JPH08104382A - Aerosol container - Google Patents

Abstract

PURPOSE: To provide an aerosol container which is prevented from liquid drip from the outer surface of a spray opening or from the drying and hardening of the liquid product adhering to the periphery of the spray opening. CONSTITUTION: A operation button 3 is mounted to the stem 2 of a blowoff valve of an aerosol container 1 and is provided with a spray opening 7 for shooting to outside the liquid product delivered upon valve opening, a delivery flow passage 5 through which the liquid product is delivered to the spray opening 7, a spray hole made in the inner part of the spray opening 7 and a liquid return hole 12 formed in the bottom wall of the spray opening 7 matching with the outer end of the spray hole.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aerosol container, and more particularly to an aerosol container for preventing dripping after use and drying and solidification of a liquid article attached around the ejection port.

[0002]

2. Description of the Related Art Conventionally, a liquid article is stored in a pressure resistant container together with a pressurized gas, and a discharge valve attached to the container mouth is operated by an operation button connected to the valve stem to communicate with the discharge hole of the valve stem. Through the passage in the operation button,
An aerosol container adapted to be ejected from an ejection port opened on the front surface of the operation button is well known and is widely used as a distribution container for various liquid articles.

In the conventional aerosol container, since the flow path formed inside the operation button is left open to the outside at the ejection port, it remains in the flow path inside the operation button after the ejection operation of the liquid article. There is a drawback that the liquid article flows out from the ejection port to the outside, causing liquid dripping on the outer surface of the operation button, or drying and solidifying around the ejection port. Such a defect is remarkable in a liquid article having a small surface tension, good wettability of the material forming the flow path, and a small viscosity.
The liquid dripping from the ejection port to the outer surface of the liquid article may impair the appearance and become unsanitary, and the dripping liquid article may stain the user's hand or stain the area around the container. Further, when the liquid article dries and solidifies at the ejection port, the ejection port may be blocked.

[0004]

SUMMARY OF THE INVENTION The present invention provides an aerosol container for preventing liquid dripping from the outer surface of a jet outlet and drying and solidification of liquid articles attached around the jet outlet.

[0005]

Means for Solving the Problems In order to solve the above problems, the means adopted by the present invention is a liquid article which is attached to a stem (2) of a discharge valve of an aerosol container (1) and discharged when the valve is opened. Is provided with an operation button (3) having an ejection port (7) for ejecting the gas to the outside and a discharge flow path (5) leading to the ejection port (7), and an ejection hole (11) is provided inside the ejection port (7). Position the spout hole (11)
It is characterized in that a liquid return hole (12) is bored in the bottom wall of the ejection port (7) in alignment with the outer end of the liquid.

Further, an absorber (24) which absorbs and holds the liquid article flowing down from the liquid return hole (12) is attached to the aerosol container body (1).
It is characterized in that it is arranged in the mountain cup (22).

Further, a liquid return edge (8) is formed at the edge of the ejection hole (7).

Further, the operation button (3) is formed as a cylindrical body whose lower surface is released, and the released lower surface is mounted on the mountain cup (22).
It is characterized in that it is positioned above the absorber (24) inside.

Further, a mouth cover (25) is attached to the upper portion of the mountain cup (22) to cover the absorber (24) arranged in the mountain cup (22).

[0010]

The liquid article adhering to the inner peripheral surface of the ejection port or the liquid article flowing out from the ejection hole after the operation is finished flows down from the liquid return hole and is absorbed and held by the liquid absorber. Since the liquid return edge is formed at the edge of the ejection port, liquid does not drip outside from the liquid article in the ejection port. Since the liquid absorber is covered by the mouth cover, the appearance is good.

[0011]

According to the present invention, there is no risk of liquid articles dripping from the ejection port to the outside or being stored in the ejection port to be dried and solidified.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail below with reference to the drawings. In the figure, (1) is an aerosol container main body, which is composed of a container having a pressure resistant structure made of metal, for example, which can store a liquid article together with a pressurizing agent.
A discharge valve having a valve stem (2) protruding outward is attached to the mouth of the aerosol container body (1) as is conventionally known, and the discharge valve is opened when the valve stem (2) is pushed down. Then, the stored liquid article is discharged together with the pressurizing agent through the valve stem (2).

Reference numeral (3) is an operation button which is inserted into the valve stem (2) and can be used to push down the valve stem (2), and the mouth portion of the aerosol container (1) including the valve stem (2). Which has a substantially cylindrical shape capable of coating
It is formed in an arc shape to facilitate the pressing operation with a finger,
Anti-slip grooves are engraved.

At the inner center of the operation button (3), a cylindrical passage tube body (4) which opens downward is integrally provided.
The lower part is inserted and connected to the valve stem (2). A discharge flow path communicating with the valve stem (2) in the passage tube (4)
(5) is formed, and the discharge flow path (5) has a discharge port (5) which is opened toward the side of the operation button (3) through a discharge hole (6) formed on the upper side thereof. It communicates with 7). Spout
(7) is formed to have a slightly larger diameter so that it does not hinder the ejection of the liquid article radially ejected from the ejection holes described later, and the inner surface of the mouth is formed with a tapered surface (9). A liquid return edge (8) is formed around it.

A break-up member (1) capable of accelerating the flow velocity of the discharged liquid article and ejecting it in a mist state in the ejection port (7)
0) is closely inserted, the inner end surface of the break-up member (10) is in contact with the discharge hole (6), and the outer end surface faces the opening of the ejection port (7). A small-diameter ejection hole (11) is bored in the center of the outer end surface of the break-up member (10). The break-up member (10) has a depth dimension that is slightly smaller than the depth dimension of the ejection port (7), and the front surface of the break-up member (10) is positioned inside the ejection port (7) and is positioned deep inside the ejection port (7). A liquid return hole (12) is bored in the bottom wall of the ejection port (7) in alignment with the outer end surface of the member (10).

The liquid return hole (12) forms a space (13) between the outer end surface of the break-up member (10) and the opening edge (8) of the jet outlet (7) inside the operation button (3) (14). ), The liquid article in the space (13) flows into the operation button (3) through the liquid return hole (12) and flows down from the open lower surface of the operation button (3).

As shown in FIGS. 2 to 8, the break-up member (10) arranged in the ejection port (7) is a cylindrical member (15) fitted and fixed in the ejection port (7). , A cylindrical member (1) which is inserted into the cylindrical member (15) while holding a small clearance (17).
6) and the cylindrical member (15) is a cylindrical body whose outer end face is closed and whose inner end face is open. A claw portion (18) is provided on the outer peripheral face so as to project inside the ejection port (7). It is locked and fixed on the peripheral surface. The ejection hole (11) is bored in the center of the closed outer end surface, and the inner surface of the outer end surface has a spiral ejection path (1) as shown in FIG.
9) is formed. Further, on the inner peripheral surface of the cylindrical member (15), a plurality of ridges (20) for maintaining a gap (17) between the cylindrical member (16) and the cylindrical member (16) are extended in the axial direction. A spiral groove (21) as shown in FIGS. 4 and 5 is formed on the inner rear surface of the ejection port (7) with which the cylindrical member (16) abuts, and the ejection hole is formed at the center of the spiral groove (21).
(6) is positioned. The liquid article discharged from the ejection hole (6) reaches the spiral ejection path (19) through the gap (17) while being rotated in the circumferential direction through the spiral groove (21).
Here, it is further rotated and ejected from the ejection hole (11). Due to the rotation provided in the outflow path of the liquid article and the improvement of the flow velocity due to the narrow gap (17), the ejection port (1
Fine atomization is achieved when ejected from 1).

9 to 11 show another modification of the break-up member, in which the cylindrical member (16) is integrally formed with the push button (3), and the liquid article is a spiral of the inner surface of the cylindrical member (15). It is designed to be provided only by the squirt channel (19). The other points are substantially the same as those shown in FIGS.

Reference numeral (22) is a mountain cup for closing the mouth of the aerosol container body (1) and mounting a discharge valve, and as shown in the figure, a horizontal discharge for mounting and reinforcing the discharge valve. A concave groove (23) is formed on the peripheral edge of the valve mounting portion to have a concave shape. The mountain cup (22) having such a structure is conventionally known as a mouth structure of an aerosol container, but in the present invention, the liquid absorber (2
4) is arranged so that the liquid article flowing down from the liquid return hole (12) is absorbed and held. Reference numeral (25) is a mouth cover, which is attached to the upper surface of the mountain cup (13) as necessary to hide the liquid absorber (24). When the upper surface of the operation button (3) is pressed with a finger and the operation button (3) is pushed down, the valve stem (2) is pressed down together with the operation button (3), the discharge valve is opened, and the liquid article is Discharge with the pressurizing agent. The discharged liquid article is
The break-up member (10) enters the break-up member (10) from the discharge hole (6) through the discharge flow path (5) in the operation button (3) and is ejected from the ejection hole (11) while being given a rotation and a flow velocity. The liquid product ejected from the ejection hole (11) spreads radially while atomizing,
It is jetted out from (7) and used. The liquid articles that spread radially and are ejected adhere to the inner peripheral surface of the ejection port (7), but the adhered liquid articles are ejected by the liquid return edge (8).
It is prevented from returning to the inside of (7) and flowing out to the outer surface, flowing down from the liquid return hole (12), and absorbed by the absorber (24).
Further, after the ejection is completed, the liquid article flowing out from the ejection hole (11) also flows down from the liquid return hole (12) and is absorbed by the liquid absorber (24).

The liquid absorber (24) is not particularly limited as long as it can quickly absorb and hold liquid articles such as sponge, cloth, non-woven fabric and paper.

[Brief description of drawings]

[Fig. 1] Vertical sectional view

FIG. 2 is an enlarged vertical sectional view of a main part.

FIG. 3 is a front view of the spiral groove.

FIG. 4 is a perspective view of a spiral groove.

FIG. 5 is an exploded perspective view of a breakup member.

FIG. 6 is a vertical sectional view of a cylindrical member.

FIG. 7 is a front view of the spiral ejection passage.

FIG. 8 is a perspective view of a cylindrical member.

FIG. 9 is a vertical cross-sectional view of a main part including a break-up member of another modification.

FIG. 10 is a longitudinal sectional view of the cylindrical member of the same modification.

FIG. 11 is a front view of the modified spiral ejection passage.

[Explanation of symbols]

 (1) Aerosol container body (2) Valve stem (3) Operation button (4) Passage cylinder (5) Discharge passage (6) Discharge hole (7) Jet port (8) Liquid return edge (9) Tapered surface ( 10) Breakup member (11) Jet hole (12) Liquid return hole (13) Space (14) Inside of operation button (15) Cylindrical member (16) Cylindrical member (17) Gap (18) Claw (19) Spiral outlet (20) Ridge (21) Spiral groove (22) Mountain cup (23) Recessed groove (24) Liquid absorber (25) Mouth cover

Claims (5)

[Claims] 1. An ejection port (7) which is attached to a stem (2) of an ejection valve of an aerosol container (1) and ejects a liquid article ejected when the valve is opened to the outside, and an ejection which leads to the ejection port (7). Channel
(5) is provided with an operation button (3), the ejection hole (11) is positioned inside the ejection port (7), and the ejection port (7) is aligned with the outer end of the ejection port (11). An aerosol container having a liquid return hole (12) in the bottom wall. 2. An absorber (24) for absorbing and holding a liquid article flowing down from a liquid return hole (12) is arranged in a mountain cup (22) of an aerosol container body (1). The aerosol container according to claim 1, wherein 3. The aerosol container according to claim 1, wherein a liquid return edge (8) is formed at the edge of the ejection hole (7). 4. The operating button (3) is a cylindrical body having a lower surface opened, and the released lower surface is positioned above the absorber (24) in the mountain cup (22). The aerosol container according to (1). 5. The mountain cup (22) is provided with a mouth cover (25) on an upper portion thereof and is covered with an absorber (24) arranged in the mountain cup (22). ) Or
The aerosol container according to (4).