Patents by Inventor Norbert Aurin

Norbert Aurin 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).

  • Lubricant and use thereof
    Patent number: 6177386
    Abstract: The invention relates to a lubricant which can be used as a mandrel lubricant with a content of 75 to 90 wt. % of graphite and contains 1 to 10 wt. % of a phosphate. Said lubricant can also contain 1 to 4 wt % alkali silicate, 1 to 10 wt. % bentonite, 0.5 to 1 wt. % silico-phosphate and common solid lubricants. Said lubricant is preferably used as an aqueous suspension with a solid content of 20 to 40 wt. %.
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: January 23, 2001
    Assignee: Chemische Fabrik Budenheim Rudolf A. Oetker
    Inventor: Norbert Aurin
  • Graphite-free mandrel bar lubricant
    Patent number: 5895776
    Abstract: The invention concerns a lubricant for the hot forming of metals with at least one alkali metal phosphate and possibly additionally at least one phosphate of a divalent metal, which has improved lubricating properties in comparison with known high-temperature lubricants and which at the same time does not attack the workpiece and tool or attacks same to a lesser degree than known lubricants as it contains at least one additives which forms a gas upon being heated.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: April 20, 1999
    Assignee: Chemische Fabrik Budenheim Rudolf A. Oetker
    Inventors: Norbert Aurin, Thomas Roth