Patents Assigned to Aresi S.p.A.
  • Chisel
    Patent number: 8215415
    Abstract: A tool bit for a chisel or a hammer drill, in particular, a insertable chisel or insertable drill for power-driven drill and chisel hammers, has an insertion end, with a chisel shank or drill shank, and a chisel head or drill shank located opposite the insertion end. The diameter of the shank increases in the direction of the chisel head at least once from a first, small diameter to a second, large diameter and decreases again from this to a small diameter or forms at least one bead.
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: July 10, 2012
    Assignees: Hawera Probst GmbH, Aresi S.P.A.
    Inventors: Marco Lang, Franc Koljaka, Friedmar Dresig, Thomas Bernhardt
  • Flat chisel
    Patent number: 7363922
    Abstract: The invention relates to a flat chisel, in particular an insertion chisel for power-driven drill and chisel hammers for working stone, having a chisel head which has a main tip disposed transversely to a chisel longitudinal axis, a front and rear striking surface, and at least one side face connecting the striking faces. In this case, a side face designed as a side lip is provided.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: April 29, 2008
    Assignees: Hawera Probst GmbH, Aresi S.p.A.
    Inventors: Marco Lang, Stefano Monzani, Franc Koljaka