WO2022162991A1 - 液体塗布具及び中栓 - Google Patents

液体塗布具及び中栓 Download PDF

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Publication number
WO2022162991A1
WO2022162991A1 PCT/JP2021/032106 JP2021032106W WO2022162991A1 WO 2022162991 A1 WO2022162991 A1 WO 2022162991A1 JP 2021032106 W JP2021032106 W JP 2021032106W WO 2022162991 A1 WO2022162991 A1 WO 2022162991A1
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WIPO (PCT)
Prior art keywords
liquid
applicator
inner plug
tip
axial direction
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2021/032106
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English (en)
French (fr)
Japanese (ja)
Inventor
淳史 土井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinko Chemical Co Ltd
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Shinko Chemical Co Ltd
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Filing date
Publication date
Application filed by Shinko Chemical Co Ltd filed Critical Shinko Chemical Co Ltd
Priority to JP2022578031A priority Critical patent/JP7792702B2/ja
Publication of WO2022162991A1 publication Critical patent/WO2022162991A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/42—Closures with filling and discharging, or with discharging, devices with pads or like contents-applying means

Definitions

  • the present invention relates to a liquid applicator and an inner plug.
  • Patent Document 1 discloses a medicated tinea unguium applicator having a liquid container, a columnar brush member formed by bundling synthetic fibers into a columnar shape, and a bottomed cylindrical holder that holds the columnar brush member.
  • An object of the present invention is to provide a liquid applicator and an inner plug that can further prevent internal liquid from leaking to the outside.
  • One aspect of the present invention is a liquid container having a mouth portion and capable of containing a liquid; an applicator having a substantially rod-like shape extending in the axial direction and having a distal end portion arranged at one end in the axial direction and a base end portion arranged at the other end; a cylindrical inner plug attached to the mouth, the inner plug gripping the applicator such that the tip of the applicator is exposed from the inner plug by protruding toward the tip; a cap that covers the inner plug and the applicator and seals the mouth; provides a liquid applicator comprising: The inner plug is at least one opening exposing the applicator into the liquid container; and an annular liquid stop portion disposed radially outward of the at least one opening, protruding toward the applicator and coming into contact with the applicator when the applicator is held.
  • an inner plug for a liquid applicator which is attached to the mouth of a liquid container capable of containing liquid and is configured to be able to grip a substantially rod-shaped applicator body extending in the axial direction.
  • the inner plug extends in the axial direction and has a cylindrical shape having a distal end portion arranged at one end in the axial direction and a proximal end portion arranged at the other end,
  • the inner plug is at least one opening exposing the applicator; and an annular liquid stop portion disposed radially outward of the at least one opening, protruding toward the applicator and coming into contact with the applicator when the applicator is held.
  • liquid applicator and the inner plug of the present invention it is possible to further prevent the internal liquid from leaking to the outside.
  • FIG. 1 is a cross-sectional view of a liquid applicator according to a first embodiment of the present invention
  • FIG. FIG. 2 is a plan view of an inner plug provided in the liquid applicator of FIG. 1
  • FIG. 3 is a front view of the inner plug of FIG. 2
  • Fig. 3 is a right side view of the inner plug of Fig. 2
  • 3 is a bottom view of the inner plug of FIG. 2
  • FIG. FIG. 3 is a sectional view taken along line VI-VI of the inner plug of FIG. 2
  • FIG. 3 is a cross-sectional view along the line VII-VII of the inner plug of FIG. 2
  • FIG. 3 is a VII-VII line end view of the inner plug of FIG. 2;
  • FIG. 10 is a plan view of an inner plug according to a second embodiment of the present invention
  • FIG. 11 is a cross-sectional view along the line XI-XI of the inner plug of FIG. 10
  • 12 is a partially enlarged view of region R1 shown in FIG. 11
  • FIG. 11 is a cross-sectional view of the inner plug of FIG. 10 taken along line XIII-XIII
  • FIG. 13 is a cross-sectional view showing a cross section of the inner plug corresponding to FIG. 13 in an assembled state in which the applicator body is inserted into the inner plug of FIG.
  • FIG. 10 It is a schematic diagram which shows the 1st modification of the inner plug which concerns on 2nd Embodiment of this invention.
  • FIG. 16 is a cross-sectional view of the configuration of FIG. 15 taken along line XVI-XVI; It is a schematic diagram which shows the 2nd modification of the inner plug which concerns on 2nd Embodiment of this invention.
  • FIG. 18 is a cross-sectional view of the configuration of FIG. 17 along line XVIII-XVIII; It is a schematic diagram which shows the 3rd modification of the inner plug which concerns on 2nd Embodiment of this invention.
  • FIG. 16 is a cross-sectional view taken along line XX-XX of the configuration of FIG. 15;
  • FIG. 11 is a cross-sectional view of a liquid applicator according to a third embodiment of the present invention;
  • FIG. 11 is a cross-sectional view of a liquid applicator according to a modification of the third embodiment of the present invention;
  • a liquid container having a mouth portion and capable of containing a liquid; an applicator having a substantially rod-like shape extending in the axial direction and having a distal end portion arranged at one end in the axial direction and a base end portion arranged at the other end; a cylindrical inner plug attached to the mouth, the inner plug gripping the applicator such that the tip of the applicator is exposed from the inner plug by protruding toward the tip; a cap that covers the inner plug and the applicator and seals the mouth;
  • a liquid applicator comprising The inner plug is at least one opening exposing the applicator into the liquid container; an annular liquid stopper disposed radially outward of the at least one opening, protruding toward the applicator and coming into contact with the applicator when the applicator is being held; A liquid applicator is provided.
  • the liquid stop portion is in contact with the periphery of the application body
  • the internal plug further has a liquid storage section that is disposed between the inner surface of the internal plug and the applicator on the distal end side of the liquid stopping section and that can store the liquid
  • the opening is formed closer to the proximal end than the liquid stopper
  • the axial length of the liquid containing portion is greater than the thickness of the liquid containing portion in a direction perpendicular to the axial direction
  • the length in the axial direction and the thickness in the direction orthogonal to the axial direction of the liquid containing portion are such that the length in the axial direction of the liquid containing portion is such that the liquid is absorbed by capillarity.
  • the liquid applicator according to the second aspect is provided, configured to be greater than the distance lifted within the liquid containing portion.
  • the liquid containing portion has a tubular shape extending in the axial direction from the liquid stop portion to the tip portion of the inner plug. provides a liquid applicator.
  • the axial length of the liquid containing portion is larger than the axial distance between the tip portion of the inner plug and the tip portion of the applicator. to provide a liquid applicator according to any one of .
  • the axial length of the liquid containing portion is greater than the axial length of the inner plug on the base end side of the tip portion side end of the liquid stop portion.
  • axial length of the liquid containing portion is greater than half the axial length of the inner plug.
  • a liquid applicator is provided.
  • the liquid stopping part is in contact with the periphery of the application body on the base end side from the center of the application body. provides a liquid applicator.
  • the inner plug further has a plurality of ribs extending from the liquid stop portion toward the tip portion on an inner surface closer to the tip portion than the liquid stop portion, The plurality of ribs are spaced apart from each other in the circumferential direction, A liquid applicator according to any one of the second to eighth aspects is provided.
  • the tip of each of the plurality of ribs is positioned closer to the proximal end than the tip of the inner plug and closer to the tip than the center of the applicator.
  • a liquid applicator according to the ninth aspect is provided.
  • the inner plug has a bottomed cylindrical shape with a bottom,
  • the at least one opening provides the liquid applicator according to any one of the second to tenth aspects, arranged on the side surface of the inner plug.
  • the liquid applicator according to the eleventh aspect wherein the at least one opening is a plurality of circumferentially spaced openings.
  • the inner plug has a bottomed cylindrical shape with a bottom,
  • the at least one opening is arranged to penetrate a portion of the bottom of the inner plug,
  • the liquid stopping part is arranged at the bottom of the inner plug and configured to protrude toward the tip of the inner plug,
  • a liquid applicator according to the first aspect is provided.
  • the inner plug further has, on its bottom portion, a projection projecting axially from the bottom portion and arranged to surround the at least one opening in a plan view,
  • the liquid stopping part is arranged on the convex part,
  • a liquid applicator according to the thirteenth aspect is provided.
  • the liquid applicator according to the fourteenth aspect wherein the inner plug further has at least one groove provided in the convex portion outside the liquid stop portion.
  • liquid applicator according to any one of the thirteenth to fifteenth aspects, wherein the liquid stop portion has a tapered shape in which the width in the radial direction gradually decreases toward the tip portion of the inner plug. .
  • the inner plug further has a plurality of support walls protruding radially inward from the inner surface on the tip side of the liquid stopper, the plurality of circumferentially adjacent support walls are circumferentially spaced apart from each other;
  • a liquid applicator according to any one of the thirteenth to sixteenth aspects is provided.
  • An inner plug for a liquid applicator which is attached to the mouth of a liquid container capable of containing a liquid and configured to be able to grip a substantially rod-shaped applicator body extending in the axial direction,
  • the inner plug extends in the axial direction and has a cylindrical shape having a distal end portion arranged at one end in the axial direction and a proximal end portion arranged at the other end,
  • the inner plug is at least one opening exposing the applicator; an annular liquid stopper disposed radially outward of the at least one opening, protruding toward the applicator and coming into contact with the applicator when the applicator is being held; Provide a middle stopper.
  • FIG. 1 is a cross-sectional view of a liquid applicator 1 according to a first embodiment of the invention.
  • a liquid applicator 1 includes a liquid container 2 , an inner plug 3 , an applicator 4 and a cap 5 .
  • Axis C is shown in FIG. 1 for convenience of explanation.
  • the liquid container 2 has a bottomed cylindrical shape centered on the axis C
  • the inner plug 3 has a cylindrical shape centered on the axis C
  • the applicator 4 has the axis C as its center. It has a columnar shape centered on it
  • the cap 5 has a topped cylindrical shape centered on the axis C.
  • the cross-sectional view of FIG. 1 is a cross-sectional view of a cross section passing through the axis C of the liquid applicator 1 viewed from a direction perpendicular to the axis C.
  • FIG. 1 is a cross-sectional view of a cross section passing through the axis C of the liquid
  • the direction parallel to the axis C is called the axial direction
  • the direction perpendicular to the axial direction is called the radial direction or width direction
  • the circumferential direction about the axis C is called the circumferential direction.
  • the upward direction toward the paper surface is assumed to be positive.
  • the positive axial direction is also referred to as superior, anterior, distal or distal direction
  • the negative axial direction is also referred to as inferior, posterior, proximal or proximal direction.
  • the radial direction the direction away from the axis C is called outward, and the direction toward the axis C is called inward.
  • the radially inner side is simply referred to as the "inner side” and the radially outer side is simply referred to as the "outer side.”
  • the liquid container 2 has a mouth portion 21 that is a circular opening centered on the axis C, and is capable of containing the liquid 10 .
  • the liquid 10 is a drug solution indicated for tinea unguium and contains efinaconazole, for example.
  • Liquid 10 may further contain ethanol.
  • the liquid 10 is not limited to the one described above, and may be, for example, a liquid containing a compound having a boiling point lower than that of water at 1 atm, a volatile organic compound, or the like.
  • the liquid container 2 is made of polymer material such as polypropylene (PP), polyethylene (PE), low density polyethylene (LDPE), high density polyethylene (HDPE), etc. by blow molding, stretch blow molding, injection blow molding, for example.
  • the liquid container 2 is made of at least two materials selected from the above polymer materials, ethylene-vinyl alcohol copolymer (EVOH), polyethylene terephthalate (PET), polyamide (PA), and other polymer materials.
  • EVOH ethylene-vinyl alcohol copolymer
  • PET polyethylene terephthalate
  • PA polyamide
  • the material and manufacturing method of the liquid container 2 are not limited to this.
  • the cylindrical inner plug 3 is inserted into the mouth portion 21 of the liquid container 2 and detachably attached to the liquid container 2 as shown in FIG.
  • the inner plug 3 is integrally formed by injection molding, for example.
  • the inner plug 3 is, for example, polyethylene terephthalate (PET), polypropylene (PP), cyclic olefin copolymer (COC), polyethylene (PE), high density polyethylene (HDPE), linear low density polyethylene (LLDPE), polybutylene terephthalate. (PBT), polyacetal (POM), or the like, or may be formed by injection molding using two or more materials. A detailed structure of the inner plug 3 will be described later.
  • the applicator 4 is formed by bundling a large number of synthetic fibers into a cylindrical shape.
  • the diameter of the application body 4 is, for example, 1 mm to 10 mm, and the height of the application body 4 is, for example, 10 mm to 100 mm.
  • Synthetic fibers are, for example, polyester, polyamide (PA), polybutylene terephthalate (PBT).
  • PA polyamide
  • PBT polybutylene terephthalate
  • the applicator 4 may have a single rod-like shape whose entire side surface is hardened with an adhesive or the like, but the present invention is not limited to this.
  • the applicator 4 may have a substantially rod-like shape, and the substantially rod-like shape is such that, for example, the fibers at the tip of the rod-shaped applicator are not hardened with an adhesive or the like, and the fibers of the tip and the periphery thereof are not solidified. Containing structures that are flexible and brush-like.
  • FIGS. 2 to 9 are a plan view, a front view, a right side view, and a bottom view, respectively, of the inner plug 3 provided in the liquid applicator 1 of FIG.
  • FIG. 6 is a sectional view taken along line VI--VI of the inner plug 3 in FIG.
  • FIG. 7 is a cross-sectional view of the inner plug 3 of FIG. 2 taken along line VII-VII.
  • the inner plug 3 includes a cylindrical main body 31, a bottom portion 32 disposed near the lower end of the main body 31 and covering the main body 31, and a brim-shaped flange portion 33 protruding outward from the outer surface of the main body 31. have.
  • a liquid stopper 35 is formed on the inner surface of the main body 31 so as to come into contact with the periphery of the applicator 4 and prevent the liquid 10 from passing between the inner surface of the main body 31 and the applicator 4 .
  • the liquid stopping part 35 contacts the side surface of the application body 4 over the entire circumference.
  • the inner diameter D2 of the liquid stop portion 35 is equal to or smaller than the diameter of the applicator 4 (hereinafter referred to as "Da"). Due to the liquid stopper 35 , the liquid 10 in the liquid container 2 does not move farther than the liquid stopper 35 unless it passes through the applicator 4 even when the liquid applicator 1 is inverted.
  • the liquid stop portion 35 prevents the liquid 10 from leaking from the liquid applicator 1 .
  • the liquid stopper 35 contacts the periphery of the applicator 4 at the base end side of the center or the center of gravity of the applicator 4 .
  • the inner diameter of the main body 31 above the liquid stop portion 35 is larger than the inner diameter of the liquid stop portion 35 .
  • the inner diameter of the main body 31 above the liquid stopper 35 is denoted by D4.
  • the inner diameter D4 is larger than the diameter Da of the applicator 4 by, for example, 0.1 mm to 5.0 mm. Therefore, as shown in FIG. 1, a gap is formed between the inner surface of the main body 31 above the liquid stop portion 35 and the applicator 4 . This gap forms a liquid containing portion 39 capable of containing the liquid 10 in the upright state.
  • the length (depth) of the liquid containing portion 39 in the axial direction is greater than the thickness of the liquid containing portion 39 in the radial direction. That is, the axial length of the liquid containing portion 39 is greater than the distance between the inner surface of the main body 31 and the applicator 4 .
  • the axial length of the liquid containing portion 39 may be greater than the minimum width between the inner surfaces of the liquid stopping portion 35 in the direction orthogonal to the axis C.
  • the axial length of the liquid containing portion 39 is greater than the inner diameter D2 (see FIG. 8) of the liquid stopping portion 35 .
  • the axial length of the liquid storage portion 39 may be greater than the axial length of the inner plug 3 below the upper end of the liquid stop portion 35 .
  • the axial length of the liquid containing portion 39 may be greater than half the axial length of the inner plug 3 .
  • the axial length and radial thickness of the liquid containing portion 39 are such that the axial length of the liquid containing portion 39 is greater than the distance that the liquid 10 can rise within the liquid containing portion 39 due to capillary action. It may be configured to be large. In the illustrated example, the distance (height) h by which the liquid 10 can rise within the liquid containing portion 39 due to capillary action is expressed by the following equation (1).
  • ⁇ [N/m] is the surface tension of the liquid 10
  • g [m/s 2 ] is the gravitational acceleration
  • ⁇ [degrees] is the contact angle between the inner surface of the inner plug 3 and the liquid 10
  • ⁇ [degrees] is the contact angle between the application body 4 and the liquid 10
  • ⁇ [kg/m 3 ] is the density of the liquid.
  • Da is the diameter of the applicator 4
  • D4 is the inner diameter of the main body 31 above the liquid stopping portion 35.
  • the liquid containing portion 39 has a volume of 10 ⁇ L to 400 ⁇ L, for example 80 ⁇ L. That is, the liquid containing portion 39 is configured to be able to contain 10 ⁇ L to 400 ⁇ L, for example, 80 ⁇ L of the liquid 10 at the time of assembly.
  • the axial length of the liquid containing portion 39 is, for example, 1 mm to 30 mm.
  • the axial length of the liquid containing portion 39 is, for example, 0.1 to 0.7 times the axial length of the applicator 4 .
  • the axial length of the liquid containing portion 39 may be greater than the axial distance between the tip of the inner plug 3 and the tip of the applicator 4 .
  • the above numerical values are examples, and the present embodiment is not limited thereto.
  • the liquid containing portion 39 is formed with six ribs 37 extending upward from the liquid stopping portion 35 .
  • Each rib 37 protrudes inwardly from the inner surface of the body 31 at the liquid containing portion 39 .
  • the ribs 37 are arranged in the circumferential direction at intervals.
  • a distance D1 (see FIG. 8) between the ribs 37 facing each other across the axis C is equal to or less than the diameter Da of the applicator 4. As shown in FIG. Therefore, when the applicator 4 is inserted into the inner plug 3 , it is sandwiched between the ribs 37 and supported.
  • ribs 37 reinforce the support of applicator body 4 .
  • each rib 37 is arranged below the tip of the inner plug 3 .
  • the volume of the liquid containing portion 39 can be ensured while reinforcing the support of the applicator 4 .
  • each rib 37 extends above the center of the applicator 4 or the center of gravity. As a result, each rib 37 supports the applicator 4 above the center or the center of gravity of the applicator 4 , thereby further reinforcing the support of the applicator 4 .
  • the inner wall 36 (see FIGS. 6 to 8), which is the inner surface of the main body 31 above the liquid stopper 35, also supports the applicator 4.
  • An inner diameter D3 (see FIG. 8) of the inner wall 36 is equal to or less than the diameter Da of the applicator 4 .
  • the inner diameter of the inner wall 36 does not have to be constant, and may gradually decrease as it progresses downward.
  • the distance D1 between the upper ends of the ribs 37 facing each other across the axis C, the inner diameter D2 of the liquid stop portion 35, and the inner diameter D3 of the lower end of the inner wall 36 satisfy D1>D2>D3. holds, and the cross section of the inner surface of the body 31 shown in FIG. 8 may be tapered.
  • an opening 34 is formed in the inner plug 3 at a position facing the liquid containing portion 39 with the liquid stopping portion 35 interposed therebetween.
  • the opening 34 is formed near the lower end of the main body 31 of the inner plug 3 .
  • the opening 34 is formed in the main body 31 of the inner plug 3 at a position facing the liquid containing portion 39 with the liquid stop portion 35 interposed therebetween.
  • the opening 34 is formed by notching the lower end of the main body 31 .
  • the opening 34 communicates the outside and the inside of the main body 31 . Thereby, when the inner plug 3 is attached to the liquid container 2 as shown in FIG. be able to.
  • three openings 34 are formed as particularly shown in FIG.
  • the number of openings 34 is not limited to this, and may be one or more.
  • the inner plug 3 has a plurality of openings 34 as shown in FIG. 5, the liquid 10 in the liquid container 2 can reach the applicator 4 corresponding to various postures of the liquid applicator 1 during use. It is advantageous because it allows
  • the cap 5 is a screw-type lid attached to the mouth portion 21 of the liquid container 2 .
  • the cap 5 covers the inner plug 3 and the applicator 4 and seals the mouth portion 21 of the liquid container 2 .
  • the cap 5 has a ring-shaped protruding portion 51 formed so that a ring-shaped member centered on the axis C extends downward from the ceiling.
  • the applicator body 4 is accommodated inside the ring-shaped projecting portion 51 .
  • a mouth corner 38 that gradually widens upward is formed near the upper end of the inner surface of the main body 31 of the inner plug 3 .
  • the ring-shaped protruding portion 51 of the cap 5 has flexibility so as to bend in the radial direction.
  • the tip of the ring-shaped protruding portion 51 bends inward along the mouth corner 38 and tries to return outward due to its elasticity.
  • the tip of the ring-shaped protruding portion 51 is urged outward toward the vicinity of the upper end of the inner surface of the main body 31 of the inner plug 3 .
  • the tip of the ring-shaped protrusion 51 is in close contact with the inner surface of the main body 31 of the inner plug 3, and the assembled liquid applicator 1 serves as an airtight container that prevents solids and liquids from entering.
  • the assembled liquid applicator 1 may be a sealed container that prevents ingress of solids, liquids and gases. Furthermore, the assembled liquid applicator 1 may be a container that can completely block air even if the internal pressure and the external pressure are different.
  • FIG. 9 is a schematic cross-sectional view of the liquid applicator 1 with the cap 5 opened. Comparing FIG. 9 with FIG. 1, the opening 21 of the liquid container 2 is sealed by the cap 5 in FIG. 1, whereas the cap 5 is opened to release the sealing in FIG. .
  • FIG. 9 shows the state of the liquid applicator 1 at the moment or immediately after the cap 5 is opened.
  • arrows schematically represent flow paths of gas generated by vaporization of the liquid 10 .
  • the mouth portion 21 of the liquid container 2 is sealed by the cap 5, and when the liquid applicator 1 is in the sealed state, the liquid container 2 is in the sealed state.
  • the viscosity is high, the internal pressure of the liquid container 2 rises due to the vapor pressure and becomes higher than the external pressure.
  • the cap 5 is opened with the internal pressure increased, the gas in the liquid container 2 tries to escape to the outside, and the liquid 10 impregnated in the applicator 4 is pushed out and ejected into the liquid container 39 . accumulate.
  • outline arrows schematically represent how the liquid level of the liquid 10 rises in the liquid container 39 at the moment or immediately after the cap 5 is opened.
  • the liquid applicator 1 In the conventional technology that does not have the liquid storage part 39, there is a problem that the liquid spurts from the applicator when the cap is opened and leaks out of the liquid applicator.
  • the liquid applicator 1 according to the present embodiment has the liquid containing portion 39 , so that the liquid 10 exuded from the applicator 4 can be stopped in the liquid containing portion 39 .
  • the liquid 10 accumulated in the liquid containing portion 39 returns to the applicator body 4 or the liquid container 2 due to gravity when the difference between the internal pressure and the external pressure becomes small.
  • the liquid applicator 1 can prevent the liquid 10 from leaking to the outside of the liquid applicator 1 by having the liquid storage portion 39 .
  • Equation (1) the height h to which the liquid 10 can rise within the liquid containing portion 39 due to capillary action is expressed by Equation (1). If the liquid 10 remains in the liquid containing portion 39, even if the object is turned upside down to apply the liquid 10, the volume of the liquid 10 corresponding to the height h in the liquid containing portion 39 will be , is held in the liquid storage portion 39 by capillary force. In this manner, the liquid containing portion 39 can hold the liquid 10 pushed out by the increased internal pressure by capillary force, and the risk of the liquid 10 spilling without passing through the applicator 4 can be reduced.
  • the liquid applicator 1 includes the liquid container 2 having the mouth portion 21 and capable of containing the liquid 10, the applicator body 4, the inner plug 3, and the cap 5.
  • the applicator 4 has a substantially rod-like shape extending in the axial direction, and has a distal end arranged at one end in the axial direction and a proximal end arranged at the other end.
  • the inner plug 3 has a tubular shape to be attached to the mouth portion 21 .
  • the inner plug 3 grips the applicator 4 so that the tip of the applicator 4 protrudes distally from the inner plug 3 and is exposed.
  • the cap 5 covers the inner plug 3 and the applicator 4 and seals the mouth portion 21 .
  • the inner plug 3 has an annular liquid stopper 35 that contacts the periphery of the applicator 4 , a liquid storage section 39 , and at least one opening 34 .
  • the liquid containing portion 39 is disposed between the inner surface of the inner plug 3 and the applicator 4 on the distal end side of the liquid stopping portion 35 , and is configured to be able to contain the liquid 10 .
  • At least one opening 34 is located closer to the proximal end than the liquid stopper 35 and exposes the applicator 4 inside the liquid container 2 .
  • the axial length of the liquid containing portion 39 is greater than the minimum width between the inner surfaces of the liquid stopping portion 35 in the direction perpendicular to the axis C. As shown in FIG. For example, the axial length of the liquid containing portion 39 is greater than the inner diameter D2 of the liquid stopping portion 35 .
  • the liquid applicator 1 can stop the liquid 10 that seeps out from the applicator 4 in the liquid container 39 when the cap 5 is opened. Since the axial length of the liquid containing portion 39 is greater than the minimum width between the inner surfaces of the liquid stopping portion 35, the contact area between the liquid 10 accumulated in the liquid containing portion 39 and the application body 4 can be secured. Since the liquid 10 in contact with the applicator 4 is sucked into the applicator 4 , the liquid applicator 1 can prevent the liquid 10 from leaking to the outside of the liquid applicator 1 . In addition, since the liquid applicator 1 does not require a mechanism or the like for moving members to open and close the flow path of the liquid 10 in a state where the cap 5 is opened, the number of parts can be increased without increasing the number of parts. effect can be achieved.
  • the length in the axial direction and the thickness in the direction orthogonal to the axial direction of the liquid containing portion 39 are larger than the distance that the liquid 10 rises in the liquid containing portion 39 due to capillary action. may also be configured to be larger.
  • the liquid containing portion 39 may have a cylindrical shape extending axially from the liquid stopping portion 35 to the tip of the inner plug 3 .
  • the liquid 10 overflowing from the tip of the applicator 4 can also enter the liquid storage section 39 without leaking to the outside, and eventually return to the liquid container 2 .
  • the axial length of the liquid containing portion 39 may be greater than the axial distance between the tip of the inner plug 3 and the tip of the applicator 4 .
  • the axial length of the liquid containing portion 39 may be greater than the axial length of the inner plug 3 on the base end side of the tip portion side end of the liquid stop portion 35 .
  • the axial length of the liquid containing portion 39 may be larger than half the axial length of the inner plug 3 .
  • the liquid stop part 35 may contact the periphery of the applicator 4 on the base end side of the center of the applicator 4 .
  • the inner plug 3 may further have a plurality of ribs 37 extending from the liquid stopping portion 35 toward the leading end portion on the inner surface closer to the tip portion than the liquid stopping portion 35 .
  • the plurality of ribs 37 are arranged in the circumferential direction at intervals.
  • each of the plurality of ribs 37 may be positioned closer to the proximal end than the distal end of the inner plug 3 and closer to the distal end than the center of the applicator 4 .
  • the volume of the liquid storage portion 39 can be secured while supporting the applicator 4 is reinforced.
  • the tips of the plurality of ribs 37 are positioned closer to the tip side than the center of the applicator 4, the plurality of ribs 37 can support the applicator 4 more firmly.
  • the inner plug 3 has a bottomed cylindrical shape with a bottom portion 32 , and at least one opening 34 may be provided on the side surface of the inner plug 3 .
  • the applicator body 4 can be pressed against the bottom part 32 and stopped, thereby positioning the applicator body 4 .
  • the liquid 10 in the liquid container 2 can reach the applicator 4 via at least one opening 34 provided on the side surface of the inner plug 3 .
  • the dimensions of the opening 34 can be set more flexibly than when the opening is provided in the bottom 32 .
  • the at least one opening 34 may be a plurality of circumferentially spaced openings.
  • the liquid 10 in the liquid container 2 can reach the applicator 4 corresponding to various postures of the liquid applicator 1 .
  • the shape of the inner plug 3 is not limited to this, and may be, for example, a polygonal cylindrical shape. Also, the inner plug 3 may have a bottomless cylindrical shape.
  • the opening 34 that communicates the outside and inside of the main body 31 of the inner plug 3 has been described.
  • the invention is not so limited.
  • the opening 34 may be an opening that penetrates the bottom 32 of the inner plug 3 . Even with such a configuration, as in the first embodiment, when the inner plug 3 is attached to the liquid container 2 as shown in FIG. It is possible to pass through and reach the applicator body 4 .
  • FIG. 10 is a plan view of the inner plug 203 according to the second embodiment of the invention.
  • 11 is a cross-sectional view taken along line XI-XI of the inner plug 203 of FIG.
  • FIG. 12 is a partially enlarged view of region R1 shown in FIG. 13 is a cross-sectional view of the inner plug 203 of FIG. 10 taken along line XIII-XIII.
  • the inner plug 203 shown in FIGS. 10 to 13 has a cylindrical shape with a bottom portion 32 and has an opening 234 that partially penetrates the bottom portion 32 .
  • the opening 34 of the first embodiment passes through the side surface of the body 31 of the inner plug 3
  • the opening 234 passes through the bottom 32 of the inner plug 203 .
  • the diameter of opening 234 is smaller than the diameter of applicator body 4 .
  • the diameter of the opening 234 is set between 0.2 mm and 5 mm.
  • the inner plug 203 is provided with a convex portion 235 protruding upward from the bottom portion 32 .
  • the convex portion 235 has a circular shape arranged so as to surround the opening 234 in plan view.
  • the protruding portion 235 may be an annular protruding portion that protrudes upward from the bottom portion 32 over the entire circumference, and may have a shape other than a circular shape such as an ellipse or a polygon in a plan view.
  • the inner plug 203 has a liquid stopping portion 236 that protrudes upward from the convex portion 235 .
  • the liquid stopping portion 236 has a circular shape in plan view, like the convex portion 235 .
  • the diameter of the liquid stopping part 236 is set to be smaller than the diameter of the applicator 4 . If the side surface of the applicator 4 is hardened with an adhesive, the diameter of the liquid stopper 236 should be smaller than the inner diameter of the adhesive layer of the applicator 4 .
  • the liquid stop portion 236 may have a shape other than a circular shape such as an elliptical shape or a polygonal shape in a plan view.
  • the liquid stop portion 236 has a tapered shape (wedge shape) whose radial width gradually decreases upward.
  • the liquid stop part 35 is provided on the inner surface of the main body 31 so as to contact the side surface of the applicator 4 over the entire circumference.
  • a liquid stopping portion 236 is provided in the .
  • the liquid stop part 236 has a wedge shape that points upward, so that it is firmly pushed into the bottom surface of the applicator 4 in the assembled state in which the applicator 4 is inserted into the inner plug 203 .
  • the liquid stop portion 236 has a wedge shape that points upward, but the present embodiment is not limited to this, and the liquid stop portion 236 is a protruding portion that protrudes upward from the bottom portion 32 of the inner plug 203 . I wish I had. By protruding upward from the bottom portion 32, even if the application body 4 tilts or the dimensions of the application body 4 vary, a gap is generated between the liquid stop portion 236 and the bottom surface of the application body 4. can be prevented.
  • each groove 208 extending in the radial direction is formed in the convex portion 235 outside the liquid stop portion 236 .
  • the groove 208 serves as a gas channel in the assembled state in which the applicator 4 is inserted into the inner plug 203 , and a gas channel can be secured below the applicator 4 .
  • the circumferential width of each groove 208 is less than the circumferential distance between circumferentially adjacent grooves 208 .
  • the inner surface of the inner plug 203 is formed with six support walls 204 protruding radially inward.
  • the distance between the supporting walls 204 facing each other across the axis C is equal to or less than the diameter Da of the applicator 4 . Therefore, when the applicator 4 is inserted into the inner plug 203 , it is sandwiched and supported by the support walls 204 .
  • Circumferentially adjacent support walls 204 are circumferentially spaced apart from each other.
  • axially extending side wall grooves 206 are defined between adjacent support walls 204 .
  • the side wall groove 206 serves as a gas channel in the assembled state in which the applicator 4 is inserted into the inner plug 203 , and a gas channel can be secured around the applicator 4 .
  • the circumferential width of each sidewall groove 206 is less than the circumferential distance between circumferentially adjacent sidewall grooves 206 .
  • the inner surface of the inner plug 203 is formed with ribs 237 extending upward from the side wall grooves 206 .
  • Each rib 237 projects inwardly from the inner surface of body 31 .
  • the distance between the ribs 237 facing each other across the axis C is equal to or less than the diameter Da of the applicator 4 . Therefore, when the applicator 4 is inserted into the inner plug 203 , it is sandwiched between the ribs 237 and supported.
  • the ribs 237 reinforce the support of the applicator 4 and prevent the applicator 4 from wobbling. can be prevented, and the close contact at the liquid stopping point can be stabilized to more reliably stop the liquid.
  • each rib 237 is arranged below the central position of the inner plug 203 in the axial direction. As a result, the volume of the liquid containing portion 39 can be ensured while reinforcing the support of the applicator 4 .
  • the present embodiment is not limited to this, and the tip of each rib 237 may be arranged above the central position of the inner plug 203 in the axial direction.
  • three of the six support walls 204 are formed with lower protrusions 205 protruding inward.
  • Support walls 204 having lower protrusions 205 and support walls 204 having no lower protrusions 205 are alternately arranged in the circumferential direction.
  • the support wall 204 can more firmly support the applicator 4 by the inwardly protruding lower protruding portion 205 .
  • ribs 237 are also formed with upper protrusions 238 that protrude inward.
  • the ribs 237 can more firmly support the applicator 4 due to the inwardly projecting upper protrusions 238 .
  • Ribs 237 with upper projections 238 are positioned on support walls 204 without lower projections 205 .
  • the rib 237 located on the support wall 204 with the lower protrusion 205 is not provided with the upper protrusion 238 .
  • Such a configuration has the advantage of dispersing the force when forcibly extracting the inner plug 3 when it is integrally formed by injection molding.
  • the lower protrusions 205 may be provided on one or more of the six support walls 204 , eg, on all of the support walls 204 .
  • Upper protrusions 238 may also be provided on one or more ribs 237 of the six ribs 237 , eg, on all ribs 237 .
  • An upper protrusion 238 may be provided on a rib 237 located on the support wall 204 with the lower protrusion 205 .
  • neither the support wall 204 nor the rib 237 may be provided with protrusions such as the lower protrusion 205 and the upper protrusion 238 .
  • FIG. 14 is a cross-sectional view showing a cross section of the inner plug 203 corresponding to FIG. 13 in an assembled state in which the applicator 4 is inserted into the inner plug 203.
  • FIG. In the assembled state the liquid stopper 236 is pushed into the bottom of the applicator 4 .
  • a liquid containing portion 39 is formed between the inner surface of the main body 31 and the applicator 4 .
  • the upper projecting portion 238 and the lower projecting portion 205 grip the applicator 4. As shown in FIG. In this way, by gripping the applicator 4 with the upper protruding portion 238 and the lower protruding portion 205 which are located at different positions in the axial direction, which is the longitudinal direction, the applicator 4 can be more concentrically connected to the inner plug 203 by extending the axis. , and the protruding direction of the liquid stop portion 236 and the bottom surface of the applicator 4 can be brought close to perpendicular. As a result, in the assembled state, the liquid stopping part 236 is firmly pushed into the bottom surface of the applicator 4 over the entire circumference.
  • the gas in the liquid container 2 tries to escape to the outside, and the liquid impregnated in the applicator 4 is pushed out and spouted. It has been described that the liquid is accumulated in the liquid storage portion 39 (see FIG. 9). As described above, in the first embodiment, since the liquid stop portion 35 contacts the side surface of the application body 4 over the entire circumference, the gas has to pass through the interior of the application body 4 . On the other hand, in this embodiment, the gas that tries to escape from the opening 234 to the outside enters the applicator 4 from the bottom surface of the applicator 4, passes through the liquid stop portion 236, the groove 208, and the applicator.
  • the inner plug 203 has a bottomed cylindrical shape with the bottom portion 32 .
  • the opening 234 is arranged so as to penetrate a part of the bottom 32 of the inner plug 203 .
  • the liquid stop portion 236 is arranged on the bottom portion 32 of the inner plug 203 and is configured to protrude toward the tip portion of the inner plug 203 .
  • the gas that tries to escape to the outside when the cap 5 is opened enters the applicator 4 from the bottom of the applicator 4 and then passes through the liquid stopper 236 to the bottom and middle of the applicator 4 . It slips out between the bottom part 32 of the plug 203 and the bottom part 32 . Therefore, it is possible to reduce the amount of gas that passes through the applicator body 4 and push out the liquid impregnated in the applicator body 4 , thereby preventing the liquid from leaking from the liquid applicator 1 .
  • the inner plug 203 may further have a projection 235 on the bottom 32 that protrudes from the bottom 32 in the axial direction and surrounds the opening 234 in plan view.
  • the liquid stop portion 236 is arranged on the convex portion 235 .
  • the projection 235 can secure a space between the bottom surface of the applicator 4 and the bottom 32 of the inner plug 203 . Therefore, the gas can pass through the space between the bottom surface of the applicator body 4 and the bottom part 32 of the inner plug 203, and the gas can pass through the applicator body 4 and push out the liquid impregnated in the applicator body 4. It is possible to prevent the liquid from leaking from the liquid applicator 1.
  • the inner plug 203 may further have at least one groove provided in the convex portion 235 outside the liquid stop portion 236 .
  • the groove 208 serves as a gas channel in the assembled state in which the applicator 4 is inserted into the inner plug 203, and a gas channel can be secured below the applicator 4.
  • the liquid stop portion 236 may have a tapered shape in which the width in the radial direction gradually decreases toward the tip of the inner plug 203 .
  • the liquid stop part 236 is firmly pushed into the bottom surface of the applicator 4 in the assembled state in which the applicator 4 is inserted into the inner plug 203, and the liquid can be stopped more reliably.
  • the inner plug 203 may further have a plurality of support walls 204 protruding radially inward on the inner surface closer to the distal end than the liquid stopper 236 .
  • a plurality of circumferentially adjacent support walls 204 are circumferentially spaced apart from each other.
  • the plurality of support walls 204 can support the applicator 4. Further, the side wall groove 206 formed between the support walls 204 adjacent in the circumferential direction serves as a gas channel in the assembled state in which the applicator 4 is inserted into the inner plug 203, and forms a gas channel around the applicator 4. can be secured.
  • the inner plug 203 may have a liquid storage section 39 that is arranged between the inner surface of the inner plug 203 and the applicator 4 on the distal end side of the liquid stopping section 236 and that can store liquid.
  • the axial length of the liquid containing portion 39 is greater than the thickness of the liquid containing portion 39 in the direction orthogonal to the axial direction.
  • the length in the axial direction and the thickness in the direction orthogonal to the axial direction of the liquid containing portion 39 are such that the length in the axial direction of the liquid containing portion 39 is greater than the distance that the liquid rises within the liquid containing portion 39 due to capillary action. configured to be large.
  • the liquid applicator 1 can stop the liquid that seeps out from the applicator 4 in the liquid container 39 when the cap 5 is opened. Since the liquid in the liquid containing portion 39 that contacts the applicator 4 is sucked into the applicator 4 , the liquid applicator 1 can prevent the liquid from leaking to the outside of the liquid applicator 1 . Further, as described above, the height h to which the liquid 10 can rise within the liquid containing portion 39 due to capillary action is represented by the formula (1). If liquid remains in the liquid containing portion 39, even if the object is turned upside down in order to apply the liquid, the volume of the liquid in the liquid containing portion 39 corresponding to the height h will be reduced by the capillary force. is held in the liquid containing portion 39 by . In this manner, the liquid containing portion 39 can retain the liquid pushed out by the increased internal pressure by capillary force, and the risk of the liquid spilling without passing through the applicator 4 can be reduced.
  • FIGS. 15 and 16 are schematic diagrams showing a first modification of the inner plug 203 according to the second embodiment of the invention.
  • FIG. 15 is a partially enlarged view for explaining part of the bottom portion 32 of the inner plug 203 in comparison with FIG. 16 is a cross-sectional view of the configuration of FIG. 15 taken along the line XVI--XVI.
  • the number of openings 234 penetrating a part of the bottom portion 32 of the inner plug 203 is one.
  • the present embodiment is not limited to this, and the number of openings that partially penetrate the bottom portion 32 may be two or more. For example, as shown in FIGS.
  • the inner plug 203 may have two openings 234a and 234b that partially penetrate the bottom portion 32. As shown in FIGS. If there are a plurality of openings in this way, even if some of the openings are blocked by liquid, air can pass through the other openings. Therefore, according to this modification, it is possible to reduce the pulsation of the liquid caused by the air returning to the liquid container 2 through a small path when the liquid is applied to an object such as a fingernail. The coating operation can be performed smoothly.
  • FIGS. 17 and 18 are schematic diagrams showing a second modification of the inner plug 203 according to the second embodiment of the present invention.
  • FIG. 17 is a partially enlarged view for explaining part of the bottom portion 32 of the inner plug 203 in comparison with FIG. 18 is a cross-sectional view of the configuration of FIG. 17 taken along line XVIII--XVIII. 15 and 16, the axial positions (heights) of the openings 234a and 234b are different in the second modification shown in FIGS.
  • the inner plug 203 has a protrusion 210 that protrudes upward beyond the upper end of the liquid stop portion 236 from the protrusion 235, and the opening 234a extends from the upper end of the protrusion 210 to the bottom surface of the inner plug 203.
  • the inner plug 203 has a projection 211 protruding downward from the bottom surface, and the opening 234b is configured to penetrate from the upper end of the projection 235 to the lower end of the projection 211 .
  • the protrusion 210 is inserted into the lower end of the applicator 4 in the assembled state. Since the heights of the openings 234a and 234b are different from each other, the pressure of the liquid in the openings 234a and 234b is different from each other, and when applying the liquid to an object such as a fingernail, the liquid and air are exchanged. done smoothly.
  • FIGS. 19 and 20 are schematic diagrams showing a third modification of the inner plug 203 according to the second embodiment of the present invention.
  • FIG. 19 is a partially enlarged view for explaining part of the bottom portion 32 of the inner plug 203 in comparison with FIG. 20 is a cross-sectional view of the configuration of FIG. 19 taken along line XX-XX.
  • the diameters of the openings 234a and 234b in the third modification shown in FIGS. 19 and 20 are different from each other.
  • the inner plug 203 has a projection 211 projecting downward from the bottom surface, and the opening 234a is configured to penetrate from the upper end of the projection 235 to the lower end of the projection 211 .
  • a liquid stopper 236a surrounding the opening 234a and a liquid stopper 236b surrounding the opening 234b are provided separately.
  • the liquid container 2 has a bottomed cylindrical shape, but the liquid container 2 may have a flat shape with a smaller depth than the width and height.
  • the depth of the flat liquid container 2 is less than 0.6 times the width and less than 0.6 times the height.
  • the amount of liquid passing through the opening 234 can be suppressed to a small amount, thereby preventing the liquid from leaking from the liquid applicator 1. be able to.
  • FIG. 21 is a cross-sectional view of a liquid applicator 301 according to a third embodiment of the invention.
  • the inner plug 203 has a configuration similar to that of the second embodiment shown in FIG.
  • the flange portion 33 is provided below and close to the opening 234 in the axial direction, but it may be provided in the central portion of the inner plug 203 as in FIG.
  • the liquid applicator 301 includes a substantially cylindrical grip portion 24 that surrounds the liquid container 2 from the outside.
  • the user grips the liquid applicator 301 by gripping the grip portion 24, and brings the tip of the applicator 4 into contact with an object such as a nail to apply the liquid 10 to the object.
  • a heat insulating portion 25, which is a gap portion, is provided between the liquid container 2 and the grip portion 24 in the radial direction.
  • the liquid container 2 is formed, for example, by injection molding. Injection molding makes it easier to form a thicker liquid container 2 than blow molding. The thick liquid container 2 can prevent a liquid such as ethanol from permeating the liquid container 2 and leaking to the outside.
  • the heat insulating portion 25 is provided between the liquid container 2 and the grip portion 24 as described above, even if the user grips the grip portion 24 with the container upside down for application, the user's hand is It becomes difficult for the temperature to be transmitted to the liquid 10 in the liquid container 2 . Therefore, according to the liquid applicator 301 according to the present embodiment, the internal pressure of the liquid container 2 rises due to the temperature rise of the liquid 10 and/or the gas in the liquid container 2, and the liquid 10 in the liquid container 2 is pushed out. Impregnation in the application body 4 can be reduced, and leakage of liquid can be prevented.
  • the provision of the heat insulating part 25 between the liquid container 2 and the grip part 24 is particularly advantageous when the liquid 10 is a highly volatile liquid medicine indicated for tinea unguium.
  • the temperature inside the liquid container 2 rises sharply without the heat insulating part 25 , and the liquid container 2 becomes hot. Internal pressure rises sharply. This sudden increase in internal pressure is remarkable when the amount of liquid remaining in the liquid container 2 is small.
  • the heat insulating portion 25 is provided between the liquid container 2 and the grip portion 24 , even if the grip portion 24 is gripped by a hot hand, the temperature of the hand does not reach the liquid 10 in the liquid container 2 . It becomes difficult to convey. Therefore, according to the liquid applicator 301 according to this embodiment, it is possible to prevent the liquid from leaking as described above.
  • the liquid applicator 301 has the advantage that the temperature of the user's hand is less likely to be transmitted to the liquid 10 in the liquid container 2 and/or the gas in the liquid container 2. Therefore, even if the volume of the liquid container 2 is increased, Liquid leakage can be prevented. That is, if the volume of the liquid container 2 is large, the volume of the gas chamber in which the gas is accumulated in the liquid container 2 also increases, especially when the liquid 10 is consumed and the remaining amount is reduced, and the degree of increase in internal pressure due to the temperature rise. becomes larger than in the case of small volume.
  • the amount of volatile liquid contained in the liquid container is usually set to a small amount, such as several mL to 5 mL, and the volume of the liquid container is also reduced.
  • the temperature of the user's hand is less likely to be transmitted to the inside of the liquid container 2, even if the user grips the grip portion 24 with the container upside down for application, the internal pressure due to the temperature rise is reduced. It is possible to reduce the influence of the rise on the liquid 10 to be delivered, and to prevent the liquid 10 from leaking even if the volume of the liquid container 2 is increased.
  • the liquid applicator 301 has the advantage that the temperature of the user's hand is less likely to be transmitted to the inside of the liquid container 2, so even if the opening area of the opening 234 is increased, it has the effect of preventing the liquid 10 from leaking.
  • it is effective to increase the opening area of the opening through which the liquid is sent out in the liquid container to increase the amount of liquid sent out per unit time.
  • the increase in internal pressure also makes it easier for the liquid to be pushed out, making it more likely to leak.
  • the temperature of the user's hand is less likely to be transmitted to the inside of the liquid container 2, even if the user grips the grip portion 24 with the container upside down for application, the internal pressure due to the temperature rise is reduced. It is possible to reduce the influence of the upward movement on the delivered liquid 10, and to prevent leakage of the liquid 10 even if the opening area is increased.
  • the liquid applicator 301 since the liquid applicator 301 has a double wall of the liquid container 2 and the grip portion 24, it has a high light blocking effect. Therefore, the liquid container 2 of the liquid applicator 301 is suitable for containing a liquid medicine whose efficacy is likely to be impaired by light.
  • FIG. 22 is a cross-sectional view of a liquid applicator 401 according to a modification of the third embodiment of the invention.
  • a substantially cylindrical grip portion 24 surrounding the liquid container 2 from the outside extends from the side surface of the main body 31 of the inner plug 403 and is integrally formed with the inner plug 403 .
  • the grip portion 24 surrounds part or all of the liquid container 2 from the outside.
  • the handle 24 preferably surrounds most of the liquid container 2 from the outside.
  • a heat insulating portion 25, which is a gap portion, is provided between the liquid container 2 and the grip portion 24 in the radial direction.
  • a cap mounting portion 431 which is an external thread that screws together with the internal thread of the cap 5, is provided on the outside of the inner plug 403.
  • a container attachment portion 432 for attaching the inner plug 403 to the liquid container 2 is provided inside the grip portion 24 .
  • the container mounting portion 432 may be an internal thread, or may be a concave portion that engages with an outward protrusion of the liquid container 2 .
  • a cylindrical or polygonal tubular leg 26 is provided to support the liquid applicator 401 so that it can stand on its own.
  • the leg portion 26 has a polygonal cylindrical shape, it is possible to prevent the liquid applicator 401 from rolling.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
PCT/JP2021/032106 2021-01-27 2021-09-01 液体塗布具及び中栓 Ceased WO2022162991A1 (ja)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0188776U (https=) * 1988-06-21 1989-06-12
JP2002255255A (ja) * 2001-03-01 2002-09-11 Pilot Ink Co Ltd 簡易塗布具
JP6005344B2 (ja) * 2011-07-05 2016-10-12 科研製薬株式会社 爪白癬薬用塗布具
JP3212528U (ja) * 2016-08-25 2017-09-14 深▲せん▼市徳昌裕塑▲こう▼制品有限公司ＵＤＮ Ｐａｃｋａｇｉｎｇ Ｃｏｒｐ． 包装チューブ
JP2018034860A (ja) * 2016-08-31 2018-03-08 株式会社吉野工業所 吐出容器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0188776U (https=) * 1988-06-21 1989-06-12
JP2002255255A (ja) * 2001-03-01 2002-09-11 Pilot Ink Co Ltd 簡易塗布具
JP6005344B2 (ja) * 2011-07-05 2016-10-12 科研製薬株式会社 爪白癬薬用塗布具
JP3212528U (ja) * 2016-08-25 2017-09-14 深▲せん▼市徳昌裕塑▲こう▼制品有限公司ＵＤＮ Ｐａｃｋａｇｉｎｇ Ｃｏｒｐ． 包装チューブ
JP2018034860A (ja) * 2016-08-31 2018-03-08 株式会社吉野工業所 吐出容器

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