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

在点浇口形式的模具或无流道模具中也一种形式流道。

After curing, the tire is without bubble and underfeeding and the tread pattern is clear.

固化后的胎花纹清晰,无气泡和缺料。

The grooved head of the sprue puller creates an effective undercut which is used to pull the sprue, or secondary sprues in underfeed designs.

流道拉料杆头部的凹槽形成了一个有效的底切，可以来拉出流道或者是下进料设计中的二级流道。