Patents by Inventor Harald SCHWICKAL

Harald SCHWICKAL 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 regenerating the sand of sand molds and sand cores
    Patent number: 8985184
    Abstract: For regenerating the sand, which is obtained from sand molds and/or sand cores, which are produced from the sand and soluble glass as a binder and are used in metal casting, the sand obtained from the sand molds and/or sand cores is subjected to a mechanical regeneration stage and a thermal regeneration stage. During or after the mechanical regeneration stage, the obtained sand is mixed with a hardener for soluble glass.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: March 24, 2015
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Harald Schwickal, Matthias Huebner
  • Method for Regenerating the Sand of Sand Molds and Sand Cores
    Publication number: 20140166226
    Abstract: For regenerating the sand, which is obtained from sand molds and/or sand cores, which are produced from the sand and soluble glass as a binder and are used in metal casting, the sand obtained from the sand molds and/or sand cores is subjected to a mechanical regeneration stage and a thermal regeneration stage. During or after the mechanical regeneration stage, the obtained sand is mixed with a hardener for soluble glass.
    Type: Application
    Filed: February 24, 2014
    Publication date: June 19, 2014
    Applicant: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Harald SCHWICKAL, Matthias HUEBNER