JP2012071519A - Resin molding, and die for manufacturing resin molding - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a resin molding that is made electrically conductive from a surface side through to a backside in a simple structure, and also to provide a die to be used for the manufacture of the resin molding.SOLUTION: The resin molding has resin parts on both sides of a sheet-like electric function component 1. The electric function component 1 has: a first area 1A exposed on the front side; a second area 1B exposed on the back side; and a connection area 1C which displaces the first and second areas 1A and 1B into both sides of the resin molding, and connects them to be mutually electrically conductive. A first resin part 4 is arranged on the back side of the first area 1A as a resin part provided on the back side of the electric function component 1, and a second resin part 5 is arranged on the front side of the second area 1B as a resin part provided on the front side of the electric function component 1.

Description

  The present invention relates to a resin molded product in which a resin portion is laminated on a sheet-like electrical functional component and an injection mold used for the production.

  The electrical functional component is a component that adds an electrical function to various products such as electronic devices, and may be arranged on the surface of various products depending on the application. In this case, from the viewpoint of securing strength as a member, the electrical functional component is often configured by laminating resin portions. For example, there is a plastic plate having an additional function such as electromagnetic wave shielding by laminating a thermoplastic resin 4 on a thermoplastic resin film (electrical functional component) 1 on which a conductive layer is formed (Patent Document 1, FIG. 12). Further, there is a resin molded product in which resin portions 4 and 5 are laminated on the front and back surfaces of the sheet-like electrical functional component 1 (see Patent Document 2 and FIG. 13). In any of these resin molded products, at least one layer of the resin portion is laminated on the entire surface of the electrical functional component 1 so that the occurrence of warpage is suppressed.

JP 2003-298280 A WO2009 / 035038

  In the resin molded product shown in FIG. 12, when the electrical functional component 1 is arranged on the front side of various products, the resin part 4 is interposed between the control circuit and the like on the product main body side. In order to electrically connect the two, it is necessary to make a special structure such as partially providing a through hole in the resin portion. In the resin molded product shown in FIG. 13, the electrical functional component 1 is an intermediate layer, and the electrical functional component 1 is exposed by reducing one resin portion 5 to make electrical connection with the control circuit on the main body side. Connection is possible. However, since the resin parts 4 and 5 exist on the front and back sides of the electrical functional component 1 and the resin molded product has a three-layer structure, the resin molded product tends to be thick. Moreover, since the resin part of the product exists on the front side of the electrical functional component 1, for example, when the electrical functional component 1 is an antenna, the function as an antenna (electrical functional component) may not be sufficiently exhibited. there were.

  An object of the present invention is to provide a resin molded product that can be thinned while being electrically connected from the front surface side to the back surface side with a simple structure, and a mold used for manufacturing the resin molded product.

  1st characteristic structure of the resin molded product which concerns on this invention is a resin molded product which has a resin part in the front side and back side of a sheet-like electrical functional component, Comprising: The said electrical functional component is exposed to the front side. Displacement of the first region, the second region exposed on the back side, the first region and the second region to the front side and the back side of the resin molded product, and connecting to electrically connect each other The first resin portion is disposed on the back side of the first region as the resin portion on the back side of the electrical functional component, and the second resin portion on the front side of the electrical functional component is the second resin portion. The second resin portion is arranged on the front side of the region.

  With this configuration, the electrical functional component can be arranged on the surface of the resin molded product and can fully exhibit the electrical function. Further, the first region exposed on the front side and the second region exposed on the back side can be electrically connected to each other by the connection region, and the control circuit arranged on the apparatus main body side and the electricity appearing on the back side of the resin molded product It is possible to connect to the terminals of the functional parts.

  In addition, the two-layer resin portions arranged on the front side and the back side of the electrical functional component are not laminated in the thickness direction of the resin molded product, but in the thickness direction, the first region of the electrical functional component and the first region One resin part is laminated, and the second region and the second resin part are laminated. For this reason, although it is a resin molded product in which two layers of resin parts are arranged on the front side and the back side of the electrical functional component, the electrical functional component and one resin part are laminated in the thickness direction, and the thickness is A thin resin molded product can be obtained.

  The 2nd characteristic structure of the resin molded product which concerns on this invention exists in the point with which the said electrical functional component equips the surface with a base material sheet.

  Many elements that actually perform their functions in sheet-like electrical functional parts are basically low in wear resistance. When the electrical functional component has a base sheet on the surface as in this configuration, the function-providing element is protected by the base sheet, and as a result, the electrical function is not impaired in the resin molded product. , Durability can be improved.

  According to a third characteristic configuration of the resin molded product according to the present invention, in the electrical functional component, the first intersecting region where the connection region and the first region intersect, and the connection region and the second region intersect. At least one of the second intersecting regions is formed in an R shape.

In the first intersection region where the connection region and the first region intersect, the first resin portion is arranged from the back side of the first region, and in the second intersection region where the connection region and the second region intersect, The resin part is arranged from the front side of the second region.
At this time, if at least one of the first intersecting region and the second intersecting region is formed in an R shape, the intersecting region formed in the R shape is easily along the resin portion. It is suppressed that a space | gap produces between them. As a result, the adhesion between the resin portion and the electrical functional component is improved.

  The 4th characteristic structure of the resin molded product which concerns on this invention exists in the point which has provided the decoration layer in the surface of at least any one among the said 1st area | region exposed to the front side, and the said 2nd resin part.

When the decorative layer is provided on the surface of the first region of the electrical functional component exposed on the front side of the resin molded product, depending on the type of the electrical functional component, the decorative layer is disposed on the front side of the resin molded product. It is also possible to conceal the electrical functional component, and it is possible to improve the decorativeness of the electrical functional component.
Moreover, when the decoration layer is provided in the surface of the 2nd resin part exposed to the front side of a resin molded product, while the decorating property of a 2nd resin part improves, it is arrange | positioned by the decoration layer on the back side of a resin molded product. It is also possible to hide the second region of the electrical functional component.

  A first characteristic configuration of an injection mold according to the present invention is an injection mold used for manufacturing a resin molded product having a resin portion on the front side and the back side of an electrical functional component, which is a movable mold. And a first fixed mold that forms a first cavity between the movable mold and mold clamping, and the electrical functional component is disposed along a cavity surface of the first fixed mold. A first gate from which a first resin is injected so as to form a first resin portion in the cavity, and the first resin portion is fixed to the electrical functional component, and then moves while holding the first resin portion. A second resin is injected so as to form a second resin part in the second cavity, and a second fixed mold that forms a second cavity between the movable mold and the electrical functional component by clamping the mold. A second gate, the first cavity and the first gate. Lies in the cavity is configured to be formed in a different region of the plane perpendicular direction to the clamping direction.

  With this configuration, first, the first resin is injected into the first cavity formed by clamping the movable mold and the first fixed mold, and the first resin portion is formed on one side of the electrical functional component. Primary molding is performed, and then the first resin is injected into the second cavity formed by clamping the movable mold and the second fixed mold, and the second resin portion is provided on the other side of the electrical functional component. Secondary forming is performed. At this time, when the first cavity and the second cavity are formed in different areas in the plane direction perpendicular to the clamping direction, the first area of the electrical functional component exposed on the front side is located behind the connection area as a boundary. A resin molded product in which the first resin portion is formed and the second resin portion is formed on the front side of the second region of the electrical functional component exposed on the back side can be easily manufactured.

  A second characteristic configuration of the injection mold according to the present invention is that the movable mold and the first fixed mold have a suction portion for sucking and holding the electrical functional component.

With this configuration, the electrical functional component is sucked and held by the first fixed mold suction portion during primary molding, and the electrical functional component is sucked and held by the movable suction portion during secondary molding. The Therefore, it is possible to prevent a problem that the molten resin to be injected wraps around from the peripheral edge portion of the electrical functional component during the injection molding.
In addition, the electrical functional parts are sucked and held by the movable type and the first fixed type suction part, so that the accuracy of the alignment of the electrical functional parts in the mold is improved. The resin part is reliably injection-molded at the position.

Perspective view of electrical functional parts Diagram showing the manufacturing process of resin molded products Diagram showing the manufacturing process of resin molded products Diagram showing the manufacturing process of resin molded products Diagram showing the manufacturing process of resin molded products It is a figure which shows the resin molded product of 1st Embodiment, Comprising: (a) is a top view, (b) is sectional drawing. It is a figure which shows the resin molded product of 2nd Embodiment, Comprising: (a) is a top view, (b) is sectional drawing. The figure which shows the injection mold of another form Sectional drawing of the resin molded product of 3rd Embodiment It is a figure which shows the resin molded product of other embodiment, Comprising: (a) is a top view, (b) is sectional drawing. Sectional drawing of the resin molded product of other embodiment Figure showing a conventional resin molded product with a single resin part in an electrical functional part Diagram showing a conventional resin molded product with two layers of resin parts in an electrical functional component

[First Embodiment]
Hereinafter, the resin molded product according to the present invention will be described with reference to the drawings.

[Electrical functional parts]
As shown in FIG. 1, the electrical functional component 1 has a sheet shape as a whole. For example, the electrical functional component 1 is configured by forming an electrode or the like as the electrical functional portion 3 on the base sheet 2. The electrical functional component 1 is disposed on the surface of a resin molded product and adds an electrical function, and is, for example, an electrode, electronic paper, an antenna, a touch sensor, an EL sheet, or the like.

  After the electrical functional part 3 is formed on the base sheet 2, the electrical functional component 1 includes a first region 1A exposed on the front surface side of the resin molded product and a second region exposed on the back surface side of the resin molded product. 1B and 1st area | region 1A and 2nd area | region 1B are displaced to the front side and back side of a resin molded product, and it shape | molds so that it may have the connection area | region 1C which connects mutually so that it may electrically conduct. The electrical function unit 3 is continuously arranged in the first region 1A, the second region 1B, and the connection region 1C, and the terminal 3a is located in the second region 1B.

  Various patterns can be formed on the substrate sheet 2, but a plain color sheet without a pattern may be used. Moreover, the base material sheet 2 may be colorless and transparent. The base sheet 2 can be composed of various resins such as an acrylic resin and a polyolefin resin.

  Next, the two-color molding die used for manufacturing the resin molded product according to the present invention will be described. The two-color molding die is provided in a two-color molding machine whose parts are shown in the drawing. As shown in FIGS. 2 to 5, the movable molds 11, 11, the first fixed mold 12, and the second Two fixed molds 13 are provided.

  The two-color molding machine includes a fixed platen 14 and a rotary platen 15 that is rotatable with respect to the fixed platen 14 and that can be withdrawn and retracted. The fixed platen 14 includes a first fixed mold 12 and a second fixed mold 13, and the rotary plate 15 includes movable molds 11 and 11. The movable molds 11 and 11 and the first fixed mold 12 and the second fixed mold 13 are arranged so as to face each other. Therefore, as shown in FIG. 3, when the turntable 15 is pressed against the fixed platen 14, the movable molds 11, 11 and the first fixed mold 12 and the second fixed mold 13 are simultaneously clamped to inject the first resin. And the second resin can be injected at the same time.

  The first resin and the second resin may be different colored resins. For example, the first resin may be transparent, and the second resin may be colored to form a resin molded product having a transparent window. Moreover, it is good also as another kind of resin from which hardness and other characteristics mutually differ. For example, the first resin may be polycarbonate resin, ABS resin, or an alloy of polycarbonate resin and ABS resin, and the second resin may be PMMA (polymethyl methacrylate resin).

  As shown in FIG. 2, in a state before mold clamping, the movable mold 11 facing the second fixed mold 13 has a primary molded product F <b> 1 (the electrical functional component 1 and the first resin portion 4) molded in the previous process. ) Is held. On the other hand, the first fixed mold 12 holds the electrical functional component 1 used in the subsequent primary molding. The two-color molding machine includes a robot device 16 for installing the electrical functional component 1 on the first fixed mold 12.

  The movable die 11 is provided with suction portions 17 and 17 for sucking and holding the electrical functional component 1, and the first fixed die 12 is also provided with a suction portion 18 for sucking and holding the electrical functional component 1. ing. The first fixed mold 12 is provided with a gate 23 for injecting a first resin, and the second fixed mold 13 is provided with a gate 24 for injecting a second resin.

  Below, the manufacturing method of the resin molded product using this two-color molding machine is demonstrated.

[Process of placing electrical functional parts]
As shown in FIG. 2, in a state where the movable mold 11 and the first fixed mold 12 are opened, the electrical functional component 1 is installed on the first fixed mold 12 using the robot device 16. Here, the electrical functional component 1 is provided in the first fixed mold 12 in a state where the base sheet 2 side of the electrical functional component 1 faces the first fixed mold 12 and the electrode 3 side faces the movable mold 11. The suction part 18 is held by suction.

[Process for forming the first cavity]
As shown in FIG. 3, the rotating plate 15 is moved toward the fixed platen 14, the movable die 11 is clamped with respect to the first fixed die 12, and the electrical functional component sucked and held by the first fixed die 12. A first cavity 21 is formed between 1 and the movable mold 11.

[Process of molding the first resin part]
Next, as shown in FIG. 4, the first resin is injected from the first gate 23 of the first fixed mold 12 toward the first cavity 21. When the first resin is injected into the first cavity 21, the electrical functional component 1 is pressed against the first fixed mold 12 by the pressure of the injected first resin. At this time, the first resin portion 4 is molded on the back side of the first region 1A of the electrical functional component 1 by the injection of the first resin, and the first resin is injected on the back side of the second region 1B of the electrical functional component 1. Not. Thus, the primary molded product F1 provided with the electrical functional component 1 and the first resin portion 4 is molded.

[Step of forming second cavity]
As shown in FIG. 5, after opening the mold, with the movable mold 11 holding the primary molded product F <b> 1 (the electrical functional component 1 and the first resin portion 4), the turntable 15 is rotated 180 degrees, The position is opposite to the second fixed mold 13. Thereafter, the turntable 15 is moved to the fixed platen 14 side, and the movable mold 11 and the second fixed mold 13 are clamped. As shown in FIG. 3, the primary molded product F1 supported by the movable mold 11 is obtained. A second cavity 22 is formed between the electrical functional component 1 and the second fixed mold 13. At this time, the second region 1B of the electrical functional component 1 is sucked and held by the suction portion 17 provided in the movable mold 11 during mold clamping.

[Process of molding the second resin part]
As shown in FIG. 4, the second resin is injected from the second gate 24 of the second fixed mold 13 toward the second cavity 22. That is, the second resin is injected into the front side of the second region 1B in the electrical functional component 1, and the second resin portion 5 is molded. At this time, since the second cavity 22 is not formed on the front side of the first region 1A of the electrical functional component 1, the second resin is not injected. In addition, since the second region 1B of the electrical functional component 1 is sucked and held by the suction portion 17 when the second resin is injected, a problem that the second resin wraps around the back side of the second region 1B is prevented. The

  After that, as shown in FIG. 5, the rotary plate 15 is separated from the fixed platen 14, the movable mold 11 and the second fixed mold 13 are opened, and the solidified secondary molded product (resin molded product) P is movable. Remove from mold 11.

  Next, the turntable 15 is rotated 180 degrees so that the movable mold 11 holding the primary molded product F1 and the second fixed mold 13 are opposed to each other, and secondary molding is performed by injection of the second gate 24 of the second fixed mold 13. In addition, the movable mold 11 from which the resin molded product P is taken out and the first fixed mold 12 are opposed to each other, and primary molding is performed by injection of the first gate 23 of the first fixed mold 12. By repeating the above operation, a secondary molded product (resin molded product) P in which the first resin portion 4 and the second resin portion 5 are provided on the front and back of the electrical functional component 1 is manufactured.

  6A and 6B, the resin molded product P is a first resin on the back side of the first region 1A of the electrical functional component 1 as a resin part on the back side of the electrical functional component 1. The part 4 is arranged, and the second resin part 5 is arranged on the front side of the second region 1 </ b> B of the electrical functional component 1 as a resin part on the front side of the electrical functional part 1.

  Thus, when manufacturing the multilayer molded product in which the electrical functional component 1 is disposed between the two resin layers 4 and 5, first, the electrical functional component 1 is exposed to the front side of the resin molded product P. The first region 1A and the second region 1B exposed on the back side, the first region 1A and the second region 1B are displaced to the front side and the back side of the resin molded product P, and are connected so as to be electrically connected to each other. And a connecting region 1C to be formed. As a result, the first resin portion 4 can be disposed on the back side of the first region 1A of the electrical functional component 1 as the resin portion on the back side of the resin molded product P, and the electrical functional component 1 as the resin portion on the front side of the resin molded product P. The second resin portion 5 could be arranged on the front side of the second region 1B.

  Thus, the electrical function component 1 is disposed on the surface of the resin molded product P, so that the electrical function can be sufficiently exhibited. Further, the first region 1A exposed on the front side and the second region 1B exposed on the back side can be electrically connected to each other by the connection region 1C, and the control circuit disposed on the apparatus main body side and the resin molded product P can be electrically connected. Connection with the terminal 3a of the electrical functional part (electrode) 3 of the electrical functional component 1 appearing on the back side becomes possible.

  In addition, the two layers of the resin portions 4 and 5 arranged on the front side and the back side of the electrical functional component 1 are not laminated in the thickness direction of the resin molded product P, but the connection region 1C of the electrical functional component 1 is provided. It is arranged in a horizontal direction that is perpendicular to the thickness direction. For this reason, in the thickness direction of the resin molded product P, the first resin portion 4 is laminated in the first region 1A of the electrical functional component 1, and the second resin portion 5 is laminated in the second region 1B. That is, the resin molded product P is substantially configured in a state where the electrical functional component 1 and one layer of the resin portion are laminated in the thickness direction. Therefore, the resin molded product P can be thinned by adjusting the length and inclination of the connection region 1C or by reducing the thickness of the resin portion.

[Second Embodiment]
As shown in FIGS. 7 (a) and 7 (b), the sheet-like electrical functional component 1 is composed of only the electrical functional part 3, and is configured to be directly exposed to the surface of the resin molded product. May be.

[Third Embodiment]
The resin molded product P may have a configuration in which a decorative layer is provided on the surface of the first region 1A of the electrical functional component 1 exposed on the front side or the second resin portion 5. In order to provide a decorative layer on the surface of the first region 1A or the second resin portion 5, for example, as shown in FIG. 8, a decorative sheet feeding device is provided in the second fixed mold 13 of the two-color molding machine. . The decorative sheet feeding device usually has a film sending device 31 that sends out a decorative film (transfer foil) 30, a film winding device 32 that winds up the decorative film 30, and a rectangular frame shape that sandwiches the decorative film 30. And a clamp 33.

  In the decorative film 30, the decorative layer 30a fused to the first region 1A of the electrical functional product 1 or the second resin portion 5 and the base sheet for handling are integrated. The decorative layer 30a generally has a peeling protective layer that is the outermost layer of the final multilayer molded product and an adhesive layer that is fused to the resin portion, and generally between the peeling protective layer and the adhesive layer. A pattern layer is provided.

  When the second resin is injected and the second resin portion 5 is molded after the second fixed mold 13 and the movable mold 11 are clamped by the decorative sheet feeding device disposed in the second fixed mold 13. The decorative film 30 is in close contact with the first region 1A and the second resin portion 5 of the electrical functional component 1. Thereafter, the base sheet of the decorative film 30 is naturally peeled off from the decorative layer 30a by mold opening, and only the decorative layer 30a is the first region 1A or the second of the electrical functional component 1 as shown in FIG. A secondary molded product (resin molded product) P transferred to the surface of the resin portion 5 is obtained.

  As a material of the base sheet, for example, a resin sheet such as a polypropylene resin, a polystyrene resin, a polyamide resin, a polyester resin, an acrylic resin, a polyvinyl chloride resin, or a sheet in which these are combined is used. Can do. Moreover, in order to improve the peelability of the base sheet 30, a release layer made of an aminoalkyd resin or the like may be formed between the base sheet and the decorative layer 30a. The thickness of the base sheet is preferably 5 to 500 μm.

  Examples of the material for the release protective layer include acrylic resins, polyester resins, polyvinyl chloride resins, cellulose resins, rubber resins, polyurethane resins, polyvinyl acetate resins, and vinyl chloride-vinyl acetate. Copolymers such as ethylene-based copolymer resins and ethylene-vinyl acetate copolymer resins can be used. When the peel protection layer requires hardness, a photo-curing resin such as an ultraviolet curable resin, a radiation curable resin such as an electron beam curable resin, or a thermosetting resin may be selected and used.

  For the adhesive layer, a material having a high affinity with the resin to be fused should be selected. For example, when the material of the transfer object is an acrylic resin, an acrylic resin may be used. In addition, when the material of the transferred material is a polyphenylene oxide / polystyrene resin, a polycarbonate resin, a styrene copolymer resin, or a polystyrene blend resin, an acrylic resin, a polystyrene resin, A polyamide resin or the like may be used. When the material of the transfer object is a polypropylene resin, a chlorinated polyolefin resin, a chlorinated ethylene-vinyl acetate copolymer resin, a cyclized rubber, or a coumarone indene resin may be used. The thickness of the adhesive layer is preferably 0.5 to 50 μm.

[Fourth Embodiment]
In the resin molded product P, an intersection region between the connection region 1C of the electrical functional component 1 and the first region 1A or the second region 1B is a region in which a void is easily generated between the resin part. Therefore, in the present embodiment, as shown in FIG. 9, in the resin molded product P, the first intersecting region A where the connection region 1C of the electrical functional component 1 intersects the first region 1A, and the connection region 1C and the second region. A second intersection region B where the region 1B intersects is formed in an R shape.

  When at least one of the first intersecting region A and the second intersecting region B is formed in an R shape, for example, when the resin part is injection-molded, the molten resin is injected along the intersecting region. It becomes easy to be done. Thereby, it is suppressed that a space | gap arises between intersection area | region A, B and the resin parts 4 and 5, and the adhesiveness of the resin parts 4 and 5 and the electrical functional component 1 improves. As a result, the bonding state between the electrical functional component 1 and the resin parts 4 and 5 in the resin molded product P becomes stronger.

[Other Embodiments]
(1) In each of the above embodiments, the example in which the first region 1A of the electrical functional component 1 is continuously formed on the surface of the resin molded product P has been shown. 10 (a) and 10 (b), the first resin portion 4 is exposed at the center, and the first region 1A is formed around the first resin portion 4, as shown in FIGS. Alternatively, the first region 1A may be formed only in a part of the periphery of the first resin portion 4.

(2) In the above embodiment, in the resin molded product P, the first region 1A and the second resin part 5 of the electrical functional component 1 on the front surface side, the second region 1B of the electrical functional component 1 on the back surface side, and Although the 1st resin part 4 is comprised so that it may become substantially flush, when the 1st area | region is made into upper direction and the 2nd area | region is made into the downward direction as shown in FIG. You may comprise so that the position of the back surface of the part 4 may be located above the back surface of the 2nd area | region 1B of the electrical functional component 1. FIG. Moreover, you may comprise so that the position of the surface of the 2nd resin part 5 may be located below the 1st area | region 1A of the electrical functional component 1. FIG.

(3) In the above embodiment, the electrical functional component 1 is formed after the electrical functional portion 3 is formed on the base sheet 2. However, the electrical functional component 1 is the base sheet 2. The electrical functional part 3 may be formed after molding. When the electrical functional component 1 is molded after the electrical functional part 3 is formed on the base sheet 2 by sticking, the electrical functional part 3 may be displaced from a desired position during molding. In the case where the electrical functional part 3 is formed by sticking after the base sheet 2 is molded, there is no such concern.

(4) In said 3rd Embodiment, the structure which transfers the decorating layer 30a to the surface of 1st area | region 1A of the 2nd resin part 5 or the electrical functional component 1 using the decorating film 30 (transfer foil). Although shown, instead of this, a plain base sheet or an insert sheet with a pattern or the like on the base sheet may be integrated as it is, or the decoration film 30 and the insert sheet are not used. Also good. The decorative film 30 may be in the form of a sheet, and the insert sheet may be in the form of a film.

(5) In the above embodiment, there are two movable molds, the turntable 15 that can be moved in and out in the lateral direction and rotatable about the axis along the lateral direction, and the first fixed mold and the second fixed mold. The multilayer molding machine provided with the fixed platen 14 having was illustrated. However, the present invention is not limited to such a multilayer molding machine, but includes a first movable plate that is provided with a movable mold and can be moved in and out in the vertical direction, and a first movable mold that is slidable in the lateral direction. Multi-layer molding machine equipped with two movable plates, or a movable plate equipped with movable molds that can be moved in and out in the horizontal direction, and the first fixed mold and the second fixed mold are mounted back to back and rotate around the vertical axis You may implement with the form using a multilayer molding machine provided with the possible turntable.

  INDUSTRIAL APPLICABILITY The present invention can be widely used as an interior product and an exterior product of various products such as an electronic device including an electrical functional component.

DESCRIPTION OF SYMBOLS 1 Electrical functional component 1A 1st area | region 1B 2nd area | region 1C Connection area | region 2 Base material sheet 3 Electrical functional part (electrode)
4 First resin part 5 Second resin part 11 Movable mold 12 First fixed mold 13 Second fixed mold 17 Suction part 18 Suction part 21 First cavity 22 Second cavity 23 First gate 24 Second gate A First crossing region B Second crossing region F1 Primary molded product P Secondary molded product (resin molded product)

Claims (6)

A resin molded product having a resin portion on the front side and the back side of the sheet-like electrical functional component,
The electrical functional component is displaced on the front side and the back side of the resin molded product, the first region exposed on the front side, the second region exposed on the back side, the first region and the second region, and And a connection region that connects each other so as to be electrically conductive,
A first resin portion is disposed on the back side of the first region as the resin portion on the back side of the electrical functional component, and a second on the front side of the second region as the resin portion on the front side of the electrical functional component. A resin molded product with a resin part.   The resin molded product according to claim 1, wherein the electrical functional component includes a base sheet on a surface.   In the electrical functional component, at least one of the first intersecting region where the connection region and the first region intersect, and the second intersecting region where the connection region and the second region intersect are in an R shape. The resin molded product according to claim 1 or 2, which is formed.   The resin molded product according to any one of claims 1 to 3, wherein a decorative layer is provided on at least one surface of the first region and the second resin portion exposed on the front side. An injection mold for use in the manufacture of a resin molded product having a resin part on the front side and the back side of the electrical functional component according to claim 1,
Movable type,
A first fixed mold that forms a first cavity with the movable mold by mold clamping;
A first gate from which a first resin is injected so as to form a first resin portion in the first cavity in a state where the electrical functional component is disposed along the cavity surface of the first fixed mold;
After the first resin portion is fixed to the electrical functional component, a second cavity is formed between the first functional portion and the electrical functional component by clamping with the movable mold that moves while holding the first resin portion. A second fixed type;
A second gate from which a second resin is injected so as to form a second resin portion in the second cavity;
An injection mold, wherein the first cavity and the second cavity are formed in different regions in a plane direction perpendicular to a mold clamping direction.   The injection mold according to claim 5, wherein the movable mold and the first fixed mold have a suction portion that sucks and holds the electrical functional component.

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