Patents by Inventor Marios GOLTSIS

Marios GOLTSIS 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).

  • Drill and drill insert with chipbreaker protrusions
    Patent number: 10427224
    Abstract: A drill includes drill body and peripheral insert having a radial cutting edge extending generally in a direction of a radius of the drill body, and a central insert. The peripheral insert includes a rake face including a plurality of chipbreaker protrusions. A first angle measured between a line tangent to forward ends of the plurality of chipbreaker protrusions and the central axis of the drill body extending toward the shank end is an acute angle. Also a peripheral insert is disclosed.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: October 1, 2019
    Assignee: PRAMET TOOLS, S.R.O.
    Inventors: Martin Straka, Roman Reindl, Marios Goltsis, Simon Hellborg
  • DRILL AND DRILL INSERT WITH CHIPBREAKER PROTRUSIONS
    Publication number: 20170368613
    Abstract: A drill includes drill body and peripheral insert having a radial cutting edge extending generally in a direction of a radius of the drill body, and a central insert. The peripheral insert includes a rake face including a plurality of chipbreaker protrusions. A first angle measured between a line tangent to forward ends of the plurality of chipbreaker protrusions and the central axis of the drill body extending toward the shank end is an acute angle. Also a peripheral insert is disclosed.
    Type: Application
    Filed: December 9, 2015
    Publication date: December 28, 2017
    Inventors: Martin STRAKA, Roman REINDL, Marios GOLTSIS, Simon HELLBORG