To provide an apparatus for controlling the temperature of a polymeric material which molds the polymeric material by giving a definite pressure and a uniform shearing force to the polymeric material.
The apparatus for controlling the temperature of the polymeric material comprises a cylinder 13 connected to an extruder 11 and a mandrel 14 contained in the cylinder 13, rotating relatively to the cylinder 13 and having a concavoconvexo part formed on the outer surface with regard to a perpendicularly sectional plane in the axial direction wherein a gap 32 is formed in which the polymeric material 7 flows between the inner face of the cylinder 13 and the outer face of the mandrel 14, the gap 32 having thick regions and thin regions formed one after the other, and the concavoconvexo part having a form which is expressed by a predetermined spiral angle α that does not generate a impelling and an axially perpendicular forces in the axial direction.
COPYRIGHT: (C)2007,JPO&INPIT
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