Patent ID: 6026672
Filing Date: 2000-02-22
Classification: B21C

Abstract:
A pressure die holder assembly for holding dies during a wire drawing process, the assembly being a generally elongate cylinder in shape and comprising a cap portion and a body portion, wherein the cap portion comprises a head, a neck extending from said head, and an axially aligned bore which extends completely through the cap portion,the body portion comprises a first end, a mid portion, and a second end, an outer surface, and a longitudinal axis,the body portion comprising a first bore, the first bore having a first diameter and extending axially from said first end providing an opening within the body sized for receiving dies and for receiving the neck of the cap portion, the first bore further providing an inner surface of the body portion,the body portion comprising a second bore having a second diameter extending axially from said second end providing an opening sized to allow passage of wire from the body portion, said first and second bores in communication with each other,the body portion comprising at least one venting bore located in the mid portion of the body portion, said venting bore comprising a vent hole which extends transversely between the first bore and the outer surface of the body portion, the venting bore also comprising a channel in the outer surface of the body portion extending longitudinally from the vent hole to said second end such that said channel provides a means of fluid communication between said vent hole and said second end.