Injection mechanism for injection molding machine

Details Injection mechanism for injection molding machine Injection mechanism for injection molding machine

2006-07-11

2006-07-11

Mackey, James P. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

With means to cause relative movement between mold and charger

C425S587000

Reexamination Certificate

active

07074032

ABSTRACT:
An injection mechanism for an injection molding machine includes a front plate carrying an injection cylinder. A guide rod is arranged fixedly relative to the front plate, and defines a longitudinal guiding axis. A movable plate is arranged movably relative to said front plate along said guiding axis, and carries an injection screw. A support structure is interposed between the guide rod and the movable plate, and movably supports the movable plate on the guide rod along the guiding axis. The support structure including a ball-engaging surface is provided on the guide rod and a ball-spline nut is provided in the movable plate. The ball-spline nut is engaged with the ball-engaging surface.

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XP002295281, 2000-297348, Derwent Publications Ltd., London, Great Britain, (JP2000084987).
European Patent Office Search Report.

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