WO2008001780A1

WO2008001780A1 - Cap for aerosol container and aerosol ejection device

Info

Publication number: WO2008001780A1
Application number: PCT/JP2007/062820
Authority: WO
Inventors: Hideto Mihara
Original assignee: Kobayashi Pharmaceutical Co., Ltd.
Priority date: 2006-06-28
Filing date: 2007-06-26
Publication date: 2008-01-03
Also published as: JP2008007143A; JP4963880B2

Abstract

[PROBLEMS] A one touch cap for an aerosol container and aerosol ejection device in which contents discharge operation is easily and reliably performed and the contents can be discharge into a space in the cap. [MEANS FOR SOLVING THE PROBLEMS] The cap for an aerosol container includes a cap body (11) having a wall (11) surrounding an ejection button (12) and also having a button installation section (15). The button (12) has an outer flange (12d) projected from its peripheral wall (12b). The button installation section (15) has an inner flange (15b) projected from its tubular section (15a), at a position above the outer flange (12d), and receives the button (12) so that it can be drawn downward. The inner flange (15b) and the outer flange (12d) are positioned so that, when either a container (10) or the cap body (11) in an inverted state is pressed against the other, the inner flange (15b) presses the outer flange (12d) of the button on a valve stem to perform ejection.

Description

Specification

Aerosol container cap and aerosol injection device

Technical field

TECHNICAL FIELD [0001] The present invention relates to an aerosol container cap and an aerosol injection device, and more specifically, an aerosol container cap capable of easily discharging the contents in an aerosol container after use, and the aerosol container cap. The present invention relates to an aerosol spray device equipped with Background art

[0002] The aerosol spray device can easily spray, spray or apply the contents in a container, so it can be used for paints, insecticides, fragrances, deodorants, household cleaners, fungicides, Widely used for spraying disinfectants, pharmaceuticals, cosmetics, quasi drugs and the like. In this aerosol type spray device, the propellant and the gas for injection are accommodated in the aerosol container, and the propellant is injected through the injection nozzle by pressurization by the gas for injection. . In the present specification and claims, the “contents” in the container includes the propellant and the gas for injection, and even when only the propellant and the gas for injection are included, Sometimes referred to as “content”. “Aerosol” refers to a liquid, gas, powder, or the like ejected from a container through an ejection nozzle, and includes mist, particle, foam, paste, gel, and the like as ejection forms. “Discharge” in relation to the contents means that the remaining contents are released for the purpose of disposing of the aerosol container unless otherwise specified.

[0003] The use of chlorofluorocarbon is prohibited as an injection gas, and high-pressure gases such as flammable butane and propane, liquefied gas such as propane, nitrogen gas, and carbon dioxide gas are currently used. If the used aerosol container is disposed of as garbage, there is a risk that the container will explode due to the gas pressure in the container. In order to prevent such accidents, when disposing of an aerosol container, it is currently desirable to discharge the contents in the container to bring the internal pressure to the normal level before disposal. For example, the contents in the container are required to be discharged before disposal.

[0004] The aerosol spray devices that are widely used mainly include a nose nozzle attached to a stem. The head is covered with a cap, and when used, the cap is removed and the contents are sprayed by pushing down the stem to push the stem down (called a two-touch type) and for spraying with a spray nozzle without removing the cap There is a type (called a one-touch type) in which the contents are sprayed by pressing down on the stem by pressing a button (hereinafter simply referred to as “button”).

[0005] Among these, the one-touch type is frequently used in recent years because the injection operation is simple and the cap is not lost. The one-touch type aerosol spray device can be sprayed without removing the cap, so it is possible to hold the cap by pushing down the button that has been pushed in even when discharging the contents before disposal. Some have been proposed that can be discharged without removal (Patent Documents 1 and 2). However, in this structure, since the button is not covered with the cap, the contents are scattered directly from the injection nozzle to the surrounding environment, causing contamination of the surrounding air, and when there is a fire, There is a risk of ignition.

[0006] In order to cope with this, the button is incorporated into the cap, and when discharging, the cap is removed from the aerosol container together with the button, the aerosol container is inverted, and the exposed valve stem is pressed against the top surface of the button for discharging. A structure is proposed (Patent Document 3). The top surface of the button used in this device is provided with a groove or a through-hole for guiding the contents, thereby guiding the contents to a void in the cap. However, the operation of pressing the small valve stem against the top of the button with the aerosol container upside down is not always easy because the stem may be difficult to see. The contents may jump out in the direction, causing the contents to scatter or adhere to the skin.

[0007] On the other hand, in a two-touch type aerosol spray device that removes a cap when in use, a horizontal wall that divides a space surrounded by the side wall of the cap is provided in the middle of the height direction, and the horizontal wall moves up and down inside the cap. A structure having a structure divided into two is proposed (Patent Documents 4 and 5). Normally, cover the cap with the button in the lower space, and when discharging, remove the cap and turn it upside down to place the button in the space on the opposite side of the cap. Press down on the spray button on the stem, To discharge. However, this structure is possible in the case of the two-touch type, and the one-touch type aerosol injection device has a structure in which the injection button is pushed with a finger while the cap is attached. I ca n’t have a horizontal wall in the middle.

Patent Document 1: JP-A-8-133360

Patent Document 2: JP 2002-193362 A

Patent Document 3: Japanese Patent Laid-Open No. 2002-293388

Patent Document 4: Japanese Utility Model Publication No. 6-71485

Patent Document 5: Japanese Unexamined Patent Publication No. 2000-309388

Disclosure of the invention

Problems to be solved by the invention

[0008] The present invention has been made to solve the above-mentioned problems in a one-touch type aerosol injection device that is easy to operate, and the contents can be easily and reliably discharged when the aerosol container is discarded. It is an object of the present invention to provide an aerosol-type aerosol container cap and an aerosol injection device that are capable of discharging contents to a void in the cap.

Means for solving the problem

In order to achieve the above object, the present invention is an aerosol container cap comprising a cap body attached to an aerosol container and a button attached to a valve stem of the aerosol container, wherein the cap The main body includes a surrounding wall that surrounds the button in a state of being attached to the aerosol container, and the surrounding wall is a fitting part for attaching to the aerosol container, an injection opening, and an operation for receiving a finger. The button includes a recessed portion and a button mounting portion to which the button is mounted. The button protrudes outward in the radial direction from the upper wall, a peripheral wall extending downward from the upper wall, and a peripheral wall extending downward from the upper wall. An outer flange, a connection part fitted to the valve stem of the aerosol container, and an injection nozzle for injecting the contents of the aerosol container through the connection part The button mounting portion includes a cylindrical portion that guides the button in the vertical direction, and an inner flange that protrudes radially inward from the cylindrical portion at a position above the outer flange of the mounted button. And The button is accommodated so that the button can be pulled out downward, and the outer flange and the inner flange are configured such that one of the aerosol container and the cap body approaches the other in an inverted state and at least a stem push-down distance for injection The injection openings are positioned so as to face the injection nozzles in the non-use state and the normal injection state, and are positioned so as to be in contact with each other. An aerosol container cap is provided which is formed so as to be positioned closer to the container body than the spray nozzle when the outer flange and the inner flange are brought into contact with each other.

The invention's effect

[0010] An aerosol container cap according to the present invention includes a cap body and a button, and the cap body is a one-touch type provided with an ejection opening and an operation recess for receiving a finger. Further, the button mounting portion provided in the cap body includes a cylindrical portion that guides the button in the vertical direction, and accommodates the button so that the button can be pulled out downward. The cylindrical portion is provided with an inner flange protruding radially inward, and the button provided with the injection nozzle is provided with an outer flange protruding radially outward from the peripheral wall. The outer flange and the inner flange are in a state in which one of the aerosol container and the cap body approaches the other in an inverted state and is separated by at least a stem depression distance for injection. The injection opening is located at a position facing the injection nozzle in a non-use state and a normal injection state, and the outer flange and the inner flange are in contact with each other in the inverted state. It is formed so as to be located on the container body side from the injection nozzle.

Therefore, normally, the button can be moved up and down within the cap body, and the contents can be injected by being pushed down. On the other hand, when the contents are discharged, if the cap main body is removed from the aerosol container, the button can be pulled out from the cap main body so as to be engaged with the valve stem. In this state, if one of the aerosol container and the cap body is brought close to each other in an inverted state, the outer flange and the inner flange come into contact with each other, and when both are pressed against each other, the valve stem is moved over the distance required for injection. It is pushed in. At this time, since the injection opening is located closer to the container body than the injection nozzle, the contents are injected from the injection nozzle into a space in the cap body. [0012] The cylindrical part of the button mounting part accommodates the button so that the button can be pulled out downward. When the cap body is lifted, not only the button naturally falls, but also integration during the manufacturing process, etc. For this reason, the button is temporarily held loosely on the cap body, but it can be easily pulled out manually.

[0013] The discharge operation is easy because the cap body is removed from the aerosol container, and either the aerosol container or the cap body is inverted and pressed against the other. At that time, since the button force cap body located on the valve stem of the aerosol container is pressed against the main body of the aerosol container, the size of the button prevents the erroneous operation like pressing a small valve stem. Can be done. As a result, while the one-touch type injection is possible, the contents can be easily and reliably discharged into the space in the cap at the time of discharging.

[0014] In the aerosol injection device according to the present invention, since the cap is attached to the aerosol container containing the content for injection, the advantages of the cap are reflected, and while being a one-touch type injection device, at the time of discharge It is possible to discharge the contents easily and surely into the space in the cap.

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, an aerosol container cap according to an embodiment of the present invention will be specifically described with reference to the drawings. Note that in the drawings used for description, the same or similar parts may be denoted by the same reference numerals and description thereof may be omitted.

FIG. 1 and FIG. 2 are diagrams showing a non-use state of an aerosol injection device equipped with an aerosol container cap according to Embodiment 1 of the present invention, where (a) in FIG. 1 is a perspective view, (b) ) Is a front view, (a) in FIG. 2 is a cross-sectional view taken along line IIa_IIa in FIG. 1 (b), (b) is a cross-sectional view taken along line IIb_IIb in FIG. 2 (a), and (c) is shown in (b). It is a figure which expands and shows a part. 3 and 4 show only the cap. FIG. 3A is a perspective view seen from above, FIG. 3B is a perspective view seen from below, and FIG. 3C is a rear view seen from the operation recess. Figure

4 (a) is a cross-sectional view taken along the line IVa-IVa in FIG. 3 (c), and (b) is a cross-sectional view taken along the line IVb-IVb in FIG. 4 (a).

[0017] An aerosol container cap 1 according to this embodiment includes a cap body 11 as shown in the figure. And the button 12. The aerosol container 10 is used by being attached to an aerosol container 10 (a part of the container is shown in the figure. Hereinafter, “aerosol container” may be simply abbreviated as “container”).

[0018] The cap body 11 is substantially cylindrical and has a fitting portion id (see Fig. 2) for mounting on the container 10 at the lower end, and the annular protrusion of the fitting portion id is the container. It is adapted to be fitted to 10 tightening portions 10a. The tightening portion 10a is formed to connect the container month portion 10b and the mountain cap 10c. The cap body 11 has a substantially cylindrical shape and is provided with a surrounding wall 11 a surrounding the button 12. The surrounding wall 11a has an opening 1 lb for injection through which the propellant, which is the contents, and an opening 1 lb opposite to the injection opening 1 lb. An operation recess 11c is formed to receive the. Further, the cap body 11 is formed with a button mounting portion 15 formed along the central axis direction of the container 10 between the injection opening l ib and the operation concave portion 11c and into which the button 12 is inserted. Has been. In addition, the inside of the cap body 11, that is, the upper part of the container 10, the area surrounded by the surrounding wall 1 la of the cap body 11, the button 12, etc. becomes a space.

FIG. 5 and FIG. 6 show the above buttons, in which (a) in FIG. 5 is a perspective view seen from above, (b) is a perspective view seen from below, (c) is a front view, (d ) Is a side view, (a) of FIG. 6 is a cross-sectional view taken along the line Vla-VIa in FIG. 5 (c), and (b) is a cross-sectional view taken along the line VIb-VIb of FIG. 6 (a). As shown in the figure, the button 12 includes an upper wall 12c that receives a pressing operation with a finger, a peripheral wall 12b that extends downward from the upper wall, and an injection nozzle 12a that injects the contents of the aerosol container. On the inner side of the peripheral wall 12b, a valve stem (hereinafter referred to as the stem) 16 protruding from the upper part of the aerosol container 16 is provided, and a connecting portion 17 fitted to the lower part of the peripheral wall 12b is provided radially outward. An outer flange 12d is provided protruding from the top. The contents in the container 10 flowing out from the stem 16 are substantially perpendicular to the central axis of the container 10 from the injection nozzle 12 a provided on the side wall of the button 12 through the flow path formed in the button 12. It is sprayed in the direction. When not in use, the button 12 is held in the raised position on the stem 16 which is biased upward.

[0020] The button mounting portion 15 includes a cylindrical portion 15a that guides the button 12 in the vertical direction so that the spray nozzle 12a faces the spray opening l ib, and a position above the outer flange 12d of the mounted button. And an inner flange 15b projecting radially inward from the cylindrical portion 15a. Tubular part 1 The upper and lower ends are opened so that the button 12 can be inserted from the lower side and protruded upward, and the button 12 is accommodated so that the button 12 can be pulled out downward.

However, in this embodiment, a temporary holding portion 15d is provided at the lower end of the cylindrical portion 15a, and the button 12 is temporarily held. In this regard, FIG. 7 shows the cap 1 as viewed obliquely from below. The temporary holding portion 15d is formed in a claw shape that slightly protrudes inward in the radial direction of the bottom end of the cylindrical portion 15a, and is held to the extent that it does not fall by being locked to the outer flange 12d of the button 12 inserted from below. Hold it. As a result, in the manufacturing process, the cap body 11 and the button 12 can be transported, assembled, etc. as a whole, and handling becomes easy. On the other hand, after the cap 1 is mounted on the aerosol container 10 and the connecting portion 17 of the button 12 is fitted to the stem 16 of the container 10, the coupling force between the stem and the button is strong, so the cap body When 11 is removed from the container 10, the button 12 is detached from the temporary holding portion 15 d and pulled out downward while remaining on the stem 16.

[0022] In addition, the cap main body 11 inverts either the cap main body or the container main body so that the button 12 positioned on the stem 16 is placed in the cap main body 11 over a distance necessary for the content injection. A space 30 is provided in the upper center so that the mountain cap 10c of the container body 1 can be received when being pushed. In this embodiment, the side wall of the surrounding wall 11a facing the void 30 is engaged with the tightening portion 13a around the stem 16 of the container 10 pushed in to discharge the contents, and the pushed state is maintained. The fitting part 31 is provided in four places. As shown in FIGS. 3 and 4, the fitting portion 31 is formed in a claw shape formed on the side surface of the cap body 11. When the tightening portion 13a is pushed into the space 30, the fitting portion 31 is deformed outward, and the elastic tightening force holds the tightening portion 13a in the pushing position.

[0023] Furthermore, locking portions 15c are annularly provided at a plurality of locations in the circumferential direction of the cylindrical portion 15a at the upper end of the cylindrical portion 15a. As will be described later, the locking portion 15c presses the aerosol container 10 and the cap 1 in an inverted state and presses them against each other to complete the discharge of the contents of the container 10. When the is removed from the cap 1, the button 12 is provided in the cap body 11 so that it can be removed from the stem. Therefore, the locking portion 15c has a claw shape and is provided at a position to engage with the outer flange 12d of the button 12 inserted from above into the cylindrical portion 15a in the opposite direction to the normal use state. ing. In this embodiment, as shown in FIG. 12 (b), the button inserted in the cylindrical portion 15a in the reverse direction.

In a state where the 12 outer flanges 12d are in contact with the inner flange 15b, a locking portion 15c is provided at a position to engage with the outer flange 12d.

[0024] In order to assemble the aerosol injection device, the button 12 is inserted into the cylindrical portion 15a of the cap body 11 from the lower side and is held by the temporary holding portion 15d. Attach this cap 1 to the top of the aerosol container 10. This is done by fitting the fitting part l id of the cap body 11 to the tightening part 10a of the container 10. At this time, the stem 16 is fitted into the connection part 17 of the button 12, and the button 12 Is held in the raised position. As a result, the injection operation can be performed.

8 and 9 show a normal use state in which the above-mentioned aerosol injection device performs injection from the nozzle 12a, where (a) in FIG. 8 is a perspective view, (b) is a front view, and FIG. (A) is a cross-sectional view taken along line IXa-IXa in FIG. 8 (b), and (b) is a cross-sectional view taken along line IXb-IXb in FIG. 9 (a). As shown in the figure, in normal use in which the propellant is injected, the upper surface of the button 12 is pressed and the stem 16 is pressed down. As a result of the operation, the propellant is injected through the injection nozzle 12 a along with the injection gas (high pressure gas) in the container 10. In this depressed position, the injection nozzle 12a is in a position facing the injection opening l ib, so that the injection target is injected to the outside of the cap 1.

[0026] Next, an operation of discharging the contents in the container 10 when the aerosol container is discarded will be described. In order to discharge the contents, the cap body 11 is first removed from the container 10 as shown in FIG. At this time, the button 12 is detached from the temporary holding portion 15d and remains on the stem 16 due to the close fitting between the connecting portion 17 and the stem 16. Next, the removed cap body 11 is placed on an appropriate support surface in the posture at the time of wearing (upright posture). Then, as shown in FIG. 11 (a), the container 10 is inverted and the button 12 is inserted into the cylindrical portion 15 a of the cap body 11. At this time, the outer flange 12d of the button 12 is in contact with the inner flange 15b of the cylindrical portion 15a at a position before the tightening portion 13a of the mountain cap 10c is engaged with the fitting portion 31. In this state, push down the container 10. Figure 11 (b) shows the front of the container 10 pressed down. Fig. 12 (a) is a cross-sectional view taken along line Xlla-XIIa in Fig. 11 (b), and Fig. 12 (b) is a cross-sectional view taken along line Xllb-XIIb in Fig. 12 (a). By this depressing operation, the stem 16 is pushed in, and the contents are discharged from the injection nozzle 12a of the button 12 through the stem. In this state, the injection nozzle 12a is located below the lower ends of the injection opening l ib and the cylindrical portion 15a, and is located in a space surrounded by the surrounding wall 11a. Accordingly, the contents are injected into the cap body 11. Then, it slowly flows out from between the lower surface of the cap body 11 and the support surface to the outside of the cap.

[0027] In this embodiment, when the distance required for injection from the injection nozzle 12a is pushed in the inverted state, the fitting portion 31 is attached to the tightening portion 13a in the mountain cap of the aerosol container. It is formed to fit tightly. That is, when the cap body 11 is in the upright state, the distance dl (see Fig. 2 (c)) to the lower end of the upper end force fitting portion 31 of the inner flange 15b is the button 12 when the contents are injected (when the button is depressed). Outside flange at

Upper end force of 12d It is made equal to the distance d2 to the lower end of the tightening portion 13a in the mountain cap 10c of the aerosol container.

[0028] In many aerosol injection devices, the lower end of the valve stem is placed in an aerosol container.

A tube extending to the bottom is connected, and the opening at the lower end of the tube is immersed in the liquid in the container. In this case, when the aerosol container is inverted and discharged, the pressurizing gas is released from the stem. In addition, in some aerosol injection devices, a tube coupled to the lower end of the valve stem has flexibility and a weight is attached to the lower end of the tube. In this case, when the aerosol container is tilted, the lower end of the tube sinks downward in the aerosol container together with the weight. When the aerosol container is turned upside down, some tubes sag in a U-shape and sink into the liquid of the contents. In this case, when the aerosol container is turned upside down and discharged, the liquid is released.

[0029] When the discharge is completed, or when it is desired to stop the discharge halfway, the cap body 11 may be removed from the aerosol container 10 by releasing the fitting between the fitting portion 31 and the tightening portion 13a. As a result, the stem 16 is returned to the position before being pushed in by the built-in panel, and the ejection is stopped. Also, as shown in FIG. 13, when the button 12 is removed, the outer flange 12d of the button 12 has a cap. By engaging with the locking portion 15 c of the main body 11, it stays in the cap main body 11, and the engagement between the connection portion 17 and the stem 16 is released. According to this embodiment, the discharging operation is completed in a state where the cap body 11 and the button 12 are joined, which is convenient when separating and discarding metal parts and plastic parts.

[0030] When the cap body 11 is not provided with the locking portion 15c, as shown in FIG. 14, when the cap body 11 is removed from the aerosol container 10, the button 12 is engaged with the connection portion 17 and the stem 16. With the container 10, the cap body 11 is pulled out. In this case, if necessary, the button 12 is removed from the stem 16 and discarded. If the cap body 11 is not provided with the locking portion 15c and the engagement between the connecting portion 17 and the stem 16 is loose, the cap body 11 is removed from the aerosol container 10 and the button 12 is moved to the cap body as shown in FIG. 11 remains.

[0031] As shown in FIG. 15, the contents can be discharged by pushing the cap body 11 in the inverted state and pushing it into the button 12 while keeping the container 10 upright. 15A shows a discharged state, and FIG. 15B shows a state where the cap body 11 is removed from the container 10 after discharging. Also in this case, the contents are discharged from the spray nozzle 12a of the button 12 into the cap body 11 surrounded by the surrounding wall 11a. The released contents are then the cap body

Although it flows out of 11, the spray does not scatter directly out of the cap body, so it is possible to prevent a wide range of ambient air pollution and ignition.

[0032] The present invention is not limited to the above-described embodiment, and various modifications are possible. For example, the temporary holding portion 15d shown in FIG. 7 and the like can have a holding force stronger than the engagement strength between the connecting portion 17 and the stem 16 in order to enhance the holding function. Alternatively, the engagement between the connecting portion 17 and the stem 16 can be loosened. In those cases, as shown in FIG. 16, when the cap body 11 is removed from the aerosol container 10, the button 12 is also accompanied by the cap body 11 due to the engagement between the outer flange 12d and the temporary holding portion 15d, and the container 10 Come off. Therefore, in order to perform the discharging operation, the button 12 is pulled out from the cap body 11, the connecting portion 17 is engaged with the stem 16, and then either the cap body 11 or the container 10 is inverted, The operation of pressing each other is performed.

FIG. 17 shows an example in which a cap body having a shape different from that of the above embodiment is provided. This The aerosol container cap 1 ′ has a hole that penetrates the injection opening 1 lb ′ of the cap body 11 ′ and the surrounding wall 11 a ′. The hole is circular and elliptical when viewed from the front. The shape can be as follows. The operation recess 11c ′ is preferably a recess having an opening on the upper side from the viewpoint of operability because the button 10 is operated with the index finger while holding the container 10 with one hand. On the other hand, when the injection opening has a concave shape with an opening at the top, such as the aerosol container cap shown in Figs. 1 to 16, the cap body can be easily removed from the container. There is. That is, when the cap body that is externally fitted to the container clamping portion by the fitting portion is formed of a relatively thin and soft resin or the like, the cap body positioned between the injection opening and the operation recess. The cap body can be removed from the container just by holding the side wall near the top of the container with fingers and applying some force. This is because the fitting portion to the container formed at the lower end of the cap body is opened in the direction opposite to the sandwiched direction, that is, outwardly with respect to the container. Because.

FIG. 18 is a perspective view showing an aerosol injection device according to an embodiment of the present invention. The aerosol injection apparatus shown in FIG. 18 is composed of an aerosol container 10 and a cap 1. Container 10 contains paints, insecticides, fragrances, deodorizers, household cleaners, fungicides, disinfectants, pharmaceuticals, cosmetics, quasi-drugs and other propellants, liquefied propane gas, and liquefied butane gas. It contains injection gas such as alternative chlorofluorocarbon gas, high-pressure nitrogen gas, and carbon dioxide gas. Although not shown, a valve mechanism is provided inside the head region of the container 10, and one end of the valve stem biased upward protrudes along the central axis of the container 10. .

[0035] As shown in the above embodiment (see Fig. 2), this aerosol injection device is fitted to the clamped portion 10a formed on the shoulder portion of the aerosol container 10 and formed on the lower end portion of the cap body 11. The joint lid is fitted and assembled as an aerosol spray device. The state and operation when the aerosol injection device is not used, during normal use, and when the contents are discharged are as described above. The aerosol spraying device can use the aerosol container cap of the above embodiment.

[0036] The fitting portion 31 provided on the cap body is not always necessary and can be omitted. The However, when this is omitted, it is necessary to hold the aerosol container and the cap pressed by hand while discharging the contents.

[0037] In the above embodiment, the place where the fitting portion of the cap body fits when the contents are discharged is the tightening portion for mounting the valve mechanism in the mountain cap of the aerosol container. By expanding the upper end of the cap body, it is possible to provide a tightening portion for coupling the container body and the mountain cap. Also in this case, the same effect as the above embodiment can be obtained.

Brief Description of Drawings

FIG. 1 is a view showing a state when an aerosol spray device provided with a cap according to an embodiment of the present invention is not used, (a) is a perspective view, and (b) is a front view.

2 is a cross-sectional view of the aerosol injection device shown in FIG. 1, where (a) is a cross-sectional view taken along line Ila-IIa in FIG. 1 (b), and (b) is an Ilb- Sectional view along line IIb, (c) is an enlarged view of part of (b).

3 is a view showing a cap body of the cap shown in FIG. 1, wherein (a) is a perspective view seen from above, (b) is a perspective view seen from below, and (c) is a side of an operation recess. It is the rear view seen from.

4 is a cross-sectional view of the cap of FIG. 3, where (a) is a cross-sectional view taken along line IVa-IVa in FIG. 3 (c), and (b) is a cross-sectional view taken along line IVb-IVb in FIG. 4 (a). FIG.

FIG. 5 is a diagram showing the button of the cap shown in FIG. 1, (a) is a perspective view seen from above, (b) is a perspective view seen from below, (c) is a front view, (d) Is a side view.

[Fig. 6] Cross-sectional view of the button in Fig. 5, (a) is a cross-sectional view along the VIa_VIa line in Fig. 5 (c), and (b) is a cross-sectional view along the VIb-VIb line in Fig. 6 (a). is there.

FIG. 7 is a perspective view of the cap shown in FIG. 1 as viewed from below.

FIG. 8 is a diagram showing a state (injection state) during normal use of the aerosol injection device shown in FIG. 1, (a) is a perspective view, and (b) is a front view.

9 is a cross-sectional view of the aerosol injection device shown in FIG. 8, where (a) is a cross-sectional view taken along line IXa-IXa in FIG. 8 (b), and (b) is IXb-IXb in FIG. 9 (a). It is sectional drawing which follows a line.

FIG. 10 is a view showing an example of an operation for discharging the contents of the aerosol injection device shown in FIG. 1, and is a perspective view showing a state in which the cap body is removed from the container. 11] FIG. 11 is a view showing the discharging operation following FIG. 10, wherein (a) is a perspective view showing a state where the container and the button are applied to the cap body, and (b) is a state where the container is pressed against the cap body. FIG.

FIG. 12 is a cross-sectional view of the state shown in FIG. 11 (b), (a) is a cross-sectional view taken along line XIIa_XIIa in FIG. 11 (b), and (b) is a Xllb-XIIb line in FIG. 12 (a). FIG.

13] FIG. 12 is a view showing the discharging operation following FIG. 11, and is a perspective view showing a state where the container is removed from the cap body after discharging.

14] FIG. 14 is a perspective view showing a case where the same operation as in FIG. 13 is performed on another form of the cap according to the present invention.

15] A diagram showing another example of the contents discharge operation of the aerosol injection device shown in FIG. 1, wherein (a) is a perspective view showing a state in which the cap body is pressed against the container, and (b) is a discharge. FIG. 5 is a perspective view showing a state where the cap body is removed from the container force later.

FIG. 16 is a perspective view showing a state in which the cap body is removed from the container for the discharging operation in still another embodiment of the cap according to the present invention.

FIG. 17] A perspective view of an aerosol spray device provided with a cap according to another embodiment of the present invention.

18] A perspective view showing an aerosol injection device according to an embodiment of the present invention.

Explanation of symbols

I, 1 'aerosol container cap

10 Aerosol container

I I, 11, cap body

11a Go wall

l ib Injection opening

11c Recess for operation

l id Mating part

12 button

12a injection nozzle

12b wall c Upper wall

d Outer flange a Clamping part a Clamping part c Mountain cap Button mounting part a Cylindrical part b Inner flange

Noreb stem connection space

Fitting part

Claims

The scope of the claims

[1] An aerosol container cap comprising a cap body attached to an aerosol container and a button attached to the valve stem of the aerosol container,

The cap body includes a surrounding wall that surrounds the button when mounted on the aerosol container, and the surrounding wall includes a fitting portion for mounting on the aerosol container, and an injection opening. An operation recess for receiving a finger, and a button mounting portion to which the button is mounted,

The button includes an upper wall that receives a push-down operation with a finger, a peripheral wall that extends downward from the upper wall, an outer flange that protrudes radially outward from the peripheral wall, and a connection that is fitted to the valve stem of the aerosol container. And an injection nozzle for injecting the contents of the aerosol container through the connection part,

The button mounting portion includes a cylindrical portion that guides the button in the vertical direction, and an inner flange that protrudes radially inward from the cylindrical portion at a position above the outer flange of the mounted button, The button is housed so that it can be pulled out downward,

The outer flange and the inner flange are in contact with each other in a state where one of the aerosol container and the cap body approaches the other in an inverted state and is separated by at least a stem push-down distance for injection. The injection opening is located at a position facing the injection nozzle in a non-use state and a normal injection state, and the container from the injection nozzle is in contact with the outer flange and the inner flange in the inverted state. An aerosol container cap formed so as to be positioned on the main body side.

[2] In the upright state of the cap body, the distance from the upper end of the inner flange to the lower end of the fitting portion is such that the upper end of the outer flange in the button at the time of contents injection is from the mountain of the aerosol container. The aerosol container cap according to claim 1, wherein the cap is equal to a distance to a lower end of the tightening portion of the cap.

[3] An aerosol injection device, wherein the aerosol container including the content for injection is attached with the cap according to claim 1 or 2.