Patents by Inventor Peter OBERSCHELP

Peter OBERSCHELP 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).

  • Method for the production of core sand and/or molding sand for casting purposes
    Patent number: 9764377
    Abstract: The invention relates to a method for producing core sand and/or molding sand for casting purposes. A granular mineral mold base material is mixed with at least one inorganic binder and additionally an inorganic expanding additive. Water glass may be used as the binder and expandable graphite may be used as the expandable additive.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: September 19, 2017
    Assignee: S & B Industrial Minerals GmbH
    Inventors: Andreas Wolff, Bettina Vennemann, Dieter Genske, Peter Oberschelp
  • METHOD FOR THE PRODUCTION OF CORE SAND AND/OR MOLDING SAND FOR CASTING PURPOSES
    Publication number: 20160346830
    Abstract: The invention relates to a method for producing core sand and/or molding sand for casting purposes. A granular mineral mold base material is mixed with at least one inorganic binder and additionally an inorganic expanding additive. Water glass may be used as the binder and expandable graphite may be used as the expandable additive.
    Type: Application
    Filed: August 8, 2016
    Publication date: December 1, 2016
    Inventors: Andreas WOLFF, Bettina VENNEMANN, Dieter GENSKE, Peter OBERSCHELP
  • METHOD FOR THE PRODUCTION OF CORE SAND AND/OR MOLDING SAND FOR CASTING PURPOSES
    Publication number: 20150367406
    Abstract: The invention relates to a method for producing core sand and/or molding sand for casting purposes. A granular mineral mold base material is mixed with at least one inorganic binder and additionally an inorganic expanding additive. According to the invention, water glass is used as the binder and expanded graphite is used as the expanding additive.
    Type: Application
    Filed: January 3, 2014
    Publication date: December 24, 2015
    Inventors: Andreas WOLFF, Bettina VENNEMANN, Dieter GENSKE, Peter OBERSCHELP