JP4865277B2 - Process for producing patterned container and patterned container obtained thereby - Google Patents

Description

  The present invention relates to a method for producing a patterned container in which a fine linear pattern is formed on the surface of the member, and a patterned container obtained thereby.

  2. Description of the Related Art Conventionally, it has been widely practiced to increase added value by imparting a concavo-convex pattern or a colored pattern to a plastic container or the like, or to increase the advertising effect by adding a brand name. For example, in a cosmetic container as shown in FIG. 5, an example in which a fine linear concavo-convex pattern 11 is raised on the surface of the plastic cap 10 can be given.

Such a fine concavo-convex pattern is usually imparted to a plastic molded product by forming a concavo-convex pattern on the molding die by an etching method or the like, and providing the concavo-convex pattern simultaneously with the molding of the entire shape Is common (see Patent Document 1).
JP 2003-39440 A

  However, since the etching method is a method in which the metal is partially dissolved by a chemical reaction, the control thereof is very difficult, and the finer the uneven pattern, the greater the burden in terms of cost and labor. There is a problem. In addition, the fine concavo-convex pattern formed by the etching method also has a problem that the concavo-convex pattern is likely to be unclear at the time of demolding unless it is sufficiently polished.

  The present invention has been made in view of such circumstances, and is an excellent process for producing a patterned container capable of imparting a fine linear pattern to a container surface simply and clearly, without depending on an etching method or the like. Another object of the present invention is to provide a patterned container obtained thereby.

In order to achieve the above object, the present invention provides a method for producing a container in which a fine linear pattern is formed in a convex shape or a concave shape on the surface of at least a part of a member constituting the container, A member formed by a molding die is prepared , and ink is applied to the surface of the member with a width of 0.1 mm. 1 to 1 . 0 mm, printed so as to be linear pattern height differences 0.01 5 ~0.0 2 mm, then the entire print surface, and coated with a metallic thin film layer having a thickness 0.004～0.1Mm, the The first gist is a method for producing a patterned container in which the irregularities of the linear pattern below the metal thin film layer surface.

In particular, the present invention is selected from the group consisting of polyester ink, acrylic ink, vinyl ink, vinyl chloride / vinyl acetate ink, epoxy ink, and urethane ink, among others. the method of at least one container with the pattern to use of the ink as a second aspect, the formation of the upper Kikin genus thin layer, vacuum deposition, electrostatic coating, electrodeposition coating, sputtering, plating, hot stamping, transfer The manufacturing method of the patterned container made by any of the above is a third gist.

  And this invention makes the 4th summary the patterned container obtained by the manufacturing method of the patterned container which is either the said 1st-3rd summary.

That is, according to the method for producing a patterned container of the present invention, it is not necessary to form a fine linear pattern on a molding die by etching or the like, and a beautiful linear pattern can be easily formed at low cost . It can be applied to the surface of the container member shaped by the mold . And since the said beautiful linear pattern is protected by the metal thin film layer, it is not worn out, damaged or soiled over time, and can maintain a good state over a long period of time. In addition, since the design change of the linear pattern only needs to change the pattern formed with ink by printing, the container with the linear pattern according to the customer's needs can be delivered in a short period of time. ,Are better.

In the present invention, in particular, the ink is at least one selected from the group consisting of polyester ink, acrylic ink, vinyl ink, vinyl chloride / vinyl acetate ink, epoxy ink, and urethane ink. Those using two inks, even when the printed ink layer is covered with a metal thin film layer, the unevenness due to the ink layer collapses and the linear pattern becomes unclear, etc. A clear line pattern can always be obtained.

Moreover, among the present invention, in particular, the formation of the upper Kikin genus thin layer, vacuum deposition or the like, having been subjected to a predetermined method, not only the bonding between the ink layer and the metal thin film layer becomes firm, The rise and fall of the unevenness is clear, and the state of the linear pattern can be well maintained over a longer period.

  Next, the best mode for carrying out the present invention will be described. However, the present invention is not limited to this embodiment.

  FIG. 1 is a perspective view of a compact container that is the best mode for carrying out the present invention, and FIG. 2 is a sectional view taken along line XX ′. In these drawings, reference numeral 1 denotes a main body portion, and a cosmetic material such as a foundation is accommodated and held in a concave portion 2 provided on the left side toward the inside thereof. Further, a puff for applying cosmetics to the skin is accommodated and held in the recess 3 provided on the right side. The lid 4 that covers the upper opening of the main body 1 is hinged to the main body 1 and opens upward as indicated by the chain line in FIG. Reference numeral 5 denotes a mirror attached to the inner surface of the lid 4.

  The entire upper surface of the lid 4 is covered with an aluminum thin film layer 6, and a fine linear pattern P designed with olive branches is formed on the surface in a state in which the linear portion protrudes into a convex shape. Has been. However, in the cross-sectional view of FIG. 2, the size of the cross section of the linear pattern P is exaggerated.

  The linear pattern P is formed as follows. That is, first, as shown in FIG. 3A, the ink layer 7 that forms the linear pattern P is printed by pad printing on the upper surface of the lid body 4 shaped as a whole. Then, in a state where the ink layer 7 is sufficiently solidified, aluminum is vacuum-deposited on the upper surface of the lid 4 on which the printing has been performed to form the aluminum thin film layer 6.

  As shown in FIG. 3B, the surface of the aluminum thin film layer 6 obtained in this way has a portion where the ink layer 7 is formed below it, which rises higher than the other portions. The linear pattern P by 7 appears to float up as it is. And this linear pattern P looks as if it was shaped on the surface of the aluminum thin film layer 6 later, and is beautiful and interesting.

  According to the above manufacturing method, it is not necessary to mold and mold the concave body for shaping the linear pattern P on the mold for shaping the lid body 4 by etching or the like, and at low cost. A beautiful linear pattern P can be easily applied to the surface of the lid 4. And since the said beautiful linear pattern is protected by the aluminum thin film layer 6, it is not worn out, damaged or soiled with time, and can maintain a good state over a long period of time. In addition, the design change of the linear pattern P can be performed at low cost and in a short period of time because it is sufficient to change the print pattern by pad printing.

  In the above example, the printing for forming the ink layer 7 is not limited to pad printing, and any printing is possible as long as a fine linear pattern can be printed. For example, silk (screen) printing, gravure printing, or the like may be used.

  Also, the ink used for the pad printing is not particularly limited, and examples thereof include polyester ink, acrylic ink, vinyl ink, vinyl chloride / vinyl acetate ink, epoxy ink, and urethane ink. It is done. These may be used alone or in combination of two or more. However, as in the above example, when the thin film layer is formed at a high temperature, such as when the aluminum thin film layer 6 is formed by vacuum deposition of aluminum, the ink layer 7 forming the linear pattern P is softened and loses its shape. It is desirable to select an ink having excellent heat resistance so that it does not occur.

The “line” of the linear pattern P formed by the ink layer 7 has a width of 0. 1 to 1 . 0mm, it must be the height 0.01 5 ~0.0 2 mm. When the line width is less than 0.05 mm, it is difficult to make the linear pattern P appear on the surface of the thin film layer 6. On the contrary, when the line width exceeds 3.0 mm, a molding die is used. Less superior than shaping. Further, when the line height is less than 0.01 mm, it is difficult to make the linear pattern P appear on the surface of the thin film layer 6. On the contrary, when the line height exceeds 0.03 mm, the thin film layer There is a problem in that the linear pattern P is liable to collapse during the formation of 6, and the finish is poor.

Therefore, the Among them, the width of the line 0.1 to 1.0 mm, is possible to set the height of the lines 0.015～0.02Mm, in that to float a clear linear pattern P, necessary is there.

  In the above example, the line portion of the linear pattern P is raised in a convex shape, but the line portion of the linear pattern P may be recessed in a concave shape. In that case, for example, as shown in FIG. 4A, the ink layer 7 is formed by pad printing on the upper surface of the lid body 4 other than the portion that becomes the line of the linear pattern P. And in the state which this ink layer 7 fully solidified, the vacuum evaporation of aluminum is performed from the top similarly to said example, and the aluminum thin film layer 6 is formed.

  As shown in FIG. 4B, the surface of the aluminum thin film layer 6 obtained in this way has a linear pattern P because the portion where the ink layer 7 is not formed is recessed below the other portion. It appears to appear. The compact container having the linear pattern P obtained in this way can also obtain the same effects as the example shown in FIG.

Incidentally, as described above, may form a linear pattern P concavely as in the case of forming the convex shape, 0.1 to 1.0 mm the width of the line of that, the depth of the line 0.015 it is in order to obtain a clear linear pattern P, it is necessary to set the ～0.02Mm.

  Further, in these examples, the printed surface on which the ink layer 7 is formed is covered with the aluminum thin film layer 6 formed by aluminum vapor deposition. However, the formation of the aluminum thin film layer 6 is not limited to vacuum vapor deposition, but electrostatic coating. Electrodeposition coating, sputtering, plating, hot stamping, transfer, etc. can be used.

Further, the material of the thin film layer 6 is not limited to aluminum, and any material can be used as long as it can be laminated and integrated on the printing surface to form a metal thin film layer . However, smoothness of the strength and surface, the aesthetic point of aluminum, the use of a metal thin film layer, such as stainless steel is preferred.

  And although the thickness of the said thin film layer 6 is based also on the material of the thin film layer 6, in this invention, setting to 0.004-0.1 mm is required for showing the clear linear pattern P. . That is, if the thickness of the thin film layer 6 is less than 0.004 mm, it is difficult to obtain a uniform and smooth thin film. Conversely, if the thickness exceeds 0.1 mm, the linear pattern P cannot be clearly revealed. .

  In the above example, the present invention is applied to a compact container, but the type and shape of the container, the arrangement of members forming the linear pattern P, and the like are not particularly limited.

Next, examples of the present invention will be described together with reference examples and comparative examples.

[Example 1, Reference Examples 1 and 2, Comparative Examples 1 and 2]
Under the conditions shown in Table 1 below, a compact container lid 4 having a linear pattern P shown in FIG. 1 was obtained. However, the ink by pad printing is PLX (manufactured by Jujo Chemical Co., 1-pack type), and the thin film layer 6 is a thin film having a thickness of 0.005 mm by aluminum vapor deposition. Then, the linear pattern P formed on the surface of each lid 4 obtained was observed by 10 professional monitors, and the vividness was very clear ... 5, clear ... 4, normal ... 3, somewhat The average score was obtained by evaluating in five stages of unclear ... 2 and unclear ... 1. The results are also shown in Table 1 below.

[Examples 2 and 3 and Comparative Examples 3 and 4]
As shown in Table 2 below, the thickness of the aluminum thin film layer 6 was changed. Other than that was carried out similarly to the said Example 1, and obtained the cover body 4 of the compact container in which the linear pattern P shown in FIG. 1 was formed. And the linear pattern P formed in the surface of each obtained cover body 4 was evaluated similarly to the above, and the result was combined with following Table 2, and was shown.

From the above result, if a clear line pattern P is to be obtained, the line in the ink layer 7 forming the line pattern P has a width of 0. 8 mm, height 0.0 2 mm Examples 1 to 3 dishes of found to be optimal. Moreover, it turns out that the thickness of the aluminum thin film layer 6 must be 0.004-0.1 mm. In addition, although the linear pattern P in the comparative example 2 has received evaluation with comparatively clear, a delicate impression is thin and it is scarce about interest. And if it is a 5 mm width linear pattern, since it can shape | mold easily by metal mold | die shaping | molding, it is outside the object of this invention.

It is a perspective view of one Example of this invention. It is XX 'sectional drawing of FIG. (A), (b) is both explanatory drawing of the formation method of the linear pattern in the said Example. (A), (b) is both explanatory drawing of the formation method of the linear pattern in the other Example of this invention. It is explanatory drawing of the container with a conventional linear pattern.

Explanation of symbols

4 Lid 6 Aluminum thin film layer P Linear pattern

Claims (4)

A method for producing a container in which a fine linear pattern is formed in a convex shape or a concave shape on the surface of at least a part of a member constituting the container, wherein the member is shaped by a molding die as the member. And ink is applied to the surface of the member . 1 to 1 . 0 mm, printed so as to be linear pattern height differences 0.01 5 ~0.0 2 mm, then the entire print surface, and coated with a metallic thin film layer having a thickness 0.004～0.1Mm, the A process for producing a patterned container, wherein the surface of the metal thin film layer has irregularities in the linear pattern.   2. The ink according to claim 1, wherein at least one ink selected from the group consisting of polyester ink, acrylic ink, vinyl ink, vinyl chloride / vinyl acetate ink, epoxy ink and urethane ink is used. The manufacturing method of the container with a pattern of description. The formation of the upper Kikin genus thin layer, vacuum deposition, electrostatic coating, electrodeposition coating, sputtering, plating, hot stamp, according to claim 1 or 2 preparation of textured container according to the performed either by transfer.   A patterned container obtained by the process for producing a patterned container according to any one of claims 1 to 3.

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