Patents by Inventor Michael Charles Davis

Michael Charles Davis 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).

  • Spinneret with slotted outlet
    Patent number: 5788993
    Abstract: A flash spin pack for a flash-spinning apparatus is provided in which the pack includes a spin mixture inlet, that communicates with a spin mixture passage, that discharges through a spinning orifice that opens into a slot defined by two opposing faces of the body of the spin pack. The slot is 0.25 mm to 7 mm wide proximate the spinning orifice outlet, 0.25 mm to 10 mm at the slot outlet, and the distance from the orifice outlet to the slot outlet is 1.5 mm to 40 mm. The spin pack may have five or more spinning orifices that each discharge into a different slot so configured.
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: August 4, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Michael Allen Bryner, Don M. Coates, Michael Charles Davis, Tom Edward Estep, Ralph A. Franke, Larry Ray Marshall, Subhra K. Nath, Charles Wesley Starke, Sr.