(under subclass 21) Machine having a cutting blade mounted in a rotating block adapted to turn about an axis through the block, such that the blade penetrates the workpiece, then, by rotation of the block, is orbited about a path to cut a circle of product away from the remaining work.
(1) Note. In most cases, the device of this subclass has means for setting the blade at varying distances from the center and may have means for setting the blade at an angle in order to cut a tapering cork or bung.
