Patent ID: 8281712
Filing Date: 2012-10-09
Classification: B21F

Abstract:
1. A twist-tie catch twister apparatus for twisting together ends of a twist-tie enclosing an article which comprises; a catch twister, aligned with dual feed rollers, with the catch twister having a peripheral ring with a front side and a rear side with the ring having two identical separate kidney shaped openings within the ring each opening transitioned into a hook shape on one end forming a reciprocal oval shaped center, with each opening having a tapered twist-tie feeding radial recess on the front side tapered to the ring periphery and an opposed radial recess on the ring rear side tapered to the ring periphery, the catch twister peripheral ring having a stem with a tapered oval shape interfacing with the reciprocal oval shaped center, also the stem having an integral hollow coupling, a motor with a drive shaft, attached to, and rotating the catch twister, a hinged split ring is closed and a twist-tie material is introduced from the feed rollers into the rear side of one of openings in the catch twister, the twist-tie material enters a guide groove in the split ring and continues around the ring penetrating the front side of the catch twister through one of the openings, a twist-tie clamp, adjacent to the split ring grasps twist-tie material leaving the catch twister rear side, wherein the feed rollers reverse direction and draw the twist-tie material onto a workpiece when the motor rotates the catch twister essentially one half turn twisting sufficiently to hold tension on the workpiece, and a twist-tie cutter, positioned between the feed rollers and split ring, severs the twist-tie material and the twist-tie clamp opens with the motor rotating the catch twister a predetermined number of turns and then reverses at least one half turn to release the twisted material and the split ring opened for removal of the twist-tie secured workpiece.