Expansion device Product List and Ranking from 18 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Expansion device Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. 中外道路 Hyogo//Building materials, supplies and fixtures manufacturers
  2. クリテック工業 本社、大阪営業所、福岡営業所 Tokyo//Building materials, supplies and fixtures manufacturers
  3. 日之出水道機器 道路橋梁マーケティンググループ Fukuoka//Electricity, Gas and Water Industry
  4. 4 null/null
  5. 5 東京ベルト Tokyo//Trading company/Wholesale
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Expansion device Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Notice of Participation in the "Highway Techno Fair 2025" クリテック工業 本社、大阪営業所、福岡営業所
  2. Cast iron expansion joint "Hinodakutairu Joint α (CV type)" 日之出水道機器 道路橋梁マーケティンググループ
  3. Expansion device "Metal Garg Joint NL-FL type" 中外道路
  4. 4 Expansion device [Super Guide Top Joint SGTd-K type] for steel deck slabs 中外道路
  5. 5 Expansion device "Gaislide Joint GS type" for pedestrian use. 中外道路

Expansion device Product List

1～15 item / All 118 items

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Technical Data: Seamless Joint Method for Embedded Expansion Devices for Bridges

Technical Data: Seamless Joint Method for Embedded Expansion Devices for Bridges

Years of trial and error! Effective in bridge longevity measures and roadside/traffic environment measures!

This document introduces the seamless joint method for buried expansion devices used in bridges. This method aims to achieve continuous pavement by using a highly elastic pavement material called "Falcon SJ," which has properties similar to the surrounding pavement, along with a simple mechanism called the "joint frame" that is buried, absorbing deformations at the expansion joints. It includes sections such as "Transition of Buried Joints," "Products and Construction of the Seamless Joint Method," and "Waterproofing of Seamless Joints." [Contents (excerpt)] ■ Introduction ■ Transition of Buried Joints ■ Products and Construction of the Seamless Joint Method ■ Durability of the Seamless Joint Method ■ Waterproofing of Seamless Joints *For more details, please refer to the PDF document or feel free to contact us.

  • Bridge Construction

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Buried-type expansion joint for bridges "Seamless Joint SJ-M/SJ-P"

Buried-type expansion joint for bridges "Seamless Joint SJ-M/SJ-P"

Buried type expansion device for bridges, suitable for steel bridges, PC bridges, and RC bridges, with a bed box extraction type structure.

The "Seamless Joint SJ-M/SJ-P" is a buried expansion device for bridges that uses the highly durable and water-resistant elastic pavement material "Falcon SJ." The "SJ-M type" has "Falcon SJ" exposed on the pavement surface, providing the same properties as the surrounding asphalt, ensuring a smooth driving experience without any step differences over a long period. The "SJ-P type" is completely buried under the asphalt pavement, allowing for a seamless driving experience in short-span, small-scale bridges. 【SJ-M Type Specifications】 ■ Standard dimensions: Sidewalk part 400mm × 80mm, Roadway part 400mm × 120mm ■ Applicable joints: Transverse joints / Longitudinal joints ■ Applicable bridges: Steel bridges / PC bridges / RC bridges ■ Structure: Slab box type ■ Construction method: Retrofit method *For more details, please refer to the PDF document or feel free to contact us.

  • Reinforcement and repair materials
  • Renovation and repair methods

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Expansion Device Hybrid Joint [Construction Example Aomori Prefecture]

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.

  • Joints between components

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Expansion Device Hybrid Joint [Construction Example Osaka Prefecture]

Expansion Device Hybrid Joint [Construction Example Osaka Prefecture]

We would like to introduce a case study of the hybrid joint (CF type) for bridge expansion devices, 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 devices. 【Construction Case】 ○ Construction Location: Osaka Prefecture ○ Bridge Name: Dainichi Elevated Bridge ○ Product: CF-80 and others ○ Comment: This is the installation of the NEXCO specification CF-80 type. One of its characteristics is that it has a larger applicable gap compared to products from other manufacturers. For more details, please contact us or request a catalog.

  • Joints between components

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Expansion device "Hybrid Joint CS-50"

Expansion device "Hybrid Joint CS-50"

Strongly bonded rubber and steel plate with press vulcanization adhesion! A joint that demonstrates excellent water-stopping performance.

The "CS-50" is a bridge expansion device that bonds rubber and steel plates through press vulcanization. It exhibits excellent water-stopping performance. The steel vertical uneven shape enhances durability and achieves ultra-low noise, making it suitable for wide-span floor slabs. 【Features】 ■ Press vulcanization bonding of rubber and steel plates ■ Excellent water-stopping performance ■ Improved durability ■ Ultra-low noise ■ Compatible with steel floor slabs *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

  • Bridge Materials

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Expansion device "Hybrid Joint NCS-40"

Expansion device "Hybrid Joint NCS-40"

A bridge joint that exhibits excellent water resistance! Strongly bonded rubber and steel plate through press vulcanization.

The "NCS-40" is a bridge expansion device that is bonded using press vulcanization of rubber and steel plates. Its uneven shape in the gap area enhances durability and achieves ultra-low noise, making it suitable for wide slab gaps. The standard length is 1.8m, and it can be adjusted on-site to accommodate the standard length and ends according to the width. 【Features】 ■ Press vulcanization bonding of rubber and steel plates ■ Excellent water resistance ■ Improved durability ■ Ultra-low noise *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

  • Bridge Materials

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Basic Knowledge of Expansion Devices "Classification in Structures" <Free Materials Provided>

Basic Knowledge of Expansion Devices "Classification in Structures" <Free Materials Provided>

Explaining the key points for selecting bridge joints! Technical materials are available as a gift!

We are currently offering technical materials from Crittec Industries Co., Ltd. titled "Expansion Device Explanation Series - Structure of Expansion Devices." This includes an introduction to the classification of structures, their respective features, and the locations where they are used, along with illustrations. [Contents] ■ Classification of Structures ■ Features of Butt Joint Type ■ Features of Load Support Type *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

  • Bridge Materials

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Basic Knowledge of Expansion Devices "Types of Expansion Devices" <Free Materials Provided>

Basic Knowledge of Expansion Devices "Types of Expansion Devices" <Free Materials Provided>

Explaining the key points for selecting joints for bridges! Technical materials are available as a gift!

We are currently offering technical materials from Crittec Industries Co., Ltd. titled "Expansion Device Explanation Series - Types of Expansion Devices." This includes a classification of structures and introduces the characteristics of each with illustrations. [Contents] ■ What is a finger joint? ■ What is a buried joint? ■ Others *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

  • Bridge Materials

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Expansion Device Hybrid Joint [Construction Example Shizuoka Prefecture]

Expansion Device Hybrid Joint [Construction Example Shizuoka Prefecture]

We will introduce a case study of the hybrid joint (CF 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, striving to improve products by considering issues that arise during installation and the condition of damaged existing expansion devices that are removed. 【Construction Example】 ○ Location: Shizuoka Prefecture ○ Bridge Name: Mabushigawa Bridge ○ Product: CF-80 and others ○ Comment: This was a replacement work for expansion devices during the floor slab thickening construction. Special attention was paid to the scattering of sparks during welding.

  • Bridge Materials

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Expansion Device Hybrid Joint [Construction Example, Gunma Prefecture]

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.

  • Joints between components

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Expansion Device Hybrid Joint [Construction Example, Tokyo, Eitai Bridge]

Expansion Device Hybrid Joint [Construction Example, Tokyo, Eitai Bridge]

We would like to 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 Case】 ○ Location: Tokyo ○ Bridge Name: Eitai Bridge ○ Product: L-100 and others ○ Comment: Eitai Bridge is Japan's first iron bridge and the first road bridge to exceed a span length of 100 meters. Due to its historical significance, it was selected as one of the "First Civil Engineering Heritage" by the Japan Society of Civil Engineers in 2000, along with Kiyosu Bridge. Additionally, in 2007, it became the first road bridge designated as an Important Cultural Property (Building) by the national government. For more details, please contact us or request a catalog.

  • RIMG0443.JPG
  • Joints between components

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Expansion Device Hybrid Joint [Construction Example Saitama Prefecture]

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.

  • Joints between components

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Expansion Device Hybrid Joint [Construction Example, Chiba Prefecture]

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.

  • Joints between components

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Bridge Expansion Device Hybrid Joint <Free Materials Available>

Bridge Expansion Device Hybrid Joint <Free Materials Available>

Supports various types of bridges, with numerous achievements nationwide! High water resistance, long-term durability of 50 years, and easy installation.

The "Hybrid Joint" is a high-performance waterproof structure for bridge expansion devices, made by press vulcanizing and bonding rubber and steel. Due to its small surface exposure, it reduces impact during vehicle passage and prevents slipping even in rain or snow. The vertical structure of the load-bearing support prevents damage from metal fatigue, achieving a long-term durability of 50 years and maintenance-free operation. 【Features】 ■ Compatible with various types of bridges, including steel bridges, PC bridges, RC bridges, cable-stayed bridges, and curved bridges. ■ Can be installed with a 4-ton crane truck, allowing for safe and easy construction in a short time. ■ Can be replaced in short lengths for each lane. ■ Widely adopted by public organizations across the country, including the Ministry of Land, Infrastructure, Transport and Tourism, NEXCO, urban expressways, and local governments. *Currently, we are offering a product catalog for download. Please take a look.

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  • Bridge Materials

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Expansion Device Hybrid Joint [Construction Example, Yamanashi Prefecture]

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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