WO2012157594A1 - Instrument d'application - Google Patents

Instrument d'application Download PDF

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Publication number
WO2012157594A1
WO2012157594A1 PCT/JP2012/062252 JP2012062252W WO2012157594A1 WO 2012157594 A1 WO2012157594 A1 WO 2012157594A1 JP 2012062252 W JP2012062252 W JP 2012062252W WO 2012157594 A1 WO2012157594 A1 WO 2012157594A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
coating liquid
batting
liquid storage
flow path
Prior art date
Application number
PCT/JP2012/062252
Other languages
English (en)
Japanese (ja)
Inventor
中谷　泰範
昇平 土田
Original Assignee
株式会社サクラクレパス
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 株式会社サクラクレパス filed Critical 株式会社サクラクレパス
Priority to CN201280024342.6A priority Critical patent/CN103561966A/zh
Priority to KR1020137032710A priority patent/KR20140043381A/ko
Publication of WO2012157594A1 publication Critical patent/WO2012157594A1/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
    • 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
    • B43K5/005—Pen barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K15/00—Assembling, finishing, or repairing pens
    • 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
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/18—Arrangements for feeding the ink to the nibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/005—Pen barrels
    • 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
    • B43K7/00—Ball-point pens
    • B43K7/10—Arrangements for feeding ink to the ball points
    • 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
    • B43K8/003—Pen barrels
    • 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
    • B43K8/022—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material with writing-points comprising fibres
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0018—Erasers, rubbers, or erasing devices; Holders therefor with fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0056—Holders for erasers
    • B43L19/0068—Hand-held holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0087—Assembling, repairing or finishing erasers

Definitions

  • the present invention relates to an applicator that supplies a built-in coating liquid to a coating body such as a pen tip. More specifically, the present invention relates to a coating liquid supply means for stabilizing the supply amount of the coating liquid to the coating body. It is related with the applicator which has.
  • the applicator in this specification is not limited to a writing instrument such as a felt pen, a fountain pen, a line marker, and a white board marker.
  • a liquid object such as a correction pen can be applied to an arbitrary object such as a paper surface or a white board. It is used as a general term for things that include tools for painting.
  • a coating liquid supply means for stably supplying the coating liquid to the nib (coating body) a batting (coating liquid occlusion body) capable of impregnating the ink (coating liquid) between the pen nib and the ink tank
  • the padding absorbs excess ink, so that ink is not supplied too much to the pen tip.
  • the ink absorbed by the batting is supplied to the pen tip, so that an insufficient supply of ink can be prevented.
  • the ink can be stably supplied to the nib.
  • a communication pipe connecting the ink tank of the direct liquid writing instrument and the ink occlusion body (coating liquid occlusion body) is provided, and ink is transferred from the ink tank to the ink occlusion body via the communication pipe.
  • the applicator to supply is widely known.
  • the direct liquid writing instrument is a so-called non-operation type writing instrument.
  • the non-operation type writing instrument is a writing instrument that can supply ink to the pen tip without performing an operation for supplying ink such as knocking the pen tip or the pen shaft.
  • the communication pipe may have to be thickened depending on the ink used.
  • the ink when ink having high viscosity is used, the ink is clogged in the communication pipe, and the ink flowing in the communication pipe may not reach the ink occlusion body. That is, depending on the viscosity of the ink, the ink may not flow to the ink occlusion body only by the force of the ink's own weight. In such a case, it is necessary to increase the diameter of the communication pipe so that the ink can flow easily. However, when the diameter of the communication pipe is increased, there is a design limitation that the diameter of the main body must be increased in order to install the thick communication pipe.
  • the present invention can use various application liquids in a non-operation type applicator even when the diameter of the communication pipe is small, and can stably supply the application liquid from the ink occlusion body to the pen tip. It is an object to provide a simple applicator.
  • the invention according to claim 1 for solving the above-mentioned problem has a coating liquid storage part in which the filled coating liquid can flow and a coating body for applying the coating liquid,
  • An applicator provided with a flow path forming section having a flow path through which a coating liquid can be passed between a coating liquid storage section and a coating liquid storage body, provided with a coating liquid storage body impregnated with a coating liquid between the coating bodies
  • the flow path forming portion has at least one protruding portion and a pressing portion, the protruding portion protrudes toward the application body side, a hollow portion is formed inside, and the hollow portion and the outside communicate with each other.
  • the applicator is characterized in that a communication hole is provided, and at least a part of the pressing portion is in contact with the application liquid storage body from above.
  • the flow path forming portion has a pressing portion, and at least a part of the pressing portion is in contact with the coating solution storage body from above.
  • the capillary force of the coating liquid storage body can be increased by pressing the coating liquid storage body from above. Therefore, even when the ink has a high viscosity or when the ink does not move downward only by its own weight as in the case where the pore diameter of the communication pipe is small, the ink can be drawn into the coating liquid occlusion body by the capillary force. . That is, a wide variety of coating liquids can be employed with a communication pipe having a small diameter.
  • the vicinity of the lower end of the coating liquid storage body is a high density portion having a relatively low porosity
  • the vicinity of the upper end of the coating liquid storage body is a low density portion having a higher porosity than the vicinity of the lower end. That is, the density difference is formed between the upper end portion and the lower end portion of the coating liquid storage body, and the capillary force near the lower end of the coating liquid storage body is stronger than the capillary force near the upper end of the coating liquid storage body. It becomes.
  • the coating liquid flows from a portion having a small capillary force to a large portion, the ink drawn into the coating solution storage body can be reliably moved further downward. That is, the ink supply to the pen tip can be stabilized.
  • the invention according to claim 2 is the applicator according to claim 1, wherein a lower end of the pressing portion is located above the communication hole.
  • the lower end of the said press part is located above the said communicating hole. Therefore, since the pressing portion does not hinder the contact between the communication hole and the coating liquid storage body, the communication hole and the coating liquid storage body can be reliably brought into contact with each other. Specifically, when the lower end of the pressing portion is below the communication hole, or when the height direction of the lower end of the pressing portion and the communication hole are the same, the application liquid is occluded in the direction in which the pressing portion is separated from the protruding portion. By pressing the body, the contact between the communication hole formed in the protruding portion and the coating liquid storage body may be hindered.
  • the pressing portion since the pressing portion is above the communication hole, the contact between the application liquid storage body located on the lower side of the protruding portion and the communication hole is not hindered.
  • the protrusion part which is a communicating pipe contacts the coating liquid storage body, it can arrange
  • the coating liquid is attracted by the capillary force of the coating liquid occlusion body, and the amount of the coating liquid flowing out from the communication pipe per time is stabilized. That is, a situation in which the flow of the coating liquid does not stagnate due to the surface tension of the coating liquid at the tip of the communication pipe does not occur.
  • the pressing portion is a plate-like protrusion that protrudes substantially perpendicularly outward from the side surface of the protruding portion, and extends from the proximal end portion in the protruding direction of the protruding portion to the distal end portion.
  • an applicator having a high-strength pressing portion and a protruding portion (communication pipe) that is easy to manufacture.
  • the invention according to claim 4 is the applicator according to any one of claims 1 to 3, wherein a part of the coating liquid storage body is disposed inside the flow path forming portion.
  • a part of the coating liquid occlusion body is disposed inside the flow path forming portion.
  • the invention according to claim 5 is the applicator according to any one of claims 1 to 4, wherein the flow path forming portion and the coating liquid storage portion can be detachably attached.
  • the coating liquid can be replenished only by replacing the coating liquid storage part. Therefore, replenishment of the coating liquid is easier than when the coating liquid is replenished using a separate member such as a dropper in the coating liquid container in the applicator main body.
  • the coating liquid storage portion is provided with a storage portion side through hole that communicates the outside and the internal space below, and the flow path forming portion is formed from a base portion and a protruding portion.
  • a cylindrical portion is formed in the base portion, and the cylindrical portion communicates with a hollow portion of the protruding portion, and is accommodated when the flow path forming portion and the coating liquid storage portion are attached.
  • the capillary force of the batting can be increased, even when the ink does not move downward only by its own weight as in the case where the hole diameter of the communication tube is small, the ink is absorbed by the capillary force. Can be drawn into the body. That is, there is an effect that a wide variety of coating liquids can be employed with a communication pipe having a small diameter.
  • the capillary force near the lower end of the batting can be made stronger than the capillary force near the upper end. As a result, the ink drawn into the coating liquid occlusion body can be surely moved downward, so that the ink supply to the pen tip can be stabilized.
  • FIG. 2 is an explanatory diagram showing a state in which the relay core is partially broken and the relay core of FIG.
  • the applicator 1 is specifically a white plate marker.
  • the ink tank part 5 which can store the ink 7 is distribute
  • positioning part 8 is formed in the front side of the hollow part.
  • the front and rear of the hollow portion of the main body cylinder 2 are partitioned by the relay core 3.
  • the main body cylinder 2 is a cylinder formed of an appropriate material such as a resin such as polypropylene or a metal such as niobium.
  • the main body cylinder 2 is formed of a front end portion 28 and a rear end portion 29.
  • the appearance of the distal end portion 28 has a shape that tapers toward the front side. Specifically, from the rear side toward the front side, four portions of a cylindrical portion 28a having a large diameter, a cylindrical portion 28b having a small diameter, a tapered portion 28c, and a cylindrical portion 28d having the smallest diameter are continuous. is doing. At this time, the cylindrical portion 28a having a large diameter and the cylindrical portion 28b having a small diameter are continuous through a step.
  • an internal space 30 communicating in the longitudinal direction is present inside the tip portion 28, and the internal space 30 is also tapered toward the front side.
  • a main body side spiral groove 28 e is formed at the rear end of the inner peripheral surface of the tip end portion 28.
  • the rear end portion 29 is a substantially bottomed cylindrical lid body provided with an opening on one side.
  • the batting 4 is a known batting and is a member having continuous pores that can be impregnated with the ink 7. More specifically, it is formed of an appropriate fiber such as an acrylic fiber, and the ink 7 can be impregnated therein.
  • the relay core 3 is a characteristic component of the present embodiment, and will be described in detail below.
  • the relay core 3 is formed of an appropriate material such as a synthetic resin such as polypropylene or polyacetal, or a metal. Further, as shown in FIG. 2, the relay core 3 is formed of a protruding portion 11 and a base portion 12.
  • the protruding portion 11 is formed of a substantially cylindrical protruding portion main body 32 and a rectangular flat plate-shaped pressing piece 33 (pressing portion). At this time, the protruding portion main body 32 protrudes substantially vertically from the front end surface 25 (upper end surface in FIG. 2) of the base portion 12 toward the front (upward in FIG. 2), and the center of the protruding portion main body 32 and the base portion 12. The axes are arranged to be the same. That is, the protruding portion 11 protrudes from the vicinity of the center portion of the front end face 25 of the base portion 12.
  • the pressing pieces 33 are provided at two locations that are shifted by approximately 180 degrees in the circumferential direction of the side surface of the protruding portion main body 32, and protrude outward from the side surface of the protruding portion main body 32.
  • the two pressing pieces 33 both project in a direction substantially perpendicular to the longitudinal direction (projecting direction) of the projecting portion main body 32. Accordingly, the two pressing pieces 33 protrude in directions away from each other.
  • the pressing piece 33 extends along the longitudinal direction of the protruding portion main body 32.
  • the rear end portion of the pressing piece 33 is in contact with the front end surface 25 of the base portion 12, and the front end portion of the pressing piece 33 is the front end of the projecting portion main body 32 (the front end in the projecting direction and the upper end in FIG. 2). It is located slightly rearward (lower side in FIG. 2). That is, the two pressing pieces 33 both project substantially vertically from the front end surface 25 (upper end surface in FIG. 2) of the base portion 12 toward the front (upward in FIG. 2), and the length in the longitudinal direction is the projecting portion. It is slightly shorter than the main body 32.
  • the width L1 of the pressing piece 33 that is, the length L1 in the protruding direction of the pressing piece 33 is not particularly limited, but is preferably 2.0 mm to 4.5 mm, and more preferably 3.0 mm to 4. It is desirable to be 0 mm.
  • the thickness L2 of the pressing piece 33 that is, the length L2 in the direction substantially perpendicular to the longitudinal direction (extending direction) and the protruding direction of the pressing piece 33 is not limited, but is 1.0 mm to 3.0 mm. It is desirable that the thickness is 1.5 mm to 2.0 mm.
  • the projecting portion 11 is provided with a communication hole 13 at the front end portion thereof.
  • the communication hole 13 is provided on a circular surface 24 at the front end of the projecting portion 11 in the projecting direction (the upper surface in FIG. 2, the surface facing the surface where the projecting portion 11 is in contact with the base portion 12). Yes.
  • the communication hole 13 has a circular opening shape, and the center of the opening overlaps the central axis of the protruding portion 11.
  • the size of the diameter of the communication hole 13 is not particularly limited, but is preferably 2.0 mm to 7.0 mm, more preferably 2.0 mm to 5.0 mm, The thickness is preferably 2.5 mm to 3.0 mm.
  • the area of the opening of the communication hole 13 is preferably 3.14 mm 2 (square millimeter) to 38.47 mm 2 (square millimeter), and more preferably 4.9 mm 2 (square millimeter) to 7.07 mm 2 (square millimeter). It is desirable that
  • the base portion 12 is formed of an outer cylinder portion 35 and an inner cylinder portion 36 located inside the outer cylinder portion 35.
  • the outer cylinder portion 35 has a substantially bottomed cylindrical shape in which an open port 39 is provided on one side.
  • the inner cylinder portion 36 has a substantially cylindrical shape.
  • the inner cylinder part 36 has a smaller diameter than the outer cylinder part 35 and is located at the center of the outer cylinder part 35, and the central axes of the inner cylinder part 36 and the outer cylinder part 35 are the same.
  • Each of the inner cylinder part 36 and the outer cylinder part 35 is a cylinder extending in the front-rear direction (vertical direction in FIG. 3). As shown in FIG.
  • the front end portion of the inner cylindrical portion 36 is continuous with the inner bottom surface 40 of the outer cylindrical portion 35, and the rear end portion is the rear end of the outer cylindrical portion 35 (the lower end in FIG. 3). ) Protruding rearward (downward in FIG. 3).
  • the length of the inner cylinder portion 36 in the front-rear direction (vertical direction in FIG. 3) is longer than that of the outer cylinder portion 35.
  • a taper portion 36a having a narrower diameter as the outer peripheral surface of the inner tube portion 36 moves rearward is formed at the rear end portion of the inner tube portion 36.
  • a hollow portion 21 is provided inside the protruding portion 11 inside the relay core 3, and hollow portions 22 and 41 are provided inside the base portion 12.
  • a hollow portion 21 is provided inside the protruding portion main body 32.
  • the hollow portion 21 is a space having a circular cross-sectional shape.
  • the center portion of the projecting portion main body 32 is parallel to the longitudinal direction from the end portion on the base portion 12 side of the projecting portion main body 32 toward the communication hole 13. And is continuous with the communication hole 13.
  • the communication hole 13 and the hollow portion 21 have the same cross-sectional diameter, and the center of the opening is at the same position. That is, the projecting portion main body 32 has a substantially cylindrical shape with the center portion penetrating through the hollow portion 21 and the communication hole 13. Therefore, the hollow portion 21 is continuous with the outside through the communication hole 13.
  • the hollow portion 22 provided on the inner side of the inner cylinder portion 36 is a space that has a circular cross section and extends along the longitudinal direction of the inner cylinder portion 36.
  • connection hole 23 is a through hole that penetrates the bottom plate portion at a position facing the opening 39 of the base portion 12 from the inside to the outside, and has a circular cross section and extends in the penetration direction.
  • each of the connecting hole 23 and the hollow portion 21 of the projecting portion main body 32 is a hole having a circular cross-sectional shape, and has the same cross-sectional diameter, hole extending direction, and central axis.
  • the connecting hole 23 and the hollow part 21 of the protrusion main body 32 are overlapped to form one through hole. Therefore, the inner peripheral surface of the hollow portion 21 of the protrusion main body 32 and the inner peripheral surface of the connecting hole 23 are the same surface.
  • both the connecting hole 23 and the hollow portion 22 of the inner cylindrical portion 36 are holes that have a circular cross-sectional shape, and have the same cross-sectional diameter, hole extending direction, and central axis.
  • an internal space 20 is formed in which the hollow portion 21 of the projecting portion main body 32, the connecting hole 23, and the hollow portion 22 of the inner cylinder portion 36 are integrally formed.
  • the internal space 20 is a through-hole penetrating from the opening 36 b on the rear end side of the hollow portion 22 formed in the inner cylindrical portion 36 to the opening of the communication hole 13 formed in the protruding portion main body 32.
  • the internal space 20 has a circular cross-sectional shape, has substantially the same cross-sectional diameter, and extends back and forth along the longitudinal direction of the relay core 3.
  • the opening 36b on the rear end side of the hollow portion 22 formed in the inner cylinder portion 36 and the opening of the communication hole 13 formed in the projecting portion main body 32 are in a position facing each other and have substantially the same shape. ing.
  • the ink tank portion 5 is formed of a tank body portion 42 having a substantially cylindrical appearance and a body tube engaging portion 43.
  • the tank main body 42 has an inner space 45 formed by hollowing out the inner portion.
  • the rear portion 46 of the tank main body 42 has an inner diameter and an outer diameter that decrease from the center portion toward the rear.
  • the front portion 47 of the tank body 42 extends from the center portion to the front end with substantially the same inner diameter and substantially the same outer diameter.
  • a circular plate-like bottom plate portion 48 is provided at the front end (the lower end in FIGS. 4 and 5) of the tank main body portion 42.
  • the bottom plate portion 48 is provided so as to close the front of the tank main body portion 42, and as shown in FIG. 5, the inner side surface 48a which is the top surface of the bottom plate portion 48 and the outer surface which is the bottom surface of the bottom plate portion 48.
  • the side surface 48 b is a surface that is substantially orthogonal to the longitudinal direction of the tank body 42.
  • an ink supply hole 49 is formed in the center portion of the bottom plate portion 48 to communicate the outside with the internal space 45 of the tank main body portion 42.
  • the ink supply hole 49 is a through-hole penetrating from the outer surface 48b to the inner surface 48a of the bottom plate portion 48, and has a circular cross-sectional shape and extends in the penetrating direction.
  • the shape of the opening provided in the outer surface 48b and the inner surface 48a is also circular.
  • the diameter of the opening 49a formed in the outer surface 48b of the bottom plate portion 48 is not particularly limited, but is preferably 2.0 mm to 7.0 mm, and more preferably 2.5 mm to 3.0 mm. It is desirable that
  • a relay core engaging portion 50 is provided so as to surround the opening of the ink supply hole 49 formed on the outer surface 48 b of the bottom plate portion 48.
  • the relay core engaging portion 50 is an annular standing wall that protrudes substantially vertically downward from the outer surface 48 b of the bottom plate portion 48.
  • the relay core engaging portion 50 is provided at a position slightly away from the edge portion of the opening of the ink supply hole 49.
  • the main body cylinder engaging portion 43 includes a cylindrical portion 43a positioned so as to surround the vicinity of the central portion in the longitudinal direction of the tank main body portion 42, and the front end of the inner peripheral surface of the cylindrical portion 43a.
  • This is formed by a connecting portion 43 b that connects the portion (the lower end portion in FIG. 5) and the outer peripheral surface of the tank main body portion 42.
  • the inner peripheral surface of the cylindrical portion 43 a is located slightly away from the outer peripheral surface of the tank main body 42.
  • a connecting portion 43 b is located between the front end portion of the inner peripheral surface of the cylindrical portion 43 a and the outer peripheral surface of the tank main body portion 42.
  • the connecting portion 43b is integrated with each of the front end portion of the inner peripheral surface of the cylindrical portion 43a and a part of the outer peripheral surface of the tank main body portion 42, and is continuous with these without a gap. Accordingly, an annular groove 51 is formed between the inner peripheral surface of the cylindrical portion 43a and the outer peripheral surface of the tank main body 42, with the front end closed and the rear end open. An ink tank side spiral groove 43c is formed on the outer peripheral surface of the cylindrical portion 43a.
  • the nib 6 is the same as a known nib, and is formed of a material obtained by joining appropriate fiber bundles such as a fiber bundle heat-bonded processed body, a fiber bundle resin processed body, a felt resin processed body, and the like. Thus, the ink 7 is sucked from the filling 4.
  • a pen tip 6 is attached to the front end portion of the distal end portion 28 of the main body cylinder 2.
  • the batting 4 is installed on the rear side of the pen tip 6.
  • the batting 4 is installed in the main body cylinder 2 in a state of being packed in a cylinder (not shown) formed of an appropriate material such as PP (polypropylene). Further, at this time, the front end of the batting 4 and the rear end of the pen tip 6 are in contact with each other.
  • the relay core 3 is inserted into the internal space 30 of the tip portion 28. At this time, the relay core 3 is inserted such that the protruding portion 11 is the front and the base portion 12 is the rear. Then, substantially all portions of the protruding portion main body 32 and the two pressing pieces 33 of the protruding portion 11 are inserted into the batting 4. That is, the part from the front end in the front-rear direction to the vicinity of the rear end of the protruding portion main body 32 and the two pressing pieces 33 is inserted into the batting 4.
  • the relay core 3 is inserted from the rear side of the batting 4, and the protruding portion main body 32 and the two pressing pieces 33 of the protruding portion 11 move the batting 4 from the rear to the front (from above in FIG. 13). Pressing down).
  • a portion from the front end surface 25 of the base portion 12 of the relay core 3 to a portion near the front end of the internal space 30 is the batting arrangement portion 8.
  • the opening of the communication hole 13 of the projecting portion 11 is covered with the filling 4 over substantially the entire surface.
  • a part of the batting 4 enters the internal space 20 (hollow portion 21) of the protruding portion 11 from the communication hole 13. That is, a part of the batting 4 is disposed in the vicinity of the front end (in the vicinity of the lower end in FIG. 6) of the internal space 20 of the protruding portion 11. In other words, a part of the batting 4 is arranged at a portion located rearward (upward in FIG. 6) from the opening surface of the communication hole 13, and the opening of the communication hole 13 is blocked by the batting 4.
  • the relay core 3 is connected to the distal end portion 28 of the main body cylinder 2. 3 is fitted and fixed.
  • An ink tank portion 5 in which the internal space 45 is filled with the ink 7 is attached to the front end portion 28 of the main body cylinder 2 from the rear side of the relay core 3.
  • the ink tank side spiral groove 43c formed on the outer periphery of the ink tank portion 5 and the main body side spiral groove 28e formed on the inner peripheral surface of the tip portion 28 of the main body cylinder 2 are screwed together, and the ink A tank portion 5 is fixed to the main body cylinder 2.
  • the rear end portion of the inner cylindrical portion 36 is inserted inside the relay core engaging portion 50 that is an annular standing wall.
  • the rear end part of the inner cylinder part 36 is fitted and fixed to the relay core engaging part 50.
  • the opening 49 a located outside the ink supply hole 49 and the opening 36 b formed in the inner cylinder portion 36 are in contact with each other.
  • the ink supply hole 49 and the internal space 20 are connected, and these are as if they were integrated through holes.
  • a rear end portion 29 of the main body cylinder 2 is attached from the rear of the ink tank portion 5. Specifically, the front end portion of the rear end portion 29 of the main body cylinder 2 is inserted into the annular groove 51 formed in the ink tank portion 5.
  • the operation of the applicator 1 of the present embodiment will be described with reference to FIGS.
  • the ink 7 moves from the internal space 45 of the ink tank portion 5 to the batting arrangement portion 8 side by gravity as shown in FIG.
  • the ink 7 passes through the ink supply hole 49 and moves to a lower portion of the internal space 20 of the relay core 3.
  • the ink 7 that has moved to the vicinity of the lower end of the protruding portion 11 is drawn downward by its own gravity and the capillary force of the batting 4.
  • the ink 7 is discharged from the communication hole 13 and supplied to the batting arrangement portion 8. That is, the internal space 20 of the relay core 3 becomes an ink flow path when the ink 7 is supplied.
  • the batting 4 is pressed from above by the pressing piece 33.
  • a medium density portion 53 having a relatively low porosity is formed in the lower portion of the batting 4. That is, by pressing the batting 4 from above with the pressing piece 33 or the like, a part of the pressed batting 4 is pushed down and accumulated.
  • a low density portion 54 having a relatively high porosity and a low fiber density is formed in the upper portion, and a medium density portion 53 having a relatively low porosity and a high fiber density is formed in the lower portion of the batting 4.
  • the nib 6 is a high density portion having a fiber density higher than that of the medium density portion 53 of the batting 4.
  • the part from which the fiber density from which the upper part and lower part of the batting 4 continue is different, and the fiber density becomes high toward the downward direction.
  • the low density part 54, the medium density part 53, and the high density part (pen tip 6) are continuing toward the front end of the nib 6 from the rear end of the batting 4.
  • the middle density portion 53 extends from the front end of the batting 4 to the vicinity of the lower end of the pressing piece, and the rear portion from the vicinity of the lower end of the pressing piece 33.
  • a low density portion 54 is formed.
  • outside air (a minute amount of air) is introduced into the internal space 45 of the ink tank unit 5 from the communication hole 13.
  • the ink 7 and the outside air are exchanged in the internal space 45, and the ink 7 is vigorously supplied from the communication hole 13 to the batting arrangement portion 8.
  • the applicator 1 of the present embodiment introduces outside air from the communication hole 13 and discharges the ink 7 from the communication hole 13.
  • the relay core 3 of the present embodiment has only one protruding portion 11 that is a communication tube, and only one protruding portion 11 serves as both an outside air introduction tube and an ink discharge tube. .
  • this protrusion part 11 it has the structure by which introduction
  • the flow rate of the ink 7 can be made a more preferable speed by making the diameter and area size of the communication hole 13 as described above desirable. Thereby, supply of the ink 7 to the batting arrangement
  • the relay core 3 is configured to include the pressing piece 33, and as described above, the ink 7 can be strongly drawn from the relay core 3 to the batting 4. .
  • the ink 7 can be stably supplied even when the protrusion 11 has only one structure. That is, in this embodiment, the ink 7 can be sufficiently supplied by only one protrusion 11 without providing two or more protrusions or a protrusion having a large diameter. Thereby, in this embodiment, it is not necessary to provide two or more projecting portions or to form a projecting portion having a large diameter, and there is an advantage that the degree of freedom in designing the relay core 3 is high.
  • the ink 7 is continuously supplied from the state shown in FIG. 8A to the batting arrangement portion 8, so that the batting 4 is impregnated with the ink 7 as shown in FIG. 8B.
  • the ink 7 that has reached the vicinity of the communication hole 13 is pulled by the capillary force of the batting 4. Therefore, the flow of the ink 7 does not stagnate in the vicinity of the communication hole 13 due to the surface tension of the ink 7 or the like.
  • the water level of the ink 7 in the batting arrangement portion 8 rises (the boundary line of the water level approaches the ink tank portion 5 side). As shown in FIG. 8C, the water level of the ink 7 in the batting arrangement portion 8 that rises eventually reaches the height (position) of the communication hole 13.
  • the ink 7 in the batting arrangement portion 8 rises, the ink 7 is filled up to the position of the communication hole 13 as shown in FIG. As a result, the ink 7 impregnated with the communication holes 13 is liquid-sealed and substantially blocked. And it becomes impossible to introduce external air into the internal space 45 of the ink tank part 5, and supply of the ink 7 to the batting arrangement
  • the front side (lower side in FIGS. 8 and 9) of the filling 4 is sufficiently impregnated with the ink 7, and the rear side (upper side in FIGS. 8 and 9) is not impregnated with the ink 7.
  • the back side of the batting 4 is not impregnated with the ink 7. However, this is not the case when the ambient temperature rises or the posture of the applicator 1 is inclined.
  • the ink 7 supplied to the batting 4 is less likely to flow from the medium density portion 53 to the low density portion 54. That is, since the ink 7 supplied to the batting 4 easily flows toward the pen tip 6, the ink 7 can be supplied to the pen tip 6 stably.
  • the applicator 1 is a marker
  • the present invention may be an applicator such as a fountain pen, a ballpoint pen, or a correction liquid. Therefore, the raw material and shape of the main body cylinder 2 can be changed as appropriate.
  • the nib 6 includes a fiber bundle resin processed body, a fiber bundle heat-bonded processed body, a felt processed body, a pipe-shaped pen body, a fountain pen type plate pen body having a slit at the tip, a brush pen body, and a synthetic resin.
  • the porous foam, the ball-point pen tip, the synthetic resin extruded body having the ink guide path in the axial direction, and the like.
  • the batting 4 may be a member having continuous pores that can be impregnated with the ink 7 as described above, and the shape thereof is not limited to a substantially cylindrical shape or a substantially rectangular parallelepiped shape. The raw material and shape can be changed as appropriate.
  • the form in which the protruding portion main body 32 of the relay core 3 is in contact with the batting 4 is described, but the relay core 3 and the batting 4 do not necessarily have to be in contact.
  • the relay core 3 (the communication hole thereof) and the batting 4 are not in contact, the surface tension acting on the ink 7 exceeds the gravity when the inner diameter of the relay core 3 is small, and the ink 7 enters the hollow portion 21.
  • the outflow amount of the ink 7 per hour may be reduced when the ink 7 is supplied to the batting arrangement portion 8 of the ink 7.
  • the relay core 3 and the batting 4 are in contact, the ink 7 is drawn by the capillary force of the batting 4 and the ink 7 flows smoothly. Therefore, even if the inner diameter of the relay core 3 is designed to be small, the ink 7 The outflow per hour is stable. Therefore, it is preferable that the relay core 3 and the batting 4 are in contact as described above.
  • the entire area of the opening of the communication hole 13 is covered with the batting 4, but is not necessarily limited thereto.
  • the opening of the communication hole 13 may not be covered with the batting 4, and only a part of the opening of the communication hole 13 may be covered with the batting 4.
  • the pressing piece 33 has a flat plate shape and is configured to come into contact with the side surface of the projecting portion main body 32 and the front end surface 25 of the base portion 12. It is not limited.
  • a relay core 60 including a pressing piece 61 that protrudes forward from the base portion 12 without contacting the protruding portion main body 32 may be employed.
  • a relay core 70 in which the pressing piece 71 is bent and extends from the protruding portion main body 32 without contacting the base portion 12 may be adopted.
  • the shape of the pressing piece of the present invention is not particularly limited, and may be a round bar-like pressing piece as shown in the second embodiment (see FIG.
  • the pressing piece may be a pressing piece that extends in a polygonal shape such as a quadrangular cross section, or a pressing piece that extends in a circular cross section. Further, it may be a pressing piece partially bent and extending. That is, the pressing piece of the present invention only needs to make at least a part or all of the batting located near the ink discharge port (communication hole 13) of the relay core high in fiber density by pressing the batting.
  • two pressing pieces are provided on the relay core, but the number of pressing pieces may be one or three or more.
  • contact is made so that the angle formed by the protruding portion of the relay core and the upper end surface of the batting is approximately 90 degrees, but the arrangement angle of the relay core is not limited to this.
  • the angle formed by the protruding portion of the relay core and the upper end surface of the batting is not particularly limited, but it is preferable that the protruding portion of the relay core and the upper end surface of the batting are brought into contact with each other so as to be 70 degrees or more and 90 degrees or less. .
  • the ink used in each of the above embodiments is not particularly limited, but the viscosity is greater than 6.7 mPa ⁇ s, the contact angle when contacting the solid surface is less than 53.8 degrees, and the surface An ink having a characteristic that the tension is smaller than 33.5 mN / m can be preferably used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)
  • Coating Apparatus (AREA)

Abstract

La présente invention a trait à un instrument d'application qui peut délivrer de manière constante un liquide appliqué depuis un corps d'occlusion d'encre jusqu'à la pointe d'un stylo, différents types de liquides appliqués pouvant être utilisés même lorsque le diamètre du tube de communication est réduit. L'instrument d'application (1) faisant l'objet de la présente invention comprend : une partie de stockage de liquide appliqué (5) ; un corps d'occlusion de liquide appliqué (4) ; et un applicateur (6). Une partie formant un canal d'écoulement (3) se situe entre la partie de stockage de liquide appliqué (5) et le corps d'occlusion de liquide appliqué (4), cette partie formant un canal d'écoulement présentant un canal d'écoulement dans lequel le liquide appliqué (7) peut circuler. Ladite partie formant un canal d'écoulement (3) comporte une partie en saillie (11) ainsi que des parties de pression (33). Certaines parties de pression (33) ou toutes les parties de pression (33) sont mises en contact par le haut avec le corps d'occlusion de liquide appliqué (4).
PCT/JP2012/062252 2011-05-19 2012-05-14 Instrument d'application WO2012157594A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201280024342.6A CN103561966A (zh) 2011-05-19 2012-05-14 涂敷用具
KR1020137032710A KR20140043381A (ko) 2011-05-19 2012-05-14 도포구

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-112334 2011-05-19
JP2011112334A JP5700817B2 (ja) 2011-05-19 2011-05-19 塗布具

Publications (1)

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WO2012157594A1 true WO2012157594A1 (fr) 2012-11-22

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PCT/JP2012/062252 WO2012157594A1 (fr) 2011-05-19 2012-05-14 Instrument d'application

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JP (1) JP5700817B2 (fr)
KR (1) KR20140043381A (fr)
CN (1) CN103561966A (fr)
WO (1) WO2012157594A1 (fr)

Cited By (2)

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EP3456548A1 (fr) * 2017-09-18 2019-03-20 Sdi Corporation Outil d'écriture
JP2022179242A (ja) * 2021-05-20 2022-12-02 登志朗 遠藤 ペン先

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KR102530257B1 (ko) * 2015-06-26 2023-05-09 가부시키가이샤 파이롯트 코포레이숀 직액식 필기구
TWI621540B (zh) * 2017-05-19 2018-04-21 Sdi Corp 書寫工具及其輸墨單元
CN110001239B (zh) * 2018-01-04 2021-01-29 顺德工业股份有限公司 书写工具
JP7118814B2 (ja) * 2018-08-30 2022-08-16 株式会社パイロットコーポレーション ボールペン

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JP4750590B2 (ja) * 2006-03-13 2011-08-17 パイロットインキ株式会社 直液式筆記具
CN100509438C (zh) * 2006-03-09 2009-07-08 百乐墨水株式会社 直液式书写工具
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JP2008023877A (ja) * 2006-07-21 2008-02-07 Pilot Ink Co Ltd 直液式筆記具
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JP5687529B2 (ja) * 2010-03-26 2015-03-18 株式会社サクラクレパス 塗布具

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JPS6069690U (ja) * 1983-10-21 1985-05-17 セーラー万年筆株式会社 カ−トリツヂインキ補充式筆記具
JP2006212884A (ja) * 2005-02-02 2006-08-17 Pilot Ink Co Ltd 直液式筆記具
JP2007245376A (ja) * 2006-03-13 2007-09-27 Pilot Ink Co Ltd 直液式筆記具

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* Cited by examiner, † Cited by third party
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EP3456548A1 (fr) * 2017-09-18 2019-03-20 Sdi Corporation Outil d'écriture
RU2693652C1 (ru) * 2017-09-18 2019-07-03 ЭсДиАй КОРПОРЕЙШН Пишущий инструмент
US10569594B2 (en) 2017-09-18 2020-02-25 Sdi Corporation Writing tool
JP2022179242A (ja) * 2021-05-20 2022-12-02 登志朗 遠藤 ペン先

Also Published As

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JP5700817B2 (ja) 2015-04-15
JP2012240299A (ja) 2012-12-10
CN103561966A (zh) 2014-02-05
KR20140043381A (ko) 2014-04-09

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