To eliminate washing operation by making disposal of waste substance easy by a method wherein in a resin tank accompanied by a high viscosity such as that of a resin composition of FRP and synthetic marble and its defoaming operation, a vinyl bag is fixed by bonding to an inner surface of a tank main body, and embroiling of the vinyl bag is prevented from occurring in stirring for blending.
The resin tank has a tank main body 1 for manufacturing a resin composition 2 by blending a filler and additively additives such as an internal release agent, a curing agent or the like to a thermosetting resin. In this case, a vinyl body 7 is fitted by bonding to an inner face of the tank body 1, and when defoaming is executed by reducing a pressure in the tank main body 1, a degree of evacuation between the vinyl body 7 and the tank main body 1 is set higher than a degree of evacuation for defoaming.
YAMAGUCHI SHINJI
TAWARA YOSHIAKI
IKEJIMA NAOAKI
SUZUKI MASAHIKO
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