Patents by Inventor William Todd Simms

William Todd Simms has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Lamellar extrusion die apparatus and method
    Patent number: 7033154
    Abstract: 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.
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: April 25, 2006
    Assignee: Nordson Corporation
    Inventors: Martin A. Allen, William Todd Simms, Matthew Duane Thompson
  • Lamellar meltblowing die apparatus and method
    Patent number: 7033153
    Abstract: 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 the heated liquid. At least two of the side faces confront each other and have an air passage positioned therebetween for transferring the air. 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 and the air passage for discharging the heated liquid as multiple filaments and for discharging the air at the filaments.
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: April 25, 2006
    Assignee: Nordson Corporation
    Inventors: Martin A. Allen, William Todd Simms, Matthew Duane Thompson