Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Control means responsive to product weight or dimension
Patent
1988-05-17
1989-09-05
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Control means responsive to product weight or dimension
264 401, 2641761, 425381, 425461, 425466, 425192R, B28B 1700, B29C 4716
Patent
active
048633615
ABSTRACT:
A slit nozzle for an extruder has a nozzle orifice defined by two side surface portions of the nozzle body, at least one of the side surface portions being in the form of a flexible lip portion connected to an adjusting arrangement for varying the width of the nozzle orifice. The adjusting arrangement includes at least one lever arm connected at one end to the lip portion and at its other end to a mechanical adjusting means including a screw operable to control deflection movement of the lever arm in a plane which extends transversely with respect to the side surface portions.
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Nguyen Khanh P.
Woo Jay H.
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