Patents by Inventor Stefan Frejd

Stefan Frejd 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).

  • Publication number: 20200360997
    Abstract: A method for manufacturing a tool head includes forming a first and a second part from a powder composition. The first and the second parts include corresponding joining surfaces, and the parts have outer surface portions configured to form portions of a peripheral envelope surface of the tool head. The method further includes forming corresponding grooves in the corresponding joining surfaces, assembling the parts into a shape of a tool head by bringing the joining surfaces into contact to form an interface, so that each pair of corresponding grooves forms a channel extending in the interface, the channel having an inlet opening in a rear end of the tool head and an outlet opening in a front end or in the peripheral envelope surface of the tool head, and joining the assembled parts in a sintering operation to form the tool head.
    Type: Application
    Filed: November 22, 2018
    Publication date: November 19, 2020
    Inventor: Stefan FREJD
  • Patent number: 8430609
    Abstract: A tool for rotary cutting machining includes a tool body and a replaceable cutting head detachably attachable to the tool body. The cutting head has a coupling portion which is receivable in a space between two axially projecting coupling legs of the tool body. Cylindrical internal gripping surfaces are arranged in said space and designed for engagement with corresponding cylindrical external gripping surfaces of the cutting head. The gripping surfaces of the cutting head and the gripping surfaces of the tool body are dimensioned so as to prevent, by engagement with each other, the cutting head from being displaced in axial direction away from the tool body when the cutting head is attached to the tool body. A tool body and a cutting head included in such a tool are also disclosed.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: April 30, 2013
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Patent number: 8142116
    Abstract: A tool for rotary cutting machining includes a tool body and a replaceable cutting head detachably attachable to the tool body. At its front end, the tool body is provide with two coupling legs projecting in an axial direction. The respective coupling leg is provided with a stop surface for transferring torque from the tool body to the cutting head, which stop surface is designed for abutment against a corresponding stop surface of the cutting head. The respective coupling leg is provided with a shoulder protruding from the stop surface of the coupling leg.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: March 27, 2012
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Publication number: 20100021253
    Abstract: A tool for rotary cutting machining includes a tool body and a replaceable cutting head detachably attachable to the tool body. The cutting head has a coupling portion which is receivable in a space between two axially projecting coupling legs of the tool body. Cylindrical internal gripping surfaces are arranged in said space and designed for engagement with corresponding cylindrical external gripping surfaces of the cutting head. The gripping surfaces of the cutting head and the gripping surfaces of the tool body are dimensioned so as to prevent, by engagement with each other, the cutting head from being displaced in axial direction away from the tool body when the cutting head is attached to the tool body. A tool body and a cutting head included in such a tool are also disclosed.
    Type: Application
    Filed: April 14, 2009
    Publication date: January 28, 2010
    Applicant: Seco Tools AB
    Inventor: Stefan Frejd
  • Publication number: 20090311060
    Abstract: A tool for rotary cutting machining includes a tool body and a replaceable cutting head detachably attachable to the tool body. At its front end, the tool body is provide with two coupling legs projecting in an axial direction. The respective coupling leg is provided with a stop surface for transferring torque from the tool body to the cutting head, which stop surface is designed for abutment against a corresponding stop surface of the cutting head. The respective coupling leg is provided with a shoulder protruding from the stop surface of the coupling leg.
    Type: Application
    Filed: April 14, 2009
    Publication date: December 17, 2009
    Applicant: Seco Tools Ab
    Inventor: Stefan Frejd
  • Patent number: 7462005
    Abstract: The present invention relates to a drilling tool for chip removing machining, wherein the drilling tool comprises a shank and an attachment, wherein the shank and the attachment are integrated with each other, wherein the shank has a free end, wherein between the free end and the attachment is provided at least one adjustable cassette which is received in a cassette pocket of the shank, and wherein an indexable cutting insert for chip removing machining is received in the cassette. The cassette has a circular cylindrical peripheral surface, the cassette pocket has a circular cylindrical support surface which is adapted to cooperate with the peripheral surface, a screw is provided for pivotable anchorage of the cassette in the cassette pocket, and the cassette and the cassette pocket has a screw to effect rotation of the cassette in the cassette pocket.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: December 9, 2008
    Assignee: Seco Tools AB
    Inventors: Stefan Frejd, Maria Samuelsson
  • Patent number: 7338237
    Abstract: The present invention relates to a drill and a drill tip for chip removing machining. The drill has a drill body, a drill tip and a shank portion. The drill tip comprises at least one cutting edge and at least one peripherally arranged guide member. The drill has a center axis. The guide member of the drill tip comprises a part-cylindrical first surface portion and an eccentric second surface portion. The first surface portion connects axially rearwardly along the guide member to the second surface portion.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: March 4, 2008
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Publication number: 20060210369
    Abstract: The present invention relates to a drilling tool for chip removing machining, wherein the drilling tool comprises a shank and an attachment, wherein the shank and the attachment are integrated with each other, wherein the shank has a free end, wherein between the free end and the attachment is provided at least one adjustable cassette which is received in a cassette pocket of the shank, and wherein an indexable cutting insert for chip removing machining is received in the cassette. The cassette has a circular cylindrical peripheral surface, the cassette pocket has a circular cylindrical support surface which is adapted to cooperate with the peripheral surface, a screw is provided for pivotable anchorage of the cassette in the cassette pocket, and the cassette and the cassette pocket has a screw to effect rotation of the cassette in the cassette pocket.
    Type: Application
    Filed: December 5, 2005
    Publication date: September 21, 2006
    Applicant: SECO TOOLS AB
    Inventors: Stefan Frejd, Maria Samuelsson
  • Publication number: 20050249562
    Abstract: The present invention relates to a drill and a drill tip for chip removing machining. The drill has a drill body, a drill tip and a shank portion. The drill tip comprises at least one cutting edge and at least one peripherally arranged guide member. The drill has a center axis. The guide member of the drill tip comprises a part-cylindrical first surface portion and an eccentric second surface portion. The first surface portion connects axially rearwardly along the guide member to the second surface portion.
    Type: Application
    Filed: April 28, 2005
    Publication date: November 10, 2005
    Applicant: SECO TOOLS AB
    Inventor: Stefan Frejd
  • Patent number: 6821061
    Abstract: A drill for chip forming metalworking includes three cutting edge structures spaced circumferentially apart. Each cutting edge structure includes a radially outer cutting edge and a radially inner cutting edge. Each radially inner cutting edge is inclined in a radially inner and axially rearward direction from a radially inner end of its associated radially outer cutting edge. That radially inner end constitutes a breakpoint between each radially outer cutting edge and its respective radially inner cutting edge. The breakpoints lie in a common circle whose center coincides with the center axis of the drill.
    Type: Grant
    Filed: October 23, 2002
    Date of Patent: November 23, 2004
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Publication number: 20030103820
    Abstract: A drill for chip forming metalworking includes three cutting edge structures spaced circumferentially apart. Each cutting edge structure includes a radially outer cutting edge and a radially inner cutting edge. Each radially inner cutting edge is inclined in a radially inner and axially rearward direction from a radially inner end of its associated radially outer cutting edge. That radially inner end constitutes a breakpoint between each radially outer cutting edge and its respective radially inner cutting edge. The breakpoints lie in a common circle whose center coincides with the center axis of the drill.
    Type: Application
    Filed: October 23, 2002
    Publication date: June 5, 2003
    Inventor: Stefan Frejd
  • Patent number: D590851
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: April 21, 2009
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Patent number: D600260
    Type: Grant
    Filed: February 28, 2009
    Date of Patent: September 15, 2009
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Patent number: D602965
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: October 27, 2009
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Patent number: D609257
    Type: Grant
    Filed: February 28, 2009
    Date of Patent: February 2, 2010
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Patent number: D613318
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: April 6, 2010
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Patent number: D617357
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: June 8, 2010
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Patent number: D639320
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: June 7, 2011
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd
  • Patent number: D649988
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: December 6, 2011
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd