Patent ID: 8464438

Claim:
A seasoning apparatus, comprising: a table having a loading surface on which a stack of paper sheets is loaded; a ceiling plate which is arranged above the loading surface to cover an upper side of the stack of paper sheets loaded on the loading surface; a front side plate and a rear side plate which are arranged to oppose to each other at a front side and a rear side of the stack of paper sheets loaded on the loading surface, at least one of the front side plate and the rear side plate being advanceable and retractable relatively to each other; a right-hand side plate and a left-hand side plate which are arranged to oppose to each other at a right-hand side and a left-hand side of the stack of paper sheets loaded on the loading surface, at least one of the right-hand side plate and the left-hand side plate being advanceable and retractable relatively to each other; and an air blowing device which blows air horizontally toward the stack of paper sheets loaded on the loading surface.