Balanced runner system for injection molding apparatus

Details Balanced runner system for injection molding apparatus Balanced runner system for injection molding apparatus

1974-07-02

1976-04-20

Husar, Francis S.

Static molds

Including static filling means in contact with mold cavity

Means includes single material inlet communicating with...

425248, 425DIG229, B29F 104

Patent

active

039513750

ABSTRACT:
A balanced runner system for injection moulding apparatus is disclosed. The runner system has an inlet, a plurality of runners and five gates. One of the gates is centrally located, the remaining gates being symmetrically spaced about the centrally located gate. The runners are such that the runner system is capable of supplying molten polymer to each gate at substantially the same rate. The runner system may be used to obtain a more uniform flow of molten polymer to a mould.

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patent: 3533594 (1970-10-01), Segmuller
patent: 3661487 (1972-05-01), Susin
patent: 3669598 (1972-06-01), Tucker
patent: 3779506 (1973-12-01), Adams
patent: 3790324 (1974-02-01), Susin

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