Patents by Inventor Nigel Austin Stone

Nigel Austin Stone 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).

  • Patent number: 9468960
    Abstract: Extrusion of feed materials of a high temperature formable non-ferrous metal susceptible to embrittlement during air processing uses an extrusion system having a rotatable wheel and shoe covering part of the length of a groove around the periphery of the wheel to form an arcuate passageway, the shoe having an abutment which substantially closes a second end of the passageway and an extrusion die spaced from the abutment by a die chamber. The process includes pre-heating the feed material to not less than about 390° C. in a chamber defined by a feeder device, maintaining a protective atmosphere in the chamber of the feeder device while the feed material is heated. The pre-heated feed material then is passed to an inlet end of the passageway, and drawn along the passageway, to be forced by the abutment into the die chamber and through an extrusion orifice of the die to provide extruded product.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: October 18, 2016
    Assignee: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
    Inventors: Robert Simon Wilson, Merchant Yousuff, Nigel Austin Stone, David James Bell Ritchie, Gersende Marie Delphine Cantin, Mark Antony Gibson, Ian Curtis Thomas
  • Patent number: 8790572
    Abstract: Titanium flat product is produced by passing a titanium powder green flat material through a pre-heating station and heated under a protective atmosphere to a temperature at least sufficient for hot rolling. The pre-heated flat material then is passed through a rolling station while still under a protective atmosphere and hot rolled to produce a hot rolled flat product of a required level of hot densification. The hot rolled flat product is passed through a cooling station while still under a protective atmosphere, and cooled to a temperature at which it can be passed out of a protective atmosphere. In the process, the hot rolling provides the predominant hot densification mechanism involved.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: July 29, 2014
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Nigel Austin Stone, Robert Wilson, Merchant Yousuff, Mark Gibson
  • Publication number: 20140000332
    Abstract: Extrusion of feed materials of a high temperature formable non-ferrous metal susceptible to embrittlement during air processing uses an extrusion system having a rotatable wheel and shoe covering part of the length of a groove around the periphery of the wheel to form an arcuate passageway, the shoe having an abutment which substantially closes a second end of the passageway and an extrusion die spaced from the abutment by a die chamber. The process includes pre-heating the feed material to not less than about 390° C. in a chamber defined by a feeder device, maintaining a protective atmosphere in the chamber of the feeder device while the feed material is heated. The pre-heated feed material then is passed to an inlet end of the passageway, and drawn along the passageway, to be forced by the abutment into the die chamber and through an extrusion orifice of the die to provide extruded product.
    Type: Application
    Filed: March 7, 2012
    Publication date: January 2, 2014
    Applicant: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Robert Simon Wilson, Merchant Yousuff, Nigel Austin Stone, David James Bell Ritchie, Gersende Marie Delphine Cantin, Mark Antony Gibson, Ian Curtis Thomas
  • Publication number: 20100183470
    Abstract: Titanium flat product is produced by passing a titanium powder green flat material through a pre-heating station and heated under a protective atmosphere to a temperature at least sufficient for hot rolling. The pre-heated flat material then is passed through a rolling station while still under a protective atmosphere and hot rolled to produce a hot rolled flat product of a required level of hot densification. The hot rolled flat product is passed through a cooling station while still under a protective atmosphere, and cooled to a temperature at which it can be passed out of a protective atmosphere. In the process, the hot rolling provides the predominant hot densification mechanism involved.
    Type: Application
    Filed: April 4, 2008
    Publication date: July 22, 2010
    Inventors: Nigel Austin Stone, Robert Wilson, Merchant Yousuff, Mark Gibson