PURPOSE: To prevent any work from adhering to an accomodation member upon supplying and baking works and further prevent any work from being spilled out from the baking furnace and the like and dust and contamination from being produced by filling the accomodation member comprising a flammable material with works and supplying it to the baking furnace.
CONSTITUTION: A bag 2 filled with work 3 and placed on a conveyor 1 is thrown into a rotary retort furnace 4 from an introduction inlet 5 of the rotary retort furnace 4 and is advanced, rotated in the furnace, and as there is reached a temperature where the bag 2 is burned in view of the material quality thereof, the bag 2 is burned and the works 3 in the bag 2 are dispersed in the rotary retort furnace. In the situation, the works 3 are advanced and baked in the rotary retort furnace 4. The bag 2 comprises thermoplastic resin such as polypropylene or a combustible material such as a carbon cross. Hereby, the works 3 are prevented from directly making contact with supply means such as a chute and a conveyor, etc., and hence prevent clogging and overflowing from being produced. Further, adhering of dirt is also eliminated and hence contamination is also eliminated.
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