JP4091164B2 - Method for producing aerosol container with storage room - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
This invention is a a housing chamber aerosol container main body are connected, those concerning the manufacturing process of the aerosol container with storage compartment.
[0002]
[Prior art]
Conventionally, an aerosol container containing a foam hair conditioner is sold as a comb attached to the side surface of the aerosol container body or the head as an accessory. In addition, when using this foamy hair barber, if other hair barbers must be used at the same time, these barbers are stored in separate aerosol containers and displayed in stores, etc. In some cases, these two aerosol containers were displayed separately side by side.
[0003]
[Problems to be solved by the invention]
However, in such an invention, a comb or the like must be attached to the outside of the head of the aerosol container body or the outside of the body side of the aerosol container, etc. In the case where an extra area is required and the number of displays is large, there is a disadvantage that a larger space is required.
[0004]
The present invention has such has been made in view of the conventional problem, look good in case of display, and to provide a method for manufacturing an aerosol container with a built-in storage compartment which does not require a display area Objective.
[0005]
[Means for Solving the Problems]
In order to solve this problem, the solution means corresponding to the invention described in claim 1 includes an impact process in which impact slag is impact-molded to form a bottomed cylindrical container, and the bottomed cylinder following the impact process. Necking step of squeezing the mouth portion of the cylindrical container and forming a bead portion at the tip thereof, and subsequent to the necking step, a reverse squeezing process is performed in which the bottom portion of the bottomed cylindrical container is pushed inward by a reverse squeezing punch. The squeezing step consists of a squeezing step, and the reverse squeezing step supports the vicinity of the outer periphery from the upper end of the body portion, which is squeezed by the necking step, to the bead portion at the tip, by a support tool along the outer peripheral shape, and has a bottomed cylindrical shape. has a central protrusion to push the bottom of the vessel inward, the disposed apart from the central projecting portion, a guide portion Ru extending from the proximal end side of the central projecting portion to near the middle of the projecting direction With drawing punch, the outer peripheral wall of the housing chamber is formed by the central projecting portion, a method of manufacturing the aerosol container with storage chamber performed by guiding the side surface of the barrel by the guide portion.
[0006]
Next, solutions corresponding to the invention of claim 2, wherein, after the impact step is a method for producing an aerosol container with storage chamber for performing the inner surface painting process.
[0007]
According to a third aspect of the present invention, there is provided an ironing punch having a step with a small diameter at the tip and a large diameter at the base between the impact process and the necking process, and a die corresponding thereto. And a method of manufacturing an aerosol container with a storage chamber that performs a squeezing and squeezing process in which a squeezing and squeezing process is performed so that a thick step is formed in a body portion of the bottomed cylindrical container .
[0008]
Further, the solving means corresponding to the invention of claim 4 is a method of manufacturing an aerosol container with a storage chamber, wherein an inner surface painting step is performed after the drawing and ironing step .
[0009]
Moreover, solutions corresponding to the invention of claim 5, wherein, after said reverse drawing step, a manufacturing method of the housing chamber with an aerosol container to form an engagement groove on the outer peripheral wall of the housing chamber.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings. Figure 1 shows a first embodiment by manufactured housing chamber with aerosol containers of the manufacturing method of the present invention, the aerosol container main body 1, and the storage room 2 is integrally molded, the housing chamber that contiguous This is an aerosol container. In the aerosol container with storage compartment, the wall thickness of the aerosol container main body 1 and the housing chamber 2, and a thickness substantially equal. The manufacturing method is such that a bead portion 3 is formed by necking an opening of a bottomed cylindrical container manufactured by a conventionally known impact molding method, and then the bottom of the aerosol container body 1 is reversed. The storage chamber 2 is formed in the aerosol container body 1 by drawing. In addition, since the aerosol container body 1 and the storage chamber 2 are continuous by integral molding, the aerosol container state with a storage chamber is compared with the wound container type aerosol container with a storage chamber shown in FIG. There is an advantage that the contents do not leak.
[0014]
FIG. 2 shows an aerosol container with a storage chamber outside the scope of the present invention , in which the aerosol container body 4 and the storage chamber 5 are separately formed and later wound together. The wall thickness of the aerosol container body 4 and the storage chamber 5 may be the same or different. In the manufacturing method of this embodiment, the bottom of a bottomed cylindrical aerosol container body manufactured by a conventionally known impact molding method is cut to form an edge for winding, and the other opening is necked. Thus, the bead portion 6 is formed. Then, a metal plate is drawn separately, and the edge portion 7 of the storage chamber 5 formed in a cup shape is fastened and fixed below the trunk portion of the aerosol container body 4.
[0015]
FIG. 3 shows an aerosol container with a storage chamber manufactured according to the second embodiment of the manufacturing method of the present invention . The bead portion 11 and the upper portion 12 of the aerosol container 10 are formed thin, and This is an aerosol container with a storage chamber in which the base portion 13 and the top surface portion 15 and the outer peripheral wall 16 of the storage chamber 14 continuous thereto are formed thick. The feature of this embodiment is that the body upper part 12 of the aerosol container body 10 is formed thin, and the body base 13 and the storage chamber 14 are formed thick. Conventionally, when processing an aerosol container, it is known that a certain load or more is applied in the axial direction. In order to withstand this axial load, when the entire body and bottom are formed thick, there is a disadvantage that the material is wasted more than necessary.
[0016]
On the contrary, in order to save material, if the whole body part and the bottom part are formed thin, when the bead part is processed and the aerosol valve is clinched, the bottom part of the aerosol container body 10 is caused by the axial load. There was a problem that the neighborhood buckled. In this embodiment, the inventors have formed the barrel base 13 that is heavily loaded in the axial direction with a thick wall, and the barrel upper portion 12 where the other axial loads do not significantly affect the barrel. , paying attention to the point that it is possible to save material of the aerosol container body 10, it was devised a method of manufacturing the housing chamber with an aerosol container. Specifically, it is desirable that the thickness of the thin upper portion 12 of the barrel portion 12 is reduced in the range of 70% to 95% with respect to the thickness of the thick barrel base portion 13. The wall thickness of the storage portion 14 is substantially the same as or slightly thicker than that of the trunk portion base portion 13. For example, in the case of an aerosol container having an outer diameter of 40φ, the thickness of the upper part of the trunk is 0.35 mm, and the thickness of the trunk base 13 is 0.45 mm (thickness of the upper part of the trunk / thickness of the trunk base × 100 It has been found that by being molded to approximately 78%, it can sufficiently withstand the axial load applied during processing.
[0017]
FIG. 4 shows an aerosol container with a storage chamber manufactured by the third embodiment of the manufacturing method of the present invention, which is formed in the aerosol container body 10 manufactured by the second embodiment according to this application. An engagement groove 17 is formed in the outer peripheral wall 16 of the storage chamber 14. As shown in FIG. 11, a convex portion of the bottom lid 33 is fitted into the engagement groove 17 in order to seal the article stored in the storage chamber 14.
[0018]
5-9 is drawing which showed the manufacturing process of the aerosol container main body 10 which concerns on 2nd Embodiment. FIG. 5 is a cross-sectional view when the bottomed cylindrical container 20a is formed by impact molding of aluminum slag in the impact process. As for the thickness of the bottomed cylindrical container 20a formed in this process, all portions are formed to be substantially the same thickness, or the bottom portion 19 is configured to be slightly thicker than other portions.
[0019]
Next, FIG. 6 is a cross-sectional view showing a state where the bottomed cylindrical container 20a formed in FIG. That is, an ironing punch 22 having a step 21 composed of a large-diameter portion (X) and a small-diameter portion (Y) is inserted into the inner surface of the bottomed cylindrical container 20a from above and between the die 23. This is used for drawing and ironing. A feature of the manufacturing process shown in FIG. 6 is that a bottomed cylindrical container 20a having a barrel upper portion 12 and a barrel lower portion 18 that are partially thick and thin using an ironing punch 22 having a step 21. Is molded. In this step, the die ring 23 is subjected to drawing and ironing with the ironing punch 22 having the step 21 using the die 23 conventionally used for drawing and ironing. And finally, as shown in FIG. 7, the trunk | drum upper part 12 is formed thickly, and the trunk | drum lower part 18 is formed thinly. In addition, the level | step difference 21 can be formed in the arbitrary positions of the can length of the bottomed cylindrical container 20a. That is, it can be determined according to the height of the storage chamber 14.
[0020]
Next, FIG. 8 is a cross-sectional view showing the aerosol container body 20 when the bead portion 24 is applied to the mouth portion by necking. In this process, in order to adjust the height of the aerosol container body 20, the opening end of the aerosol container body 20 is trimmed and trimmed, and then the cleaning process, the internal coating process, and the printing process are performed. The bead portion 24 is formed by necking the mouth portion. Note that the order of the trimming process, the cleaning process, the inner surface coating process, and the printing process is not limited to the order described above, and can be changed as appropriate.
[0021]
FIG. 9 is a cross-sectional view illustrating a process of reverse-drawing the aerosol container body 20 after undergoing the above-described trimming process, cleaning process, inner surface coating process, printing process, and necking process. The aerosol container main body 20 is fitted to the support 26, and the bottom 19 is pushed into the inside of the aerosol container main body 20 by the reverse drawing punch 25 to perform reverse drawing processing. At this time, the central projecting portion 25a of the reverse drawing punch 25 pushes the bottom portion 19 to form the storage chamber 14, and the side portion of the aerosol container body 20 is guided by the surrounding guide portion 25b. Is given.
[0022]
Next, specific examples of the aerosol container with a storage chamber are shown in FIGS. FIG. 10 is a cross-sectional view in which another aerosol container 30 is inserted into the storage chamber 14 formed in the aerosol container body 20. When displaying in a store or the like, hair hair conditioners, cosmetics, and the like used at the same time may be integrated and displayed in the storage chamber 14 of the aerosol container body 20 with the other aerosol container 30 inserted. it can.
[0023]
Further, FIG. 11 shows a specific embodiment in which a substance different from the substance stored in the aerosol container body 20 is stored in the storage chamber 14. For example, it is drawing which shows the Example in which the comb 32 was accommodated. A bottom lid 33 is locked and fixed to the opening of the storage chamber 14 by an engagement groove 17. In addition to combs, it is also possible to store creamy cosmetics or the like, or a heating element (chemical substance) for heating the contents stored in the aerosol container body 20.
[0024]
【The invention's effect】
As described above, according to the present invention, since the storage chamber is provided in the aerosol container main body, when displaying in a store or the like, the display has a good appearance and the display area is not required.
[Brief description of the drawings]
FIG. 1 is a front sectional view showing an aerosol container with a storage chamber manufactured according to a first embodiment of the manufacturing method of the present invention.
FIG. 2 is a front sectional view showing an aerosol container outside the scope of the present invention.
FIG. 3 is a front cross-sectional view showing an aerosol container with a storage chamber manufactured by a second embodiment of the manufacturing method of the present invention.
FIG. 4 is a front sectional view showing an aerosol container with a storage chamber manufactured according to a third embodiment of the manufacturing method of the present invention.
FIG. 5 is a front sectional view showing a bottomed cylindrical container formed by impact molding in the manufacturing method according to the present invention.
FIG. 6 is a front sectional view showing a state in which a bottomed cylindrical container subjected to impact molding is subjected to drawing ironing in the manufacturing method according to the present invention.
FIG. 7 is a front cross-sectional view showing a bottomed cylindrical container in which the thickness obtained by drawing and ironing is partially thickened in the manufacturing method according to the present invention.
FIG. 8 is a front cross-sectional view in which a bead portion is formed in the mouth portion of a bottomed cylindrical container in which the thickness is partially reduced in the manufacturing method according to the present invention.
FIG. 9 is a front cross-sectional view showing a state in which reverse drawing is applied to the bottom of an aerosol container that is partially thickened in the manufacturing method according to the present invention.
FIG. 10 is a partially cutaway sectional view showing a state in which another aerosol container is inserted into the storage chamber of the aerosol container with storage chamber according to the present invention.
FIG. 11 is a cross-sectional view showing a state in which a comb is stored in a storage chamber of an aerosol container with a storage chamber according to the present invention.
[Explanation of symbols]
1, 4, 10, 20 Aerosol container main body 2, 5, 14 Storage chamber 3, 6, 11, 24 Bead part 12 Body upper part 13 Body part base 15 Top surface part 16 Outer peripheral wall 17 Engaging groove 19 Bottom part 20a Bottomed cylinder Shaped container 21 Step 22 Ironing punch 23 Die 25 Reverse drawing punch
26 support 30 another aerosol container

Claims (5)

An impact process in which impact slag is molded by impact molding to form a bottomed cylindrical container;
Following the impact process, the neck of the bottomed cylindrical container is squeezed, and a necking process for forming a bead part at the tip thereof,
Subsequent to the necking step, the bottom portion of the bottomed cylindrical container comprises a reverse drawing step of performing a reverse drawing process of pushing the bottom portion inward by a reverse drawing punch,
The reverse squeezing step supports the vicinity of the outer periphery from the upper end of the trunk portion narrowed down by the necking step to the bead portion at the tip by a support tool along the outer peripheral shape,
A central projecting portion to push the bottom of the bottomed tubular container inside, are spaced apart with a central projecting portion, a diaphragm the reverse and a guide portion which Ru extending from the proximal end side of the central projecting portion to near the middle of the projecting direction Using a punch,
The manufacturing method of the aerosol container with a storage chamber performed by forming the outer peripheral wall of a storage chamber with the said center protrusion part, and guiding the side part of a trunk | drum with the said guide part.   The manufacturing method of the aerosol container with a storage chamber of Claim 1 which performs an inner surface coating process after the said impact process. Between the impact process and the necking process,
Using an ironing punch having a small step at the tip and a large step at the base and a die corresponding thereto, the ironing process is performed so that a thick step is formed on the barrel of the bottomed cylindrical container. The manufacturing method of the aerosol container with a storage chamber of Claim 1 which performs the squeezing and ironing process which performs.   The manufacturing method of the aerosol container with a storage chamber of Claim 3 which performs an inner surface coating process after the said drawing ironing process.   The manufacturing method of the aerosol container with a storage chamber of Claim 1, 2, 3 or 4 which forms an engaging groove in the outer peripheral wall of a storage chamber after the said reverse throttle process.

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