Injection molding nozzle insert with valve member locating...

Details Injection molding nozzle insert with valve member locating... Injection molding nozzle insert with valve member locating...

B - Operations, Transporting

29

C

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

Patent

CA 2091406

Injection molding apparatus for valve gating in which the valve member extends through a locating insert mounted at the front end of the nozzle. The locating insert has a pair of spiral blades extending inwardly from an outer collar. The spiral blades have curved inner edges which encircle the valve member sufficiently to maintain the valve member in accurate alignment with the gate as it reciprocates between the open and closed positions.

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