CN109846181B - Annular component, method for producing same, container and package comprising same - Google Patents
Annular component, method for producing same, container and package comprising same Download PDFInfo
- Publication number
- CN109846181B CN109846181B CN201711245931.8A CN201711245931A CN109846181B CN 109846181 B CN109846181 B CN 109846181B CN 201711245931 A CN201711245931 A CN 201711245931A CN 109846181 B CN109846181 B CN 109846181B
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- ring
- container
- annular
- stop
- chassis
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- 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
- A45D33/00—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances
- A45D33/24—Containers with two lids on one side; Containers with several covers
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- 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
- A45D33/00—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances
- A45D33/006—Vanity boxes or cases, compacts, i.e. containing a powder receptacle and a puff or applicator
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- 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
- A45D2200/00—Details not otherwise provided for in A45D
- A45D2200/05—Details of containers
- A45D2200/051—Airtight containers
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- Closures For Containers (AREA)
Abstract
The invention relates to an annular component (4) for a container, comprising a stop ring (110) and a sealing ring (120), wherein the stop ring (110) comprises a ring body (112) and a stop (111), the stop (111) extending from the ring body (112) towards the center of the annular component; and the stop ring (110) and the sealing ring (120) are formed as one piece by over-molding. The invention also relates to a cosmetic package comprising the container, and to a method for producing an annular component.
Description
Technical Field
The present invention relates to an annular component for a container. In particular, the invention also relates to a cosmetic package comprising the container, and to a method for producing an annular component.
Background
Foundation solutions are widely used in the cosmetic field.
In order for a user to apply the foundation liquid uniformly and consistently, a sponge is used to absorb and store the foundation liquid. In effect, the sponge is saturated with foundation liquid and is placed in a chassis that is located within the base of the container. The user then gently touches and taps the sponge with the applicator to collect the foundation solution, which is then applied to the skin.
An annular stop ring is provided in the chassis which prevents the sponge from falling out of the chassis when the container is opened.
Furthermore, in order to avoid drying out of the foundation, it is desirable to provide a sealing ring between the cover of the chassis and the chassis itself.
However, the provision of a single annular stop ring and the provision of a single annular seal ring both require separate molds and respective assembly processes, which unnecessarily increase production costs. Furthermore, this increases the risk of misplacement or even dropping of the annular stop ring or annular seal ring when separate molds are used successively.
Also, integrally forming the annular stop ring and/or annular seal ring with the cover or chassis would still not reduce production costs, or would even conversely increase costs, as the mold for the cover and/or for the chassis would be relatively large, complex and would have to be redesigned.
Disclosure of Invention
It is an object of the present invention to provide an annular component which solves at least the above mentioned problems. The annular component is for example a ring molded by over-molding. The overmolding (bi-injection molding) is also known as bi-injection molding or double injection molding or the like.
The overmolded ring according to the invention has two functions at the same time: as an annular stop ring (e.g. made of PP) to prevent the sponge from falling out of the chassis, and as an annular sealing ring (e.g. made of TPE) to form a seal between the cap and the chassis and thereby prevent the foundation liquid from drying.
According to one aspect of the present invention, an annular component for a container is provided, comprising a stopper ring and a sealing ring,
wherein the stop ring comprises a ring body and a stop extending from the ring body towards the center of the annular member; and is also provided with
The stop ring and the sealing ring are formed as one piece by over-molding.
Preferably, the sealing ring may have a first side and a second side, the first side and the second side being opposite to each other and being adapted to be respectively abutted by the lid and the chassis of the container, such that the sealing ring provides an airtight seal between the lid and the chassis.
Preferably, the hardness of the stopper ring may be higher than that of the seal ring.
Preferably, the stop ring may be made of polypropylene (PP), for example, and the sealing ring may be made of a thermoplastic elastomer (TPE), for example.
Preferably, the stop of the stop ring may be in the form of a flat ring in a horizontal plane.
Preferably, the ring body of the stop ring may comprise a first portion and a second portion; the first portion may be in the shape of a cylinder; the stopper may extend from one end of the cylinder toward the center of the annular member; and the second portion may be connected to the seal ring.
Preferably, the second portion of the ring body may comprise a transition section and a connecting section; and is also provided with
The ring body and the sealing ring may together define an annular groove, wherein an inner peripheral wall of the annular groove is formed by the first portion of the ring body, an outer peripheral wall of the annular groove is formed by a connecting section of the sealing ring and the second portion of the ring body, and a bottom wall of the annular groove connecting the inner peripheral wall and the outer peripheral wall is formed by a transition section of the second portion of the ring body.
Preferably, the first portion of the ring body of the stop ring may be adapted to be secured to a neck of a chassis of the container.
Preferably, the first portion of the ring body of the stop ring may be provided with an inner protrusion and the neck of the bottom disc of the container may be provided with an outer recess having a shape complementary to the inner protrusion of the first portion.
Preferably, the interface between the sealing ring and the stop ring may comprise a step.
According to another aspect of the invention, there is provided a container comprising a lid, a base plate and an annular member as described above, wherein
The cap is provided with an engagement cylinder having an outer diameter larger than an inner diameter of the sealing ring,
the chassis is provided with an annular recess which receives the annular member and has an inner wall and an outer wall, the first portion of the ring body of the stopper ring of the annular member being fixed to the inner wall of the annular recess, and
the seal ring of the annular member is pressed against the outer wall of the annular recess of the chassis by the engagement cylinder of the cover in a state where the chassis is closed by the cover.
Preferably, the chassis may be used to hold an absorbent member that may absorb and store volatile liquids, and the stop portion of the stop ring of the annular member may extend inwardly beyond the opening of the chassis so as to prevent the absorbent member from falling out of the chassis.
Preferably, the absorbent member may be made of sponge or fabric.
Preferably, the absorbent member may be used to absorb and store the foundation liquid.
According to a further aspect of the present invention, a cosmetic package is presented comprising a shell assembly, an applicator and a container as described above, wherein the container is placed in the shell assembly and the applicator is placed on a lid of the container.
According to a further aspect of the present invention, a method for producing the annular component described above is presented, wherein the method comprises:
providing a mold assembly comprising a first mold, a second mold, and a third mold;
assembling the first mold and the second mold to form a first cavity;
injecting a first material into the first chamber to form a stop ring of the annular component;
replacing the second mold with the third mold to form a second chamber;
injecting a second material into the second chamber to form a seal ring of the annular component, wherein the seal ring is integral with the stop ring; and
releasing the annular component from the first and third molds in one piece.
According to the invention, an annular part for a container is produced at a low cost, which is capable of simultaneously preventing, for example, a sponge or fabric from falling out of the chassis, and also acting as a seal between the cover and the chassis to prevent the foundation liquid from drying out.
Drawings
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings, in which:
fig. 1 shows a cosmetic package 10 according to the present invention.
Fig. 2 shows the cosmetic package 10 in an open state.
Fig. 3 shows a cosmetic package 10 in an exploded view.
Fig. 4 shows the lid 3, the annular part 4 and the chassis 5 of the inner container of the cosmetic package 10 in a sectional view in an unassembled state.
Fig. 5 shows an enlarged partial view of the annular part 4 in fig. 4.
Fig. 6 shows a partially enlarged view of the inner container of the cosmetic package 10 in an assembled state.
Detailed Description
The invention proposes a ring-shaped component which can be used for a container which in turn can be used for cosmetic packaging. Figures 1-3 show a preferred embodiment of a cosmetic package according to the present invention.
Fig. 1 shows a cosmetic package 10 in a closed state. Fig. 2 shows the cosmetic package 10 in an open state. Fig. 3 shows a cosmetic package 10 in the form of an exploded view. As shown, the cosmetic package 10 comprises an outer cover 1, an optional mirror 2, a lid 3 of the inner container, an annular part 4 of the inner container, a bottom disc 5 of the inner container, an inner shell 6 of the base, an outer shell 7 of the base, keys 8 and a gasket 9.
Referring to fig. 4, a cross-sectional view of the inner container of cosmetic package 10 is shown in exploded view.
The lid 3 of the inner container comprises a flat body 31 under which an engagement cylinder 311 is suspended, forming a receiving space 312 above it. The receiving space 312 may be used to receive an applicator (not shown) such as a puff or cosmetic cotton.
The chassis 5 of the inner container includes a chassis body 51 having a cylindrical portion 511 and a bottom portion 513, an outer sleeve 53 concentric with the cylindrical portion 511, and a connecting portion 55 connecting the cylindrical portion 511 and the outer sleeve 53. The chassis body 51 has an accommodation space 508 formed therein. The receiving space 508 may be used to receive an absorbent member (not shown), such as a sponge or fabric. The absorbent member is used to absorb and store a volatile liquid such as foundation liquid.
Preferably, the cover 3 may further comprise a first engagement portion 39 and the chassis 5 may further comprise a second engagement portion 59. The first engagement portion 39 and the second engagement portion 59 may each be provided with complementary shapes to facilitate interlocking engagement therebetween.
Preferably, the cover 3 may further comprise a first pivot 37 and the chassis 5 may further comprise a second pivot 57. The first pivot 37 and the second pivot 57 may engage each other to enable the cover 3 to pivot relative to the chassis 5 to open or close. For example, the first pivoting portion 37 of the cover 3 may be provided with a pin, while the second pivoting portion 57 of the chassis 5 may be provided with a hole for passing through by the pin.
The positions of the first engaging portion 39 and the second engaging portion 59 may be set opposite to those of the first pivoting portion 37 and the second pivoting portion 57.
Fig. 5 shows a partial enlargement of the area a of the annular part 4 in fig. 4.
The annular member 4 includes a stop ring 110 and a seal ring 120, wherein the stop ring 110 includes a ring body 112 and a stop 111. The stop 111 extends from the ring body 112 towards the centre of the annular member 4 and inwardly beyond the opening of the chassis 5. Preferably, the diameter of the center hole of the stopper 111 is smaller than the diameter of the absorber that is accommodated in the accommodation space 508 of the chassis body 51, thereby being able to block the absorber from falling out of the accommodation space 508. The stop 111 may for example be in the form of a flat ring in a horizontal plane.
Fig. 6 shows a partially enlarged view of the inner container of the cosmetic package 10 in an assembled state. The part shown in fig. 6 corresponds to the part shown in fig. 5.
The ring body 112 of the stop ring 110 of the ring member 4 includes a first portion 1121 and a second portion 1122.
The first portion 1121 of the ring body 112 has the shape of a cylinder from one end of which the stop 111 extends, in particular from the upper end of which towards the centre of the annular member 4. The second portion 1122 of the ring body 112 is connected to the sealing ring 120 of the ring member 4. The second portion 1122 includes a transition section 1122a extending from the first portion 1121 and a connecting section 1122b connected to the sealing ring 120.
Referring to fig. 5 and 6, the ring body 112 and the seal ring 120 together define an annular groove 113. Annular groove 113 is generally U-shaped in cross section and includes an inner peripheral wall, an outer peripheral wall, and a bottom wall. The inner peripheral wall of annular groove 113 is formed by first portion 1121 of ring body 112 and the outer peripheral wall is formed by connecting segment 1122b of sealing ring 120 with second portion 1122 of ring body 112. And the bottom wall of annular groove 113 connecting the inner and outer peripheral walls is formed by transition 1122a of second portion 1122 of ring body 112. In this case, the annular groove 113 has a substantially U-shaped cross section, and the peripheral wall closer to the center of the annular member 4 is an inner peripheral wall, and the peripheral wall farther from the center of the annular member 4 is an outer peripheral wall.
Referring to fig. 6, a first portion 1121 of the collar body 112 is adapted to be secured to the neck of the chassis 5 of the inner container. The neck portion of the chassis 5 is formed by the upper portion of the cylindrical portion 511. Preferably, the first portion 1121 is provided with an inner convex portion 1121a and the neck of the chassis 5 is provided with an outer concave portion 511a. The outer concave portion 511a has a shape complementary to the inner convex portion 1121 a. However, it will be appreciated that it is alternatively possible that the first portion 1121 of the collar body 112 and the neck of the chassis 5 are provided with complementary recesses and protrusions, respectively.
According to the present embodiment, the stopper ring 110 and the seal ring 120 are formed as a single piece by overmolding, whereby the annular member 4 having both the stopper function and the sealing function is obtained at low cost. However, it will be appreciated that the seal ring 120 and the stop ring 110 may alternatively be connected by other means, such as by adhesive. Preferably, the interface between the sealing ring 120 and the stop ring 110 includes a step 170, as shown in FIG. 6. In this way, the sealing ring 120 and the stopper ring 110 can have a larger contact area, and thus the connection therebetween will be more firm.
Referring to fig. 6, the seal ring 120 has a first side 1201 and a second side 1202. The first side 1201 and the second side 1202 are opposite to each other and are adapted to be abutted by the lid 3 and the bottom plate 5 of the container, respectively, such that the sealing ring 120 provides an airtight seal between the lid 3 and the bottom plate 5. The distance between the first side 1201 and the second side 1202, i.e. the thickness of the sealing ring 120, may be slightly larger than the distance between the engagement cylinder 311 of the lid 3 and the outer sleeve 53 in the closed state, so that the sealing ring 120 will be compressively deformed when the lid 3 closes the chassis 5, providing a better airtight sealing.
Preferably, the hardness of the stopper ring 110 is higher than the hardness of the sealing ring 120. The higher hardness of the stop ring 110 makes it easier to block the absorbent member stored in the chassis 5, while the lower hardness of the sealing ring 120 provides a good seal between the sealing cover 3 and the chassis 5. The stop ring 110 may be made of polypropylene, for example, and the seal ring 120 may be made of a thermoplastic elastomer, for example.
The engaging cylinder 311 of the lid 3 of the container has an outer diameter larger than the inner diameter of the sealing ring 120. In this way, the gasket 120 is deformed by the compression of the engaging cylinder 311 when the cover 3 is closed, so as to perform a better sealing function.
The chassis 5 is provided with an annular recess 52 (see fig. 5 and 6) of substantially U-shaped cross section for receiving the annular member 4. The annular recess 52 has an inner wall and an outer wall, said first portion 1121 of the ring body 112 of the stopper ring 110 of said annular member 4 being fixed to the inner wall of said annular recess 52, and the sealing ring 120 of the annular member 4 being pressed against the outer wall of the annular recess 52 of said chassis 5 by the engaging cylinder 311 of the cover 3 in a state in which the chassis 5 is closed by the cover 3. In this case, the wall of the annular recess 52, which is located closer to the center of the annular member 4, is an inner wall, and the wall located farther from the center of the annular member 4 is an outer wall, in a substantially U-shaped cross section.
The annular member 4 may be manufactured by a method comprising:
providing a mold assembly comprising a first mold, a second mold, and a third mold;
assembling the first mold and the second mold to form a first cavity;
injecting a first material into the first chamber to form a stop ring 110 of the annular member 4;
replacing the second mold with the third mold to form a second chamber;
injecting a second material into the second chamber to form a seal ring 120 of the annular member 4, wherein the seal ring 120 is integral with the stopper ring 110; and
the annular part 4 is released from the first and third moulds in one piece.
According to the above-described embodiment, the seal ring 120 and the stopper ring 110 are integrally formed by injection molding or over-molding, however, it is understood that the seal ring 120 and the stopper ring 110 may be combined together by assembly.
The invention has been described above with reference to embodiments, but it should be noted that the above-described embodiments are illustrative rather than limiting. The individual technical features described in the embodiments described above can be combined and used arbitrarily in different embodiments without contradiction. And those skilled in the art will recognize that many changes may be made thereto without departing from the spirit and scope of the present invention, and that such changes are intended to be encompassed within the scope of the present invention.
Claims (15)
1. A container comprising a lid (3), a base plate (5) and an annular member (4), said annular member (4) comprising a stopper ring (110) and a sealing ring (120),
wherein the stop ring (110) comprises a ring body (112) and a stop (111), the stop (111) extending from the ring body (112) towards the centre of the annular part; and is also provided with
The stop ring (110) and the sealing ring (120) are formed as one piece by overmoulding,
wherein the cap (3) is provided with an engagement cylinder (311), the engagement cylinder (311) having an outer diameter larger than an inner diameter of the seal ring (120),
the chassis (5) is provided with an annular recess (52), the annular recess (52) receiving the annular member (4) and having an inner wall and an outer wall, a first portion (1121) of the ring body (112) of the stop ring (110) of the annular member (4) being fixed to the inner wall of the annular recess (52), and
in a state in which the chassis (5) is closed by the cover (3), the seal ring (120) of the annular member (4) is pressed against the outer wall of the annular recess (52) of the chassis (5) by the engagement cylinder (311) of the cover (3).
2. The container according to claim 1, wherein the sealing ring (120) has a first side (1201) and a second side (1202), the first side (1201) and the second side (1202) being opposite to each other and being adapted to be respectively abutted by the lid (3) and the bottom disc (5) of the container, such that the sealing ring (120) provides an airtight seal between the lid (3) and the bottom disc (5).
3. The container according to claim 1 or 2, wherein the stopper ring (110) has a higher hardness than the sealing ring (120).
4. Container according to claim 1 or 2, wherein the stopper ring (110) is made of polypropylene and the sealing ring (120) is made of a thermoplastic elastomer.
5. Container according to claim 1 or 2, wherein the stop (111) of the stop ring (110) is in the form of a flat ring in a horizontal plane.
6. The container of claim 1 or 2, wherein the collar body (112) of the stopper collar (110) comprises a second portion (1122);
the first portion (1121) is cylindrical in shape;
the stop (111) extends from one end of the cylinder towards the centre of the annular member (4); and is also provided with
The second portion (1122) is connected to the seal ring (120).
7. The container of claim 6, wherein the second portion (1122) of the ring body (112) includes a transition section (1122 a) and a connecting section (1122 b); and is also provided with
The ring body (112) and the sealing ring (120) together define an annular groove (113), wherein an inner circumferential wall of the annular groove (113) is formed by the first portion (1121) of the ring body (112), an outer circumferential wall of the annular groove (113) is formed by a connecting section (1122 b) of the sealing ring (120) with the second portion (1122) of the ring body (112), and a bottom wall of the annular groove (113) connecting the inner circumferential wall and the outer circumferential wall is formed by a transition section (1122 a) of the second portion (1122) of the ring body (112).
8. The container according to claim 6, wherein the first portion (1121) of the collar body (112) of the stopper collar (110) is intended to be fixed to the neck of the chassis (5) of the container.
9. The container according to claim 8, wherein the first portion (1121) of the collar body (112) of the stopper ring (110) is provided with an inner protrusion (1121 a) and the neck of the bottom plate (5) of the container is provided with an outer recess (511 a), the outer recess (511 a) having a shape complementary to the inner protrusion (1121 a) of the first portion (1121).
10. The container according to claim 1 or 2, wherein the interface between the sealing ring (120) and the stop ring (110) comprises a step (170).
11. A container according to claim 1 or 2, wherein the chassis (5) is adapted to hold an absorbent member which absorbs and stores volatile liquids, and
the stop (111) of the stop ring (110) of the annular member (4) extends inwardly beyond the opening of the chassis (5) so as to prevent the absorbent member from falling out of the chassis (5).
12. The container of claim 11, wherein the absorbent member is made of sponge or fabric.
13. The container of claim 12, wherein the absorbent member is configured to absorb and store a foundation fluid.
14. Cosmetic package comprising a shell assembly (1, 7), an application member and a container according to any one of claims 1-13, wherein the container is placed in the shell assembly (1, 7) and the application member is placed on a lid (3) of the container.
15. A method for producing a ring-shaped component (4) in a container according to any one of claims 1-13, wherein the method comprises:
providing a mold assembly comprising a first mold, a second mold, and a third mold;
assembling the first mold and the second mold to form a first cavity;
injecting a first material into the first chamber to form a stop ring (110) of the annular member (4);
replacing the second mold with the third mold to form a second chamber;
injecting a second material into the second chamber to form a sealing ring (120) of the annular component (4), wherein the sealing ring (120) is integral with the stop ring (110); and
-releasing the annular part (4) from the first and third mould in one piece.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711245931.8A CN109846181B (en) | 2017-11-30 | 2017-11-30 | Annular component, method for producing same, container and package comprising same |
| EP18207801.4A EP3491961B1 (en) | 2017-11-30 | 2018-11-22 | Annular member, container, package including the annular member and producing method of such annular member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711245931.8A CN109846181B (en) | 2017-11-30 | 2017-11-30 | Annular component, method for producing same, container and package comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109846181A CN109846181A (en) | 2019-06-07 |
| CN109846181B true CN109846181B (en) | 2023-05-23 |
Family
ID=64456767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711245931.8A Active CN109846181B (en) | 2017-11-30 | 2017-11-30 | Annular component, method for producing same, container and package comprising same |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3491961B1 (en) |
| CN (1) | CN109846181B (en) |
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| CN105877112A (en) * | 2015-02-17 | 2016-08-24 | 新前技术有限公司 | Compact for cosmetics having refill case |
| CN106742646A (en) * | 2015-11-20 | 2017-05-31 | 阿蓓亚塑料实业（上海）有限公司 | Distributor and the container including the distributor |
| CN206630188U (en) * | 2016-04-15 | 2017-11-14 | 株式会社爱茉莉太平洋 | The refill container being molded using bi-injection |
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| Influence of the container on the consumption of cosmetic products;M.P. Gomez-Berrada;Food and Chemical Toxicology;全文 * |
| 化妆品塑料容器的结构设计;沈晓明;;上海包装(第12期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3491961B1 (en) | 2022-08-24 |
| EP3491961A1 (en) | 2019-06-05 |
| CN109846181A (en) | 2019-06-07 |
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