Non-naturally balanced feed system for an injection molding apparatus
AssigneeImflux Inc.
InventorsGene Michael Altonen, Ralph Edwin Neufarth, Gary Francis Schiller, Charles John Berg, Jr.
Life of this patent
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Abstract
A low constant pressure injection molding machine forms molded parts by injecting molten thermoplastic material into a mold cavity at low constant pressures of 6,000 psi and lower. As a result, the low constant pressure injection molding machine includes a mold formed of easily machineable material that is less costly and faster to manufacture than typical injection molds.
Claims12
A non-naturally balanced feed system for an injection mold of an injection molding apparatus, the injection mold having a plurality of mold cavities, the plurality of mold cavities receiving molten plastic at a substantially constant viscosity, the non-naturally balanced feed system comprising:
- wherein the feed system maintains a balance of 90% or greater;
- a hot runner having a first feed channel that terminates at a first mold cavity in the plurality of mold cavities and a second feed channel that terminates at a second mold cavity in the plurality of mold cavities;
- a gate for receiving molten plastic, the gate being in fluid communication with one of the first and second feed channels;
- and
- wherein a temperature of molten plastic flowing through the first feed channel is different than a temperature of molten plastic flowing through the second feed channel.
Dependencies are inferred from the claim text.