Patents by Inventor Carl Hersant

Carl Hersant 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).

  • Patent number: 11519443
    Abstract: A rivet for fastening workpiece members, the rivet including a body comprising a shank extending in a first, longitudinal direction and a head extending in a second, substantially transversal direction, a bore being defined through the shank and the head of the body; and, a stem comprising a main longitudinal portion arranged for insertion into said bore, and an enlarged portion arranged for radially expanding the shank when the enlarged portion is forced into said bore to fasten the workpiece members; the rivet being configured for insertion into respective apertures formed in the workpiece members; and the rivet being further configured such that when the workpiece members are fastened, the head of the body of the rivet is displaced relative to the shank to engage with the stem to lock the stem in place relative to the body and/or the workpiece members.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: December 6, 2022
    Assignee: BLACK & DECKER INC.
    Inventor: Carl Hersant
  • Publication number: 20220213916
    Abstract: A sealing plug comprises the combination of a stem and sleeve, in which the stem is designed to have an external taper such that, on installation of the plug by a setting tool, sleeve material flows into a gap between the sleeve and taper to assist with locking the sleeve and stem together. Furthermore, the tool nose piece has a conical taper designed to cause sleeve material to flow, initially on installation, radially outward to effect locking of the plug into a blind hole into which it is being installed.
    Type: Application
    Filed: March 21, 2022
    Publication date: July 7, 2022
    Inventor: Carl HERSANT
  • Publication number: 20220018375
    Abstract: A rivet for fastening workpiece members, the rivet including a body comprising a shank extending in a first, longitudinal direction and a head extending in a second, substantially transversal direction, a bore being defined through the shank and the head of the body; and, a stem comprising a main longitudinal portion arranged for insertion into said bore, and an enlarged portion arranged for radially expanding the shank when the enlarged portion is forced into said bore to fasten the workpiece members; the rivet being configured for insertion into respective apertures formed in the workpiece members; and the rivet being further configured such that when the workpiece members are fastened, the head of the body of the rivet is displaced relative to the shank to engage with the stem to lock the stem in place relative to the body and/or the workpiece members.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 20, 2022
    Inventor: Carl HERSANT
  • Patent number: 10393164
    Abstract: A lockbolt for installation into apertured workpiece members, comprising a pin having a head and a tail end provided with locking grooves and a single pull groove (20), wherein an installation tool having a collet with a corresponding shape to the pull groove is used to apply an increasing pulling force to the pin tail, thereby to push the collet towards the workpiece, and as the force applied by the hydraulic piston further increases, causing the collar (10) to be swaged into the lock grooves, and halting the force applied by the tool either at a predetermined maximum value or when the pin tail breaks at a breaker groove formed by the single pull groove.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: August 27, 2019
    Assignee: AVDEL UK LIMITED
    Inventors: Jonathan Brewer, Carl Hersant
  • Patent number: 10094410
    Abstract: A lockbolt for installation into apertured workpiece members, comprising a pin having a head and a tail end provided with locking grooves and a single pull groove, wherein an installation tool having a collet with a corresponding shape to the pull groove is used to apply an increasing pulling force to the pin tail, thereby to push the collet towards the workpiece, and as the force applied by the hydraulic piston further increases, causing the collar to be swaged into the lock grooves, and halting the force applied by the tool either at a predetermined maximum value or when the pin tail breaks at a breaker groove formed by the single pull groove.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: October 9, 2018
    Assignee: ADVEL UK LIMITED
    Inventors: Jonathan Brewer, Carl Hersant
  • Publication number: 20180149183
    Abstract: A rivet for fastening workpiece members, the rivet including a body comprising a shank extending in a first, longitudinal direction and a head extending in a second, substantially transversal direction, a bore being defined through the shank and the head of the body; and, a stem comprising a main longitudinal portion arranged for insertion into said bore, and an enlarged portion arranged for radially expanding the shank when the enlarged portion is forced into said bore to fasten the workpiece members; the rivet being configured for insertion into respective apertures formed in the workpiece members; and the rivet being further configured such that when the workpiece members are fastened, the head of the body of the rivet is displaced relative to the shank to engage with the stem to lock the stem in place relative to the body and/or the workpiece members.
    Type: Application
    Filed: January 31, 2018
    Publication date: May 31, 2018
    Inventor: Carl HERSANT
  • Publication number: 20160215808
    Abstract: A lockbolt for installation into apertured workpiece members, comprising a pin having a head and a tail end provided with locking grooves and a single pull groove (20), wherein an installation tool having a collet with a corresponding shape to the pull groove is used to apply an increasing pulling force to the pin tail, thereby to push the collet towards the workpiece, and as the force applied by the hydraulic piston further increases, causing the collar (10) to be swaged into the lock grooves, and halting the force applied by the tool either at a predetermined maximum value or when the pin tail breaks at a breaker groove formed by the single pull groove.
    Type: Application
    Filed: November 11, 2014
    Publication date: July 28, 2016
    Inventors: Jonathan BREWER, Carl HERSANT
  • Patent number: 9267524
    Abstract: A blind fastener comprising a body (22) and a stem (26), wherein the fastener is installed in a workpiece by applying a pulling force to the bodycausing a bulb to form at a radially expandable section of the body, the stem of the fastener comprising two waisted regions (38, 40) of reduced diameter, such that when the body of the fastener is crimped after assembly with the stem, the body is caused to form a barrel shape, whereby clearance between the body and stem is minimized.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: February 23, 2016
    Assignee: AVDEL UK LIMITED
    Inventors: Jonathan Lee Brewer, Carl Hersant
  • Publication number: 20150252833
    Abstract: A lockbolt for installation into apertured workpiece members, comprising a pin having a head and a tail end provided with locking grooves and a single pull groove, wherein an installation tool having a collet with a corresponding shape to the pull groove is used to apply an increasing pulling force to the pin tail, thereby to push the collet towards the workpiece, and as the force applied by the hydraulic piston further increases, causing the collar to be swaged into the lock grooves, and halting the force applied by the tool either at a predetermined maximum value or when the pin tail breaks at a breaker groove formed by the single pull groove.
    Type: Application
    Filed: May 29, 2013
    Publication date: September 10, 2015
    Inventors: Jonathan Brewer, Carl Hersant
  • Patent number: 8556102
    Abstract: A sealing plug for sealing a hole in a wall, which sealing plug is insertable into the hole by access from only one side thereof, which sealing plug comprises: a radially expandable body which is radially expandable by access thereto from only one end thereof, and a sealing cap which covers the other end of the expandable body and extends therefrom along the exterior of the length of the body, the sealing cap being of a material which is fluid resistant; whereby, when the sealing plug has been inserted in the hole and has been radially expanded so that at least part of the sealing cap adjacent the wall of the hole expands and engages therewith, the sealing cap is secured in the hole with the sealing cap sealing the plug body against access thereto from outside the cap.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: October 15, 2013
    Assignee: Avdel UK Limited
    Inventors: Carl Hersant, Andrew Roberts, Jonathan Brewer
  • Publication number: 20110206477
    Abstract: A blind fastener comprising a body (22) and a stem (26), wherein the fastener is installed in a workpiece by applying a pulling force to the bodycausing a bulb to form at a radially expandable section of the body, the stem of the fastener comprising two waisted regions (38, 40) of reduced diameter, such that when the body of the fastener is crimped after assembly with the stem, the body is caused to form a barrel shape, whereby clearance between the body and stem is minimised
    Type: Application
    Filed: July 10, 2009
    Publication date: August 25, 2011
    Applicant: AVDEL UK LIMITED
    Inventors: Jonathan Lee Brewer, Carl Hersant
  • Publication number: 20080111373
    Abstract: A sealing plug for sealing a hole in a wall, which sealing plug is insertable into the hole by access from only one side thereof, which sealing plug comprises: a radially expandable body which is radially expandable by access thereto from only one end thereof, and a sealing cap which covers the other end of the expandable body and extends therefrom along the exterior of the length of the body, the sealing cap being of a material which is fluid resistant; whereby, when the sealing plug has been inserted in the hole and has been radially expanded so that at least part of the sealing cap adjacent the wall of the hole expands and engages therewith, the sealing cap is secured in the hole with the sealing cap sealing the plug body against access thereto from outside the cap.
    Type: Application
    Filed: November 30, 2006
    Publication date: May 15, 2008
    Applicant: Textron Fastening Systems Limited
    Inventors: Carl Hersant, Andrew Roberts, Jonathan Brewer