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

1994-07-05

Powell, William A.

Plastic article or earthenware shaping or treating: apparatus

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

Extrusion shaping means

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

Patent

active

053262450

ABSTRACT:
Extrusion method and apparatus in which the liquid precursor of the extruded material is forced through a die formed by two surfaces moving in opposite directions relative to one another and transversely to the direction of material flow. Immediately upon exiting this dynamic die, the extracted material is removed as a sheet or film through a take-off system. In a preferred embodiment of the invention, the first die is formed by members rotating on a common axis in opposite rotational directions.

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