JP7612645B2 - OF/CV cable taping terminal processing method - Google Patents

Description

The present invention relates to an OF/CV cable taping terminal processing method.

Conventionally, an oil-filled (OF) cable with an oil passage is a cable that guarantees insulation by injecting and filling the inside with insulating oil at a certain pressure. Since an OF cable contains a large amount of insulating oil inside, when installing or removing the OF cable, it is necessary to cut a long OF cable laid underground before transporting or storing it. In an OF cable with cut ends, the insulating oil present inside often leaks outward from the ends. For this reason, the cut ends of the OF cable are generally sealed before being removed. Furthermore, for terminal processing after cutting the OF cable, lead processing is generally performed for the sake of workability and cost, but processing methods such as those shown in Patent Documents 1 and 2 have also been proposed.

For example, Patent Document 1 describes a method in which the plastic sheath on the outer surface of the end of an OF cable is stripped away to expose the aluminum sheath, and any irregularities on the surface of the aluminum sheath are filled in with solder, after which part of the aluminum sheath on the tip side is also stripped away, and the gap between the cable core and the aluminum sheath at that point is sealed with a cap, and further, the OF cable is inserted into the opening of a steel pipe with one end open, a ring spacer is provided between the vicinity of the opening of the steel pipe and the aluminum sheath to make contact, and then soldered to form a hermetic seal.

Patent Document 2 also describes a method in which the plastic sheath on the outer surface of the end of the oil-filled cable is stripped away to expose the metal sheath, a synthetic resin tape is wrapped around the irregularities on the surface of the metal sheath, the end is inserted through the opening of a metal tube with one end open to cover the oil-filled cable with the tube, and then a compressive force of 5 to 10 tons is applied to the outer periphery of the side of the tube using a special device to compress and integrate the oil-filled cable and the tube, sealing them together.

Japanese Unexamined Patent Publication No. 1-99427 JP 2004-343864 A

However, the conventional end treatment of an oil-filled cable, which involves lead work as shown in Patent Documents 1 and 2, has the following problems.
That is, the methods disclosed in Patent Documents 1 and 2 have the problems that special skills of a plumber are required for construction, the work takes a lot of time, and it is necessary to handle fire at the construction site.
Furthermore, in the end treatment of the OF cable in Patent Document 2, a dedicated device is required for compression, which increases the cost of the device, and there is room for improvement in this respect.

The present invention was made in consideration of these circumstances, and its purpose is to provide an OF/CV cable taping terminal processing method that does not use fire, does not require special skills, reduces the labor and cost involved in the work, and allows terminal processing work to be performed efficiently in a short time.

(1) Aspect 1 of the OF-CV cable taping terminal processing method according to the present invention is an OF-CV cable taping terminal processing method applied to an end of a cable having an oil passage, the method including: a metal layer end exposing step of removing a cable coating at the end of the cable to expose an end of a metal layer provided under the coating; a lid member attaching step of covering the end of the cable in a state in which a part of a side surface of the end of the metal layer is exposed using a lid member formed so as to cover a cross section of the end of the cable where the oil passage is exposed; an adhesive layer forming step of forming an adhesive layer on the side surface of the metal layer and the side surface of the lid member using a chemical; and a first coating member attached to the upper side of the adhesive layer. and a plated wire attachment step of winding a plated wire extending linearly around both ends of the oil leakage prevention layer in the radial direction of the oil leakage prevention layer in the oil leakage prevention layer forming step, thereby closely adhering the oil leakage prevention layer to the metal layer and also to the cover member, wherein the oil leakage prevention layer has protruding regions that protrude beyond the adhesive layer on both sides in the axial direction of the cable, and the plated wire is wound around only the protruding regions of the oil leakage prevention layer that do not cover the adhesive layer from the outer circumferential side .

According to the OF-CV cable taping terminal processing method of the present invention, by the simple steps of attaching a cover member to the metal layer at the end of a cut cable, and covering the cover member and the end of the cable with a first covering member via an adhesive layer made of a chemical on the upper layer side to form an oil leakage prevention layer, the oil path at the end of the cable can be sealed, and cable terminal processing that prevents oil leakage can be performed efficiently in a short time.
In addition, according to the present invention, since the adhesive layer is formed by the hardening of the agent, the necessary materials and equipment can be minimized, and since the effective time of the agent can be set arbitrarily, the work can be performed quickly by using an agent with a fast hardening time. Furthermore, the present invention has the advantage that a large work space is not required, and the work can be performed in a small place.

In addition, according to the present invention, compared to conventional cable termination work involving leadwork using a burner to melt lead, no special techniques are required because lead is not used, and there is no need to secure workers with advanced construction techniques, which improves work efficiency and reduces costs. Moreover, compared to leadwork, terminal processing can be performed without the need to handle open flames.

(2) Aspect 2 of the present invention is preferably such that in the OF/CV cable taping terminal processing method of aspect 1, the oil leakage prevention layer forming step includes a restraining member attachment step in which restraining members are attached to both ends of the oil leakage prevention layer in the radial direction to bring the oil leakage prevention layer into close contact with the metal layer and also bring the oil leakage prevention layer into close contact with the lid member.

In this case , the oil leakage prevention layer is radially restrained by the plated wire to which it is attached, which allows the oil leakage prevention layer and the metal layer, and the oil leakage prevention layer and the lid member to be tightly attached to each other, thereby further improving the oil leakage prevention effect of the oil leakage prevention layer.

( 2 ) Aspect 2 of the present invention is preferably characterized in that, in the OF-CV cable taping terminal processing method of aspect 1, it further comprises a cable end reinforcing step of covering an upper layer side of the oil leakage prevention layer with a second covering member to reinforce the end of the cable.

In this case, the end of the cable covered with the second covering member can be reinforced by covering and enveloping the entire oil leakage prevention layer, which has the function of preventing oil leakage, from the upper layer side with the second covering member. Therefore, the oil leakage prevention layer is protected by the second covering member, and the deterioration of the function of the oil leakage prevention layer, such as damage to the oil leakage prevention layer, can be suppressed, and the oil leakage prevention layer can be maintained for a long period of time.

( 3 ) Aspect 3 of the present invention may be characterized in that, in the OF-CV cable taping terminal processing method of aspect 1, the first covering member is a tape member having self-adhesive properties.

In this case, the airtightness provided by the first covering member can be constantly maintained by wrapping a tape member having self-adhesive properties so as to cover the adhesive layer.

( 4 ) A fourth aspect of the present invention may be characterized in that in the OF-CV cable taping terminal processing method of the third aspect, the second covering member is a tape member having hardening properties.

In this case, the installation can be easily performed by wrapping a hardening tape member around the oil leakage prevention layer, and airtightness can be maintained throughout.

( 5 ) Aspect 5 of the present invention may be characterized in that, in the OF/CV cable taping terminal treatment method of aspect 1, the agent has hardening properties and is hardenable when applied to an application surface containing oil.

In this case, the agent can harden when applied to the oil-containing application surface, so the agent applied to the side surface of the cover member and the metal layer hardens, allowing the end surface of the cable to be sealed more reliably.

The OF/CV cable taping terminal processing method of the present invention does not require the use of fire or special skills, reduces the labor and cost involved in the work, and allows terminal processing work to be completed efficiently in a short time.

1 is a cross-sectional view taken along an axial direction, showing a processing structure for an OF cable according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of an OF cable. 2 is a cross-sectional view taken along line AA in FIG. 1. 1A to 1C are diagrams showing the procedure for processing an OF cable. 5A and 5B are diagrams showing the procedure following FIG. 4C.

Below, an embodiment of the OF/CV cable taping terminal processing method according to the present invention will be described with reference to the drawings. Note that in each drawing, the scale of each component may be appropriately changed as necessary to make each component large enough to be visible.

As shown in Figures 1 and 2, the OF-CV cable taping terminal processing method of this embodiment is a construction method for blocking the end (cable end 1a) of an OF cable 1 having an oil passage 15 with oil injected inside. In other words, the OF-CV cable taping terminal processing method of this embodiment is a method in which a cover member 2 is fitted from the outside to cover and seal the cable end 1a where the OF cable 1 has been cut, and a cable processing structure 10 is applied that forms a terminal processing section for preventing the oil injected inside the OF cable 1 from leaking out.

In the OF cable 1, the anticorrosive layer 11, the metal layer 12, the insulating layer 13, and the core wire 14 are layered in this order from the outer periphery toward the center. That is, in the OF cable 1, the core wire 14 is integrally provided via the insulating layer 13 inside the metal layer 12 made of a shielding member covered with the anticorrosive layer 11. The core wire 14 is formed of a conductor and shielded by the metal layer 12, and multiple core wires are bundled in a spiral and cylindrical shape. A gap is formed inside the core wire 14. An oil passage 15 containing the core wire 14 and filled with oil is formed inside the insulating layer 13.

The OF/CV cable taping terminal processing method according to this embodiment is intended for application as a temporary repair carried out as an initial measure prior to a permanent repair, but depending on the oil leakage condition, the number of years of use of the OF cable 1, the installation environment, etc., the OF/CV cable taping terminal processing method may be applied as a permanent repair.

As shown in Figures 1 and 3, the cable treatment structure 10 includes a cover member 2 that covers a metal layer 12 exposed by stripping off the outermost layer (corrosion-resistant layer 11) of an OF cable 1 at a cable end 1a, an adhesive layer 3 made of an adhesive bond 31 (chemical agent) formed on an outer peripheral surface 12a (side surface) of the metal layer 12 and a side surface 2a of the cover member 2, an oil leakage prevention layer 4 formed by a silicone tape 41 (first covering member) that covers an upper layer side of the adhesive layer 3, a plated wire 5 that radially restrains the oil leakage prevention layer 4 at both ends 4a, 4b of the oil leakage prevention layer 4 , a casting tape 6 (second covering member) that covers the upper layer side of the oil leakage prevention layer 4, and a corrosion-resistant tape 7 that further covers the upper layer side of the casting tape 6.

As shown in FIG. 1, the cover member 2 is a cylindrical body with a circular cross section, one end (opening end 2b) is open and the other end is closed, and includes a cylindrical body 21 having a side surface 2a and a top wall 22. The cover member 2 has an inner diameter larger than the outer diameter of the OF cable 1. In this embodiment, the inner diameter of the cover member 2 is larger than the outer diameter of the metal layer 12 of the OF cable 1. The cylindrical body 21 functions as a cover material (cap) for inserting and accommodating the end 1a of the OF cable 1 and for closing the cable end face 1b opened by cutting the OF cable 1.

The material of the cover member 2 may be any material that can withstand the pressure of the oil injected into the OF cable 1 leaking (blowing out) from the cable end face 1b and has the strength to not be destroyed by the weight of the OF cable 1. For example, metals such as iron, copper, aluminum, titanium, or alloys of these, or reinforced plastics such as fiber reinforced plastic (FRP) or carbon fiber reinforced plastic (CFRP) can be used.

The shape of the cover member 2 is not particularly limited, except that one end is open. For example, the tube body 21 may be cylindrical as in this embodiment, or may be elliptical or polygonal (triangular, square, etc.). Since the cross section of the OF cable 1 is usually circular, it is preferable to make it cylindrical in order to match the shape of the OF cable 1 and to prevent external forces from acting only at specific points on the outer surface of the OF cable 1, so that the forces act uniformly.

The adhesive layer 3 made of the adhesive bond 31 is applied in an area covering the region extending from the side surface 2a of the cover member 2 to the outer peripheral surface 12a of the metal layer 12. The adhesive bond 31 of the adhesive layer 3 has a hardening property and has the property of being hardenable when applied to an oily application surface. For example, the Y618H type of the adhesive Metallock (manufactured by Cemedine Co., Ltd.) can be used, which is a high-strength, room-temperature fast-hardening adhesive that does not require heating and is mainly composed of modified acrylic. The Y618H type adhesive bond has a higher bonding strength to metal than the Y610 type manufactured by the same company. When the Y618H type is used, it can perform the oil-stopping function regardless of the surface pressure of the casting tape 6 that is coated on the upper layer side of the adhesive layer 3. In addition, the Y618H type does not contain a flammable solvent, hardens even in a coarse mixture, can harden at a temperature of 0°C, and has the property of obtaining adhesive strength even in a slightly oily surface state. Furthermore, it can be stored for long periods at room temperature between 5 and 25°C and does not emit any foul odors like conventional acrylic adhesives. It can also be used to join dissimilar materials such as metal and CFRP.

The silicone tape 41 constituting the oil leakage prevention layer 4 is a self-adhesive tape member that is wrapped around the entire area of the applied adhesive bond 31. The silicone tape 41 is wrapped around the OF cable 1 in the circumferential direction for at least one revolution, and overlaps in the axial direction. As a result, the silicone tape 41 forms the oil leakage prevention layer 4 over the entire circumferential direction in the area that spans the side surface 2a of the cover member 2 and the outer peripheral surface 12a of the metal layer 12.

The plated wire 5 is, for example, a silver-plated soft copper wire with an outer diameter of about 2 mm, and is wound around each of both ends 4a, 4b of the oil leakage prevention layer 4 at least once in the circumferential direction of the OF cable 1. The number of plated wires 5 is not limited to two, at both ends 4a, 4b of the oil leakage prevention layer 4, and may be provided at three or more locations at a predetermined interval in the axial direction of the OF cable 1, including at least both ends 4a, 4b of the oil leakage prevention layer 4. The oil leakage prevention layer 4 is restrained in the radial direction by the wrapped plated wire 5. This allows the oil leakage prevention layer 4 to be tightly attached to the metal layer 12, and also allows the oil leakage prevention layer 4 to be tightly attached to the lid member 2.

The casting tape 6 is wound around the silicone tape 41 so as to cover and encase the entirety from the upper layer side, and has the function of reinforcing the end 1a of the OF cable 1. The size and area of the casting tape 6 are set to be larger than those of the silicone tape 41. The casting tape 6 is wound around the OF cable 1 in the circumferential direction at least once and overlaps in the axial direction. As a material for the casting tape 6, a material with excellent elasticity in the vertical, horizontal and diagonal directions is preferable from the viewpoint of fit and followability, and a material with low adhesion is preferable from the viewpoint of winding workability and replacement. For example, a tape made of a material containing polyurethane (PU) resin in glass fiber knit can be used. In this case, the polyurethane resin impregnated in the glass fiber knit reacts with water to obtain a property that is easy to harden.

The anticorrosive tape 7 is wrapped around the entire casting tape 6 from the upper layer side so as to cover and encase it, and has the function of protecting the portion reinforced by the casting tape 6 from corrosion. The size and area of the anticorrosive tape 7 are set to be larger than that of the casting tape 6. The anticorrosive tape 7 is wrapped around the OF cable 1 in the circumferential direction for at least one turn, and overlaps in the axial direction. The material of the anticorrosive tape 7 is preferably a material with excellent durability and anticorrosive properties, such as polyvinyl chloride (PVC). In this embodiment, the anticorrosive tape 7 is oriented toward the upper layer side of the casting tape 6, so that it can be finished smoothly to hide the unevenness of the wrapped casting tape 6.

Next, the procedure for the OF-CV cable taping terminal processing method at the terminal of the OF cable 1 will be explained in detail using Figures 4(a) to (c) and Figures 5(a) and (b).

First, as shown in Figures 1 and 4(a), at the end of the OF cable 1 (cable end 1a), the anticorrosive layer 11 is removed to expose the end of the metal layer 12 provided below the anticorrosive layer 11 (metal layer end exposure process). Specifically, at the cut end of the OF cable 1 (cable end 1a), the anticorrosive layer 11 covering the outside of the metal layer 12 is peeled off using, for example, a sheath cutter, to expose the outer circumferential surface 12a of the metal layer 12.

As shown in FIG. 2, the OF cable 1 at this time comprises a metal layer 12, a corrosion protection layer 11 wrapped around the outer circumference of the metal layer 12, and a hollow oil passage 15 in which oil is injected inside the metal layer 12 together with the core wire 14. When the OF cable 1 is cut, the oil filled in the oil passage 15 leaks out. Here, the OF-CV cable taping terminal processing method for the OF cable 1 is performed to prevent oil from leaking out from the cable end 1a of the OF cable 1 at the cut position.

Next, as shown in Figures 4(b) and (c), immediately after the completion of the above-mentioned coating removal process, the cable end 1a is covered with a lid member 2 formed to cover the cross section of the cable end 1a (cable end face 1b) where the oil passage 15 is exposed, with part of the outer circumferential surface 12a of the end of the metal layer 12 exposed (lid member attachment process). The lid member 2 is fitted and attached so as to cover the entire outer circumferential surface 12a of the exposed metal layer 12. At this time, the lid member 2 is provided so that the open end 2b of the lid member 2 and the cut end 11a of the corrosion protection layer 11 are aligned in the axial direction. It is preferable to attach the lid member 2 as soon as possible after the OF cable 1 is cut.

Next, as shown in FIG. 4(c), an adhesive layer 3 is formed on the end of the metal layer 12 and the side surface 2a of the cover member 2 using an adhesive bond 31 (adhesive layer formation process). The adhesive bond 31 is applied to an area covering the area extending from the side surface 2a of the cover member 2 to the outer peripheral surface 12a of the metal layer 12. In other words, the boundary portion between the metal layer 12 and the cut end portion 11a of the corrosion protection layer 11 is in a state in which the adhesive bond 31 is applied over the entire circumference. The adhesive bond 31 can be hardened when applied to an application surface containing oil, so that the adhesive bond 31 hardens in the applied area to seal the area between the silicone tape 41 described later and the corrosion protection layer 11 and the side surface 2a of the cover member 2 without any gaps, and oil in the oil passage 15 of the OF cable 1 can be prevented from leaking out from the boundary portion.

Next, as shown in FIG. 5(a), after the adhesive layer forming process, the upper layer side of the adhesive layer 3 is covered with a self-adhesive silicone tape 41, and the end of the metal layer 12 and the lid member 2 are covered to form the oil leakage prevention layer 4 (oil leakage prevention layer forming process). Specifically, the silicone tape 41 is wrapped around the side surface 2a of the lid member 2 and the corrosion protection layer 11 so as to cover and encase them from the upper layer side. The silicone tape 41 is in liquid-tight contact with the lid member 2 and the corrosion protection layer 11 via the adhesive layer 3.

5(a), in the oil leakage prevention layer forming step, after the oil leakage prevention layer 4 is formed, plated wires 5 are attached to both ends 4a, 4b of the oil leakage prevention layer 4 so as to constrain the oil leakage prevention layer 4 in the radial direction. This brings the oil leakage prevention layer 4 into close contact with the metal layer 12, and also brings the oil leakage prevention layer 4 into close contact with the cover member 2 ( plated wire attachment step). The plated wires 5 are provided at both ends 4a, 4b of the oil leakage prevention layer 4, and are wound around the oil-filled cable 1 at least once in the circumferential direction at each location.

5(b), the upper layer side of the oil leakage prevention layer 4 made of the silicone tape 41 is covered with a hardening casting tape 6 to reinforce the cable end 1a (cable end reinforcing step). Specifically, the casting tape 6 is wrapped around the upper layer side of the oil leakage prevention layer 4 so as to cover and encase it. The casting tape 6 is provided in a liquid-tight contact with the silicone tape 41.
5(b), the anticorrosive tape 7 is wound so as to cover and encase the entire upper layer of the casting tape 6. As a result, the portion reinforced by the casting tape 6 is protected from corrosion by the anticorrosive properties of the anticorrosive tape 7.

Next, the operation of the OF-CV cable taping terminal processing method will be described in detail with reference to FIGS.
The OF-CV cable taping terminal processing method according to this embodiment is applied to a cable end 1a of an OF cable 1 having an oil passage 15. The OF-CV cable taping terminal processing method includes a metal layer end exposing step of removing the anticorrosive layer 11 of the OF cable 1 at the cable end 1a to expose an end of the metal layer 12 provided under the anticorrosive layer 11, a lid member attaching step of covering the cable end 1a in a state where a part of the side surface of the end of the metal layer 12 is exposed using a lid member 2 formed so as to cover the cross section of the cable end 1a where the oil passage 15 is exposed, an adhesive layer forming step of forming an adhesive layer 3 on the side surface of the metal layer 12 and the side surface 2a of the lid member 2 using an adhesive bond 31, and an oil leakage prevention layer forming step of covering the upper layer side of the adhesive layer 3 with a silicone tape 41 to form an oil leakage prevention layer 4 that covers the end of the metal layer 12 and the lid member 2.

According to the OF-CV cable taping terminal processing method of this embodiment, the oil passage 15 of the cable end 1a is sealed and the cable end processing can be efficiently performed in a short time by simply attaching the cover member 2 to the metal layer 12 of the cut cable end 1a, and covering the cover member 2 and the cable end 1a with the silicone tape 41 via the adhesive layer 3 made of adhesive bond 31 on the upper layer side to form the oil leakage prevention layer 4.

In addition, in this embodiment, the adhesive layer 3 is formed by hardening the adhesive bond 31, so the necessary materials and equipment can be minimized, and the effective time of the adhesive bond 31 can be set as desired, so by using an adhesive bond 31 with a fast hardening time, work can be carried out quickly. Furthermore, this embodiment has the advantage that a large work space is not required, and work can be carried out in a small place.

In addition, in this embodiment, compared to conventional cable termination work involving leadwork using a burner to melt lead, no lead is used, so special techniques are not required and there is no need to secure workers with advanced construction techniques, which improves work efficiency and reduces costs. Moreover, compared to leadwork, terminal processing can be performed without the need to handle open flames.

In addition, in this embodiment, the oil leakage prevention layer forming process includes a plating wire attachment process in which a plating wire 5 is attached to both ends 4a, 4b of the oil leakage prevention layer 4 to radially restrain the oil leakage prevention layer 4, thereby bonding the oil leakage prevention layer 4 and the metal layer 12 and bonding the oil leakage prevention layer 4 and the lid member 2.
Therefore, the oil leakage prevention layer 4 is restrained in the radial direction by the attached plated wire 5. This allows the oil leakage prevention layer 4 and the metal layer 12, and the oil leakage prevention layer 4 and the lid member 2 to be tightly attached to each other, thereby further improving the oil leakage prevention effect of the oil leakage prevention layer 4.

In addition, this embodiment includes a cable end reinforcing step of covering the upper layer side of the oil leakage prevention layer 4 with a casting tape 6 to reinforce the cable end 1a.
Therefore, by covering and enveloping the entire oil leakage prevention layer 4, which has the function of preventing oil leakage, from the upper layer side with the casting tape 6, it is possible to reinforce the cable end 1a covered with the casting tape 6. As a result, the oil leakage prevention layer 4 is protected by the casting tape 6, and it is possible to prevent the oil leakage prevention layer 4 from being damaged or otherwise reduced in function, and it is possible to maintain the oil leakage prevention layer 4 for a long period of time.

In this embodiment, the silicon tape 41 is a tape member having self-adhesive properties.
Therefore, by wrapping a tape member having self-adhesive properties so as to cover the adhesive layer 3, the airtightness provided by the silicon tape 41 can be constantly maintained.

In this embodiment, the casting tape 6 is a tape member having hardening properties.
Therefore, by wrapping a hardening tape member so as to cover the oil leakage prevention layer 4, the installation work can be easily performed and airtightness can be constantly maintained throughout.

In addition, in this embodiment, the adhesive bond 31 has hardening properties and can be hardened when applied to an application surface that contains oil, so the adhesive bond 31 applied to the side surface 2a of the cover member 2 and the metal layer 12 hardens, allowing the cable end surface 1b to be more securely sealed.

The OF/CV cable taping terminal processing method according to this embodiment, configured as described above, does not require the use of fire or special skills, reduces the labor and cost involved in the work, and allows terminal processing work to be performed efficiently in a short time.

Although the embodiments of the present invention have been described above, these embodiments are presented as examples and are not intended to limit the scope of the invention. The embodiments can be implemented in various other forms, and various omissions, substitutions, and modifications can be made without departing from the gist of the invention. Examples of the embodiments and their variations include those that can be easily imagined by a person skilled in the art, those that are substantially the same, and those that are within the scope of equivalents.

For example, in the above embodiment, the oil leakage prevention layer 4 made of silicone tape 41 is attached, and then the casting tape 6 and anti-corrosion tape 7 are wrapped around it from the upper layer side, but it is also possible to omit either or both of the casting tape 6 and anti-corrosion tape 7.

In addition, in this embodiment, plated wires 5 are provided at both ends 4a, 4b of the oil leakage prevention layer 4, but any member capable of restraining the oil leakage prevention layer 4 in the radial direction is sufficient and is not limited to being plated wires 5. Furthermore, the positions of the restraining members in the oil leakage prevention layer 4 are not limited to both ends 4a, 4b, and the number of attachments of the restraining members is not limited to two. Furthermore, the restraining members may be omitted.

It is also possible to use a material in which the adhesive layer 3 and the oil leakage prevention layer 4 are integrated, such as a packing tape. In this case, the effort and work required to form the adhesive layer 3 can be omitted, which can further improve work efficiency.

REFERENCE SIGNS LIST 1 OF cable 1a Cable end 1b Cable end surface 2 Lid member 2a Side surface 2b Open end 3 Adhesive layer 4 Oil leakage prevention layer 4a, 4b End 5 Plated wire
6 Casting tape (second covering member)
7 Anticorrosive tape 11 Anticorrosive layer (coating)
12 Metal layer (shielding)
12a Outer circumferential surface 13 Insulating layer 14 Core wire (conductor)
15 Oil passage 31 Adhesive bond (chemical)
41 Silicone tape (first covering member)

Claims (5)

An OF/CV cable taping terminal processing method applied to an end of a cable having an oil passage, comprising:
a metal layer end exposing step of removing the coating of the cable at the end of the cable to expose an end of a metal layer provided under the coating;
a cover member attachment process for covering the end of the cable with a cover member formed to cover a cross section of the end of the cable where the oil passage is exposed, while exposing a portion of a side surface of the end of the metal layer;
an adhesive layer forming step of forming an adhesive layer on a side surface of the metal layer and a side surface of the lid member using a chemical;
an oil leakage prevention layer forming step of covering the upper layer side of the adhesive layer with a first covering member to form an oil leakage prevention layer that covers the end of the metal layer and the lid member;
and a plating wire attachment step of winding a plating wire extending linearly around both ends of the oil leakage prevention layer in a radial direction of the oil leakage prevention layer to tightly contact the oil leakage prevention layer and the metal layer, and also to tightly contact the oil leakage prevention layer and the lid member, in the oil leakage prevention layer forming step .
The oil leakage prevention layer has protruding regions protruding on both sides from the adhesive layer in the axial direction of the cable,
the plated wire is wrapped around only the protruding region of the oil leakage prevention layer that does not cover the adhesive layer from the outer periphery . A cable end reinforcing step of covering an upper layer side of the oil leakage prevention layer with a second covering member to reinforce the end of the cable,
2. The OF-CV cable taping terminal processing method according to claim 1. The OF-CV cable taping terminal processing method according to claim 1, wherein the first covering member is a tape member having self-adhesive properties. 3. The OF-CV cable taping terminal processing method according to claim 2 , wherein the second covering member is a tape member having hardening properties. The agent has a hardening property and can harden when applied to an oil-containing application surface.
2. The OF-CV cable taping terminal processing method according to claim 1.

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