List of Tunnel construction products

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

• Tunnel construction
• Dam construction
• Transport machinery

Automatic centering return idler arranged to press down the tapered rollers from the top surface of the belt.

• 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

Steel pipe rollers made according to the most commonly used JIS standards.

• Tunnel construction
• Dam construction
• Transport machinery

A return roller that reduces the drop (falling debris) of attachments on the belt using multiple rubber rings.

• Tunnel construction
• Dam construction
• Transport machinery

A lightweight and compact carrier idler compared to conventional JIS standard products.

• Tunnel construction
• Dam construction
• Transport machinery

A lightweight and compact impact idler compared to conventional JIS standard products.

• Tunnel construction
• Dam construction
• Transport machinery

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

• Tunnel construction
• Dam construction
• Transport machinery

Roller used in Garland Carrier Idler (GC type)

• Tunnel construction
• Dam construction
• Transport machinery

Roller used in Garland Carrier Idler (GC type)

• 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

Roller used for V Link Return Idler (JVR type)

• Tunnel construction
• Dam construction
• Transport machinery

A return roller that reduces the dropping of attached materials from the belt (material fall) using multiple rubber rings.

• Tunnel construction
• Dam construction
• Transport machinery

A lightweight and compact flat carrier idler compared to conventional JIS standard products.

• Tunnel construction
• Dam construction
• Transport machinery

Carrier idler used for flat transport.

• Tunnel construction
• Dam construction
• Transport machinery

Laura two-tank type carrier idler

• Tunnel construction
• Dam construction
• Transport machinery

Impact idler with conventional type stand specifications.

• Tunnel construction
• Dam construction
• Transport machinery

Conventional type bracket specification for ore drop prevention return idler.

• Tunnel construction
• Dam construction
• Transport machinery

Automatic centering return idler arranged to press the tapered rollers from above the belt surface.

• Tunnel construction
• Dam construction
• Transport machinery

A lightweight and compact return idler compared to conventional JIS standard products.

• Tunnel construction
• Dam construction
• Transport machinery

Standard carrier idler with conventional type stand specifications.

• Tunnel construction
• Dam construction
• Transport machinery

A lightweight and compact spiral return idler compared to conventional JIS standard products.

• Tunnel construction
• Dam construction
• Transport machinery

Two-chambered serpentine return idler for countermeasures.

• Tunnel construction
• Dam construction
• Transport machinery

Steel pipe rollers made to the most commonly used JIS standards.

• Tunnel construction
• Dam construction
• Transport machinery

Roller used for the YC type carrier idler of the trough type.

• Tunnel construction
• Dam construction
• Transport machinery

Roller used for flat carrier idler (JFC type)

• Tunnel construction
• Dam construction
• Transport machinery

A roller with a hollow type impact rubber that mitigates the drop impact of transported items.

• Tunnel construction
• Dam construction
• Transport machinery

Center roller for taper type automatic centering carrier idler.

• Tunnel construction
• Dam construction
• Transport machinery

Roller with a surface coated with soft rubber (smart rubber) of hardness 32° t5 for adhesion prevention measures.

• Tunnel construction
• Dam construction
• Transport machinery

Safe and highly reliable JRC pulleys through thorough strength calculations.

• Tunnel construction
• Dam construction
• Transport machinery

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

• Tunnel construction
• Dam construction
• Transport machinery

A roller with a groove-shaped impact rubber that mitigates the drop impact of transported items.

• Tunnel construction
• Dam construction
• Transport machinery

A roller that mitigates the impact of falling objects during flat transport.

• Tunnel construction
• Dam construction
• Transport machinery

Rollers with different diameters on the left and right used for snake prevention measures.

• Tunnel construction
• Dam construction
• Transport machinery

Custom rollers with non-standard dimensions.

• Tunnel construction
• Dam construction
• Transport machinery

Short rollers used in steep incline conveyors.

• 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

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

• Tunnel construction
• Dam construction
• Transport machinery

Various guide idlers that suppress wavering and misalignment by holding down the belt's ear section.

• Tunnel construction
• Dam construction
• Transport machinery

A roller with a surface coated with soft rubber (smart rubber) with a hardness of 32° Shore A for adhesion prevention.

• Tunnel construction
• Dam construction
• Transport machinery

Rollers with different diameters on the left and right used for snake prevention measures.

• Tunnel construction
• Dam construction
• Transport machinery

A type pressed return idler side roller

• Tunnel construction
• Dam construction
• Transport machinery

Guide idler that powerfully adjusts meandering with thrust from three drum-shaped guide rollers.

• Tunnel construction
• Dam construction
• Transport machinery

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

• Tunnel construction
• Dam construction
• Transport machinery