Mixing device for manufacturing molding
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 27, 2004
Grant Date -
N/A
app pub date -
Jul 18, 2000
filing date -
Dec 4, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for manufacturing moldings by which clear colors and patterns can be brought out without a remarkable lowering of strength. Immediately before delivery to a metal mold, outer resin material positioned on the main cylinder inner wall side is put in the molten state, and inner resin material positioned on the main screw side is controlled to be from the softening temperature to the melting temperature both inclusive to be extrusion-molded as they are. The inner wall of the main cylinder is expanded where the outer resin material is received to help the outer resin material be thrown in smoothly.
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