Patent ID: 7033153

Claim:
A lamellar die apparatus for meltblowing a heated liquid into filaments and directing air at the filaments, comprising: a plurality of plates each having opposite side faces, at least two of said side faces confronting each other and having a liquid passage positioned therebetween for transferring the heated liquid, at least two of said side faces confronting each other and having an air passage positioned therebetween for transferring the air, and at least two of said side faces confronting each other and having a heating element passage therebetween, said heating element passage being formed by respective first and second aligned recesses on different ones of said plates which abut one another, a heating element positioned within said heating element passage for heating at least two of said plates, and an extrusion die coupled with said plurality of plates and communicating with said liquid passage and said air passage for discharging the heated liquid as multiple filaments and for discharging the air at the filaments.