Injection molded toy parts with runners intact ... and then the plastic travels through the sprue until it reaches the runners, which route the plastic to the openings of each of the cavities ...

Professional small-batch injection molding can be pretty expensive ... Then there’s the issue of proper runner design so that the thermo-plastic can quickly fill the mold cavity completely ...

Hot Runner Market Hot Runner Market is boosting efficiency in injection molding with faster cycle times, improved product quality, and redu ...