Free Joint - List of Manufacturers, Suppliers, Companies and Products

Free Joint Product List

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Side-view diamond-free joint 'K-40'

Side-view diamond-free joint 'K-40'

In repairs that do not require chipping, you can prolong the lifespan of the bridge without damaging the deck and reduce maintenance costs!

"K-40" is a diamond-free joint developed by our company based on numerous experiences for horizontal joints. It features a separation structure consisting of a receiving base installed on the floor slab, a receiving plate placed on top of the receiving base, and a surface rubber with numerous diamond-shaped holes. Despite being separate components, they function as a cohesive unit, demonstrating excellent performance. Both the product and installation possess flexible performance, making it widely used in many highways, bridges, and elevated bridges. [Features] ■ Protects the floor slab ■ Comfortable driving ■ Safe driving ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

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Vertical Joint Free Joint "K-210T"

Vertical Joint Free Joint "K-210T"

We can accommodate both pre-installed and post-installed methods for various types of bridges, including RC bridges, PC bridges, and steel bridges!

The "K-210T" is a diamond-free joint designed for vertical joints that can accommodate large displacement amounts caused by longer span lengths. The surface rubber has sufficient thickness, and the load-bearing plate is coated with rubber on a steel plate, which helps to mitigate impact loads and reduces the effects on the floor slab. Additionally, the surface rubber absorbs expansion and contraction through the elastic deformation of diamond-shaped holes, keeping the joint surface consistently flat, resulting in reduced noise during travel and a more comfortable ride. 【Features】 ■ Protects the floor slab ■ Comfortable travel ■ Safe travel ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Side-view diamond-free joint "K-530"

Side-view diamond-free joint "K-530"

We can accommodate both pre-installed and post-installed methods for various types of bridges such as RC bridges, PC bridges, and steel bridges!

We would like to introduce our diamond-free joint for lateral joints, "K-530," which we handle. This product was developed in response to requests for a product that can accommodate even wider gaps, and it has been successfully supplied to the Kawazu Shimoda Road (Shizuoka) and the Nagase Viaduct (Tottori). It can be used with various types of bridges, including RC bridges, PC bridges, and steel bridges, and is compatible with both pre-installed and post-installed methods. Please feel free to consult us even if you are considering products other than our genuine items. 【Features】 ■ Protects the deck ■ Comfortable driving ■ Safe driving ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Vertical joint-free joint "K-40T" for vertical joints

Vertical joint-free joint "K-40T" for vertical joints

It is a joint installed parallel to the bridge axis (the direction of vehicle travel)!

The "K-40T" is a diamond-free joint developed by our company, which is an expert in vertical joints. It features a separation structure consisting of a receiving base installed on the floor slab, a receiving plate placed on top of the receiving base, and a surface rubber with numerous diamond-shaped holes. Despite being separate components, they function as a cohesive unit, demonstrating excellent performance. It also closely follows the unique three-dimensional movements of vertical joints, making it widely used on many highways, bridges, and elevated roads. 【Features】 ■ Protects the floor slab ■ Comfortable driving ■ Safe driving ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Diagonal Free Joint "K-80"

Diagonal Free Joint "K-80"

The surface rubber, receiving plate, and receiving base have a separated structure, so wear of the surface rubber does not expose the steel plate that causes slipping, allowing for safe operation!

The "K-80" is a diamond-free joint developed by our company based on extensive experience for horizontal joints. By adopting a high-nut type anchor bolt, it eliminates the need to chip concrete during repairs, resulting in no noise or debris waste, and it can also shorten construction time. Additionally, the reduction in time helps minimize exhaust emissions caused by traffic congestion, thus preserving the living and working environment in urban areas and the natural environment in suburban areas. 【Features】 ■ Protects the floor slab ■ Comfortable driving ■ Safe driving ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Diagonal Free Joint "K-330"

Diagonal Free Joint "K-330"

The surface rubber, receiving plate, and receiving base have a separated structure, so wear of the surface rubber does not expose the steel plate that causes slipping, allowing for safe operation!

The "K-330" is a diamond-free joint designed for transverse joints, installed perpendicular or diagonally to the bridge axis (the direction of vehicle travel). It is suitable for bridges with wide spans that consider displacements during earthquakes and is ideal for repairs of finger joints. Additionally, the surface rubber absorbs expansion and contraction through the elastic deformation of diamond-shaped holes, keeping the surface of the joint always flat, resulting in reduced noise during travel and a comfortable driving experience. 【Features】 ■ Protects the deck ■ Comfortable driving ■ Safe driving ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Vertical joint-free joint "K-80T" for vertical joints

Vertical joint-free joint "K-80T" for vertical joints

It can be repaired in a short time, which also helps reduce economic losses due to traffic congestion!

The "K-80T" is a diamond-free joint developed by our company, which is an expert in vertical joints. By adopting a high-nut type anchor bolt, it eliminates the need to chip concrete during repairs, thereby preventing noise and debris waste, and reducing construction time. It also closely follows the three-dimensional movements unique to vertical joints, making it suitable for use on many highways, bridges, and elevated roads. 【Features】 ■ Protects the deck ■ Comfortable driving ■ Safe driving ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Vertical Joint Free Joint "K-330T"

Vertical Joint Free Joint "K-330T"

By shortening construction time, emissions from traffic congestion can also be reduced!

The "K-330T" is a diamond-free joint designed for vertical joints that can accommodate large displacements caused by longer span lengths. With repairs that do not require chiseling, it can extend the lifespan of bridges without damaging the deck and reduce maintenance costs. Additionally, it can be repaired in a short time, which helps reduce economic losses due to traffic congestion. Please feel free to contact us if you have any inquiries. 【Features】 ■ Protects the deck ■ Comfortable driving ■ Safe driving ■ Environmentally friendly ■ Reduces costs *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Diagonal-use diaphragm-free joint "K-50"

Diagonal-use diaphragm-free joint "K-50"

We can accommodate both pre-installed and post-installed methods for various types of bridges, including RC bridges, PC bridges, and steel bridges!

The "K-50" is a diamond-free joint developed by our company based on extensive experience for lateral joints. Since the surface rubber, receiving plate, and receiving base have a separated structure, the steel plate that causes slipping does not come to the surface due to wear of the surface rubber, allowing for safe travel. Additionally, the surface rubber has sufficient thickness, and the receiving plate that supports the load is coated with rubber on the steel plate, which helps to mitigate impact loads and reduces the effect on the floor slab. 【Features】 ■ Protects the floor slab ■ Comfortable travel ■ Safe travel ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Diagonal Diamond-Free Joint "K-110"

Diagonal Diamond-Free Joint "K-110"

It can be repaired in a short time, which also helps reduce economic losses due to traffic congestion!

The "K-110" is a diamond-free joint developed by our company based on various experiences for horizontal joints. It features a separation structure consisting of a receiving base installed on the floor slab, a receiving plate placed on top of the receiving base, and a surface rubber with numerous diamond-shaped holes. Although these are separate components, they function together as a cohesive unit, demonstrating excellent performance. The surface rubber absorbs expansion and contraction through the elastic deformation of the diamond-shaped holes, keeping the surface of the joint consistently flat, which reduces noise during travel and ensures a comfortable ride. 【Features】 ■ Protects the floor slab ■ Comfortable travel ■ Safe travel ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Side-view diamond-free joint "K-210"

Side-view diamond-free joint "K-210"

In repairs that do not require chipping, you can prolong the lifespan of the bridge without damaging the deck and reduce maintenance costs!

The "K-210" is a diamond-free joint suitable for horizontal joints, designed to accommodate bridge structures with wide spans that consider displacements during earthquakes, and is ideal for repairs of finger joints. Since the surface rubber, receiving plate, and support structure are separated, wear of the surface rubber does not expose the steel plate that can cause slipping, allowing for safe travel. Additionally, the surface rubber has sufficient thickness, and the receiving plate that supports the load is coated with rubber on the steel plate, which helps to mitigate impact loads and reduces the effects on the deck slab. 【Features】 ■ Protects the deck slab ■ Comfortable travel ■ Safe travel ■ Environmentally friendly ■ Cost-effective *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Side-eye use diamond-free joint "K-240"

Side-eye use diamond-free joint "K-240"

It can be repaired in a short time, which also helps reduce economic losses due to traffic congestion!

The "K-240" is a diamond-free joint for transverse joints that is installed perpendicular or diagonally to the bridge axis (the direction of vehicle travel). By adopting high-nut anchor bolts, there is no need to chip away concrete during repairs, which prevents noise and debris waste, and also shortens construction time. Additionally, the reduction in time helps to minimize exhaust emissions caused by traffic congestion, thus preserving the living environment in urban areas and the natural environment in suburban areas. 【Features】 ■ Protects the deck ■ Comfortable driving ■ Safe driving ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Vertical Joint Free Joint "K-50T" for Vertical Joints

Vertical Joint Free Joint "K-50T" for Vertical Joints

By shortening construction time, the generation of exhaust gases due to traffic congestion can also be reduced!

The "K-50T" is a diamond-free joint developed by our company, which is an expert in vertical joints, specifically for vertical joints. Since the surface rubber, receiving plate, and receiving base have a separated structure, wear of the surface rubber does not expose the steel plate that causes slipping, allowing for safe travel. Additionally, the surface rubber absorbs expansion and contraction through the elastic deformation of the diamond-shaped holes, keeping the surface of the joint consistently flat, resulting in reduced noise during travel and a comfortable ride. 【Features】 ■ Protects the floor slab ■ Comfortable travel ■ Safe travel ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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Vertical joint-free joint "K-240T"

Vertical joint-free joint "K-240T"

A separation structure consisting of three components! It produces minimal noise during operation, allowing for a comfortable ride.

The "K-240T" is a vertical joint designed for accommodating large displacements caused by longer span lengths. By adopting a high-nut type anchor bolt, it eliminates the need to chip away concrete during repairs, thereby preventing noise and debris waste, and reducing construction time. Additionally, the reduction in time also helps minimize exhaust emissions caused by traffic congestion, preserving the living environment in urban areas and the natural environment in suburban areas. 【Features】 ■ Protects the floor slab ■ Comfortable driving ■ Safe driving ■ Environmentally friendly ■ Cost-saving *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials

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