WO2001085471A1 - Accessoire d'ecriture - Google Patents
Accessoire d'ecriture Download PDFInfo
- Publication number
- WO2001085471A1 WO2001085471A1 PCT/JP2001/002527 JP0102527W WO0185471A1 WO 2001085471 A1 WO2001085471 A1 WO 2001085471A1 JP 0102527 W JP0102527 W JP 0102527W WO 0185471 A1 WO0185471 A1 WO 0185471A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ink
- chamber
- storage chamber
- hole
- ink supply
- Prior art date
Links
- 238000005192 partition Methods 0.000 claims abstract description 53
- 238000004891 communication Methods 0.000 claims abstract description 45
- 230000002093 peripheral effect Effects 0.000 claims description 34
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 6
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 241001247986 Calotropis procera Species 0.000 description 1
- 241001378740 Mugil liza Species 0.000 description 1
- 241000612182 Rexea solandri Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- B43K5/02—Ink reservoirs
- B43K5/06—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle
- B43K5/08—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle with ink-supplying valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
- B43K7/02—Ink reservoirs; Ink cartridges
-
- 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
- B43K5/02—Ink reservoirs
-
- 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
- B43K8/03—Ink reservoirs; Ink cartridges
Definitions
- the present invention relates to a writing instrument provided with an ink supply mechanism having a simple structure, and more particularly, to enabling a large amount of ink to be stored, and moreover, to stably supply ink to a pen body.
- an ink supply mechanism having a simple structure, and more particularly, to enabling a large amount of ink to be stored, and moreover, to stably supply ink to a pen body.
- a writing instrument in which a slide stopper is provided in the ing storage chamber as disclosed in Japanese Patent Publication No. 7-20753 is known.
- the slide stopper is configured to be slidable in the axial direction while maintaining the ink storage chamber in a liquid-tight manner.
- the ink storage chamber is divided into an ink portion and an air portion. It slides in response to ink consumption, expansion and contraction so that the ink inside the ink chamber always equals the atmospheric pressure. To maintain.
- Japanese Patent No. 25348482 As another type, there is a gas-liquid exchange / feeder type writing implement as disclosed in Japanese Patent No. 25348482. This type is designed so that a small amount of air is introduced into the ink storage chamber in exchange for the consumption of ink, and the pressure of the ink in the ink chamber is always kept equal to the atmospheric pressure.
- This type of writing implement has a feeder (reservoir chamber) that holds the extruded ink when the ink is extruded due to the expansion of air due to temperature changes, etc., because air is introduced into the ink storage chamber.
- a hollow chamber or a maze-shaped passage, which is called a maze-like passage, is provided adjacent to the ink storage chamber.
- such a gas-liquid exchange / feeder type writing instrument generally has a structure in which a feeder communicating with the atmosphere side and an ink storage chamber are communicated with each other through a small diameter passage.
- a feeder communicating with the atmosphere side and an ink storage chamber are communicated with each other through a small diameter passage.
- ink is always held and sealed by capillary force. Then, when a pressure difference is generated between the ink storage chamber and the outside, air is introduced into the ink storage chamber through the small-diameter passage, or the ink is pushed out of the ink storage chamber and the extruded ink is discharged. Ink is stored in the feeder.
- This type of writing implement has essentially no moving parts and is simple in construction, but has the advantage of introducing air into the ink storage chamber (gas-liquid exchange) due to ink consumption, as well as removing the ink pushed out of the ink storage chamber.
- a second object of the present invention is to provide a gas-liquid exchange feeder-type writing instrument which has a reliable gas-liquid exchange and control of the ejected ink, and has a simple structure and high reliability. Is to provide. 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 end portion of the writing implement main body; and a pen body formed between the ink storage chamber and the pen body, and communicated with the atmosphere. And a reservoir chamber communicating with the pen body, a plurality of partition walls for partitioning the reservoir chamber and the ink storage chamber, and for partitioning the ink storage chamber into a plurality of small chambers in the axial direction.
- An ink supply body that penetrates through the plurality of partition walls and supplies ink from the ink storage chamber to the pen body, wherein each of the partition walls is capable of holding ink by capillary force. Characterized by holes formed o
- the communication hole formed in each of the above-mentioned partition walls is usually closed by an ink film held by capillary force, and the ink in the ink storage chamber is The ink is supplied to the pen body via the ink supply body.
- the ink storage chamber is closed vertically because the communication hole below the ink storage chamber is closed by the ink membrane.
- the ink storage chamber is closed The head pressure corresponding to the length of is eliminated, and this head pressure does not act on the pen body.
- the seal of the communication hole formed in the partition wall between the reservoir chamber and the ink storage chamber by the ink film is broken, and The air is introduced from the reservoir chamber into the ink storage chamber to prevent negative pressure in the ink storage chamber.
- the seal of the communication hole formed in the partition wall between the reservoir chamber and the ink storage chamber by the ink film is broken, and the ink is removed from the ink storage chamber. From the reservoir chamber to eliminate the pressure expansion in the ink storage chamber.
- the above-mentioned ink storage chamber is divided into a plurality of small chambers in the axial direction by at least one partition, and when ink is consumed, the ink is discharged from the first small chamber closest to the reservoir chamber where gas-liquid exchange is performed. It is consumed and air is introduced from the reservoir only into this first chamber. Therefore, even when the ink in the first small chamber is almost completely replaced with air, the volume in the first small chamber is small, so that the amount of expansion of the air due to a temperature change or the like is small, and thus the reservoir chamber is small. The amount of ink pushed out is also small.
- the first small chamber becomes empty
- gas-liquid exchange is performed between the first small chamber and the second small chamber, and air is introduced into the second small chamber.
- the ink pushed out of the second cell is stored in the first cell. Be held. That is, when the first small chamber becomes empty, the first small chamber thereafter acts as a reservoir, and the empty chambers sequentially act as reservoirs.
- Such a continuous action makes it possible to reduce the volume of the reservoir chamber communicating with the pen body, thereby increasing the volume of the entire ink storage chamber and storing a larger amount of ink. Can be.
- this writing implement forms a reservoir chamber and a small chamber of an ink storage chamber by dividing the inside of the writing implement main body with a plurality of partition walls, and forms an ink communication hole in each partition wall.
- it has a simple structure in which an ink supply body is inserted through these partition walls, and has no moving parts, and its operation is simple. Therefore, it is highly reliable and easy to manufacture.
- FIG. 1 is a longitudinal sectional view of a writing instrument for explaining the principle of the present invention
- FIG. 2 is an enlarged longitudinal sectional view showing a main part of FIG. 1,
- FIG. 3 is a longitudinal sectional view of a writing instrument according to the first embodiment of the present invention
- FIGS. 4A to 4D are longitudinal sectional views of the writing instrument for sequentially explaining the operation of the first embodiment.
- FIGS.5A and 5B are longitudinal sectional views of a writing instrument for sequentially explaining the operation of the first embodiment, respectively, showing a state where the first small chamber acts as a reservoir chamber.
- FIG. 6 is a longitudinal sectional view of a writing implement according to the second embodiment of the present invention
- FIG. 6 is a longitudinal sectional view of a writing implement according to the third embodiment of the present invention
- FIG. FIG. 9 is a longitudinal sectional view of a writing implement according to a fourth embodiment
- FIG. 9 is a longitudinal sectional view of a writing implement according to a fifth embodiment of the present invention
- FIG. 10 is a view according to a sixth embodiment of the present invention.
- Longitudinal section of a writing instrument FIG. 11 is a longitudinal sectional view of a writing implement according to a seventh embodiment of the present invention
- FIG. 12A is a longitudinal sectional view of a writing implement according to an eighth embodiment of the present invention.
- FIG. 12B is a cross-sectional view taken along XII B—XII B of FIG. 12A,
- FIG. 13 is a longitudinal sectional view showing an example of a method for manufacturing a writing instrument according to the eighth embodiment
- FIG. 14 is an enlarged longitudinal sectional view of a part of a writing instrument according to a ninth embodiment of the present invention.
- FIG. 15 is an enlarged longitudinal sectional view of a part of the writing instrument according to the tenth embodiment of the present invention.
- FIG. 16 is an enlarged longitudinal sectional view of a part of the writing instrument according to the eleventh embodiment of the present invention.
- FIG. 17 is a sectional view taken along the line XVII—XVII of FIG. 3,
- FIG. 18 shows a first modification of the partition wall, and is a sectional view corresponding to FIG.
- FIG. 19 shows a second modification of the partition wall, and is a sectional view corresponding to FIG.
- FIG. 20 shows a third modification of the partition wall, and is a sectional view corresponding to FIG.
- FIG. 21 shows a fourth modification of the partition wall, and is a sectional view corresponding to FIG.
- FIG. 22 shows a fifth modification of the partition wall, and is a sectional view corresponding to FIG.
- FIG. 23 is a longitudinal sectional view of a writing instrument according to a 12th embodiment of the present invention.
- FIGS. 1 and 2 show a writing instrument equipped with a ball tip using a water-based ink.
- reference numeral 1 indicates a barrel of a writing instrument, that is, a main body of the writing instrument.
- a partition wall 14 is provided in a direction orthogonal to the axial direction.
- a tail end section defined by the partition wall 14 is a cylindrical ink storage chamber 2 filled with an ink A, and a tip end side is It is configured as a cylindrical reservoir chamber 10.
- the partition wall 14 is formed by press-fitting a disk-shaped member into the inside of the main body 1, and has a through hole 15 formed at the center thereof.
- a tail plug 3 is attached to a tail end of the main body 1
- a chip holder 4 is attached to a tip end
- a ball tip 5 for water-based ink is attached to a tip end of the tip holder 4.
- an anti-slip rubber bush 6 is provided on the outer periphery of the tip portion of the main body 1.
- the upper end of the tip holder 4 is formed in a cup shape and is press-fitted into the main body 1 to form an ink receiving portion 11 of the reservoir chamber 10.
- a porous ink holder 13 made of a fiber material or the like is provided at the bottom of the receiving portion 11 so as to be impregnated with ink.
- the ink holder 13 does not need to be specially provided, and even if it is provided, its configuration is not limited to a porous material made of a fiber material or the like.
- a groove extending in the axial direction is formed on the outer peripheral surface of the receiving portion 11 of the tip holder 4 to form an atmosphere communication passage 12 communicating with the atmosphere between the inner peripheral surface of the main body 1 and the groove.
- the reservoir chamber 10 communicates with the atmosphere communication passage 12. It is in communication with the atmosphere through.
- the atmosphere communication passage 12 is configured so that the ink in the reservoir chamber 10 does not leak to the outside. In this case, by providing a porous ink holder 13 in the reservoir chamber 10, the ink flowing into the reservoir chamber is impregnated and held in the ink chamber, and is externally connected to the atmosphere communication passage 12. Is reliably prevented from leaking.
- the ink supply 16 is a member called a relay core, which is composed of a porous rod-shaped member that converges and compresses a large number of fibers parallel to the axial direction, and supplies ink by capillary force. is there.
- Some members referred to as relay cores may have a water impervious coating on the outer peripheral surface of the fiber bundle as described above. However, in the configuration example shown in the figure, the outer peripheral surface has a water impervious surface. It is not coated, and can absorb the ink from the outer peripheral surface.
- the ink can flow out and in through the peripheral surface of the ink supply body 16 over the entire length thereof.
- the ink is supplied from the ink storage chamber 2 to the pen body 5 reliably and stably by the capillary force, and the porous relay core itself has an ink flow rate adjusting function, so that the ink is supplied stably. Is possible.
- the ink supply body 16 is provided over substantially the entire length along the central axis of the main body 1, and the tip thereof is held with a certain gap in a holding hole 18 formed in the tip holder 4. .
- the tail end of the ink supply body 16 is fitted and held in a holding portion 17 formed on the tail end of the main body 1.
- An intermediate portion of the ink supply 16 passes through the ink storage chamber 2, the through hole 15 of the partition wall 14, and the reservoir chamber 10.
- the inner diameter of the through hole 15 of the partition wall 14 is formed slightly larger than the outer diameter of the ink supply body 16.
- a predetermined annular gap G is defined between the outer peripheral surface of the ink supply body 16 and the inner peripheral surface of the through hole 15.
- the gap G forms a communication hole that can hold ink by capillary force.
- the size of the gap G is appropriately set according to the type of ink to be used and the like, and is set so as to always close the gap G to prevent the intrusion of air.
- the gap G between the partition walls 15 is sealed by a liquid film of ink. Therefore, even when the writing instrument is placed almost vertically with the pen body side down, the ink does not flow out of the gap G.
- the ink A in the ink storage chamber 2 is supplied to the ball chip 5 via the ink supply 16 to enable writing.
- the pressure inside the ink storage chamber 2 becomes negative. Due to this negative pressure, the seal of the ink film held in the gap G is broken, and a small amount of air commensurate with the consumption is introduced from the gap G into the ink storage chamber 2 from the reservoir chamber 10.
- the negative pressure in the ink storage chamber 2 is released and becomes equal to the atmospheric pressure. Accordingly, the gap G is again sealed with the ink film by the capillary force.
- the air After the air is introduced into the ink storage chamber 2, the air expands and contracts due to a temperature change or the like. In this case, when the introduced air contracts, similarly, the ink film held in the gap G is broken and air is introduced, thereby preventing the inside of the ink storage chamber 2 from becoming negative pressure.
- the ink film When the air in the ink storage chamber 2 expands, the ink film is broken by the pressure and the ink is pushed out of the gap G into the reservoir chamber 10.
- the extruded ink is impregnated and held in the ink holder 13, and the ink held in the ink holder 13 is consumed by writing, or When the pressure in the reservoir 2 becomes negative, the pressure is returned to the ink reservoir 2 via the ink supply 16. Therefore, excessive ink does not accumulate in the reservoir chamber 10.
- the above-mentioned ink storage chamber 2 is closed on the tail plug side, and the gap G on the front end side is always closed by the ink film. Therefore, even when the writing implement is set up as shown in FIG. 1 during writing, the water supply pressure in the ink storage chamber 2 hardly acts on the ink supply body 16. Therefore, stable supply control of ink is performed.
- the porous ink supply body 16 composed of the fiber converging body penetrates the reservoir chamber 10 communicating with the atmosphere in a state where the outer peripheral surface is exposed. Because of this, there is a function to compensate for the head pressure of this part and other pressure changes.
- the ink storage chamber 2 is a single space, the amount of air stored in the ink storage chamber 2 increases as the ink is consumed. Therefore, when the amount of expansion of air due to a temperature change or the like increases, the amount of ink pushed out to the reservoir chamber 10 increases.
- FIG. 3, FIG. 4A to FIG. 4D, FIG. 5A, and FIG. 5B show a first embodiment of the present invention.
- a plurality of, for example, three partition walls 14a are provided in the ink storage chamber 2, and the first small chamber 2a, the second small chamber 2b, and the third Compartment 4c and a fourth compartment 2d.
- These bulkheads 14a has the same structure as the partition wall 14 that partitions the ink storage chamber 2 and the reservoir 10, and the ink supply 16 passes through the through hole 15 of each of the partition walls 14a.
- the small-chamber 2a to the small-chamber 2d, which are partitioned in the axial direction, constitute the ink storage chamber 2.
- the writing implement has the first compartment 2a, the second compartment 2b, the third compartment 2c, and the fourth compartment 2d.
- Ink A is filled.
- the ink in the first small chamber 2a when the air in the first small chamber 2a expands, the ink in the first small chamber 2a is pushed out into the reservoir 10 according to the above-described operation principle, and the reservoir is opened. Collect in 10 Then, as shown in FIG. 5A, when the ink in the first small chamber 2a is consumed and emptied, air accumulates in the second small chamber 2b. As shown in FIG. 5B, the ink in the second small chamber 2b is pushed into the first small chamber 2a and accumulates in the first small chamber 2a. That is, when the ink in the first small chamber 2a is consumed, the first small chamber 2a acts as a reservoir, and similarly, the second small chamber 2b and the third Child room 3 b is a liza room Will work.
- the ink storage chamber 2 by dividing the ink storage chamber 2 and making it function as a reservoir chamber in order from the lower side as ink is consumed, it is not necessary to increase the capacity of the reservoir chamber 10. That is, since the volume of the first small chamber 2a is small, the amount of ink pushed out from the small chamber 2a is also small, and accordingly, the volume of the reservoir chamber 10 can be reduced. As a result, the volume of the entire ink storage chamber 2 can be increased accordingly, and the amount of the ink to be stored can be increased.
- FIG. 6 is a diagram showing a second embodiment of the present invention.
- a felt chip 5a is provided as a pen body.
- the present invention is not limited to the pen body communicating with the ink supply body, and various types of pen bodies can be attached.
- FIG. 7 is a diagram showing a third embodiment of the present invention.
- the tip of the porous ink supply member 16 is extended, and the tip is formed as a felt tip portion 5b.
- the pen body can be integrally formed of the material of the ink supply body 16, and the structure can be simplified by such a configuration.
- FIG. 8 is a diagram showing a fourth embodiment of the present invention.
- the ink storage chamber 2 is divided into three chambers by two partition walls, and the ink holding member 13 is not provided.
- the pen body is suitable for a writing instrument having a thick handwriting such as a white board force, and is constituted by a felt tip 5c having a large diameter.
- the air communication passage 12 leading to the reservoir chamber 10 is formed in the side wall of the writing instrument main body, and the ink pushed out to the reservoir chamber 10 is unlikely to leak to the outside. It has a structure.
- the number of small chambers that define the ink storage chamber, the configuration of the pen body, and the atmosphere can be variously modified.
- the ink storage chamber since the ink consumption is large, the ink storage chamber
- FIG. 9 is a diagram showing a fifth embodiment of the present invention.
- a cup-shaped ink holder 13 a is provided in the reservoir chamber 10 so as to be in close contact with the partition wall 14, and is provided above the cup-shaped ink holder 13 a.
- a communication hole 30 is formed to connect the inside of the ink holding member 13 a with the reservoir chamber 10.
- the ink pushed out from the first small chamber 2a accumulates in the cut-shaped ink holder 13a, so that leakage to the outside is reliably prevented. Therefore, even if the air communication path 12 leading to the reservoir chamber 10 is formed vertically on the side of the pen body 5c, the ink does not leak to the outside from there.
- FIG. 10 is a diagram showing a sixth embodiment of the present invention.
- a cup-shaped ink holder 13b is provided in a reservoir chamber 10 at a predetermined distance from a partition wall 14, and the upper edge 3b of the cup-shaped ink holder 13b is provided.
- a communication groove 32 is formed on the outer periphery of 1 so that the inside of the ink holder 13 b communicates with the reservoir chamber 10.
- FIG. 11 is a diagram showing a seventh embodiment of the present invention.
- an ink holder 13c which is slidable in the axial direction while maintaining airtightness is provided in a reservoir chamber 10 in the present embodiment.
- the ink pushed out from the first small chamber 2a accumulates in the cup-shaped ink holder 13c, so that leakage to the outside is reliably prevented. If the air or ink expands or contracts in the ink storage chamber 2 due to a temperature change, etc., the slidable ink holder 13c should be compensated by sliding. Can be.
- FIG. 12A and FIG. 12B are diagrams showing an eighth embodiment of the present invention.
- the tip of the porous ink supply member 16 is extended, and the tip is formed as a felt tip portion 5b.
- the inside diameter of the holding hole 18a of the tip holder 4 is larger than the outside diameter of the ink supply body 16 (felt tip portion 5b), and a gap H is formed between these points.
- the reservoir chamber 10 communicates with the atmosphere through the reservoir. For this reason, in the configuration of this embodiment, the atmosphere communication path 12 as described above is omitted.
- a plurality of holding projections 35 are formed projectingly on the inner peripheral surface of the tip of the holding hole 18a, and hold the felt chip portion 5a. .
- ink is normally held by capillary force, and the reservoir chamber 10 is sealed.
- a differential pressure is generated between the reservoir chamber 10 and the atmosphere.
- the seal formed by the ink film is broken, and the ink communicates with the atmosphere. Therefore, in the configuration of this embodiment, since the gap H is always sealed, the drying of the ink is effectively prevented.
- the tail plug side surface of each of the partition walls 14 and 14a is formed as a tapered surface inclined toward the through hole 15.
- the ink is injected while holding the body of the writing implement with the tip side substantially vertically upward, as shown in Fig. 13. I do.
- the surface of the partition wall 14 on the side of the tail plug is the taper surface, air is guided by the tapered surface to be surely exhausted as shown in the figure, and these partition walls 14, 1 No air bubbles remain on the lower surface of 4a.
- FIG. 14 shows the ninth embodiment of the present invention and is an enlarged view of an ink storage chamber and a reservoir chamber.
- the ink supply body 40 is composed of a rod-shaped relay core 41 made of a porous material such as a fiber convergence body and an ink impermeable film 42 coated on the peripheral surface thereof. ing. Then, a part of the coating 42 is removed over a portion facing the inner peripheral surface of each of the through holes 15 of the partition walls 14 and 14 a and a portion near the through hole 15, This portion is configured as a communication portion 43 through which ink flows.
- the communication portion 43 is formed over the vicinity of the through hole 15 so that the communication portion 43 The internal hake of the ink supply can flow from the ink storage chamber, and the ink is consumed in order from the lower chamber.
- the communicating portion 43 exposing the rod-shaped relay core 41 made of a porous material is formed in the through hole 15, the gap G is formed in the gap G as in the above configuration.
- the ink film is kept in a constant state, the characteristics are stabilized, and the ink in the gap G is not dried and clogged, so that high stability and reliability can be obtained.
- FIG. 15 shows the tenth embodiment of the present invention and is an enlarged view of an ink storage chamber and a reservoir chamber.
- the ink supply body 50 of this embodiment is configured by a small-diameter tube, and a communication portion 51 through which ink flows is formed in a portion facing the inner peripheral surface of each through hole 15 of the partition walls 14 and 14a. It has been.
- FIG. 16 shows the eleventh embodiment of the present invention and is an enlarged view of an ink storage chamber and a reservoir chamber.
- the ink supply body 50 is constituted by a small-diameter tube, and a communication portion 51a is formed in the vicinity of the through hole 15 of the partition walls 14, 14a.
- the solvent of the ink may evaporate from the surface of the ink supply body 50 in the feeder chamber 10 or the like. Is prevented. Therefore, it is advantageous when quick-drying ink or the like is used.
- the ink supply body is formed by covering a porous material with a film as shown in FIG. 14 or by using a small-diameter tube as shown in FIG. 15 and FIG.
- the communication portions 43, 51, and 5la are formed at positions where the flow of ink is secured between the ink supply body and the gap G in the through-hole through the communication portion by capillary force. It is good.
- the communication holes formed in the partition walls 14 and 14a are formed by the ink supply body 16 and the gap G on the inner circumference of the communication hole 15 passing therethrough as shown in FIG.
- the communication hole in the present invention is not limited to such a configuration, and may be formed at a position apart from the communication hole 15 of the ink supply body 16.
- FIGS. 18 to 22 show various modifications of the communication hole formed in the partition wall 14 (14a).
- the configuration shown in FIG. 18 has a circular small A communication hole 61 having a large diameter is formed, and the communication hole 61 is always sealed with an ink film by the capillary force of ink. For this reason, in this configuration, no gap is formed between the inner peripheral surface of the through hole 15 and the outer peripheral surface of the ink supply body 16.
- the outer peripheral portion of the partition wall 14 is cut out in a plane, and a bow-shaped communication hole 62 is formed between the partition wall 14 and the inner peripheral surface of the writing instrument body 1.
- the communication hole 62 is normally sealed by the ink film due to the capillary force of the ink. Also in this configuration, no gap is formed between the inner peripheral surface of the through hole 15 and the outer peripheral surface of the ink supply body 16.
- a small-area rectangular notch 63 is formed in the outer peripheral portion of the partition wall 14 to form a communication hole, and the notch 63 is always formed by the capillary force of the ink. Sealed by ink film. Even in this configuration, no gap is formed between the inner peripheral surface of the through hole 15 and the outer peripheral surface of the ink supply body 16.
- the configuration shown in FIG. 21 is a communication hole formed by forming an elongated notch 64 toward the center on the outer peripheral portion of the partition wall 14, and the notch 64 is always formed by the capillary force of the ink. Are sealed by an ink film.
- the end of the notch 64 reaches the vicinity of the through hole 15, and the ink supply 16 and the notch 64 are in a range where they can communicate with each other by capillary force. Therefore, the film formed in the notch 64 is stably held. Also in this configuration, no gap is formed between the inner peripheral surface of the through hole 15 and the outer peripheral surface of the ink supply 16.
- the configuration shown in FIG. 22 is such that an elongated notch 65 is formed radially outward from the center of the partition wall 14 to form a communication hole, and the notch 65 is formed by the capillary force of the ink. It is always sealed with an ink film. The end of this notch 65 is connected to the through hole 15 and the ink supply 16 and the notch 65 Ink can be freely communicated between the two. Therefore, the film formed in the notch 65 is stably held. Also in this configuration, no gap is formed between the inner peripheral surface of the through hole 15 and the outer peripheral surface of the ink supply body 16.
- FIG. 23 is a diagram showing a 12th embodiment of the present invention.
- a bellows-like feeder mechanism 70 is accommodated in the reservoir chamber 10.
- This feeder mechanism 70 has a structure similar to that used conventionally, and has a number of disc-shaped members protruding in a bellows shape from a central shaft portion, and an annular ring therebetween. The ink is held in the gap by capillary force.
- the bellows-like feeder mechanism 70 is provided in the reservoir chamber, it is possible to reliably hold the ink that has been pushed out and to return the ink. In addition, since the ink that has flowed into the reservoir chamber 10 is held by the feeder mechanism, it is reliably prevented from leaking to the outside from a passage communicating the reservoir chamber and the atmosphere.
- the present invention it is possible to apply the present invention to a small-sized writing instrument, for example, a writing instrument attached to a refill, a notebook, and the like.
- a writing instrument attached to a refill, a notebook, and the like.
- a disposable writing instrument and other general writing instruments are applicable. It is possible to adapt to.
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Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60136801T DE60136801D1 (de) | 2000-05-08 | 2001-03-28 | Schreibgerät |
AU2001244570A AU2001244570A1 (en) | 2000-05-08 | 2001-03-28 | Writing implement |
EP01917511A EP1281539B1 (en) | 2000-05-08 | 2001-03-28 | Writing implement |
US10/283,962 US6607325B2 (en) | 2000-05-08 | 2002-10-30 | Writing instrument |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000134915A JP3436728B2 (ja) | 2000-05-08 | 2000-05-08 | 筆記具 |
JP2000-134915 | 2000-05-08 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/283,962 Continuation US6607325B2 (en) | 2000-05-08 | 2002-10-30 | Writing instrument |
Publications (1)
Publication Number | Publication Date |
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WO2001085471A1 true WO2001085471A1 (fr) | 2001-11-15 |
Family
ID=18643100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/002527 WO2001085471A1 (fr) | 2000-05-08 | 2001-03-28 | Accessoire d'ecriture |
Country Status (13)
Country | Link |
---|---|
US (1) | US6607325B2 (ja) |
EP (1) | EP1281539B1 (ja) |
JP (1) | JP3436728B2 (ja) |
KR (1) | KR20010103641A (ja) |
CN (1) | CN1181982C (ja) |
AU (2) | AU2001244570A1 (ja) |
BR (1) | BR0101892A (ja) |
CA (1) | CA2346272A1 (ja) |
DE (1) | DE60136801D1 (ja) |
ES (1) | ES2203279B1 (ja) |
ID (1) | ID30107A (ja) |
TW (1) | TWI232182B (ja) |
WO (1) | WO2001085471A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2003002356A1 (fr) * | 2001-06-29 | 2003-01-09 | Mitsubishi Pencil Kabushiki Kaisha | Materiel d'ecriture et procede de fabrication d'un absorbeur d'encre |
WO2003018327A1 (fr) * | 2001-08-23 | 2003-03-06 | Hics Corporation | Instrument graphique |
WO2003101759A1 (fr) * | 2002-05-31 | 2003-12-11 | Hics Corporation | Instrument d'ecriture |
WO2004000575A1 (ja) * | 2002-06-24 | 2003-12-31 | Hics Corporation | 筆記具 |
Families Citing this family (24)
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JP4859282B2 (ja) * | 2001-05-02 | 2012-01-25 | 三菱鉛筆株式会社 | 直液式筆記具 |
KR20020046252A (ko) * | 2002-04-27 | 2002-06-20 | 김명원 | 볼펜심의 잉크 액 용기가 다용기 구조로 되어진 볼펜심 |
US6964534B2 (en) * | 2003-06-26 | 2005-11-15 | Binney & Smith Inc. | Retractable writing instrument |
US20070274765A1 (en) * | 2003-06-26 | 2007-11-29 | Crayola Llc | Retractable writing instrument |
WO2005123416A1 (ja) * | 2004-06-22 | 2005-12-29 | Hori, Yayoi | 液体供給装置 |
JP4137963B2 (ja) | 2006-09-08 | 2008-08-20 | 三菱鉛筆株式会社 | 筆記具 |
US7850382B2 (en) | 2007-01-18 | 2010-12-14 | Sanford, L.P. | Valve made from two materials and writing utensil with retractable tip incorporating same |
US7488130B2 (en) | 2007-02-01 | 2009-02-10 | Sanford, L.P. | Seal assembly for retractable instrument |
US8226312B2 (en) | 2008-03-28 | 2012-07-24 | Sanford, L.P. | Valve door having a force directing component and retractable instruments comprising same |
US8221012B2 (en) | 2008-11-07 | 2012-07-17 | Sanford, L.P. | Retractable instruments comprising a one-piece valve door actuating assembly |
US8393814B2 (en) | 2009-01-30 | 2013-03-12 | Sanford, L.P. | Retractable instrument having a two stage protraction/retraction sequence |
CN102120394A (zh) * | 2010-12-30 | 2011-07-13 | 林鹏贵 | 一种笔 |
CN105196735B (zh) * | 2015-09-07 | 2017-09-29 | 宁波五云笔业有限公司 | 一种直液式书写工具 |
CN105882206B (zh) * | 2016-04-21 | 2018-02-16 | 宁波五云笔业有限公司 | 耐温差和压差的书写工具 |
CN113580810B (zh) | 2016-04-21 | 2023-02-24 | 米沃奇电动工具公司 | 书写工具以及制造书写工具的方法 |
CN106142904A (zh) * | 2016-08-31 | 2016-11-23 | 王海龙 | 自动供墨毛笔 |
CN106274151A (zh) * | 2016-08-31 | 2017-01-04 | 王海龙 | 自动供墨毛笔 |
US10806244B2 (en) | 2016-12-20 | 2020-10-20 | Colgate-Palmolive Company | Personal care implement with fluid delivery system |
CN108081806A (zh) * | 2017-02-28 | 2018-05-29 | 朱郎平 | 一种仰卧状态可以继续使用的液体笔的使用方法 |
CN108501569A (zh) * | 2017-02-28 | 2018-09-07 | 莫里斯公司 | 可伸缩型书写工具 |
WO2018205669A1 (zh) | 2017-05-12 | 2018-11-15 | 青岛昌隆文具有限公司 | 一种直液式书写工具 |
CN110561945B (zh) * | 2018-06-06 | 2024-07-05 | 迈博高分子材料(宁波)有限公司 | 一种涂写工具 |
JP7320829B2 (ja) * | 2019-05-30 | 2023-08-04 | 株式会社呉竹 | ペン |
CN112855612B (zh) * | 2021-01-12 | 2024-03-22 | 宜兴市宙斯泵业有限公司 | 一种内衬不易撕裂的大型离心泵 |
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US4770558A (en) * | 1986-02-20 | 1988-09-13 | Gebr. Schmidt KG Fabrik Fuer Feinmechanik | Ink writing or drawing instrument |
GB2304311A (en) * | 1995-08-14 | 1997-03-19 | Dataprint R Kaufmann Kg | A writing implement having temporary capillary ink store |
WO1999056969A1 (fr) * | 1998-05-01 | 1999-11-11 | Mitsubishi Pencil Kabushiki Kaisha | Instrument d'ecriture |
Family Cites Families (10)
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GB204311A (en) | 1922-09-20 | 1924-05-22 | Maschf Augsburg Nuernberg Ag | Improvements in or relating to driving arrangements for rotary printing machines |
FR2546823B1 (fr) * | 1983-06-03 | 1989-02-17 | Pilot Pen Co Ltd | Noyau a plume pour un instrument d'ecriture |
EP0240994B2 (en) | 1986-04-10 | 1994-09-21 | Jiro Hori | Apparatus, such as pen, for applying liquid material |
EP0476492B1 (en) | 1990-09-11 | 1997-04-23 | Jiro Hori | Marker |
DE4115685C3 (de) * | 1991-05-14 | 2001-07-05 | Dataprint Datendrucksysteme R | Schreibgerät mit in einem Behälter frei aufgenommener Schreibflüssigkeit |
JP2679918B2 (ja) | 1992-02-17 | 1997-11-19 | 二郎 堀 | 筆記具 |
DE69400081T2 (de) | 1993-04-26 | 1996-07-25 | Jiro Hori | Schreibgerät |
JP2534821B2 (ja) | 1993-05-13 | 1996-09-18 | 二郎 堀 | 筆記具 |
CN1328507A (zh) | 1998-11-27 | 2001-12-26 | 株式会社黑库斯 | 笔记文具及其制造方法 |
DE19948477A1 (de) * | 1999-10-08 | 2001-04-12 | Dataprint R Kaufmann Gmbh | Gerät zum Auftragen von Schreib-, Zeichen-, Druck-, Malflüssigkeit oder dergleichen auf einen Untergrund |
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2000
- 2000-05-08 JP JP2000134915A patent/JP3436728B2/ja not_active Expired - Lifetime
-
2001
- 2001-03-28 AU AU2001244570A patent/AU2001244570A1/en not_active Abandoned
- 2001-03-28 WO PCT/JP2001/002527 patent/WO2001085471A1/ja active Application Filing
- 2001-03-28 CN CNB018091512A patent/CN1181982C/zh not_active Expired - Lifetime
- 2001-03-28 EP EP01917511A patent/EP1281539B1/en not_active Expired - Lifetime
- 2001-03-28 DE DE60136801T patent/DE60136801D1/de not_active Expired - Lifetime
- 2001-04-26 BR BR0101892-2A patent/BR0101892A/pt not_active Application Discontinuation
- 2001-05-01 ID IDP00200100355D patent/ID30107A/id unknown
- 2001-05-01 AU AU40280/01A patent/AU4028001A/en not_active Abandoned
- 2001-05-04 TW TW090110738A patent/TWI232182B/zh not_active IP Right Cessation
- 2001-05-04 ES ES200101021A patent/ES2203279B1/es not_active Expired - Lifetime
- 2001-05-04 KR KR1020010024310A patent/KR20010103641A/ko not_active Application Discontinuation
- 2001-05-04 CA CA002346272A patent/CA2346272A1/en not_active Abandoned
-
2002
- 2002-10-30 US US10/283,962 patent/US6607325B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US4770558A (en) * | 1986-02-20 | 1988-09-13 | Gebr. Schmidt KG Fabrik Fuer Feinmechanik | Ink writing or drawing instrument |
GB2304311A (en) * | 1995-08-14 | 1997-03-19 | Dataprint R Kaufmann Kg | A writing implement having temporary capillary ink store |
WO1999056969A1 (fr) * | 1998-05-01 | 1999-11-11 | Mitsubishi Pencil Kabushiki Kaisha | Instrument d'ecriture |
Non-Patent Citations (1)
Title |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003002356A1 (fr) * | 2001-06-29 | 2003-01-09 | Mitsubishi Pencil Kabushiki Kaisha | Materiel d'ecriture et procede de fabrication d'un absorbeur d'encre |
US7223037B2 (en) | 2001-06-29 | 2007-05-29 | Mitsubishi Pencil Kabushiki Kaisha | Production processes for writing instrument and ink occlusion body |
WO2003018327A1 (fr) * | 2001-08-23 | 2003-03-06 | Hics Corporation | Instrument graphique |
WO2003101759A1 (fr) * | 2002-05-31 | 2003-12-11 | Hics Corporation | Instrument d'ecriture |
WO2004000575A1 (ja) * | 2002-06-24 | 2003-12-31 | Hics Corporation | 筆記具 |
Also Published As
Publication number | Publication date |
---|---|
CN1181982C (zh) | 2004-12-29 |
EP1281539A4 (en) | 2007-02-14 |
KR20010103641A (ko) | 2001-11-23 |
EP1281539B1 (en) | 2008-12-03 |
AU2001244570A1 (en) | 2001-11-20 |
CA2346272A1 (en) | 2001-11-08 |
EP1281539A1 (en) | 2003-02-05 |
TWI232182B (en) | 2005-05-11 |
ES2203279B1 (es) | 2005-06-16 |
JP2001315483A (ja) | 2001-11-13 |
CN1427777A (zh) | 2003-07-02 |
US6607325B2 (en) | 2003-08-19 |
DE60136801D1 (de) | 2009-01-15 |
ID30107A (id) | 2001-11-08 |
JP3436728B2 (ja) | 2003-08-18 |
BR0101892A (pt) | 2001-12-18 |
ES2203279A1 (es) | 2004-04-01 |
AU4028001A (en) | 2001-11-15 |
US20030068191A1 (en) | 2003-04-10 |
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