Apparatus for manufacturing a composite product

Details Apparatus for manufacturing a composite product Apparatus for manufacturing a composite product

B - Operations, Transporting

29

C

B29C 45/17 (2006.01) B29C 45/16 (2006.01) B29C 45/18 (2006.01) B29C 45/67 (2006.01) B29C 45/76 (2006.01)

Patent

CA 2134427

An apparatus for injection molding plastics material comprises an injection unit for delivering a plasticized melt through a nozzle, a press unit for urging a mold together at a predetermined pressure, a mold mounted in the press unit and a programmable controller operably connected to the injection unit and the press unit for automatically controlling the operation of the apparatus for repetitively producing uniform articles. The mold comprises a stationary mold section and a movevable mold section. The press unit is adapted for reciprocating the movevable mold section between an open position and a closed position. The stationary mold section has a plurality of ports at pre-selected points. Each port has a controllable gate for selectively opening and closing the ports for passing melt to a mold cavity until the melt fully occupies the mold cavity while controlling and minimizing melt lines formed when a flow of melt from one of the ports meets with a flow of melt from another of the ports.

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