Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With accumulator – trap chamber – or serially arranged valves...
Patent
1986-06-23
1988-07-12
Nozick, Bernard
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With accumulator, trap chamber, or serially arranged valves...
425559, 425562, 425565, 425566, 425575, A23P 100
Patent
active
047566833
ABSTRACT:
The device for pressure-aided molding of shaped bodies formed from high-molecular masses, preferably of small dimension, comprises at least one preparation chamber having at least one plasticizing or transport and mixing screw conveyor and at least one charging port for filling the preparation chamber with preferably thermally plasticizable and possibly molecularly cross-linkable molding mass. The preparation chamber flow communicates with a pressure-tight transition with at least one storage chamber for plasticized polymer. The storage chamber opens into at least one mold cavity filling conduit for charging a mold with molding mass. The device also comprises a drive mechanism for translatory-relative motion of the preparation chamber and the mold cavity filling conduit. The preparation chamber has at least one prolongation. The storage chamber is arranged forwardly of the prolongation in the transport direction of the plasticizing or transport and mixing screw conveyor and exhibits an inner wall with mutually substantially parallel generatrices. At least one mold injection nozzle is slidingly, sealingly, substantially translatably moveable within the storage chamber. The mold injection nozzle comprises at least a portion of the injection molding channel connectable to the mold and is substantially translatably moveable relative to the preparation chamber by means of the drive mechanism.
REFERENCES:
patent: 3813014 (1974-05-01), Guevin
patent: 4422842 (1983-12-01), Monnet
patent: 4427353 (1984-01-01), Omiya et al.
patent: 4557683 (1985-12-01), Meeker
Kleeman Werner W.
Nozick Bernard
Vereinigte Edelstahlwerke Aktiengesellschaft (VEW)
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