WO2022091844A1 - 模型部品、及び、模型部品の製造方法 - Google Patents

模型部品、及び、模型部品の製造方法 Download PDF

Info

Publication number
WO2022091844A1
WO2022091844A1 PCT/JP2021/038454 JP2021038454W WO2022091844A1 WO 2022091844 A1 WO2022091844 A1 WO 2022091844A1 JP 2021038454 W JP2021038454 W JP 2021038454W WO 2022091844 A1 WO2022091844 A1 WO 2022091844A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
color
molding
primary
model
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/038454
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
翔一 林田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bandai Co Ltd
Original Assignee
Bandai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bandai Co Ltd filed Critical Bandai Co Ltd
Publication of WO2022091844A1 publication Critical patent/WO2022091844A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H9/00—Special methods or compositions for the manufacture of dolls, toy animals, toy figures, or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2055/00—Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2023/00 - B29K2049/00, e.g. having a vinyl group, as moulding material
    • B29K2055/02—ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers

Definitions

  • the present invention relates to a model part and a method for manufacturing the model part.
  • an object of the present invention is to provide a model part having a stable quality base layer visible from the outside and a method for manufacturing the same.
  • the invention of the model component is a first layer formed of the first material of the first color and a second layer formed so as to cover at least a part of the first layer. It has a second layer made of a second material of two colors, the melting point of the first material is higher than the melting point of the second material, and the first layer is the second layer. It is visible from the outside through the layer. It was
  • the invention of the method for manufacturing a model part is a first step of forming a first layer using a first material of a first color, and a second step so as to cover at least a part of the first layer.
  • the second step comprises the second step before the first layer is cooled to room temperature. The layer is formed, the melting point of the first material is higher than the melting point of the second material, and the first layer is visible from the outside through the second layer.
  • the present invention comprises ABS (Acrylonitrile / Butadiene / Styrene) resin and SBC (styrene / butadiene) copolymer as molding materials.
  • ABS Acrylonitrile / Butadiene / Styrene
  • SBC styrene / butadiene copolymer
  • thermoplastic resin such as polyethylene, thermosetting resin, soft resin, metal, etc.
  • the primary molding for forming the primary molding layer constituting the skeleton portion of the model part is performed.
  • ABS can be used as the molding material (material) of the primary molding layer.
  • the secondary molding for forming the secondary molding layer on the surface of the primary molding layer is performed before the primary molding layer is cooled to room temperature.
  • SBC can be used as the molding material for the secondary molding layer.
  • the secondary molding layer forms the outer surface (outer skin portion) of the model part, but the degree to which the color of the primary molding layer formed on the lower side is transparent differs depending on the thickness of the secondary molding layer. Is formed in. It was
  • the molding material constituting the primary molding layer is an opaque color (for example, skin color, white, red, other colors such as solid color, metallic color, pearl color, etc.) or translucent (transparent).
  • has a color eg, skin color, white, red, or other color.
  • the molding material of the secondary molding layer has a transparent or translucent color.
  • the secondary molding layer constituting the surface is clear orange (transparent orange), whereas the primary molding layer is white or flesh-colored. And so on.
  • the secondary molding layer transparent or translucent it is possible to express the state of wearing clothes that are transparent or have a sense of sheerness on the skin.
  • the color of the secondary molding layer and the color of the primary molding layer may be the same color or similar colors as long as the transparency of the secondary molding layer is formed higher, and the colors are similar or opposite to each other. May be.
  • the primary molding layer and the secondary molding layer are formed of different color molding materials in this way, and the secondary molding layer is formed by using a clear material or a translucent material. By doing so, the primary molding layer of different colors underneath can be seen through, thereby enabling gradation expression. It was
  • a material of a common material can be used in order to bond and integrate the primary molding layer and the secondary molding layer with each other.
  • PS, KPS, GPPS, etc. are materials that have the same material as polystyrene, although they have different properties.
  • the primary molding layer is eroded by the heat of the secondary molding layer when forming the secondary molding layer on the primary molding layer and the frictional heat during injection molding, and the primary molding layer is primary.
  • the surface of the molded layer may be roughened. At this time, if the secondary forming layer is opaque, the roughness of the primary forming layer, which is the base layer, cannot be confirmed from the outside, so that there is no particular problem.
  • the secondary forming layer is transparent or translucent, it is passed through the secondary forming layer. Roughness becomes a problem because the surface of the primary molded layer can be seen.
  • the bonding force between the layers is weakened, so that the primary forming layer to the secondary forming layer are used after molding. There is a problem that the molded layer is easily peeled off. It was
  • the primary molded layer is formed of ABS and the secondary molded layer is formed of SBC of a different material.
  • the melting point of ABS is 100 to 110 degrees, while the melting point of SBC is 80 to 100 degrees. Therefore, even when the primary cambium is formed with ABS in the primary molding step and then the secondary cambium is formed with SBC in the secondary molding step, the primary forming in the secondary molding step due to the difference in melting point. The layer is not eroded. Therefore, the roughness of the primary molded layer is not visually recognized through the secondary molded layer.
  • the bonding force between the layers can be maintained by forming the primary molded layer with ABS and then forming the secondary molded layer without cooling to room temperature.
  • the temperature of the primary molding layer at the start of the secondary molding step is a predetermined temperature (for example, 40 to 50 degrees, 30 to 60 degrees, or within the range) higher than the room temperature that can be touched by hand. It may be any range). It was
  • the method for manufacturing a model part including the above-mentioned two-step molding step can be carried out by using, for example, a multicolor molding apparatus.
  • a molding die corresponding to the process is used.
  • the molded product is taken out from the molding mold after the molding material is poured into the runner groove of the molding mold or the molding space (cavity) for molding each component to form the molded product.
  • the primary molded product produced by the primary molding is attached to the molding die in the molding step of the secondary molding, and the secondary molding is executed. At that time, after the primary molding, the primary molded product is attached to the molding die for the secondary molding step without being cooled to room temperature. Since the molding method itself using the multicolor molding apparatus is known, a more detailed description will be omitted. It was
  • the primary forming layer is formed by performing one forming step, but the primary forming layer is formed according to the thickness of the primary forming layer to be molded and the color of the material. It may be divided and the primary molding may be carried out twice. In this case, the molding process to be carried out is in three stages. By molding the primary molding layer in two steps, it is possible to reduce dents and distortions in molding and to produce a molded product having a uniform appearance. It was
  • FIG. 2 is a cross-sectional view of a molding die and a molded product in the molding process.
  • 2 (A) and 2 (B) correspond to the primary molding in S101.
  • the molding die male mold 201 and female mold 202, male and female mold assignments may be reversed
  • the molding die corresponds to the primary molding layer to be molded. It has a cavity 203, and ABS of a molding material is made to flow into the cavity 203 via a main runner and a sub runner (not shown) in order to form a component. It was
  • the molded product 204 is produced in the primary molding using the male mold 201 and the female mold 202.
  • the molded product 204 is composed of a main runner, a sub runner, and a primary molded layer.
  • the molded product 204 is made of ABS.
  • the main runner is formed so as to surround the periphery of the part, and the part is fixed to the main runner by being connected to the main runner via the sub runner. Further, the main runner and the sub-runner correspond to grooves for flowing the molding material into the cavity 203 in the molding dies 201 and 202.
  • the molding material is flowed from the main runner groove of the molding dies 201 and 202 into the cavity 203 via the sub-runner groove, and the molding material is filled in all of the cavity, the main runner groove and the sub-runner groove. Then, by cooling to a temperature that can be touched by hand (the above-mentioned predetermined temperature), the molded product 204 containing the primary molded layer can be produced. It was
  • the secondary molding layer is formed so as to cover the upper side of the primary molding layer at a predetermined temperature.
  • 2 (C) and 2 (D) correspond to the secondary molding in S102.
  • a cavity 212 corresponding to the secondary molding layer to be formed in the secondary molding is formed between the molding die 211 and the molded product 204, and the cavity 212 is not formed.
  • the SBC of the molding material is flowed through the main runner and the sub runner shown in the figure.
  • a molded product 213 including the secondary molded layer is formed, and the primary molded layer is at least partially covered with SBC.
  • the molded product 213 is composed of a main runner, a sub runner, and a secondary molded layer.
  • the secondary molded layer is formed by forming SBC on the upper surface of the primary molded layer made of ABS from the main runner via the secondary runner.
  • the molded product 213 is formed so that the thickness of the secondary molded layer becomes a desired thickness without changing the position of the molded product 204. It is possible to form accurately. It was
  • the molding material (SBC) is flowed from the main runner groove to the cavity 213 via the sub-runner groove, and the cavity 213 is main. After filling all of the runner groove and the sub-runner groove with the molding material and then cooling, the molded product 213 can be formed on the upper surface of the molded product 204.
  • FIG. 3A is a diagram showing an example of a model part 300 as a part of a body of a doll toy produced by a molding process corresponding to the present embodiment.
  • the outer surface 302 of the model component 300 is composed of a secondary molding layer, and a part of the primary molding layer 301 covered with the secondary molding layer is exposed to the outside as a connecting portion.
  • the connecting portion functions as a connecting member for connecting to other parts.
  • FIG. 3B is a separation diagram in which the model component 300 is separated into a plurality of molded layers.
  • FIG. 3B shows a case where the primary molding is performed in two steps. That is, the primary forming layer 301 is composed of the first forming layer 311 and the second forming layer 312, and the secondary forming layer 302 is composed of the third forming layer 313.
  • the first molded layer 311 and the second molded layer 312 have different colors from each other, they integrally form a skeleton portion of a model part.
  • the third molded layer 313 forms the outer skin portion of the model part.
  • the first molded layer 311 and the second molded layer 312 are collectively referred to as a “skeleton portion”
  • the third molded layer 313 is collectively referred to as a “skin portion”. It was
  • the outer skin portion is formed of a transparent material so as to cover the skeleton portion, and the surface thereof is formed with irregularities.
  • the outer skin portion is a molding layer forming the surface of the model component 200, and has a surface corresponding to a desired outer shape of the model. Since the model part 200 is a part of the body of the doll toy, the unevenness of the body is expressed by the surface shape of the outer skin portion. It was
  • Comparing the shapes of the outer surfaces of the skeleton portion and the outer skin portion it is configured to include a portion that is similar to each other and a portion that is not similar to each other.
  • the thickness of the outer skin portion is maintained at a predetermined value.
  • the non-similar part is formed to have a thickness different from that of the similar part, and the color of the skeleton part that can be visually recognized from the outside through the outer skin part is changed according to the change in thickness. Change.
  • the outer skin is made of a translucent (for example, clear orange) material and the skeleton is made of a white or flesh-colored material
  • the white or flesh color of the skeleton may be visible through the clear orange outer skin.
  • the orange will come out strongly.
  • the thickness of the outer skin portion is kept constant in the portion having a similar outer shape, the color tone of the skeleton portion visible through the translucent outer skin portion is constant.
  • the degree of orange becomes stronger.
  • the degree of skin color and whiteness becomes deeper.
  • FIG. 4A is a diagram showing an example of how the thickness of the outer skin portion of the model component 300 of FIG. 3A changes.
  • the outer skin portion constituting the outer surface of the model component 300 has thicknesses D1, D2, and D3, and the thickness is increased in the order of D1> D2> D3.
  • the orange color of the outer skin part becomes darker, but as the outer skin part becomes thinner like D2 and D3, the degree of orange color becomes weaker, and instead the degree of skin color of the skeleton part becomes darker. It's getting stronger.
  • the thicker the portion the greater the degree of color mixing of the outer skin portion with respect to the color of the skeleton portion, and the greater the change in hue when the model component 300 is viewed from the outside. It was
  • the thickness of the outer skin portion By partially or wholly changing the thickness of the outer skin portion in this way, it is possible to make the color tone of the model part 300 different when viewed from the outside.
  • the degree of color mixing of the outer skin portion with respect to the color of the skeleton portion gradually increases, so that the darkest color of the skeleton portion can be seen through. Since the color gradually fades and changes to the color of the outer skin itself, the observer can observe the gradation on the surface of the model component 300. It was
  • the appearance of the gradation can be different depending on how the thickness of the outer skin is changed. For example, different gradation expressions can be realized because the method of changing from a dark color to a light color differs depending on whether the degree of change in thickness is steep or gradual. Further, the thickness may be changed in the direction of reducing the thickness. This also makes it possible to change from a light color to a dark color. It was
  • FIG. 4A an example of realizing a gradation expression by changing the thickness of the outer skin portion has been described, but the present invention is not limited to the above embodiment, and for example, the thickness of the outer skin portion is constant. You may.
  • FIG. 4B is a diagram showing an example of the case where the thickness of the outer skin portion is uniform among the model parts 300 of FIG. 3A. As shown in the cross-sectional view of FIG. 4B, the thickness of the outer skin portion constituting the outer surface of the model component 300 is uniform. It was
  • the primary molded layer is formed of ABS and the secondary molded layer is formed of SBC has been described, but the combination of materials is not limited to this, for example, the primary molded layer.
  • the ABS and the secondary molding layer may be formed of TPE (Thermoplastic elastomer: thermoplastic elastomer, particularly styrene-based thermoplastic elastomer).
  • the primary molded layer may be formed of KPS (reinforced polystyrene) and the secondary molded layer may be formed of TPE.
  • the primary forming layer can be formed by using a first material having a higher melting point, and the secondary forming layer can be formed by using a second material having a lower melting point. It was

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
PCT/JP2021/038454 2020-11-02 2021-10-18 模型部品、及び、模型部品の製造方法 Ceased WO2022091844A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-183792 2020-11-02
JP2020183792A JP2022073659A (ja) 2020-11-02 2020-11-02 模型部品、及び、模型部品の製造方法

Publications (1)

Publication Number Publication Date
WO2022091844A1 true WO2022091844A1 (ja) 2022-05-05

Family

ID=80377278

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/038454 Ceased WO2022091844A1 (ja) 2020-11-02 2021-10-18 模型部品、及び、模型部品の製造方法

Country Status (3)

Country Link
JP (2) JP2022073659A (https=)
CN (1) CN114100153A (https=)
WO (1) WO2022091844A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7851569B2 (ja) * 2022-03-30 2026-04-27 株式会社Bfull 人物型三次元造形物

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09174599A (ja) * 1995-12-22 1997-07-08 Eiichi Tsunoda パネルの２色成形方法
JP2001150480A (ja) * 1999-11-30 2001-06-05 Hitachi Ltd 透かし模様成形体
JP2006142578A (ja) * 2004-11-17 2006-06-08 Bandai Co Ltd 成形装置、成形方法及び成形物
JP2016052760A (ja) * 2014-09-04 2016-04-14 三菱エンジニアリングプラスチックス株式会社 多色成形品及びその成形方法
JP2018034451A (ja) * 2016-08-31 2018-03-08 ポリプラスチックス株式会社 中空成形品の製造方法
JP2020082527A (ja) * 2018-11-26 2020-06-04 株式会社バンダイ 模型部品、及び、模型部品の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3163255B2 (ja) * 1996-05-31 2001-05-08 株式会社バンダイ 連結装置及びその連結装置の製造方法並びに可動体及びその可動体の製造方法
JP3752160B2 (ja) * 2001-05-30 2006-03-08 株式会社日本製鋼所 複合成形品の射出成形方法および射出成形用金型
JP4946533B2 (ja) * 2007-03-09 2012-06-06 株式会社セガ 人形製造方法
JP6539364B1 (ja) * 2018-02-14 2019-07-03 株式会社バンダイ 模型部品、及び、模型部品の製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09174599A (ja) * 1995-12-22 1997-07-08 Eiichi Tsunoda パネルの２色成形方法
JP2001150480A (ja) * 1999-11-30 2001-06-05 Hitachi Ltd 透かし模様成形体
JP2006142578A (ja) * 2004-11-17 2006-06-08 Bandai Co Ltd 成形装置、成形方法及び成形物
JP2016052760A (ja) * 2014-09-04 2016-04-14 三菱エンジニアリングプラスチックス株式会社 多色成形品及びその成形方法
JP2018034451A (ja) * 2016-08-31 2018-03-08 ポリプラスチックス株式会社 中空成形品の製造方法
JP2020082527A (ja) * 2018-11-26 2020-06-04 株式会社バンダイ 模型部品、及び、模型部品の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Plastic Model", 5 September 2018 (2018-09-05), XP055924720, Retrieved from the Internet <URL:http://web.archive.org/web/20180905034128/https://www.floridanachi.org/material.htm> *

Also Published As

Publication number Publication date
JP2022073659A (ja) 2022-05-17
JP7719039B2 (ja) 2025-08-05
JP2022137272A (ja) 2022-09-21
CN114100153A (zh) 2022-03-01

Similar Documents

Publication Publication Date Title
JP6561191B1 (ja) 模型部品、及び、模型部品の製造方法
JP7361161B2 (ja) 模型部品、及び、模型部品の製造方法
JP6841886B1 (ja) 模型部品、及び、模型部品の製造方法
WO2017163556A1 (ja) 形象物及び形象物の製造方法
WO2022091844A1 (ja) 模型部品、及び、模型部品の製造方法
JP7536129B2 (ja) 模型部品、及び、模型部品の製造方法
JP7427620B2 (ja) 模型部品、及び、模型部品の製造方法
JP6841887B1 (ja) 模型部品
JP5950220B1 (ja) 熱硬化性樹脂成形品の製造方法及び熱硬化性樹脂成形品
JP2017170205A (ja) 形象物及び形象物の製造方法
JP2017023545A (ja) キャラクター玩具の製造方法
JPH079486A (ja) 加飾部を有する合成樹脂製品の製造方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21885963

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21885963

Country of ref document: EP

Kind code of ref document: A1