Apparatus for extruding materials that exhibit anisotropic prope

Details Apparatus for extruding materials that exhibit anisotropic prope Apparatus for extruding materials that exhibit anisotropic prope

1992-06-26

1994-05-17

Powell, William A.

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

Extrusion shaping means

156656, 156902, 15624425, 26417716, 4251335, A21C 300, B29C 4700, B44C 122, C23F 100

Patent

active

053122380

ABSTRACT:
Two movable die members that are situated opposed to each other in an extrusion die assembly, the axis of movement of the two die members is parallel to the longer sides of the rectangular cross-section of a throat opening of the extrusion die assembly. The members move in a reciprocating back and forward movement to impart shearing forces to the surface of the extruded material with a resultant multiaxial orientation of the molecules or fibrils.

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