Injection molding nozzle wedge seal

Details Injection molding nozzle wedge seal Injection molding nozzle wedge seal

2011-04-05

2011-04-05

Heitbrink, Tim (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to heat or cool

C264S328150

Reexamination Certificate

active

07918663

ABSTRACT:
An injection molding apparatus includes an injection molding nozzle having a nozzle body defining a channel for flow of molding material and a nozzle tip coupled to the nozzle body. The nozzle tip is shaped to define a converging gap with a mold component into which the nozzle tip is inserted during use. A seal piece having a wedge or wedge-like portion is disposed between the nozzle tip and the mold component Pressure of molding material acting on a surface of the wedge portion wedges the wedge portion into the converging gap.

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