Substrate with Wiring Member and Method for Manufacturing Substrate with Wiring Member

Abstract

To provide a technology capable of strongly bonding a sheet and an adherend.SOLUTION: An adherend 10 with a wiring member includes an adherend 20 having an adherend surface 22, a first sheet 30 overlapping with the adherend surface 22, a second sheet 40 overlapping with the first sheet 30, a linear transmission member 50 positioned between the first sheet 30 and the second sheet 40, and an adhesive member 60 adhering the first sheet 30, the second sheet 40 and the adherend 20. The adhesive member 60 includes a first layer portion 61 provided between the first sheet 30 and the adherend surface 22, a second layer portion 62 provided on the opposite side from the adherend surface 22 side relative to the first sheet 30, and a bonding portion 63 bonding the first layer portion 61 and the second layer portion 62 on the side of the first sheet 30.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present disclosure relates to an adherend with a wiring member and a method for manufacturing an adherend with a wiring member.

Background Art

[0002] Patent Document 1 discloses a technique for keeping a plurality of electric wires flat. In Patent Document 1, the plurality of electric wires are kept flat, for example, by being sandwiched between two sheets.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] The sheet of the wiring member described in Patent Document 1 may be fixed to the adherend. It is desired that the sheet and the adherend be firmly fixed.

[0005] Therefore, an object is to provide a technique capable of firmly fixing the sheet and the adherend.

Means for Solving the Problems

[0006] The adherend with a wiring member of the present disclosure includes an adherend having an adherend surface, a first sheet overlapping the adherend surface, a second sheet overlapping the first sheet, a linear transmission member positioned between the first sheet and the second sheet, and an adhesive member bonding the first sheet, the second sheet, and the adherend. The adhesive member includes a first layer portion provided between the first sheet and the adherend surface, a second layer portion provided on a side opposite to the adherend surface side with respect to the first sheet, and a connecting portion connecting the first layer portion and the second layer portion on a side of the first sheet, and is an adherend with a wiring member. [Advantages of the Invention]

[0007] According to the present disclosure, the sheet and the adherend are firmly fixed. [Brief Description of the Drawings]

[0008]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

[0009] [Description of Embodiments of the Present Disclosure] First, embodiments of the present disclosure will be listed and described.

[0010] The adherend with a wiring member of the present disclosure is as follows.

[0011] (1) A adherend having an adherend surface, a first sheet overlapping the adherend surface, a second sheet overlapping the first sheet, a linear transmission member positioned between the first sheet and the second sheet, and an adhesive member bonding the first sheet, the second sheet, and the adherend. The adhesive member includes a first layer portion provided between the first sheet and the adherend surface, a second layer portion provided on a side opposite to the adherend surface side with respect to the first sheet, and a connecting portion connecting the first layer portion and the second layer portion on a side of the first sheet. It is an adherend with a wiring member. Since the side edge of the first sheet is surrounded by the first layer portion, the second layer portion, and the connecting portion, the first sheet is less likely to be peeled off from the adherend, and the first sheet and the adherend are firmly adhered.

[0012] (2) In the adherend with a wiring member of (1), the second layer portion may be positioned between the first sheet and the second sheet. Thereby, the first sheet and the second sheet are adhesively fixed via the second layer portion.

[0013] (3) In the adherend with a wiring member of (2), the adhesive member may include an exposed portion exposed laterally from a side edge of the second sheet along a width direction of the second sheet. Thereby, it becomes easier for the side edge of the second sheet to be adhered to the adhesive member, and the side edge of the second sheet is less likely to be peeled off from the adhesive member.

[0014] (4) In the adherend with a wiring member of (3), a protruding portion protruding farther from the adherend surface than the second layer portion may be provided in the exposed portion along a thickness direction of the adhesive member. Thereby, the protruding portion serves as a criterion for determining that the adhesive member is properly adhered.

[0015] (5) In the adherend with a wiring member of any one of (1) to (4), the second sheet may include an extending portion extending laterally from the first sheet to cover the connecting portion. Thereby, the extending portion of the second sheet is adhesively fixed to the adherend surface via the connecting portion without passing through the first sheet.

[0016] (6) In any one of the adherends with a wiring member according to (1) to (5), the adhesive member includes a first end portion and a second end portion along the extending direction of the linear transmission member, and the connecting portion may continuously extend from the first end portion to the second end portion. Thereby, the first layer portion and the second layer portion can be connected via the connecting portion over the entire length of the adhesive member along the extending direction of the linear transmission member.

[0017] (7) In any one of the adherends with a wiring member according to (1) to (6), the first sheet includes a first nonwoven fabric in contact with the first layer portion, and the adhesive member may include a first penetration layer portion that is continuous with the first layer portion and penetrates into the first nonwoven fabric. Thereby, an anchor effect is exerted on the adhesion between the adhesive member and the first sheet.

[0018] (8) In any one of the adherends with a wiring member according to (1) to (7), the second sheet includes a second nonwoven fabric in contact with the second layer portion, and the adhesive member may include a second penetration layer portion that is continuous with the second layer portion and penetrates into the second nonwoven fabric. Thereby, an anchor effect is exerted on the adhesion between the adhesive member and the second sheet.

[0019] (9) In any one of the adherends with a wiring member according to (1) to (8), the linear transmission member may be fixed to either the first sheet or the second sheet. Thereby, when the linear transmission member is sandwiched between the first sheet and the second sheet, it is less likely to protrude from between the first sheet and the second sheet. Thereby, the fixing operation becomes easy.

[0020] (10) Further, the method for manufacturing an adherend with a wiring member according to the present disclosure includes a step of stacking an adhesive member sheet, a first sheet, a linear transmission member, and a second sheet in this order on the adherend surface of the adherend, and bending a portion of the adhesive member sheet that protrudes laterally of the first sheet so as to contact the second sheet; and a step of heating and softening the bent adhesive member sheet to bond the adherend, the first sheet, and the second sheet via the adhesive member sheet. Thus, the adherend, the first sheet, and the second sheet can be integrally bonded and fixed by the bent adhesive member sheet.

[0021] [Details of Embodiments of the Present Disclosure] Specific examples of the adherend with a wiring member and the manufacturing method thereof according to the present disclosure will be described below with reference to the drawings. It should be noted that the present disclosure is not limited to these examples, but is defined by the claims, and is intended to include all modifications within the meaning and scope equivalent to the claims.

[0022] [Embodiment 1] Hereinafter, the adherend with a wiring member and the manufacturing method thereof according to Embodiment 1 will be described. FIG. 1 is a plan view showing the adherend with a wiring member according to Embodiment 1. FIG. 2 is a cross-sectional view taken along line II-II of FIG. 1. FIG. 3 is an enlarged view of region A1 in FIG. 2. FIGS. 4 and 5 are cross-sectional views showing the manufacturing method of the adherend with a wiring member according to Embodiment 1. FIGS. 4 and 5 are schematic cross-sectional views at the same position as FIG. 3.

[0023] The adherend with a wiring member 10 includes an adherend 20, a first sheet 30, a second sheet 40, a linear transmission member 50, and an adhesive member 60.

[0024] The adherend 20 is a member provided at a location in the vehicle where the linear transmission member 50 is disposed. In the example shown in FIG. 1, the intermediate portion of the linear transmission member 50 is disposed on the adherend 20. The first end portion of the linear transmission member 50 extends outward from the first end portion of the adherend 20. The second end portion of the linear transmission member 50 extends outward from the second end portion of the adherend 20. Either one or both of the first end portion and the second end portion of the linear transmission member 50 may be disposed on the adherend 20.

[0025] The adherend 20 is a vehicle-mounted component. For example, the adherend 20 is a member retrofitted to the vehicle body. The adherend 20 may be incorporated into the vehicle together with the linear transmission member 50. The adherend 20 and the linear transmission member 50 may be conveyed to the vehicle assembly plant in a state where they are the adherend 10 with a wiring member. The adherend 20 may be, for example, a rigid member. The flexible first sheet 30, the second sheet 40, and the linear transmission member 50 may be fixed to the adherend 20 so as to be maintained in a shape corresponding to the adherend 20.

[0026] For example, the adherend 20 may be a bracket or the like. The adherend 20 may have another function in addition to the function of fixing the linear transmission member 50. Such a function may be, for example, a function of fixing a device or the like. Further, the adherend 20 may be provided with a fixing portion to the vehicle. When the adherend 20 and the vehicle are screwed together, the fixing portion provided on the adherend 20 may be any portion used for screwing, and may be, for example, a through hole, a screw hole, a nut, a stud bolt, or the like.

[0027] The adherend 20 may be a member that is pre-assembled to the vehicle before the linear transmission member 50 is assembled to the vehicle. The adherend 20 and the linear transmission member 50 may be conveyed to the vehicle assembly plant separately from each other. For example, the adherend 20 may be a body panel, a body frame, or the like.

[0028] The adherend 20 has an adherend surface 22. A first sheet 30 is adhered to the adherend surface 22 via an adhesive member 60. Here, the adherend surface 22 is made of metal. The adherend 20 is a member including a metal member, such as a single metal member or a composite member of a metal member and a resin member. The surface of this metal member is the adherend surface 22. However, the adherend surface 22 may be made of resin. In this case, the adherend 20 is a member including a resin member, such as a single resin member or a composite member of a metal member and a resin member, and the surface of the resin member is the adherend surface 22.

[0029] The first sheet 30 overlaps the adherend surface 22. The first sheet 30 has a first surface 31 and a second surface 32. The first surface 31 is the surface facing the adherend surface 22. The second surface 32 is the surface facing the second sheet 40.

[0030] A part of the first sheet 30 is a cover part 33, and another part is a sheet fixing part 34. The cover part 33 is a part covering the linear transmission member 50. The sheet fixing part 34 is a part fixed to the second sheet 40. In the first sheet 30, the middle part along the parallel direction of the linear transmission member 50 is the cover part 33, and both end parts are the sheet fixing parts 34.

[0031] The second sheet 40 overlaps the first sheet 30. The second sheet 40 has a third surface 41 and a fourth surface 42. The third surface 41 is the surface facing the first sheet 30. The fourth surface 42 is the surface facing the side opposite to the third surface 41.

[0032] A part of the second sheet 40 is a cover part 43, and another part is a sheet fixing part 44. The cover part 43 is a part covering the linear transmission member 50 from the side opposite to the cover part 33. The linear transmission member 50 is disposed between the cover parts 33 and 43. The sheet fixing part 44 is a part fixed to the first sheet 30. The sheet fixing parts 34 and 44 are fixed by the adhesive member 60 in a state of being in contact with each other. In the second sheet 40, the middle part along the parallel direction of the linear transmission member 50 is the cover part 43, and both end parts are the sheet fixing parts 44.

[0033] The first sheet 30 is longer than the second sheet 40 along the extending direction of the linear transmission member 50. In the example shown in FIG. 1, the first sheet 30 is longer than the adherend 20. The first end of the first sheet 30 extends outward from the first end of the adherend 20 together with the linear transmission member 50. The second end of the first sheet 30 extends outward from the second end of the adherend 20 together with the linear transmission member 50. Either one or both of the first end and the second end of the first sheet 30 may be disposed on the adherend 20.

[0034] The second sheet 40 is shorter than the first sheet 30 along the extending direction of the linear transmission member 50. In the example shown in FIG. 1, the second sheet 40 has the same length as the adherend 20. In the second sheet 40, the dimension along the extending direction of the linear transmission member 50 is larger than the dimension along the parallel direction of the linear transmission member 50. Both the first end and the second end of the second sheet 40 are disposed on the adherend 20. The first end of the second sheet 40 is disposed at the first end of the adherend 20, and the second end of the second sheet 40 is disposed at the second end of the adherend 20. Either one or both of the first end and the second end of the second sheet 40 may extend outward from the end of the adherend 20.

[0035] The second sheet 40 may be formed to be short along the extending direction of the linear transmission member 50 and provided at a plurality of spaced positions on the adherend 20. For example, in the second sheet 40, the dimension along the extending direction of the linear transmission member 50 may be smaller than the dimension along the parallel direction of the linear transmission member 50.

[0036] The first sheet 30 includes a nonwoven fabric layer 36. A void 38 is formed between a plurality of fibers 37 in the nonwoven fabric layer 36. The void 38 reaches from the first surface 31 to the second surface 32. In this example, the first sheet 30 has a single-layer structure. The first sheet 30 has only the nonwoven fabric layer 36. The first sheet 30 may have a multi-layer structure.

[0037] The second sheet 40 includes a non-woven fabric layer 46. A gap 48 of the second sheet 40 is formed between a plurality of fibers 47 in the non-woven fabric layer 46. The gap 48 reaches from the third surface 41 to the fourth surface 42. In this example, the second sheet 40 has a single-layer structure. The second sheet 40 has only the non-woven fabric layer 46. The second sheet 40 may have a multi-layer structure.

[0038] The fibers 37, 47 in the non-woven fabric layers 36, 46 may be synthetic fibers or natural fibers. The synthetic fibers may be made of resin. The type of such resin is not particularly limited, and polyethylene terephthalate (PET), polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), etc. can be adopted. The non-woven fabric of the non-woven fabric layer 36 and the non-woven fabric of the non-woven fabric layer 46 may be of the same type or different types from each other. As two non-woven fabrics of different types from each other, the fiber material, fiber thickness, basis weight, etc. may be different.

[0039] The linear transmission member 50 is a linear member that transmits electricity, light, etc. One or a plurality of linear transmission members 50 are provided. The linear transmission member 50 is assumed to be a member that connects components in a vehicle. For example, a connector is provided at an end of the linear transmission member 50. By connecting this connector to a connector provided on a counterpart component, the linear transmission member 50 is connected to the counterpart component. The connector may be fixed to the first sheet 30. The connector may be provided outside the first sheet 30.

[0040] The linear transmission member 50 includes a transmission line main body 51 and a coating layer 52. The transmission line main body 51 is a transmission path for transmitting electricity or light. For example, when the linear transmission member 50 is an electric wire, the transmission line main body 51 is a conductor core wire. The conductor core wire is composed of one or a plurality of strands. The strands are formed using materials such as copper, copper alloy, aluminum, aluminum alloy, etc. Also, for example, when the linear transmission member 50 is an optical fiber, the transmission line main body 51 is a core and a cladding. The coating layer 52 is a layer that covers the transmission line main body 51. The resin material constituting the coating layer 52 is not particularly limited and can be set as appropriate. For example, the linear transmission member 50 may be a general electric wire having a core wire and a coating layer around the core wire, or may be a shielded wire, a twisted wire, an enameled wire, a nichrome wire, an optical fiber, etc.

[0041] As the linear transmission member 50 for transmitting electricity, various signal lines and various power lines may be used. A part of the linear transmission member 50 for transmitting electricity may be used as an antenna, a coil, etc. that sends or receives signals or power to / from space.

[0042] Also, the linear transmission member 50 may be a single-core wire. A single-core wire is a single linear object. The single-core wire has a transmission path that is one linear transmission member 50. The linear transmission member 50 may be a multi-core wire. A multi-core wire is a composite of a plurality of linear objects. The multi-core wire is a linear transmission member 50 having a plurality of transmission paths. The multi-core wire may be, for example, a twisted wire, a cable in which a plurality of linear objects are gathered and covered with a sheath, etc.

[0043] The linear transmission member 50 is located between the first sheet 30 and the second sheet 40. The linear transmission member 50 is fixed to either the first sheet 30 or the second sheet 40. In this example, the linear transmission member 50 is fixed to the first sheet 30. Hereinafter, the integrated body of the first sheet 30 and the linear transmission member 50 is called a wiring body 100. The wiring body 100 is used as a wiring member for electrically (or optically communicably) connecting various components in a vehicle or the like.

[0044] The first sheet 30 and the linear transmission member 50 are partially fixed along the extending direction of the linear transmission member 50. Such a fixing portion is called a spot fixing portion 102. A plurality of spot fixing portions 102 are provided at intervals along the extending direction of the linear transmission member 50. The interval of such spot fixing portions 102 is not particularly limited and can be set as appropriate. However, the fixing portion between the first sheet 30 and the linear transmission member 50 does not necessarily have to be the spot fixing portion 102. The fixing portion between the first sheet 30 and the linear transmission member 50 may be continuously and long provided along the extending direction of the linear transmission member 50.

[0045] The fixing mode at the spot fixing portion 102 between the first sheet 30 and the linear transmission member 50 may be any fixing mode. Such a fixing mode may be a contact portion fixing, a non-contact portion fixing, or a combination of both. Here, the contact portion fixing means that the portion where the first sheet 30 and the linear transmission member 50 are in contact is adhered and fixed. Further, the non-contact portion fixing is a fixing mode that is not a contact portion fixing. For example, a sewing thread, a cover, an adhesive tape, etc. press the linear transmission member 50 toward the first sheet 30 or sandwich the first sheet 30 and the linear transmission member 50 and maintain the state. Hereinafter, it will be described assuming that the first sheet 30 and the linear transmission member 50 are in a state of contact portion fixing.

[0046] As such a mode of contact portion fixing, it may be contact portion indirect fixing, contact portion direct fixing, or a combination of both in different regions. Here, the contact portion indirect fixing means that the first sheet 30 and the linear transmission member 50 are indirectly adhered and fixed through an adhesive member such as an adhesive, an adhesive agent, a double-sided adhesive tape provided therebetween. The contact portion direct fixing means that the first sheet 30 and the linear transmission member 50 are directly adhered and fixed without passing through an adhesive member or the like provided separately. In the contact portion direct fixing, for example, it is conceivable that the resin contained in at least one of the first sheet 30 and the linear transmission member 50 is melted and adhered and fixed.

[0047] In forming such a state of direct fixing of the contact portion, it is conceivable that the resin is melted by heat, for example, or melted by a solvent. That is, as the state of direct fixing of the contact portion, it may be a state of direct fixing of the contact portion by heat, or a state of direct fixing of the contact portion by a solvent. Preferably, it is a state of direct fixing of the contact portion by heat.

[0048] At this time, the means for forming the state of direct fixing of the contact portion is not particularly limited, and known means such as welding, fusing, and soldering can be used. Here, in the spot fixing portion 102 between the first sheet 30 and the linear transmission member 50, the first sheet 30 and the linear transmission member 50 are fused. In this example, the non-woven fabric layer 36 of the first sheet 30 and the outermost layer of the linear transmission member 50 are fused. In the linear transmission member 50, the outermost layer is the coating layer 52.

[0049] The path of the linear transmission member 50 is set according to the position of the component to be connected and the like. By fixing the linear transmission member 50 to the first sheet 30, the linear transmission member 50 is kept in a state along the wiring path according to the position of each component to be connected and the like. Here, the linear transmission member 50 extends linearly on the first sheet 30. The first sheet 30 is formed in a shape (here, linear) according to the path of the linear transmission member 50. However, the path of the linear transmission member 50 may be constituted by a combination of a linear path and a bent path. The first sheet 30 may also be constituted by a combination of a linear path and a bent path. A plurality of linear transmission members 50 may be fixed to the first sheet 30 in a manner in which branch lines branch from a main line. The first sheet 30 may also be formed in a shape in which the portion to which the branch line is fixed branches from the portion to which the main line is fixed.

[0050] The first sheet 30 and the second sheet 40 may be soft members. For example, the first sheet 30 and the second sheet 40 are made of a non-woven fabric having flexibility, so that the first sheet 30 and the second sheet 40 are soft members. For example, the first sheet 30 may have flexibility to follow the bending of the linear transmission member 50. The first sheet 30 and the linear transmission member 50 may be bent in the thickness direction (bending such that the fold is along the main surface of the first sheet 30).

[0051] Here, the first sheet 30 and the second sheet 40 have the same width dimension. The first sheet 30 and the second sheet 40 overlap so that their both side edges are aligned. The first sheet 30 and the second sheet 40 may have different width dimensions. At at least one side edge, the side edge of the first sheet 30 may protrude outwardly from the side edge of the second sheet 40. At at least one side edge, the side edge of the second sheet 40 may protrude outwardly from the side edge of the first sheet 30.

[0052] The adhesive member 60 adheres the adherend 20, the first sheet 30, and the second sheet 40. The adhesive member 60 includes a first layer portion 61, a second layer portion 62, and a connecting portion 63. The first layer portion 61 is provided between the first surface 31 and the adherend surface 22. The second layer portion 62 is provided on the side opposite to the adherend surface 22 side with respect to the first sheet 30. The second layer portion 62 is provided farther from the adherend surface 22 than the first sheet 30. Here, the second layer portion 62 is located between the first sheet 30 and the second sheet 40. The connecting portion 63 connects the first layer portion 61 and the second layer portion 62 on the side of the first sheet 30.

[0053] The first layer portion 61 is adhered to the adherend surface 22 and the first surface 31. The first surface 31 is adhered to the adherend surface 22 via the first layer portion 61. At the sheet fixing portion 34 of the first sheet 30, the first surface 31 is not in contact with the adherend surface 22. At the sheet fixing portion 34 of the first sheet 30, the first surface 31 is separated from the adherend surface 22 by the thickness of the first layer portion 61. Here, no adhesive member 60 is provided in the portion of the cover portion 33. At the cover portion 33 of the first sheet 30, the first surface 31 is in contact with the adherend surface 22. An adhesive member 60 may also be provided in the portion of the cover portion 33.

[0054] The second layer portion 62 is adhered to at least the second sheet 40. Here, the second layer portion 62 is adhered to the first sheet 30 and the second sheet 40. The second layer portion 62 is adhered to the second surface 32 and the third surface 41. The side portions of the second surface 32 and the third surface 41 on the side of the linear transmission member 50 are adhered to each other via the second layer portion 62. The sheet fixing portion 34 of the second surface 32 is adhered to the sheet fixing portion 44 of the third surface 41 via the second layer portion 62.

[0055] The connecting portion 63 overlaps the adherend surface 22 on the side of the first sheet 30, that is, outside the first sheet 30 along the width direction of the first sheet 30. The connecting portion 63 is adhered to the adherend surface 22. The connecting portion 63 does not overlap the first sheet 30 in the stacking direction of the adherend surface 22 and the first sheet 30. The connecting portion 63 covers the side end surface of the first sheet 30. The connecting portion 63 may or may not be adhered to the side end surface of the first sheet 30.

[0056] In the example shown in FIG. 1, the adhesive member 60 is partially provided along the extending direction of the linear transmission member 50. The adhesive member 60 is provided at a plurality of locations spaced apart along the extending direction of the linear transmission member 50. The adhesive member 60 is provided at the first end portion and the second end portion of the adherend 20, respectively. No adhesive member 60 is provided between the first end portion and the second end portion of the adherend 20. An adhesive member 60 may be provided between the first end portion and the second end portion of the adherend 20. The adhesive member 60 may be continuously provided from the first end portion to the second end portion of the adherend 20.

[0057] The connecting member 60 includes a first end portion and a second end portion along the extending direction of the linear transmission member 50. The connecting portion 63 extends continuously from the first end portion to the second end portion of the bonding member 60. Here, in each bonding member 60 provided at each of the four corners of the second sheet 40, the connecting portion 63 extends continuously from the first end portion to the second end portion.

[0058] Here, the sheet fixing portion 34 of the first sheet 30 is sandwiched between the first layer portion 61 and the second layer portion 62 in the stacking direction with respect to the adherend surface 22, and is covered by the connecting portion 63 from the outside in the direction intersecting the stacking direction. The first layer portion 61, the second layer portion 62, and the connecting portion 63 have a U-shaped cross-sectional shape and surround the sheet fixing portion 34 of the first sheet 30.

[0059] The bonding member 60 further includes an exposed portion 64. The exposed portion 64 is exposed laterally of the side edge of the second sheet 40 along the width direction of the second sheet 40. Here, the exposed portion 64 is provided in the connecting portion 63. Here, since the side edge of the first sheet 30 and the side edge of the second sheet 40 are aligned, the entire connecting portion 63 is the exposed portion 64. For example, when the side edge of the first sheet 30 protrudes outward of the side edge of the second sheet 40, the exposed portion 64 includes the entire connecting portion 63 and the portion overlapping the protruding portion of the first sheet 30. Also, for example, when the side edge of the second sheet 40 protrudes outward of the side edge of the first sheet 30, the portion of the connecting portion 63 that protrudes outward of the side edge of the second sheet 40 is the exposed portion 64. When the side edge of the second sheet 40 protrudes outward of the side edge of the first sheet 30, there may be no exposed portion 64.

[0060] The exposed portion 64 is provided with a protruding portion 65. The protruding portion 65 protrudes farther from the adherend surface 22 than the second layer portion 62 along the thickness direction of the adhesive member 60. The protruding portion 65 may have a curved convex surface as shown in FIG. 3. The curved convex surface may have a circular cross section. The curved convex surface may be continuous up to the adherend surface 22. The contact angle between the curved convex surface and the adherend surface 22 may be an angle corresponding to the wettability of the adherend surface 22 and the adhesive member 60. The protruding portion 65 is generated, for example, when the adhesive member 60 is heated and softened and the adherend portion is pressurized as shown in FIG. 5.

[0061] Here, the adhesive member 60 includes a first penetration layer portion 66, a second penetration layer portion 67, and a third penetration layer portion 68.

[0062] The first penetration layer portion 66 is continuous with the first layer portion 61. The first penetration layer portion 66 is the portion that has penetrated into the nonwoven fabric layer 36 of the first sheet 30. The first penetration layer portion 66 has penetrated from the first layer portion 61 into the nonwoven fabric layer 36 through the void 38. On at least the first surface 31 side of the first sheet 30, the periphery of some of the fibers 37 is covered by the adhesive member 60 of the first penetration layer portion 66.

[0063] The second penetration layer portion 67 is continuous with the second layer portion 62. The second penetration layer portion 67 is the portion that has penetrated into the nonwoven fabric layer 46 of the second sheet 40. The second penetration layer portion 67 has penetrated from the second layer portion 62 into the nonwoven fabric layer 46 through the void 48. On at least the third surface 41 side of the second sheet 40, the periphery of some of the fibers 47 is covered by the adhesive member 60 of the second penetration layer portion 67.

[0064] The third penetration layer portion 68 is continuous with the second layer portion 62. The third penetration layer portion 68 is the portion that has penetrated into the nonwoven fabric layer 36 of the first sheet 30. The third penetration layer portion 68 has penetrated from the second layer portion 62 into the nonwoven fabric layer 36 through the void 38. On at least the second surface 32 side of the first sheet 30, the periphery of some of the fibers 37 is covered by the adhesive member 60 of the third penetration layer portion 68.

[0065] The degree of penetration of each of the first penetration layer portion 66, the second penetration layer portion 67, and the third penetration layer portion 68 is not particularly limited and can be set as appropriate. For example, as shown in FIG. 3, in the first sheet 30, there may be a layer through which the adhesive member 60 does not penetrate between the first penetration layer portion 66 and the third penetration layer portion 68. Also, for example, the first penetration layer portion 66 and the third penetration layer portion 68 may be connected in the stacking direction. In the sheet fixing portion 34, the adhesive member 60 may penetrate entirely along the thickness direction. Also, for example, as shown in FIG. 3, the second penetration layer portion 67 may not reach the fourth surface 42. Also, for example, the second penetration layer portion 67 may reach the fourth surface 42.

[0066] The type of the adhesive member 60 is not particularly limited, but it is preferably an adhesive or the like that can be heated to exhibit adhesiveness. The adhesive member 60 may be capable of being heated to soften and have fluidity. Such an adhesive member 60 may be, for example, a hot melt adhesive.

[0067] The thickness dimensions of the first layer portion 61 and the second layer portion 62 are not particularly limited and can be set as appropriate. For example, the thickness dimensions of the first layer portion 61 and the second layer portion 62 may be the same as the thickness dimension of the sheet fixing portion 34 of the first sheet 30, or may be larger or smaller than that. For example, the thickness dimensions of the first layer portion 61 and the second layer portion 62 may be between 0.1 mm and 2 mm.

[0068] The width dimensions of the first layer portion 61 and the second layer portion 62 are not particularly limited and can be set as appropriate. For example, the width dimensions of the first layer portion 61 and the second layer portion 62 may be larger than the thickness dimensions of the first layer portion 61 and the second layer portion 62. For example, the width dimensions of the first layer portion 61 and the second layer portion 62 may be between 5 mm and 20 mm.

[0069] The width dimension of the connecting portion 63 is not particularly limited and can be set as appropriate. For example, the width dimension of the connecting portion 63 may be larger than the thickness dimension of the first layer portion 61 and the thickness dimension of the second layer portion 62. For example, the width dimension of the connecting portion 63 may be smaller than the width dimension of the first layer portion 61 and the width dimension of the second layer portion 62. For example, the width dimension of the connecting portion 63 may be between 0.5 mm and 5 mm.

[0070] <Manufacturing method> Next, a method for manufacturing the adherend 10 with a wiring member will be described.

[0071] The manufacturing method of the adherend 10 with a wiring member includes a stacking step and an adhesion step.

[0072] In the stacking step, the adhesive member sheet 60B, the first sheet 30, the linear transmission member 50, and the second sheet 40 are stacked in this order on the adherend surface 22 of the adherend 20. In the example shown in FIG. 4, the first sheet 30 and the linear transmission member 50 are integrated and provided in a state of becoming the wiring body 100. Further, in the stacking step, the portion of the adhesive member sheet 60B that protrudes laterally of the first sheet 30 is bent and stacked so as to contact the second sheet 40. Here, as shown in FIG. 4, the bent portion of the adhesive member sheet 60B is stacked so as to enter between the first sheet 30 and the second sheet 40.

[0073] In the adhesion step, the bent adhesive member sheet 60B is heated and softened, and the adherend 20, the first sheet 30, and the second sheet 40 are adhered via the adhesive member sheet 60B. The heating method of the adhesive member sheet 60B is not particularly limited and can be set as appropriate. When the adhesive member sheet 60B is heated, the adhesive member will eventually soften and enter a state where it exhibits adhesiveness. The adhesive member that exhibits adhesiveness adheres to the adherend surface 22, the sheet fixing portions 34, 44, whereby the adherend 20, the first sheet 30, and the second sheet 40 are adhered via the adhesive member sheet 60B.

[0074] In the subsequent step, as shown in FIG. 5, while the bonding portion is being pressed by the pressing members 80 and 81, the bonding member sheet 60B may be heated. That is, the bonding portion may be heated and pressed. When the bonding portion is heated and pressed, the sheet fixing portions 34 and 44 may be compressed and deformed, and may become thinner than the cover portions 33 and 43. In the bonding step, as shown in FIG. 5, only a portion of the bonding portion where the second sheet 40 is located may be heated and pressed. In this case, the bonding member may leak out to the outside of the second sheet 40 to form the protruding portion 65.

[0075] Also, in the bonding step, the heat-softened bonding member may penetrate into the nonwoven fabric layers 36 and 46. When the bonding portion is heated and pressed, the heat-softened bonding member is likely to penetrate into the nonwoven fabric layers 36 and 46.

[0076] The adherend 10 with the wiring member is completed in a state where the bonding member that has penetrated into the second sheet 40 does not reach the fourth surface 42. For example, by adjusting the heating time, the pressure of the pressing member, etc., it is possible to prevent the bonding member that has penetrated into the second sheet 40 from reaching the fourth surface 42.

[0077] <Effects, etc.> According to the adherend 10 with the wiring member configured as described above, since the side edge of the first sheet 30 is surrounded by the first layer portion 61, the second layer portion 62, and the connecting portion 63, the side edge of the first sheet 30 is less likely to be peeled off from the adherend 20, and the first sheet 30 and the adherend 20 are firmly bonded.

[0078] This will be described with reference to FIG. 6. FIG. 6 is a cross-sectional view showing an adherend 10X with a wiring member according to another example.

[0079] In the adherend 10X with a wiring member, except for the adhesive member 60X, it is the same as the adherend 10 with a wiring member, so the same reference numerals are used and the description is omitted. The adhesive member 60X is different from the adhesive member 60 in that it does not include the connecting portion 63. For this reason, in the adhesive member 60X, the first layer portion 61 and the second layer portion 62 are not connected and exist independently of each other. In this case, the side edge of the side portion of the first sheet 30 rather than the portion adhered to the adhesive member 60X may protrude outside the adhesive member 60X and may be caught by a peripheral member.

[0080] On the other hand, in the adherend 10 with a wiring member, since the side edge of the first sheet 30 is surrounded by the first layer portion 61, the second layer portion 62, and the connecting portion 63, it is difficult to be caught by a peripheral member.

[0081] Also, the second layer portion 62 is located between the first sheet 30 and the second sheet 40. Thereby, the first sheet 30 and the second sheet 40 are adhesively fixed via the second layer portion 62 therebetween. Also, when the adhesive portion is sandwiched by the pressing members 80 and 81, since the pressing member 81 can contact the second sheet 40, it is suppressed that the pressing member 81 contacts the adhesive member sheet 60B.

[0082] Also, the adhesive member 60 includes an exposed portion 64 that protrudes laterally from the side edge of the second sheet 40 along the width direction of the second sheet 40. Thereby, it becomes easier to adhere to the adhesive member 60 up to the side edge of the second sheet 40, and it becomes difficult for the side edge of the second sheet 40 to peel off from the adhesive member 60.

[0083] Also, the exposed portion 64 is provided with a protruding portion 65 that protrudes farther from the adhered surface 22 than the second layer portion 62 along the thickness direction of the adhesive member 60. The presence of this protruding portion 65 serves as a criterion for determining that the adhesive member 60 is properly adhered. For example, as described above, when the adhesive portion is heated and pressed, if the energy applied to the adhesive portion is small, the protruding portion 65 is less likely to occur. Therefore, the presence of the protruding portion 65 can be regarded as indicating that a sufficiently large amount of energy has been applied to the adhesive portion.

[0084] Further, the adhesive member 60 includes a first end portion and a second end portion along the extending direction of the linear transmission member 50, and the connecting portion 63 extends continuously from the first end portion to the second end portion. Thereby, the first layer portion 61 and the second layer portion 62 can be connected via the connecting portion 63 over the entire length of the adhesive member 60 along the extending direction of the linear transmission member 50.

[0085] Further, the first sheet 30 includes a nonwoven fabric layer 36 as a first nonwoven fabric in contact with the first layer portion 61, and the adhesive member 60 includes a first penetration layer portion 66 that is continuous with the first layer portion 61 and penetrates into the nonwoven fabric layer 36. Thereby, an anchor effect is exerted on the adhesion between the adhesive member 60 and the first sheet 30.

[0086] Further, the second sheet 40 includes a nonwoven fabric layer 46 as a second nonwoven fabric in contact with the second layer portion 62, and the adhesive member 60 includes a second penetration layer portion 67 that is continuous with the second layer portion 62 and penetrates into the nonwoven fabric layer 46. Thereby, an anchor effect is exerted on the adhesion between the adhesive member 60 and the second sheet 40.

[0087] Further, the linear transmission member 50 is fixed to either the first sheet 30 or the second sheet 40. Thereby, when the linear transmission member 50 is sandwiched between the first sheet 30 and the second sheet 40, it is difficult for the linear transmission member 50 to protrude from between the first sheet 30 and the second sheet 40. This facilitates the fixing operation.

[0088] Further, according to the manufacturing method of the adherend 10 with a wiring member, the adherend 20, the first sheet 30, and the second sheet 40 can be integrally adhesively fixed by the bent adhesive member sheet 60B.

[0089] [Appendix] FIG. 7 is a cross-sectional view showing an adherend 110 with a wiring member according to a first modification.

[0090] The second sheet 140 of the adherend 110 with a wiring member includes an extension portion 45 that extends laterally beyond the first sheet 30 and covers the connection portion 63. As a result, the extension portion 45 of the second sheet 140 is adhesively fixed to the adherend surface 22 via the connection portion 63 without passing through the first sheet 30.

[0091] In the adherend 110 with a wiring member, most of the connection portion 63 is covered by the extension portion 45. As a result, in the adherend 110 with a wiring member, the exposed portion 164 of the adhesive member 160 is smaller than the exposed portion 64 of the adhesive member 60 in the adherend 10 with a wiring member. In the adherend 110 with a wiring member, there may be no exposed portion 164.

[0092] Also, the exposed portion 164 of the adherend 110 with a wiring member is not provided with the protruding portion 65. The exposed portion 164 of the adherend 110 with a wiring member may also be provided with the protruding portion 65.

[0093] FIG. 8 is a cross-sectional view showing an adherend 210 with a wiring member according to a second modification.

[0094] In the adherend 210 with a wiring member, the second layer portion 262 of the adhesive member 260 is on the side opposite to the first sheet 30 with respect to the second sheet 40. The second layer portion 262 is adhered to the fourth surface 42 of the second sheet 40. The first layer portion 61 and the second layer portion 262 sandwich the sheet fixing portions 34, 44. The connection portion 263 covers the side end surfaces of the first sheet 30 and the second sheet 40 from the outside.

[0095] The second surface 32 and the third surface 41 are in contact without an adhesive member 260 therebetween. The fibers 37 of the second surface 32 and the fibers 47 of the third surface 41 are in contact with each other. The second surface 32 and the third surface 41 may not be adhered to each other. The second surface 32 and the third surface 41 may be adhered to each other. The first penetration layer portion 66 may reach the second surface 32 and penetrate from the third surface 41 into the second sheet 40. The second penetration layer portion 67 may reach the third surface 41 and penetrate from the second surface 32 into the first sheet 30. The adhesive member 260 may penetrate entirely along the thickness direction of the first sheet 30 and the second sheet 40 so that the first penetration layer portion 66 and the second penetration layer portion 67 are in contact with each other.

[0096] FIG. 9 is a cross-sectional view showing an adherend 310 with a wiring member according to a third modification. The adherend 310 with a wiring member is different from the above-described adherend 10 with a wiring member in that the first sheet 330 has a multilayer structure. The first sheet 330 has a two-layer structure including a nonwoven fabric layer 36 and a fusion layer 39.

[0097] The fusion layer 39 is laminated closer to the linear transmission member 50 side than the nonwoven fabric layer 36. The fusion layer 39 and the linear transmission member 50 are fusion-fixed. The fusion layer 39 is a layer more suitable for fusion with the linear transmission member 50 than the nonwoven fabric layer 36. Thereby, the fixing strength of the spot fixing portion 102 is increased, and for example, even if there is a thick linear transmission member 350, the spot fixing portion 102 is less likely to come off. The fusion layer 39 contains a resin material, preferably a thermoplastic resin material. The resin material of the fusion layer 39 softens and fuses to the fusion partner. Such a resin material is not particularly limited, and the above-described resin materials such as those described for the material of the nonwoven fabric layer 36 can be used. Preferably, the material of the coating layer 52 and the material of the fusion layer 39 are compatible. Here, the resin material constituting the coating layer 52 is of the same type as the resin material constituting the fusion layer 39. For example, the resin material constituting the fusion layer 39 and the resin material constituting the coating layer 52 are PVC or polyolefin.

[0098] The fusion layer 39 is a non-fiber material sheet. The non-fiber material sheet is a sheet without fibers. The fusion layer 39 may be a sheet having a uniform solid cross-section (also called a non-foamed sheet or a solid sheet). Also, for example, the fusion layer 39 may be a foamed sheet or the like.

[0099] The fusion layer 39 is partially laminated on the non-woven fabric layer 36. In the first sheet 330, the fusion layer 39 is provided in the cover portion 33 and not in the sheet fixing portion 34. In the cover portion 33, the surface of the fusion layer 39 forms the second surface 32. In the sheet fixing portion 34, the surface of the non-woven fabric layer 36 forms the second surface 32. Thus, even in the first sheet 330 having a multi-layer structure of the non-woven fabric layer 36 and the fusion layer 39, the void 38 easily appears on the first surface 31 and the second surface 32 of the sheet fixing portion 34. Thereby, also in the adherend 310 with a wiring member, the first penetration layer portion 66 and the third penetration layer portion 68 can be obtained. The fusion layer 39 may be entirely laminated on the non-woven fabric layer 36. In the sheet fixing portion 34 of the first sheet 330, the void 38 may not appear on the second surface 32.

[0100] The surface of the fusion layer 39 and the surface of the non-woven fabric layer 36 are in contact with each other, and the fusion layer 39 and the non-woven fabric layer 36 are fixed. The fixing mode of the fusion layer 39 and the non-woven fabric layer 36 is not particularly limited, but it is preferably fixed by fusion or adhesion. Since the non-woven fabric layer 36 has voids 38, the resin material or adhesive of the fusion layer 39 can enter the voids 38 and be fixed. Thereby, a so-called anchor effect is exhibited, and the fusion layer 39 and the non-woven fabric layer 36 are firmly fixed. Here, it is described that the fusion layer 39 and the non-woven fabric layer 36 are fused. That is, after the resin of the fusion layer 39 enters between the fibers 37 of the non-woven fabric layer 36 in a state where the resin has fluidity, it is cured. Thereby, the state where the resin of the fusion layer 39 enters between the fibers 37 in the non-woven fabric layer 36 is maintained, and the fusion layer 39 and the non-woven fabric layer 36 are firmly fixed.

[0101] In addition, the respective configurations described in the above embodiments and each modification can be appropriately combined as long as they do not contradict each other.

Explanation of reference numerals

[0102] 10, 10X, 110, 210, 310 Substrate with Wiring Member 20 Substrate 22 Adhesive Surface 30, 330 First Sheet 31 First Surface 32 Second Surface 33 Cover Portion 34 Sheet Fixing Portion 36 Nonwoven Fabric Layer (First Nonwoven Fabric) 37 Fiber 38 Void 39 Fusing Layer 40, 140 Second Sheet 41 Third Surface 42 Fourth Surface 43 Cover Portion 44 Sheet Fixing Portion 45 Extension Portion 46 Nonwoven Fabric Layer (Second Nonwoven Fabric) 47 Fiber 48 Void 50, 350 Linear Transmission Member 51 Transmission Line Body 52 Coating Layer 60, 60X, 160, 260 Adhesive Member 60B Adhesive Member Sheet 61 First Layer Portion 62, 262 Second Layer Portion 63, 263 Connection Portion 64, 164 Exposed Portion 65 Protruding Portion 66 First Penetration Layer Portion 67 Second Penetration Layer Portion 68 Third Penetration Layer Portion 80, 81 Pressing Member 100 Wiring Body 102 Spot Fixing Portion

Claims

1. An adherend having an adherend surface, A first sheet overlapping the adherend surface, A second sheet overlapping the first sheet, A linear transmission member located between the first sheet and the second sheet, An adhesive member bonding the first sheet, the second sheet, and the adherend, Comprising: The adhesive member includes a first layer portion provided between the first sheet and the adherend surface, a second layer portion provided on the side opposite to the adherend surface side with respect to the first sheet, and a connecting portion connecting the first layer portion and the second layer portion on the side of the first sheet, The second layer portion is located between the first sheet and the second sheet, The adhesive member includes an exposed portion that is exposed laterally of the side edge of the second sheet along the width direction of the second sheet, The exposed portion is provided with a protruding portion that protrudes farther from the adherend surface than the second layer portion along the thickness direction of the adhesive member. An adherend with a wiring member.

2. An adherend having an adherend surface, A first sheet overlapping the adherend surface, A second sheet overlapping the first sheet, A linear transmission member located between the first sheet and the second sheet, An adhesive member bonding the first sheet, the second sheet, and the adherend, Comprising: The adhesive member includes a first layer portion provided between the first sheet and the adherend surface, a second layer portion provided on the side opposite to the adherend surface side with respect to the first sheet, and a connecting portion connecting the first layer portion and the second layer portion on the side of the first sheet, The second sheet includes an extending portion that extends laterally of the first sheet and covers the connecting portion. An adherend with a wiring member.

3. The adherend with a wiring member according to Claim 1 or Claim 2, The adhesive member includes a first end portion and a second end portion along the extending direction of the linear transmission member, The connecting portion continuously extends from the first end portion to the second end portion. An adherend with a wiring member.

4. The adherend with a wiring member according to any one of Claims 1 to 3, The first sheet includes a first non-woven fabric in contact with the first layer portion, The adhesive member includes a first penetration layer portion that is continuous with the first layer portion and penetrates into the first non-woven fabric. An adherend with a wiring member.

5. The adherend with a wiring member according to any one of Claims 1 to 4, The second sheet includes a second non-woven fabric in contact with the second layer portion, The adhesive member includes a second penetration layer portion that is continuous with the second layer portion and penetrates into the second nonwoven fabric, and is an adherend with a wiring member.

6. An adherend with a wiring member according to any one of Claims 1 to 5, wherein the linear transmission member is fixed to either the first sheet or the second sheet.

7. A step of stacking an adhesive member sheet, a first sheet, a linear transmission member, and a second sheet on the adherend surface of the adherend in this order, and folding a portion of the adhesive member sheet that protrudes laterally of the first sheet so as to contact the second sheet; A step of heating and softening the folded adhesive member sheet to bond the adherend, the first sheet, and the second sheet via the adhesive member sheet; comprising: In the stacking step, the folded portion of the adhesive member sheet is stacked so as to enter between the first sheet and the second sheet, and the adhesive member sheet is exposed laterally of the side edge of the second sheet along the width direction of the second sheet; The adhesive member sheet becomes an adhesive member including a first layer portion provided between the first sheet and the adherend surface, a second layer portion provided on the side opposite to the adherend surface side with respect to the first sheet, and a connecting portion connecting the first layer portion and the second layer portion laterally of the first sheet through the bonding step; In the bonding step, a bonding target portion of the adhesive member sheet is pressed to provide a protruding portion that protrudes farther from the adherend surface than the second layer portion along the thickness direction of the adhesive member. A method for manufacturing an adherend with a wiring member.

8. A step of stacking an adhesive member sheet, a first sheet, a linear transmission member, and a second sheet on the adherend surface of the adherend in this order, and folding a portion of the adhesive member sheet that protrudes laterally of the first sheet so as to contact the second sheet; A step of heating and softening the folded adhesive member sheet to bond the adherend, the first sheet, and the second sheet via the adhesive member sheet; comprising: The adhesive member sheet becomes an adhesive member including a first layer portion provided between the first sheet and the adherend surface, a second layer portion provided on the side opposite to the adherend surface side with respect to the first sheet, and a connecting portion connecting the first layer portion and the second layer portion laterally of the first sheet through the bonding step; The method for manufacturing an adherend with a wiring member, wherein the second sheet includes an extending portion that extends laterally from the first sheet to cover the connecting portion.

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