PURPOSE: To set efficiently in a short time and use repeatedly by vacuum packing a silicone rubber sheet molded into the shape of covering a body to be molded preliminarily.
CONSTITUTION: A body 3 to be molded is placed on a platen 5 in the printed- wiring board vacuum press molding method, and a sheet 1 for vacuum packing covered and sealed through a non-woven cloth 2 is a silicone rubber sheet 1 solid molded into the shape of a body 3 to be molded perliminarily. Said sheet 1 is kept in the firmly press bonded state on seal components 6 on the peripheral ends of the platen 5, and air is exhausted out of an air outlet 7 on the center of the platen, and the body 3 to be molded is vacuum packed. The shape of the sheet is restored to the original after molding and can be used for molding repeatedly.
OCHIAI NOBUYUKI
TAKEGAWA KANJI
