Expansion device(nexco) - List of Manufacturers, Suppliers, Companies and Products

Last Updated: Aggregation Period:Sep 24, 2025~Oct 21, 2025
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Expansion device Product List

16~30 item / All 38 items

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Expansion device "Hybrid Joint CF Type (with guide plate)"

By installing the guide board, it prevents damage to the main body by the grader in snowy areas.

The Hybrid Joint CF type features a tooth-shaped design that smoothly transmits the movement of wheel loads on its surface, and its structure is designed to minimize noise and vibration by absorbing shocks from unevenness. The water-stopping structure, made of elastic sealing material and rubber, offers high water resistance, and since standard products are assembled and delivered at the factory for installation, the likelihood of water leakage from connection points is low. 【Features】 ○ High water resistance ○ Low noise for comfortable driving ○ Complies with NEXCO standards For more details, please contact us or request a catalog.

  • Joints between components

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Expansion Device Hybrid Joint [Construction Example, Yamagata Prefecture]

We would like to introduce examples of the construction of hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Crittec Industrial Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering issues that arise during installation and the condition of existing expansion joints that are removed. 【Construction Case】 - Location: Yamagata Prefecture - Bridge Name: Haguro Bridge - Product: L-70 and others - Comment: Since it is an area with heavy snowfall, we covered the joint with a blue tarp for curing in preparation for concrete pouring the next day. For more details, please contact us or request a catalog.

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  • Joints between components

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Expansion Device Hybrid Joint [Construction Example, Ibaraki Prefecture]

We will introduce examples of the construction of hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Crittec Industries Co., Ltd. not only sells products but often takes full responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Example】 - Construction Location: Ibaraki Prefecture - Bridge Name: Fujimi Bridge - Product: L-60 and others - Comment: We also made calls for the safety of nearby residents and pedestrians. For more details, please contact us or request a catalog.

  • Joints between components

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Expansion Device Hybrid Joint [Construction Example, Miyazaki Prefecture]

We will introduce examples of the construction of hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Crittec Industrial Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering issues that arise during installation and the condition of existing expansion devices that are removed. 【Construction Example】 - Location: Miyazaki Prefecture - Bridge Name: Yamazumi Koyagawa Bridge - Product: LL-125 - Comment: This is a new construction project. Care was taken to ensure that the surface coloring material was applied evenly. For more details, please contact us or request a catalog.

  • Joints between components

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Expansion Device Hybrid Joint [Construction Example Aomori Prefecture]

We would like to introduce a case study of the hybrid joint (Type 3L), a bridge expansion device that excels in water resistance and durability.

Crittec Industrial Co., Ltd. not only sells products but often takes full responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the damage conditions of the removed existing expansion devices. 【Construction Example】 - Location: Aomori Prefecture - Bridge Name: Nozomi Bridge - Product: 3L-250 - Comment: Since vehicles could not access the bridge, we performed the installation by lifting it with a crane from underneath the bridge. For more details, please contact us or request a catalog.

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Expansion Device Hybrid Joint [Construction Example, Gunma Prefecture]

We will introduce examples of construction for hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Crittec Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Examples】 ○ Location: Gunma Prefecture ○ Bridge Name: Sawarimori Bridge ○ Product: S-30 and others ○ Comment: Due to the narrow width, we conducted the work with a road closure. Additionally, we performed repairs as the concrete in the foundation area was deteriorating. For more details, please contact us or request a catalog.

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Expansion Device Hybrid Joint [Construction Example, Chiba Prefecture]

We will introduce examples of the construction of hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Critic Industrial Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Case】 ○ Location: Chiba Prefecture ○ Bridge Name: Heisei Bridge ○ Products: NS-20 and others ○ Comments: Due to the bridge's proximity to the coast, we conducted the work while confirming the corrosion of rebar and the deterioration of concrete caused by salt damage. For more details, please contact us or request a catalog.

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Expansion Device Hybrid Joint [Construction Example, Yamanashi Prefecture]

We will introduce examples of the construction of hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Critic Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Case】 ○ Location: Yamanashi Prefecture ○ Bridge Name: Yamatani Bridge ○ Product: NS-20 and others ○ Comment: The site was in a peaceful mountainous area with almost no passing vehicles, allowing for safe execution. For more details, please contact us or request a catalog.

  • Joints between components

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Expansion Device Hybrid Joint [Construction Example Tochigi Prefecture]

We would like to introduce a case study of the hybrid joint (NS-LL type) for bridges, which excels in water resistance and durability.

Crittec Industries Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the damage conditions of the removed existing expansion joints. 【Construction Example】 - Location: Tochigi Prefecture - Bridge Name: Koinuma Bridge - Product: NS-20 - Comment: Since the existing joint was of the slide type, we conducted thorough protection under the girder. For more details, please contact us or request a catalog.

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Expansion Device Hybrid Joint [Construction Example, Wakayama Prefecture]

We would like to introduce a case study of the hybrid joint (Type 3L), a bridge expansion device that excels in water resistance and durability.

Crittec Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering issues that arise during installation and the condition of existing expansion joints that are removed. 【Construction Example】 ○ Location: Wakayama Prefecture ○ Bridge Name: Takasegawa Bridge ○ Product: 3L-400 ○ Comment: Due to the heavy weight of the product and the windy conditions at the high-altitude site, we exercised utmost caution when lifting with a crane from below the girder and during installation. For more details, please contact us or request a catalog.

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Expansion Device Hybrid Joint [Construction Example Ehime Prefecture]

We would like to introduce a case study of the hybrid joint (3L type) for bridge expansion devices, which excels in water resistance and durability.

Crittec Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering issues that arise during installation and the condition of existing expansion devices that have been removed. 【Construction Case】 - Location: Ehime Prefecture - Bridge Name: Oshima Bridge - Product: 3L-300 - Comment: Since work had to stop when boats passed under the bridge, we conducted the installation with a supervisor present. It was impressive to see many cyclists stopping on the bridge to take photos of the scenery visible from there. For more details, please contact us or request a catalog.

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Expansion Device Hybrid Joint [Construction Example Saitama Prefecture]

We would like to introduce examples of construction for hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Critic Industrial Co., Ltd. not only sells products but often takes full responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Case】 ○ Location: Saitama Prefecture ○ Bridge Name: Nail-less Bridge Mounted Elevated Bridge ○ Product: S-50 and others ○ Comment: The noise issue of the existing expansion device was the reason for the replacement, so we paid special attention to the height and quality during installation. For more details, please contact us or request a catalog.

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Expandable device "Hybrid Joint 3LIIA type"

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.

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  • Foundation construction
  • Dam construction

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Expansion device "Hybrid Joint NS~LL Type (with guide plate)"

By installing the guide board, it prevents damage to the main body by the grader in snowy areas.

The hybrid joint is a non-drainage expansion device developed using a composite technology of rubber and steel materials, achieving very high water-tightness by press vulcanizing and bonding steel plates and rubber. Furthermore, by adopting a steel vertical shape for the load-bearing structure, the surface exposure area has been minimized, improving sound insulation and durability. 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 ~~ Currently seeking agents; agents from the Tohoku and Hokuriku regions are very welcome! Of course, we can also accommodate companies from other regions! ~~ For more details, please contact us or request a catalog.

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Expandable device "Hybrid Joint 3LIIA type (with guide plate)"

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.

  • RIMG0148.JPG
  • Joints between components

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