Expansion device Product List and Ranking from 12 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Jul 16, 2025～Aug 12, 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:Jul 16, 2025～Aug 12, 2025
This ranking is based on the number of page views on our site.

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  5. 5 東京ベルト Tokyo//Trading company/Wholesale
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Expansion device Product ranking

Last Updated： Aggregation Period:Jul 16, 2025～Aug 12, 2025
This ranking is based on the number of page views on our site.

  1. Cast iron expansion joint "Hinodakutairu Joint α (CV type)"
  2. Expansion device "Metal Garg Joint NL-FL type"
  3. Non-drainage type steel expansion device
  4. 4 Expandable device "Super Guide Top Joint SGTd Type"
  5. 5 Expansion device "Gaislide Joint GS type" for pedestrian use.

Expansion device Product List

16～30 item / All 62 items

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Bridge expansion device "FC Finger Joint"

Bridge expansion device "FC Finger Joint"

This is a bridge expansion device that supports the long lifespan of bridges!

The "FC Finger Joint" is a bridge expansion device that can support the long lifespan of bridges. It protects the waterproofing material, which is essential for non-drainage functionality, and prevents early deterioration of the bridge girder ends in snowy and cold regions. The structure features a steel finger joint with an added fin cover to reduce compressive forces, designed with consideration for the workability during regular inspections from below the bridge and during the replacement of waterproofing materials after the bridge has been put into service. 【Features】 ■ Supports the long lifespan of bridges ■ Suppresses deterioration and functional decline of waterproofing materials ■ Equipped with a fin cover *For more details, please contact us or download the catalog.

  • Joints between components
  • Reinforcement and repair materials

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Bridge expansion device "Super Lead iG Joint"

Bridge expansion device "Super Lead iG Joint"

Innovative expansion devices for bridges that extensively incorporate new mechanisms.

The "Super Lead iG Joint" is a bridge expansion device that appropriately responds to various design specifications and basic functions of bridges. This product inherits previous technologies and experiences, developing and implementing a soundproof shock-absorbing device (SSIA) that buffers and absorbs sound transmission energy and impact energy from wheel loads, which could not be resolved by the displacement lead rubber layer alone. Additionally, it pursues excellent workability and improves the reliability of construction sites. 【Features】 ■ Wide adaptability ■ Excellent cost-effectiveness ■ Good water-tightness ■ High sound insulation ■ Outstanding running performance *For more details, please refer to the catalog or feel free to contact us.

  • Bridge Materials

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Bridge expansion device "Brof Joint SWx type"

Bridge expansion device "Brof Joint SWx type"

Durable and easy to install! Standard type secondary water stop structure for bridge expansion devices.

The "Brof Joint SWx Type" is a metal-top non-drainage expansion device that enhances performance in terms of mobility, low noise, durability, and water-tightness. By using a wave structure for the gap in the faceplate, vehicle movement becomes smoother, and noise during passage can be reduced. The primary water-tight structure using elastic sealing material and the secondary water-tight structure using rubber packing ensure superior water-tightness. 【Features】 ■ Mobility and low noise ■ Durability ■ Water-tightness ■ Ease of installation *For more details, please refer to the PDF document or feel free to contact us.

  • Bridge Materials
  • Bridge Construction

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Buried-type expansion joint "PA Joint"

Buried-type expansion joint "PA Joint"

No secondary water stop needed - seismic performance achieved! Buried expansion device boasting high durability.

The "PA Joint" is a buried expansion device that does not require secondary water stopping, featuring seismic resistance due to its ability to expand and contract in all directions by 360 degrees. It does not experience the fluidity and cracking typical of buried joints, and it is robust with high durability (over 15 years). It performs better against temperature fluctuations and can accommodate a maximum expansion of up to 100mm. This significantly improves the durability issues associated with conventional buried joints, suppresses the occurrence of subsidence and cracking due to fluidity, and ensures the safety of passing vehicles. 【Features】 ■ High durability ■ Zero displacement after over 63,000 rotations in wheel tracking tests ■ Average wear of 0.05mm in labeling test results (Japan Road Construction Association) ■ Can be constructed with the same material for the ground cover, allowing for seamless water stopping ■ Exhibits the same expansion and contraction performance in all 360 degrees *For more details, please refer to the PDF materials or feel free to contact us.

  • Bridge Materials

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Cast iron expansion device "Hinodakutairu Joint α CV Type"

Cast iron expansion device "Hinodakutairu Joint α CV Type"

High water resistance at the connection surface! Reduced life cycle costs through partial replacement with a bolt fastening structure.

The "Hinodakutairu Joint α CV Type" is a cast iron expansion device that achieves a durability equivalent to 30 years through its unique cast iron technology. The bolt fastening structure allows for partial replacement, reducing lifecycle costs. It is possible to protect the water-stopping material with a load-supporting plate and dustproof material. The water-stopping structure at the connection surface is designed to minimize gaps by compressing the protruding water-stopping material, effectively preventing leakage from the connection surface. 【Features】 ■ Maintainability: Reduced lifecycle costs through partial replacement with a bolt fastening structure ■ Durability: Achieves a durability equivalent to 30 years through unique cast iron technology ■ Water-stopping capability: Protection of water-stopping material with a load-supporting plate and dustproof material ■ High water-stopping capability at the connection surface ■ Safety during passage: The semi-circular shape mitigates impact during vehicle passage *For more details, please refer to the PDF document or feel free to contact us.

  • Subsidiary materials

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Expansion device

Expansion device

Leave the stretchable devices to us!

We offer finger joints and mauler joints, providing expansion devices that match each bridge. We handle expansion devices that accommodate temperature changes in bridges and expansion due to earthquakes, while ensuring durability and good drivability. Please feel free to contact us if you have any requests. 【Lineup】 ■ Mauler-type expansion devices ■ Finger-type expansion devices *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Expansion device for small-scale bridges: "Double Defense Joint Method"

Expansion device for small-scale bridges: "Double Defense Joint Method"

[NETIS Registration] Solving expansion device issues with elastic joint materials and protective devices.

Our company offers the small-scale bridge expansion device "Double Defense Joint," which ensures that the protective device does not touch the waterproof section and achieves a longer lifespan than conventional methods. The Double Defense Joint, with its extremely high durability of waterproof functionality, features a structure that creates a space between the elastic joint material in the gap and the protective device, ensuring that no wheel load is applied to the waterproof section. Additionally, the structure is simple, allowing for quick installation, which reduces the time for traffic restrictions such as lane regulations and traffic openings. 【Features of the Double Defense Joint】 ■ High water tightness ■ Long lifespan ■ Short installation time ■ Smooth passage possible ■ Quiet operation ■ Joint protection type ■ NETIS registration number: KK-220006-A ■ Patent obtained *For more details, please download the PDF or feel free to contact us.

  • Special Construction Method

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Expansion device for small-scale bridges "Triple Defense Joint"

Expansion device for small-scale bridges "Triple Defense Joint"

Protective devices, waterproof sheets, and elastic joint materials—these three elements solve the problems of expansion and contraction devices!

The "Triple Defense Joint" is a small-scale bridge expansion device that allows for quick installation, reducing the time required for lane restrictions and traffic openings. It features a double waterproof structure with elastic joint material in the gap section and a rubber waterproof sheet, completely shutting out water and preventing leaks that can cause damage to the bridge. Additionally, the structure includes a space between the rubber waterproof sheet and the protective device, ensuring that no wheel loads are applied to the waterproof section, significantly enhancing the durability of the waterproof function. 【Features】 ■ High water tightness with double waterproof structure ■ Long lifespan ■ Short installation time ■ Smooth passage due to a flat finish ■ Quiet operation ■ Patent obtained *For more details, please refer to the PDF document or feel free to contact us.

  • Renovation and repair methods

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Bridge expansion device "AI Joint"

Bridge expansion device "AI Joint"

Many advantages with a 65mm high joint! Steel joint for load support within pavement thickness.

The "AI Joint" is a load-supporting steel expansion device that can be installed within the pavement without the need to remove the existing slab. With a joint height of 65mm, it reduces industrial waste generated from chipping work and shortens the time required for chipping and traffic restrictions. Additionally, we offer a type compatible with snow plow guidance plates for cold regions. 【Features】 ■ Reduced risk of damage ■ Noise reduction ■ Environmental measures ■ Snow removal measures *For more details, please refer to the PDF document or feel free to contact us.

  • Secondary paving products
  • Pavement construction
  • Foundation construction

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