A lamellar die apparatus for extruding a heated liquid into single or multiple
component filaments. The apparatus includes a plurality of plates each having opposite
side faces. At least two of the side faces confront each other and have a liquid
passage positioned therebetween for transferring the heated liquid. At least two
of the side faces confront each other and have a heating element passage therebetween.
A heating element is positioned within the heating element passage for heating
at least two of the plates. An extrusion die is coupled with the plurality of plates
and communicates with the liquid passage for discharging the heated liquid as multiple filaments.