Lid opening and closing device by clamp

This is used as quick lid opening and closing device of large pressure-vessel. The lid is opened or closed by clamp opens and closes.

Lid opening and closing device by integration

This is used as quick lid opening and closing device of small pressure-vessel. The lid is opened or closed by rotation of the rid. Both the rid and vessel have protrusion and these are engaged each other.

Lid opening and closing device by clutch

This is the device having above two mechanisms and is used as quick lid opening and closing device of medium-sized pressure-vessel. The lid is opened or closed by the rotation of the ring with changing the position of protrusion.