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JP2019054617A |
To provide a technique capable of combining the recognition of the existence of aerial wire by an aircraft recognize and facilitation of maintenance of the aerial wire.An indicator for aerial wire includes: a cylindrical holding unit for...
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JP2019052208A |
To provide a cavity filler which has high flexural strength of a resin itself after cured, and also has excellent flexural strength of an entire structure when poured into a high-volume and closed cavity and cured.A cavity filler contain...
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JP6496064B1 |
To provide a self-propelled snow accretion ring removing device capable of surely crushing a snow accretion ring by a mechanism simpler and more rational than the conventional one. A self-propelled snow accretion ring removing device 1 i...
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JP6492858B2 |
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JP6488480B2 |
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JP6488747B2 |
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JP2019047595A |
To provide a coupling member movement prevention instrument capable of preventing a coupling bolt from moving to another hole due to fluctuation of a restiform body to hold a relaxation degree of the restiform body at a constant level, a...
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JP6486854B2 |
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JP6488214B2 |
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JP6486625B2 |
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JP2019039800A |
To provide a technique with which it is possible to measure the oscillation count of an aerial wire by only mechanical operation.Provided is an aerial wire oscillation counter for measuring the number of times an aerial wire laid between...
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JP6481964B2 |
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JP6483055B2 |
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JP2019037059A |
To provide an optical fiber protection tool capable of preventing breakage to an optical fiber unit when inserting an OPGW into an introduction port of a junction box.An optical fiber protection tool 1 is an instrument which is installed...
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JP6477068B2 |
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JP2019033571A |
To provide an apparatus for insulation which can be easily mounted in an insulator by using an indirect hot-line tool and is capable of avoiding exposure caused by influences of an external factor in a charge part of the insulator.An app...
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JP6475588B2 |
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JP2019022340A |
To provide an insulator cover which is easily attached to an insulator and can unfailingly prevent scattering and falling of insulator pieces from the insulator, and to provide an insulator recovery method.An insulator cover 1 covers an ...
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JP6466781B2 |
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JP6467095B1 |
To protect a concrete utility pole having high durability against direct sunlight and wind and rain because the cutting position of a tapered concrete utility pole fluctuates and the diameter of the cut surface can be followed to follow ...
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JP2019017212A |
To provide a power transmission line connection terminal to and from which a sealing plug can be reliably attached and detached.A connection terminal Tc includes a cover member 91, a connection sleeve 92, and a sealing plug 10. The seali...
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JP6459053B2 |
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JP6458939B2 |
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JP6455248B2 |
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JP6455208B2 |
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JP6443750B2 |
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JP2018200836A |
To provide a connection tool for sag adjustment which can maintain sag of a restiform body constant by hardly movement of a connection bolt to another hole even when the restiform body is swung.A connection tool 1 for sag adjustment for ...
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JP6440027B2 |
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JP6440028B2 |
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JP6437898B2 |
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JP6437617B1 |
To provide a wire winding device and a pilot wire traction device, and a wire winding method using these devices, in order to efficiently prevent the electric wire from hanging down by a simple operation. A wire winding device 100 includ...
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JP2018196167A |
To improve workability when an insulation cover is attached to a distribution line.A first cover piece 20 comprises: a first divided housing part 21 constituting a part of a housing part; first divided guide parts 22 constituting a part ...
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JP3219101U |
To provide a triple hoop. A first hoop 1, a second hoop 2 and a third hoop 3 are included, a third hoop includes a first mounting portion 4 and a second mounting portion 5, and one end of the first hoop has a first mounting portion. It i...
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JP3219100U |
To provide an improved hanger for a portable transformer. A removable hoop 1, a fixed hoop 2, a support rod 3 and an adjusting rod 4 are included, the removable hoop includes a first hoop, a second hoop and a third hoop, and a third hoop...
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JP6430751B2 |
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JP6429210B1 |
To provide a non-welded arc horn which can be manufactured without welding. In a non-welded arc horn according to the present invention, one end of a first straight pipe portion serves as one end surface of the hollow tubular body for be...
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JP3219039U |
To adjust a mounting angle of an adjusting rod by an angular connecting rod, so that the adjusting connecting rod can be quickly adjusted and mounted according to a difference in environment, and an angle adjusting connecting rod which i...
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JP6427252B1 |
To provide a device and a method for preventing an electric wire from hanging down by a simple operation. A band winding device 100 is composed of a carriage portion 10, a movable frame 30, and a reel portion 50. The bogie section is sel...
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JP6426052B2 |
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JP2018174801A |
To provide a small animal pole-climbing prevention device capable of more effectively preventing a small animal such as a snake from climbing an electric pole.A small animal pole-climbing prevention device includes an inverted bowl-shape...
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JP2018182916A |
To surely fix a lifting pipe even when a diameter of the lifting pipe is changed, and prevent corotation of a nipping member on a nut side when fitting the lifting pipe with a nut screwed to a fastening bolt.One nipping member 11 compris...
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JP3218667U |
To provide an auxiliary tool for removing a nest, which can easily remove the nest safely and in a short time even when the discharge clamp and the nest are in close contact with each other. A cylinder 11 for surrounding an outer periphe...
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JP2018164354A |
To make it possible to fix a rope such that no looseness occurs when the rope is wound about a support section and when the rope is tensed to be installed.A rope installation jig 10 is mounted onto a bracket 13 provided with a plurality ...
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JP2018164353A |
To ensure that cables can be laid efficiently with less man hour and fewer parts.An erection method of installing a communication cable 15 between a plurality of utility poles 1, the erection method comprising: a step of temporarily fixi...
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JP6399295B2 |
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JP6400527B2 |
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JP2018148652A |
To provide a winding device of a winding grip for an electric wire, in which a spiral winding grip is easily attached/detached to/from an overhead electric wire.A winding device of a winding grip for an electric wire comprises: a holding...
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JP2018148756A |
To provide a lightning protection structure for a high-structure such as a windmill tower etc., which is constructed at a place where low ground impedance cannot be ensured like the mountain area, capable of protecting a shielding layer ...
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JP6391862B1 |
[Task] Provided are a thimble that contributes to an increase in electric wire tension, and a method for supporting an electric wire using the thimble. A thimble 100 that pulls the grip 600 attached to the electric wire W, and is attache...
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JP2018133170A |
To provide an insulation sheet with a pliers holder, which is in a simple structure but is capable of being wound and fixed on a peripheral side face of a utility pole by repeating simple work by using an indirect hot-line tool (hot stic...
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