| 摘要 |
A method of preparing a disappearing model comprising the steps of forming in a mold a film-like molded hollow body of which the inner portion has substantially the same shape as a hollow portion of a predetermined contour. A disappearing model is prepared around said film-like molded body wherein said disappearing model is divided into a plurality of disappearing model elements. Furthermore, said film-like molded body is placed into said plurality of disappearing model elements to serve as a core when said plurality of disappearing model elements is bonded and fixed together into clamping auxiliary molds with an adhesive. <IMAGE> |
