503334, Japanese Unexamined Patent Publication No. Gazette, Japanese Patent Application Laid-Open No. Hei 3-1-174018, Japanese Patent Application Laid-open No. Hei 3-287821, Japanese Patent Publication No. 3-64606, Japanese Patent Publication No. Hei 3-77288, Japanese Patent Publication No.
- Hei 4-5-04445 Tokiohei 5—5 03723, JP-A-6-157016, JP-A-6-227806, JP-A-6-228824, JP-A-6-280116, JP-A-6-322615 JP, JP-A-6-341541, JP-A-7-106104, JP-A-7-102423, JP-A-7-102179, JP-A-7-102112, JP JP-A-7-11502, JP-A-7-138838, JP-A-7-21 6660, JP-A-8-12310, JP-A-8-27279, JP-A-8-91 No. 815, Japanese Unexamined Patent Publication No.
- the conductive inorganic fibers may be surface-treated with a coupling agent in order to improve wettability with the synthetic resin.
- a coupling agent examples include a silane-based coupling agent, a titanium-based coupling agent, and an aluminum-based coupling agent.
- the surface treatment with the force coupling agent can be performed by a known method.
- the amount of the conductive inorganic fibers in the resin composition for a writing implement member of the present invention varies depending on the type of the conductive inorganic fibers, the type of the synthetic resin, the purpose of the obtained resin composition, and the like, and cannot be said unconditionally. From the viewpoint of maintaining a good and smooth writing taste and further improving the effect of preventing blurring of characters, non-uniformity of lines, etc., the conductive inorganic fiber is contained in the total amount of the composition of the present invention. It is usually 0.5 to 30% by weight / 0 , preferably 1 to 15% by weight, and more preferably 3 to 10% by weight.
- the amount of the conductive inorganic fiber to be added to the pen tip resin composition is less than 0.5%, there is no effect on the quality as a nib such as core bending strength / abrasion resistance, and If the filling amount exceeds 30%, the elongation at the time of molding the nib becomes unstable, so the compounding amount is 0.5 to 30%.
- a general resin additive may be contained in the resin composition of the present invention as long as the excellent properties of the resin composition of the present invention are not impaired.
- resin additives include, for example, inorganic fillers, pigments, antioxidants, antistatic agents, release agents, lubricants, heat stabilizers, anti-drip agents, flame retardants, ultraviolet absorbers, and light absorbers. Examples include stabilizers, light-blocking agents, metal deactivators, anti-aging agents, plasticizers, impact strength improvers, compatibilizers, and the like. These resin additives are used alone or in combination of two or more.
- the resin composition for a writing instrument member of the present invention can be produced by mixing or kneading a synthetic resin, conductive inorganic fibers and, if necessary, a resin additive by a known means.
- a synthetic resin conductive inorganic fibers
- a resin additive e.g., a resin additive to a known means.
- powder, beads, flakes, or pellets are extruded into extruders such as single-screw extruders and twin-screw extruders, kneaders such as Banbury mixers, pressurized mixers, and two-roll extruders.
- the resin composition for a writing instrument member of the present invention can be produced.
- it can be formed into a desired shape such as a pellet using a molding machine.
- Examples of the writing implement member manufactured using the resin composition for a writing implement member of the present invention include ink guide members of writing implements, and specifically, nibs such as sign-ins and marking pens (markers).
- Examples include a liquid supply body such as an ink guide core, a tip of a pole pen, a pole, and a pole receiving member.
- a known resin molding method such as press molding, injection molding, or extrusion molding can be employed.
- the writing implement member is a pen tip, for example, the method described in Japanese Patent Application Laid-Open No. 7-32947, Japanese Patent Publication No. Good.
- the surface of the writing instrument member of the present invention can be covered with a suitable synthetic resin.
- the synthetic resin include polyacetal and the like.
- the pen tip of the present invention is obtained by extruding a long molded body having an ink capillary passage in the axial direction using a known extrusion molding apparatus, and subsequently by using a known coating molding apparatus. Then, a synthetic resin is coated on the outer surface of the elongated molded body to form a double-structured elongated body, and the elongated body is cut into a predetermined length so as to have a predetermined outer diameter. After grinding, it is cut to shorter lengths if necessary, and finally the tip is polished.
- the writing implement of the present invention includes the writing implement member manufactured as described above.
- Examples of writing implements include felt pens, marking pens, markers, ball pens, and the like. These writing instruments are manufactured according to a known method.
- Polyetheretherketone (trade name: Victrex 450 G, manufactured by Vitatrex E.M.I.C., hereinafter referred to as "PEEK")
- Conductive inorganic fiber carbon nanotube
- Dialead K2 23 NM manufactured by Mitsubishi Chemical Corporation, average fiber diameter 10 ⁇ m, average fiber length 6 mm
- a pellet of the resin composition of the present invention was produced in the same manner as in Example 1, except that carbon nanofibers were used instead of carbon nanotubes.
- Example 1 Each of the pellets obtained in Example 1 and Comparative Examples 1 and 2 was injected into an injection molding machine (product name: JS75, ( Injection molding was performed at a cylinder temperature of 380 ° C, manufactured by Nippon Steel Works Co., Ltd., and various JIS specimens were manufactured and subjected to the following tests. Table 1 shows the results.
- Abrasion resistance test (reciprocating motion test) A sample piece was placed on a glass plate and reciprocated 50,000 times with a load of 1 kgf at a width of 10 cm and the wear depth was measured. did. table 1
- the pellet of the resin composition in Example 1 was continuously melt-extruded and formed by an extruder to produce a long formed body having an outer diameter of 0.9 mm and an ink capillary passage 2 formed in the axial direction.
- the writing tip was appropriately polished to a writing tip shape.
- the ink capillary passage 2 After cutting this into a short length (25 mm), it is attached to a metal mouthpiece 3, and the ink capillary passage 2 has an outer shell 1 a and a plurality of long, medium, and short lengths extending from the outer shell 1 a in the centripetal direction.
- the nib 1 of the present invention having a cross-sectional shape formed by the rib 1b of the above and the sub-rib 1c extending in the circumferential direction from the long rib 1b was manufactured.
- the pellets of the resin composition in Example 2 were melt-extruded and continuously extruded by an extruder to produce a long molded article having an outer diameter of 0.9 mm and having an ink capillary passage 2 formed in the axial direction.
- polyacetal trade name: Zyuracon, manufactured by Polyplastex Co., Ltd.
- Zyuracon manufactured by Polyplastex Co., Ltd.
- the long molded body is covered with a polyacetal jacket 4. It was formed, cut into a length of 35 mm, and then appropriately ground into a nib shape with a centerless grinder. This was cut into a short piece (30 mm), and the end of the writing tip was polished round to produce the pen tip 1 of the present invention.
- the pellets of the resin composition in Example 1 were operated in the same manner as in Example 4 to produce the nib 1 of the present invention.
- the cross-sectional shape of the ink capillary passage 2 in each of the above-described embodiments includes an outer shell 1a, a plurality of long, medium and short ribs 1b extending from the outer shell 1a in the centripetal direction.
- any of cross-sectional shape formed by a part 1a and a plurality of long, medium and short ribs 1b extending in the centripetal direction from the outer part 1a may be used.
- other cross-sectional shapes may be used.
- Example 6 instead of the resin composition of Example 1, the resin composition of Comparative Example 1 (Comparative Example 4), the resin composition of Comparative Example 2 (Comparative Example 5), or the resin composition of Comparative Example 3 (Comparative Example 6) was used. A nib was manufactured in the same manner as in Example 3 except that the nib was used.
- the pen tips obtained in Examples 3 to 5 and Comparative Examples 4 to 6 were attached to a pen shaft, and the finishing accuracy, core hardness, and core of the cross-sectional shape of the ink capillary passage, including the extensibility at the time of extrusion molding.
- the bending strength, abrasion resistance (life of the pen tip), the degree of blurring of the line and the writing quality were examined. That is, the pen tip was set on a 30 cm diameter drum so that the pen tip touched it appropriately, and the degree of blurring of the line was examined while moving the pen tip to the left and right and rotating the drum. When it became difficult to determine the degree of blurring of the line, a new piece of high-quality paper was attached to the drum. Table 2 shows the results.
- the pen tips of Examples 3 to 5 have good stretchability and stability of the inner groove shape of the ink capillary passage, exhibit ink flow as designed, have no drain back, and are useful as pen tips.
- Comparative Examples 4 and 5 were inferior in both the stretchability and the stability of the inner groove shape of the ink capillary passage.
- a writing implement member of the present invention It will be manufactured, for example, an ink guide member of a writing implement, specifically, a nib such as a sign pen, a marking pen (marker), a liquid supply body such as an ink guide core, a tip of a pole pen, a ball, A pole seat member is exemplified. And the writing implement of the present invention is provided with the writing implement member manufactured above.
- the writing instrument for example, felt-tip pen, mer Kingupen, marker, ball point pen or the like is n
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002306361A AU2002306361A1 (en) | 2002-05-29 | 2002-05-30 | Resin composition for member of writing tool, member of writing tool and writing tool |
JP2004507088A JPWO2003099583A1 (ja) | 2002-05-29 | 2002-05-30 | 筆記具部材用樹脂組成物、筆記具部材及び筆記具 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-156249 | 2002-05-29 | ||
JP2002156249 | 2002-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003099583A1 true WO2003099583A1 (fr) | 2003-12-04 |
Family
ID=29561460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/005260 WO2003099583A1 (fr) | 2002-05-29 | 2002-05-30 | Composition de resine pour element d'instrument d'ecriture, element d'instrument d'ecriture et instrument d'ecriture |
Country Status (3)
Country | Link |
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JP (1) | JPWO2003099583A1 (ja) |
AU (1) | AU2002306361A1 (ja) |
WO (1) | WO2003099583A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008501064A (ja) * | 2004-05-28 | 2008-01-17 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | マイクロパルプを含有する耐摩耗性フルオロポリマー組成物 |
JP2010115786A (ja) * | 2008-11-11 | 2010-05-27 | Yamanaka Kazue | 円錐形ペン先及びこれを用いた筆記具 |
JP2012138065A (ja) * | 2010-12-27 | 2012-07-19 | Qinghua Univ | タッチペン |
JP2012138066A (ja) * | 2010-12-27 | 2012-07-19 | Qinghua Univ | タッチペン |
JP2012138064A (ja) * | 2010-12-27 | 2012-07-19 | Qinghua Univ | タッチペン |
JP2012168729A (ja) * | 2011-02-14 | 2012-09-06 | Inoac Gijutsu Kenkyusho:Kk | ペン先 |
CN110128764A (zh) * | 2019-06-04 | 2019-08-16 | 上海英雄金笔厂有限公司 | 一种钢笔树脂笔管的加工工艺 |
JP2019185653A (ja) * | 2018-04-17 | 2019-10-24 | 株式会社ワコム | 電子ペン用の芯 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6096077U (ja) * | 1983-12-07 | 1985-06-29 | 五合化学株式会社 | 水性インキボ−ルペンチツプ |
JPH03215099A (ja) * | 1990-01-19 | 1991-09-20 | Teiboo Kk | 筆記用ペン先 |
JPH05330286A (ja) * | 1992-05-29 | 1993-12-14 | Teiboo Kk | プラスチックペン体 |
JPH08325504A (ja) * | 1995-05-30 | 1996-12-10 | Mitsubishi Pencil Co Ltd | 焼成鉛筆芯の製造方法 |
JPH10250282A (ja) * | 1997-03-11 | 1998-09-22 | Kotobuki Kk | 筆記具 |
JP2002097375A (ja) * | 2000-09-22 | 2002-04-02 | Toray Ind Inc | 熱可塑性樹脂組成物及び成形品 |
-
2002
- 2002-05-30 AU AU2002306361A patent/AU2002306361A1/en not_active Abandoned
- 2002-05-30 WO PCT/JP2002/005260 patent/WO2003099583A1/ja active Application Filing
- 2002-05-30 JP JP2004507088A patent/JPWO2003099583A1/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6096077U (ja) * | 1983-12-07 | 1985-06-29 | 五合化学株式会社 | 水性インキボ−ルペンチツプ |
JPH03215099A (ja) * | 1990-01-19 | 1991-09-20 | Teiboo Kk | 筆記用ペン先 |
JPH05330286A (ja) * | 1992-05-29 | 1993-12-14 | Teiboo Kk | プラスチックペン体 |
JPH08325504A (ja) * | 1995-05-30 | 1996-12-10 | Mitsubishi Pencil Co Ltd | 焼成鉛筆芯の製造方法 |
JPH10250282A (ja) * | 1997-03-11 | 1998-09-22 | Kotobuki Kk | 筆記具 |
JP2002097375A (ja) * | 2000-09-22 | 2002-04-02 | Toray Ind Inc | 熱可塑性樹脂組成物及び成形品 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008501064A (ja) * | 2004-05-28 | 2008-01-17 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | マイクロパルプを含有する耐摩耗性フルオロポリマー組成物 |
JP2010115786A (ja) * | 2008-11-11 | 2010-05-27 | Yamanaka Kazue | 円錐形ペン先及びこれを用いた筆記具 |
JP2012138065A (ja) * | 2010-12-27 | 2012-07-19 | Qinghua Univ | タッチペン |
JP2012138066A (ja) * | 2010-12-27 | 2012-07-19 | Qinghua Univ | タッチペン |
JP2012138064A (ja) * | 2010-12-27 | 2012-07-19 | Qinghua Univ | タッチペン |
JP2012168729A (ja) * | 2011-02-14 | 2012-09-06 | Inoac Gijutsu Kenkyusho:Kk | ペン先 |
JP2019185653A (ja) * | 2018-04-17 | 2019-10-24 | 株式会社ワコム | 電子ペン用の芯 |
JP7144178B2 (ja) | 2018-04-17 | 2022-09-29 | 株式会社ワコム | 電子ペン |
CN110128764A (zh) * | 2019-06-04 | 2019-08-16 | 上海英雄金笔厂有限公司 | 一种钢笔树脂笔管的加工工艺 |
Also Published As
Publication number | Publication date |
---|---|
AU2002306361A8 (en) | 2003-12-12 |
AU2002306361A1 (en) | 2003-12-12 |
JPWO2003099583A1 (ja) | 2005-09-22 |
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