| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin molding apparatus capable of extruding a molding resin housed in a pot by a plunger to mold the same in such a state that the extrusion pressure of the molding resin by the plunger is stabilized even if molding is repeated. SOLUTION: In a resin molding apparatus wherein a pot 1 capable of housing a molding resin and the cylindrical plunger 2 provided in the pot 1 in a freely slidable manner are provided and the molding resin housed in the pot 1 is extruded by the plunger 2 to be supplied into a mold to be molded, a ring-shaped packing 5 is provided on the outer peripheral surface 4 of the plunger 1 opposed to the inner wall surface of the pot 1 to keep the width of the clearance part 7 between the inner wall surface 3 of the pot 1 and the outer peripheral surface 4 of the plunger 2 constant and an air discharge port 8 for discharging the air in the pot 1 to the outside when the molding resin is extruded by the plunger 2 and the air discharge passage 9 communicating with the air discharge port 8 are formed.
|
