全国パラボラ工法協会 Company Profile

A new method for maintaining and repairing manhole covers through circular ball cutting.

Our association is implementing a parabolic method that involves attaching a spherical diamond blade to a circular cutting pavement cutter, allowing it to rotate 360 degrees to cut the surface into a circular shape on iron covers, and performing maintenance and repair work on the iron covers using non-shrink mortar. We aim to create a situation where anyone can participate with a low initial investment, establishing a smooth construction method for the repair and replacement of all iron covers on local roads, prefectural roads, and national highways.