| 摘要 |
A mold for molding a thermoplastic resin comprising a pair of a male mold and a female mold in that a molten mass of a thermoplastic resin is supplied into a molding cavity formed by the male and female molds through a conduit for a resin melt, and after the completion of the supply of the resin, the supplied resin is shaped while shutting off the conduit for a resin melt with a pin for opening and closing the conduit for a resin melt, in which the conduit has a through-mouth of a nozzle, and a warmed conduit connected with the upstream side of the through-mouth, and the mold has a movable pin for opening and closing the conduit for a resin melt, the first heater to heat the wall of the conduit for a resin melt, and the second heater to heat the through-mouth.
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