Expansion device Product List and Ranking from 6 Manufacturers, Suppliers and Companies | IPROS

Last Updated: Aggregation Period:May 06, 2026~Jun 02, 2026
This ranking is based on the number of page views on our site.

Expansion device Manufacturer, Suppliers and Company Rankings

Last Updated: Aggregation Period:May 06, 2026~Jun 02, 2026
This ranking is based on the number of page views on our site.

  1. Chugai Doro Co., Ltd. Hyogo//Building materials, supplies and fixtures manufacturers
  2. クリテック工業 本社、大阪営業所 Tokyo//Building materials, supplies and fixtures manufacturers
  3. 富士技建 Osaka//Other construction industries
  4. 4 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
  5. 5 リバークル Fukui//Other construction industries

Expansion device Product ranking

Last Updated: Aggregation Period:May 06, 2026~Jun 02, 2026
This ranking is based on the number of page views on our site.

  1. Expansion device "Metal Garg Joint NL-FL type" Chugai Doro Co., Ltd.
  2. Expansion device [Hybrid Joint] NS to LL type クリテック工業 本社、大阪営業所
  3. Expandable device "Super Guide Top Joint SGTd Type" Chugai Doro Co., Ltd.
  4. 4 Expansion device "PCJ Super Joint PCJ Type" Chugai Doro Co., Ltd.
  5. 5 Expansion device "Gaislide Joint GS type" for pedestrian use. Chugai Doro Co., Ltd.

Expansion device Product List

31~34 item / All 34 items

Displayed results

Expansion device "Rubber Ace Joint RTS type"

Cracks and bulges are resolved! Introducing a utility joint with excellent basic performance.

The "Raba Ace Joint RTS Type" is an expansion device for bridges and elevated roads that ensures a large expansion range (up to 90) with a simple structure and small joint play. By integrating special rubber and steel plates through vulcanization and adhesion, durability is improved, eliminating cracks and bulges. The double waterproof structure of RTS rubber and RTS seamless P.K.G prevents leakage. The special setter method allows for accurate and easy installation. 【Features】 ■ Structural Characteristics... Ensures a large expansion range (up to 90) with a simple structure and small joint play / High versatility suitable for not only roadways but also sidewalks and vertical joints, non-drainage structure / Patent bending (up and down movement) follow-up maximum values of 40mm (RTS-35), 60mm (RTS-50), and 1000mm (RTS-90) ■ Durability... Improved durability through the integration of special rubber and steel plates via vulcanization and adhesion, eliminating cracks and bulges ■ Waterproofing... Prevents leakage with the double waterproof structure of RTS rubber and RTS seamless P.K.G ■ Workability... Accurate and easy installation due to the special setter method *For more details, please download the PDF or feel free to contact us.

  • ラバエースジョイントRTS型_02.jpg
  • Bridge Materials
  • Expansion device

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Expansion device "Super Guide Top Joint SGTd-K type" for steel deck slabs

It is also possible to have a connector shape that connects the joint play area position to the center of the floor slab play area!

The "Super Guide Top Joint SGTd-K Type" is a bridge and elevated road expansion device that has established a refresh method for rubber part replacement maintenance. It features a structure suitable for steel deck plate bridges without notches, combining the vertical dual-side tooth structure of the Super Guide Top Joint with the horizontal single-side tooth structure of the Metal Top Super Joint. We offer zinc thermal spray types and other measures for salt damage and rust prevention. Additionally, metal spraying and surface anti-slip treatments are also available, so please feel free to consult us. 【Features】 ■ Structure for steel deck plates / Load-supporting type ■ Connector shape that connects the joint gap position to the center of the deck gap is also possible ■ Secondary waterproof structure that can be equipped with a "double waterproof unit" (patent registered) ■ Zinc thermal spray types and other measures for salt damage and rust prevention are available ■ Established a refresh method for rubber part replacement maintenance *For more details, please download the PDF or feel free to contact us.

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  • Bridge Materials
  • Expansion device

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Expansion device "Steel Finger Joint"

We are manufacturing expansion devices for bridges (steel finger joints).

We are capable of detailed design in-house and can undertake everything from design to on-site delivery as a single package. Additionally, we can also manufacture seismic reinforcement components (such as anti-fall structures and displacement limit devices) and inspection paths, which are auxiliary structures for bridges, in addition to expansion devices. Please feel free to contact us for product estimates.

  • Bridge Construction
  • Bridge Materials
  • Expansion device

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Expansion device "Hybrid Joint NS-LL Type"

[Agents Wanted] The connection points between joints are factory vulcanized and bonded, achieving very high water resistance.

Crittec Industries Co., Ltd. has continued to develop expansion devices for bridges that are environmentally friendly and contribute to environmental protection, fulfilling its responsibilities as a comprehensive manufacturer of expansion devices for road bridges. We will continue to adhere to this policy, conducting all development, design, and manufacturing processes in-house to create products that meet our customers' needs. Additionally, Crittec Industries Co., Ltd. often takes responsibility not only for product sales but also for installation work, striving to improve products by considering issues that arise during installation and the condition of removed existing expansion devices. Our product lineup is extensive, ranging from small to large products, capable of accommodating expansion amounts from 20mm to 175mm and a maximum slab gap of 395mm. 【Features】 ○ High watertightness ○ 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.

  • S・L・LLタイプ設置写真.jpg
  • R0021887.JPG
  • Foundation construction
  • Dam construction
  • Expansion device

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