JP2009214917A - Spout for aerosol container, aerosol container with spout, and aerosol product filling container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an aerosol product which dispenses a content into a foam or viscous liquid state by connecting a spout to a valve, for preventing clogging even when a content is dried and attached to the top of a stem of the valve, and for improving dispensing failure such as insufficient dispensing amount with the elapse of the time by maintaining the dispense amount of the content constant. <P>SOLUTION: A spout 3 for an aerosol container includes a base part 34 fixed to a container body1, a nozzle part 31 whose top end has an opening 312 and bottom end is connected to the top of a stem, and a pressing part 32 which is connected to the base part through a hinge part 33 and moves vertically and integrally with the nozzle part with the hinge part as a fulcrum. The inside of the nozzle part is provided with a needle part 4 protruding downward and the chip end 41 of the needle part is inserted into the inside of the stem when the pressing part is pushed down. Also provided are an aerosol container with the spout, and an aerosol product filling the container. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a spout for an aerosol container attached to an aerosol container in which the contents are discharged in the form of a foam or a viscous liquid, and more specifically, it is possible to prevent clogging from occurring at the upper part of the stem. The present invention relates to an aerosol container spout, an aerosol container including the spout, and an aerosol product filled in the aerosol container.

  Aerosol products can be easily discharged by simply pressing the pressing part, so products in various fields such as insecticides, cosmetics, fragrances, deodorants, foods, etc. Is used.

  Aerosol products require an upright specification valve or a suction pipe connected to a container filled with the contents and propellant (liquefied gas, compressed gas, etc.) and a thin plastic suction pipe that extends toward the inside of the container. The valve is opened by pressing the stem of the valve, and the contents are discharged in the form of a mist, viscous liquid, or foam into the outside of the container.

  As a discharge form of such aerosol products, there is a form in which an injection nozzle is connected to a valve to inject the contents in a mist form, and a spout is connected to the valve to make the contents in a foam or viscous liquid form. It is divided roughly into what was made to discharge. Regardless of the type, there is a problem that clogging occurs due to the content being adhered and dried in the valve. Especially in the latter type, the valve and spout are fitted only when the spout is pressed, and not when the spout is not pressed. There is also a problem that occurs. When clogging occurs, there arises a problem of ejection failure such that a certain amount cannot be ejected when the contents are ejected, the ejection amount decreases with time, or ejection becomes impossible at all.

  As a technique capable of improving the clogging phenomenon of contents in an aerosol product, the disclosed technique of Patent Document 1 below has been proposed. The technology disclosed in Patent Document 1 below can eliminate the clogging phenomenon of the contents inside the valve by incorporating the elastic valve in the container.

  However, although the disclosed technique of Patent Document 1 can prevent clogging inside the valve, there is a problem that clogging of the above-described stem upper portion cannot be prevented. In particular, in aerosol products in which a spout is connected to the valve and the contents are discharged in the form of foam or viscous liquid, the contents remaining inside the spout nozzle after use flow down and remain on the top of the valve stem. Clogging is likely to occur due to drying of the remaining contents, but the technique disclosed in Patent Document 1 cannot solve this problem.

Japanese Patent No. 3409241

  The present invention is for solving the problems of the prior art as described above, and in an aerosol product in which a spout is connected to a valve and the contents are discharged in the form of a foam or a viscous liquid, Even when the dry substance of the contents adheres to the upper part of the valve stem, clogging is prevented, the discharge amount of the contents can be kept constant, and the discharge amount can be reduced over time. It is an object of the present invention to provide an aerosol container spout capable of improving defects, an aerosol container including the spout, and an aerosol product filled in the aerosol container.

  The invention according to claim 1 is an aerosol container spout attached to an aerosol container comprising a container main body in which contents are stored and a stem protruding from the top of the container main body, and is fixed to the container main body. A base part having an opening at the upper end, a lower end connected to the upper part of the stem, and a base part connected to the base part via a hinge part. The hinge part is used as a fulcrum and is integrated with the nozzle part. The nozzle part is provided with a needle part protruding downward, and the tip part of the needle part is inserted into the stem when the pressure part is moved downward. The present invention relates to a spout for an aerosol container.

  In the invention according to claim 2, the internal passage of the nozzle portion is formed at a position eccentric to the hinge portion direction with respect to the stem-side passage formed coaxially with the central axis of the stem. The spout for an aerosol container according to claim 1, wherein the spout for an aerosol container is formed in a crank shape including an opening side passage, and the needle portion is provided so as to protrude from an upper end portion of the stem side passage. About.

  According to a third aspect of the present invention, the internal passage of the nozzle portion includes a stem-side passage formed coaxially with the central axis of the stem, and an opening formed at right angles to the hinge portion direction with respect to the central axis. The aerosol container spout according to claim 1, comprising a side passage, wherein the needle portion is provided so as to protrude from a base end portion of the opening side passage.

  The invention according to claim 4 relates to the aerosol container spout according to any one of claims 1 to 3, wherein the needle part is integrally formed with the nozzle part.

  The invention according to claim 5 is characterized in that the needle portion has a cone shape in which a distal end portion is shifted in the direction of the pressing portion as compared with the center of the proximal end portion. The present invention relates to an aerosol container spout.

  The invention which concerns on Claim 6 is related with the aerosol container provided with the spout for aerosol containers in any one of Claims 1-5.

  The invention according to claim 7 relates to an aerosol product filled in the aerosol container according to claim 6.

  According to the first aspect of the present invention, there is provided an aerosol container spout attached to an aerosol container including a container main body in which contents are stored and a stem protruding from the top of the container main body, and is fixed to the container main body. The base part, the nozzle part having an opening at the upper end and the lower end connected to the upper part of the stem, and the base part and the hinge part are connected to each other, and the base part moves vertically with the hinge part as a fulcrum. The needle part that protrudes downward is provided inside the nozzle part, and the tip part of the needle part is inserted into the stem when the pressing part is moved downward. Even if clogging occurs, the needle part is inserted into the stem by the action of the user pressing the spout part to discharge the contents, destroying the dry matter remaining on the top of the stem. can do. As a result, clogging of the upper part of the stem is eliminated, the flow path of the stem can be secured, the flow rate can be kept constant during the discharge of the contents, and the discharge failure can be improved.

  According to the second aspect of the present invention, the internal passage of the nozzle portion includes a stem-side passage formed coaxially with the central axis of the stem, and an opening formed at a position eccentric in the hinge portion direction with respect to the central axis. It is formed in a crank shape consisting of a side passage, and the needle part is provided so as to protrude from the upper end part of the stem side passage, so the base end part of the needle part is firmly fixed inside the nozzle part The strength of the needle portion can be increased.

  According to the invention of claim 3, the internal passage of the nozzle portion includes a stem-side passage formed coaxially with the central axis of the stem, and an opening-side passage formed perpendicular to the central axis in the hinge portion direction. Since the needle portion is provided so as to protrude from the proximal end portion of the opening side passage, the proximal end portion of the needle portion is firmly formed at the proximal end portion of the opening side passage and the inner side surface of the nozzle portion. It becomes possible to fix to the needle portion, and the strength of the needle portion can be increased.

  According to the invention which concerns on Claim 4, since the needle part is integrally molded with the nozzle part, the number of parts can be reduced, and the needle part falls off by using the needle part and the spout as separate members. Can be prevented.

  According to the invention which concerns on Claim 5, since a needle part is a cone shape from which the front-end | tip part shifted | deviated to the press part direction compared with the center of a base end part, a needle part is a stem upper part at the time of a downward movement of a press part. Since the dry matter remaining in the pipe penetrates in the vertical direction, the dry matter can be more reliably destroyed to secure the flow path of the stem.

  According to the invention which concerns on Claim 6, since it is an aerosol container provided with the spout for aerosol containers in any one of Claims 1-5, it is set as the aerosol container which can prevent generation | occurrence | production of clogging. it can.

  According to the invention according to claim 7, since it is an aerosol product filled in the aerosol container according to claim 6, even if it is an aerosol product that has a particularly high solid content and easily clogs, Occurrence of clogging can be prevented.

DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of an aerosol container spout according to the present invention, an aerosol container including the spout, and an aerosol product filled in the aerosol container will be described with reference to the drawings. The present invention is not limited to the embodiments described in these drawings.
FIG. 1 is an external view of an aerosol container spout according to the present invention. FIG. 2 is a cross-sectional view of the aerosol container spout according to the present invention. FIG. 3 is a cross-sectional view showing a state in which the aerosol container spout according to the present invention is pressed. FIG. 4 is an enlarged view of a main part of FIG. FIG. 5 is an enlarged view of a main part of FIG.

  As shown in FIGS. 1 and 2, the spout for an aerosol container according to the present invention is an aerosol container including a container body 11 in which contents are stored and a valve 2 for discharging the contents in the container body 11. Attached to.

The valve 2 includes a stem 21 and an urging means (not shown).
The valve 2 is provided on the central axis of the circular mounting cup 20 that constitutes the lid of the container body 11. By opening and closing the valve 2, the contents in the container body 11 are discharged to the outside.

  The stem 21 protrudes from the top of the container body 11 and is erected on the central axis of the container body 11. The upper portion of the stem 21 and the spout 3 are connected when the pressing portion 32 is pressed, but the upper portion of the stem 21 and the spout 3 may be connected or separated when not pressed. The stem 21 can be moved up and down. When the stem 21 moves down, the valve 2 is opened, and when the stem 21 moves up, the valve 2 is closed.

  As the urging means, a known spring or the like is used, and the urging means urges the stem 21 in the upward direction. The urging means closes the valve 2 by bringing the lower portion of the stem and the housing of the valve 2 into close contact with each other via a gasket. The valve 2 is opened by lowering the stem 21 against the urging direction of the urging means.

The spout 3 includes a nozzle part 31, a pressing part 32, a hinge part 33, and a base part 34.
The spout 3 is integrally formed of a known synthetic resin. The spout 3 is fixed to the aerosol container 1 so as to cover the valve 2. Thereby, since the valve 2 is not visually recognized from the outside, the stem 21 of the valve 2 is moved downward by pressing the pressing portion 32 of the spout 3 while the overall aesthetic appearance of the aerosol container 11 is improved, and the contents are It can be discharged from the container body 11.

  The nozzle part 31 is provided so as to extend upward, and an opening 312 is provided at the upper end. The lower end is connected to the upper portion of the stem 21 when pressed, but may be connected to or separated from the upper portion of the stem 21 when not pressed. A needle part 4 is provided inside the nozzle part 31.

The pressing portion 32 and the hinge portion 33 are provided at positions facing each other with the nozzle portion 31 as the center. By cutting the upper surface of the spout 3 in a C shape so as to surround the nozzle portion 31, the uncut portion becomes the hinge portion 33, and the hinge portion is located inside the C shape cut and centered on the nozzle portion 31. A pressing portion 32 is formed at a position facing 33.
The pressing portion 32 is formed one step higher than the base portion 34 in order to facilitate pressing. The hinge part 33 is a part that becomes a fulcrum of vertical movement when the pressing part 32 is pressed.
By pressing the pressing portion 32, the nozzle portion 31 rotates downward with the hinge portion 33 as a fulcrum to move the stem 21 of the valve 2 downward, and the valve 2 is opened.

  The base portion 34 is provided with a fitting portion 341, and the spout 3 is fixed to the aerosol container 1 by fitting the fitting portion 341 and the mounting cup 20 of the valve 2. However, the fixing method is not limited to this, and the base portion 34 may be fitted to the outer peripheral portion of the container body 11.

  The needle part 4 is provided inside the nozzle part 31 so as to protrude upward (downward) of the stem 21. 2 and 4, the nozzle portion 31 and the stem 21 are connected to each other, and the nozzle portion 31 is rotated downward with the hinge portion 33 as a fulcrum to move toward the stem 21 of the valve 2. As the needle part 4 moves downward, the needle part 4 inside the nozzle part 31 also moves downward in the upper direction of the stem 21, and as shown in FIG. 3 and FIG. Is inserted into. Thereby, even if clogging occurs in the upper end portion of the stem 21, the needle portion 4 is inserted into the stem 21 by the act of the user pressing the pressing portion 32 of the spout 3 in order to discharge the contents, The dry matter remaining on the upper portion of the stem 21 can be destroyed. As a result, clogging of the upper portion of the stem 21 is eliminated, the flow path of the stem 21 can be secured, the flow rate can be kept constant during the discharge of the contents, and the discharge failure can be improved.

  The shape of the needle portion 4 is not particularly limited as long as it is a shape that projects so as to become narrower toward the upper portion (downward direction) of the stem 21 of the bulb 2, and for example, a conical shape, an elliptical cone shape, a triangular pyramid shape, A polygonal pyramid shape such as a quadrangular pyramid or a pentagonal pyramid can be used.

In the aerosol container spout 3 according to the present invention, the needle portion 4 is preferably integrally formed with other elements (nozzle portion 31 and the like) of the spout 3. This is because it is not necessary to newly provide another member, the spout 3 and the valve 2 can be easily connected, and the manufacturing cost of the aerosol container spout 3 can be reduced.
However, when using the existing spout 3, the needle | hook part 4 can also be newly attached to the existing spout as another member. In this case, the material of the needle part 4 is not limited to the same material as the spout 3, and it is preferable to use a highly rigid member, for example, a metal such as stainless steel. This is because the rigidity is higher than that of the synthetic resin, so that even if the clogging generated at the upper portion of the stem 21 is a harder dry product, it can be broken.

Although the protrusion amount of the needle part 4 is appropriately changed depending on the movement amount of the nozzle part 31 when the pressing part 32 is pressed, the protrusion amount of the needle part 4 is small in order to secure a flow path in the nozzle part 31. Is preferred. If the protruding amount of the needle portion 4 is large, when the pressing portion 32 is not pressed, the needle portion 4 partially closes the opening of the upper portion of the stem 21, and conversely, the occurrence of clogging may be promoted. Because there is. Therefore, it is preferable that the protruding amount of the needle portion 4 is an amount that is not inserted into the stem 21 when not pressed.
Moreover, it is preferable to set the protrusion amount of the needle part 4 so that when the pressing part 32 is pressed, the needle part 4 is inserted into the stem 21 from 0 to 3 mm below the upper part of the stem 21.

  Since the distal end portion 41 of the needle portion 4 needs to be inserted into the stem 21, it has an outer diameter smaller than the inner diameter of the stem 21. For example, when the inner diameter of the stem 21 is 2 mm, the major axis of the portion inserted into the stem 21 at the tip 41 of the needle portion 4 is less than 2 mm.

  The shape of the distal end portion 41 of the needle portion 4 can be appropriately selected depending on the occurrence frequency of clogging caused by the contents filled in the aerosol container 11 and the hardness of the generated clogging material, and may be a sharp shape. A hemispherical shape, a truncated cone shape, or a truncated pyramid shape may be used.

  2 and 3, the internal passage of the nozzle portion 31 includes a stem-side passage 313 formed coaxially with the central axis of the stem 21 and an opening formed at a position eccentric to the hinge portion 33 with respect to the central axis. The needle portion 4 is formed so as to protrude from the upper end portion 315 of the stem side passage 313. In the case of this form, the base end portion 42 of the needle portion 4 can be firmly fixed inside the nozzle portion 31, and the strength of the needle portion 4 can be increased. Furthermore, in addition to the base end portion 42 of the needle portion 4, a part of the side surface of the needle portion 4 can be fixed by the inner side surface 316 of the nozzle portion 31, and the strength of the needle portion 4 can be further increased.

Moreover, the aerosol container spout 3 according to the present invention can be applied to the spout 3 in which the nozzle portion 31 is linear. In this case, the needle part 4 is provided on the inner side wall of the nozzle part 31 on the pressing part 32 side. Providing the needle part 4 on the hinge part 33 side is not preferable because the movement amount of the needle part 4 is reduced.
In this case, the needle part 4 may be provided by integrally molding with the spout 3 or may be provided by adding another member.

FIG. 6 is a cross-sectional view of a second embodiment of the aerosol container spout according to the present invention. FIG. 7: is sectional drawing which pressed 2nd Embodiment of the spout for aerosol containers which concerns on this invention.
As for the spout 3 for aerosol containers which concerns on 2nd Embodiment, the needle part 4 is a cone shape from which the front-end | tip part 41 shifted | deviated to the press part 32 direction compared with the center of the base end part 42 as FIG. Is preferred.
Accordingly, as shown in FIG. 7, when the pressing portion 32 moves downward, the needle portion 4 penetrates the dry matter remaining on the upper portion of the stem 21 in the vertical direction. Can be secured.

FIG. 8 is an external view of a third embodiment of the aerosol container spout according to the present invention. FIG. 9 is a cross-sectional view of a third embodiment of the aerosol spout according to the present invention.
Although the aerosol container spout according to the first and second embodiments described above is an inverted spout, the aerosol container spout according to the third embodiment is an upright spout.
In the aerosol container spout 3 according to the third embodiment, as shown in FIG. 9, the internal passage of the nozzle portion 31 is a stem-side passage 313 formed coaxially with the central axis of the stem 21 and is hinged to the central axis. The needle part 4 is provided so as to protrude from the base end part of the opening part side passage 314. The opening part side passage 314 is formed at right angles to the direction of the part 33. As a result, the proximal end portion of the needle portion 4 can be firmly fixed by the inner side surface 316 and the inner top surface 317 of the nozzle portion 31 at the proximal end portion of the opening side passage 314, and the strength of the needle portion 4 can be increased. Can be increased.
In the case of the third embodiment, the pressing portion 32 is provided integrally with the nozzle portion 31 on the central axis of the stem 21, and presses the stem 21 by directly pressing the nozzle portion 31.

  The aerosol container spout 3 according to the present invention can break a clogged material every time the user presses the pressing portion 32 (every time the user uses it). Therefore, no separate operation for clogging is required. Further, when the clogged material is dried and hard due to a long period of non-use, the contents may not be discharged at once even when the pressing portion 32 of the aerosol container spout 3 according to the present invention is pressed. However, by pressing the pressing portion 32 a plurality of times, the dry matter that causes clogging can be destroyed without problems.

  The aerosol container 1 according to the present invention is configured by attaching the above-described aerosol container spout 3 to the container body 11 and is filled with a composition such as cosmetics, pharmaceuticals, quasi-drugs, fragrances, foods and the like. It is considered as an aerosol product. The form of the specific aerosol product is not particularly limited as long as it is ejected in the form of a foam or a viscous liquid. For example, hair cosmetics such as hairdressing agents and hair dyes; skin care agents, shaving agents, deodorants Examples include skin cosmetics such as agents and fragrances; pharmaceuticals such as analgesic anti-inflammatory agents and insecticides; quasi-drugs such as bactericides and disinfectants; and foods such as whipped cream. In particular, a composition having a high solid content and easily clogging is suitable for filling the aerosol container 1 according to the present invention.

  INDUSTRIAL APPLICABILITY The present invention can be suitably used for aerosol products of a type in which a spout is connected to a valve and contents are discharged into a foam or viscous liquid.

It is an external view of the spout for aerosol containers according to the present invention. It is sectional drawing of the spout for aerosol containers which concerns on this invention. It is sectional drawing of the state which pressed the spout for aerosol containers which concerns on this invention. FIG. 3 is an enlarged view of a main part of FIG. 2. It is a principal part enlarged view of FIG. It is a figure of 2nd Embodiment of the spout for aerosol containers which concerns on this invention. It is the figure which pressed 2nd Embodiment of the spout for aerosol containers which concerns on this invention. It is an external view of 3rd Embodiment of the spout for aerosol containers which concerns on this invention. It is sectional drawing of 3rd Embodiment of the spout for aerosols which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Aerosol container 2 Valve 3 Spout 4 Needle part 11 Container main body 21 Stem 31 Nozzle part 32 Press part 33 Hinge part 34 Base part 41 Tip part 42 Base end part

Claims (7)

A spout for an aerosol container attached to an aerosol container comprising a container main body in which contents are stored and a stem protruding from the top of the container main body,
A base portion fixed to the container body;
A nozzle portion having an opening at the upper end and a lower end connected to the upper portion of the stem;
It is connected via the base part and the hinge part, and comprises a pressing part that moves up and down integrally with the nozzle part with the hinge part as a fulcrum,
Inside the nozzle part, a needle part protruding downward is provided,
The spout for an aerosol container, wherein the tip of the needle part is inserted into the stem when the pressing part is moved downward. The internal passage of the nozzle portion is a crank including a stem-side passage formed coaxially with the central axis of the stem and an opening-side passage formed at a position deviated in the hinge portion direction with respect to the central axis. Formed in a shape,
The aerosol container spout according to claim 1, wherein the needle portion is provided so as to protrude from an upper end portion of the stem-side passage. The internal passage of the nozzle part includes a stem side passage formed coaxially with the central axis of the stem, and an opening side passage formed perpendicular to the hinge portion direction with respect to the central axis.
The spout for an aerosol container according to claim 1, wherein the needle part is provided so as to protrude from a base end part of the opening side passage.   The spout for an aerosol container according to any one of claims 1 to 3, wherein the needle part is integrally formed with the nozzle part.   The spout for an aerosol container according to any one of claims 1 to 4, wherein the needle portion has a cone shape with a distal end portion shifted in the direction of the pressing portion as compared with the center of the proximal end portion.   The aerosol container provided with the spout for aerosol containers in any one of Claims 1-5.   An aerosol product filled in the aerosol container according to claim 6.

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