WO1990014963A1 - Pointe de stylo en matiere inorganique - Google Patents

Pointe de stylo en matiere inorganique Download PDF

Info

Publication number
WO1990014963A1
WO1990014963A1 PCT/JP1990/000746 JP9000746W WO9014963A1 WO 1990014963 A1 WO1990014963 A1 WO 1990014963A1 JP 9000746 W JP9000746 W JP 9000746W WO 9014963 A1 WO9014963 A1 WO 9014963A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
nib
ink passage
metal
fine particles
Prior art date
Application number
PCT/JP1990/000746
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuo Shimoishi
Kenshi Kawashima
Kanji Tezuka
Original Assignee
Teibow Co., Ltd.
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 Teibow Co., Ltd. filed Critical Teibow Co., Ltd.
Priority to KR1019910700134A priority Critical patent/KR920700116A/ko
Priority to DE19904091003 priority patent/DE4091003T1/de
Publication of WO1990014963A1 publication Critical patent/WO1990014963A1/fr
Priority to GB919102627A priority patent/GB9102627D0/en

Links

Classifications

    • 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
    • B43K1/00—Nibs; Writing-points
    • B43K1/003—Capillary nibs

Definitions

  • the present invention relates to an inorganic nib used for writing or the like.
  • the configuration of the conventional porous nib including this nib is such that ink is supplied to the pen tip using continuous pores between particles in the metal rod as an ink passage. It is excellent in abrasion resistance and solvent resistance.
  • the ink has the buckling strength required for a pen tip, the ink is limited to those having a low viscosity, and the pigment in the ink is limited to those having a small particle size. It will be.
  • the present invention has been made in view of such circumstances, and solves the problems of incompatible viscosities, pigments, and buckling strength at once, and has excellent abrasion resistance, solvent resistance, and economy. It is an object of the present invention to provide an inorganic nib having a structure that can be mass-produced economically.
  • the inorganic nib of the present invention a mixture of metal or ceramic fine particles and a binder is extruded, degreased, and sintered in the same continuous cross-sectional structure, which penetrates in the axial direction.
  • the ink is characterized in that the ink has a deformed hole and a groove-shaped ink passage through which a capillary can move, and the ink passage end forms a part of a sharp writing surface.
  • the ink passage has a deformed hole shape formed between the ribs extending in the centripetal direction from the outer shell, and a groove-shaped groove formed between the ribs extending radially from the center.
  • the metal is preferably a corrosion-resistant metal such as stainless steel, and is also effective for stopping and the like.
  • the ceramic may be a known general material. It is desirable that the fine particles of metal or ceramic have a substantially spherical shape and a diameter of 0.1 to 10 m, and the flow resistance of the fine particles in close-packing and extrusion molding is improved. The buckling strength and the friction coefficient of the pen tip surface are improved because the relative density becomes 92-97%.
  • binders for these fine particles include known thermoplastic resins such as polypropylene, a composite of polypropylene and polyacetal, and resins such as paraffin, and are appropriately selected.
  • the pen tip diameter is 0.3 to 2.5 m0.
  • the extruded ink passage penetrates in the axial direction in a shape-controlled manner into irregular holes and grooves, and the amount of ink can be controlled and controlled by the controlled irregular holes and grooves. Therefore, it is not necessary to make the pen tip porous, the relative density of metal or ceramic fine particles can be freely increased to a desired value, and excellent characteristics in all of buckling strength, hardness and abrasion resistance can be obtained.
  • the surface of the irregularly shaped or grooved ink passage is formed with fine irregularities due to fine particles, and the ink has good wettability and retention, and does not generate drops or drain bags.
  • FIG. 1 is a side view showing an embodiment of the pen tip of the present invention.
  • Figure 2 is an enlarged cross-sectional view.
  • 3 to 6 are enlarged transverse sectional views showing other embodiments.
  • (A) is a pen tip, and this pen tip (A) is extruded, degreased and sintered to obtain a desired pen tip. It is made of metal or ceramic polished to shape.
  • the pen tip (A) has an ink passage (1) that penetrates in the axial direction and allows the ink to move through the capillary, and the end of the ink passage (1) is part of the sharp writing surface (2). Is formed.
  • the tail end of the pen tip (A) has a small diameter so that it can be easily inserted into the ink absorbing body (3), and the ink can pass from the absorbing body (3) to the ink passage (1) and the writing surface. (2) The capillary is moved.
  • the width of the ink passage (1) is set appropriately according to the viscosity of the ink, etc. It is about 0.01 to 0.10 mm.
  • the long, medium and short ribs (5) extend from the inner surface of the outer shell (4) in the centripetal direction in the cross section, respectively.
  • the ink passage (1) is shaped like a modified hole communicating with each other at the center.
  • the nib (A) illustrated in FIG. 3 has, in cross section, each rib (5) having a uniform length extending from the outer shell (4) in the centripetal direction at an equal angle.
  • the ink passage (1) has a specially shaped hole communicating with each other at the center.
  • the nib (A) illustrated in FIG. 4 has a long and short rib (5) extending equiangularly from the inner surface of the outer shell (4) in the centripetal direction in the cross section.
  • the ink passage (1) is shaped as a modified hole that communicates with each other at the center.
  • the nib (A) illustrated in FIG. 5 extends the rib (5) radially and equiangularly from the center in the cross-section, and the sub-rib (6) from each of the ribs (5). Each of them extends concentrically, and the ink passage (1) is largely divided between the ribs (5), and the grooves communicating with each other between the sub-ribs (6) in the irregular hole-shaped section. It is in shape.
  • the pen nib (A) illustrated in FIG. 6 extends the rib (5) radially and equiangularly from the center in a cross section.
  • An ink passage (1) is formed in a substantially radial groove shape between adjacent ribs (5).
  • the cross-sectional configuration of the pen tip (A) is not limited to that of the illustrated embodiment, and includes the form of the writing surface (2) in consideration of ink viscosity, writing angle, directionality, and the like. It is formed in a favorable form.
  • the production example of the nib (A) of the present invention is made of the metal of the embodiment illustrated in FIG. 2, the nickel fine particles having a particle size of 1 to 5 m ⁇ are almost 56 °.
  • the kneaded mixture of baraffin having a melting point of C is placed in the hopper of an extrusion molding machine, and a rod having a required cross-sectional shape is extruded from the molding machine and pulled down to an appropriate diameter. It is then cooled and solidified and cut to length.
  • the rod is put into the pressure chamber.
  • This pressure chamber is filled with an inert gas at a pressure of about kgf / cnf in absolute value at a temperature of about 0 ° C and the room temperature is relatively linear over a period of 8 hours. Warm from room temperature to about nO ° C and hold at that temperature for about 2 hours. Then, the rod is transferred from the pressure chamber to the cooling chamber, where it is cooled in the cooling chamber, which is maintained at a temperature of about 20. do.
  • the rod is transferred to a sintering furnace, and the furnace temperature is increased from room temperature to 1260 ° C in a substantially linear manner over about 6 hours, and the furnace is placed in an inert gas atmosphere furnace at the same temperature for about 2 hours. After placing, gradually lower the temperature. After sintering in this way, it is ground and polished to a pen with a diameter of 2.0 mm. Finished to a pointed shape.
  • the ceramic nib (A) is basically finished by the same manufacturing method as in the above-mentioned manufacturing example.
  • the particle size of the ceramic fine particles is 1 to 5 zm ⁇ .
  • the main binder is polypropylene, and the temperature for binder removal X hours is from room temperature to 250 ° C for 1Q hours, and the sintering temperature for X hours is from room temperature to 10 ° C for 8 hours.

Landscapes

  • Pens And Brushes (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

Pointe de stylo en matière inorganique n'imposant pas de restrictions quant à la viscosité de l'encre et au diamètre des particules de pigment à utiliser, présentant d'excellentes caractéristiques de résistance au flambage, à l'usure et aux solvants, et pouvant être produite à faible coût. Cette pointe présente une structure telle qu'un mélange de fines particules de métal ou de céramique avec un liant est extrudé, dégraissé et fritté pour former une pièce continue de section transversale uniforme et pourvue de trous traversants de différents profils le long de son axe, permettant une circulation capillaire de l'encre, et de rainures pour le passage de l'encre, une extrémité de la pointe présentant une surface aiguë utilisée principalement pour écrire.
PCT/JP1990/000746 1989-06-07 1990-06-07 Pointe de stylo en matiere inorganique WO1990014963A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019910700134A KR920700116A (ko) 1989-06-07 1990-06-07 무기질제 펜촉
DE19904091003 DE4091003T1 (de) 1989-06-07 1990-06-07 Stiftspitze aus anorganischem material
GB919102627A GB9102627D0 (en) 1989-06-07 1991-02-07 Pen point made of inorganic material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1/145860 1989-06-07
JP1145860A JPH039895A (ja) 1989-06-07 1989-06-07 無機質製ペン先

Publications (1)

Publication Number Publication Date
WO1990014963A1 true WO1990014963A1 (fr) 1990-12-13

Family

ID=15394750

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1990/000746 WO1990014963A1 (fr) 1989-06-07 1990-06-07 Pointe de stylo en matiere inorganique

Country Status (6)

Country Link
EP (1) EP0433459A4 (fr)
JP (1) JPH039895A (fr)
KR (1) KR920700116A (fr)
CA (1) CA2033974A1 (fr)
CH (1) CH679143A5 (fr)
WO (1) WO1990014963A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102216751A (zh) * 2008-11-17 2011-10-12 皇家飞利浦电子股份有限公司 用于采集生物学流体样本的装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0708106B1 (fr) 1994-10-20 2000-08-09 Shin-Etsu Chemical Co., Ltd. Nouveaux composés de silacyclohexane, une composition de cristaux liquides les comprenant et un dispositif à cristaux liquides contenant ladite composition

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59136294A (ja) * 1983-01-27 1984-08-04 ぺんてる株式会社 セラミツク製ペン先の製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2376759A1 (fr) * 1977-01-07 1978-08-04 Carbonisation Entr Ceram Pointe en materiau ceramique pour ecrire a l'encre
JPS59117570A (ja) * 1982-12-25 1984-07-06 Pentel Kk 色鉛筆芯およびその製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59136294A (ja) * 1983-01-27 1984-08-04 ぺんてる株式会社 セラミツク製ペン先の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0433459A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102216751A (zh) * 2008-11-17 2011-10-12 皇家飞利浦电子股份有限公司 用于采集生物学流体样本的装置

Also Published As

Publication number Publication date
KR920700116A (ko) 1992-02-19
JPH039895A (ja) 1991-01-17
CH679143A5 (fr) 1991-12-31
EP0433459A1 (fr) 1991-06-26
EP0433459A4 (en) 1991-12-04
CA2033974A1 (fr) 1990-12-08

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