Patents by Inventor Eckard Piech

Eckard Piech 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: 9993863
    Abstract: The present invention relates primarily to a mixture that is suitable for use in the no-bake process for producing cores and molds for the foundry industry, and a reaction mixture comprising said mixture and an acid hardener (i.e. an acid catalyst). The present invention further relates to a method of producing a mixture according to the invention and a method of producing a mold or a core. The invention also relates to a mold or a core for producing metal objects and a kit comprising a mixture according to the invention and certain acid hardeners. The invention further relates to the use of a mixture according to the invention as cold-setting binder and the use of said mixtures or reaction mixtures in a no-bake process for producing metal objects.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: June 12, 2018
    Assignee: HUTTENES-ALBERTUS CHEMISCHE WERKE GMBH
    Inventors: Christian Fourberg, Gérard Ladégourdie, Norbert Benz, Eckard Piech
  • Publication number: 20140048740
    Abstract: The present invention relates primarily to a mixture that is suitable for use in the no-bake process for producing cores and moulds for the foundry industry, and a reaction mixture comprising said mixture and an acid hardener (i.e. an acid catalyst). The present invention further relates to a method of producing a mixture according to the invention and a method of producing a mould or a core. The invention also relates to a mould or a core for producing metal objects and a kit comprising a mixture according to the invention and certain acid hardeners. The invention further relates to the use of a mixture according to the invention as cold-setting binder and the use of said mixtures or reaction mixtures in a no-bake process for producing metal objects.
    Type: Application
    Filed: December 16, 2011
    Publication date: February 20, 2014
    Applicant: HUETTENES-ALBERTUS CHEMISCHE WERKE GMBH
    Inventors: Christian Fourberg, Gérard Ladégourdie, Norbert Benz, Eckard Piech