RIB – CONE users are naturally among the First to use KUE – KEN balanced crushers. It is only natural that users of Rib-cone mills and other Straub equipments are among the first to take advantages of the money saving features of the KUE-KEN Crushers. They know by their own profitable experience that our claims are more than duplicated in the field. KUE-KEN crushers operate on an entirely new principle. They take large rocks and crush them very fine in a single pass. Fine feeds give greatest mill capacity and lowest milling costs.