Side mounted manifold block for variable orientation of injectio

Details Side mounted manifold block for variable orientation of injectio Side mounted manifold block for variable orientation of injectio

1986-12-15

1987-10-27

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

2643288, 26432815, 425549, 425564, 425568, 425570, 425571, 425573, B29C 4522

Patent

active

047026898

ABSTRACT:
This invention relates to a valve gated injection molding system in which melt flows through an elongated manifold to a number of spaced nozzles to fill a single non-linear cavity. Each nozzle is mounted against a manifold offset block which is bolted to the side of the manifold. Pressurized melt from the manifold flows through a melt duct in each manifold block and through the central bore of the respective nozzle to a gate into the cavity. Actuating mechanism is mounted to reciprocate a valve pin extending through each manifold block and nozzle. Each manifold offset block can be mounted with a different orientation on the side of the manifold to properly space the gates along the non-linear cavity to ensure it completely fills as quickly as possible. Slight lateral movement of each manifold block relative to the manifold is permitted to avoid melt leakage due to misalignment of the nozzles as a result of thermal expansion of the manifold.

REFERENCES:
patent: 3671159 (1972-06-01), Greenberg et al.
patent: 4276014 (1981-06-01), Aoki
patent: 4468191 (1984-08-01), Gellert
patent: 4579520 (1986-04-01), Gellert
patent: 4599064 (1986-07-01), Landis et al.

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