Waterproof structure for combination weighing device

A waterproof structure for a combination weighing apparatus, the combination weighing apparatus, comprising:

• a center base substrate having a plurality of openings;
• a plurality of hoppers;
• and
• a plurality of driver units each having a cabinet, the plurality of hoppers being each attachable to a respective one of the plurality of driver units,
• the cabinets of the plurality of driver units being mountable to the plurality of openings of the center base substrate in a manner that the plurality of openings are closable with the cabinets,
• the plurality of driver units being allowed to open and close the gates of the plurality of hoppers,
• the cabinets of the plurality of driver units each comprising a unit case, a cover case, and a packing member,
• the unit cases each comprising a metallic material and having an opening formed correspondingly to a respective one of the plurality of openings of the center base substrate,
• the cover cases each comprising a metallic material and serving to cover the unit case,
• the packing members each comprising an elastic sealing material and being held between the unit case and the cover case so as to cover an outer circumferential surface of the unit case.