A lamellar die apparatus for extruding a heated liquid into filaments and directing air at the 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...http://www.google.es/patents/US7033153?utm_source=gb-gplus-sharePatente US7033153 - Lamellar meltblowing die apparatus and method