Patents by Inventor Francis Joseph Malone, Jr.

Francis Joseph Malone, Jr. 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).

  • High speed process for making fully-oriented nylon yarns and yarns made thereby
    Patent number: 5981006
    Abstract: A coupled spin-draw process for making a fully-oriented nylon yarn including extruding molten nylon polymer with a selected RV through a spinneret and cooling to produce a yarn. The yarn is withdrawn from the quench zone with a feed roll rotating at a speed of at least 4500 mpm. The process further includes cold drawing followed by relaxing the yarn using a steam intermingling jet and then winding up.
    Type: Grant
    Filed: March 11, 1997
    Date of Patent: November 9, 1999
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Walter John Jaegge, Francis Joseph Malone, Jr., Frank Hudson Overton, Roger Allen Ross, Ronald Edward Steele
  • High speed process for making fully-oriented nylon yarns and yarns made thereby
    Patent number: 5750215
    Abstract: A coupled spin-draw process for making a fully-oriented nylon yarn including extruding molten nylon polymer with a selected RV through a spinneret and cooling to produce a yarn. The yarn is withdrawn from the quench zone with a feed roll rotating at a speed of at least 4500 mpm. The process further includes cold drawing followed by relaxing the yarn using a steam intermingling jet and then winding up.
    Type: Grant
    Filed: March 11, 1997
    Date of Patent: May 12, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Walter John Jaegge, Francis Joseph Malone, Jr., Frank Hudson Overton, Roger Allen Ross, Ronald Edward Steele