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

在点浇口式或无流道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射成型方法、工艺、设备和设计方面问题。