The lightweight "Bell Block Lite" dramatically evolves tunnel construction!
● Developed and launched a bell block specifically for on-site hand holes in tunnels, designed for square EFLEX. ● Improved workability by changing the material from resin concrete to resin, resulting in approximately half the product weight. ● Contributed to the development of road infrastructure by shortening construction periods for tunnel work using square EFLEX. As a new addition to the multi-line square EFLEX series, we have developed and launched the Bell Block Lite, which can contribute to shortening construction periods for tunnel cable installation. Compared to the conventional resin concrete bell blocks, it is approximately half the weight, which is expected to enhance labor efficiency. Additionally, while the current mainstream wall thickness for on-site hand holes in tunnels is 150mm and 200mm, the previous resin lineup required a 50mm recess at the connection part of the hand hole bell block for a wall thickness of 200mm. With the addition of a type that accommodates a wall thickness of 200mm, it will now be possible to handle hand holes with a wall thickness of 200mm without the need for recessing.
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basic information
The Basic Plan for National Resilience aims to ensure the passage of emergency vehicles within one day and general vehicles within approximately one week after a disaster, in preparation for increasingly severe wind and flood damage and imminent large-scale earthquakes. To eliminate missing links in high-standard trunk roads, tunnel construction is being advanced in various locations. Meanwhile, in the construction industry, there is a growing demand for materials that improve productivity at construction sites due to the declining working-age population and accelerating aging. As the grace period for the upper limit regulation on overtime work under the work style reform-related laws ends in April 2024, further labor-saving measures in construction are being sought. To address these challenges, our company is developing products that achieve labor-saving in construction. - Main material: Flame-retardant ABS resin - Flame retardancy: Self-extinguishing flame retardancy
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Company information
Since its founding in 1884, the company has focused on the pillars of transmitting, connecting, and storing energy, information, and heat. With "metals," "photonics," and "polymers" as the core materials, it has developed a wide range of products in infrastructure fields such as information and communication, energy, automotive components, and electronics, which are distributed worldwide.
