The rheological properties of an extrudable material can be measured by extruding a strand of the material, measuring its diameter continuously, to give a series of diameter values, interpreting the variations in the strand diameter so as to characterize the surface of the strand, and deriving rheological...http://www.google.es/patents/US4229970?utm_source=gb-gplus-sharePatente US4229970 - Method and apparatus for measuring the rheological properties of an extrudable material
Method and apparatus for measuring the rheological properties of an ...
