TW539606B - Method for manufacturing a container - Google Patents

Abstract

Disclosed is a method for manufacturing a container, comprising the steps of: forming a barrel, forming a housing, and assembling, in which the container barrel is formed by blow-molding, and the housing is formed by intake-molding, and the housing is then adhered to the container barrel to exhibit the container an appearance with an isometric and acute angle. The raw material of the housing may be pre-printed with patterns or colors such that the housing after molding may possess the required patterns and colors.

Description

539606 V. Description of the invention [Technical field] The present invention relates to a method for manufacturing a container, in particular to a method for manufacturing a plastic container with a three-dimensional shape and a pattern color made by using a blow molding method and a blister molding method. . [Previous technology] As shown in Fig. 6, it is an external view of a conventional container. Generally, a container made of plastic (such as PET) is a barrel with a hollow storage space and an opening. The accommodating space can be used for placing liquids, solids, etc. In order to make the container have a closed hollow accommodating space, the method of manufacturing the container is mostly blow molding, which uses a blow-molded primary embryo with an opening. Machine to blow mould it into the required shape. Although this conventional container manufacturing method can manufacture containers, the containers produced are all simple-shaped barrels, and the decorative lace or the overall barrel shape has no obvious sharp angle change, so the containers are manufactured. The appearance is more rigid. Furthermore, the conventional blow-molded container manufacturing method generally produces containers with a single color tone and no pattern changes. However, in order to make the container look beautiful or have a design, trademark, etc. or a company, product name on the container, In addition, a related pattern or name is printed on an outer film, and then the outer film is covered on the container. The outer film is combined with the container by means of shrinkage or adhesion. Therefore, the outer film can easily fall off due to external force, which causes the original label of the container to be unclear. In addition, the outer film is a thin film, which has little effect on the three-dimensional appearance of the container. It only has the effect of marking or plane vision, and it can no longer enhance the aesthetic effect of the three-dimensional vision of the container. [Purpose and effect]

Page 4 539606 V. Description of the invention (2) The main object of the present invention is to provide a container manufacturing method which solves the above-mentioned problems. The barrel of a container is made by blow molding, and then the shell is made by blister molding. Then, the shell is adhered to the barrel of the container, so that the container has a three-dimensional appearance with a sharp angle. A secondary object of the present invention is that the shell can be printed with patterns, colors, etc. on the shell material before being formed by blister molding, so that the shell can have the required patterns and colors after the shell is formed, and the appearance of the container can be more beautiful and visual. The effect is better. [Technical content]

The invention is a container manufacturing method, which includes a barrel forming procedure, a shell forming procedure, and a combination procedure. The barrel forming procedure has the following steps in order: The first step is to produce a preform; first, a PET is prepared. An opening embryo is made. The second step is blow molding. The primary embryo is placed in a blow molding mold and blow-molded into a hollow barrel with a predetermined shape using a blow molding machine. The third step is to take out Bucket body; after opening the blow molding mold, a bucket body is obtained. The shell forming procedure has the following steps in order:

The first step is color printing. On the two RET boards, the patterns or colors are printed at the relative positions of the pre-forming respectively. The second step. Blister molding. The two PET plates that have been printed with the pattern or color are placed on the two RET boards. On a blow molding mold, a plastic molding machine is used to respectively blister a front shell and a rear shell into a predetermined concave three-dimensional shape;

Page 5 539606 V. Description of the invention (3) The third step is to remove the edges; the front and back shells after the demoulding are removed from the surrounding edges, and the front and back shells can be combined into a hollow complete shape. shell. The finished product has the following steps in order. The first step is gluing; the outer edge of the barrel body or the inner surface of the front and rear shells are sprayed with glue; the second step is gluing; the front and rear shells are aligned. The barrel body is adhered to the barrel body;

The third step is completed; after the front and rear shells are bonded to the barrel body to form a body, a finished container with a three-dimensional appearance and a sharp angle is completed. The front and back shells are printed with patterns and colors on the front and back shell materials before blister molding, so that the front and back shells have the necessary patterns and colors after forming, which can make the appearance of the container More beautiful and better visual effects. The above and other objects and advantages of the present invention can be easily understood from the detailed description and accompanying drawings of the selected embodiments below. Of course, the present invention allows some differences in the arrangement or arrangement of other parts, but the selected embodiment is described in detail in this specification and its structure is shown in the drawings.

[Detailed description of the embodiment] Please refer to FIG. 1. The steps shown in the figure are the steps of the embodiment of the invention. This is for illustration purposes only. 5 In the patent application, it is not limited by this scope. The invention relates to a method for manufacturing a container, which comprises forming a barrel body.

Page 6 539606 V. Description of the invention (4) Program 1, a shell forming program 2 and a combined program 3. f As shown in Figure 2, the barrel forming process 1 includes the following steps: The first step is to produce the preform 1 1; first, a PET (polyethylene terephthalate) preparation is made into an opening 1 The primary embryo 1 1 1 of 1 2 has an external thread 1 1 3 on the outside of the opening 1 2; the second step is blow molding 1 2; the primary embryo 1 1 1 is placed in a blow

In the molding mold 1 2 1, a blow molding machine (not shown in the figure) is used to blow mold the primary embryo 1 1 1 into a predetermined shape hollow barrel 1 2 2. The shape of the carcass 1 2 2 is formed according to the cavity of the blow molding mold 1 2 1. Therefore, the shape of the blow molding mold 1 2 1 can be changed to change the shape of the barrel 122 according to the third step. Body 1 3; After the blow molding mold 1 2 1 is opened, the barrel body 1 2 2 is taken out. As shown in FIG. 3, the shell forming process 2 includes the following steps: The first step is a color printing 2 1; before the two PET (polyethylene terephthalate) plates 2 1 1 are separately prepared, At the relative position, use a screen 2 1 2 to color print a pattern or color 2 1 3, and the pattern or color 213 must be reserved for deformation; Step 2. Blister molding 2 2; Color print the pattern or color 2 1

3 bis PET plate 211 is placed on a blow-molding mold 2 21, and a PET molding machine (not shown in the figure) is used to blister the PET plate 2 1 1 into one of the predetermined concave three-dimensional shapes, respectively. The shell 2 2 2 and a rear shell 2 21 3. After the color-printed pattern or color 2 1 3 is formed by blister molding, it appears at the relative positions of the front and rear shells 2 2 2 and 2 2 3. The former,

Page 7 539606 V. Description of the invention (5) The predetermined shape of the back shell 2 2 2, 2 2 3 is formed by the shape of the cavity of the blister mold 2 21, so the blister mold 2 can be changed as required 2 1 shape to change the shape of the front and rear shells 2 2 2, 2 2 3; Step 3, remove the edge 2 3; remove the excess trim 231 around the front and rear shells 2 2 2, 223 after demolding, to The cutter 232 is removed to obtain the front and rear shells 2 2 2, 2 2 3. The front and back shells 2 2 2 and 2 2 3 of the trimming material 2 3 1 can be combined into a hollow shell 2 2 4, and the space in the shell 2 2 4 is matched with the shape of the barrel body 1 2 2. As shown in Figure 4, the combined program 3 includes the following steps:

The first step is to glue 3 1; the outer edge of the barrel body 1 2 2 or the inner faces of the front and rear shells 222 and 223 is sprayed with 311 to spray glue; the second step is to glue 3 2; the front and rear The shell 2 2 2, 2 2 3 is mated with the barrel body 1 2 2 and adhered to the barrel body 1 2 2; the third step is completed 3 3; the front and rear shells 2 2 2 and 2 2 3 are adhered to After the barrel body 1 2 2 is integrated, a finished container product 3 3 1 having a three-dimensional appearance and an acute angle is completed. From the above, it can be known that the container manufacturing method of the present invention is mainly to first prepare a PET material into a barrel body 1 2 2 of the primary embryo 1 1 1, and then place the primary embryo 1 1 1 into a blow molding mold 1. 2 1 inside, by a blow molding

The machine blows the original embryo 1 1 1 into a barrel body 1 2 2 with a simple shape and no obvious sharp angle changes. In addition, two PET plates 2 1 1 are printed with a predetermined shape pattern or color 2 1 3. Two PET plates 2 1 1 are respectively placed on a blister molding die 2 2 1, and the two P ET plates 2 1 1 are respectively sucked into a front shell 2 with a three-dimensional shape and a sharp angle by a blister molding machine. 2

Page 539606 Brief description of the drawings. The first diagram is a flowchart of the steps of the present invention. The second diagram is a schematic diagram of the barrel forming of the present invention. The third diagram is a schematic diagram of the shell preparation and outer shell forming of the present invention. Schematic diagram of the barrel body as a finished product. Figure 5 is a schematic diagram of a container with another appearance produced by the present invention. Figure 6 is an external appearance of a container manufactured by the conventional container manufacturing method. [Figure No.] 1 1 Initial embryo 1 1 1 Open π 1 1 2 External thread 1 1 3 Blow molding 1 2 Blow molding mold 1 2 1 Barrel body 1 2 2 Barrel body formation 1 3 Shell forming procedure 2 Color printing 2 1 RET board 2 1 1 Screen printing 2 1 2 Pattern or color 2 1 3 Blister molding 2 2 Blister molding mold 2 2 Front shell 2 2 2 Rear shell 2 2 3 Edge removal 2 3 Trimming 2 3 1 Knife 2 3 2 Group Process 3 Gluing 3 1 Spraying 3 1 1 Bonding 3 2 Finishing 3 3 Container Finishing 3 3 1

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Claims (1)

539606 6. Scope of patent application 1. A method for manufacturing a container, which includes a barrel forming process, a shell forming process and a combined process. The barrel forming process includes the following steps: manufacturing a preform; first blowing a plastic stock into an open preform with blow molding; placing the preform into a blow molding mold and then using a blow molding Machine to blow mold the preform into a predetermined shape of a hollow barrel body; take out the barrel body; after opening the blow molding mold, remove the barrel The shell forming procedure includes the following steps: color printing; color printing a pattern or color at a relative position before the two plastic plates are ready to be formed; blister molding; placing the color printed pattern or color on the two plastic plates. On a blow-molding mold, a plastic molding machine is used to blister the plastic plates into predetermined recessed three-dimensional shaped shells; removing edges; removing excess trimming around the shells after demolding, to obtain The number shell; the combination program includes the following steps: Gluing; gluing the outer edge of the barrel or the inner surface of the casing; bonding; butt the casing to the barrel and adhere to the barrel; the casing is glued to the barrel , That is, a finished container with a three-dimensional appearance and an acute angle is obvious. Page 11 539606 VI. Scope of patent application · 2 · The method for manufacturing a container according to item 1 of the scope of patent application, wherein the predetermined shape of the barrel is formed by the shape of the cavity of the blow molding mold, so The shape of the cavity of the blow molding die is changed as needed to change the shape of the barrel. · 3 · The container manufacturing method according to item 1 of the scope of patent application, in which the amount of deformation must be reserved for the design or color printed on the plastic plate. 4. The method for manufacturing a container according to item 1 of the scope of the patent application, wherein the number of shells which have been trimmed can be relatively formed into a hollow complete shape, and the inner hollow shape is matched with the shape of the barrel body. 5. The method for manufacturing a container according to item 1 of the scope of the patent application, wherein the pattern or color printed on the φ plastic plate appears in the relative position of the shape of the shell after being blister-shaped. 6 · The method for manufacturing a container according to item 1 of the scope of the patent application, wherein the predetermined shape of the shell is formed according to the shape of the cavity of the blister molding mold, so the shape of the cavity of the blister molding mold can be changed as required. To change the shape of the shell. Page 12