WO2022163251A1 - Procédé de production de corps moulé composite - Google Patents

Procédé de production de corps moulé composite Download PDF

Info

Publication number
WO2022163251A1
WO2022163251A1 PCT/JP2021/048027 JP2021048027W WO2022163251A1 WO 2022163251 A1 WO2022163251 A1 WO 2022163251A1 JP 2021048027 W JP2021048027 W JP 2021048027W WO 2022163251 A1 WO2022163251 A1 WO 2022163251A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
molded
molding member
molding
composite
Prior art date
Application number
PCT/JP2021/048027
Other languages
English (en)
Japanese (ja)
Inventor
広明 庄田
孝宏 山下
裕二 福川
Original Assignee
昭和電工マテリアルズ株式会社
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 昭和電工マテリアルズ株式会社 filed Critical 昭和電工マテリアルズ株式会社
Priority to JP2022578175A priority Critical patent/JPWO2022163251A1/ja
Publication of WO2022163251A1 publication Critical patent/WO2022163251A1/fr

Links

Images

Classifications

    • 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
    • B29C45/03—Injection moulding apparatus
    • B29C45/13—Injection moulding apparatus using two or more injection units co-operating with a single mould
    • 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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • 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
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts

Definitions

  • the present disclosure relates to a method for manufacturing a composite molded body.
  • Die slide injection molding is a technology for forming structures with internal spaces by injection molding, and is used to manufacture various products.
  • the primary molded product divided into two is butted together to form a butting surface and a joint groove, and the joint groove is filled with resin to form an integrated molded product.
  • Patent Document 1 Japanese Patent Document 1
  • the present disclosure has been made in view of the above-mentioned conventional circumstances, and aims to provide a method for manufacturing a composite molded body that can manufacture a composite molded body that is difficult to form by die slide injection molding.
  • the first molding member arranged in the first mold and the second molding member arranged in the second mold face each other, and the first molding member and the second molding member are formed.
  • resin is injected into a first cavity and a second cavity formed by closing the first mold and the second mold, respectively.
  • the mold closing step the first mold in which the first molding member is arranged and the second mold in which the second molding member is arranged are opened, and the The method for producing a composite molded article according to ⁇ 1>, wherein at least one of the one mold and the second mold is moved to face the first molded member and the second molded member.
  • the third molding member becomes the first molding member and the second molding member.
  • ⁇ 4> Any one of ⁇ 1> to ⁇ 3>, wherein the hollow portion is a channel extending in the longitudinal direction of the composite molded body, and the third molding member is disposed in at least part of the channel 3.
  • the method for producing the composite molded article according to 1. ⁇ 5> The third molded member, an inlet through which the fluid is supplied when the fluid flows through the channel; a straightening unit that straightens the direction of the fluid flowing through the flow path toward the inlet;
  • FIG. 1 is an end view showing a state in which a mold for forming a composite compact is opened.
  • FIG. 2 is an end view showing a state in which a mold for forming a composite molded body is closed during primary injection.
  • FIG. 3 is an end view showing the state after the second mold has been slid in the direction of arrow A and the third molding member has been placed on the second molding member.
  • FIG. 4 is a diagram showing a state in which the first mold and the second mold are closed after the second mold slides, and the second resin material is injected secondarily.
  • FIG. 5 is a schematic cross-sectional view showing an example of a composite molded body manufactured by the method for manufacturing a composite molded body of the present disclosure.
  • FIG. 5 is a schematic cross-sectional view showing an example of a composite molded body manufactured by the method for manufacturing a composite molded body of the present disclosure.
  • FIG. 6 is a schematic perspective view showing an example of a composite molded body manufactured by the method for manufacturing a composite molded body of the present disclosure.
  • FIG. 7A is a front view showing an example of a third molded member used in the method for manufacturing a composite molded body of the present disclosure;
  • FIG. Figure 7B is a rear view of the third molded member shown in Figure 7A.
  • FIG. 8 is a schematic cross-sectional view showing the flow of coolant when the coolant is caused to flow through the flow path of the composite molded body in which the heating element is arranged.
  • the term "process” includes a process that is independent of other processes, and even if the purpose of the process is achieved even if it cannot be clearly distinguished from other processes.
  • the numerical range indicated using “-” includes the numerical values before and after "-" as the minimum and maximum values, respectively.
  • the upper limit or lower limit of one numerical range may be replaced with the upper or lower limit of another numerical range described step by step.
  • “(meth)acrylic” means at least one of acrylic and methacrylic.
  • a first molded member and a second molded member capable of forming a composite molded body having a hollow portion by bonding with the first molded member are prepared.
  • the first molding member arranged in the first mold and the second molding member arranged in the second mold face each other, and the first molding member and the second molding member are formed.
  • the manufacturing method of the present disclosure when closing the first mold in which the first molding member is arranged and the second mold in which the second molding member is arranged, the first molding member and the second molding member. After placing the third molded member, the first mold and the second mold are closed, and the first molded member and the second molded member are joined by injection molding. As a result, it is possible to manufacture a composite molded body in which the third molded member is arranged in the hollow portion formed by joining the first molded member and the second molded member.
  • a third molded member prepared in advance is placed between the first molded member and the second molded member before joining the first molded member and the second molded member. ing.
  • This makes it possible to obtain, for example, a composite molded body in which a third molded member having a pre-molded complicated shape is arranged in the hollow portion. Therefore, in the manufacturing method of the present disclosure, it is possible to manufacture a composite molded body that cannot be extracted from a mold by conventionally known die slide injection molding (DSI molding) and is difficult to form.
  • DSI molding die slide injection molding
  • FIG. 1 An example of the manufacturing method of the composite molded body of the present disclosure including DSI molding will be described with reference to FIGS. 1 to 4.
  • FIG. 1 An example of the manufacturing method of the composite molded body of the present disclosure including DSI molding will be described with reference to FIGS. 1 to 4.
  • FIG. 1 An example of the manufacturing method of the composite molded body of the present disclosure including DSI molding will be described with reference to FIGS. 1 to 4.
  • FIG. 1 is an end view showing a state in which a mold for forming a composite compact is opened.
  • FIG. 2 is an end view showing a state in which a mold for forming a composite molded body is closed during primary injection.
  • the mold 48 is provided in a molding machine (not shown) that performs DSI molding.
  • Mold 48 includes a first mold 50 and a second mold 52 .
  • the first mold 50 and the second mold 52 are made of metal material such as stainless steel.
  • the first mold 50 is provided with a cavity portion 54 for forming the first molding member 1 .
  • the cavity portion 54 is formed with a concave portion corresponding to the external shape of the first molding member 1 .
  • the second mold 52 is provided with a core portion 55 for forming the internal shape of the first molding member 1 .
  • the second mold 52 is provided with a cavity portion 56 for forming the second molding member 2 .
  • the cavity portion 56 is formed with a concave portion corresponding to the external shape of the second molding member 2 .
  • the first mold 50 is provided with a core portion 53 for forming the internal shape of the second molding member 2 .
  • the shapes of the first molded member 1 and the second molded member 2 are not particularly limited as long as the hollow portion can be formed by joining the first molded member 1 and the second molded member 2 together.
  • the first molded member 1 and the second molded member 2 may each independently contain a resin. A case where the first molded member 1 and the second molded member 2 are formed by injection molding a material containing resin will be described below, but the present disclosure is not limited to this configuration.
  • a gate 62 for injecting the first resin material for primary injection into the cavity portion 54 and the cavity portion 56 is formed in the first mold 50 .
  • the position of the exit of the gate 62 is not particularly limited.
  • the first mold 50 is formed with a gate for injecting the second resin material for secondary injection.
  • the gate 62 for injecting the first resin material for primary injection also serves as the gate for injecting the second resin material for secondary injection.
  • the gate for injecting the second resin material may be provided independently of the gate 62 for injecting the first resin material for primary injection.
  • the first resin material contains a resin and may contain other components as necessary.
  • the resin contained in the first resin material it is possible to appropriately select and use from conventionally known resins according to the use of the composite molded article.
  • the resin contained in the first resin material include thermoplastic resins and elastomers.
  • the resin contained in the first resin material may be of one type alone or may be a combination of two or more types.
  • thermoplastic resins include polyimide resins, polyamideimide resins, polyamide resins, polyetherimide resins, polybenzoxazole resins, polybenzimidazole resins, polystyrene resins, acrylonitrile-butadiene-styrene copolymer resins, acrylonitrile-styrene copolymer resins.
  • Polymerized resins polyethylene resins, polypropylene resins, polyvinyl chloride resins, polyvinylidene chloride resins, polycarbonate resins, (meth)acrylic resins, polyester resins, polyacetal resins, polyphenylene sulfide resins (PPS), and the like.
  • elastomers include silicone rubber, styrene-butadiene rubber (SBR), nitrile rubber (NBR), and urethane rubber.
  • the first resin material may contain components other than conventionally known resins depending on the application of the composite molded article.
  • Other components include surface treatment agents that modify the surface of inorganic materials, particulate fillers, fibrous fillers, release agents, and the like.
  • the content of components other than the resin contained in the first resin material may be appropriately set according to the application of the composite molded article.
  • the molding machine includes an injection machine 64 that injects a first resin material for primary injection and a second resin material for secondary injection from a gate 62, a first mold 50 and a second resin material.
  • a first drive means for switching between mold closing and mold opening of the mold 52, and the second mold 52 is moved to the first mold while the first mold 50 and the second mold 52 are in the mold open state.
  • a second drive means for sliding movement with respect to the mold 50 is provided.
  • the molding machine is equipped with a control section for controlling the operations of various devices such as the injection machine 64, the first driving means, the second driving means, and the like.
  • the control unit is composed of a nonvolatile memory storing a program, a volatile memory serving as a temporary storage area for executing the program, an input/output port, a processor executing the program, and the like.
  • the control unit of the molding machine executes a program to control the operations of the first driving means, the second driving means, the injection machine 64, etc., thereby implementing the method for manufacturing a composite molded body.
  • the first mold 50 and the second mold 52 are opened. is.
  • the first mold 50 and the second mold 52 are closed as shown in FIG.
  • a first cavity is formed between the cavity portion 54 and the core portion 55, and a gap between the cavity portion 56 and the core portion 53 is formed.
  • a second cavity is formed in the
  • the first resin material is primarily injected from the injection machine 64 through the gate 62 into the first cavity and the first cavity.
  • the first molded member 1 and the second molded member 2 are respectively formed (an example of the above-described first preparation step).
  • the method of simultaneously forming the first molded member 1 and the second molded member 2 has been described, but the configuration is not limited to this.
  • the first molding member 1 and the second molding member 2 may be sequentially formed, the separately molded second molding member 2 is placed in the cavity portion 56 in advance, and the first molding member 2 is formed by the injection machine 64. Only the molded member 1 may be molded.
  • the third molded member arranged in the hollow portion formed by joining the first molded member 1 and the second molded member 2 is prepared (an example of the above-mentioned second preparation step).
  • the shape of the third molded member 3 is not particularly limited, and may be any shape intended to be formed in the hollow portion formed by joining the first molded member 1 and the second molded member 2. can.
  • the components contained in the third molded member 3 are not particularly limited, and may contain resins, metals, other components, and the like.
  • the resin and other components that can be contained in the third molding member 3 are the same as the resin and other components that can be contained in the first resin material.
  • metals include iron, stainless steel, aluminum, copper, and alloys.
  • the method for manufacturing the third molded member 3 is not particularly limited, and injection molding, die slide injection molding, blow molding, compression molding, transfer molding. General molding methods for resin moldings, such as molding method, extrusion molding method, cast molding method, etc., can be employed.
  • the third molded member 3 contains a metal
  • the method for manufacturing the third molded member 3 is not particularly limited, and a metal molding molding method such as cutting, pressing, or casting can be employed.
  • a hollow portion formed by joining the first molded member 1 and the second molded member 2 is a channel extending in the longitudinal direction of the composite molded body, and a fluid such as a coolant flows through the channel.
  • the third shaping member may be a rectifying member that rectifies the flow of the fluid.
  • the first mold 50 in which the first molding member 1 is arranged and the second mold 52 in which the second molding member 2 is arranged are opened.
  • the second mold 52 is slid in the direction of arrow A so that the first molding member 1 and the second molding member 2 face each other.
  • the mold to be moved is not limited to the second mold 52, and the first mold 50 may be moved, and both the first mold 50 and the second mold 52 may be moved. You may let Furthermore, a third molding member 3 is arranged inside the second molding member 2 .
  • the first molding member 1 arranged in the first mold 50 and the second molding member 2 arranged in the second mold 52 face each other, and the first molding member 1 With the third molding member 3 arranged between the molding member 1 and the second molding member 2, the first mold 50 and the second mold 52 are closed (the mold closing described above). example of process).
  • the third molding member 3 is not limited to being arranged inside the second molding member 2, and may be arranged inside the first molding member 1.
  • the method of disposing the third molding member 3 on the first molding member 1 or the second molding member 2 before closing the first mold 50 and the second mold 52 is not particularly limited.
  • the third molding member 3 may be fixed to the first molding member 1 or the second molding member 2 by means of fitting, fitting, hooking or the like.
  • the third molding member 3 is formed into the first mold. It is preferable that the molded member 1 and the second molded member 2 are sandwiched and fixed. As a result, the third molded member 3 can be arranged in the hollow portion with high dimensional accuracy when the first molded member 1 and the second molded member 2 are joined by secondary injection, which will be described later. In particular, by joining the first molded member 1 and the second molded member 2 using the first mold 50 and the second mold 52, and fixing the third molded member 3 in the hollow part, , the accuracy of the positional relationship between the first molding member 1 and the second molding member 2 and the third molding member 3 is excellent. More specifically, it becomes possible to arrange the third molding member 3 in the hollow portion without gaps, which is advantageous in controlling the fluid flowing through the hollow portion.
  • a second resin material is secondarily injected from an injection machine 64 through a gate 62 to join the first molding member 1 and the second molding member 2 together, forming a hollow portion.
  • a composite molded body in which the third molded member 3 is arranged is manufactured (an example of a manufacturing process).
  • the method of joining the first molded member 1 and the second molded member 2 by secondary injection of the second resin material is not particularly limited.
  • the first molding member 1 and the second molding member 1 are separated from each other such that the molds are closed to form a longitudinally extending space between the first molding member 1 and the second molding member 2 .
  • the first molded member 1 and the second molded member 2 may be joined by filling the space with the second resin material by secondary injection.
  • the second resin material may be the same as or different from the first resin material described above.
  • the resin contained in the second resin material may be the same as or different from the resin contained in the first resin material.
  • the resins contained in the first resin material and the second resin material are preferably independently thermoplastic resins.
  • the melting point of the thermoplastic resin contained in the first resin material is Alternatively, the glass transition temperature is preferably lower than the melting point or glass transition temperature of the thermoplastic resin contained in the second resin material.
  • the first molded member 1 and the second molded member 2 are joined to form a hollow portion.
  • a composite molded body in which the third molded member 3 is arranged can be obtained.
  • FIG. 5 is a schematic cross-sectional view showing an example of a composite molded body manufactured by the method for manufacturing a composite molded body of the present disclosure.
  • FIG. 6 is a schematic perspective view showing an example of a composite molded body manufactured by the method for manufacturing a composite molded body of the present disclosure.
  • FIG. 5 corresponds to a cross-sectional view taken along line AA in FIG.
  • a composite molded body 10 includes a first molded member 1, a second molded member 2 joined to the first molded member 1, a first molded member 1 and a second molded member and a third molded member 3 arranged in a flow path 4 (an example of a hollow portion) formed inside the second molded member 2 .
  • a first shaped member 1 is positioned vertically above and a second shaped member 2 is positioned vertically below.
  • the first molded member 1 and the second molded member 2 both of which are groove-shaped concave members extending in the longitudinal direction, are joined to form a composite molded body, but the present invention is limited to this configuration. not.
  • one of the first molding member and the second molding member is a groove-shaped concave member extending in the longitudinal direction
  • the other of the first molding member and the second molding member is a plate-like member extending in the longitudinal direction. may be joined to form a composite molded body.
  • the channel 4 is a channel extending in the longitudinal direction of the composite molded body 10, and the third molded member 3 is arranged.
  • the number of the third forming members 3 arranged in the channel 4 may be one, or two or more.
  • the place where the third molding member 3 is arranged is not particularly limited, and it is sufficient that the third molding member 3 is arranged in at least part of the flow path 4 .
  • the channel 4 may be a channel through which a fluid such as a coolant flows.
  • a fluid such as a coolant flows.
  • the type of fluid flowing through the channel is not particularly limited. Fluids include liquids such as water and organic solvents, and gases such as air.
  • the refrigerant may contain a component such as antifreeze.
  • the composite molded body 10 may be, for example, a cooling structure used for cooling a heating element by flowing a coolant through the channel 4 .
  • the heating element may be arranged so as to face at least part of the flow path 4, or may be arranged so as to face the discharge port 13 of the third molded member 3, which will be described later.
  • FIG. 7A is a front view showing an example of a third molded member used in the method for manufacturing a composite molded article of the present disclosure
  • FIG. 7B is a rear view thereof.
  • the third molding member 3 includes a straightening section 11, an inlet 12, and an outlet 13.
  • the straightening section 11 has a function of straightening the direction of the fluid flowing through the flow path 4 to the inlet 12 .
  • the vertically upper end and both side ends of the rectifying section 11 are in contact with the inner wall formed by the first molding member 1 and the second molding member 2, and the rectifying section 11 is in contact with the inner wall formed by the first molding member 1 and the second molding member 2 on the vertically lower side. It is connected with the inlet 12 .
  • the straightening section 11 has a structure such that the width becomes narrower in the direction in which the fluid flows on the vertically lower side.
  • the rectifying portion 11 directs the flow of the fluid in a direction that intersects the direction along the longitudinal direction of the composite molded body 10 (for example, the vertically upward direction or the vertically downward direction, the vertically upward direction in FIGS. 1 to 3).
  • a regulated supply of fluid to the inlet 12 is provided.
  • the fluid rectified by the rectifying section 11 is supplied to the inlet 12 .
  • the inlet 12 is connected to the outlet 13, and the outlet 13 directs the fluid supplied from the inlet 12 to the interior of the third molded member 3 in a specific direction (for example, vertically upward direction or vertically downward direction). , vertically upward direction in FIGS. 1 to 3).
  • the number of inlets 12 and the number of outlets 13 may each independently be one or plural.
  • the third molding member 3 may comprise an inlet and a plurality of outlets connected to the inlet. As a result, the fluid supplied to the inside of the third molding member 3 from one inlet 12 is discharged from the plurality of outlets.
  • a heating element 15 may be placed on the composite molded body 10 so as to face the third molded member 3, and a coolant may flow through the flow path 4.
  • the arrow X means the flow direction of the refrigerant.
  • the flow of the refrigerant is rectified in the direction of the inlet 12 as indicated by the arrow X by the rectifying section 11 .
  • the straightening unit 11 adjusts the flow of the coolant vertically upward and supplies the coolant to the inlet 12 .
  • the discharge port 13 discharges the coolant supplied from the inflow port 12 into the inside of the third molding member 3 toward the heating element 15, which is the vertically upward direction. As a result, the coolant is supplied in the direction of the heating element 15, and the heating element 15 can be efficiently cooled.
  • the heating element 15 is not particularly limited, and includes electronic components such as power semiconductors and capacitors, and components that are electrically connected to electronic components and generate heat through resistance.
  • the method for manufacturing a composite molded body of the present invention is not limited to the above-described embodiments, and includes various modifications within the technical concept of the present invention.
  • the third molded member used for manufacturing the composite molded body of the present disclosure is not limited to the structure shown in FIG. Any molded member in place is included.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne un procédé de production comprenant : une première étape de préparation consistant à préparer un premier élément de moulage et un deuxième élément de moulage qui est apte à former un corps moulé composite pourvu d'une partie creuse en étant raccordé au premier élément de moulage ; une seconde étape de préparation consistant à préparer un troisième élément de moulage disposé dans la partie creuse formée par le premier élément de moulage et le deuxième élément de moulage qui sont assemblés ; et une étape de fermeture de moule consistant à fermer le premier moule et le second moule dans un état dans lequel le premier élément de moulage disposé dans un premier moule et le deuxième élément de moulage disposé dans un second moule se font face, et dans lequel le troisième élément de moulage est disposé entre le premier élément de moulage et le deuxième élément de moulage. Dans ce procédé de production, une résine est injectée dans le premier moule et le second moule fermés, le premier élément de moulage et le deuxième élément de moulage sont assemblés l'un à l'autre, et un corps moulé composite est produit, le troisième élément de moulage étant disposé dans la partie creuse.
PCT/JP2021/048027 2021-01-26 2021-12-23 Procédé de production de corps moulé composite WO2022163251A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022578175A JPWO2022163251A1 (fr) 2021-01-26 2021-12-23

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-010419 2021-01-26
JP2021010419 2021-01-26

Publications (1)

Publication Number Publication Date
WO2022163251A1 true WO2022163251A1 (fr) 2022-08-04

Family

ID=82654425

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/048027 WO2022163251A1 (fr) 2021-01-26 2021-12-23 Procédé de production de corps moulé composite

Country Status (2)

Country Link
JP (1) JPWO2022163251A1 (fr)
WO (1) WO2022163251A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11342521A (ja) * 1998-06-02 1999-12-14 Daikyo Inc 合成樹脂製中空体の製造方法及びその装置
JP2006015738A (ja) * 2004-05-31 2006-01-19 Takagi Seiko Corp 中空部にインサート部材を固定した樹脂成形品及びその成形方法
WO2014112600A1 (fr) * 2013-01-18 2014-07-24 大成プラス株式会社 Échangeur thermique et procédé pour sa fabrication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11342521A (ja) * 1998-06-02 1999-12-14 Daikyo Inc 合成樹脂製中空体の製造方法及びその装置
JP2006015738A (ja) * 2004-05-31 2006-01-19 Takagi Seiko Corp 中空部にインサート部材を固定した樹脂成形品及びその成形方法
WO2014112600A1 (fr) * 2013-01-18 2014-07-24 大成プラス株式会社 Échangeur thermique et procédé pour sa fabrication

Also Published As

Publication number Publication date
JPWO2022163251A1 (fr) 2022-08-04

Similar Documents

Publication Publication Date Title
US5423670A (en) Enhanced thermal transfer injection molding apparatus
JPH01285322A (ja) 射出成形方法及びその装置
KR20010086087A (ko) 나선형 홈을 갖는 주입 주형 냉각 코어
JP2009506912A (ja) プラスチック製品を成形するための金型、および金型要素を製造するための方法
US7798806B2 (en) Two-piece bottom insert for a mold cavity
JP2005509543A (ja) 容器を形成するための方法および装置
WO2022163251A1 (fr) Procédé de production de corps moulé composite
JP3855083B2 (ja) 中空成形品の成形方法および製造装置
KR20190108498A (ko) 중공 프로파일 복합체 기술
US20090324770A1 (en) Bottom Insert With Heat Insulation
JPH0716945A (ja) 中空体製品の成形方法および成形用金型
JP2007517690A (ja) 射出圧縮成形
JP6419518B2 (ja) インサート成形用金型を用いたインサート成形方法
JPH06198670A (ja) 多材料射出成形方法及び多材料射出成形用金型
JP2004249654A (ja) 射出成形用金型
JP2004237500A (ja) 樹脂成形品の製造方法
KR101030595B1 (ko) 웰드레스 방식의 사출금형 장치
CN114286742A (zh) 用于形成热塑性制品的模制方法
US11045993B2 (en) One-piece mould bottom with optimised fluid circulation
JP2004136532A (ja) 多層中空体の射出成形方法および射出成形用金型
JP4302127B2 (ja) 中空成形品
JP6418102B2 (ja) 樹脂製燃料タンクの製造方法
JP2009090558A (ja) 射出成形金型、射出成形品の製造方法、および射出成形品
EP3268206B1 (fr) Procédés, ensembles, systèmes et pré-ensembles de stade intermédiaire de récipients à chambres multiples pour fabriquer un récipient à chambres multiples
EP4011597A1 (fr) Conduit d'air pouvant être produit par moulage par soufflage

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: 21923254

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2022578175

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21923254

Country of ref document: EP

Kind code of ref document: A1