Patents by Inventor Ernst Topf

Ernst Topf 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).

  • Drilling device provided with a multi-bladed drilling tool, especially a deep drilling tool
    Patent number: 7476066
    Abstract: The invention relates to a multi-bladed deep drilling tool (17) comprising a cooling lubricant channel (19, 20) provided for each chip space (74) allocated to each cutter (71). Said channels (19,20) are supplied with a lubricant independently from each other, by means of either jointly drives or separately drives lubricating pumps (25, 26). Said channels being associated with either the drilling devise (11) or integrated into an adapter (30) which is pivoted with a common flow of lubricant, but which supplies independent individual flows. Lubrication of the individual cutting zones is guaranteed even if the chip removal channel is blocked, by chips for example. The pressure of the cooling lubricant channel increases in said area whereupon the channel in question is cleared.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: January 13, 2009
    Assignee: TBT Tiefbohrtechnik GmbH + Co.
    Inventor: Ernst Topf
  • Drilling device provided with a multi-bladed drilling tool, especially a deep drilling tool
    Publication number: 20050163578
    Abstract: The invention relates to a multi-bladed deep drilling tool (17) comprising a cooling lubricant channel (19, 20) provided for each chip space (74) allocated to each cutter (71). Said channels (19,20) are supplied with a lubricant independently from each other, by means of either jointly drives or separately drives lubricating pumps (25, 26). Said channels being associated with either the drilling devise (11) or integrated into an adapter (30) which is pivoted with a common flow of lubricant, but which supplies independent individual flows. Lubrication of the individual cutting zones is guaranteed even if the chip removal channel is blocked, by chips for example. The pressure of the cooling lubricant channel increases in said area whereupon the channel in question is cleared.
    Type: Application
    Filed: April 2, 2003
    Publication date: July 28, 2005
    Applicant: TBT Tiefbohrtechnik GmbH + Co
    Inventor: Ernst Topf