Modular injection mold and manifold arrangement

Details Modular injection mold and manifold arrangement Modular injection mold and manifold arrangement

2011-01-04

2011-01-04

Ewald, Maria Veronica D (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

C425S234000, C425S572000, C425S588000, C425S564000

Reexamination Certificate

active

07862321

ABSTRACT:
A molding arrangement is provided for multi-level stack molds wherein mold sets and runners are made up of modular sections interchangeable individually or as larger assemblies for exchanging molds for one part for those for different parts or exchanging runners between hot tip and valve gate designs to accommodate different molding arrangements. The arrangement has discrete melt paths for each mold level, at least some of which extend around rather than through the mold levels and which incorporate readily separable connectors. This enables one set of molds and possibly as well the runners for one mold level to be interchanged without interfering with the mold and runner arrangement for an adjacent level.

REFERENCES:
patent: 4416604 (1983-11-01), Bender et al.
patent: 5846472 (1998-12-01), Rozema et al.

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