JP3119379U - Aerosol container - Google Patents

Abstract

An object of the present invention is to realize an aerosol container having a function of easily degassing a gas remaining in a container at the time of disposal without affecting the appearance and at a low cost.
An engaging portion that engages with the tip of the stem so as not to block an ejection hole provided at the center of the stem on the upper surface of an operation nozzle that is mounted on the stem of the container body. Was established. Further, the cap 9 fitted on the container main body has a shape and a size such that when the operation nozzle is engaged and held on the stem upside down, the operation nozzle is brought into contact with the operation nozzle and the stem is pushed down. . With this, after use, the operation nozzle is turned upside down and replaced with a stem, and the cap is inserted into the container body from above, the stem is pushed down and the on-off valve is held open, The remaining gas was discharged.
[Selection] Figure 1

Description

  The present invention is a so-called aerosol container in which the contents are taken out with the pressure of the gas filled in a metal pressure-resistant container. It relates to what it has.

  Conventionally, as an aerosol container that can remove the gas remaining in the container when it is discarded, a groove is provided on the upper surface of the nozzle mounted on the stem of the container body, and is fitted to the container body. Protrusion that can hold and hold the nozzle is provided on the back surface of the cap. After use, the nozzle is replaced with the cap side, and the cap is placed on the container body to push down the stem with the nozzle and discharge the gas remaining in the container. There was something to let you do. (For example, refer to Patent Document 1).

  In addition to this, the ejection relay attached to the nozzle is equipped with a press relay member so that it can be tilted up and down. In some cases, the nozzles are pushed down and the on-off valve linked to the movement of the nozzles is opened to remove the gas remaining in the container. (For example, refer to Patent Document 2).

Note that any cap used in the conventional aerosol container is provided with pores, passages, and the like for releasing the gas discharged from the container at appropriate positions.
Japanese Utility Model Publication No. 6-3823 (2nd page, Fig. 2) JP 2000-191060 (page 2-3, FIG. 3)

  Among the conventional aerosol containers described above, the one that replaces the former nozzle is provided with a nozzle locking projection at a deep position on the back of the cap, so the user often does not notice, Also, even if you notice it, it is difficult to understand how to use it intuitively, so there are many cases where it is not used effectively. Furthermore, when the usage was understood, it was difficult and troublesome to replace the nozzle with a recessed portion on the back surface of the cap, so that it was not always used effectively.

  In addition, the latter ejecting head provided with a press relay member that can be tilted up and down is easy to operate and does not cause the above problems. However, the press relay member is accidentally raised during use. If you cap without noticing this, the contents will inadvertently erupt into the cap, requiring post-processing and wasteful use of the contents. There was a problem. In addition, this structure has a problem that a smaller pressure relay member must be provided on a small ejection head so that it can be tilted up and down, which makes it difficult to manufacture and increases the manufacturing cost. It was.

  This invention makes it a subject to solve the problem which the said conventional aerosol container had.

  In order to solve the above-mentioned problems, among the present inventions, the invention described in claim 1 is an aerosol container in which the contents are ejected by the pressure of the gas filled in the pressure-resistant container. An engagement portion that engages the tip of the operation nozzle mounted on the top is provided on the upper surface or side surface of the operation nozzle so as not to block the ejection hole provided at the center of the stem, and the container is covered with the operation nozzle. The cap fitted on the main body should have a size and shape that can contact the operation nozzle and press the stem when the operation nozzle is held on the stem by the engagement of the engaging portion. Features.

  The invention of claim 2 limits the operation nozzle to a downwardly expanding shape in the configuration of claim 1 above, limits the cap to an upwardly tapered shape, and turns the operation nozzle upside down. When mounted on the stem, the outside of the operation nozzle is brought into contact with the inside of the cap so that the stem is pushed down.

  According to the invention described in claim 3, in the configuration described in claim 1 above, the cap is limited to a cap provided with a protrusion on its inner surface, and the protrusion is held on the stem by the engagement of the engagement portion. In this case, the stem is pressed through the operation nozzle.

  As described above, of the present invention, in the device according to the first aspect of the present invention, an engagement portion that engages the tip of the stem is provided on the upper surface or the side surface of the operation nozzle, and the cap has the operation nozzle held by the engagement portion. Since the dimensions and shape are such that the stem can be pushed down in contact with the outside, after use, the operation nozzle can be changed to its orientation, just replace the stem and put on the cap, no special parts or The remaining gas can be removed easily, quickly and safely without the need for tools. Therefore, this type of container has the effect of adding a gas venting function without causing an increase in manufacturing cost, and prevents accidents such as accidents and environmental pollution caused by residual gas. It is.

  Further, in the invention according to claim 2, since the operation nozzle is expanded downward and the cap is gradually contracted, by covering the cap with the operation nozzle turned upside down, both of them are brought together and the stem is The function of pressing down is exhibited without adding any components. Therefore, this type of function can be added with good appearance in containers such as cosmetics where appearance is important.

  The invention described in claim 3 is provided with a protrusion on the back surface of the cap, and the stem is pushed down via the operation nozzle by this protrusion, so various shapes can be obtained by changing the shape and dimensions of the protrusion. It can correspond to a cap or an operation nozzle. Therefore, there is an effect that it is possible to diversify the variation of the external shape of the aerosol container having this kind of gas venting function.

  Hereinafter, the present invention will be described in detail based on illustrated embodiments. In the figure, the same reference numerals are assigned to the same functional parts.

  FIG. 1 is an exploded explanatory view showing an embodiment of an aerosol container according to the present invention, FIG. 2 is an enlarged cross-sectional view of a main part showing a state during use, and FIG. 3 shows a state during degassing. It is a principal part expanded sectional view. As shown in the figure, the aerosol container covers a container body 1 filled with contents such as hairdressing and shaving cream, an operation nozzle 4 attached to the stem 3 of the container body 1, and the operation nozzle 4. The cap 9 is fitted to the container body 1 as described above.

  The said container main body 1 is a metal pressure-resistant container which accommodates the content with a high-pressure gas, and has a protruding edge 2 protruding outward at the upper peripheral edge. The stem 3 is provided so as to be movable in the direction in which the stem 3 appears and disappears. The stem 3 is configured to open and close an internal on-off valve (not shown). When the stem 3 is pressed in the direction of immersing into the container body 1, the associated on-off valve is opened and pressurized. The formed contents (not shown) are discharged to the outside through an ejection hole 3a provided at the center thereof.

  The operation nozzle 4 has a substantially cylindrical shape in which an engagement hole 5 with the stem 3 is provided on the lower surface, and a jet port (not shown) communicating with the engagement hole 5 is provided on the side surface. Is formed of synthetic resin or the like in a shape expanded in a bowl shape. Moreover, the upper surface is made into the press part 7, and many groove | channels 8 are provided in the surface. 2 and 3, reference numeral 5 a denotes a stopper provided so that the stem 3 is not inserted into the locking hole 5 more than necessary.

  The cap 9 has a large-diameter cylindrical shape on the lower side and is integrally formed of a synthetic resin in a dome shape that gradually shrinks upward on the upper side. 2 is provided, and is integrally attached by forcibly fitting to the upper part of the container body 1. As shown in FIG. 2 and FIG. 3, longitudinal ribs 12 are provided on the inner surface of the cap 9 at appropriate locations around the cap 9.

  Here, in the aerosol container of the present invention, the pressing portion 7 on the top surface of the operation nozzle 4 is also provided with an engaging portion 6 that can engage the tip of the stem 3. When the engaging portion 6 is engaged with the stem 3, a gap (indicated by reference numeral 6a in FIG. 3) is formed at the tip portion thereof so as not to block the ejection hole 3a. Further, when the operation nozzle 4 is engaged and held on the stem 3 with the top and bottom being reversed, the initial outer periphery of the lower end is brought into contact with the inner peripheral surface of the cap 9, and the cap 9 is engaged with the container body 1. The dimension is set so as to be locked and held at the immediately preceding position.

  In the aerosol container of the present invention having the above-described configuration, the tip (upper end) of the stem 3 is normally engaged with the engagement hole 5 provided on the lower side of the operation nozzle 4 as shown in FIG. Is attached on the stem 3 and, when used, after the cap 9 is removed, the pressing portion 7 on the upper surface of the operation nozzle 4 is pushed down, and the stem 3 is pushed in a direction to be immersed in the container body 1. For this reason, the on-off valve (not shown) provided so as to be linked to the movement of the stem 3 is opened and pushed out by the pressure of the gas filled with the contained contents (not shown). It is supposed to be. When the pressing of the pressing portion 7 is stopped, the operation nozzle 4 is restored to its original shape by the elastic force of a spring (not shown) housed in the container body 1 together with the stem 3, thereby closing the on-off valve, and the contents Extrusion to the outside stops.

  Thus, the aerosol container of the present invention can be used without any change from conventionally known aerosol containers.

  Here, in general, in this type of aerosol container, the gas is filled with a margin so that the contents can be completely discharged. Therefore, a certain amount of gas remains in the container even after the contents are used up. It remains in the main body 1. Therefore, when discarding, it is necessary to completely remove the remaining gas for safety.

  Next, the procedure for degassing the aerosol container of the present invention having the above-described configuration will be described.

  In the aerosol container of the present invention, when the contents disappear and are discarded, first, the operation nozzle 4 is first pulled out from the tip of the stem 3 and is turned upside down as shown by the chain line in FIG. As shown in FIG. 3, it is mounted on the stem 3 so as to be held by the engaging portion 6. Next, the cap 9 is put on the container main body 1 in this state, and the cap 9 is strongly pressed toward the container main body 1 so that the protrusion 10 on the inner periphery of the lower end of the cap 9 engages with the protruding edge 2 of the container main body 1. Press. Thus, the operation nozzle 4 is guided and positioned by the rib 12 provided on the inner surface of the cap 9, and is pushed down in this state, thereby pushing down the engaged stem 3. Therefore, the on-off valve (not shown) linked to the movement of the stem 3 is opened, and at the same time, the protrusion 10 provided on the inner periphery of the lower end of the cap 9 causes the protrusion 2 provided on the upper portion of the container body 1 to be connected. The cap 9 is fitted onto the container body 1 integrally so that the on-off valve is held in this state. Therefore, the gas remaining in the container body 1 is discharged in this state, and the discharged gas passes through the groove 8 provided in the pressing portion 7 from the gap 6a at the tip of the stem 3 and then the cap 9. It is ejected into the inside and then discharged from the ventilation groove 11 provided at an appropriate location around the cap 9 to the outside.

  As described above, in the aerosol container of the present invention, after use, the operation nozzle 4 is turned upside down and mounted on the stem 3, and the cap 9 is fitted into the container body 1. Can be removed safely and reliably without touching the container.

  4 to 6 show another embodiment of the aerosol container of the present invention. In this case, an engaging portion 16 with the stem 3 is provided on the side surface of the operation nozzle 14 and the operation nozzle 14 is covered. On the back surface of the cap 19 that is covered in this way, a protrusion 20 is provided that abuts against the other side surface (side surface on the opposite side) of the engaging portion 16 of the operation nozzle 14 when degassing.

  And the aerosol container of this embodiment always fits the operation nozzle 14 on the stem 3 of the container main body 1 and the tip of the stem 3 in the engagement hole 5 provided on the back surface thereof as shown in FIG. In use, the stem 3 is pushed down through the operation nozzle 14 and the internal on-off valve (not shown) is opened to push out the contained contents with the pressure of the gas. By stopping the operation nozzle 14 from being pushed down, the stem 3 is restored by the force of a spring (not shown), the on-off valve is closed in accordance with this movement, and the extrusion of the contents to the outside stops. Yes.

  In the case of this aerosol container, when discarding after use, first, the operating nozzle 14 engaged with the stem 3 is pulled out from the stem 3 as in the above case, and then the removed operating nozzle 14 is As shown in FIG. 3, the operation nozzle 14 is turned sideways on the stem 3 as shown in FIG. 6 by being turned sideways as shown by a chain line and engaging with the stem using the engaging portion 16 provided on the side surface. Install.

  At this time, the operation nozzle 14 is moved so that the stem 3 can move in the protruding and retracting direction with respect to the container body 1 by the contact of the locking piece 14a provided therein to the tip of the stem 3. It is held on the stem 3. Further, when the locking piece 14a is in contact with the tip of the stem 3, the locking piece 14a has a shape that does not block the ejection hole 3a opened at the tip of the stem 3, or the center so that the ejection hole 3a is not blocked. It is assumed that it is provided at a position offset from the position.

  Next, when the cap 19 is put on the upper portion of the container body 1 from above the operation nozzle 14, the protrusion 20 protruding from the back side of the cap 19 is engaged with the other side surface of the engagement portion 16 (in FIG. When the cap 19 is pressed against the container body 1 in this state, the stem 3 is pushed down in the direction of immersing into the container body 1 via the operation nozzle 14, and the cap 19 The ridge 10 provided on the inner periphery of the lower end of the lower end of the ridge 10 provided on the upper periphery of the container main body 1 passes over and the cap 19 is fitted to the container main body 1. Therefore, the stem 3 is held in the depressed state, and the on-off valve remains open. As a result, the gas remaining in the container body 1 is ejected from the tip of the stem 3 to the inside of the cap 19, and the gas ejected to the inside of the cap 19 is slit-shaped provided on the shoulder portion of the cap 19. It is discharged from the opening 21 to the outside.

  As described above, in the aerosol container of the present invention, the operation nozzle 4 (or 14) inserted in the stem 3 is replaced, and the cap 9 (or 19) is simply covered, so that it remains in the container body 1 easily. The gas can be extracted, and this function can be obtained by slightly changing the shape of the conventional operation nozzle and cap, and hardly increases the manufacturing cost.

  In the above embodiment, as a means for releasing gas from the caps 9 and 19, the ventilation groove 11 is provided on the inner periphery of the lower end of the cap 9, or the slit-shaped opening 21 is provided on the shoulder of the cap 19. However, it is only necessary that the cap has air permeability inside and outside when the cap is covered, and the configuration of the ventilation means is not necessarily limited to the illustrated embodiment.

It is a disassembled perspective view explaining the usage method of the aerosol container by embodiment of this invention. It is a principal part expanded sectional view which showed the state at the time of use of the aerosol container shown in FIG. It is a principal part expanded sectional view which showed the state at the time of degassing of the aerosol container shown in FIG. It is a disassembled perspective view explaining the usage of the aerosol container by other embodiment of this invention. It is the principal part expanded sectional view which showed the state at the time of use of the aerosol container shown in FIG. It is the principal part expanded sectional view which showed the state at the time of degassing of the aerosol container shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Container main body 2 Projection edge 3 Stem 4, 14 Operation nozzle 5 Engagement hole 5a Stopper 6,16 Engagement part 7 Press part 8 Groove 9, 19 Cap 10 Projection 11 Venting groove 12 Rib 14a Locking piece 20 Protrusion 21 Opening

Claims (3)

In an aerosol container in which the contents are ejected at the pressure of the gas filled in the pressure-resistant container,
An engagement portion is provided on the upper surface or side surface of the operation nozzle mounted on the stem of the container body so as to engage the tip of the operation nozzle so as not to block the ejection hole provided in the center of the stem. The cap that is fitted on the container body so as to cover the container has a size and shape that allows the operation nozzle to be in contact with the operation nozzle when the operation nozzle is held on the stem by the engagement of the engaging portion, and to press the stem. An aerosol container characterized by being set. The operation nozzle is formed in a downwardly expanding shape, and the cap is formed in an upwardly contracting shape. When the operation nozzle is mounted upside down on the stem, the outside of the operation nozzle is in contact with the inside of the cap. The aerosol container according to claim 1, wherein the stem is pushed. The aerosol container according to claim 1, wherein a projecting portion capable of pressing the stem is provided on an inner surface of the cap in contact with an operation nozzle held on the stem by engagement of the engaging portion.

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