EP4381991B1 - Rückflussbegrenzende kosmetische verpackungsflasche - Google Patents

Rückflussbegrenzende kosmetische verpackungsflasche Download PDF

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Publication number
EP4381991B1
EP4381991B1 EP23150003.4A EP23150003A EP4381991B1 EP 4381991 B1 EP4381991 B1 EP 4381991B1 EP 23150003 A EP23150003 A EP 23150003A EP 4381991 B1 EP4381991 B1 EP 4381991B1
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EP
European Patent Office
Prior art keywords
liquid discharge
flow restriction
packaging bottle
return valve
discharge head
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.)
Active
Application number
EP23150003.4A
Other languages
English (en)
French (fr)
Other versions
EP4381991A1 (de
EP4381991C0 (de
Inventor
Guoxiang Cai
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.)
Guangzhou Candear Packing Products Co Ltd
Original Assignee
Guangzhou Candear Packing Products Co Ltd
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 Guangzhou Candear Packing Products Co Ltd filed Critical Guangzhou Candear Packing Products Co Ltd
Publication of EP4381991A1 publication Critical patent/EP4381991A1/de
Application granted granted Critical
Publication of EP4381991B1 publication Critical patent/EP4381991B1/de
Publication of EP4381991C0 publication Critical patent/EP4381991C0/de
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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
    • 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
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/44—Closures
    • B65D35/46—Closures with valves
    • 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
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2031—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure

Definitions

  • the invention relates to the field of cosmetic packaging bottles, and in particular, to a cosmetic packaging bottle restricting backflow.
  • the bottle seat outlet of the soft tube packaging bottle is usually equipped with a massage head, and accessories such as heating and vibration are placed in the bottle seat to assist in massage absorption. Therefore, the bottle seat outlet has a long passage, and lotion from the massage head tends to flow back into the passage when used, and lotions may be sucked back into the bottle by the soft tube packaging bottle, resulting in contamination of the cosmetic lotion inside the bottle by microorganisms or bacteria.
  • a dispensing closure for a container of a fluent substance includes a body having an inlet portion defining an inlet flow passage for receiving the fluent substance from the container and an elongate outlet portion defining an outlet flow passage for discharging the fluent substance.
  • the closure further has a valve located within the body, across the inlet flow passage and spaced axially inwardly of outlet flow passage to define a chamber.
  • the valve has a flexible, resilient valve head portion that has confronting, openable portions movable from a closed configuration to an open configuration when the valve head portion is subjected to a pressure differential acting across the valve head portion.
  • the invention provides a cosmetic packaging bottle restricting backflow, with a one-way flow restriction function, so that the contents of the soft tube packaging bottle are squeezed in one direction and cannot flow back, preventing the contents from flowing back and causing contamination of the contents of the soft tube packaging bottle.
  • the technical solution adopted by the invention to solve the technical problems is: a cosmetic packaging bottle restricting backflow, according to claim 1.
  • the side groove channel is a spiral structure.
  • the spiral flow restriction channel makes contents enter from the side and exit from the upper part, which can limit the outflow rate of contents, to accurately use the squeeze volume, to prevent contents from splashing and spilling due to excessive force when squeezing, to avoid waste.
  • the upper groove channel extends from the middle to the edge and is connected to the side groove channel.
  • the upper part of the liquid discharge head is a liquid discharge column, and the inner cavity of the liquid discharge column forms the aforementioned liquid discharge cavity, and the liquid discharge cavity is connected to the outside of the liquid discharge column.
  • it also includes an outer cover, which is screwed to the threaded holder, and a raised plunger is placed in a middle part of the outer cover, and the plunger closes the upper end of the liquid discharge cavity after the outer cover is installed.
  • the beneficial effect of the invention is: a cosmetic packaging bottle restricting backflow, with a one-way flow restriction function, so that the contents of the soft tube packaging bottle can be squeezed in one direction and cannot flow back, to prevent the contents of the backflow of the soft tube packaging bottle from causing contamination of the contents.
  • the non-return valve sheet has a one-way valve role, the middle is provided with a cross-shaped cutout. The non-return valve sheet is normally closed. When the contents are squeezed out, the non-return valve sheet squeezed by the contents will open upward, the contents are discharged. After the stopping of squeezing, the soft tube packaging bottle has a tendency to reset and will suck back the contents, the contents tend to flow back. At this time, the non-return valve sheet is sucked downward against the upper surface of the flow restriction seat to keep it closed and prevent contents from flowing back.
  • the cosmetic packaging bottle restricting backflow consists of a soft tube packaging bottle 1 and a liquid discharge head 2, and a non-return valve sheet 6 is installed in the liquid discharge head 2.
  • the non-return valve sheet 6 has a one-way flow restriction function, so that the contents of the soft tube packaging bottle 1 are squeezed out in one direction and cannot flow back, preventing the contents from flowing back and causing contamination of the contents of the soft tube packaging bottle 1.
  • At least one section of the flow restriction channel of the flow restriction seat 4 is a non-linear channel.
  • the process of the contents passing through the flow restriction channel needs to pass through a number of bends, which can slow down the speed of its outflow.
  • the bottom of the flow restriction seat 4 is a concave cavity structure
  • the flow restriction channel includes a through-port 41 placed in the side wall of the flow restriction seat 4, a side groove channel 42 placed between the outer side wall of the flow restriction seat 4 and the liquid discharge head, and an upper groove channel 43 placed in the upper surface of the flow restriction seat 4; the through-port 41, the side groove channel 42, and the upper groove channel 43 are connected to each other in turn.
  • the side groove channel 42 is a spiral structure.
  • the side groove channel 42 is a groove structure placed on the side wall of the flow restriction seat 4, which is combined with the inner wall surface of the concave cavity of the liquid discharge head 2 to form a complete threaded pipe type channel.
  • the upper groove channel 43 extends from the middle to the edge and is connected to the side groove channel 42.
  • the width of the upper groove channel 43 in a groove structure, is much smaller than the outer diameter of the liquid discharge cavity 21.
  • the width of the upper groove channel 43 is not wide enough to allow the cross-shaped cutout 61 of the non-return valve sheet 6 to open downward, and when the non-return valve sheet 6 is under suction, the cross-shaped cutout 61 presses downward against the upper surface of the flow restriction seat 4 in a closed state.
  • the non-return valve sheet 6 is made of silicone with a hardness of 70 degrees and good flexibility, and the cross-shaped cutout 61 opens and closes reliably.
  • the upper part of the liquid discharge head 2 is the liquid discharge column 5, and the inner cavity of the liquid discharge column 5 forms the aforementioned liquid discharge cavity 21, and the liquid discharge cavity 21 is connected to the outside of the liquid discharge column 5.
  • the mouth of the soft tube packaging bottle 1 is provided with a threaded holder 11, the bottom surface of the threaded holder 11 is provided with a limit platform 12, and a middle part of the limit platform 12 is provided with an opening 121 corresponding to the open concave cavity structure of the bottom surface of the flow restriction seat 4, and the opening 121 is connected to the flow restriction seat 4 and the soft tube packaging bottle.
  • the flow restriction seat 4 and the liquid discharge head 2 are placed inside the threaded holder 11, and the liquid discharge head 2 is placed on the flow restriction seat 4 and then fitted into the threaded holder 11, and the outer wall of the liquid discharge head 2 is tightly pressed against the inner wall of the threaded holder 11.
  • a convex ring 22 and a slot 12 are provided between the outer wall of the liquid discharge head 2 and the inner wall of the threaded holder 11.
  • FIG. 1 There is an outer cover 3 attached to the outside of the liquid discharge head 2, and the outer cover 3 is screwed to the threaded holder 11. A middle part of the outer cover 3 is provided with a raised plunger 31, and after the outer cover 3 is installed, the plunger 31 closes the outlet port at the upper end of the liquid discharge column 5.
  • the cross-shaped cutout 61 is in the bonding state, gas on both sides is sealed.
  • the pressure in the content squeezing process flushes out the cross-shaped cutout 61, ending its bonding state.
  • the contents When the contents are filled, the contents are filled from the bottom of the soft tube packaging bottle 1.
  • the time required for the contents to enter the through-hole 41, the side groove channel 42, and then the upper groove channel 43 is greater than the time required for the entire cosmetic can to be completed, so the non-return valve sheet not 6 is opened, and its closed state can maximize the effective isolation of the air on the other side of the non-return valve sheet 6 to avoid direct contact between the cosmetic contents and the air and prevent microbial or bacterial contamination. It prevents microbial or bacterial contamination and effectively protects the quality of cosmetics.
  • the groove channel 42 is a semi-circular groove, and the diameter of the groove channel 42 and the through-hole 41 is between 1.3 and 1.34 mm, forming a flow channel with a narrow diameter and a certain resistance.
  • the threaded pipe-type channel formed between the groove channel 42 and the liquid discharge head 2 has more than two coils, with a total length of 50.4 mm.
  • the length of the upper groove channel 43 is 5.09 mm
  • the length of the through-hole 41 is 2.07 mm, i.e., the total length of the flow restriction channel is 57.56 mm
  • the length of the threaded pipe channel is similar to the length of the soft tube packaging bottle 1, the contents are filled from the bottom of the soft tube packaging bottle 1, filling the whole soft tube packaging bottle 1 first, and then flowing into the threaded pipe channel.
  • the time for the contents to enter the flow restriction channel and reach the non-return valve sheet 6 is much longer than the time to fill the whole soft tube packaging bottle 1, with enough time to adjust or stop filling, so the non-return valve sheet 6 is not open in the filling process, isolating the air on the other side, avoiding direct contact between the cosmetic contents and air, preventing microbial or bacterial contamination and effectively protecting the quality of cosmetics.
  • the side groove channel 42 is placed between the outer side wall of the flow restriction seat 4 and the liquid discharge head, and the upper groove channel 43 is placed on the upper surface of the flow restriction seat 4; the through-port 41, the side groove channel 42, and the upper groove channel 43 are connected to each other in turn.
  • the non-return valve sheet 6 is sucked downward against the upper surface of the flow restriction seat 4 to keep it closed and prevent the contents from flowing back.
  • the contents enter from the side and exit from the top, which can limit the outflow rate of the contents, to squeeze accurately and prevent the contents from splashing and spilling due to excessive force during squeezing, to avoid waste.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (7)

  1. Eine Kosmetikverpackungsflasche (1), die einen Rückfluss einschränkt, umfassend eine Verpackungsflasche mit weichem Schlauch (1) und einen Flüssigkeitsauslasskopf (2) und außerdem umfassend ein Rückschlagventilblatt (6), das innerhalb des Flüssigkeitsauslasskopf (2) platziert ist, wobei das Rückschlagventilblatt (6) eine Einweg-Flussbeschränkungsfunktion hat, so dass der Inhalt der Verpackungsflasche mit weichem Schlauch (1) in eine Richtung herausgedrückt wird und nicht zurückfließen kann, wobei ein mittlerer Teil des Rückschlagventilblatts (6) mit einem kreuzförmigen Ausschnitt (61) versehen ist, wobei das Rückschlagventilblatt (6) im Normalzustand geschlossen ist, wobei das Rückschlagventilblatt (6) durch den Inhalt zusammengedrückt wird, um sich nach oben zu öffnen, um den Inhalt auszulassen, wobei die Öffnung der Verpackungsflasche mit weichem Schlauch (1) mit einem Durchflussbeschränkungssitz (4) versehen ist, wobei das Rückschlagventilblatt (6) an einem oberen Teil des Durchflussbeschränkungssitzes (4) angebracht ist und wobei der Durchflussbeschränkungssitz (4) mit einem Durchflussbeschränkungskanal versehen ist; der Flüssigkeitsauslasskopf (2) weist an der Unterseite eine konkave Aushöhlung auf, der Flüssigkeitsauslasskopf (2) ist auf dem Durchflussbeschränkungssitz (4) aufgesetzt und gegen den Umfang des Rückschlagventilblatts (6) gedrückt, ein Mittelteil des Flüssigkeitsauslasskopf (2) ist mit einer Flüssigkeitsauslassaushöhlung (21) versehen, und der kreuzförmige Ausschnitt (61) des Rückschlagventilblatts (6) kann in Richtung der Flüssigkeitsauslassaushöhlung (21) geöffnet werden, dadurch gekennzeichnet, dass die Unterseite des Durchflussbeschränkungssitzes (4) eine konkave Aushöhlungsstruktur aufweist, der Durchflussbeschränkungskanal eine Durchgangsöffnung (41) umfasst, die an der Seitenwand des Durchflussbeschränkungssitzes (4) angeordnet ist, einen seitlichen Nutkanal (42), der zwischen einer äußeren Seitenwand des Durchflussbeschränkungssitzes (4) und dem Flüssigkeitsauslasskopf (2) angeordnet ist, und einen oberen Nutkanal (43), der in einer oberen Oberfläche des Durchflussbeschränkungssitzes (4) angeordnet ist; die Durchgangsöffnung (41), der seitliche Nutkanal (42) und der obere Nutkanal (43) sind wiederum miteinander verbunden.
  2. Die rückflussbegrenzende Kosmetikverpackungsflasche (1) gemäß Anspruch 1, wobei: der seitliche Rillenkanal (42) eine Spiralstruktur aufweist.
  3. Die rückflussbegrenzende Kosmetikverpackungsflasche (1) gemäß Anspruch 2, wobei: der obere Rillenkanal (43) von der Mitte bis zum Rand reicht und mit dem seitlichen Rillenkanal (42) verbunden ist.
  4. Die rückflussbegrenzende Kosmetikverpackungsflasche (1) gemäß Anspruch 3, wobei: der obere Teil des Flüssigkeitsausstoßkopfes (2) eine Flüssigkeitsausstoßsäule (5) ist, der innere Hohlraum der Flüssigkeitsausstoßsäule (5) den Flüssigkeitsausstoßhohlraum (21) bildet und der Flüssigkeitsausstoßhohlraum (21) mit der Außenseite der Flüssigkeitsausstoßsäule (5) verbunden ist.
  5. Die Kosmetikverpackungsflasche (1) mit Rückflussbeschränkung gemäß Anspruch 4, wobei: die Öffnung der Verpackungsflasche (1) mit weichem Schlauch mit einem Gewindehalter (11) versehen ist, die Bodenfläche des Gewindehalters (11) mit einer Begrenzungsplattform (12) versehen ist, ein mittlerer Teil der Begrenzungsplattform (12) mit einer Öffnung (121) versehen ist, die der offenen konkaven Hohlraumstruktur der Bodenfläche des Durchflussbeschränkungssitzes (4) entspricht, der Durchflussbeschränkungssitz (4) und der Flüssigkeitsauslasskopf (2) innerhalb des Gewindehalters (11) angeordnet sind und die Außenwand des Flüssigkeitsauslasskopf (2) nahe an der Innenwand des Gewindehalters (11) liegt.
  6. Die Kosmetikverpackungsflasche (1) mit Rückflussbeschränkung gemäß Anspruch 5, wobei:eine Außenwand des Flüssigkeitsauslasskopf (2) und die Innenwand des Gewindehalters (11) jeweils mit einem Schlitz (12) und einem konvexen Ring (22) versehen sind und der Schlitz (12) und der konvexe Ring (22) einander entsprechen.
  7. Die Kosmetikverpackungsflasche (1) mit Rückflussbeschränkung gemäß Anspruch 6, wobei:und außerdem eine Außenabdeckung (3) umfasst, die Außenabdeckung (3) auf den Gewindehalter (11) geschraubt ist und ein erhabener Kolben (31) in einem mittleren Teil der Außenabdeckung (3) platziert ist und der Kolben (31) das obere Ende des Flüssigkeitsauslasshohlraums (21) verschließt, nachdem die Außenabdeckung (3) installiert ist.
EP23150003.4A 2022-12-06 2023-01-02 Rückflussbegrenzende kosmetische verpackungsflasche Active EP4381991B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223284958 2022-12-06

Publications (3)

Publication Number Publication Date
EP4381991A1 EP4381991A1 (de) 2024-06-12
EP4381991B1 true EP4381991B1 (de) 2025-01-29
EP4381991C0 EP4381991C0 (de) 2025-01-29

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ID=84785151

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Application Number Title Priority Date Filing Date
EP23150003.4A Active EP4381991B1 (de) 2022-12-06 2023-01-02 Rückflussbegrenzende kosmetische verpackungsflasche

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Country Link
US (1) US20240180315A1 (de)
EP (1) EP4381991B1 (de)
ES (1) ES3023853T3 (de)
HU (1) HUE070587T2 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5305786A (en) * 1993-01-14 1994-04-26 Reseal International Limited Partnership One-way valve assembly
US5950878A (en) * 1997-08-04 1999-09-14 Steris Corporation Dispensing tube valve assembly
US6095382A (en) * 1998-09-21 2000-08-01 Aptargroup, Inc. Container and closure with dispensing valve and separate releasable internal shipping seal
US8281810B2 (en) * 2008-04-30 2012-10-09 The Viking Corporation Dry valve for sprinkler system
GB2554547B (en) * 2015-05-18 2021-04-28 Aptargroup Inc Dispensing closure
US11219298B2 (en) * 2017-11-10 2022-01-11 Aqua Fix USA, Inc. Squeezable hybrid water bottle with integrated filter
TW202005623A (zh) * 2018-04-06 2020-02-01 美商蒂克利爾公司 用於輸送治療劑之系統及方法
CN212830185U (zh) * 2019-09-26 2021-03-30 石家庄香悦文化传播有限公司 一种化妆品用乳液试用瓶

Also Published As

Publication number Publication date
US20240180315A1 (en) 2024-06-06
EP4381991A1 (de) 2024-06-12
ES3023853T3 (en) 2025-06-03
HUE070587T2 (hu) 2025-06-28
EP4381991C0 (de) 2025-01-29

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