On February 26, 2026, an advertisement for the bridge expansion device "Hybrid Joint" was published in the Tohoku 6 Prefectures edition of the Sankei Shimbun, demonstrating a durability of 100 years (3LII type) verified by a third-party organization.

A newly constructed bridge requires no replacement for 100 years! Long-term water resistance, maintenance-free.

In the longevity of bridges, the durability of expansion joints is a very important factor. Replacing expansion joints requires significant costs and traffic regulations, which can reduce the operational efficiency of bridges. The Hybrid Joint Type 3LII achieves a durability of 100 years, contributing to cost reduction and improved safety from a long-term perspective. 【Application Scenarios】 - New bridges - Repairs of existing bridges - Highways * For general roads, there is the "Hybrid Joint Type 3LIIA." 【Benefits of Implementation】 - Reduction in lifecycle costs due to no need for replacement for 100 years - Maintenance-free, eliminating the need for sound inspections and ultrasonic inspections, reducing maintenance costs - Decreased frequency of traffic regulations, mitigating traffic congestion and noise damage, and enhancing safety - Adoption of new technology through NETIS registration (No. KT-210067-A)

• Bridge Materials
• Foundation construction

Large expansion range (200–600mm) and wide play space (up to 1230mm) compatible. Bridge expansion device that is environmentally friendly for bridge surroundings [NETIS registered product].

The Hybrid Joint 3LIIA type has a vertical integrated structure for the load support section and the anchor plate section, making it highly durable, with almost no damage from metal fatigue. By using steel plates vertically, the exposed parts are minimized, resulting in very low impact during operation, and the product is less likely to generate noise and vibration. It is capable of accommodating large expansion and contraction (200–600mm) and wide spacing (up to 1230mm). 【Features】 ○ Supports large expansion and contraction and wide spacing ○ High watertightness due to double waterproof structure ○ Long-term durability and maintenance-free For more details, please contact us or request a catalog.

• Foundation construction
• Dam construction

By shaping the steel plate into a guide plate type, it prevents damage to the main body of the grader due to expansion and contraction in snowy areas.

The Hybrid Joint 3LIIA type has a vertical integrated structure for the load support and anchor plate sections, making it highly durable with almost no damage from metal fatigue. By using steel plates vertically, the exposed areas are minimized, resulting in very low impact during operation and making the product less prone to noise and vibration. It is capable of accommodating large expansion and contraction (200–600mm) and wide gaps (up to 1230mm). 【Features】 ○ Supports large expansion and contraction and wide gaps ○ High watertightness due to double sealing structure ○ Long-term durability and maintenance-free For more details, please contact us or request a catalog.

• Joints between components

New product NEXCO certified | CF-20 | NCF type | 3LII-150 | 3LII-160 |

To adopt our products on the expressway (NEXCO), it is necessary to obtain certification in accordance with NEXCO's guidelines. Our lineup for NEXCO has traditionally included the CF type (expansion amounts of 30, 50, and 80mm) and the 3LII type (expansion amounts of 200, 250, 300, and 350mm). However, there was a gap between 80mm and 200mm, making it difficult to provide good proposals for projects requiring an expansion amount of 100mm. To address this demand, we developed the NCF-100 with an expansion amount of 100mm, and the 3LII-150 and 3LII-160 with expansion amounts of 150mm and 160mm, respectively. Additionally, we developed the CF-20 with a compact design and an expansion amount of 20mm, as well as the NCF type that can handle snow compaction. We are pleased to announce that these new products have received new certification from NEXCO. It is worth noting that the expansion amounts of 150mm and 160mm are close because the order documents may specify those exact expansion amounts. Please feel free to request materials or contact us at the timing of your product consideration before bidding or after winning the bid.

• Bridge Materials

A bridge joint with minimal shock during operation and low noise! Load-supporting steel expansion device.

The "CF type" is a bridge expansion device that employs a waterproof structure using elastic seals. Its tooth-shaped design minimizes shocks during travel and reduces noise. Due to factory assembly, it allows for shorter construction time, improved ease of installation, and cost reduction. It is a product that complies with the NEXCO standards revised in July 2011. There is also a snow pressure-resistant product called the "NCF type." 【Features】 - High waterproof performance due to elastic seals - Low noise for comfortable travel - Reduced construction time - Cost reduction - Compliance with NEXCO standards - Basic specifications include a secondary waterproofing material attachment type For more details, please refer to the catalog. Feel free to contact us with any inquiries.

• Bridge Materials

Introducing features and product examples with photos! Please use this as a reference when choosing a telescopic device.

The hybrid joint is an expansion device manufactured by our company. Expansion devices vary in performance and flexibility depending on their type, so it is necessary to choose one based on the bridge or road where it will be installed. However, the hybrid joint can be used in any location and has high durability, allowing for long-term use. In this article, we will introduce the features of the hybrid joint and provide examples of the product with accompanying photos. Please use this as a reference when selecting an expansion device. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.

• Manufacturing Equipment

Proven durability of 50 or 100 years through fatigue load testing!

The Hybrid Joint NS-LL type and 3LIIA type have been tested under the fatigue durability test specified by NEXCO, confirming a durability of 50 years after 6 million load cycles. Furthermore, the 3LIIA type will undergo another fatigue loading test in November 2024. After 12 million load cycles, a durability of 100 years has been confirmed! This proves its ultra-long-term durability. Traditionally, expansion joints are often required to have a durability of around 30 years, but bridges are expected to last 100 years, so it is undeniable that expansion joints can shorten the lifespan of bridges. Our product, the Hybrid Joint, contributes to extending the lifespan of the expansion joint itself, thereby reducing lifecycle costs and promoting the longevity of bridges. We offer a wide range of products from small to large, accommodating expansion amounts from 20mm to 600mm. 【NS-LL Type Features】 ○ 50 years of durability and water-tightness ○ Ultra-low noise and low vibration ○ Steel vertical shape 【3LIIA Type Features】 ○ 100 years of durability ○ 50 years of water-tightness ○ Large expansion amount and wide gap For more details, please contact us or request a catalog.

• Foundation construction

The adhesion between the steel plate and rubber was confirmed to have no delamination in the tensile test!

The Hybrid Joint NS-LL type is manufactured using the press vulcanization bonding technology, which is also used in the production of bearings. Regarding the bonding part, it has been confirmed through a tensile test by the Chemical Substance Evaluation Research Organization that the failure mode was material failure rather than cohesive failure, meaning there was no delamination. This indicates that the steel plate and rubber are bonded very strongly, making it a product with excellent water-tightness. In addition to the strong adhesive force between the rubber and the steel plate, the structure is designed so that the water-stopping rubber does not come into direct contact with the tires of passing vehicles, making it less prone to wear. The range of products available includes both small and large items, accommodating expansion amounts from 20mm to 175mm and a maximum applicable slab gap of 395mm. **Features** - High water-tightness - Steel vertical tooth shape - One-lane assembly product ~~ We are currently seeking agents! Agents from the Tohoku and Hokuriku regions are very welcome! Of course, we also accommodate companies from other regions! ~~ For more details, please contact us or request a catalog.

• Foundation construction
• Dam construction

The product height is low! Responding to the demand for low-height expansion devices! A thinness that fits within the typical pavement thickness: "Hybrid Joint TS Type."

【Feature 1】Low Product Height In recent years, in response to the increasing demand for low-height expansion devices, we have developed a unique product. This product, with a height of 75mm, fits within the typical pavement thickness and is particularly suitable for older bridges where there are restrictions on the thickness of the deck. Additionally, in snowy regions, products that can handle snow compaction have also been developed. Please feel free to reach out if you have any concerns. 【Feature 2】High Water Resistance The connection points between joints and the rubber and steel plate sections are bonded through press vulcanization, preventing delamination and providing excellent water resistance. 【Feature 3】Short Construction Time Due to the shallow notch depth, construction can be completed in a shorter time compared to conventional products. 【Feature 4】Design Tailored to Expansion Amount and Shape Designed and manufactured according to the expansion amount and shape for each location. It can be used in various situations, including connection points, ultra-small bridges, and pedestrian areas.

• Bridge Materials

Safe bridges in snow-covered areas. Compliant with the specifications set by the Tohoku Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism.

The "Hybrid Joint TCF Type" is an expansion device for bridges designed for the Tohoku region, capable of withstanding "snow load." It meets the 10kN snow load requirement set by the Tohoku Regional Development Bureau. Additionally, it adopts a structure known as the "face plate type," which prevents the water-stopping material from being exposed on the surface, and comes standard with "secondary water-stopping material." By utilizing a double structure, it reduces the risk of leakage and achieves higher water-stopping performance. Furthermore, to prevent snowplow blades from getting caught in the expansion device, it is also equipped with a "snow removal guide plate" as standard. This not only protects the product itself but also considers safety during snow removal operations. 【Features】 ■ An expansion device for bridges that is compatible with "snow load" and has excellent water-stopping performance. ■ A durability of 50 years, reducing life cycle costs. ■ Contributing to social infrastructure with a comprehensive product lineup. *For more details, please refer to the related links or feel free to contact us.

• Bridge Construction

Meikeikai Jujo Hospital has introduced a mental wellness and employee engagement initiative utilizing the next-generation wallet platform “TwooCa.” Press Release https://prtimes.jp/main/html/rd/p/000000116.000076589.html This initiative combines: ・Voice-analysis-based mental wellness checks ・Incentive campaigns linked to daily activities and engagement ・Digital money rewards that can be used for cashless payments Through these efforts, the hospital aims to support employee well-being, workplace communication, and ongoing organizational improvement. As labor shortages and mental health challenges continue to become important issues in the healthcare industry, initiatives that are easy to participate in and continue on a daily basis are gaining increasing attention. The digital rewards exchanged from points can be used in everyday cashless payments, helping employees more easily recognize value in their daily lives while encouraging continuous participation in wellness-related activities. TwooCa will continue supporting organizations through initiatives related to employee well-being, workplace engagement, and sustainable wellness-focused management. #TwooCa #Wellbeing #EmployeeEngagement #MentalHealth #Healthcare #HealthTech #HRTech #DigitalTransformation #Cashless #WorkplaceWellbeing #HumanCapital

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"Make work enjoyable!" "Make job searching easier!" We will connect this to a movement that accelerates our mission of "continuously creating success from recruitment" to achieve successful hiring support! ◆ What is "Hatarakun"? As work styles diversify and job searching methods evolve, some people still hold a pessimistic view of "working" and concepts like "job change" and "job hunting." Therefore, we created "Hatarakun," a fun raccoon character that everyone loves, to help people feel closer to "working" and "job searching." Our hope is to transform the image of work into something enjoyable and to create a society filled with smiles. ◆ What is b-search? A department store specialized in recruitment! One-stop hiring! The only company in Japan! Simultaneous operation of Airwork, Engage, and Rikunabi Next. Handling over 100 types of media! We provide a wide range of services like a department store, developing strategies repeatedly for effectiveness and the future. Utilizing various media, we support our clients' recruitment strategies as efficiently as possible. We offer numerous services based on our achievements and know-how to provide solutions in a one-stop manner.