| 摘要 |
PURPOSE:To reduce the energy requirement for the combustion, reduce the evolution of carbon dioxide, and prevent the evolution of sulfuric acid gas, possibility of impairing the terrestrial environment by warming of the earth, acid rain, etc., and furthermore, from the viewpoint of cost, to dispense with expensive metal molds and make the material freely moldable in various shapes inexpensively, and enable laying one pack upon another in a pile so as to simplify the handling of the packed appliances. CONSTITUTION:In the case of a packing material 9, for example, for the interspace between the upper part of a dryer vessel 2 and the dryer lid 7, use is made of a packing member 12 formed from a board-shaped material whose win body consists of a synthetic resin composed of a thermoplastic resin as the base and calcium carbonate as an additive and covered on its surfaces with a sheet of plastic resin. |
