ApplicationNo. 058851 filed on 04/13/1998
US Classes:408/59, Conducting channel extending to end of tool408/222, Extending outwardly from tool-axis470/198Tap
ExaminersPrimary: Howell, Daniel W.
Attorney, Agent or Firm
Foreign Patent References
International ClassesB23B 051/06
Foreign Application Priority Data1997-04-11 SE
AbstractA thread-producing tool for producing an internal thread includes a body forming a rear shank portion and a front cutting portion. Provided in the body is a lubricant storage chamber for storing liquid lubricant which is driven toward the cutting portion through discharge passages under the action of centrifugal force during a thread-cutting operation.