runnerless

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

浇口形式的模具或无流道模具中也用到另一种形式主流道。

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

论述了无流道固塑料注射成型的方法、工艺、设备和模具设计方面的问题。