A modified form of sprue gate is also used on underfeed moulds and runnerless moulds.

在口式模具或无流道模具中也用到另一种式主流道。

The molding method,process,and the equipment of thermoset runnerless injection molding have been discussed in this paper.

论述了无流道热固性塑料注射成型法、工艺、设备和模具设计面问题。