B - Operations – Transporting – 21 – G
Patent
B - Operations, Transporting
21
G
B21G 1/12 (2006.01) B21G 1/00 (2006.01)
Patent
CA 2131481
ABSTRACT OF THE DISCLOSURE An apparatus having a frame; a shuttle member, adapted to receive and hold a needle blank, and movably mounted to the frame; a clamp member detachably mounted on the frame for supplying the needle blank to the shuttle member; a transfer mechanism mounted on the frame for facilitating the transfer of the needle blank from the clamp member to the shuttle member; a press mechanism for imparting first flat surfaces to first opposing sides of the needle blank held by the shuttle member; a mandrel mounted on the frame for imparting an arcuate profile to the needle blank; a transport mechanism for transporting the needle blank from the shuttle member to the mandrel; and a needle side press for imparting second flat surfaces to second opposing sides of the needle blank, wherein the second flat surfaces are imparted substantially perpendicular to the first flat surface. A method of forming a curved, rectangular bodied needle from a substantially round- elongated needle blank is also disclosed and comprises the steps of: transferring a needle blank from a clamp to a holding shuttle having die surfaces on needle engaging faces thereof; flat pressing first opposing sides of the needle blanks between die surfaces: transporting the needle blanks from the shuttle onto a rotatable mandrel; curving the needle blanks between the rotatable mandrel and a reciprocable belt; rotating the needle blanks about said mandrel and adjacent side press dies and depositing the needle blanks therebetween; and side pressing second opposing sides of the needle blanks between side press dies, the second opposing sides of the needle blanks being substantially perpendicular to the first flat pressed opposing sides.
Bogart Michael W.
Smith Richard J.
Mcfadden Fincham
United States Surgical Corporation
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