Production method of pet bottle gold fish and pet bottle gold fish
Patent Information
- Application Number
- JP2022115083
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2022-06-30
- Publication Date
- 2025-08-04
AI Technical Summary
There is a demand for reusing plastic bottles due to environmental concerns, and there is a desire to create goldfish-shaped objects that accurately represent the characteristic form of a goldfish.
A method is developed to transform a PET bottle into a goldfish shape by cutting and bending its components to mimic the head, trunk, tail, and fins of a goldfish, utilizing the natural shape of the bottle to create a symmetric and accurate representation.
This method allows for the creation of a goldfish-shaped object from a PET bottle that reuses the material while accurately expressing the characteristic form of a goldfish, utilizing the bottle's shape without needing separate parts for assembly.
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Abstract
Description
Detailed Description of the Invention [Technical field]
[0001] The present invention relates to a manufacturing method for producing a goldfish made of a plastic bottle as a goldfish-like sculpture, and to a goldfish made of a plastic bottle. [Background technology]
[0002] Patent Document 1 describes a method for manufacturing a goldfish-like object by cutting out multiple parts from specially prepared flat paper and assembling them together. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] JP 2014-113219 A Summary of the Invention [Problem to be solved by the invention]
[0004] In recent years, there has been a demand for the reuse of used PET bottles from the viewpoint of environmental issues. It is desirable to use PET bottles to create goldfish sculptures.
[0005] To provide a method for manufacturing a goldfish made of a plastic bottle, which reuses the plastic bottle and makes use of the shape of the plastic bottle to accurately express the characteristic shape of a goldfish, and a goldfish made of a plastic bottle. [Means for solving the problem]
[0006] The method for producing a goldfish made of a plastic bottle of the present invention is as follows: A method for producing goldfish made of a plastic bottle from a plastic bottle in which a mouth part to which a cap can be attached, a neck part, a body part, and a bottom part are formed in sequence and integrally, and the neck part is a funnel-shaped part whose diameter decreases from the body part to the mouth part, a first step of cutting out the mouth and the bottom from the plastic bottle to obtain a cylindrical body having the neck portion at one end and the body portion at a middle portion and the other end; a second step of cutting a portion of the cylindrical body located on the opposite side of a generatrix between the one end and the other end so that the cylindrical body can be unfolded symmetrically about the generatrix; A third step of partially cutting the one end of the cylindrical body and decreasing the width of the one end about the generatrix as it moves away from the middle part so that the shape of the one end when it is expanded about the generatrix becomes the shape of a goldfish's head when it is opened up. a fourth step of partially cutting the middle part of the cylindrical body to form a first shape part in which the width around the generatrix increases once and then decreases from one end to the other end so that the shape of the middle part when unfolded around the generatrix corresponds to the shape of the trunk of a goldfish when opened up; and a second shape part located outside the first part and shaped to resemble at least one of the pectoral fins, pelvic fins, and anal fins of a goldfish. A fifth step of partially cutting the other end of the cylindrical body and forming a tail fin portion at the other end in a shape that resembles the tail fin of a goldfish that is split symmetrically on the left and right sides so that the shape of the other end when it is expanded around the generatrix is the same as the shape of the tail of a goldfish when it is opened up. A sixth step of bending the one end inward around the generatrix to form the head of the PET bottle goldfish; A seventh step of bending the middle part inward around the generatrix to form the trunk of the PET bottle goldfish; An eighth step of bending the other end outward around the generatrix to form a tail of the PET bottle goldfish; Includes. The goldfish in a plastic bottle of the present invention is produced by the above-mentioned manufacturing method. Effect of the Invention
[0007] According to the present invention, it is possible to manufacture goldfish sculptures by reusing used plastic bottles. Moreover, by relating the unfolded shape of the plastic bottle to the shape of the goldfish when it opens its abdomen, it is possible to easily provide a goldfish made of a plastic bottle that accurately expresses the characteristic form of a goldfish by making use of the shape of the plastic bottle. [Brief description of the drawings]
[0008] [Figure 1] FIG. 1 is a side view of a goldfish made of a plastic bottle as a first embodiment of the present invention. [Diagram 2] 2(a) and (b) are perspective views of the goldfish in FIG. 1 viewed from different directions. [Diagram 3] 2(a) and (b) are explanatory diagrams of the plastic bottles used to produce the goldfish in FIG. 1. [Figure 4] 4 is a side view of a cylindrical body cut out from the plastic bottle of FIG. 3. [Diagram 5] 5(a) and (b) are explanatory views respectively of the relationship between the deployable tubular body of FIG. 4 and the first and second members cut out from the tubular body. [Figure 6] 6(a) and 6(b) are explanatory views of a form in which the first member and the second member in FIG. 5 are combined, respectively. [Figure 7] 7(a), (b), (c), and (d) are explanatory diagrams of a goldfish made of a plastic bottle constituted by the first member and the second member in FIG. 6, respectively. [Figure 8] 2 is an explanatory diagram of an example of a hanging member for hanging the goldfish in FIG. 1. [Figure 9] 13(a) and (b) are explanatory diagrams of a goldfish made of a plastic bottle as a second embodiment of the present invention. [Figure 10] 10(a), (b), and (c) are explanatory diagrams of different examples of a cover that covers the external power supply in FIG. 9. [Figure 11] 13(a) and (b) are explanatory diagrams of different examples of a goldfish made of a plastic bottle according to the third embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0009] (First embodiment) Figures 1 and 2 are explanatory diagrams of a goldfish made of a plastic bottle in the first embodiment of the present invention. Figure 1 is a side view of the goldfish, Figure 2(a) is a perspective view of the goldfish seen diagonally from above, and Figure 2(b) is a perspective view of the goldfish seen diagonally from below. The goldfish G made of a plastic bottle in this example is a goldfish sculpture with a tail fin that is divided symmetrically on the left and right and a dorsal fin, and as described later, it has a two-piece structure mainly composed of a first member 100 and a second member 200 cut out from a plastic bottle.
[0010] The first member 100 includes a head 110, a trunk 120, and a tail 130, each of which is shaped to resemble the head, trunk, and tail of a goldfish, and the head 110 and the trunk 120 are hollow. The head 110 is funnel-shaped, narrowing from the trunk 120 toward the mouth 111 at the tip. The trunk 120 is formed with a main body 121, which expands in diameter from the head 110 toward the tail 130 and then contracts in diameter, and a fin 122 located outside the main body 121. The fin 122 in this example includes left and right pectoral fins 122A and 122B shaped to resemble the left and right pectoral fins of a goldfish, left and right pelvic fins 122C and 122D shaped to resemble the left and right pelvic fins of a goldfish, and anal fin 123E shaped to resemble the anal fin of a goldfish. The tail portion 130 includes left and right tail fin portions 131A, 131B that are shaped to resemble the tail fins of a goldfish, which are split symmetrically. The second member 200 includes a dorsal fin portion 201 that is shaped to resemble the dorsal fin of a goldfish, and is attached to the trunk portion 120 of the first member 100.
[0011] 3 to 7 are diagrams for explaining the method of manufacturing goldfish G in this embodiment.
[0012] First, a plastic bottle P capable of containing a fluid as shown in FIG. 3 is prepared. FIG. 3(a) is a side view of the plastic bottle P, and FIG. 3(b) is a cross-sectional view taken along line IIIb-IIIb in FIG. 3(a). The plastic bottle P is integrally formed with a mouth P1 to which a cap C can be attached, a neck P2, a cylindrical body P3, and a bottom P4 that closes the lower end of the body P3. The neck P2 is funnel-shaped with a smaller diameter from the body P3 toward the mouth P1. More specifically, the neck P2 has a shape in which the entire circumferential surface tapers toward the center of the plastic bottle P.
[0013] Next, as shown in Fig. 4, the mouth P1 and bottom P4 are cut off from the plastic bottle P to cut out the cylindrical body 1 (first step). In the cylindrical body 1, a neck part P2 is located at one end 10, and a body part P3 is located at the middle part 20 and the other end 30. From this cylindrical body 1, a first member 100 and a second member 200 of a goldfish G are cut out as described below.
[0014] Next, as shown in FIG. 5(a), the peripheral portion of the cylindrical body 1 facing the generatrix L0 (see FIG. 4), that is, the portion located on the opposite side of the generatrix L0, is cut over the entire length of the cylindrical body 1 in the longitudinal direction so that the cylindrical body 1 can be unfolded symmetrically with respect to the generatrix L0 (see FIG. 4) (second step). FIG. 5(a) is a plan view for explaining the relationship between the unfoldable cylindrical body 1 and the first and second members cut out from the cylindrical body, and FIG. 5(b) is a cross-sectional view taken along line Vb-Vb in FIG. 5(a). Also, as shown in FIG. 5(a), the cylindrical body 1 is partially cut out so that the shape of the cylindrical body 1 when unfolded with respect to the generatrix L0 (hereinafter also referred to as the "unfolded shape of the cylindrical body") is the shape of a goldfish when opened up (third, fourth, and fifth steps). Here, "back opening" refers to a processing method in which a knife is inserted from the belly side of the fish to open it without separating the flesh, and the shape of a goldfish when opened from the belly is the shape it has when cut open from the belly side along its entire length (hereinafter also referred to as the "expanded shape of the goldfish").
[0015] In the third step, one end 10 is partially cut off so that the expanded shape of one end 10 when unfolded around the generating line L0 corresponds to the expanded shape of the head of a goldfish with its belly open. Specifically, the cut is performed so that the width of one end 10 decreases from the middle portion 20 toward the top in FIG. 5(a). In the fourth step, the middle portion 20 is partially cut off so that the expanded shape of one end 10 when unfolded around the generating line L0 corresponds to the expanded shape of the trunk of a goldfish with its belly open. Specifically, a main body portion (first shape portion) 21 whose width first increases and then decreases from one end 10 toward the other end 30, and a fin portion (second shape portion) 22 located on the outside of the main body portion 21 are formed. The fin portion 22 in this example includes left and right pectoral fin portions 22A, 22B shaped to resemble the left and right pectoral fins of a goldfish, left and right pelvic fin portions 22C, 22D shaped to resemble the left and right pelvic fins of a goldfish, and anal fin portion 23E shaped to resemble the anal fin of a goldfish. In the fifth step, the other end portion 30 is partially cut off so that the deployed shape of the other end portion 30 when it is deployed around the generatrix L0 is the deployed shape of the tail portion of a goldfish when it is opened up. Specifically, the left and right tail fin portions 31A, 31B are formed to resemble the symmetrically divided tail fins of a goldfish.
[0016] The one end 10, the middle part 20, and the other end 30 after being molded in this way correspond to the head 110, the trunk 120, and the tail 130 of the first member 100 in the goldfish G in Fig. 1, respectively. Hereinafter, the one end 10, the middle part 20, and the other end 30 after being molded are also referred to as the head constituent part 10A, the trunk constituent part 20A, and the tail constituent part 30A, respectively. In addition, the pectoral fins 22A, 22B, the pelvic fins 22C, 22D, the anal fin 23E, and the caudal fins 31A, 31B correspond to the pectoral fins 122A, 122B, the pelvic fins 122C, 122D, the anal fin 123E, and the caudal fins 131A, 131B of the goldfish G, respectively.
[0017] In this example, in order to manufacture a goldfish G with a dorsal fin, a dorsal fin member 40 having a shape resembling a goldfish dorsal fin is cut out from the remaining part of the plastic bottle P after cutting out the cylindrical body 1 as shown in FIG. 5(a) (ninth step). The dorsal fin member 40 corresponds to the second member 200 of the goldfish G. The dorsal fin member 40 includes hook parts 41 and 42 for attaching it to the trunk component 20A. In addition, slits 21A and 21B are formed at positions on the generatrix L0 of the trunk component 20A for inserting the hook parts 41 and 42 to prevent them from coming off. The dorsal fin member 40 may be cut out from a plastic bottle different from the plastic bottle P from which the cylindrical body 1 was cut out, and the dorsal fin member 40 is not necessary when manufacturing a goldfish G without a dorsal fin.
[0018] Next, as shown in Fig. 6, the hook portions 41, 42 of the dorsal fin member 40 are inserted from the outside into the slits 21A, 21B of the trunk constituent part 20A to prevent them from coming off, thereby attaching the dorsal fin member 40 (tenth step). Fig. 6(a) is a plan view of the trunk constituent part 20A with the dorsal fin member 40 attached, and Fig. 6(b) is a cross-sectional view taken along line VIb-VIb in Fig. 6(a).
[0019] Before or after the attachment of the dorsal fin member 40, as shown in Fig. 7(a), the head constituent part 10A, the trunk constituent part 20A, and the tail constituent part 30A are bent around the generatrix L0 (steps 6, 7, and 8). Fig. 7(b) is a cross-sectional view taken along line VIIb-VIIb in Fig. 7(a), Fig. 7(c) is a cross-sectional view taken along line VIIc-VIIc in Fig. 7(a), and Fig. 7(d) is a cross-sectional view taken along line VIId-VIId in Fig. 7(a).
[0020] In the sixth step, as shown in Fig. 7(b), the left and right parts of the head component 10A are bent inward around the generating line L0 to form the head 110 of the goldfish G in Fig. 1. In the seventh step, as shown in Fig. 7(c), the left and right parts of the trunk component 20A are bent inward around the generating line L0 to form the trunk 120 of the goldfish G. In the eighth step, as shown in Fig. 7(d), the left and right parts of the tail component 30A are bent outward around the generating line L0 to form the tail 130 of the goldfish G.
[0021] Furthermore, in this example, as shown in Fig. 7(b), the left and right opposing parts of the head constituent part 10A that are close when bent inward are joined. Specifically, the left and right lower end parts of the head constituent part 10A in Fig. 7(b) are overlapped and sewn together with a thread T such as a transparent fishing line so that the parts do not come apart (see Fig. 2(b)). As shown in Fig. 6(a), a hole H1 for passing the thread T may be formed in advance in the head constituent part 10A.
[0022] Similarly, the left and right opposing parts of the trunk constituent part 20A that are close when bent inward are joined. Specifically, as shown in FIG. 7(c), the part on the boundary line between the main body part 21 and the left pectoral fin part 22A and the part on the boundary line between the main body part 21 and the right pectoral fin part 22B are butted together and sewn together with thread T so that they do not separate (see FIG. 2(b)). As shown in FIG. 6(a), a hole H2 for passing the thread T may be formed in advance in the trunk constituent part 20A. Furthermore, the left and right pectoral fin parts 22A and 22B are bent outward with the part on the boundary line as the center. Similarly, the part on the boundary line between the main body part 21 and the left pelvic fin part 22C and the part on the boundary line between the main body part 21 and the right pelvic fin part 22D are butted together and sewn together with thread T (see FIG. 2(b)). As shown in FIG. 6(a), a hole H3 for passing the thread T may be formed in the trunk constituent part 20A in advance. Furthermore, the left and right ventral fin parts 22C, 22D are bent outwardly with the part on the boundary line between them as the center. Also, as shown in FIG. 5(a), a seam allowance part 22F that bulges outward from the main body part 21 is formed in the trunk constituent part 20A in advance. Then, the part on the boundary line between the main body part 21 and the anal fin part 22E and the part on the boundary line between the main body part 21 and the seam allowance part 22F are butted against each other, and these parts are sewn together with the thread T (see FIG. 2(b)). As shown in FIG. 6(a), a hole H4 for passing the thread T may be formed in the trunk constituent part 20A in advance.
[0023] The joining method of the left and right opposing parts of the head constituent part 10A and the joining method of the left and right opposing parts of the trunk constituent part 20A are not limited to the method using thread T. For example, various methods such as mechanical joining by hook parts and slits such as hook parts 41, 42 and slits 21A, 21B, adhesion by adhesive, or heat welding can be used. Also, if the head constituent part 10A can be deformed so that the shape of the head 110 of the goldfish G can be maintained, such joining in the head constituent part 10A is not necessary. Similarly, if the trunk constituent part 20A can be deformed so that the shape of the trunk 120 of the goldfish G can be maintained, such joining in the trunk constituent part 20A is not necessary.
[0024] At least a portion of the inner and outer surfaces of the goldfish G can be colored or patterned with letters or other materials according to preference (step 10). Specifically, cloth or stickers can be attached, or paint can be applied with a spray or brush. The eyes E of the goldfish G (see FIG. 1) can be formed, for example, by attaching a black sheet. In addition, when coloring or patterning the inner surface of the goldfish G, it is desirable to carry out such processing before bending the head constituent part 10A, the trunk constituent part 20A, and the tail constituent part 30A around the generatrix L0.
[0025] Through the above-mentioned steps, a goldfish G is produced from a plastic bottle P. As the head 110 and trunk 120 of the goldfish G are hollow and lightweight, it can be hung by a hanging member 51 as shown in Fig. 8 and viewed as a goldfish sculpture swaying in the wind. In this example, a transparent fishing line is used as the hanging member 51, and further, a string 52 for fastening the line to a support member (not shown) such as an indoor beam, an outdoor tree, or a movable stand, and a fishing hook 52 are provided.
[0026] In this example, by taking advantage of the similarity between the shape of the neck P2 of the plastic bottle P, which tapers overall toward the mouth P1, and the shape of the head of a real goldfish, which tapers overall toward the mouth, the neck P2 is used to form the head 110 of the goldfish G. By making use of the characteristic shape of the neck P2 in this way, the head 110 of the goldfish G can be easily and accurately formed without requiring special tapering molding of the plastic bottle P.
[0027] In this example, the head 110, trunk 120, and tail 130 of the goldfish G are integrally formed from one cylindrical body 1 cut out from the plastic bottle P by associating the unfolded shape of the plastic bottle P with the unfolded shape of the goldfish when it is opened up. Therefore, it is possible to manufacture the goldfish G with a small number of parts without the trouble of forming these parts from separate materials and then assembling them. In addition, the head 110, trunk 120, and tail 130 of the goldfish G can be easily formed by bending the head component 10A, trunk component 20A, and tail component 30A around a common generating line P0. Furthermore, by opening the tail 130 widely to the left and right around the generating line P0, the characteristics of a goldfish's tail, whose tail fins are divided symmetrically, can be accurately expressed. In addition, by forming a large constriction as shown in Figure 1 between the trunk 120, which is bent inward around the generating line P0, and the tail 130, which is bent outward around the generating line P0, the characteristic of a goldfish with a constricted area between the trunk and tail can be accurately expressed.
[0028] In this example, by utilizing the characteristics of the deformable thin-walled plastic bottle P, the fin portion 122, the tail fin portions 131A, 131B, and the dorsal fin portion 201 can be deformed in various ways to express the characteristic shapes of goldfish swimming in water. In addition, the fin portions can be deformed in more diverse ways by utilizing the various irregularities formed on the periphery of the plastic bottle P in consideration of strength, ease of holding, design, etc. In addition, such irregularities on the plastic bottle P also maintain the shape of the fin portion after deformation. In addition, by using various plastic bottles of different sizes and shapes, goldfish G of various shapes with different sizes and overall balance can be produced.
[0029] Second Embodiment A light-emitting unit capable of emitting light can be provided on the inside of at least one of the head 110, trunk 120, and tail 130 of the goldfish G. In this example, as shown in Fig. 9(a), a light-emitting unit 60 is attached inside the trunk 120, and an external power source 70 is provided on the outside of the goldfish G to supply the power required for the light-emitting unit 60 to emit light.
[0030] The external power supply 70 of this example includes a light receiving unit 71, a power storage unit 72, a light sensor 73, and a control unit 74, as shown in the block diagram of FIG. 9(b). The light receiving unit 71 includes a light receiving element that receives light from the surroundings and generates electricity, and the power storage unit 72 includes a rechargeable battery for storing electricity from the light receiving unit 71. The light sensor 73 detects the brightness of the surroundings, and the control unit 74 supplies electricity stored in the power storage unit 72 to the power storage unit 72 through the wiring 61, on condition that the brightness detected by the light sensor 73 is equal to or lower than a predetermined level. The external power supply may include a switch that can be set so that the light emitting unit 60 does not emit light, regardless of the brightness detected by the light sensor 73. The light receiving unit 71 may also function as the light sensor 73.
[0031] A first hanging member 62 for suspending the external power source 70 is attached to the external power source 70. In this example, a transparent fishing line is used as the first hanging member 62, and the first hanging member 62 is further equipped with a string 63 for fastening the fishing line to a support member (not shown) such as an indoor beam, an outdoor tree, or a movable stand, and a fishing pull-back 64. A second hanging member 65 for suspending a goldfish G is attached below the external power source 70. In this example, wiring 61 is used as the second hanging member 65, taking advantage of the fact that the goldfish G are lightweight.
[0032] The goldfish G suspended under the external power source 70 in this way can be viewed as a goldfish sculpture swaying in the wind. Also, when the surroundings are bright, electricity generated by the light receiving unit 71 is stored in the power storage unit 72, and when it gets dark, the electricity stored in the power storage unit 72 can be used to make the light emitting unit 60 emit light. Therefore, when it gets dark, the light emitting unit 60 automatically emits light, and the goldfish G emits a firefly-like light, creating a fantastic atmosphere.
[0033] The goldfish G and the external power source 70 may be hung separately, or the goldfish G may be hung and the external power source 70 may be set on the ground, etc. In short, it is sufficient if the external power source 70 can supply the goldfish G with light emission energy.
[0034] As shown in FIG. 10(a), the cover 80 can be attached to the external power source 70 with a design that takes into consideration the design balance with the goldfish G. The cover 80 in this example has a cylindrical shape that covers the columnar external power source 70, and its upper end 80A is tapered, its inner diameter is smaller than the outer diameter of the external power source 70, and is large enough to expose the light receiving surface of the light receiving unit 71 upward. The upper end 80A is formed with a hole 81 and a slit 82 through which the first hanging member 62 passes. The cover 80 can be designed in various ways. In this example, the lower end 80B is shaped like a wave up and down, and has multiple holes formed therein. When attaching such a cover 80, the cover 80 is fitted from above in FIG. 10(a) to the external power source 70 to which the first hanging member 62 is attached, and the first hanging member 62 can be guided and positioned in the hole 81 through the slit 82.
[0035] The cover 80 can be manufactured from the same plastic bottle P as the goldfish G. For example, as shown in FIG. 10(b), the cover 80 is cut out from the plastic bottle P so that the neck part P2 of the plastic bottle P becomes the upper end part 80A. Alternatively, as shown in FIG. 10(c), the cover 80 is cut out from the plastic bottle P so that the bottom part P4 of the plastic bottle P becomes the upper end part 80A. The plastic bottle P does not need to be the same as the plastic bottle used to manufacture the goldfish G, and one that corresponds to the shape of the external power source 70 can be used. For example, if the external power source 70 is a square column, a plastic bottle with a square tube shape can be used. The cover 80 only needs to cover at least a part of the external power source 70, and its shape and attachment method are not limited to this example. The cover 80 can also be given a color or pattern associated with the goldfish G.
[0036] (Third embodiment) The goldfish G may be housed in at least a part of a transparent container so that it can be viewed from outside the container. For example, as shown in FIG. 11(a), a container including a transparent container body 90 and a lid 91 attached to its upper opening is used. The lid 91 is provided with an external power source 70 so that the light receiving surface of the light receiving unit 71 is exposed upward, and a goldfish G with a light emitting unit 60 attached therein is hung from the external power source 70. Then, as in the second embodiment, light emission energy is supplied from the external power source 70 to the light emitting unit 60 in the goldfish G. The light emitting unit 60 may be provided on the lid 91 as shown in FIG. 11(a). In this case, the light emitting unit 60 will illuminate the goldfish G from above. The container body 90 functions as a movable stand that supports the goldfish G and as a protective case for the goldfish G.
[0037] (Other embodiments) Goldfish G can be hung in a row of multiple sizes and colors for viewing. Fragrances and insect repellents can also be placed inside the goldfish G or hung from it. The effects of various events can be enhanced by blinking the light-emitting unit 60 inside the goldfish G depending on the music and the situation. It is also possible to provide a light-emitting unit 60 capable of emitting multiple colors and control the color of the light depending on the situation. [Explanation of symbols]
[0038] 1. Cylindrical body 10 One end 20 Middle section 21 Main body portion (first shape portion) 22 Fin portion (second shaped portion) 30 Other end 31A, 31B Tail fin 110 Head 120 trunk 130 Tail P Plastic bottle P1 mouth P2 neck P3 Torso P4 bottom L0 bus bar
Claims
1. A method for manufacturing a goldfish-shaped object made of a PET bottle, which includes a head, a trunk, and a tail fin, from a PET bottle having a mouth part to which a cap can be attached, a funnel-shaped neck part, a body part, and a bottom part formed in sequence, comprising: a first step of preparing the PET bottle; a second step of cutting off the mouth part and the bottom part from the PET bottle and cutting out a cylindrical body in which the neck part is located at one end and the body part is located at an intermediate part and the other end; a third step of cutting the portion of the cylindrical body facing the generatrix between the one end and the other end so that the cylindrical body can be unfolded left and right around one generatrix; a fourth step of forming the head of the goldfish at left and right parts of the one end around the generatrix; a fifth step of forming the trunk of the goldfish at left and right parts of the intermediate part around the generatrix; a sixth step of forming the tail fin of the goldfish at left and right parts of the other end around the generatrix; A method for manufacturing a goldfish-shaped object made of a PET bottle, including the above steps.
2. The fourth step includes partial excision and bending inward of the left and right parts of the one end, The fifth step includes partial excision and bending inward of the left and right parts of the intermediate part, The sixth step includes partial excision and bending outward of the left and right parts of the other end, The method for manufacturing a goldfish-shaped object made of a PET bottle according to Claim 1.
3. The fourth step includes a step of joining the left and right parts of the one end to each other, The fifth step includes a step of joining the left and right parts of the intermediate part to each other, The method for manufacturing a goldfish-shaped object made of a PET bottle according to Claim 1.
4. The trunk of the goldfish includes at least one formed part of the pectoral fin, ventral fin, and anal fin of the goldfish. The method for manufacturing a goldfish-shaped object made of a PET bottle according to Claim 1.
5. A seventh step of cutting out a dorsal fin member for forming the dorsal fin of the goldfish from the PET bottle prepared in the first step or from another PET bottle different from the PET bottle; An eighth step of attaching the dorsal fin member at a position on the generatrix in the intermediate part; The method for manufacturing a goldfish-shaped object made of a PET bottle according to Claim 1, further including the above steps.
6. A goldfish-shaped object made of a PET bottle manufactured by the manufacturing method according to any one of Claims 1 to 5.
7. The plastic bottle goldfish according to claim 6, further comprising a light-emitting part capable of emitting light inside at least one of the head, the trunk, and the tail fin of the plastic bottle goldfish.