Patents by Inventor Bill Corcoran

Bill Corcoran 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).

  • Publication number: 20060204753
    Abstract: A method for stretch breaking fibers to produce a staple yarn and operating a staple fiber spinning machine that enables the production of a plurality of products of lot size smaller than a large denier tow product. The process includes at least two break zones and a consolidation zone downstream from a second break zone to form a staple yarn. The filaments are broken in a second break zone downstream from the first break zone by increasing the speed of the fiber fed into the process. The yarn includes discontinuous and, optionally, continuous filaments.
    Type: Application
    Filed: May 15, 2006
    Publication date: September 14, 2006
    Inventors: Glen Simmonds, Bill Corcoran, Bill Walker
  • Patent number: 7083853
    Abstract: A method for stretch breaking fibers to produce a staple yarn and operating a staple fiber spinning machine that enables the production of a plurality of products of lot size smaller than a large denier tow product. The process includes at least two break zones and a consolidation zone downstream from a second break zone to form a staple yarn. The filaments are broken in a second break zone downstream from the first break zone by increasing the speed of the fiber fed into the process. The yarn includes discontinuous and, optionally, continuous filaments.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: August 1, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Glen Simmonds, Bill Corcoran, Bill Walker