List of Tunnel construction products

A roller that scrapes off adhered items while rotating, due to its symmetrical spiral shape.

• Tunnel construction
• Dam construction
• Transport machinery

Roller used in the VR type return idler (VR type) with a trough shape.

• Tunnel construction
• Dam construction
• Transport machinery

Center roller of type A pressed return idler (3-groove offset type)

• Tunnel construction
• Dam construction
• Transport machinery

Impact idler with conventional type stand specifications.

• Tunnel construction
• Dam construction
• Transport machinery

Carrier idler with an automatic centering function ideal for adjusting belt waviness and misalignment.

• Tunnel construction
• Dam construction
• Transport machinery

Carrier idler that improves belt wandering and misalignment through the automatic centering function of tapered rollers.

• Tunnel construction
• Dam construction
• Transport machinery

A stand-tilting carrier idler that helps reduce "work time" and "risk rate" during roller replacement.

• Tunnel construction
• Dam construction
• Transport machinery

A carrier idler connected by joint links for effective snake prevention.

• Tunnel construction
• Dam construction
• Transport machinery

Lightweight roller for lightweight spiral return idler (LSR type)

• Tunnel construction
• Dam construction
• Transport machinery

A powerful belt cleaner from the United States that maintains its robust scraping ability for an extended period.

• Tunnel construction
• Dam construction
• Transport machinery

Impact idler used for flat transport.

• Tunnel construction
• Dam construction
• Transport machinery

Carrier idler that improves belt wandering and misalignment through the automatic centering function of tapered rollers.

• Tunnel construction
• Dam construction
• Transport machinery

Return idler that corrects belt wandering and misalignment using belt tension and friction.

• Tunnel construction
• Dam construction
• Transport machinery

A powerful belt cleaner from the United States that maintains its impressive scraping power for a long time.

• Tunnel construction
• Dam construction
• Transport machinery

Standard return idler with conventional type return bracket specifications.

• Tunnel construction
• Dam construction
• Transport machinery

Conventional type bracket specification for ore drop prevention return idler.

• Tunnel construction
• Dam construction
• Transport machinery

Roller unit that forcibly scrapes off attachments on the belt.

• Tunnel construction
• Dam construction
• Transport machinery

Roller used for V-type pressing return idler (VRP type)

• Tunnel construction
• Dam construction
• Transport machinery

Taper type / taper type reverse pressing automatic centering return idler's center roller

• Tunnel construction
• Dam construction
• Transport machinery

A roller with improved wear resistance and corrosion resistance by press-fitting PVC pipes on the surface.

• Tunnel construction
• Dam construction
• Transport machinery

Rollers used for various guide idlers and Tora-type guide idlers (TG type).

• Tunnel construction
• Dam construction
• Transport machinery

Lightweight rollers for lightweight flat carrier idlers (LFCL type, LFCH type)

• Tunnel construction
• Dam construction
• Transport machinery

Lightweight roller for lightweight impact idler (LKC type)

• Tunnel construction
• Dam construction
• Transport machinery

Lightweight roller for lightweight return idler (LR type)

• Tunnel construction
• Dam construction
• Transport machinery

Conventional type bracket specification for ore drop prevention return idler.

• Tunnel construction
• Dam construction
• Transport machinery

Conventional type bracket specification adhesion countermeasure return idler

• Tunnel construction
• Dam construction
• Transport machinery

A roller that improves the wear resistance and corrosion resistance of pipes by bonding rubber to the surface.

• Tunnel construction
• Dam construction
• Transport machinery

A roller made of hard PVC (VP) that has high chemical resistance, acid resistance, alkali resistance, and excellent water resistance.

• Tunnel construction
• Dam construction
• Transport machinery

Lightweight roller for lightweight carrier idler (LC type)

• Tunnel construction
• Dam construction
• Transport machinery

Shortened construction period! Drainage between blocks has become possible, eliminating the need for the construction of drainage ditches.

• Tunnel Materials
• Tunnel construction
• Retaining wall

Connection with bolts is possible! It has a structure that can absorb the installation extension of the catch basin position up to 5 cm front and back.

• Tunnel Materials
• Tunnel construction
• Various blocks

[Cost Reduction Proposal] A must-see for design and development personnel struggling with soaring "steel prices"! Achieve cost reduction by thinning the pipes.

• Tunnel Materials
• Tunnel construction
• Pipeline Construction

By collaborating with partner companies, we can accommodate a wide range from φ10 to 400 and t0.2 to 3.0! We accept orders from one piece to large lots, even for custom sizes!

• Tunnel Materials
• Tunnel construction
• Pipeline Construction

Easy lifting of materials such as solar panels, tiles, plywood, and gypsum boards on roofs and rooftops! Material lifting machine "Sky R Carry."

• Tunnel construction

Change the alarm based on the detection distance (level of danger).

• Tunnel construction
• Concrete construction

It detects forklifts operating with the mast raised high and issues an alarm. This significantly reduces the risk of collision and damage accidents.

• RFID/IC tags
• Tunnel construction

It has been 20 years since we started repairing bridges, tunnels, and rivers. As a subcontractor, we have managed and executed many projects. First, we will provide an estimate.

• Bridge Construction
• Renovation and repair methods
• Tunnel construction

It has been 20 years since we started repairing tunnels, bridges, and rivers. As a subcontractor, we have managed and executed many construction projects. First, we will provide an estimate.

• Tunnel construction
• Bridge Construction
• Renovation and repair methods

High-performance backing injection material with excellent safety and durability, constructed with 40 times expanded polyurethane!

• Tunnel construction
• Renovation and repair methods
• Special Construction Method

Effectively utilize the tunnel cross-section! Excavation of "rectangular cross-sections" with any different aspect ratio is possible!

• Drilling Machine
• Tunnel construction
• Tunnel Materials

A Navisworks add-in tool that enables anyone to easily assign attributes in Navisworks!

• Bridge Construction
• Tunnel construction

With a lightweight testing machine of approximately 1.2 kg, tensile tests on anchor bolts up to M22 can be conducted with a maximum load of 100 kN!

• Tunnel construction
• Road construction
• Non-destructive testing

A tunnel repair method that does not use any fluorocarbons! All materials and equipment can be loaded onto a 4-ton truck.

• Tunnel construction

No need for visual confirmation by a person! It can be monitored remotely, allowing for timely checks, and there have been reports of quicker detection of abnormalities such as bearing seizure and fai...

• Tunnel construction

Ensuring reproducibility with three sensory experiences! An anchor bolt tensile load testing device that enables significant labor savings.

• Non-destructive testing
• Road construction
• Tunnel construction