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WO2022041234A1 - Compte-gouttes à régulation de dosage - Google Patents

Compte-gouttes à régulation de dosage Download PDF

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Publication number
WO2022041234A1
WO2022041234A1 PCT/CN2020/112662 CN2020112662W WO2022041234A1 WO 2022041234 A1 WO2022041234 A1 WO 2022041234A1 CN 2020112662 W CN2020112662 W CN 2020112662W WO 2022041234 A1 WO2022041234 A1 WO 2022041234A1
Authority
WO
WIPO (PCT)
Prior art keywords
button
pipette
container
spring
dropper according
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/CN2020/112662
Other languages
English (en)
Inventor
Jinseok Kim
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.)
LOreal SA
Original Assignee
LOreal SA
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 LOreal SA filed Critical LOreal SA
Priority to PCT/CN2020/112662 priority Critical patent/WO2022041234A1/fr
Priority to CN202080103566.0A priority patent/CN116096500B/zh
Priority to FR2009778A priority patent/FR3113656B1/fr
Publication of WO2022041234A1 publication Critical patent/WO2022041234A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0241—Drop counters; Drop formers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0282—Burettes; Pipettes mounted within a receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/02—Identification, exchange or storage of information
    • B01L2300/025—Displaying results or values with integrated means
    • B01L2300/028—Graduation

Definitions

  • the present invention relates to a dosage control dropper.
  • the present invention relates to a dosage control dropper for cosmetic products or medical fluids.
  • Cosmetic products are commonly used by people, especially by females. In general, the cosmetic products or contents are contained in a container for transport, storage, sale and use.
  • a cap is provided for sealing a container to prevent the fluid in the container leaking or flowing out from the container.
  • the cap is removed and the fluid can be poured out from the container.
  • a cosmetic product is received in a container with a pump head or a spray head.
  • the cosmetic product in such conventional container is dispensed through the pump head in liquid form or through the spray head in spray form, which may result in unnecessary waste, since dispensing of the cosmetic product through the pump head or the spray head may leave some residual cosmetic products in the flow channel of the pump head or the spray head.
  • This conventional container with the pump head or the spray head is not suitable for storing and dispensing expensive cosmetic product.
  • a dropper assembly is used with a container to dispense some expensive cosmetic products.
  • the dropper assembly includes a syringe that is provided with a head for drawing and dispensing the cosmetic product.
  • the head is made from rubber material and the head is mounted on a top of the syringe.
  • the syringe is used to draw the cosmetic product from a container and then expel the cosmetic product from the syringe by squeezing the head.
  • the containers in the prior art are also used in cosmeceuticals field or medicine filed. That is to say, the containers, such as the above-mentioned containers are also used for storing and applying some cosmeceuticals or medical fluids.
  • the prior art devices such as the conventional containers, droppers and caps cannot draw and dispense a precise amount of fluid for each use. For example, in some situations, the user needs to apply a precise amount of cosmetic product. Furthermore, in the cosmeceuticals field or medicine filed, dispensing a precise amount of cosmeceuticals or medical fluid is more important.
  • the user cannot control or take a precise amount of fluid.
  • the prior art devices for example the conventional syringes, can set a predetermined amount of fluid or a predetermined dosage, it cannot draw and dispense different predetermined amounts with one single syringe.
  • the prior art device sets a predetermined amount of fluid, one prior art device can only take one predetermined amount of fluid (for achieving two or more predetermined amounts, two or more dedicated devices are necessary) , let alone choosing different predetermined amounts in one action.
  • One object of the present invention is to provide a dropper which can be charged easily and accurately.
  • Another object of the present invention is to allow an adjustment of the quantity of fluid to be dispensed in an easier and more precise manner.
  • Another object of the present invention is to obtain a dropper having a simplified structure and meanwhile it can choose one of different predetermined amounts in one action.
  • a dosage control dropper comprises: a container having a body portion and a neck portion; a button having a press portion, a graduation portion, a rod portion and a head portion; a pipette having a plurality of sections and the pipette is connected with the button; a piston provided on the head portion of the button; a spring provided round the rod portion and having a plurality of strokes; wherein the graduation portion of the button has graduations on its outer wall, and wherein when the press portion of the button is pressed to different positions in which different graduations are aligned with the top of the cap, different predetermined amount of fluid within the container can be taken.
  • a cap is connected with the button and the pipette.
  • a wiper is provided between the pipette and the container.
  • the spring is a conical spring that has a moving part and a non-moving part, and the spring’s stroke is limited within a limited height.
  • the moving part of the spring is fixed at the top of the rod portion of the button and is moved with the button, and the non-moving part is fixed at a stopper of the pipette or ruler on the button.
  • the pipette has a connection part for connecting with the button and a tube part, wherein the tube part as an upper section that is cylindrical with a first diameter, a middle section that is cylindrical with a second diameter, a transition between the upper section and the middle section that is truncated conical or a step, a lower section that has a gradually decreasing outer diameter, and a mouth on the lower section for drawing and expelling fluid, wherein the second diameter being smaller than the first diameter.
  • the internal diameter of the middle section of the pipette is smaller than the spring diameter, so that the spring is seat on a step inside the transition.
  • the piston is made by LDPE, HDPE or TPE and the piston is hollow that matches the profile of the head portion of the button.
  • the container is made by transparent material or non-transparent material and the container has an opening formed at the top of the neck portion.
  • the graduations are a plurality of indentation lines which indicate the amount to be drawn, the indentation lines are parallel with each other and extended along a full circle or a part of the full circle on the outer wall.
  • connection part of the pipette has an upper part having an opening
  • the rod portion and the piston, together with the spring are inserted into the pipette from the opening of the upper part, and the rod portion is received in the interior of the connection part and a part of the tube part.
  • the cap has an inner wall with internal thread that matches the external thread of the container, a smooth outer wall and a rim extended from the outer wall, wherein the rim has a larger diameter than the outer wall.
  • the plurality of strokes comprise a first stroke, a second stroke, a third stroke and a fourth stroke.
  • a dosage click stopper is provided to indicate the feeling or click sound to dosage.
  • a plurality of first embossing are provided in each groove, which are apart from each other along the circle of each groove.
  • a plurality of second embossing are provided on the internal surface of the opening of the cap, which are apart from each along the circle of the internal surface of the opening of the cap.
  • Fig. 1 is a perspective view of an exemplary dosage control dropper according to the invention.
  • Fig. 2 is a perspective view of an exemplary container of a dosage control dropper according to the invention.
  • Fig. 3 is another perspective view of an exemplary container of a dosage control dropper according to the invention.
  • Fig. 4 is a perspective view of an exemplary button of a dosage control dropper according to the invention.
  • Fig. 5 is a perspective view of an exemplary button with a piston of a dosage control dropper according to the invention.
  • Fig. 6 is a perspective view of an exemplary button with a flange according to the invention.
  • Fig. 7 is a sectional view of an exemplary spring according to the invention.
  • Fig. 8 is a perspective view of an exemplary pipette according to the invention.
  • Fig. 9 shows the button and the pipette according to the invention.
  • Figs. 10 and 11 respectively show the assembly and disassembly conditions of the button and the container.
  • Fig. 12 shows the button and the pipette expelling fluid.
  • Figs. 13 and 14 are perspective views of an exemplary cap according to the invention.
  • Fig. 15 is a perspective view of an exemplary cap with a rim according to the invention.
  • Fig. 16 is a perspective view of an exemplary cap with a rim according to the invention.
  • Figs. 17 and 18 are perspective views of an exemplary wiper according to the invention.
  • Figs. 19 to 21 show 4 strokes according to the invention.
  • Fig. 22 is a perspective view of an exemplary dropper′sembossing according to the invention.
  • Fig. 23 is a perspective view of an exemplary dropper′sembossing according to the invention.
  • Fig. 24 is an explosive view of an exemplary dropper according to the invention.
  • Fig. 1 shows a perspective view of the dosage control dropper according to the present invention.
  • the dosage control dropper 1 includes a button 10 and a container 11.
  • the button 10 can be connected with the container 11 by, for example, screw connection.
  • the container 11 can be made by transparent material or non-transparent material.
  • the container 11 can be made by glass, plastics, polymer or metal.
  • the container 11 is for containing a fluid substance, for example of a cosmetic or medical kind. Fluid which may be contained in the container may include, for example, anti-wrinkle solutions, anti-ageing solutions, oily solutions, foundations, lotions, dyes, active ingredients, or any other medicine fluid.
  • the container 11 has a body portion 110 and a neck portion 111.
  • the body portion 110 of the container 11 is used for containing cosmetic product that is generally fluid, such as liquid, cream, gel, foam.
  • the neck portion 111 of the container 11 is preferably integrated with the body portion 110 and made by the same material as that of the body portion 110.
  • the neck portion 111 may have an outer thread on an outer wall thereof.
  • the container 11 has an opening 112 formed at the top of the neck portion 111.
  • the container 11 is hollow and the opening 112 communicates with a hollow cavity (not shown) of the container 11.
  • the bottom of the container 11 may be flat.
  • the container 11 may be provided with a depressed portion 113 at the bottom of the body portion 110.
  • the depressed portion 113 can help the container stand upright more stable.
  • the button 10 has a press portion 100 that is generally a disk-shape.
  • the user can operate by means of pressing or releasing the press portion with his fingers, for example, with his thumb of either hand.
  • the button 10 has a graduation portion 101 that has graduations on its outer wall.
  • the graduations can be a plurality of indentation lines which indicate the amount to be drawn. In the embodiment of Fig. 4, there are four graduations 1010, 1011, 1012 and 1013. In other embodiments, any other number of graduations can be used.
  • the indentation lines are parallel with each other and they can be extended along a full circle on the outer wall, i.e., 360 degrees in a cross section of a circle.
  • the indentation lines extend to a extent of a part of a full circle, for example, a quarter, a half, or three quarters of the full circle, i.e., a circular sector of 90, 180, 270 degrees in a cross section of a circle.
  • the circular sector can be 45, 135, 225, 315 degrees.
  • the button 10 has a rod portion 102 and a head portion 103, as shown in Fig. 4.
  • the head portion has preferably a cylindrical section 1030 with a constant outer diameter and a truncated cone section 1031 with a gradually decreasing outer diameter from the bottom to the top of the truncated cone.
  • Fig. 5 shows a button with a piston according to the invention.
  • the piston 104 is provided around the head portion 103 of the button 10.
  • the piston 104 can be made by plastic material.
  • the piston is made by LDPE (Low Density Polyethylene) , HDPE (High Density Polyethylene) , TPE (Thermo Plastic Elastomer material) or rubber.
  • the piston 104 is hollow that matches the profile of the head portion of the button.
  • the piston is a hollow sleeve and the inner diameter of piston is slightly smaller than the outer diameter of the cylindrical section of the head portion, i.e, the largest diameter of the head portion.
  • the piston is provided around the head portion by elastic deformation. After installing, the piston is fixedly and closely jointed with the head portion by an elastic force. In other embodiments, the piston can be fixedly and closely jointed with the head portion by any other manner. And a seal is formed between the piston and the head portion.
  • Fig. 6 shows a button with a flange according to the invention.
  • the flange 105 has a larger diameter than the diameter of the graduation portion.
  • a spring 12 is provided round the rod portion.
  • the spring is preferably a conical spring.
  • the spring 12 has a moving part 120 and a non-moving part 121. And the spring’s stroke is limited within a limited height (A) , as shown in Fig. 7.
  • the moving part 120 of the spring is fixed at the top of the rod portion of the button and is moved with the button.
  • the non-moving part is limited and stopped at a stopper of a pipette (or a ruler on the button) .
  • the pipette 13 is shown in Fig. 8.
  • the pipette has a connection part for connecting with the button and a tube part and the tube part has a plurality of sections.
  • the upper section 130 of the tube part of the pipette 12 may be cylindrical with a first diameter.
  • the middle section 131 of the tube part of the pipette may be cylindrical with a second diameter. The second diameter is smaller than the first diameter.
  • the transition 133 may be truncated conical, or a step.
  • the lower section 132 of the tube part of the pipette 12 has a gradually decreasing outer diameter. A mouth for drawing and expelling fluid is on the lower section.
  • the internal diameter of the middle section of the pipette is smaller than the spring diameter, so that the spring is seat on a step inside the transition.
  • Fig. 9 shows the button and the pipette which are connected with each other by, for example, snap-fit connection.
  • the connection can be achieved by other manners, such as screw connection and interference fit.
  • the upper section of the pipette has a larger inner diameter than the diameter of the spring, so that the pipette can house the rod portion of the button with the spring.
  • the middle section of the pipette has a smaller inner diameter than the inner diameter of the upper section of the pipette and there is the transition between the upper section and the middle section.
  • the transition can be the stopper for limiting the spring in which the stopper contacts the non-moving part of the spring, as shown in Fig. 7. That is, the non-moving part of the spring will abut against the stopper.
  • Figs. 10 and 11 respectively show the assembly and disassembly conditions of the button and the container.
  • the button can be connected with the container by, for example, screw connection.
  • the button can be connected with the container by any other manner for connection.
  • the button can be pressed and released by the user for drawing and expelling fluid.
  • the moving portion of the spring is moved in a direction of pressing, for example downward. In this situation, the spring is compressed.
  • the restoring force resulted from the compression of the spring restores the spring to its original position.
  • the fluid ⁇ material ⁇ substance in the container will be drawn into the pipette.
  • the user can take different amounts by different strokes. That is, every stroke is controllable.
  • the pipette is connected with the button. As shown in Fig. 8, the pipette has the connection part and the tube part.
  • the connection part has an upper part having an opening.
  • the rod portion and the piston, together with the spring are inserted into the pipette from the opening of the upper part.
  • the rod portion is received in the interior of the connection part and a part of the tube part.
  • Figs. 13 and 14 show a cap to be connected with the button and the pipette.
  • the cap may have an inner wall with internal thread that may match an external thread of the neck portion of the container, so that the cap can be screwed to the container.
  • the cap has a smooth outer wall and a rim extended from the outer wall. That is, the rim has a larger diameter than the outer wall.
  • Such structure can help the user easily hold the cap to inject a dosage, as shown in Figs. 15 and 16.
  • the user can hold the cap his hand, for example, clamping the cap at the rim with his index finger and middle finger in which the index finger and middle finger abut against the rim of the cap. Then, the user can push the press portion of the button with his thumb, as shown in Fig. 13.
  • Fig. 14 shows another posture: the user clamps the cap with his middle finger and thumb and pushes the press portion of the button with his index finger.
  • the user pushes the press portion of the button at a stroke.
  • the button with the piston moves downward and discharge a part of air from the pipette.
  • the user releases the button and the button is forced by the spring back to its original position, so that a vacuum is formed within the pipette which draws some fluid from the container into the pipette.
  • the button, together with the pipette and the cap can be disassembled with the container, for example, by unscrewing the cap from the container.
  • the user can press the press portion of the button again so as to expel the fluid received in the pipette.
  • Figs. 17 and 18 show a wiper (plug) is provided between the pipette and the container.
  • the wiper is provided within the neck portion of the container and fixed with the container by for example snap fit or other manners for connection. The wiper will be stay within the container even after unscrewing the cap from the container.
  • the wiper is used for sealing the contents in the container and for positioning and guiding the button.
  • the wiper has internal ribs and external ribs.
  • the external ribs are used for abutting against the internal wall of the neck portion of the container for the stable connection between the wiper and the container.
  • the internal ribs are used for abutting against the outer surface of the upper section of the pipette for the stable connection between the wiper and the pipette.
  • the dropper of the present invention has dosage control function by pressing stroke.
  • Figs. 19 to 21 show 4 strokes A, B, C and D.
  • the present invention can have any other number of strokes.
  • the user can choose the amount of fluid to be applied by controlling the pressing height. The height will determine how much of fluid can be taken.
  • four graduations are provided. In other embodiments, other number of graduations can be provided.
  • the 4 graduations represent 4 quantities, such as a first graduation (0.2 ml) , a second graduation (0.3 ml) , a third graduation (0.4 ml) and a fourth graduation (0.5 ml) .
  • the graduations for example the ruler on the button
  • the graduations can be aligned with any other object of reference.
  • the stroke A is about 6 mm and a fluid of 0.2 ml will be taken.
  • the stroke B is about 9 mm and a fluid of 0.3 ml will be taken.
  • the stroke C is about 12 mm and a fluid of 0.4 ml will be taken.
  • the stroke D is about 15 mm and a fluid of 0.5 ml will be taken.
  • a dosage click stopper can be provided to indicate the feeling or click sound to dosage.
  • a plurality of embossing (A) are provided in each graduation.
  • a graduation is in a form of groove, and four grooves are apart from each other.
  • 3 embossing (A) are provided which are apart from each by about 120 degrees along the circle of each groove. In other embodiments, less than 3 or more than 3 embossing may be used, and they can be evenly or unevenly apart from each other.
  • the embossing of each groove can be press-fitted with the internal surface of the opening of the cap, so that the user can feel that the groove is aligned with the top of the cap.
  • 3 embossing (B) may be provided on the internal surface of the opening at the top of the cap.
  • 3 embossing (B) are provided which are apart from each by about 120 degrees along the circle of the internal surface of the opening of the cap. In other embodiments, less than 3 or more than 3 embossing may be used, and they can be evenly or unevenly apart from each other.
  • the embossing of the cap can be press-fitted with either graduation/groove, so that the user can feel that the graduation/groove is aligned with the top of the cap.
  • Fig. 24 shows an explosive view of an embodiment of an exemplary dosage control dropper according to the invention.
  • the dosage control dropper includes a button, a piston, a spring, a cap, a wiper, a pipette and a bottle (container) .
  • the rod of the button is surrounded by the spring (preferably conical spring) .
  • the button has the press portion on one end and the head portion at the other end.
  • the piston preferably LDPE piston
  • the piston preferably LDPE piston
  • the pipette (preferably PCTA pipette) is provided outside the button.
  • the button together with the pipette is inserted into the bottle (preferably glass bottle) .
  • the wiper is provided between the bottle and the pipette housing the button.
  • the cap (preferably straw cap) is screwed onto the bottle for housing the parts therein and for sealing the fluid in the bottle.
  • the button, the pipette and the button are fixed together in use.

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Closures For Containers (AREA)

Abstract

Un compte-gouttes à régulation de dosage (1) comprend : un récipient (11) présentant une partie corps (110) et une partie col (111); un bouton (10) présentant une partie de pression (100), une partie de graduation (101), une partie tige (102) et une partie tête (103); une pipette (13) présentant une pluralité de sections (130, 131, 132) et la pipette (13) étant raccordée au bouton (10); un piston (104) disposé sur la partie tête (103) du bouton (10); un ressort (12) disposé autour de la partie tige (102) et présentant une pluralité de stokes; la partie de graduation (101) du bouton (10) présentant des graduations (1010, 1011, 1012, 1013) sur sa paroi externe, et lorsque la partie de pression (100) du bouton (10) est pressée vers différentes positions dans lesquelles différentes graduations (1010, 1011, 1012, 1013) sont alignées avec la partie supérieure du capuchon, une quantité prédéterminée différente de fluide à l'intérieur du récipient (11) peut être prise.
PCT/CN2020/112662 2020-08-31 2020-08-31 Compte-gouttes à régulation de dosage Ceased WO2022041234A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/CN2020/112662 WO2022041234A1 (fr) 2020-08-31 2020-08-31 Compte-gouttes à régulation de dosage
CN202080103566.0A CN116096500B (zh) 2020-08-31 2020-08-31 剂量控制滴瓶
FR2009778A FR3113656B1 (fr) 2020-08-31 2020-09-25 Compte-gouttes de commande de dosage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/112662 WO2022041234A1 (fr) 2020-08-31 2020-08-31 Compte-gouttes à régulation de dosage

Publications (1)

Publication Number Publication Date
WO2022041234A1 true WO2022041234A1 (fr) 2022-03-03

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Application Number Title Priority Date Filing Date
PCT/CN2020/112662 Ceased WO2022041234A1 (fr) 2020-08-31 2020-08-31 Compte-gouttes à régulation de dosage

Country Status (3)

Country Link
CN (1) CN116096500B (fr)
FR (1) FR3113656B1 (fr)
WO (1) WO2022041234A1 (fr)

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KR200484156Y1 (ko) * 2016-04-14 2017-08-07 이종남 정량취출 기능을 갖는 스포이드형 화장품용기
EP3479727A1 (fr) * 2017-11-07 2019-05-08 Lumson S.p.A. Dispositif d'essuie-glace
CN109833923A (zh) * 2017-11-29 2019-06-04 卢姆森股份公司 滴管

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CN116096500B (zh) 2024-12-03
FR3113656A1 (fr) 2022-03-04
FR3113656B1 (fr) 2022-09-02

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