Heavy Duty Door Hinges

MSAC

Sonora’s soundproof doors are quite heavy, so naturally, the hinges (or hinges) designed for these doors are large-scale. In semi-anechoic chambers, we design substantial doors to allow for the entry and exit of automobiles. These doors can weigh hundreds of kilograms.

Moreover, for doors employing a “flat sill structure” without floor thresholds, the hinges not only facilitate opening and closing but also enable “a certain special operation,” for which we design and manufacture hinges in-house.

The orange-colored item in the photo is our original hinge.
Although we are primarily an acoustic equipment manufacturer, we create a variety of products…