Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Feed control of material en route to shaping area
Patent
1995-03-27
1996-07-02
Heitbrink, Tim
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Feed control of material en route to shaping area
2643289, 425146, 425564, 425566, B29C 4523
Patent
active
055315810
ABSTRACT:
An injection molding apparatus particularly usable for low pressure structural foam molding with improved control device for providing adjustment and controlling relative positioning between the injection molding apparatus and the mold. A novel device is included for adjusting the nozzle body with respect to the injection molding apparatus and for adjusting the nozzle rod with respect to the nozzle body. An improved device is also included for facilitating adjustment of injection stroke length and of the position of the nozzle body as well as automatic adjustment of positioning of limit switches responsive to indicate the extremes of movement during the cyclical injection stroke. Automatic and manual devices are also included for maintaining alignment between the nozzle rod and the nozzle body extending therearound.
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