JPH09312492A - Manufacture of different profile conductor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase dimensional accuracy, reduce the cost, and obtain reliable conductivity while using a string-like sponge body by adhering a plastic tape on the upper face of the string-like sponge body and winding and adhering a conducting coating around the lower face of the sponge body. SOLUTION: Using a conductive outer coating 1, a plastic tape 2 which has a moderate rigidity, and a string-like sponge body 3 of nearly a rectangular cross section which is obtained by slicing or slitting a block- or sheet-like elastic foaming body, a different profile conductor is manufactured. While a face which becomes a bottom face (a face adhered and fastened to an object) of a finished conductor is a face A and an opposite face is a face B, the plastic tape 2 which has such a width that does not exceed that of the face A is adhered to the face A of the string-like sponge body. Furthermore, the conductive outer coating 1 is so wound and adhered around the face B of the sponge body 3 that both edges of the face B may be deformed round to obtain a conductor which has a D-shaped cross section.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention manufactures a D-shaped or P-shaped profile conductor having a shape suitable for an electromagnetic wave shielding gasket of a housing of an electronic device or a grounding conductor inside the housing. It is about how to do it.

[0002]

2. Description of the Related Art An electromagnetic wave shielding gasket installed in a gap of a sliding part such as a door or a window of an electronic device housing, a grounding conductive material installed in a space between an electronic device housing and a substrate, etc. For the purpose of, a conductor having appropriate elasticity is used.

In US Pat. No. 4,857,668, a conductive woven cloth such as a silver-coated nylon woven cloth is inserted into a mold to form a cavity, and the cavity is filled with a foaming raw material to foam the material. A method for continuously producing an electromagnetic wave shielding gasket is shown, and in addition to a rectangular cross-sectional view, a modified profile is also disclosed.

[0004]

The above-mentioned US Pat. No. 48
No. 57668, that is, a method in which a conductive woven fabric is inserted into a mold to form a cavity, and a foaming raw material is filled therein for foaming to continuously produce a gasket (hereinafter The "continuous foaming method" has an advantage of extremely high productivity.

However, this continuous foaming method involves the preparation of a foamable raw material, the timing of filling, the moving speed of the conductive woven cloth,
If you do not pay close attention to the temperature conditions, you can obtain failed products, which requires advanced control technology and increases the cost of the device. In addition, since foaming progresses slightly even after the foamed product is pulled out from the mold, there is a problem that the dimensional accuracy is poor, especially when trying to obtain a product with a deformed profile. When used for the purpose of an electromagnetic wave shielding gasket installed in a gap or a grounding conductive material installed in a gap between a housing of an electronic device and a substrate, there was concern about reliability.

The applicant of the present invention slices an elastic foam block typified by polyurethane sponge to a predetermined thickness with a slicer, and then cuts it into a predetermined width in the width direction to form a rectangular short string-like body in a sectional view, After joining the ends of the string-like body one after another to form a long string-like body, a conductive sheet made of a conductive woven cloth or an aluminum foil laminated film is wound around the string-like body through an adhesive layer. Manufactures electromagnetic wave shielding gaskets obtained by the method of sticking. Although this method is a manufacturing method that involves a manual process, it is a simple and reliable method and is suitable for the purpose of high-mix low-volume production.

However, this simple slicing method is suitable for manufacturing a rectangular sectional view, but it is difficult to smoothly obtain a sectional profile having a D-shaped or P-shaped profile. There is a point. Even if a conductor having such a shape is manufactured, if an adhesive tape is placed on the conductor and fixed to the housing, the presence of the adhesive tape may cause poor conduction, resulting in a decrease in reliability. It was

Under such a background, the present invention uses a string-shaped sponge body having a substantially rectangular shape in a sectional view obtained by slicing or slitting a block-shaped or sheet-shaped elastic foam, but has a high dimensional accuracy. In addition, it is advantageous in terms of manufacturing cost, and when it is used as an electromagnetic wave shielding gasket of a casing of an electronic device or a grounding conducting material inside the casing, it is possible to secure a reliable conductivity. It is an object of the present invention to provide an industrial method for manufacturing a conductor.

[0009]

One of the methods for producing a profile conductor of the present invention is to provide a conductive outer cover (1), a plastic tape (2) having an appropriate rigidity, and a block or sheet shape. Slices or slits of the elastic foam of the above to obtain a substantially rectangular string-shaped sponge body in cross section
(3) A method for manufacturing a conductor having a modified profile produced by using (3), wherein the surface to be the bottom surface (bonding and fixing surface to the object) of the conductor after completion is surface A and the opposite surface is surface B. When the surface is used as a surface, a plastic tape (2) having a width not exceeding the width of the A-side is adhered to the A-side of the string-like sponge (3), and the conductive jacket (1) is attached to the string-shaped sponge (3). ) Wrap and bond so that both edges on the B side are rounded and deformed.
The present invention is characterized in that a conductor having a shape is obtained.

Another method of manufacturing the profile conductor of the present invention is the same precondition as described above, but the string-like sponge body (3) is covered with the string-like sponge on the entire A surface or a large part of the A surface. A plastic tape (2) wider than the width of the A-side of the body (3) is bonded so as to protrude in one direction from the string-like sponge body (3), and the conductive outer cover (1) is attached to the string-like sponge body. (3) is characterized in that it is wound and adhered so that both end edges on the B surface side are rounded and deformed to obtain a P-shaped conductor in a sectional view.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below. In this specification, the surface which will be the bottom surface (bonding and fixing surface to the object) of the completed conductor will be referred to as the A surface, and the opposite surface will be referred to as the B surface.

<Members to be used> In the present invention, in order to manufacture a D-shaped or P-shaped profile conductor, a conductive jacket (1), a plastic tape (2) having an appropriate rigidity, and a cross section. String-shaped sponge body that is almost rectangular as viewed
Use (3). Other adhesives are used, usually adhesive tape (4) and, if necessary, filaments (5).

<Conductive Cover (1)> As the conductive jacket (1), a conductive cloth material (woven cloth, knitted cloth, non-woven cloth) is preferably used, and a metal foil such as an aluminum foil is used. You can also In the case of a metal foil, it is preferable to provide a synthetic resin film layer on one side. Among these, as the conductive cloth-like material,
Fine metal wire (monel, copper weld, aluminum,
Multifilament yarn or monofilament yarn made of tin-plated copper, etc. or metal-coated fiber (fiber coated with metal by means such as plating, vapor deposition, sputtering etc.), or cloth woven using synthetic fiber yarn. Examples of the material include metal coating (plating, vapor deposition, sputtering, etc.) or conductive resin coating.

An adhesive layer is previously formed on one surface of the conductive jacket (1).
It is desirable to provide (ad). As the adhesive for forming the adhesive layer (ad), various hot-melt adhesives such as polyester-based, polyolefin-based, ethylene-vinyl acetate copolymer-based, polyamide-based, polyurethane-based, and pressure-sensitive adhesives are preferable. (Pressure-sensitive adhesive), ordinary adhesive or the like is used.

<Plastic tape (2)> As the plastic tape (2) having an appropriate rigidity, one having a rigidity higher than that of the string-like sponge body (3) described below is used. The type of plastics is not particularly limited and, for example, polycarbonate, polyolefin, hard polyvinyl chloride, polyester, polystyrene, polyamide, cellulose triacetate and the like can be used. Although the thickness depends on the size of the conductor after completion and the material of the plastics, it is often about 0.05 to 1.5 mm, particularly about 0.1 to 1 mm.

<String-shaped sponge body (3)> As the string-shaped sponge body (3) having a substantially rectangular shape in cross section, one obtained by slicing or slitting a block-shaped or sheet-shaped elastic foam is used. In particular, a block-shaped elastic foam is preferably sliced. String sponge body
The thickness of (3) depends on the size of the conductor after completion and cannot be determined unconditionally, but is often about 2 to 20 mm, especially about 3 to 10 mm. Regarding the material of the elastic foam, sponge-like elastic foams such as polyurethane, silicone, neoprene rubber and EPDM are used, and polyurethane foam is particularly important.

<Adhesive Tape (4)> In order to facilitate mounting on an electronic device or the like, the surface A of the conductor after completion is made of an adhesive layer (4a) protected by a release sheet (4b). Adhesive tape (4)
Is usually provided. The width of the adhesive tape (4) can be appropriately set as long as it does not protrude from the A surface of the conductor. The pressure-sensitive adhesive layer (4a) may be formed of a conductive pressure-sensitive adhesive layer.

<Line (5)> Position the line (5) in the lengthwise direction inside the conductive jacket (1) on the A side of the completed conductor,
When the raised portion is formed on the A surface, even if the non-conductive pressure-sensitive adhesive layer (4a) is present on the A surface, the conduction when attached to the housing becomes more reliable. As the filament (5), for example, a thread, filament, band or the like having a diameter or thickness of about 0.1 to 1 mm is used. The filament (5) may be provided not only as a single line but also as a double line.

<< D-shaped Conductor >> The D-shaped conductor in cross section is formed by adhering a plastic tape (2) having a width not exceeding the width of the A-face to the A-face of the cord-shaped sponge body (3). It is obtained by winding and adhering the conductive outer cover (1) so that both end edges of the string-like sponge body (3) B side are deformed into a round shape.

The width of the plastic tape (2) may be the same as the width of the cord-shaped sponge body (3) or may be narrower than that. In the latter case, a string-shaped sponge body (3)
It is usual to adhere a plastic tape (2) near the center of the A side of the.

When it is intended to be used as an electromagnetic wave shielding gasket for an opening such as a door or a window of a large housing, it is required to be deformed with a low compressive force. Is preferably made of an elastic foam material having a low compressive stress (that is, softness). Therefore, after attaching a plastic tape (2) having the same width as the width of the A-side (may be slightly narrower) to the A-side of the string-like sponge body (3), the conductive jacket (1) Wrap and bond the string-shaped sponge body (3) so that both end edges on the B side are roundly deformed. At this time, since the difference in rigidity between the string-shaped sponge body (3) and the plastic staple (2) is large, the edges of the plastic staple (2) are exposed at both ends on the A side of the obtained conductor. Come on.

When the cord-shaped sponge body (3) is intended to be used as a conductor for strengthening grounding in a small-sized casing, reliable contact is required. It is desirable to use one made of foam. Therefore, on the A side of the string-shaped sponge body (3), the A
Adhere a plastic tape (2) with a width equal to or narrower than the width of the surface, and then attach the conductive jacket (1) to the cord-shaped sponge body (3) so that both end edges on the B side are rounded. Wrap and bond. At this time, since the difference in rigidity between the string-like sponge body (3) and the plastic tape (2) is small, when the conductor is compressed during use, the conductors obtained at both ends on the A side of the conductor are compressed. Can cause the string-shaped sponge body (3) to protrude from the edge of the plastic tape (2).

In order to wind and bond the conductive jacket (1) so that both end edges of the string-like sponge body (3) on the B side are rounded and deformed, the following means, for example, may be used. Is advantageous. That is, as in Example 1 (FIG. 1) and Example 2 (FIG. 3) described later, the conductive outer jacket (1) is wrapped and bonded, and the string-like sponge body (3) with the plastic tape (2) is attached. This is done while pushing it into the D-shaped (that is, U-shaped) groove.

Although the position of the seam j when the conductive jacket (1) is wound is arbitrary, it is usually positioned on the A surface in consideration of appearance and performance. In this case, the position of the joint j is A
It may be located anywhere on the surface. When the size of the conductor is large to some extent, it is desirable that the joint j is located at a position deviated from the center of the A surface. I mean,
Since the adhesive tape (4) can be installed at a position deviated from the overlapping portion due to the joint j, the adhesive tape (4)
This is because the step difference caused by the pressure-sensitive adhesive layer (4a) can be reduced. However, when a conductive adhesive layer (4a) of the adhesive tape (4) is used, the adhesive tape (4) may be provided so as to cover the joint j.

To further explain, when a soft sponge body (3) is used and the width of the conductor is narrow, the plastic tape (2) is deformed when the conductor is compressed. Since the thickness of the pressure-sensitive adhesive layer (4a) may hinder contact with the housing, it is desirable to use a conductive pressure-sensitive adhesive as the pressure-sensitive adhesive layer (4a). On the other hand, when a string-like sponge body (3) is made of a hard material, both ends of the string-like sponge body (3) protrude from the both ends of the plastic tape (2) on the A surface when the conductor is compressed. Therefore, the thickness of the pressure-sensitive adhesive layer (4a) hardly interferes with the contact with the housing.

<< P-type Conductor >> The P-type conductor is a cross-sectional view of the A-shaped sponge body (3) and the A-shaped portion of the cord-shaped sponge body (3) on the entire A-side or most of the A-side. Adhere a plastic tape (2) wider than the width of the surface so that it protrudes from the string-shaped sponge body (3) in one direction, and at the same time, attach the conductive outer cover (1).
Is obtained by winding and adhering so that both end edges of the string-like sponge body (3) on the B side are roundly deformed.

The width of the plastic tape (2) is arbitrary as long as it is wider than the width of the A-side of the cord-shaped sponge body (3). For example, the width of the A-side of the cord-shaped sponge body (3) is. It is often set to 1.5 to 3 times the width.

Regarding the degree of hardness and softness to be selected as the string-shaped sponge body (3), the consideration described in the section of the D-shaped conductor is taken according to the application.

In order to wind and bond the conductive jacket (1) so that both end edges of the string-like sponge body (3) on the B side are rounded and deformed, the following means may be used, for example. Is advantageous. That is, as in Example 3 (FIG. 4), which will be described later, the conductive outer cover (1) is wound and adhered while the string-like sponge body (3) with the plastic tape (2) is pushed into the P-shaped groove. Of.

Although the position of the seam j when the conductive jacket (1) is wound is arbitrary, it is usually located on the A surface in consideration of appearance and performance. In this case, the position of the joint j is A
Although it may be located anywhere on the surface, it is often the case that the joint j is located on the cord-like sponge body (3) on the A surface of the conductor after completion. In this case, the pressure-sensitive adhesive tape (4) is usually placed on a portion of the completed conductor, which is located on the side A of the string-shaped sponge body (3).

<< Use >> An electromagnetic wave shielding conductor having a D-shaped or P-shaped irregular profile obtained as described above is used as an electromagnetic wave shielding gasket of a housing of an electronic device or a grounding conductive material inside the housing. It can be suitably used for such purposes. In addition, it can be used for electromagnetic wave shielding or other purposes for the purpose of conduction.

<Operation> In the present invention, since the substantially rectangular string-shaped sponge body is used in cross section obtained by slicing or slitting a block-shaped or sheet-shaped elastic foamed body, it is simple and reliable. There is no trouble such as dimensional change as in the method of foaming while filling the elastic raw material. It is also advantageous in terms of manufacturing cost.

The conductor obtained by the present invention has a shape maintained by a plastic tape (2) having an appropriate rigidity within a range in which it can be appropriately deformed, and a B-shaped sponge body (3). Since the conductive jacket (1) is wrapped and adhered so that both edges on the surface side are rounded and deformed, it can be used as an electromagnetic shielding gasket for electronic equipment casings or as a grounding conducting material inside casings. , Reliable conductivity is secured.

[0034]

EXAMPLES The present invention will be further described with reference to examples.

<Preparation of various materials> As the conductive jacket (1),
After copper plating on the plain weave cloth of polyester fiber yarn,
A conductive woven fabric (surface resistance of 0.1Ω / □ or less) further plated with nickel was prepared from the above. Then, a film-shaped polyester hot melt adhesive was applied to one surface of this conductive woven fabric to form an adhesive layer (ad).

The plastic tape (2) has a thickness of 0.
A tape made of a 38 mm polycarbonate film and having an appropriate rigidity (more rigid than the hard-soft type 2 string-like sponge body (3) described below) was prepared.

Height 1m x Width 1m x Height 1m (60kg
/ m ³ ) Elastic foam block made of polyurethane foam is prepared.One is a sheet sliced with a slicer, and the other is sliced in the same way and then hot pressed in the thickness direction. With a density of 90 kg / m ³
It was made a sheet of. Then, these sheets were cut into a predetermined width by using a cutter to obtain a cord-shaped sponge body (3) of hard and soft type 2 having a rectangular cross section.

Example 1 (D-shaped conductor) FIG. 1 is an explanatory view showing an example of a process for manufacturing a conductor of the present invention. FIG. 2 is an explanatory diagram showing an example of how to use the conductor.

As shown in (a) of FIG. 1, a string-like sponge body (3) having a density of 90 kg / m ³ and a height of 8 mm is closer to the center of the A surface, and the width (8 mm) of the A surface is A slightly narrow width (6 mm) of 0.38 mm thick plastic tape (2) adhesive tape (t)
Bonded by.

Then, as shown in FIG. 1B, the central portion of the conductive jacket (1) with the adhesive layer (ad) in the form of a wide tape is attached to the surface B of the string-like sponge body (3). Glued The conductive outer cover (1) after adhesion is in a state of protruding from both sides of the string-like sponge body (3).

As shown in FIG. 1C, the member in this state is molded with the plastic tape (2) side facing up.
Push it into the groove (9) of horizontal D-shape (that is, U-shape) of (8),
One area of the conductive jacket (1) protruding from the groove (9) is pressed onto the plastic tape (2) by the jig (10) to bond the two, and then, as shown in (d) of FIG. Place the other area of the conductive jacket (1) protruding from the groove (9) on the jig (1
It was adhered by pressing it on the plastic tape (2) with 0). As a result, the conductive jacket (1) is wound and adhered so that both end edges of the surface B of the string-like sponge body (3) are roundly deformed, and the seam j of the conductive jacket (1) at that time is A.
A D-shaped conductor was obtained in a sectional view located on the plane. Regarding the dimensions of this conductor, the width of the A-side was 7 mm and the height of the peak was 4.5 mm. The compressive stress of the conductor can be changed by the compression ratio during hot pressing and the depth of the groove (9) into which the string-shaped sponge body (3) is pushed.

Finally, on the surface A of the conductor, as shown in FIG. 1E, the pressure-sensitive adhesive layer (4) protected by the release sheet (4b).
A 3 mm wide adhesive tape (4) consisting of a) was attached.

The obtained conductor can be used, for example, as shown in (a) and (b) of FIG. In FIG. 2, (6) is a housing and (7) is a substrate. Pressure is applied to the conductor from above as shown in (b) of FIG. 2, but at that time, the string-shaped sponge body (3) is deformed so as to protrude to the side of the plastic tape (2) on the A surface side. Therefore, it is easy to obtain the necessary continuity for grounding.

Embodiment 2 (D-shaped Conductor) FIG. 3 is an explanatory view showing another example of the manufacturing process of the conductor of the present invention.

As shown in FIG. 3A, the uncompressed density 60
A of the cord-shaped sponge body (3) with a height of 5 mm and a softness of kg / m ³
A 0.38 mm-thick plastic tape (2) having the same width (5 mm) as the width of the A side was adhered to the surface with an adhesive tape (t). Then, as shown in Fig. 3 (b), a cord-shaped sponge body (3)
Conductive jacket with wide tape-like adhesive layer (ad) on B side of
The central part of (1) was bonded. Further, as shown in (c) and (d) of Fig. 3, the conductive jacket (1) was wound and adhered, and the seam j was located on the A surface. A conductor having a height of 3 mm was obtained.

Finally, on the surface A of the conductor, as shown in FIG. 3 (e), a 3 mm wide adhesive tape (consisting of the conductive adhesive layer (4a) protected by the release sheet (4b) ( 4) is provided.
This conductor can be used, for example, as an electromagnetic shielding gasket for an opening such as a door or window of a housing.

Embodiment 3 (P-type Conductor) FIG. 4 is an explanatory view showing still another example of the manufacturing process of the conductor of the present invention. FIG. 5 is an explanatory view showing another example of how to use the conductor.

As shown in FIG. 4A, the uncompressed density 60
A of the cord-shaped sponge body (3) with a height of 5 mm and a softness of kg / m ³
A string-like sponge body with a 0.38 mm-thick plastic tape (2) that is twice as wide as the A-side width of 5 mm (13 mm) on the entire surface.
The adhesive tape (t) adhered so that it protruded from (3) in one direction (right side in the figure).

Then, as shown in (b) of FIG. 4, on the side B of the cord-shaped sponge body (3), one side of the conductive jacket (1) with a wide tape-shaped adhesive layer (ad) is attached. I glued the parts together. The conductive outer cover (1) after adhesion is in a state of protruding to one side from the string-like sponge body (3) to some extent and largely protruding to the other side.

Further, as shown in FIG. 4C, the member in this state is pushed into the lateral P-shaped groove (9) of the mold (8) with the side of the plastic tape (2) facing up, and the groove (9 ), One region of the conductive outer cover (1) is pressed by the jig (10) onto the plastic tape (2) on the string-like sponge body (3) to bond, and then, as shown in FIG. ), The other area of the conductive jacket (1) protruding from the groove (9) was pressed onto the plastic tape (2) with the jig (10) to bond them. This allows the cord-shaped sponge body
(3) Conductive jacket so that both edges of the B side are rounded and deformed.
(1) is wound and adhered, and the seam j of the conductive jacket (1) at that time is located on the A surface of the cord-shaped sponge body (3). A conductor having a width of 13 mm and a peak height of 3 mm was obtained.

Finally, a 6 mm wide adhesive tape (4 mm) made of the adhesive layer (4a) protected by the release sheet (4b) is provided on the portion of the conductor A which is protruded from the string-like sponge body (3) on the surface A. ) Was attached.

The obtained conductor can be attached to the sliding portion of the housing and used as shown in FIG. 5, for example. In FIG. 5, (6) is a housing, and (6 ') is a door or a window.

Example 4 (Production of P-type Conductor) FIG. 6 is an explanatory view showing another example of the conductor obtained by the present invention.

As shown in FIG. 4B, a cord-shaped sponge body (3)
The wire strip (5) made of a thread with a diameter of 0.3 mm was previously bonded from the top of the adhesive layer (ad) to the short overhanging piece of the conductive jacket (1) that is bonded to the B side of Otherwise Example 3 is repeated,
I got a conductor. In this conductor, since there is a swelling due to the existence of the filaments (5) in the region near the joint j, it becomes easier to establish the conduction.

[0055]

As described in the section of the operation, in the present invention, the substantially rectangular string-shaped sponge body is used in cross section obtained by slicing or slitting a block-shaped or sheet-shaped elastic foam. Therefore, it is simple and reliable, and troubles such as dimensional change in the method of foaming while filling the foamable raw material do not occur. It is also advantageous in terms of manufacturing cost.

The conductor obtained by the present invention has a shape maintained by a plastic tape (2) having an appropriate rigidity within a range in which it can be appropriately deformed, and a B-shaped sponge body (3) is used. Since the conductive jacket (1) is wrapped and adhered so that both edges on the surface side are rounded and deformed, it can be used as an electromagnetic shielding gasket for electronic equipment casings or as a grounding conducting material inside casings. , Reliable conductivity is secured.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an example of a manufacturing process of a conductor according to the present invention.

FIG. 2 is an explanatory diagram showing an example of how to use a conductor.

FIG. 3 is an explanatory view showing another example of the manufacturing process of the conductor of the present invention.

FIG. 4 is an explanatory view showing still another example of the manufacturing process of the conductor of the present invention.

FIG. 5 is an explanatory diagram showing another example of how to use a conductor.

FIG. 6 is an explanatory view showing another example of a conductor obtained by the present invention.

[Explanation of symbols]

 (1) ... Conductive jacket, (ad) ... Adhesive layer, (j) ... Seam, (2) ... Plastic tape, (3) ... String-shaped sponge body, (4) ... Adhesive tape, (4a) ... Adhesive layer, (4b) ... Release sheet, (5) ... Lines, (6) ... Housing, (6 ') ... Door or window, (7) ... Substrate, (8) ... Mold, (9) … Groove, (10)… Jig, (t)… Adhesive tape

Claims (8)

[Claims] 1. A conductive jacket (1), a plastic tape (2) having an appropriate rigidity, and a string which is obtained by slicing or slitting a block-shaped or sheet-shaped elastic foam and has a substantially rectangular shape in cross section. A method for producing a conductor having an irregular profile, which is produced by using a sponge body (3), wherein the surface to be the bottom surface (adhesion-fixing surface to the object) of the conductor after completion is surface A and vice versa. When the surface is the B surface, a plastic tape (2) having a width that does not exceed the width of the A surface is adhered to the A surface of the string-shaped sponge body (3), and the conductive jacket (1) is attached to the string-shaped sponge. Body (3) A method for producing an irregular profile conductor, characterized by winding and adhering so that both edges on the B side are rounded and deformed to obtain a D-shaped conductor in a sectional view. 2. The manufacturing method according to claim 1, wherein the electrically conductive jacket (1) is wound and adhered so that the joint j is located on the surface A of the completed conductor. 3. The conductive outer cover (1) is wound and adhered while the string-shaped sponge body (3) with the plastic tape (2) is pushed into the D-shaped groove. Manufacturing method. 4. The manufacturing method according to claim 1, wherein an adhesive tape (4) is provided on the surface A of the completed conductor. 5. A conductive outer jacket (1), a plastic tape (2) having an appropriate rigidity, and a string which is obtained by slicing or slitting a block-shaped or sheet-shaped elastic foam and has a substantially rectangular shape in cross section. A method for producing a conductor having an irregular profile, which is produced by using a sponge body (3), wherein the surface to be the bottom surface (adhesion-fixing surface to the object) of the conductor after completion is surface A and vice versa. When the surface is the B surface, a plastic tape (2) wider than the width of the A surface of the string-shaped sponge body (3) is formed on the entire A surface of the string-like sponge body (3) or most of the A surface. While sticking the cord-shaped sponge body (3) in one direction, and winding the conductive jacket (1) so that both ends of the string-shaped sponge body (3) on the B side are rounded and deformed. Of a profile conductor having a P-shape in cross section, Granulation method. 6. The method according to claim 5, wherein the conductive outer jacket (1) is wound and bonded so that the joint j is located on the surface A of the completed conductor. 7. The method according to claim 5, wherein the conductive outer cover (1) is wound and adhered while the string-shaped sponge body (3) with the plastic tape (2) is pushed into the P-shaped groove. Manufacturing method. 8. A cord-shaped sponge body on the A-side of the completed conductor.
The production method according to any one of claims 5 to 7, wherein the adhesive tape (4) is installed on a portion protruding from (3).