| 摘要 |
This invention relates to a hot runner system used for an injection molding machine adapted to obtain a plurality of molded products at a time, which consists of a hot runner block (1) provided with a core-inserting bore (2) in the central portion of the interior thereof so as to extend in the axial direction thereof, a sprue (5) in the intermediate portion of a side section thereof, a required number of passages (3) in another side section thereof so as to be spaced at regular intervals and in parallel with one another and extending up to the bore (2), a sprue member (6) fitted over the sprue (5), and nozzle members (4) fitted over the passages (3); a cylindrical core member (7) having a heating means (9) at its center and inserted closely in the central portion of the hot runner block (1) so as to extend in the axial direction thereof; and a hot runner (10) which communicates the sprue (5) with the passages to which the nozzle members (4) are joined, and which is formed in the outer circumferential surface of the core member (7). |
