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

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.

Company：クリテック工業本社、大阪営業所、福岡営業所
Price：Other

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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.

Company：クリテック工業本社、大阪営業所、福岡営業所
Price：Other

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Expansion device "Hybrid Joint PS Type"

Considering pedestrian safety, a telescopic sliding mechanism is adopted! A rich lineup of striped steel plates.

The "PS type" is a checker plate with a non-slip surface treatment. To ensure safety for pedestrians, a sliding mechanism is incorporated in the expansion joints. It employs press vulcanization adhesion, which excels in water resistance and durability. We offer a wide range of products including "PS-20," "PS-30," "PS-100," and "PS-250." 【Features】 ■ Non-slip prevention using checker plate ■ Sliding mechanism in expansion joints for pedestrian safety ■ Press vulcanization adhesion used for steel plates and water seal rubber ■ Improved durability of the adhesive surface at the water stop section *For more details, please refer to the PDF document or feel free to contact us.

Company：クリテック工業本社、大阪営業所、福岡営業所
Price：Other

Steel
Paving of sidewalks, roads, parking lots and stadiums
Road signs and road accessories
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Expandable device "Super Guide Top Joint SGTd Type"

Reduce noise and vibration generation! Easy to install due to its simple structure and manageable weight.

The "Super Guide Top Joint SGTd Type" is an expansion device for bridges and elevated roads that exhibits smooth and excellent driving performance due to its extremely small exposed surface area. It connects water-stop rubber through mold vulcanization and adhesive bonding, allowing for continuity. Its unique tooth structure provides seismic resistance against displacements (vertical and shear displacements) during earthquakes. Its simple structure and manageable weight make installation easy, and a refresh method for rubber part replacement maintenance has been established. 【Features】 ■ Vertical-type double-sided tooth structure / Load-supporting type for durability and reliability ■ Unique tooth structure provides seismic resistance against displacements (vertical and shear displacements) during earthquakes ■ Exhibits smooth and excellent driving performance, reducing noise and vibration generation ■ Connects water-stop rubber through mold vulcanization and adhesive bonding, allowing for continuity ■ Easy installation due to simple structure and manageable weight *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "Metal Garg Joint NL-FL type"

Durability backed by years of experience! By using soundproofing materials, noise is reduced effectively.

The "Metal Gage Joint NL-FL Type" is an expansion device for bridges and elevated roads that is easy to handle and allows for straightforward installation at the planned height. The main components are made of shaped steel and stud welding, eliminating the weak points of welded structures. The joint tooth gap is small, ensuring good drivability. It has gained high evaluations and trust based on years of performance in durability, drivability, and water-tightness, and was selected as a model during the formulation of the new NEXCO standards (July 2011), demonstrating excellent overall balance. 【Features】 ■ Vertical (one-sided) tooth structure / Load-supporting type ■ Durability backed by years of proven performance ■ Small joint tooth gap ensures good drivability ■ The water-stop section is filled with high-quality, highly waterproof elastic sealing material that has received high evaluations ■ Adoption of soundproofing materials reduces noise *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expandable device "Double Finger Super Joint DF Type"

Original technology × design philosophy! A well-established dual-sided tooth structure for comfortable driving with low noise and low vibration.

The "Double Finger Super Joint DF Type" is an expansion device for bridges and elevated roads featuring a horizontal (both sides) tooth structure. It has passed a fatigue test of 2 million cycles at a design load of PS200kN, equivalent to a design service life of over 40 years, demonstrating high safety and durability. With its well-established horizontal (both sides) tooth structure that ensures comfortable driving with low noise and low vibration, as well as the adoption of a secondary waterproofing structure, it contributes to the longevity of bridges through excellent overall balance. 【Features】 ■ Horizontal (both sides) tooth structure, load-supporting type, non-drainage structure ■ Durability and reliability due to the both sides tooth structure ■ Provides smooth and excellent drivability ■ Standard equipped with secondary waterproofing material "Double Waterproof Unit" ■ Reduction of noise and vibration generation due to the both sides tooth structure *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "Metal Garg Joint NT-FFLDZ type"

Melted zinc plating specifications! Contributing to daily environmental maintenance with performance and price.

The "Metal Garg Joint NT-FFLDZ Type" is an expansion device for bridges and elevated roads that reduces vibrations and noise through its double-sided tooth profile, which mitigates impact during vehicle passage, and the use of excellent soundproofing filling materials. The anchor components utilize a bar method with stud welding, making the installation of the floor slab secure and easy. Special formwork for installation is not required, which shortens construction time. Due to its structure that encapsulates the waterproofing section within a surface steel formation, it is highly durable and has a long repair cycle. 【Features】 ■ Structural Characteristics... Double-sided tooth (double finger) structure, load-supporting type, non-drainage structure / T-shaped integral structure of cantilever beams ■ Durability... Eliminates the weak points of welded structures with stud welding of anchor bars, and the face plate and web plate are an integral T-shaped structure (shaped steel), ensuring high reliability with stud welding for anchor components, achieving durability ■ Rideability... Both the joint gap side and the post-poured concrete side are designed with tooth shapes to ensure excellent rideability / The protrusion length of the tooth shape on the face plate is also small, further reducing impact *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "Gaislide Joint GS type" for pedestrian use.

Simple structure and high constructability! Equipped with a secondary water stop structure "Double Water Stop Unit."

The "Gaislide Joint GS Type" is a load-supporting expansion device for bridges and elevated roads, designed with an overlapping structure for pedestrian walkways. It meets the various requirements expected of pedestrian expansion devices and supports safe and comfortable passage in various walking spaces. 【Features】 ■ Structural Characteristics... Simple structure with overlapping steel materials, load-supporting type, non-drainage structure / Structure with gaps covered by steel plates specifically for pedestrian use ■ Durability... High durability with support parts using reinforced concrete structure and stud anchors / The same steel materials as those used for roadways are employed, designed with a high safety factor against crowd loads ■ Passability... The surface of the roadway uses checker plates (hot-dip galvanized) considering pedestrian safety / The gap for expansion is shallow, designed with consideration for pedestrians ■ Water Resistance... Water-stopping parts use vulcanized adhesive water-stopping rubber ■ Workability... Simple structure with high workability ■ Maintainability... Rubber parts can be replaced for maintenance / The top plate (checker plate) is detachable, making inspection and repair of the water supply parts easy *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "Gaislide Joint GS-NL type" for pedestrian use.

Optimize durability, workability, and cost-effectiveness as a sidewalk expansion device!

The "Gaislide Joint GS-NL Type" is a simple structure, load-supporting, non-drainage expansion device for sidewalks, made by overlapping steel materials. The steel materials used are the same as those for roadways, designed with a high safety factor against crowd loads. A ground cover joint (NLE) that integrates the sidewalk and ground cover is available. Additionally, it has good repairability and contributes to LCC (Life Cycle Cost). 【Features】 ■ Structural Characteristics... Simple structure with overlapping steel materials, load-supporting, non-drainage structure / Structure covered with steel plates for sidewalk-specific gaps ■ Durability... High durability with support parts using RC structure and stud anchors / Designed with a high safety factor against crowd loads using the same steel materials as for roadways ■ Passability... The surface of the roadway uses checker plates (hot-dip galvanized) for pedestrian safety / The gap for expansion is shallow, considering pedestrian convenience ■ Water Stopping... The water-stopping part is filled with high-quality elastic sealing material that has received high waterproof ratings ■ Workability... The top plate (checker plate) is detachable, making inspection and repair of the water-stopping part easy *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "Gaitop Joint SKS type" for new transportation systems

New transportation system - Guideway Bus and Urban Monorail provider! Easy construction and reduced construction time.

The "Gaitop Joint SKS Type" is an expansion device for new transportation systems, guideway buses, and urban monorails. It is a sister product of the vertical double-sided tooth-type load-supporting expansion device "Gaitop Joint," which has already received high praise from various government agencies, including the Ministry of Construction, as an expansion device for bridges and elevated roads. 【Features】 ■ Comfortable ride quality ■ Outstanding durability ■ Completely waterproof structure ■ Beautiful appearance ■ No rubber bulging or tearing ■ Type selection based on expansion amount ■ Easy installation and reduced construction time *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "CG Steel Joint NL-F Type"

Achieving high versatility and cost-effectiveness! A low-cost type that utilizes the features of steel tooth molds and butt joint types.

The "CG Steel Joint NL-F Type" is a simple steel joint of the butt type with a vertical tooth profile (one-sided). It adopts a stud welding method for the anchor components, ensuring high robustness. It uses an elastic sealing material with good followability and high waterproofing properties. Due to its compact and narrow design, it is easy to install and is recommended for vertical joints. 【Features】 ■ Structural Characteristics... Simple steel joint of the butt type with a vertical tooth profile ■ Durability... Adopts a stud welding method for the anchor components, ensuring high robustness ■ Water Resistance... Uses an elastic sealing material with good followability and high waterproofing properties ■ Workability... Compact and narrow, making installation easy and recommended for vertical joints ■ Cost-effectiveness... A low-cost type that leverages the characteristics of steel tooth profiles and butt joints *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "Rubber Ace Joint RTH/RT-AS type"

Vertical linear structure / butt joint type! A simple design that demonstrates economy and versatility.

The "Raba Ace Joint RTH/RT-AS Type" is a butt-type rubber joint with a simple structure and vertical design that prioritizes initial cost. Its simple structure, along with the use of reinforced steel plates and stud anchors, ensures robustness through integration with the floor slab. It maintains high water-tightness due to excellent adhesion between the steel plate and sealing rubber achieved through vulcanized bonding. The joint gap is minimal, ensuring good running performance. Its lightweight and simple structure allows for high-quality construction with ease. 【Features】 ■ Structural Characteristics... A butt-type rubber joint with a simple vertical structure that prioritizes initial cost. ■ Durability... Robustness ensured through integration with the floor slab by adopting a simple structure and reinforced steel plates with stud anchors. ■ Water-tightness... High water-tightness achieved through vulcanized bonding with excellent adhesion between the steel plate and sealing rubber. ■ Running Performance... Minimal joint gap ensures good running performance. ■ Workability... Lightweight and simple structure allows for easy high-quality construction. ■ Economic Efficiency... Prioritizes cost performance, providing benefits in both the product itself and workability. *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "Metal Garge Joint NT-FFL type"

Providing cost performance with excellent mobility and low noise/low vibration! Horizontal (both sides) tooth structure/load support type.

The "Metal Garge Joint NT-FFL Type" is a product designed to ensure excellent mobility by having both the joint gap side and the post-poured concrete side shaped like teeth. It eliminates the weak points of welded structures by using stud welding for the anchor bar, and the face plate and web plate are made of a T-shaped integrated structure (shaped steel). The anchor components utilize reliable stud welding, achieving durability. The anchor components adopt a bar method with stud welding, making the installation of the floor slab anchorage easy. 【Features】 ■ Structural Characteristics... Double finger structure on both sides; load-supporting type/T-shaped integrated structure for the beam ■ Durability... Eliminates the weak points of welded structures with stud welding for the anchor bar; the face plate and web plate are made of a T-shaped integrated structure (shaped steel), and the anchor components utilize reliable stud welding, achieving durability ■ Mobility... Both the joint gap side and the post-poured concrete side are shaped like teeth, ensuring excellent mobility; the tooth protrusion length of the face plate is also small, further reducing impact *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "Metal Garg Joint NLt-FLSRFD type"

Vertical (one-sided) tooth structure, load-supporting type, non-drainage structure! The maximum floor slab gap applicable is large and economical.

The "Metal Garge Joint NLt-FLSRFD Type" is a joint designed to withstand a compressive force of 10 kN in areas with heavy snowfall. The main components are shaped steel and stud welding, based on the long-standing proven performance of the NL-FL type, which is also rated for a compressive force of 10 kN. Additionally, it allows for easy concrete pouring and ensures tight compaction, enabling a strong integration between the joint body and the floor slab. 【Features】 ■ Structural Characteristics... Vertical (one-sided) double-sided tooth structure, load-supporting type, non-drainage structure / reverse L-shaped integral structure of the supporting beam ■ Durability... The main components are shaped steel and stud welding, based on the long-standing proven performance of the NL-FL type, rated for a compressive force of 10 kN ■ Mobility... The joint tooth gap is small, ensuring good mobility ■ Water Resistance... The water stop section is filled with high-quality, highly waterproof elastic sealing material (passed water stop performance tests as per NEXCO test method 438) ■ Noise Reduction... The tooth structure reduces tire impact, and the use of soundproofing fillers effectively reduces noise *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "Metal Top Super L Joint MTS-L Type"

A long-selling product with versatility and cost-effectiveness! The adoption of seamless P.K.G prevents water leakage and the falling of soil.

The "Metal Top Super L Joint MTS-L Type" is a product with a horizontal (one-sided) tooth structure, load-supporting type, and non-drainage structure. The entire body is treated with anti-corrosion processing through hot-dip galvanization. The setter method enables complete construction and shortens the construction period. Additionally, the small gap in the joint tooth structure ensures excellent running performance. Since it is detachable, the main body can be replaced easily for repairs. 【Features】 ■ Structural Characteristics... Horizontal (one-sided) tooth structure, butt joint type, non-drainage structure ■ Durability... Anti-corrosion treatment through hot-dip galvanization on the entire body ■ Workability... Complete construction and shortened construction period achieved through patented setter method ■ Running Performance... Small gap in the joint tooth structure ensures excellent running performance ■ Water Stopping Ability... Adoption of seamless P.K.G prevents leakage and falling of soil ■ Repairability... Detachable design allows for easy replacement and repair of the main body *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "PCJ Super Joint PCJ Type"

Vertical (one-sided) tooth-shaped structure / load-supporting type! Both the main body and price are lightweight and compact.

The "PCJ Super Joint" is a compact vertical (one-sided) tooth-shaped structure and load-supporting type of simple steel joint. It simplifies and miniaturizes the versatility of metal guard joints, thereby expanding its applications. Robustness is ensured through the stud welding method for anchor components. Additionally, it is lightweight, compact, easy to handle, and facilitates straightforward installation. It achieves cost reduction while maintaining the performance required of simple steel joints. 【Features】 ■ Structural Characteristics... Compact vertical (one-sided) tooth-shaped structure and load-supporting type of simple steel joint / Simplifies and miniaturizes the versatility of metal guard joints to expand applications. ■ Durability... Robustness is ensured through the stud welding method for anchor components. ■ Water Resistance... Uses elastic sealing material with good followability and high waterproofing (passes water stop performance tests as a specimen for NEXCO test method 438). ■ Workability... Lightweight, compact, easy to handle, and facilitates straightforward installation. ■ Economic Efficiency... Achieves cost reduction while maintaining the performance required of simple steel joints. *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

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Expansion device "Hinodakutairu Joint α (for sidewalks)"

Freely choose surface materials to match the surrounding landscape! A durable and aesthetically pleasing expansion device.

The "Hinodakutairu Joint α (for sidewalks)" is a sidewalk expansion joint that allows for the free selection of surface materials to match the surrounding landscape. One of the challenges with sidewalk expansion joints has been that post-installed concrete does not blend well with the surrounding asphalt pavement or colored tiles. This product allows for the selection of pavement surfaces that match the landscape of the installation site, and because it can fill the surface material up to the vicinity of the expansion joint, it enables construction with excellent aesthetic quality. 【Features】 ■ Allows for the selection of pavement surfaces that match the landscape of the installation site ■ Ensures water-tight performance similar to that of roadway expansion joints *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

Company：日之出水道機器道路橋梁マーケティンググループ
Price：Other

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Pavement construction
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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.

Company：ダット
Price：Other

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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.

Company：リバークル
Price：Other

Renovation and repair methods
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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.

Company：クリテック工業本社、大阪営業所、福岡営業所
Price：Other

Foundation construction
Dam construction
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Expansion device "Hybrid Joint"

[NETIS Registered Product] A bridge expansion device with high water stop performance, comfortable driving, and ultra-low noise.

This is a bridge expansion device adopted nationwide, primarily by the Ministry of Land, Infrastructure, Transport and Tourism, NEXCO, urban expressways, local governments, and other public organizations. 【Features (excerpt)】 ◆ Compatible with small to large bridges Handles expansion amounts from 20mm to 600mm, with a maximum gap of 1230mm. Other specifications can be designed separately. ◆ Usable for all types of bridges Can be used for all types of bridges, including steel bridges, PC bridges, RC bridges, as well as arch bridges and curved bridges. ◆ High water-tightness "NS-LL type": The steel plate and sealing rubber are bonded using a mold (press vulcanization bonding), preventing separation between the steel plate and rubber. ◆ Safe and easy installation Can be installed using a 4-ton unic crane without the need for large machinery like medium to large rough terrain cranes, allowing for safe and easy (speed-up) construction. Here’s a brief introduction to some installation examples! ~~ At the Tochigi Prefecture Nikko Civil Engineering Office (Maruyama Bridge), a "Hybrid Joint" was used for renovation work. * NS-LL type repair ~~ At the Kinki Regional Development Bureau Kinokawa River National Road Office (Takasegawa Bridge), it was used for a newly constructed bridge. * 3L type For more details, please contact us or download the catalog.

Company：クリテック工業本社、大阪営業所、福岡営業所
Price：Other

Foundation construction
Road signs and road accessories
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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.

Company：クリテック工業本社、大阪営業所、福岡営業所
Price：Other

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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.

Company：クリテック工業本社、大阪営業所、福岡営業所
Price：Other

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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.

Company：クリテック工業本社、大阪営業所、福岡営業所
Price：Other

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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.

Company：クリテック工業本社、大阪営業所、福岡営業所
Price：Other

Joints between components
Expansion device

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Expandable device "Hybrid Joint 3LIIA Type"

[NETIS Registered Product] Supports large expansion and contraction (200–600mm) and wide spacing (up to 1230mm). Expansion device for bridges designed with consideration for the surrounding environment.

The Hybrid Joint 3LIIA type, like the conventional Hybrid Joint 3L type, has a vertical integrated structure for the load support and anchor plate sections, resulting in high durability with almost no damage from metal fatigue. By using steel plates vertically, the exposed parts are minimized, leading to 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), making it one of the largest products in the category of rubber-based joints (a general term for products other than finger joints and embedded joints). The main differences from the NEXCO specification 3LII type are that the secondary water stop material is not standard equipment (but can be installed separately) and that the painting specifications differ. The durability and water stop structure of the main body are equivalent to the NEXCO specifications. 【Features】 ○ Accommodates large expansion and contraction and wide gaps ○ High water stop performance due to the zipper structure ○ Long-term durability and maintenance-free For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所、福岡営業所
Price：Other

Foundation construction
Dam construction
Expansion device

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Expansion device "Metal Garg Joint NLd-FLN type" NEXCO specification

Standard equipped with double waterproofing unit! Meets NEXCO performance requirements.

The "Metal Garge Joint NLd-FLN Type" is a vertical (one-sided) expansion device for bridges and elevated roads that complies with NEXCO specifications, featuring a tooth-shaped structure. It comes in eight types of expansion ranges, starting from "NLd-20FLN" with an allowable expansion of 20 (±10) mm to "NLd-70FLN" with 70 (±35) mm, as well as "NLd-90FLN" with 90 (±45) mm and "NLd-110FLN" with 110 (±55) mm. It meets the required performance standards, including structural safety, usability, and durability. 【Features】 ■ Structural safety performance... Load-bearing verification, deformation followability, seismic resistance ■ Usability performance... Driveability, waterproofing ■ Durability performance... Resistance to repeated vehicle traffic, durability against degradation due to usage environment ■ Social and environmental compatibility performance... Noise, vibration ■ Construction performance... Workability, quality ■ Maintenance management performance... Inspectability, repairability *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

Bridge Materials
Expansion device

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Expandable device "Metal Top Super Joint MTS Type"

Horizontal (one-sided) tooth profile structure / butt joint type! A long seller due to versatility and cost-effectiveness.

The "Metal Top Super Joint MTS Type" is an expansion device for bridges and elevated roads that has undergone anti-corrosion treatment through hot-dip galvanization on the entire surface of the main body. The use of a tooth profile instead of a straight line at the tire contact point during joint passage improves drivability. The adoption of seamless P.K.G. prevents water leakage and the dropping of soil. Since it is detachable, the main body can be replaced easily, making repairs straightforward. 【Features】 ■ Structural characteristics ■ Durability ■ Workability ■ Drivability ■ Water-stopping ability ■ Repairability *For more details, please download the PDF or feel free to contact us.

Company：Chugai Doro Co., Ltd.
Price：Other

Bridge Materials
Expansion device

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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.

Company：Chugai Doro Co., Ltd.
Price：Other

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.

Company：Chugai Doro Co., Ltd.
Price：Other

Bridge Materials
Expansion device

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

Expansion device Manufacturer, Suppliers and Company Rankings

Expansion device Product ranking

Expansion device Product List

Expansion device "Hybrid Joint CS-50"

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

Expansion device "Hybrid Joint PS Type"

Expandable device "Super Guide Top Joint SGTd Type"

Expansion device "Metal Garg Joint NL-FL type"

Expandable device "Double Finger Super Joint DF Type"

Expansion device "Metal Garg Joint NT-FFLDZ type"

Expansion device "Gaislide Joint GS type" for pedestrian use.

Expansion device "Gaislide Joint GS-NL type" for pedestrian use.

Expansion device "Gaitop Joint SKS type" for new transportation systems

Expansion device "CG Steel Joint NL-F Type"

Expansion device "Rubber Ace Joint RTH/RT-AS type"

Expansion device "Metal Garge Joint NT-FFL type"

Expansion device "Metal Garg Joint NLt-FLSRFD type"

Expansion device "Metal Top Super L Joint MTS-L Type"

Expansion device "PCJ Super Joint PCJ Type"

Expansion device "Hinodakutairu Joint α (for sidewalks)"

Expansion device

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

Expandable device "Hybrid Joint 3LIIA type"

Expansion device "Hybrid Joint"

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

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

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

Expansion Device Hybrid Joint [Construction Example, Yamagata Prefecture]

Expandable device "Hybrid Joint 3LIIA Type"

Expansion device "Metal Garg Joint NLd-FLN type" NEXCO specification

Expandable device "Metal Top Super Joint MTS Type"

Expansion device "Rubber Ace Joint RTS type"

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

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