Patents by Inventor Conny Seppala

Conny Seppala 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 bit having a sunken button and rock drilling tool for use with such a drill bit
    Patent number: 9739095
    Abstract: A drill bit for percussive rock drilling tools includes a drill bit head having a front surface including a face surface defining a forward-most end of the drill bit head and at least one hole in the drill bit head for receiving a button. The drill bit includes at least one recess located in the face surface. The recess is larger than the hole. The hole is disposed in the recess so that an open end of the hole is disposed below the face surface. The drill bit head further includes a gauge surrounding the face surface, the recess being partially disposed in the gauge.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: August 22, 2017
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventor: Conny Seppala
  • Drill bit for a percussive hammer and shank therefore
    Patent number: 9719306
    Abstract: A bit for a percussive hammer includes an elongated shank, a head at a first end of the shank, and an array of lengthwise extending spline portions defining outwardly extending retention lugs at or toward a further end of the shank. At least a side face of at least one lug is blended into the shank of the bit.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: August 1, 2017
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Conny Seppala, Tomas Sh Jansson
  • A DRILL BIT FOR A PERCUSSIVE HAMMER AND SHANK THEREFORE
    Publication number: 20140345953
    Abstract: A bit for a percussive hammer includes an elongated shank, a head at a first end of the shank, and an array of lengthwise extending spline portions defining outwardly extending retention lugs at or toward a further end of the shank. At least a side face of at least one lug is blended into the shank of the bit.
    Type: Application
    Filed: December 7, 2012
    Publication date: November 27, 2014
    Applicant: Sandvik Intellectual Property AB
    Inventors: Conny Seppala, Tomas Sh Jansson
  • DRILL BIT HAVING A SUNKEN BUTTON AND ROCK DRILLING TOOL FOR USE WITH SUCH A DRILL BIT
    Publication number: 20140291035
    Abstract: A drill bit for percussive rock drilling tools includes a drill bit head having a front surface including a face surface defining a forward-most end of the drill bit head and at least one hole in the drill bit head for receiving a button. The drill bit includes at least one recess located in the face surface. The recess is larger than the hole. The hole is disposed in the recess so that an open end of the hole is disposed below the face surface. The drill bit head further includes a gauge surrounding the face surface, the recess being partially disposed in the gauge.
    Type: Application
    Filed: October 23, 2012
    Publication date: October 2, 2014
    Inventor: Conny Seppala