JP2007176524A - Overcap for aerosol container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To propose an overcap which can exhaust all the remaining gas by stably keeping a pushing-in posture of a pressing tongue piece and surely pressing a nozzle head. <P>SOLUTION: The overcap 4 which freely removably engages an annular edge formed on a mounting cup 1 of an aerosol container and stores the nozzle head 3 inside, is composed of a top face wall 4a positioned on the top face of the nozzle head 3 and a peripheral wall 4b integrally connected with the edge of the top face wall 4a, surrounding the nozzle head 3 and forming a storing space inside. The top face wall 4a is provided with a cantilever supporting type pressing tongue piece 5 which is partitioned and formed by a predetermined breaking line and enables forcing-in using the base part 5a as a starting point. In addition, the storing space M incorporates a stopper 6 locking the pressing tongue piece 5 which is going to press and making its tip orient toward the nozzle head 3. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an overcap for an aerosol container, and is intended to realize safer disposal by reliably discharging gas remaining in a used aerosol container from the container.

  In the aerosol container, even after the contents in the container have been used up, the gas for injecting the contents remains in the container, and when disposing of the container, a hole is left in the container from the viewpoint of safety. It was normal to release all the gas.

  By the way, such a drilling operation is time-consuming and the container is discarded without releasing the residual gas, so there is still room for improvement in this regard.

As a prior art related to the aerosol container, a tear line is provided in the body of the cap to cut the body in the circumferential direction. An aerosol container cap that releases gas remaining in the container by being pressed has been proposed (see, for example, Patent Document 1).
JP 2004-315011 A

  However, with the conventional cap as described above, the posture of the belt-shaped portion that presses the nozzle button may become unstable, and the development of a mechanism that can reliably press the nozzle head until the residual gas is completely discharged is desired. It was rare.

  An object of the present invention is to propose a novel aerosol container overcap capable of reliably releasing the residual gas in the container by a simple operation.

The present invention is an overcap that detachably engages with an annular edge formed on a mounting cup of an aerosol container and houses a nozzle head inside,
A top wall located on the top surface of the nozzle head, and a peripheral wall integrally connected to the edge of the top wall and surrounding the nozzle head to form a storage space inside the nozzle head;
Provided on the top wall with a cantilever-type pressing tongue piece that is partitioned by a planned breaking line and that allows pushing from its base.
The overcap is characterized in that a stopper is provided in the storage space for locking the pressing tongue piece that is pushed in and directing its tip toward the nozzle head.

  In the overcap configured as described above, the stopper is preferably a pair of locking pieces for holding the pressing tongue piece at both side edges. In addition, the stopper is provided with a groove provided integrally on the back surface of the pressing tongue piece and a convex portion provided on at least one of the back surface of the top wall and the back surface of the peripheral wall and fitted into the groove portion when the pressing tongue piece is pressed. You can also.

  The planned fracture line can be configured with a slit that penetrates the front and back of the top wall or a groove with a thin groove bottom. When the planned fracture line is a slit, the pressing tongue piece and the top wall are mutually connected. It is preferable to provide one or two or more bridge pieces that connect each other in a breakable manner.

  Since the stopper which can maintain the pushing posture when the pushing tongue piece is pushed in is provided, the nozzle head can be surely pushed.

Hereinafter, the present invention will be described more specifically with reference to the drawings.
FIG. 1 is an external perspective view of an overcap according to the present invention, FIG. 2 is a cross-sectional view of its side, and FIG. 3 is a plan view thereof.

  In the figure, 1 is a mounting cup of an aerosol container, 2 is a stem for ejecting the contents in the aerosol container, and 3 is a nozzle head attached to the stem 2 (see FIG. 2).

  Reference numeral 4 denotes an overcap that detachably engages with an annular edge formed on the mounting cup 1 by an engagement means C such as an undercut and accommodates the nozzle head 3 inside.

  The overcap 4 is integrally connected to the top surface wall 4a located at a distance from the top surface 3a of the nozzle head 3 and the edge of the top surface wall 4a so as to surround the nozzle head 3 and to enclose a storage space M therein. It consists of a peripheral wall 4b to be formed.

  Reference numeral 5 denotes a cantilever-supporting type pressing tongue piece that is partitioned and formed with slits S penetrating on the front and back surfaces of the top wall 4a as planned break lines. The pressing tongue piece 5 can be pushed in from the base portion 5a.

  Reference numeral 6 denotes a stopper provided in the storage space M (see FIG. 2). This stopper 6 has two sets of two vertical ribs (locking pieces) 6a and 6b arranged at a distance from each other at opposite positions, and the edge of the pressing tongue piece 5 for pushing is formed on the vertical ribs 6a and 6b. They are positioned between each other (sandwiched), and their tips are directed toward the top surface of the nozzle head 3 (see FIGS. 4 and 5). Furthermore, 7 is a bridge piece that connects the pressing tongue piece 5 and the top wall 4a so as to be able to be torn off.

  After the contents are used up, the pressing tongue 5 is pushed from the state shown in FIG. 1 to the state shown in FIGS. 4 and 5 to attach the overcap 4 to the mounting cup 1, or the overcap 4 is attached to the mounting cup 1. When the pressing tongue piece 5 is pushed in after being mounted, the nozzle head 3 is held in a pressed state, and the gas remaining in the container is released to the outside through an opening opened by the pushing of the pressing tongue piece 5. Will be.

  6 and 7 show another embodiment of the overcap according to the present invention. In the figure, reference numeral 8 denotes a block integrally provided on the back surface of the pressing tongue piece 5, and a groove 8 a is formed in the block 8. Reference numeral 9 denotes a vertical rib integrally formed from the back surface of the top wall 4a to the back surface of the peripheral wall 4b. A wedge-shaped convex portion 9 a is formed at the tip of the vertical rib 9.

  As shown in FIG. 8, the overcap 4 having the above-described configuration is such that the convex portion 9a of the vertical rib 9 is fitted into the groove portion 8a of the block 8 when the pressing tongue piece 5 is pushed in (see the phantom line in FIG. 7). The pressing posture of the pressing tongue piece 5 is maintained, and the nozzle head 3 can be reliably pressed.

  The grooves 8a and the protrusions 9a of the vertical ribs 9 can be provided with protrusions that cross over each other in order to achieve more reliable fitting.

  In the overcap of the type shown in FIGS. 1 to 3, the overcap shown in FIGS. 9 and 10 to which the block 8 and the vertical rib 9 as shown in FIGS. 6 to 8 are added may be employed.

  The overcap having such a structure allows the edge of the pressing tongue piece 5 to be positioned between the longitudinal ribs 6a and 6b, and the pushing posture of the pressing tongue piece 5 can be reliably maintained by the block 8 and the longitudinal rib 9. Residual gas can be reliably released by pressing the nozzle head 3.

  Although the planned fracture line is shown as the slit S, this may be a groove part with a thin groove bottom as long as it can be broken, and this point is not limited.

  An overcap that can press the nozzle head until the discharge of the residual gas is completed while maintaining the pressing posture of the pressing tongue piece can be provided.

It is an external appearance perspective view of the overcap according to this invention. It is the figure which showed the side surface of the overcap shown in FIG. 1 in the cross section. It is the figure which showed the plane of the overcap shown in FIG. It is an external appearance perspective view of the overcap which showed the state which pushed in the pressing tongue piece. It is the figure which showed the cross section of the state which pushed in the pressing tongue piece. It is the figure which showed other embodiment of the overcap according to this invention about the side surface. It is the figure which showed the plane of the overcap shown in FIG. It is the figure which showed the state which pushed in the pressing tongue piece about the overcap shown in FIG. It is the figure which showed other embodiment of the overcap according to this invention. It is the figure which showed the plane of FIG.

Explanation of symbols

1 Mounting cup 2 Stem 3 Nozzle head 4 Overcap
4a Top wall
4b Perimeter wall 5 Pressing tongue
5a Base 6 Stopper
6a Vertical rib
6b Vertical rib 7 Bridge piece 8 Block
8a Groove 9 Vertical rib
9a Convex part M Storage space C Engagement means

Claims (5)

An overcap that removably engages an annular edge formed on a mounting cup of an aerosol container and houses a nozzle head inside,
A top wall located on the top surface of the nozzle head, and a peripheral wall integrally connected to the edge of the top wall and surrounding the nozzle head to form a storage space inside the nozzle head;
Provided on the top wall with a cantilever-type pressing tongue piece that is partitioned by a planned breaking line and that allows pushing from its base.
An overcap characterized in that a stopper is provided in the housing space for locking a pressing tongue piece that is pushed in and directing its tip toward the nozzle head.   The overcap according to claim 1, wherein the stopper is a pair of locking pieces for holding the pressing tongue piece at both side edges.   The stopper includes a groove provided on the back surface of the pressing tongue piece and a convex portion provided on at least one of the back surface of the top wall and the back surface of the peripheral wall and fitted into the groove portion when the pressing tongue piece is pressed. 2. Overcap according to item 2.   The overcap according to any one of claims 1 to 3, wherein the planned breaking line is formed by a slit penetrating on the front and back of the top wall or a groove portion having a thin groove bottom.   5. The overcap according to claim 4, wherein the slit has one or two or more bridge pieces that connect the pressing tongue piece and the top wall so as to be breakable.

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