東京製綱 Product Lineup

The snow-covered area-related product "Rock Fence for Snowy Areas" is a rockfall protection fence designed to prevent rockfall during snow-free periods and to protect against damage to the wire mesh caused by the weight of snow during snowy periods. Conventional rockfall protection fences, which are not designed with snow load in mind, have experienced numerous damage incidents when snow accumulates to over 50 cm on top of the fence. After conducting multiple experiments and thoroughly analyzing snow loads, we designed this product. It is highly effective on slopes where there is a risk of rockfall when there is no snow and a risk of avalanches during snowfall. For more details, please download the catalog.

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The modified saturated polyester resin coating "Tough Coated Products" achieves high corrosion resistance and resistance to acids and alkalis through a heavy anti-corrosion treatment that combines plating and modified saturated polyester resin coating. In high salt damage areas, it demonstrates a durability of 35 years, and in normal areas, it shows more than twice the durability of salt damage areas. Additionally, it contributes to landscape preservation as it can be colored to match the surrounding environment. For more details, please download the catalog.

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The slope-related product "TSK Twins Anchor (Hokkaido Specification)" is a rock anchor designed for overburden areas, combining the "tensile resistance" of a high-strength upper component and the "pull-out resistance" of a lower component with excellent anchoring capability. It demonstrates outstanding load-bearing capacity even in areas that are significantly weathered or have soil cover. The upper and lower components are connected by a spherical washer, preventing the transmission of bending stress. Since it can be installed without removing the surface layer, it minimizes environmental destruction. For more details, please download the catalog.

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The slope-related product "Nobit Anchor (Hokkaido Specification)" is an anchor for earthworks using an air hammer drilling machine. The anchor body has been improved by eliminating the tip bit (carbide tip) of the conventional self-drilling anchor, allowing for plating treatment. Therefore, mortar filling for spacing is unnecessary. By applying the drilling bit of a large-diameter boring machine, it can excavate through rotation and impact, making it suitable for all types of ground. Since it does not use water, it does not damage the site slope. The driving frame can be fixed on the slope, allowing for perpendicular installation and angle management in all 360° directions. For more details, please download the catalog.

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The slope-related product "Cement Capsule" is a capsule-type anchoring material for rock, primarily composed of special cement. It can be used simply by immersing it in water, eliminating the need for measuring, mixing, and injection work on-site, significantly improving work efficiency. Additionally, the anchoring material is pre-formulated for optimal composition, ensuring stable performance over the long term. For more details, please download the catalog.

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The slope-related product "Rocket Anchor" is used as an anchor for rockfall prevention works and avalanche control facilities. It can be installed using an air-powered driving machine, allowing for manual construction without the need for scaffolding. Various anchors are available with design capacities ranging from 25 kN to 80 kN. Depending on the conditions, anchors with appropriate capacities can be selected. For more details, please download the catalog.

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The slope-related product "Swing Anchor" is an anchor designed for soil areas that suppresses displacement under loads from all directions by installing a cylindrical swing at the surface. It enables the assurance of high strength. We offer two types: one for soil areas and one for cover areas. The design strength is available in two types for each: 25kN for soil areas and 35kN for cover areas. For more details, please download the catalog.

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The slope-related product "Root Anchor" is a soil anchor that demonstrates stable high strength due to its wider range of soil volume involved in resistance compared to conventional soil anchors. While the load application position of traditional soil anchors is at the top of the anchor, the Root Anchor has its load application position at the bottom of the anchor. We offer types with design strengths ranging from 25 kN to 105 kN. For more details, please download the catalog.

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The slope-related product "FR Anchor" drills into the slope using a dedicated composite machine, inserts a wire rope integrated anchor, and secures it with grout material, demonstrating a maximum load capacity of 290 kN regardless of the ground conditions (soil type). Additionally, since the wire rope serves as the anchor body, it can be pulled in any direction, allowing for smooth connection with countermeasures (structures). For more details, please download the catalog.

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The steel structure-related product "Wire Rope and Structural Integrity Diagnosis" comprehensively diagnoses the deterioration of wire ropes and maintains the safety of structures and equipment. Even robust wire ropes can experience corrosion, wire breakage, and tension reduction as they are used. Using them in such conditions can lead to accidents that endanger lives. It is crucial for safety to regularly investigate the deterioration of wire ropes and take appropriate measures. Our "Integrity Diagnosis" uniquely measures corrosion, wire breakage, and tension based on the application and usage environment of the wire rope, analyzes the data, and accurately assesses the degree of deterioration. We identify safety issues and perform necessary maintenance. Please make use of our "Integrity Diagnosis" to maintain the functionality and safety of structures and equipment. For more details, please download the catalog.

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The slope-related product "TFF (Tough Flexible Frame)" stabilizes anchor bolts (lengths from 2m to 5m) by penetrating unstable strata and securing them to stable strata. Through the combined function of the pressure-bearing plate installed at the surface and the anchor bolts, it can prevent the sliding collapse of soil masses in unstable strata. Additionally, it uses a lightweight and reversible drilling machine (ground drill), eliminating the need for scaffolding and allowing for easy installation in unstable strata. For more details, please download the catalog.

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The slope-related product "Curtain Net" is a high-energy absorption rockfall protection method that does not install posts or suspension ropes on the slope that receives falling rocks. Instead, it places robust, unique posts on both stable sides with fewer falling rocks, and holds them with suspension ropes and guy ropes, ensuring that falling rocks do not directly collide with the posts or suspension ropes, but instead absorb the rockfall energy solely with the curtain section, which is an elastic body. For more details, please download the catalog.

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The slope-related product "Rope Net" is a rockfall prevention system that can be installed without damaging the natural environment. It primarily targets relatively large loose rocks, but by combining it with wire mesh and other rockfall prevention systems, it can also accommodate smaller loose rocks. Additionally, it allows for standing trees to be passed through the wire ropes arranged in a mesh pattern, enabling installation with minimal tree cutting and preserving the aesthetic beauty of natural forests. If there are roads or structures below the cut slope, it can be temporarily installed on the slope, and by using temporary fences at the toe of the slope, it can prevent relatively large rockfalls, allowing for safe removal of material from the top down. For more details, please download the catalog.

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The slope-related product "Mighty Net" is widely used as a floating stone prevention measure because it can be installed in various terrains. It also has a structure that easily allows natural seeds to attach, significantly promoting greening. Even when a covering rock net is installed, in areas where weathering is severe and rockfalls occur frequently, fallen rocks can accumulate behind the net, causing it to protrude onto the road and obstruct traffic, while also placing excessive loads on the rock net, necessitating the removal of accumulated fallen rocks. In such situations, the Mighty Net, which stabilizes the floating stones themselves, is the most suitable solution. For more details, please download the catalog.

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The slope-related product "reinforcement fittings" was developed based on many years of experience and accumulated technology. The reinforcement fittings can provide reinforcement against shear forces at change points on vertical slopes (angles), and can also provide reinforcement against tensile forces at change points on inner curves. Additionally, during rockfall, the cable extends from the mountainside to the roadside, but since the "reinforcement fittings" are not fixed to the intermediate support at this time, they act as a spring, demonstrating a "buffering effect" that supports the intermediate support. For more details, please download the catalog.

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The slope-related product "rockfall protection fence" is a functional rockfall protection fence that incorporates innovative features against falling rocks. Since we first launched the rockfall protection fence "Rock Fence" in 1960, we have been involved in experiments, analyses, and research on effective rockfall prevention mechanisms that utilize the characteristics of wire ropes. Subsequently, we developed the reinforced version "Rock Guard" and standardized the installation of "spacing retaining materials" to prevent the spreading of wire ropes due to falling rocks for both "Rock Fence" and "Rock Guard." For more details, please download the catalog.

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Road safety-related products such as "guard cables, guardrails, and guard pipes" achieve excellent safety, drivability, and a comfortable road that takes the surrounding environment into consideration. In recent years, protective fences have been required to have high performance that accommodates the increasing size and speed of vehicles, while also being environmentally friendly and not detracting from the surrounding landscape. Tokyo Seiko offers a range of protective fences that comply with various safety and environmental standards, including "installation standards for protective fences," "standard specifications for vehicle protective fences," and "guidelines for the maintenance of protective fences that consider the landscape." We encourage you to adopt our products, which pursue a safe and comfortable road environment. For more details, please download the catalog.

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The sound barrier-related product "TSK Fall Prevention System" consists of "pillar fall prevention cables," "pillar rotation prevention cables," and "panel fall prevention cables." In the event of an accident where the sound barrier falls, each prevention cable flexibly absorbs impact energy while preventing the fall or rotation of the pillars and panels to the ground. The panel fall prevention cable also includes a "panel fall prevention cable excess length storage device" to improve installation by organizing excess length. For panels that do not have existing fall prevention measures, a one-touch anchor for fall prevention can be installed, and by threading the fall prevention cable through the eye nut attached to the one-touch anchor, fall prevention measures can be easily implemented. For more details, please download the catalog.

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The sound barrier-related product "TSK Acoustic Pipe Soundproofing Device 'Softop Gamma'" is a TSK acoustic pipe soundproofing device that utilizes sound interference. The Γ (Gamma) type has a higher noise reduction effect than conventional sound barriers and has achieved improved durability and workability. The acoustic pipe soundproofing device employs a method of canceling sound through interference. When a pipe with a depth of 1/4 wavelength is installed, the sound that enters the pipe and reflects back is delayed by 1/2 wavelength at the pipe's entrance, interfering with the incident wave and resulting in minimal sound pressure at the surface. Road noise is distributed over a wide range of frequencies, from low to high. To accommodate various frequencies, the acoustic pipe soundproofing device is structured with multiple pipes arranged in sequence. The simplification of the structure also makes installation easier. For more details, please download the catalog.

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Our company has been involved in experiments, analyses, and research on effective rockfall prevention mechanisms that utilize the characteristics of wire ropes for many years. Along this journey, we developed the "Pocket Rock Net" and "Cover Rock Net," which combine safety, economic efficiency, and ease of installation as rockfall protection nets. This method, which rationally combines wire ropes and wire mesh, protects roads and railways running through mountainous areas across the country from rockfalls and has received high praise as an excellent rockfall protection measure. NETIS Registration Number: SK-030013

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