Injection molding system having valve member split ring

Details Injection molding system having valve member split ring Injection molding system having valve member split ring

B - Operations, Transporting

29

C

18/709

B29C 45/23 (2006.01) B29C 45/28 (2006.01)

Patent

CA 1309819

ABSTRACT OF THE DISCLOSURE A valve gated injection molding apparatus in which the actuating force from a pivotal lever member is transmitted to an elongated valve member through a split ring. The two opposing segments of the split ring are mounted around the neck portion of the valve member when it is in the retracted position. The segments are received in a central opening in the manifold which keeps them in longitudinal engagement with the valve member as they reciprocate. The split ring has a notch which engages the inner end of the lever member. The split ring has a collar portion which extends into the nozzle bore in the forward position and determines the length of travel of the valve member between the open and closed positions.

601623

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