Sprue puller | Article about sprue puller by The Free Dictionary
sprue puller[′sprü ‚pu̇l·ər]
A pin with a Z-shaped slot to pull the sprue out of the sprue bushing in an injection mold.
References in periodicals archive
Also, more "aggressive" sprue puller
pins are sometimes required in order to increase the pulling force.
He says the sprue-sticking problem recently was overcome with a sprue-break stage in molding and a specially designed sprue puller
on his presses.