WO2015030249A1 - Récipient de liquide et élément d'évacuation de liquide utilisé sur un récipient de liquide - Google Patents

Récipient de liquide et élément d'évacuation de liquide utilisé sur un récipient de liquide Download PDF

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Publication number
WO2015030249A1
WO2015030249A1 PCT/JP2014/072982 JP2014072982W WO2015030249A1 WO 2015030249 A1 WO2015030249 A1 WO 2015030249A1 JP 2014072982 W JP2014072982 W JP 2014072982W WO 2015030249 A1 WO2015030249 A1 WO 2015030249A1
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WO
WIPO (PCT)
Prior art keywords
liquid
container
end side
opening
holding portion
Prior art date
Application number
PCT/JP2014/072982
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English (en)
Japanese (ja)
Inventor
浩光 塩野
Original Assignee
参天製薬株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 参天製薬株式会社 filed Critical 参天製薬株式会社
Publication of WO2015030249A1 publication Critical patent/WO2015030249A1/fr

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Classifications

    • 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
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/18—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages for discharging drops; Droppers

Definitions

  • the present invention relates to a liquid container and a liquid discharge member used for the liquid container.
  • a liquid container that includes a container body that can store a liquid in which an opening is formed, and a discharge portion (inner plug) that discharges a predetermined amount of liquid attached to the opening.
  • a liquid container is used, for example, as an eye drop container for containing eye drops.
  • the discharge part of the eye drop container is positioned above the eyes with the face facing upward.
  • a predetermined amount (for example, one drop) of eye drops is dropped from the discharge unit by pressing the container body.
  • an eye drop container having a liquid reservoir provided in the vicinity of the discharge portion inside the container body has been proposed for the purpose of applying eye drops without facing the face upward (see Patent Document 1).
  • the liquid reservoir has an opening formed on a side surface in a state where the container body is upright (a state where the discharge unit faces upward), and a plurality of short holes arranged in the opening.
  • the present invention is a cylindrical (cylindrical or frustoconical) liquid that has one end connected to the liquid discharge hole and the other end opened to the inside of the container. It is characterized by providing a liquid reservoir having a holding part and a plurality of protruding parts protruding radially inward from the inner peripheral surface of the liquid holding part, without facing the face upward.
  • the present invention is a liquid container comprising a container main body having an opening and capable of containing a liquid, and a liquid ejection unit attached to the opening, wherein the liquid ejection unit (1) ejects liquid.
  • a cylindrical liquid holding portion whose one end side communicates with the liquid discharge hole and the other end side opens toward the inside of the container body, and radially inward from the inner peripheral surface of the liquid holding portion.
  • the present invention relates to a liquid container comprising: a liquid reservoir portion having a plurality of protruding portions protruding; and (3) an attachment portion to the container main body.
  • the liquid holding part and the liquid reservoir part are formed in a cylindrical shape or a truncated cone shape, and a plurality of the protruding parts are arranged so as to face each other.
  • the inner diameter of the liquid holding portion may be gradually decreased from the other end toward the one end side, or may be gradually increased from the other end toward the one end side, for example. Good.
  • volume of the liquid retained in the liquid reservoir is preferably 20 ⁇ l to 100 ⁇ l.
  • the present invention is also a liquid ejection member attached to the opening in a container capable of storing liquid having an opening, wherein (1) a liquid ejection hole for ejecting liquid, and (2) one end side of the liquid ejection A liquid reservoir having a cylindrical liquid holding portion that communicates with the hole, the other end opening toward the inside of the container, and a plurality of protruding portions that protrude radially inward from an inner peripheral surface of the liquid holding portion; and (3) It is related with a liquid discharge member provided with the attaching part to the container.
  • the present invention it is possible to provide a liquid container capable of stably discharging a predetermined amount of liquid without directing the liquid discharge portion downward, and a liquid discharge member used for the liquid container.
  • FIG. 10 is a longitudinal front view showing a modification of the inner plug, corresponding to a cross-sectional view taken along the line ZZ of FIG. 6B.
  • FIG. 6B is a bottom view of the inner plug shown in FIG. 6A. It is the perspective view which fractured
  • an eye drop container 10 as a liquid container includes a container main body 11 having an opening 15 and a liquid discharge unit or a liquid discharge member attached to the opening 15 of the container main body 11.
  • a cap 12 and a cap 13 detachable from the container body 11 are provided.
  • the container body 11 includes a liquid storage portion 11a in which eye drops (liquid) W is stored, and a cylindrical portion 11b that stands up from the liquid storage portion 11a.
  • the liquid storage portion 11a includes a bottom surface portion 111, an upper surface portion 112, a pair of wide side surface portions 113a and 113b, and a pair of narrow side surface portions 114a and 114b.
  • the upper surface portion 112 includes a cylindrical portion 11b.
  • the lower end side (proximal end side) is open-connected.
  • the liquid container 11a is formed to have a size that can accommodate, for example, about 5 to 30 ml of eye drops W.
  • the cylindrical portion 11b is formed in a cylindrical shape with both upper and lower ends open. And the opening part of the lower end side is connected to the inside of the liquid accommodating part 11a mentioned above, and the opening part 15 of the upper end side (front end side) is the opening part of the container main body 11.
  • a male screw 16a is formed on the outer peripheral surface on the upper end side of the cylindrical portion 11b.
  • the container body 11 described above is integrally formed of synthetic resin.
  • the cap 13 is formed in a cylindrical shape with a synthetic resin, and an internal thread 16b is formed on the inner peripheral surface of the cap 13 to be coupled to the external thread 16a formed on the outer peripheral surface of the cylindrical portion 11b (see FIG. 1). .
  • the inner plug 12 is attached to the opening 15 on the upper end side of the cylindrical portion 11b. As shown in FIGS. 4A and 4B, the inner plug 12 includes a nozzle (liquid ejection hole) 17, a liquid reservoir portion 18, and an attachment portion 19.
  • the nozzle 17 communicates with the liquid reservoir 18 and presses the liquid storage portion 11a of the container main body 11 described above, whereby a predetermined amount of eye drops Wa (see FIG. 5) held inside the liquid reservoir 18 is obtained. It is designed to discharge.
  • the liquid holding portion 20 and the protruding portion 21 described above are formed inside the liquid reservoir portion 18.
  • a straight hole 20 a that communicates with the inside of the container body 11 and a tapered taper hole 20 b that communicates with the nozzle 17 are connected.
  • the plurality of protruding portions 21 are formed to protrude in the form of vertical ribs having a triangular cross section from the inner peripheral surface of the liquid holding portion 20 to the radially inner side.
  • the protrusions 21 have a length from the lower (other) end to the upper (one) end of the liquid holding unit 20 and are arranged at equal intervals in the circumferential direction. Accordingly, the first protrusion 21a having a triangular prism shape is formed in the straight hole 20a of the liquid holding part 20, and the second protrusion 21b having a triangular pyramid shape is formed in the tapered hole 20b.
  • the straight hole 20a of the liquid holding part 20 is provided with a uniform gap from the lower end to the upper end, and the tapered hole 20b is provided with a gap that gradually decreases from the lower end to the upper end.
  • the attachment portion 19 is formed in a straight cylindrical shape and is connected to the liquid reservoir portion 18 via the outward flange portion 22. And the attaching part 19 is fixed by press-fitting etc. with respect to the opening part 15 of the upper end side of the cylindrical part 11b. At this time, the lower surface of the outward flange portion 22 is seated on the upper end surface of the tubular portion 11b.
  • the inner plug 12 described above is integrally formed of synthetic resin, but two or more kinds of members may be combined.
  • the usage method (usage procedure) of the eye drop container 10 configured as described above will be described with reference to FIG.
  • the usage method shown in FIG. 5 is only an example, and various usage methods can be considered in accordance with the object of the present invention.
  • the eye drop W in the container main body 11 (liquid storage part 11a) is moved into the inside of the liquid reservoir 18 in the inner plug 12 (liquid holding part 20) by tilting the eye drop container 10 (container main body 11) from the above state. Fill (see procedure (II)). At this time, the eye drops W do not flow out to the outside due to the surface tension, the diameter setting of the nozzle 17 or the like.
  • the ophthalmic container 10 (container body 11) is returned from the above state to the original posture, that is, the standing state (see procedure (III)).
  • the liquid reservoir (eye drops Wa) formed inside the liquid reservoir 18 is not too far from the inner surface of the liquid holding part 20 (see FIG. 3) or the protruding part 21.
  • a desired amount of liquid (for example, 20 ⁇ l to 100 ⁇ l) is held against gravity by tension.
  • the tip of the inner plug 12, that is, the nozzle 17 is positioned in the vicinity of the eyes of the user of the eye drops W to be discharged, and the container main body 11 (liquid storage portion 11 a) is pressed. Then, the internal pressure of the container main body 11 (liquid storage part 11a) increases, and a fixed amount of eye drops Wa held in the liquid reservoir part 18 is discharged (instilled) from the nozzle 17 toward the user's eyes (procedure). (See (IV)).
  • the fixed amount of eye drops Wa filled in the liquid reservoir 18 in the inner stopper 12 is resistant to gravity even if it is returned to its original state. Since it is held in the liquid holding part 20 of the reservoir part 18, the eyes of the user who is a discharge target of the fixed amount of eye drops Wa can be stably stabilized without the tip of the inner plug 12, that is, the nozzle 17 being directed downward. The liquid can be discharged (instilled) toward the head.
  • a plurality of pairs of protruding portions 21 are arranged on the inner peripheral surface of the liquid holding portion 20 including the straight hole portion 20a and the tapered hole portion 20b.
  • the distance from the inner surface of the liquid holding part 20 in the internal space of the liquid reservoir 18 can be made more uniform. Therefore, the surface tension (holding force) of the fixed amount of eye drops Wa is balanced in the circumferential direction, and the fixed amount of eye drops Wa is stably held in the liquid reservoir 18.
  • the taper hole portion 20 b is provided on the downstream side of the liquid flow of the straight hole portion 20 a in the liquid holding portion 20, so that a certain amount held inside the liquid reservoir portion 18.
  • the eye drops Wa can be discharged (instilled) more vigorously.
  • the plurality of projecting portions 21 are formed in a vertical rib shape so as not to be continuous in the radial direction, so that the internal space of the liquid reservoir portion 18 is formed by the projecting portions 21. It can be configured without dividing into a plurality. Accordingly, the entire amount of the eye drop Wa held in the liquid reservoir 18 can be discharged. That is, in the case of having a plurality of sections, if the eye drops Wa in one section is discharged in advance, air escapes through the section, so that the eye drops Wa in the remaining sections are difficult to be discharged. Then you can avoid it.
  • a polypropylene liquid discharge portion (inner plug) is prepared, and this is put into a separately prepared polyethylene terephthalate container body (filled with 10 ml of eyedrops). Obtained.
  • this ophthalmic container was operated according to the usage procedure shown in FIG. 5, the ophthalmic solution was discharged 10 times, and the weight of the ophthalmic solution discharged each time was measured. The variation [standard deviation (SD), relative standard deviation (RSD)] was calculated.
  • the inner plug 12 includes a nozzle (liquid discharge hole) 17, a liquid reservoir 18, and an attachment portion 19, and the liquid reservoir 18 includes a liquid holding portion 20 and a protruding portion 21 as shown in FIGS. 4A and 4B.
  • the liquid holding part 20 is formed in a tapered cylindrical shape (cylindrical shape) in which one (front) end side communicates with the nozzle 17 and the other (base) end side opens toward the inside of the container body 11, and the inner diameter thereof is It gradually decreases from the other end toward the one end.
  • the inner diameter of the other end (the inner diameter of the lower end of the liquid reservoir 18) is the same diameter (for example, 6.28 mm) as the inner diameter of the mounting portion 19 described later.
  • the projecting portion 21 is formed by projecting a plurality of longitudinal ribs from the inner peripheral surface of the liquid holding portion 20 inward in the radial direction. More specifically, the protrusion 21 is composed of four thick first protrusions 21a and eight thin second protrusions 21b.
  • the first protrusions 21 a have a length extending from the other end to the one end of the liquid holding unit 20 and are arranged at equal intervals in the circumferential direction.
  • the second projecting portion 21b extends from the other end of the liquid holding portion 20 to one end side with a length approximately half the length of the first projecting portion 21a, and between adjacent first projecting portions 21a at a projecting height lower than the first projecting portion 21a. Two are arranged at equal intervals in the circumferential direction. That is, six pairs of protrusions 21 are arranged so as to face each other.
  • the first projecting portion 21a and the second projecting portion 21b have a uniform gap from the other end to the one end of the liquid holding portion 20 so that those facing each other are not connected in the radial direction. Is provided. Therefore, the 1st protrusion part 21a and the 2nd protrusion part 21b are formed in the vertically long triangle shape by side view. The gap in the second protrusion 21b is larger than the gap in the first protrusion 21a.
  • the entire liquid holding portion 20 is tapered (cylindrical). ), It is possible to obtain an advantage that a predetermined amount of eye drops Wa held in the liquid reservoir 18 can be discharged (instilled) more vigorously.
  • FIG. 8 Another modification of the inner plug 12 is shown in FIG.
  • the inner plug 12 has the same inner diameter of the liquid holding unit 20 from the container body 11 side (the other end) toward the nozzle 17 (one end) side (in the case of FIG. 8), although not shown, the liquid holding unit The inner diameter of 20 is gradually increased from the container body 11 side (the other end) toward the nozzle 17 (one end) side. Thereby, since the liquid retention of the liquid reservoir 18 can be further improved, the volume of the liquid retained in the liquid reservoir 18 can be further increased.
  • the inner plug 12 is mounted upward with respect to the container body 11 in the above embodiment, but may be mounted sideways by bending the straight cylindrical attachment portion 19 of the inner plug 12 or the like.
  • a non-soft material such as polypropylene or polyethylene terephthalate
  • eye drops Wa is discharged from the nozzle 17 by providing a pressing bulge on the container body 11 to increase the internal pressure. It can also be made easier.
  • the liquid container of this invention it cannot be overemphasized that an eye drop can be dripped with the discharge part of a container facing downwards like the conventional eye drop container.
  • the eyedrop container 10 is described as an example of the liquid container, the present invention accommodates a drink (including nutrients) for infants and the like, and a certain amount of drink (including nutrients) for infants and the like. It can also be applied to a liquid container that is discharged into the oral cavity.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

　L'invention porte sur un récipient de liquide, à partir duquel récipient une quantité prescrite de liquide peut être déchargée de façon stable même sans diriger une partie d'évacuation de liquide vers le bas. La présente invention comporte un corps de récipient (11) apte à recevoir un agent de lavage d'œil (W), et un bouchon interne (12) monté sur une partie d'ouverture (15) du corps de récipient (11), le bouchon interne (12) comportant : (1) une buse (17) à partir de laquelle l'agent de lavage d'œil (W) est évacué; (2) une partie de réservoir de liquide (18) ayant une partie de maintien de liquide cylindrique (20), dont une extrémité communique avec la buse (17), et dont l'autre extrémité s'ouvre vers l'intérieur du corps de récipient (11), et une pluralité de parties saillantes (21) qui font saillie à partir de la surface périphérique interne de la partie de maintien de liquide (20) vers le côté interne dans la direction radiale; et (3) une partie d'attachement cylindrique (19) reliée à la partie de réservoir de liquide (18) par l'intermédiaire d'une partie de bride dirigée vers l'extérieur (22), et fixée à la partie d'ouverture (15) par adaptation par pression, ou analogue.
PCT/JP2014/072982 2013-09-02 2014-09-02 Récipient de liquide et élément d'évacuation de liquide utilisé sur un récipient de liquide WO2015030249A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013181296 2013-09-02
JP2013-181296 2013-09-02

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WO2015030249A1 true WO2015030249A1 (fr) 2015-03-05

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WO (1) WO2015030249A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018104814A1 (fr) 2016-12-07 2018-06-14 Crugliano Salvatore Kit pour la combinaison contrôlée d'ingrédients actifs

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6804950B2 (ja) * 2016-11-30 2020-12-23 エステー株式会社 揮散装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741001Y2 (fr) * 1980-01-17 1982-09-08
JP2535942Y2 (ja) * 1990-10-04 1997-05-14 富山科学工業株式会社 液体容器用中栓
JP2009261453A (ja) * 2008-04-22 2009-11-12 Hanshin Kasei Kogyo Kk 滴下ノズル
JP4402591B2 (ja) * 2002-07-16 2010-01-20 千寿製薬株式会社 薬液容器及びその製造方法
JP2013005947A (ja) * 2011-06-24 2013-01-10 Nanbu Plastics Co Ltd 液体容器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4553686A (en) * 1984-05-17 1985-11-19 St. Luke's Hospital Drop dispenser
JPH0511947U (ja) * 1991-07-31 1993-02-19 邦希 早坂 水平ノズル付薬液容器
JP2000279517A (ja) * 1999-03-29 2000-10-10 Santen Pharmaceut Co Ltd 点眼具
JP2005211184A (ja) * 2004-01-28 2005-08-11 Bioserentack Co Ltd 微薬液量滴下用点眼容器およびアダプター
CN201043046Y (zh) * 2006-06-22 2008-04-02 上海科华生物工程股份有限公司 一种翻盖式的试剂瓶
JP5136873B2 (ja) * 2006-07-14 2013-02-06 隆 片山 液体搾出ノズル付容器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741001Y2 (fr) * 1980-01-17 1982-09-08
JP2535942Y2 (ja) * 1990-10-04 1997-05-14 富山科学工業株式会社 液体容器用中栓
JP4402591B2 (ja) * 2002-07-16 2010-01-20 千寿製薬株式会社 薬液容器及びその製造方法
JP2009261453A (ja) * 2008-04-22 2009-11-12 Hanshin Kasei Kogyo Kk 滴下ノズル
JP2013005947A (ja) * 2011-06-24 2013-01-10 Nanbu Plastics Co Ltd 液体容器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018104814A1 (fr) 2016-12-07 2018-06-14 Crugliano Salvatore Kit pour la combinaison contrôlée d'ingrédients actifs

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