JP7158203B2 - Applicator - Google Patents

Description

The present invention relates to a direct-liquid applicator (including writing utensils) in which the application direction can be visually recognized, and more specifically, the flow rate is stable, the remaining amount is easy to read, and excessive application liquid leaks to the outside. The present invention relates to an applicator capable of stably and continuously supplying a coating liquid to an applicator portion without any problems such as the above.

2. Description of the Related Art Conventionally, direct liquid type applicators of a type in which an application liquid is directly contained in an applicator main body (shaft main body) have been known in a wide variety of structures.
The applicant of the present application has developed a batting type writing instrument (see, for example, Patent Document 1) or a direct liquid type writing instrument (for example, Patent Document 2) that has a visible portion (window) that allows the user to visually recognize the writing direction at the nib. ) is proposed.

The direct-liquid type writing instrument described in Patent Document 2, in which the writing direction can be visually recognized, is based on a method in which the end of the collector core (ink relay core) and the end of the application section, which is the ink lead-out section, come into contact with each other. However, in this system, the current situation is that the ink outflow property is slightly insufficient. In this system, the collector core is used as a T-shaped ink relay core on the application side in order to make contact with the application section. There was room for improvement in the difficult points.

Japanese Patent Application Laid-Open No. 2000-52682 (Claims, FIG. 7, etc.) Japanese Patent Application Laid-Open No. 2002-19370 (Claims, FIG. 6)

In view of the above-mentioned conventional problems, the present invention intends to solve this problem. To provide an applicator capable of stably and continuously supplying an application liquid to an application part without problems such as excessive leakage of the application liquid to the outside.

As a result of intensive studies to solve the above-mentioned conventional problems, the inventors of the present invention have found that the coating liquid is directly accommodated in the accommodation space on the rear side of the shaft body and is formed in a comb shape on the front side of the shaft body. a collector having a visible portion for visually recognizing the application direction and an application portion attached to the holding member on the tip end side; a collector core inserted through the central portion of the collector; The inventors have found that the applicator for the above purpose can be obtained by arranging a specific member between the applicator and the applicator, and have completed the present invention.

That is, in the applicator of the present invention, the application liquid is directly accommodated in the accommodation space on the rear side of the shaft body, the collector formed in the shape of comb teeth is arranged on the front side of the shaft body, and the collector is disposed on the tip side of the shaft body. comprises a holding body having a visible portion for visually recognizing the application direction and an applying portion attached to the holding body, and a relay member is disposed between the collector core inserted through the central portion of the collector and the applying portion. 3. The coating liquid contained in the rear side of the shaft body is sequentially supplied to the coating portion via a collector core and a relay member.
The barrel main body has a front barrel and a rear barrel that can be separated from the front barrel, and the coating liquid is housed in a replaceable cartridge body arranged in a housing space of the rear barrel, and comb teeth are contained in the front barrel. Preferably, a shaped collector is arranged.
It is preferable that the flow rate of the coating liquid in the coating portion is 50 mg/10 m or more, preferably 50 to 200 mg/10 m.

According to the present invention, even with a direct liquid applicator whose application direction can be visually recognized, the flow rate is stable, there is no blurring, the remaining amount is easy to read, and excessive application liquid leaks to the outside. Provided is an applicator that can stably and continuously supply a coating liquid to an applicator body without causing the above problems.
In addition, in the applicator in which the coating liquid is housed in a replaceable cartridge body arranged in the rear shaft, it is possible to continue using it easily for a long period of time by attaching a new cartridge body even after using the applicator. An applicator that can be applied is obtained.

It is a longitudinal section showing an example of an embodiment of an applicator of the present invention. FIG. 2 is an exploded longitudinal sectional view showing each part of the applicator of FIG. 1; 2 is a partial vertical cross-sectional view showing an enlarged main part of the applicator of FIG. 1; FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is an example of the holding body used for the applicator of this invention, (a) is a longitudinal cross-sectional view, (b) is a front view.

EMBODIMENT OF THE INVENTION Below, it demonstrates in detail, referring drawings for embodiment of this invention.
1 is a longitudinal sectional view showing an example of an embodiment of the applicator of the present invention, FIG. 2 is an exploded longitudinal sectional view showing each part of the applicator of FIG. 1, and FIG. 3 is a main part of the applicator of FIG. 4(a) and 4(b) are a longitudinal sectional view and a front view showing an example of a holder used in the applicator of the present invention.
1 and 2, the applicator A of this embodiment includes a shaft body 10, a cartridge body 20, a collector 30, a relay member 40, an applicator portion 50, a holder 60 and a cap .
The barrel body 10 is composed of a cylindrical front barrel 11 and a bottomed cylindrical rear barrel 19 which is detachably attached to the front barrel 11 in a screwed or fitted state.

As shown in FIG. 2, the interior of the front barrel 11 is divided into a front end cylindrical portion 13 and a rear end cylindrical portion 15 via a partition wall 12. It is formed in a stepped concave surface portion 14 which is recessed in the central portion from the peripheral edge portion.
Further, a cylindrical projection 16 is provided on the central axis of the rear end cylindrical portion 15, and a cartridge body 20 is detachably mounted on the cylindrical projection 16. As shown in FIG.

The cartridge body 20 has a cylindrical shape with a bottom, and the storage space stores the coating liquid W, which is ink for writing instruments in this embodiment. The opening of the cartridge body 20 is provided with a seal ball 22 made of metal or synthetic resin via a seal ball receiving portion 21 made of rubber, and is hermetically plugged (sealed) before use. Further, if the cartridge body 20 and the rear shaft 19 are made of a transparent resin or the like, visibility of the remaining amount of the coating liquid W is excellent.
By loading the cartridge body 20 into the cylindrical projection 16 , the sealing is released, and the coating liquid W in the cartridge body 20 is introduced into the communicating hole 17 of the cylindrical projection 16 .

A seal tube 18 is fixed to the tip of the tip tube portion 13 of the front barrel 11 , and the collector 30 is inserted into the tip tube portion 13 through the seal tube 18 .
The collector 30 is loosely fitted to the inner peripheral surface 13a of the tip tube portion 13 so as to communicate with the outside air. A communicating hole 31 is provided, and a relay member 40 is inserted and held in a tip-side portion of the communicating hole 31 in a mouth puller 32 forming the tip side of the collector 30 . A tip portion 35a of a collector core (relay core) 35 inserted into the hole 31 is joined by insertion or the like. Also, the portion of the relay member 30 to be joined may be a concave portion.
The collector core (relay core) 35 has a sharp shape at both end sides in order to efficiently join the coating liquid W to the relay member 40 . The collector core (relay core) 35 is made of a porous material, and examples thereof include those made of a porous material having pores. bodies, foams, spongy bodies, felt bodies, porous bodies, and the like. Examples of materials that form the porous body include natural fibers, animal hair fibers, polyacetal resins, polyethylene resins, acrylic resins, polyester resins, polyamide resins, polyurethane resins, polyolefin resins, polyvinyl resins, Polycarbonate-based resins, polyether-based resins, polyphenylene-based resins, and the like can be used. In this embodiment, it is composed of a fiber bundle.

As shown in FIG. 3, the outer circumference of the collector 30 is provided with ink reservoirs 33. The ink reservoirs 33 are spaced apart from the reservoir plates in the axial direction by comb teeth. It is composed of a plurality of wing-shaped retention plates 34, 34, . . . The collector 30 has a wing-like retention plate formed on the outer peripheral surface of the collector 30 when pressure changes (liquid expansion, etc.) inside the cartridge body 20 serving as the coating liquid tank due to changes in the outside air temperature, outside air pressure, etc. An excess coating liquid can be temporarily retained between 34, 34, and has an action of returning to the original state when the pressure change disappears (when the state returns to normal). It is possible to easily prevent dripping (direct current phenomenon of the coating liquid) from the coated portion.
The collector is made of a synthetic resin, preferably a thermoplastic resin containing a styrene-based resin as a main component and a predetermined amount of an epihalohydrin-based copolymer. The collector made of synthetic resin to which this epihalohydrin-based copolymer is added is highly hydrophilic with water-based coating liquids, so that excess coating liquid (ink, etc.) can easily flow in the comb-shaped ink reservoir. As a result, it can be reliably stored. The amount to be added is about 1 to 30% by mass with respect to the total amount of the collector material.
In the present invention, "epihalohydrin-based polymer" refers to an epihalohydrin homopolymer or a copolymer of epihalohydrin with other epoxides copolymerizable with epihalohydrin, such as ethylene oxide, propylene oxide, allyl glycidyl ether, and the like. Examples of these include epichlorohydrin homopolymer, epibromhydrin homopolymer, epichlorohydrin-ethylene oxide copolymer, epibromhydrin-ethylene oxide copolymer, epichlorohydrin-propylene oxide copolymer, epichlorohydrin-ethylene oxide. - allyl glycidyl ether terpolymer and the like.

The relay member 40 is a member for efficiently supplying the coating liquid supplied from the collector core 35 to the coating section 50, and has a columnar shape as a whole and is configured to have a suitable capillary force. . The material, molding method, manufacturing method, etc. of the relay member 40 are not particularly limited as long as they have the above characteristics. Fibers, fiber bundles, felt, etc. made of one or a combination of two or more of polyamide-based resins, polyurethane-based resins, polyolefin-based resins, polyvinyl-based resins, polycarbonate-based resins, polyether-based resins, polyphenylene-based resins, etc. It can be configured using materials such as sponge, resin particles, porous bodies such as sintered bodies, and the like.
As long as the overall shape of the relay member 40 is a columnar body, its outer peripheral shape is not particularly limited, and may be a columnar shape, an elliptical columnar shape, a rectangular columnar shape, or the like. In this embodiment, it is configured in a cylindrical shape.

As shown in FIG. 3, the application unit 50 has a circular cross section and a substantially U-shape as a whole. and an application body 52 for leading out the application liquid.
The application part 50 is made of a porous material, and examples thereof include those made of a porous material having pores. , spongy bodies, felt bodies, porous bodies, and the like. Examples of materials that form the porous body include natural fibers, animal hair fibers, polyacetal resins, polyethylene resins, acrylic resins, polyester resins, polyamide resins, polyurethane resins, polyolefin resins, polyvinyl resins, Polycarbonate-based resins, polyether-based resins, polyphenylene-based resins, and the like can be used. In this embodiment, it is composed of a sintered body obtained by sintering various plastic powders.
In addition, the porosity of the collector core 35, the intermediate member 30, the application part 50, etc., is determined by the application of the applicator used (in the case of writing instruments, underline markers, sign pens, writing board pens, and in the case of applicators, cosmetic liquid application). Preferably, the collector core 35 has a porosity of 50 to 60%, the relay member 30 has a porosity of 45 to 55%, and the coating portion 50 has a porosity of 45 to 55%. It is desirable that the porosity is 40 to 50%.
In the present invention, "porosity" refers to the volume ratio of voids to the apparent volume of the porous body, and is calculated as follows. First, a relay member or the like having a known mass and apparent volume is immersed in water and soaked in water sufficiently, and then taken out of the water and the mass is measured. From the measured mass, the volume of water permeated into the relay member or the like, which is the object to be measured, is derived. Assuming that the volume of this water is the same as the pore volume of the intermediate member, the porosity is calculated from the following formula (A).
Porosity (unit: %) = (volume of water) / (apparent volume of object to be measured (relay member, etc.)) x 100 (A)

As shown in FIGS. 4(a) and 4(b), the holder 60 is mounted in the seal cylinder 18 fixed to the front end opening of the front barrel 11 with the applicator 50 fixed. , a body portion 61, a flange portion 62 on the front side of the body portion 61, and a visible portion (window portion) 63 through which the application direction can be visually recognized, and the tip side and both sides of the visible portion 63 are coated. It has a groove portion 64 for holding the application liquid guide portions 51 and 51 of the portion 50 and the application portion 52 .
A fitting portion 65 into which the front side of the relay member 40 is fitted is provided on the rear side of the main body portion 61, and air circulation grooves 66 are formed on both outer peripheral surfaces of the main body portion 61. .

The entire holder 60 configured in this manner is made of a hard material, for example, a hard material having visibility, such as metal, glass, or resin having no rubber elasticity. Resins that do not have visible rubber elasticity include, for example, PP, PE, PET, PEN, nylon (including amorphous nylon and the like in addition to general nylon such as 6 nylon and 12 nylon), acrylic, poly By molding a material having a visible light transmittance of 50% or more, such as methylpentene, polystyrene, and ABS, characters and the like written in the application (writing) direction can be effectively visually recognized in the visible portion 63 . Note that only the visible portion 63 may be made of a material having visibility. The visible light transmittance can be obtained by measuring the reflectance with a multi-light source spectrophotometer [(MSC-5N, manufactured by Suga Test Instruments Co., Ltd.)].
In addition, the holding body 60 may be configured using one type of each of the above materials, or two or more types of materials from the viewpoint of further improving durability and visibility, such as injection molding and blow molding. can be molded by various molding methods.

In this applicator A, the applicator portion 50 is fixed (attached) to the holder 60 by fitting the applicator liquid guide portions 51 and 51 and the applicator 52 of the applicator portion 50 into the groove portion 64 so that the applicator portion 40 is It will be fixed. Furthermore, in order to ensure the fixation (retaining) of the application portion 50, adhesion or welding with an adhesive may be further used. Alternatively, a wedge-shaped non-smooth surface portion 65 may be formed on the contact surface portion of the holding groove of the holder 60 that contacts the applicator 52 of the applicator 50 to further ensure the fixation of the applicator 50 to the holder 60. It is good. In addition, the front side of the relay member 40 is fitted into the fitting portion 65 of the holding body 60, and this fitting causes the outer peripheral surface side 41 of the relay member 40 and the inner surface side 51a of the application liquid guide portions 51, 51 of the application portion 50 to be separated. are in contact with each other.

The holding body 60 and the like are attached to the front end side of the front barrel 11 by fitting the holding body 60 to which the relay member 40 and the application portion 50 are fixed in the seal cylinder 18 fixed to the front barrel 11 . Become.
Also, when the pressure or the like in the shaft body 10 increases, the application liquid may drip from the application portion 50. However, in the application tool A of this embodiment, as shown in FIG. Through 66, the inside of the shaft body 10 and the outside air are adjusted.
In the applicator A of this embodiment, the air entering the barrel body 10 from the applicator 50 through the air circulation groove 66 is directed to the plurality of ribs ( (not shown) and the collector 30 , passes through the collector 30 once, reaches the communication hole 17 , and is replaced with the coating liquid W.

The cap 70 is detachable from the outer periphery of the front barrel 11, and has an outer cap 71 and a cup-shaped inner cap 72 inside. and is urged rearward by a spring member 73, and when the cap 70 is attached, the rear edge of the inner cap 72 comes into contact with the seal cylinder 18 and adheres thereto, so that the airtightness of the application portion 50 can be reliably maintained. It's like On the other hand, in the cap 70, the upper end open portion 74 and the outer peripheral groove of the inner cap 72 ensure ventilation from the front end to the rear end of the cap 70 when the cap 70 is not attached, regardless of the presence of the inner cap 72. there is In addition, the cap 70 is provided with a clip 75 that can be fixed when the cap 70 is attached to the pocket of the clothing. The clip 75 is made of the same color as the ink (liquid) in the liquid tank or the same color as the ink writing color (preferably a resin material such as plastic).

In the writing instrument A configured as described above, the application liquid W contained directly in the cartridge body 20 flows into the communication hole 17, the collector core (relay core) 35, the relay member 40, and the application body 52 of the application section 50. The structure is such that the liquid flows out sequentially and satisfactorily by capillary force. Preferably, the coating liquid W is caused to flow appropriately in the following order: collector core 35>intermediate member 40>applying portion 50 by capillary force.

The application liquid W directly contained in the cartridge body 20 is not particularly limited depending on the application of the applicator (including writing instruments). For example, in underline pens, etc., the ink contains colorants such as fluorescent pigments, such as basic violet 11, basic yellow 40, thermochromic microcapsule pigments, and resin fine particle pigments containing dyes. can be made In this embodiment, a water-based ink for writing instruments is used as the coating liquid.
The dye-containing resin fine particle pigment ink is colored resin fine particles composed of at least a cyclohexyl (meth)acrylate monomer and a basic dye or an oil-soluble dye, and contains the cyclohexyl (meth)acrylate monomer. A colored resin whose amount is 30% by mass or more based on the total polymer components constituting the colored resin fine particles, and the content of the basic dye or oil-soluble dye is 15% by mass or more based on the total polymer components. Examples include those containing a dispersion of colored resin fine particles in which fine particles are dispersed in water, a water-soluble organic solvent, and water.
In addition, these inks should have an ink viscosity of 1 to 5 mPa s (at 25°C: Complate type viscometer) and a surface tension of 30 to 60 mN/m by adjusting the type of ink compounding component and each compounding amount. is preferred.
In addition, in order to further improve the outflow from the cartridge body 20 to the application unit 50 due to efficient capillary action and improve the application performance, the application liquid outflow rate is set to 50 mg/10 m or more, more preferably 50 to 200 mg/m. It is desirable to set it to 10m. This outflow rate can be adjusted by appropriately adjusting the type of material such as fibers to be used, the porosity, and the like.
When the coating liquid is a thermochromic ink, a thermoplastic elastomer having a pencil-drawn line erasability (erasure rate) defined in JIS S 6050-2002 of less than 70% is formed on the top of the cap 70, and rubbed. Frictional heat can be easily generated by operation, and a low-wear friction body can be obtained.

In the applicator A according to the present invention configured as described above, the application liquid is stored in the cartridge body 20 in the storage space on the rear side of the shaft body 10 , and is formed in a comb shape on the front side of the shaft body 10 . A collector 30 is arranged, and a holding body 60 having a visible part 63 for visually checking the application direction and an application part 50 attached to the holding body 60 are provided on the tip end side. A relay member 40 is arranged between the collector core 35 and the application unit 50 , and the application liquid W contained in the cartridge body 20 is sequentially applied by the capillary forces of the collector core 35 , the relay member 40 and the application unit 40 . It is efficiently supplied to the application section 40 and used for application (writing).

With the applicator A configured in this way, for example, when a right-handed person applies from left to right, the application direction can be easily visually recognized from the visible portion 63, and the application liquid W is sequentially applied to the collector. Since the core 35, the relay member 40, and the application portion 50 are supplied to the application portion 40 efficiently by the capillary forces of the wick 35, the relay member 40, and the application portion 50, the flow rate is stable, the remaining amount is easy to read, and excessive leakage of the application liquid to the outside is prevented. The application liquid can be stably and continuously supplied to the application section 50 without any trouble.
In addition, since the coating liquid W is contained in the replaceable cartridge body 20 arranged in the rear shaft 19, it can be easily used over a long period of time by attaching a new cartridge body even after the coating liquid has been used up. It is possible to obtain an applicator that can be applied.

The applicator of the present invention is not limited to the above-described embodiments and the like, and various modifications can be made without changing the technical idea of the present invention.
Further, in the above embodiment, the coating part 50 is of the sintered core type. and so on.
Furthermore, in the above embodiments, the application liquid is described as writing instrument ink (water-based dye ink, oil-based ink, thermochromic ink, resin fine particle pigment ink containing dye), but liquid cosmetics, liquid medicines, application liquids, correction liquids, etc. A liquid body such as a liquid may also be used.

Further, in the applicator of the above-described embodiment, the barrel main body 10 is the front barrel 11 and the rear barrel 19 that can be separated into the front barrel 11, and the application liquid W is placed in the housing space of the rear barrel 19 and is replaceable. It is housed in the cartridge body 20, and the collector 20 is arranged in the front barrel 11. A partition wall is provided in the center of the longitudinal direction of the barrel body 10 to divide it, and the rear side is used as the coating liquid tank chamber, and the front side is used as the coating liquid tank chamber. A comb-shaped collector 20 or the like may be arranged on the side of the shaft main body 10, and the coating liquid stored in the coating liquid tank chamber of the shaft body 10 may be sequentially supplied to the coating section via a collector core and a relay member. is.
Furthermore, in order to further improve the flowability of the coating liquid W from the cartridge 20, the inner wall of the cartridge body 20, which serves as an ink tank, and the coating liquid tank chamber are subjected to surface treatment such as water-repellent treatment or oil-repellent treatment. is preferred. When an aqueous coating liquid is used as the coating liquid, a water-repellent treatment or the like can be performed, and when an oil-based coating liquid is used, an oil-repellent treatment or the like can be performed.
For water-repellent treatment, a water-repellent coating agent made of silicone oil, fluorine-based resin, acrylic tree or amide-based resin can be coated. For oil-repellent treatment, silicone resin, fluorine-based resin, silicone-modified acrylic resin, etc. can be coated with an oil-repellent coating agent, etc., and the coating methods include dry methods such as vacuum deposition, sputtering, and CVD, as well as dipping, spraying, spin coating, brushing, die coating, and the like. Any representative wet method can be used.

Next, the present invention will be described in more detail with reference to examples, but the present invention is not limited to the following examples.

[Example 1]
An applicator having the following composition and conforming to FIGS. 1 to 4, and a coating liquid having the following composition were used. The dimensions of the collector core, relay member, application part, holder, etc. used are shown below.

(Configuration of collector 30)
A collector 30 was produced by integrally molding a material containing at least a styrene resin (90% by mass), an epihalohydrin copolymer (10% by mass), and other additives by a conventional method.
(Structure of collector core 35)
Polyester fiber bundle core, porosity 55%, diameter φ1.5mm, length 35mm, minimum diameter φ0.3mm at both ends

(Structure of relay member 40)
Polyester fiber bundle core, porosity 50%, diameter φ3.0mm, length 8mm
Insertion (insertion) length of the collector core 35 into the relay member 40 is 3 mm.
(Configuration of application unit 50)
PET fiber core, porosity 50%, diameter φ2mm, length 18mm, coating (drawing) width 4mm
(Configuration of holder 60)
Made of acrylic resin, visible light transmittance 85% [Reflectance was measured with a multi-light source spectrophotometer (MSC-5N) manufactured by Suga Test Instruments Co., Ltd., and taken as visible structural transmittance. ]
Size of visible part 63 (square) of application part 40 after attachment: 5 mm x 6 mm x 3 mm x 4 mm
(Composition of components of the applicator other than the above)
Barrel main body 10 (front barrel 11, rear barrel 19), seal cylinder 18: both made of polypropylene (PP)

(Coating liquid composition)
As the coating liquid, an ink having the following composition (100% by mass in total) was used.
Humectant: trimethylglycine (glycine betaine) 7.5% by mass
Pentaerythritol 4.5% by mass
Coloring agent: NKW-4805 yellow (manufactured by Nippon Fluorescent Co., Ltd.) 40.0% by mass
Antiseptic: 0.3% by mass of Bioace (manufactured by Kei Kasei Co., Ltd.)
pH adjuster: triethanolamine 1.0% by mass
Fluorinated surfactant: Surflon 8111N (manufactured by AGC Seimi Chemical Co., Ltd.) 0.2% by mass
Water-soluble organic solvent: Ethylene glycol 3.0% by mass
Water (solvent): ion-exchanged water 43.5% by mass

When the applicator of Example 1 was used to write on paper, the ink was reliably supplied to the applicator 50, the flow rate was stable, writing was possible without blurring, and the remaining amount of ink was readable. It has been confirmed that the ink is easy to apply, can be reliably written even when the pen is held upward, can be combined with various application liquids, and that the ink is efficiently supplied to the application portion sequentially via the collector core and the relay member. rice field. In addition, with this applicator, when the appearance of the other side was visually confirmed through the visible part during application, the visibility was sufficient and easy to see, and it was possible to apply while reading the characters written in the application direction. did it.

Furthermore, the applicator of Example 1 was set in an automatic writing device, and in accordance with JIS S6037, a straight line was drawn on a high-quality paper at a writing angle of 65 °, a writing load of 1 N, a speed of 7 cm / s, and a distance of 50 m. When the state was visually confirmed, it was found that the applicability of the applicator was good, there was no blurring of drawn lines, and the ink flow rate was good. Further, when the flow rate of the coating liquid was determined by a conventional method, it was 60 mg/10 m.

The applicator of the present invention can be used as an underline marker, a felt pen, a writing board pen, etc., as long as it is for writing instruments. It can be suitably used for a chemical applicator, a paint liquid applicator, and the like.

A writing implement 10 barrel main body 11 front barrel 19 rear barrel 20 cartridge body 30 collector 40 relay member 50 application section 60 holder 70 cap

Claims (3)

The coating liquid is directly stored in the housing space on the rear side of the shaft body, and a comb-shaped collector is arranged on the front side of the shaft body, and a visible part is provided on the tip side for visually checking the application direction. and an applying section composed of a porous body attached to the holding body. A relay member is arranged between the collector core inserted through the central portion of the collector and the applying section, and the axis 1. An applicator, characterized in that an application liquid stored in the rear side of a main body is sequentially supplied to an application part via a collector core and a relay member. The barrel main body has a front barrel and a rear barrel that can be separated from the front barrel, and the coating liquid is accommodated in a replaceable cartridge body arranged in the accommodation space of the rear barrel, and comb-shaped in the front barrel. 2. The applicator device of claim 1, wherein a collector formed in the body is disposed. 3. The applicator according to claim 1, wherein the applicator has a circular cross section and a substantially U-shaped overall shape, and the flow rate of the application liquid is 50 mg/10 m or more.

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