SUMITOMO RIKO

 

Sumitomo Riko

Infrastructure

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Sumitomo Riko’s industrial hoses used in construction machinery and construction sites and our rubber bearings for bridges used for protecting infrastructure networks such as elevated highways and bridges from the threat of earthquakes contribute to the development of building the foundation of industry and public transport. We have achieved the largest share of the market* for anti-vibration rubber for rolling stock used in Shinkansen and trains in Japan, and it is also widely utilized overseas. Sumitomo Riko also contributes to earthquake disaster reconstruction in Japan, and infrastructure improvement around the world, particularly in emerging countries.

*Estimate by Sumitomo Riko

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Heavy Machinery

We utilize our rubber compounding, molding technology, metal fitting processing, and bonding technology to provide ultra-durable hoses that meet the needs of various industrial machines. Our hydraulic hoses feature a multi-layered structure consisting of layers of rubber and wire to provide both resistance and flexibility. The use of special compound rubber imparts resistance to weather and long-term durability.

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Hydraulic Hoses

These are used in heavy construction equipment and forklifts, with compact piping achievable due to their flexibility. They are to be found playing their part in building the infrastructure and working in logistics all around the world.

Hydraulic Hoses

Products Compatible with
international standards

Construction and Civil Engineering

Industrial hoses are used at building construction and civil engineering sites. Sumitomo Riko offers high-durability hoses that utilize special rubber materials and structural design technology based on our material development technology. These include abrasion-resistant hoses used to deliver raw concrete and drain mud from underground construction sites and oil-resistant hoses for industrial machinery.

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Industrial Hoses

High Arrow

Used by attaching to the end of a concrete pump that pumps ready-mixed concrete at construction sites. It is lightweight, flexible, and features excellent workability. A special rubber compound and structural design provides improved abrasion resistance and realize a longer service life.

ELSTAR

They are used to convey water, mud, and concrete, and you can find them helping with construction deep underground. Over many years, they have contributed to the development of our towns and cities, being used in a variety of major projects.

Bullet Trains and Railway Rolling Stock

Sumitomo Riko's rubber products are more than a match for the requirements of infrastructure where long life and durability are required. The anti-vibration rubber for rolling stock reduces the vibrations from rails, are able to withstand constant vibration and harsh environmental conditions and are widely used widely in high-speed railways both in Japan and around the world.

Anti-vibration Rubber for rolling stock

Cylinder Rubber Axle Springs

Mono-link Bushes (Link Bushes)

Radius Arm Rubber Bushes

These rubber products are used in the truck parts of trains to significantly reduce vibration generated from the track. They are used for the Shinkansen as well for most domestic railroad rolling stock. They are also widely used overseas.

Bridges, Highways and Railways

We develop rubber bearings that safeguard bridges such as elevated highways and bridges from environmental changes and disasters.
These have the effect of reducing the inertial force felt when an earthquake occurs and contribute to the improvement of the seismic performance of the bridge. We safeguard social infrastructure with our main products, our "HDR-S" high damping rubber bearings. and "DRB", disc rubber bearings of high contact pressure that can be installed in space-saving areas.

The "Bizen ♡ Hinase Bridge" in Okayama is an example of a construction project where our rubber bearings are used

Rubber Bearings for bridges

Disc rubber bearings of high contact pressure "DRB"

Able to be installed in small spaces at new and existing bridge. Utilizing urethane rubber and a disk bearing structure, this is a product that realizes high contact pressure.

Landscape Materials

We can offer products for a variety of aesthetics needs. “MOLD STAR”is a special resin cosmetic mold rubber with a design that harmonize with the natural surroundings when used for civil engineering purposes and rich variety of designs for wall surfaces when used for construction purposes. In addition, “PATWALL” can be used for a broad range of purposes including soil erosion prevention and steel sheet pile coating due to reduced constructing time and waste reduction.

Example of landscape materials in use: (Left)MOLD STAR (Right)PATWALL

NS MOLD & NS COATING

This product provides a tile-type design for concrete. It reduces the risk of title pealing and detachment, and reduces maintenance costs for existing apartments and buildings.

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Sumitomo Riko

Global
Headquarters

JP Tower Nagoya 1-1-1, Meieki, Nakamura-ku, Nagoya-shi,
Aichi 450-6316, Japan
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Komaki Head
Office

1, Higashi 3-chome, Komaki-shi, Aichi 485-8550, Japan
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