WO2003101759A1 - Instrument d'ecriture - Google Patents

Instrument d'ecriture Download PDF

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Publication number
WO2003101759A1
WO2003101759A1 PCT/JP2002/005353 JP0205353W WO03101759A1 WO 2003101759 A1 WO2003101759 A1 WO 2003101759A1 JP 0205353 W JP0205353 W JP 0205353W WO 03101759 A1 WO03101759 A1 WO 03101759A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
ink supply
reservoir
storage chamber
reservoir chamber
Prior art date
Application number
PCT/JP2002/005353
Other languages
English (en)
Japanese (ja)
Inventor
Jiro Hori
Katsumi Hori
Eiji Hori
Original Assignee
Hics 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 Hics Corporation filed Critical Hics Corporation
Priority to AU2002304127A priority Critical patent/AU2002304127A1/en
Priority to PCT/JP2002/005353 priority patent/WO2003101759A1/fr
Priority to TW091116705A priority patent/TW581734B/zh
Publication of WO2003101759A1 publication Critical patent/WO2003101759A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
    • B43K8/04—Arrangements for feeding ink to writing-points

Definitions

  • the present invention includes an ink storage chamber for storing a liquid ink in a writing instrument main body, and a reservoir chamber (also referred to as a feeder) for compensating for a change in temperature or pressure in the ink storage chamber.
  • the present invention relates to a writing instrument of a type in which a chamber is partitioned by a partition.
  • an ink supply path is provided between the ink storage chamber and the pen body, and ink in the ink storage chamber is supplied to the pen body through the ink supply path, and between the pen body and the ink storage chamber, A reservoir chamber that communicates with the atmosphere is provided, and the ink storage chamber and the reservoir chamber are separated by partition walls.
  • the ink supply passage is fitted to the center of the partition wall, and a capillary flow passage is formed between the partition wall and the inner peripheral surface of the writing instrument main body.
  • the writing instrument configured as described above, for example, when the temperature in the ink storage chamber expands due to a rise in temperature and the pressure in the ink storage chamber increases, ink flows into the reservoir chamber through the capillary flow passage, The internal pressure is kept constant by compensating for the pressure rise in the ink storage chamber. Also, for example, when the temperature in the ink storage chamber is reduced due to the temperature decrease and the pressure in the ink storage chamber is reduced, the ink stored in the reservoir flows through the capillary flow passage to the ink storage chamber, and the ink is stored in the ink storage chamber. The internal pressure is kept constant by compensating for the pressure drop in the room.
  • the ink storage chamber Temperature and pressure changes in the ink chamber can be compensated for by capillary flow passages formed around the partition wall, but depending on the posture of the writing implement, ink can be supplied regardless of the pressure change in the ink storage chamber. May flow into reservoir chamber. For example, in a state where the writing implement is laid down or inclined as in a writing posture, if the capillary flow path is located on the lower side, the head pressure acts on that part and ink may flow out to the reservoir chamber. is there. In addition, it may be difficult to keep the capillary flow passage sealed with ink in a constant state due to the storage state (posture change) of the writing implement, temperature change, and the like.
  • the writing instrument having the above-described configuration has a problem in that the sealing characteristics in the capillary flow passage are not stable, and further, the ink in the capillary flow passage dries and becomes clogged. It is not always possible to obtain the ink.
  • Japanese Patent Application Laid-Open No. 62-220400 discloses a plurality of tubular passages (the partition wall and the inner periphery of the main body). And between the partition wall and the outer periphery of the ink supply) are also known, but a siphon phenomenon easily occurs between these passages, and as a result, the ink flows out into the reservoir chamber.
  • the present inventor in the earlier application, formed a through-hole in the center of the partition wall that partitions the ink storage chamber and the reservoir chamber, and, in addition to this through-hole, for example, We have proposed a writing instrument that penetrates an ink supply body (relay core that connects the pen body and the ink storage chamber) formed of a rod-shaped body made of a porous material. 1 5 4 8 3).
  • the diameter of the above-mentioned through hole is formed larger than the diameter of the ink supply body, and a gap capable of holding ink by capillary force is formed between the ink supply body and the through hole. ing.
  • the communication hole has a state in which an ink film (seal) is formed between the outer peripheral surface of the ink supply body impregnated with ink by capillary force, and the pressure in the ink storage chamber increases.
  • the ink film in the communication hole is broken, and the ink is pushed out into the reservoir chamber to cancel the pressure expansion in the ink storage chamber.
  • the ink film in the communication hole is broken, and a small amount of air is introduced from the reservoir chamber into the ink storage chamber. Prevent negative pressure in the storage room.
  • the pressure change in the ink storage chamber is compensated by the ink film formed by the capillary force in the gap between the outer periphery of the ink supply body through which the ink flows and the communication hole. Since it is formed on the central axis of the ink storage chamber, it is least susceptible to changes in the posture of the writing instrument, thereby stabilizing the sealing characteristics and inadvertently flowing out of the ink storage chamber into the reservoir chamber. Is suppressed. In addition, since there is only one gas-liquid exchange part, no siphon phenomenon occurs, and it is possible to prevent ink from flowing out of the ink storage chamber to the reservoir chamber, and to prevent such gas-liquid exchange. The dimensional control of the gap where the replacement is performed is also facilitated.
  • the present invention has been made based on the above circumstances, and provides a writing implement that suppresses a pen body from being in an ink-lick state when air in an ink storage chamber expands and ink flows into a reservoir chamber.
  • the purpose is to: Disclosure of the invention
  • a writing implement includes an ink storage chamber formed in a writing implement main body, a pen body provided at a tip of the writing implement main body, and an ink storage chamber formed between the ink storage chamber and the pen body. Communicating the reservoir chamber, the reservoir chamber and the ink storage chamber, a partition having a through-hole formed in the center thereof, and supplying the ink in the ink storage chamber to the pen body; An elongated ink supply body that is inserted through the through hole with a predetermined gap; and a separator provided in the reservoir chamber and through which the ink supply body is inserted without a gap. An outflow portion is formed to allow water to flow out to the pen body side of the reservoir chamber.
  • an ink film is formed in the communication hole formed in the central portion of the partition wall by a capillary force in a gap between the communication hole and the outer peripheral surface of the ink supply body inserted therein. It becomes a closed state.
  • the temperature change and the pressure change in the ink storage chamber are compensated as follows. In other words, when ink is consumed from the pen body by writing, or when the air in the ink storage chamber shrinks due to a temperature drop, the ink film of the communication hole is broken, and a small amount of air is introduced from the reservoir chamber into the ink storage chamber. This prevents negative pressure in the ink storage chamber.
  • the ink film in the communication hole is broken, and the ink is pushed out to the reservoir chamber, thereby eliminating the pressure expansion in the ink storage chamber.
  • the inflow of air and the outflow of ink are performed through the through-hole formed in the center of the partition wall.
  • the central part is not easily affected by the head pressure, and the most effective gas-liquid exchange action is maintained.
  • the ink flowing along the outer surface of the ink supply body is radially outward along a separator provided in the reservoir chamber, that is, the writing implement main body. It is directed to the inner surface and flows out into the reservoir through the outflow formed at Separe.
  • the ink that has flowed out of the ink storage chamber has a large flow of (f 2) as described above, but since the ink supply is passed through the separation without gaps, the surface of the ink supply is The ink flowing through the reservoir is turned by the separation and flows into the reservoir through the outlet. As a result, the amount of ink flowing into the pen body is reduced, and the pen body is prevented from entering the ink-tight state.
  • a member provided between the pen body and the partition in the reservoir chamber for changing the direction of ink flowing around the outer periphery of the ink supply body is defined as "separate overnight”.
  • the writing implement of the present invention further includes an ink storage chamber formed in the writing implement main body, a pen body provided at a tip of the writing implement main body, the ink storage chamber, and the ink storage chamber.
  • a reservoir formed between the reservoir and the reservoir and communicating with the atmosphere; a reservoir defining the reservoir and the ink reservoir; and a through-hole formed in the center thereof;
  • An elongated ink supply body that supplies ink in the chamber to the pen body and penetrates the through-hole with a predetermined gap, wherein the outer peripheral surface of the ink supply body is located on the center side in the reservoir chamber.
  • a separation section provided with a pressure-contact portion that presses toward the surface of the ink supply section, and in this separation section, an outflow section that allows the ink that has flowed out of the ink storage chamber to flow toward the pen body of the reservoir chamber is formed, and a surface of the ink supply body is formed.
  • a guide is formed to guide the ink flowing along the inner surface of the reservoir toward the inner wall of the reservoir.
  • FIG. 1A is a drawing showing a state in which ink flows out of the ink storage chamber in a writing instrument in which the ink storage chamber and the reservoir chamber are separated by a partition wall
  • FIG. 1B is an enlarged view of FIG. 1A. Figure;
  • FIG. 2 is a longitudinal sectional view showing a first embodiment of a writing instrument according to the present invention
  • FIG. 3A is a sectional view taken along the line III-III in FIG. 2
  • FIG. 4A is a longitudinal sectional view showing a second embodiment of the writing instrument according to the present invention
  • FIG. 4B is a longitudinal sectional view for explaining the function of Separei;
  • Fig. 5 is a longitudinal sectional view showing a modified example of the separation
  • FIG. 6 is a longitudinal sectional view showing a third embodiment of the writing instrument according to the present invention
  • FIG. 5 is a longitudinal sectional view showing a fourth embodiment of the writing instrument according to the present invention
  • FIG. 8 is a longitudinal sectional view showing a fifth embodiment of the writing instrument according to the present invention.
  • FIG. 1 OA is a longitudinal sectional view showing a seventh embodiment of the writing instrument according to the present invention
  • FIG. 10B is a view showing the configuration of an ink supply body. Figure;
  • FIGS. 11A to 11D are views each showing a modification of Separet;
  • FIG. 12A is a longitudinal sectional view (Separate) showing an eighth embodiment of the writing instrument according to the present invention.
  • the overnight section is a cross-sectional view along the line A-A in Fig. 12D)
  • Fig. 12B is a diagram showing the overall configuration of Separet
  • Fig. 12C is a 12B
  • FIG. 12D is a cross-sectional view taken along the line C—C of FIG. 12
  • FIG. 12D is a cross-sectional view taken along the line D—D of FIG.
  • FIG. 13A is a longitudinal sectional view showing a ninth embodiment of the writing instrument according to the present invention (a part of the separation section is a sectional view taken along line A--A in FIG. 13D), and FIG. Figure B shows the overall configuration of the separation, Figure 13C is a cross-sectional view taken along the line C-C of Figure 13B, Figure 13D is the figure D of Figure 13B — Cross section along line D;
  • FIG. 14 is a longitudinal sectional view showing a tenth embodiment of the writing instrument according to the present invention
  • FIG. 15A is a longitudinal sectional view showing a eleventh embodiment of the writing instrument according to the present invention
  • Figure 15B shows the overall structure of the separation
  • Figure 15C is a cross-sectional view taken along line CC of Figure 15B
  • Figure 15D is Figure 15B Cross section along the line D-D of
  • FIG. 16 is a perspective view of Separé overnight shown in FIG. 15B;
  • FIG. 17 is a longitudinal sectional view showing a 12th embodiment of the writing instrument according to the present invention
  • FIG. 18A is a longitudinal sectional view showing a 13th embodiment of the writing instrument according to the present invention (separator; The evening part is a cross-sectional view taken along the line A-A in Fig. 18D)
  • Fig. 18B is a diagram showing the entire configuration of the separatory
  • Fig. 18C is a diagram in Fig. 18B C-C Cross-sectional view along line C
  • Fig. 18 D is a cross-section along line D-D in Fig. 18 B Figure;
  • FIG. 19A is a longitudinal sectional view showing a fourteenth embodiment of the writing instrument according to the present invention
  • FIG. 19B is a view showing the configuration of Separet.
  • FIG. 2 shows a first embodiment of the present invention, and shows a writing instrument using a water-based ink.
  • the writing implement includes a shaft cylinder, that is, a writing implement main body 1, in which a cylindrical ink storage chamber 2 for storing ink A is formed.
  • a cylindrical holder 5 is inserted into the distal end of the main body 1 so as to form a part of the reservoir chamber 3, and a pen 7 (a felt tip in this embodiment) is inserted into the distal end.
  • the tip holder 5a for holding the ⁇ is formed in a body ⁇ In this case, the ink storage chamber 2 and the reservoir chamber 3 are formed with a through hole 8a at the center and pressed into the inside of the main body 1
  • a tail plug 9 is attached to the tail end of the main body 1 to maintain the ink storage chamber in a sealed state.
  • a cylindrical portion 5b extending into the main body 1 (inside the reservoir chamber 3) is formed integrally, and the outer periphery of the cylindrical portion 5b and the holder 5 are formed.
  • the gap defined between the inner circumference and the inner circumference functions as the ink receiving portion 12 of the reservoir chamber 3.
  • the receiving portion 12 may be provided with a porous ink holding member made of a fiber material or the like so as to impregnate and hold the ink.
  • the reservoir chamber 3 is provided with a communication hole so as to communicate with the atmosphere.
  • the pen body 7 provided in the tip holder 5a and the inner peripheral surface of the tip holder 5a A communication passage 13 extending in the axial direction is formed between them to communicate the reservoir chamber 3 with the atmosphere.
  • an ink supply body 15 extending in the axial direction so as to supply the ink in the ink storage chamber to the pen body 7 and inserted through the through hole 8 a of the partition wall 8.
  • the ink supply body 15 in the present embodiment has a front end connected to the pen body 7 and a rear end side fitted into a rear end holder 17 provided at the tail end of the ink storage chamber to be closed. ing.
  • the ink supply body 15 in the present embodiment is constituted by a porous rod-shaped member (relay core) that converges and compresses a large number of fibers parallel to the axial direction, and causes the ink to be drawn by capillary force.
  • the pen body 7 is supplied.
  • the outer peripheral surface of the above-described fiber converging body is separately coated with an impervious coating.
  • the outer peripheral surface is impermeable to water. It is not coated, and it is possible to absorb the ink from its outer peripheral surface.
  • the outer diameter of the ink supply 15 is slightly smaller than the diameter of the through hole 8a formed in the partition wall 8, and the outer peripheral surface of the ink supply 15 and the through hole 8a are formed.
  • a predetermined annular gap G is formed between the inner peripheral surface and the inner peripheral surface.
  • the gap G is appropriately set depending on the type of the ink to be used and the like.
  • the gap G is held by the capillary force so that the gap G is always closed to provide a sealing action to prevent air from entering. Is set. Since the outer periphery of the ink supply member 15 is permeable to ink, an ink film is always formed in the gap G, and this ink is applied by the capillary force of the gap G when writing is performed. Due to the capillary force of the large ink supply 15, the ink is taken into the ink supply 15, and the air enters from the reservoir chamber 3 accordingly.
  • a member (separator) 20 for changing the direction of the ink flowing around the outer periphery of the ink supply body 15 is provided.
  • the separator 20 is formed in a disk shape, and a hole 20a is formed in the center thereof to allow the ink supply member 15 to pass through without any gap.
  • An outflow portion 20b is formed to allow the ink that has flowed out of the ink storage chamber to flow out to the pen body side of the reservoir chamber.
  • the outflow portion 2Ob prevents the ink flowing out of the through hole 8a of the partition wall 8 from flowing to the pen body 7 along the outer periphery of the ink supply body as it is, that is, to make the vane body 7 in an ink-rich state.
  • the fluid flows into the reservoir chamber 3 (specifically, the receiving portion 12 described above).
  • a slit formed at a predetermined interval (90 ° interval) is formed on the outer peripheral portion. And is preferably formed in such a size that the ink is not held by the capillary force.
  • the gap G between the through holes 8a formed in the partition walls 8 is sealed with a liquid film of ink. Therefore, even when this writing instrument is placed in a substantially vertical position with the pen body 7 side down, the ink does not flow out from the gap G (when writing is performed, the ink in the ink storage chamber 2 is not G is drawn out from the lower side by the capillary force of the ink supply body 15 and supplied to the pen body 7. Then, when the ink in the ink storage chamber 2 is consumed by writing, the ink storage chamber 2 Due to this negative pressure, a small amount of air commensurate with the consumption is introduced into the ink storage chamber 2 from the reservoir G through the gap G, and the negative pressure in the ink storage chamber 2 is eliminated. Is done.
  • the outflowing ink flows on the inner surface side (along the inner surface) of the main body 1, so that the ink is accumulated in the receiving portion 12 in FIG.
  • the ink flowing out of the ink storage chamber 2 is not directly supplied to the pen body 7 due to the arrangement of the separation tray 20 as described above, so that the pen body 7 is in an ink-rich state. Is suppressed.
  • liquid leakage and the occurrence of dots at the beginning of writing characters are suppressed.
  • the ink accumulated in the receiving portion 12 is returned to the ink supply body 15 due to a change in posture, etc., because the outer periphery of the ink supply body 15 can absorb the ink, and is consumed by writing.
  • the pressure on the ink storage chamber 2 side becomes negative, the pressure is returned to the ink storage chamber 2 side.
  • the writing implement having the above-described configuration has a simple structure and has no moving parts, so that it is easy to manufacture, has a simple operating principle, and has high reliability.
  • a part that controls the consumption of ink in the ink storage chamber 2 the introduction of air into the ink storage chamber 2 to compensate for expansion and contraction due to temperature change, atmospheric pressure change, etc., and ink ejection.
  • the ink in the gap G does not dry and clog, and extremely stable operation can be secured.
  • this writing instrument is left for a long time, for example, with the pen body 7 facing upward, ink is supplied from the peripheral surface of the ink supply body 15 into the gap G by capillary force. Stable characteristics can be obtained without the ink in the inside drying out and clogging.
  • the through hole 8a is Because it is formed at the center of the writing instrument, it is least susceptible to changes in the water head pressure due to changes in the posture of the writing instrument, and there is no unnecessary drainage of ink.
  • the rear end side of the ink supply body 15 of the present embodiment is closed, for example, when a pen body is covered with a cap, air is prevented from entering the ink supply body, As a result, stable supply control of the ink becomes possible.
  • an ink storage chamber and a reservoir chamber are partitioned by a partition wall, an ink supply body is passed through a central portion of the partition wall, and a gap for performing gas-liquid exchange is formed in the insertion portion.
  • the writing implement is characterized in that the ink supply body is inserted without a gap and the separation tray having an outflow portion is disposed in the reservoir chamber. Therefore, the configurations of the ink storage chamber, the reservoir chamber, the ink supply body, and the like are not limited, and can be variously modified. Hereinafter, embodiments in which such components are modified will be described.
  • FIG. 4A is a view showing a writing instrument according to a second embodiment of the present invention.
  • a plurality of (two) partition walls 28 having a through hole 28 a formed in the center thereof through which the ink supply body 15 is inserted are provided in the ink storage chamber shown in FIG. 2.
  • An example is shown in which a plurality of ink storage chambers are divided and arranged in the axial direction (the divided ink storage chambers are indicated by reference numerals 2a, 2b, and 2c).
  • the through hole 28 a of each partition wall 28 is configured similarly to the through hole 8 a of the partition wall 8, and a gap is formed between the through hole 28 a and the ink supply body 15.
  • the separation 30 of this embodiment includes a hole 30a formed at the center and a slit-shaped outflow portion 3Ob formed radially outward, similarly to the separation 20. Further, an extension portion 31 is formed at the center of the extension portion 31 extending toward the partition wall 8 and covering the ink supply member 15 with a predetermined length.
  • the extension 31 is formed to have a length that protrudes toward the ink storage chamber side from the surface P1 of the partition wall 8 on the reservoir chamber side.
  • the extended portion 31 covering the outer periphery of the ink supply member 15, particularly, the front end portion thereof is pressed against the outer peripheral surface of the ink supply member with a predetermined pressing force. It is preferable to form a pressing portion 32 (adjusting portion) to be formed.
  • the ink supply member 15 is constituted by a porous rod-shaped member that converges and compresses a large number of fibers parallel to the axial direction. 2 and press the ink supply toward the center, it is possible to adjust the amount of ink flowing through the ink supply 15 when the air in the ink storage chamber expands, The amount of ink flowing to 7 can be effectively controlled.
  • such adjustment of the ink flow rate is variously changed by changing the press-contact length L of the press-contact portion 32 or changing the diameter difference between the inner diameter of the press-contact portion and the outer diameter of the ink supply body. It is possible.
  • the extension section 31 and the ink supply As shown in FIG. 5, it is preferable to form a gap having a predetermined interval along the axial direction between the outer peripheral surface of the body and the body.
  • a gap By forming such a gap, it is possible to hold the ink by the capillary force acting here (ink pool due to the gap), and to suppress the flow of (f 2) described above, The amount of ink flowing to the pen body 7 can be effectively controlled.
  • FIG. 6 is a diagram showing a third embodiment of the present invention.
  • This embodiment shows a configuration example in which a reservoir chamber formed in the main body 1 is divided into two in the axial direction by a reservoir chamber partition wall 40 (first reservoir chamber 3a, second reservoir chamber 3a). BA room 3b).
  • first reservoir chamber 3a first reservoir chamber 3a
  • second reservoir chamber 3a second reservoir chamber 3a
  • BA room 3b BA room 3b.
  • separate reservoirs 20 and 20 are provided in the reservoir chambers 3a and 3b, respectively, as in the configuration shown in FIG.
  • a cylindrical projection 41 that extends toward the ink storage chamber and surrounds the ink supply body 15 is formed in the reservoir chamber partition 40. Is preferred. By forming such a protruding portion 41, even if the writing implement is changed in posture, the ink that has flowed out to the second reservoir chamber 3b is less likely to flow out to the first reservoir chamber 3a. It is possible to more effectively suppress the flow of the ink into the vent body 7.
  • a configuration may be adopted in which one of the reservoir rooms is provided with a separator.
  • FIG. 7 is a diagram showing a fourth embodiment of the present invention.
  • the reservoir chamber of this embodiment is divided into two in the axial direction by a reservoir chamber partition 40.
  • Separators 20 and 50 are provided in the reservoir chambers 3a and 3b, respectively.
  • Each separator 20 and 50 is a tubular member 5 through which the ink supply member 15 is inserted. Ream by 1
  • the separation, 20 and 50, and the tubular body 51 are integrally formed.
  • the separator 50 arranged on the side of the second reservoir chamber 3b is formed in a disk shape and has an outer diameter smaller than the inner diameter of the main body 1, and A gap G1 serving as an ink outflow portion is defined between the surface and the outer peripheral surface of the separator 50.
  • the configuration of the separator 50 is simplified, and the outflow portion is formed over the entire outer peripheral portion of the separator 50, so that the ink is applied to the main body 1 regardless of the change in the posture. Can flow downward along the inner peripheral surface of the.
  • the distal end of the tubular body 51 is formed so as to protrude toward the ink storage chamber side from the surface P 1 of the reservoir 8 on the reservoir chamber side, as in the configuration shown in FIG. Is preferred.
  • FIG. 8 is a diagram showing a fifth embodiment of the present invention.
  • This embodiment shows a configuration in which the separator 30 in the above-described embodiment shown in FIG.
  • the axial distance between the bulkhead 8 and the separator 30 is set to such an extent that a capillary force can be obtained.
  • the separator 30 by disposing the separator 30 between the partition wall 8 and the separator 30 so that a capillary force is generated, the ink flowing into the reservoir chamber 3 can be used to change the posture of the writing implement, etc. This makes it easy to return to the ink storage chamber side.
  • FIG. 9 is a diagram showing a sixth embodiment of the present invention.
  • the rear end of the ink supply 15 is closed.
  • the rear end of the ink supply 15 is not closed. It may be configured to be exposed to the ink storage room 2.
  • the rear end of the ink supply body 15 is to be closed, for example, the rear end may be baked or impregnated with wax or the like. Or other processing.
  • FIG. 10A is a diagram showing a seventh embodiment of the present invention.
  • the ink supply body 15 is constituted by a porous rod-shaped member that converges and compresses a large number of fibers parallel to the axial direction, as shown in FIG. 10B.
  • the resin member 15a can be appropriately deformed, for example, by applying a resin coat 15a to the outer periphery of the same member along the axial direction.
  • the configuration of the ink outflow portion formed in each separation can be variously modified, for example, as shown in FIGS. 118 to 11D.
  • the separator 60 shown in FIG. 11A has a disk shape, has a hole 60a at the center thereof through which the ink supply body is inserted, and has four triangular grooves at 90 degree intervals on its outer periphery.
  • the separation plate 70 shown in FIG. 11B is a disk-shaped plate having a hole 70a at the center through which an ink supply member is inserted, and 90% on the outer periphery thereof.
  • Four semicircular slits 70b are formed at intervals of degrees.
  • the separator 80 shown in FIG. 11C has a hole 80 a at the center through which an ink supply member is inserted, and a linear portion 80 b that is not in contact with the inner periphery of the main body.
  • the separator 90 shown in FIG. 11D has a disc shape, has a hole 90a at the center through which the ink supply body passes, and is provided at intervals of 90 degrees outside the radial direction.
  • One circular hole 90b is formed.
  • the shape of the separator and the slit functioning as the outlet formed in the separator can be appropriately modified in shape, interval, number, and the like.
  • a seal between the outer periphery of the separator and the main body, with at least one through-hole formed radially outside of the separator, or a disk-shaped separator with the inner surface of the main body For example, a gap may be formed between the outer peripheral edge of the separator and the inner surface of the main body, such as by forming a groove in the main body.
  • the separation can be appropriately modified such as a conical shape in addition to the disk shape.
  • FIGS. 12A to 12D are views showing an eighth embodiment of the present invention.
  • a pressure contact portion 32 that presses the outer periphery of the ink supply body 15 toward the center is formed at the tip of the separation 30 to supply ink. The amount of ink flowing inside the body 15 can be adjusted.
  • ink may accumulate at the boundary between the lower end of the press-contact portion and the surface of the ink supply body 15, and the ink accumulated here may Is the flow (f 2) shown in FIG. 1 along the ink supply 15 or the flow (f 4) returning to the ink supply again to bring the pen body 7 into an ink-rich state.
  • the ink flowing out of the ink storage chamber is more likely to flow from the outlet formed on the outer circumference of Separation, but the ambient temperature rises slowly. In such a case, the ink tends to flow along the ink supply body 15.
  • the separator 100 of this embodiment has a configuration in which the amount of ink flowing inside the ink supply body 15 can be adjusted, and furthermore, the pen body 7 is brought into the ink-in state regardless of the surrounding temperature change.
  • the feature is that it is configured not to allow it to occur.
  • the separator 100 has a cylindrical main body 101 having a through hole 101 a through which the ink supply body 15 is inserted with a predetermined gap, and a partition wall 8 at the center thereof. Are formed integrally so as to extend toward The end portion of the extension portion 102 is provided with a press contact portion 103 which presses against the outer peripheral surface of the ink supply member with a predetermined pressing force (adjustment portion). ) Is formed, and a predetermined gap is formed below the press contact portion 103 with the outer peripheral surface of the ink supply body 15.
  • the main body 101 has a slit-shaped outflow portion 105 through which the ink flowing out of the ink storage chamber 2a flows out to the pen body side of the reservoir chamber.
  • the main body 101 has a predetermined interval (90 ° interval in the configuration shown in the figure) so that the ink flowing along the surface of the ink supply body is guided toward the inner wall of the reservoir chamber 3.
  • a slit-like guide (slit) 106 extending in the axial direction is formed.
  • the main body 101 is fitted into the main body 1 at the upper end portion of the holder 5, and each outflow portion 105 and each guide portion 106 are formed so as to communicate with each other.
  • the ink having flowed out of 2a flows into the reservoir chamber 3 through the outflow portion 105 and the slit 106.
  • the above configuration it is possible to adjust the amount of ink flowing inside the ink supply body 15 by the press contact portion 103, and it is possible to effectively control the amount of ink flowing to the pen body 7. .
  • the ink supply member 15 and the extension portion Since a predetermined gap is formed between the pen body 7 and the pen body 7, the pen body 7 does not go into the ink-etching state because it functions as an ink reservoir.
  • the lower region of the main body 101 is formed so as to have a slight gap 10 lb between the inner peripheral surface of the main body 1 and the capillary force. Is preferred.
  • the slit The ink sucked out by 106 can be stored (an ink reservoir is formed), and when the internal pressure of the ink storage chamber 2a decreases, or when writing or the like is performed, The ink stored therein can be easily returned to the ink supply 15 (ink storage chamber 2a).
  • the press contact portion 103 may be formed so as to be longer in the axial direction.
  • FIGS. 13A to 13D are views showing a ninth embodiment of the present invention.
  • Separator 100A of this embodiment has a cavity 101c formed in the main body 101 of the separator 100 shown in FIG. 12B, and a top surface of the cavity.
  • the taper 106 a is inclined toward the inner wall of the reservoir chamber 3.
  • the ink flowing along the ink supply member 15 is sucked out by the slit 106, it is transferred to the inner wall of the reservoir chamber 3 by the taper 106a. Since the pen body 7 can be guided toward, the pen body 7 can be more reliably prevented from being in an ink-rich state. Further, it is possible to easily guide the ink toward the receiving portion 12 of the reservoir chamber 3 along the inner peripheral wall 106 b of the hollow portion 101 b.
  • a slight gap 101b between the inner peripheral surface of the main body 1 and the capillary force acts. It is preferable to form it as follows.
  • FIG. 14 is a diagram showing a tenth embodiment of the present invention.
  • the separation portion 100B of this embodiment is obtained by further extending the extension portion 102 of the separation portion shown in FIG. That is, the extending portion 102a protrudes above the through hole 8a of the partition wall 8, and the press-contact portion 103a is formed at the protruding portion.
  • FIG. 15 to FIG. 15D and FIG. 16 are views showing a first embodiment of the present invention.
  • Separation plate 100C of this embodiment is a modification of the slit (guide portion) formed in the main body of the separation plate shown in FIG. 12B. That is, the slit 110 is formed by a gap formed by a plurality of ribs 111 extending downward from the rear surface of the main body 101.
  • the slit 110 is formed by the plurality of thin ribs 111, the influence of sink is reduced during the molding of the separator, and the dimensional control is facilitated. However, it is possible to reduce variations in the molded separation.
  • FIG. 17 is a diagram showing a 12th embodiment of the present invention.
  • the separation unit 100D of this embodiment is obtained by omitting the extension unit 102 of the separation unit shown in FIG. 12B and fitting the ink supply unit 15 to the main body unit 101.
  • the press contact portion is formed by the main body.
  • FIGS. 188 to 18D are diagrams showing a thirteenth embodiment of the present invention.
  • the main body 101 of Separete 100 E of this embodiment is a
  • the main body portion of the separator shown in the figure is further extended downward, and the slit 106c is formed to a length reaching the receiving portion 12 of the reservoir chamber 3.
  • the ink flowing out of the ink storage chamber 2a is stored in the slit 106c, so that it is possible to easily return the ink to the ink supply unit 15 .
  • FIG. 19A and FIG. 19B are diagrams showing a fourteenth embodiment of the present invention.
  • Separation overnight 100F of this embodiment is obtained by removing the slit 106 of the separation night 100 shown in the above-mentioned FIGS. 12A to 12D.
  • the ink may accumulate at the boundary between the lower end of the press contact portion 103 and the surface of the ink supply member 15.
  • the ink collected here is held by a gap (ink pool) 120 formed between the ink supply member 15 and the extension portion 102, and thus forms the slit 106 described above. You don't have to.
  • annular walls 8 b, 28 b having a predetermined length in the axial direction are formed on the outer peripheral portion of the partition walls 8, 28, and each partition wall is formed on the inner peripheral surface of the main body 1. It is configured so that it can be stably held against.
  • At least one groove 8c, 28c is formed on the lower surface of each of the partition walls 8, 28, and is connected to each of the through holes 8a, 28a and extends in the radial direction.
  • the ink accumulated between the lower surface of each of the partition walls 8 and 28 and the outer peripheral surface of the ink supply body 15 is directed toward the inner periphery of the main body 1 by the capillary force of the groove.
  • the ink flowing along the ink supply member 15 can be suppressed, and the pen member 7 can be prevented from being in an ink-filled state.
  • annular walls 8b and 28b and the grooves 8c and 28c are applicable to configurations of other embodiments.
  • the configuration of the separator can be appropriately modified as long as the ink flowing out of the ink storage chamber can be effectively guided to the inner peripheral side of the reservoir chamber 3.
  • the configuration of the separator can be appropriately modified as long as the ink flowing out of the ink storage chamber can be effectively guided to the inner peripheral side of the reservoir chamber 3.
  • the shape and number of guides (slits) formed on the pen body side of the separator can be modified as appropriate.
  • the pen body may be configured so that the ink in the ink storage chamber can be written, such as by extending the ink supply body to the tip holder and using a tip portion thereof or a configuration having a ball tip. Good. Further, other components can be appropriately changed according to the type of the ink used, the type of the pen body, and the like. Industrial applicability
  • the present invention can be applied to a small writing instrument, for example, a writing instrument attached to a feeler, a notebook, and the like.
  • the present invention can be applied to a disposable writing instrument and other general writing instruments. It is possible.

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  • Pens And Brushes (AREA)

Abstract

L'invention concerne un instrument d'écriture comprenant un compartiment de réserve d'encre, un éléments d'écriture, un compartiment réservoir formé entre le compartiment de réserve d'encre et l'élément d'écriture et communiquant avec l'atmosphère, une paroi de séparation séparant le compartiment réservoir du compartiment de réserve d'encre, et présentant une ouverture traversante dans sa partie centrale, un élément de transfert d'encre fin, qui transfère l'encre contenue dans le compartiment de réserve d'encre vers l'élément d'écriture, et qui est inséré dans le l'ouverture traversante avec un jeu prédéterminé, et un séparateur installé dans le compartiment réservoir, et dans lequel l'élément de transfert d'encre est inséré sans laisser de jeu. Cet instrument d'écriture est caractérisé par un élément d'écoulement formé dans le séparateur, qui permet à l'encre de s'écouler dans le compartiment réservoir, du côté de l'élément d'écriture.
PCT/JP2002/005353 2002-05-31 2002-05-31 Instrument d'ecriture WO2003101759A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2002304127A AU2002304127A1 (en) 2002-05-31 2002-05-31 Writing implement
PCT/JP2002/005353 WO2003101759A1 (fr) 2002-05-31 2002-05-31 Instrument d'ecriture
TW091116705A TW581734B (en) 2002-05-31 2002-07-26 Pen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/005353 WO2003101759A1 (fr) 2002-05-31 2002-05-31 Instrument d'ecriture

Publications (1)

Publication Number Publication Date
WO2003101759A1 true WO2003101759A1 (fr) 2003-12-11

Family

ID=29606638

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/005353 WO2003101759A1 (fr) 2002-05-31 2002-05-31 Instrument d'ecriture

Country Status (3)

Country Link
AU (1) AU2002304127A1 (fr)
TW (1) TW581734B (fr)
WO (1) WO2003101759A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7300466B2 (ja) * 2018-12-06 2023-06-29 テイボー株式会社 中継芯、筆先ユニット及び液体塗布具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770558A (en) * 1986-02-20 1988-09-13 Gebr. Schmidt KG Fabrik Fuer Feinmechanik Ink writing or drawing instrument
EP0516538A1 (fr) * 1991-05-27 1992-12-02 Conte S.A. Article d'écriture à encre liquide comportant un reservoir tampon microporeux
WO1998021052A2 (fr) * 1996-11-12 1998-05-22 Avery Dennison Corporation Ustensile servant a distribuer un liquide
WO2001085471A1 (fr) * 2000-05-08 2001-11-15 Hics Corporation Accessoire d'ecriture

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770558A (en) * 1986-02-20 1988-09-13 Gebr. Schmidt KG Fabrik Fuer Feinmechanik Ink writing or drawing instrument
EP0516538A1 (fr) * 1991-05-27 1992-12-02 Conte S.A. Article d'écriture à encre liquide comportant un reservoir tampon microporeux
WO1998021052A2 (fr) * 1996-11-12 1998-05-22 Avery Dennison Corporation Ustensile servant a distribuer un liquide
WO2001085471A1 (fr) * 2000-05-08 2001-11-15 Hics Corporation Accessoire d'ecriture

Also Published As

Publication number Publication date
TW581734B (en) 2004-04-01
AU2002304127A1 (en) 2003-12-19

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