PRECASTING FRAME AND PRECASTING PROCESS USING THIS PRECASTING FRAME

摘要

PROBLEM TO BE SOLVED: To provide a precasting process by which an odd-shaped part or a hollow shape such as a curved surface or irregularities can be precisely and simply manufactured and a precasting frame to be used in the precasting process.;SOLUTION: This precasting frame is composed of an outer frame and an inner frame, the odd-shaped part of the inner frame being formed of a heat decomposable member 2 such as a foamed resin or a pulp mold. In addition, at least a part other than the odd-shaped part of the inner frame is constituted of a water-absorbing sheet 4 such as paper. Also the precasting process using the precasting frame is provided.;COPYRIGHT: (C)2002,JPO