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  6. Experience it through video! The importance of overhead cranes *Patent obtained.

Experience it through video! The importance of overhead cranes *Patent obtained.

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last updated:Jun 03, 2025

今井鉄工所 本社
今井鉄工所 本社
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【Experimental video now available!】By reinforcing the fittings, we prevent the derailment and sudden drop of ceiling cranes and running rails due to earthquakes and other factors. Are you prepared for the unexpected?

Ceiling cranes are essential equipment used in various manufacturing industries, including automobile and railway factories, for transporting heavy loads. However, in recent years, numerous accidents have occurred on-site due to massive earthquakes, such as the following: 1. Derailment caused by bouncing or lifting, resulting in the ceiling crane falling. 2. Falling of the running rail due to insufficient strength of the fixing hardware. As a result, there have been cases where employees were trapped under the rails, and the resumption of factory operations was significantly delayed, leading to substantial impacts on both safety and the economy. By introducing the following products, we can prevent derailment and instantaneous falling of ceiling cranes due to earthquakes. *Patent obtained. 'Crane Gripper' By integrating the saddle and gripper, it maintains a state of gripping the rail, making it physically difficult to detach. 'Rail Keeper' It has greater strength than conventional hook bolts, reducing the risk of the crane falling along with the rail. *You can also view experimental materials from the PDF download. Please feel free to contact us.

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2018-05-08_11h50_35.png

Experience it through video! The importance of overhead cranes *Patent obtained.

2018-05-08_11h50_35.png
2018-05-08_11h50_35.png
  • Related Link - http://imaitekkosho.co.jp/publics/index/13/
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basic information

In the Kumamoto earthquake of 2016, there were companies that were able to start operations because their overhead cranes were unharmed after the disaster. 【Basic Structure】 ■ Integration of saddle and gripper. ■ Maintains a gripping state while ensuring a certain gap with the rail. ■ Slides along the running rail, achieving a structure that is physically difficult to disengage in order to maintain the gripping state on the rail. *For more details, please download the catalog or feel free to contact us.

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Sales results are approximately 2,900 units, with achievements nationwide. *For more details, please download the catalog or feel free to contact us.

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[Information] Introduction to measures against derailment and falling in overhead cranes.

[Information] Introduction to measures against derailment and falling in overhead cranes.

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Rail Keeper for fixing running rails

Rail Keeper for fixing running rails

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Introduction of the "Crane Gripper" proposal.

Introduction of the "Crane Gripper" proposal.

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[Information] Proposal for Rail Keeper

[Information] Proposal for Rail Keeper

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Earthquake measures for overhead cranes: "Crane Gripper"

Earthquake measures for overhead cranes: "Crane Gripper"

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今井鉄工所

今井鉄工所 本社

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Imai Iron Works Co., Ltd. is a company primarily engaged in the design, manufacturing, maintenance, and inspection of hoist cranes. Since its establishment, we have continued research and development and have become one of the few labor bureau-approved factories for hoist cranes in the prefecture. Additionally, we also design and manufacture various pressure vessels. Please feel free to contact us.

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