Mold runner for prevention of in-mold coating flow

Details Mold runner for prevention of in-mold coating flow Mold runner for prevention of in-mold coating flow

2005-04-26

2005-04-26

Heitbrink, Jill L. (Department: 1732)

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

C425S573000

Reexamination Certificate

active

06884056

ABSTRACT:
A mold runner for a runner or sprue type injection molding apparatus. The mold runner allows the passage of a substrate material from an injection source into a mold cavity and contains a containment shroud which utilizes the relative incompressibility of the substrate material in the containment shroud which prevents an in-mold coating, which is injected into the mold cavity in a subsequent step, from flowing into the injection substrate source thereby contaminating the same.

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