Patent ID: 7217384

Claim:
A runner-less molding method capable of molding products continuously for thermosetting resins and rubbers which are kept in an uncured or unvulcanized fluid material at a lower temperature comprising the steps of: supplying a supplied fluid material into a movable runner bush; moving said movable runner bush in a cylindrical temperature controlling bush so as to contact a gate of a cavity for bringing said gate in an open state; moving a valve pin forward for bringing said gate in a closed state immediately after pouring the fluid material in said movable runner bush into said cavity; moving said movable runner bush apart from said gate so as to form a heat insulating gap in said temperature controlling bush as said gate being kept in the closed state; heating said cavity for curing or vulcanizing the fluid material therein; taking out cured or vulcanized fluid material as a molded product; moving said valve pin backward for bringing said gate in an open state while taking out the molded product so as to return to the first step; and performing the above-mentioned steps repeatedly.