Method and apparatus for extrusion

Details Method and apparatus for extrusion Method and apparatus for extrusion

B - Operations, Transporting

29

C

18/736

B29C 47/12 (2006.01) B29C 47/00 (2006.01)

Patent

CA 2003457

ABSTRACT OF THE DISCLOSURE METHOD AND APPARATUS FOR EXTRUSION An improved method for carrying out an extrusion is provided, wherein an extrusion material in a flowable state is passed through a die under a pressure to impart a desired shape thereto, and comprises carrying out the extrusion while the die is resonated by an ultrasonic wave in such a manner that the resonance occurs at an n wavelength, wherein n is m/2 and m is a positive integer. Further, an apparatus suitable for carrying out this extrusion method is provided.

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