Patents by Inventor James Edwin Bradshaw

James Edwin Bradshaw 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).

  • Filament quenching apparatus
    Patent number: 3999910
    Abstract: An apparatus for producing a substantially nonturbulent stream of cooling gas for quenching a melt extruded filament, said apparatus comprising a new gas plenum chamber wherein gas diverting means turns and directs the cooling gas through the plenum chamber for passage through a diffuser, simultaneously reducing turbulence and smoothing the velocity profile of the cooling gas for passage through the diffuser. Another feature of the apparatus is its ability to supply different gas rates to the upper and lower zones of the quench cabinet.
    Type: Grant
    Filed: October 8, 1975
    Date of Patent: December 28, 1976
    Assignee: Allied Chemical Corporation
    Inventors: David Pendlebury, James Edwin Bradshaw