今井鉄工所 List of Products and Services

The "Rail Keeper" is a fixture that reduces the risk of instant drop of cranes and running rails due to earthquakes and other factors. It utilizes the existing rail holes used for hook bolt installation, eliminating the need for extensive construction such as welding for installation. By improving the strength of the running rail and its attachment, damage reduction can be expected, and we propose this product as a running rail fixing fixture with strength that can replace hook bolts. 【Features】 ■ Reduces the risk of instant drop of cranes and running rails due to earthquakes and other factors ■ Can also be used as rail reinforcement ■ Utilizes the existing rail holes used for hook bolt installation ■ No need for extensive construction such as welding for installation ■ Patent number: 5290478 *For more details, please refer to the PDF document or feel free to contact us.

Imai Iron Works proposes the "Rail Keeper," which reduces the risk of instant drop of ceiling cranes and running rails due to earthquakes and other factors. This document includes the development background, specifications, installation methods, and more. [Contents] ■ Company Overview ■ What is the Rail Keeper? ■ Development Background, Specifications ■ Installation Conditions, Preliminary Survey ■ Installation Methods, Comparison with Other Methods ■ Verification of the Rail Keeper *For more details, please refer to the PDF document or feel free to contact us.