Patents Assigned to Bollhoff Otalu s.a.
  • Publication number: 20130125360
    Abstract: The crimping system for a device having a spherical element to be crimped comprising a stem mounted in a sleeve and ended at one end with the spherical element, comprises: an anvil intended to bear on a bearing flange of the sleeve, means of traction comprising a system of jaws configured to enclose the spherical element.
    Type: Application
    Filed: August 2, 2011
    Publication date: May 23, 2013
    Applicant: BOLLHOFF OTALU S.A.
    Inventors: Thomas Boivin, Patrick Lejars
  • Patent number: 8402632
    Abstract: A method for crimping an insert to be clinched in a support by means of a placing apparatus having an anvil, in an area where the support comprises superposed first and second panels at a distance from one another, wherein the shank is inserted axially in the support and the anvil is brought up against the distal end of the shank, and the second section is then axially compressed against the anvil to create a securing edge, axial compression of the second section then being continued to create a crimping rim delineating an anchoring groove, in combination with the securing edge, surrounding the second panel, axial compression of the second section then being continued to bring about clamping of the support between the securing head and the securing edge in conjunction with clamping of the second panel between the securing edge and the crimping rim.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: March 26, 2013
    Assignee: Bollhoff Otalu S.A.
    Inventor: Philippe Gory
  • Publication number: 20120189403
    Abstract: A tapped insert to be insert moulded comprises a shank provided at its axial ends with flanges delineating two axially opposite heads of the insert. The shank is provided with an internally threaded axial section to form a tapping. Means for blocking the insert in rotation after insert moulding and means for blocking the insert axially in translation after insert moulding are arranged on the outside of the shank. The shank comprises at least one fusible area of greater axial deformability located between the threaded axial section and one of the heads. The fusible area is configured to deform under a predefined axial compressive force applied to the heads without causing deformation of the threaded axial section. The invention also relates to a method for insert moulding such an insert.
    Type: Application
    Filed: January 24, 2011
    Publication date: July 26, 2012
    Applicant: BOLLHOFF OTALU S.A.
    Inventors: David BILLION LAROUTE, Nicolas BÉGEL, Frédéric PALLUEL
  • Patent number: 8001670
    Abstract: A method for assembling at least two elements by a crimping rivet including a head and a stem, and an associated fitting tool including a traction rod. The method includes the following successive steps. A securing step that secures a part of the stem of the rivet by die-stamping on a corresponding part of the traction rod of the fitting tool inserted inside the stem of the rivet. An inserting step that inserts the rivet in corresponding holes of the elements to be assembled. A crimping step that crimps the rivet by the fitting tool. A separating step that separates the fitting tool by radial deformation of the part of the stem on which die-stamping was applied.
    Type: Grant
    Filed: January 23, 2008
    Date of Patent: August 23, 2011
    Assignee: Bollhoff Otalu S.A.
    Inventor: Philippe Gory
  • Publication number: 20100251532
    Abstract: A method for crimping an insert to be clinched in a support by means of a placing apparatus having an anvil, in an area where the support comprises superposed first and second panels at a distance from one another, wherein the shank is inserted axially in the support and the anvil is brought up against the distal end of the shank, and the second section is then axially compressed against the anvil to create a securing edge, axial compression of the second section then being continued to create a crimping rim delineating an anchoring groove, in combination with the securing edge, surrounding the second panel, axial compression of the second section then being continued to bring about clamping of the support between the securing head and the securing edge in conjunction with clamping of the second panel between the securing edge and the crimping rim.
    Type: Application
    Filed: December 2, 2008
    Publication date: October 7, 2010
    Applicant: Bollhoff Otalu S.A.
    Inventor: Philippe Gory
  • Publication number: 20080209711
    Abstract: The method for assembling according to the invention is designed for assembling at least two elements by means of a crimping rivet comprising a head and a stem, and an associated fitting tool comprising a traction rod. The method comprises the following successive steps: securing a part of the stem of the rivet by die-stamping on a corresponding part of the traction rod of the fitting tool inserted inside the stem of the rivet, inserting the rivet in corresponding holes of the elements to be assembled, crimping of the rivet by the fitting tool, separating the fitting tool by radial deformation of the part of the stem on which die-stamping was applied.
    Type: Application
    Filed: January 23, 2008
    Publication date: September 4, 2008
    Applicant: BOLLHOFF OTALU S.A.
    Inventor: Philippe Gory
  • Patent number: 7004845
    Abstract: A manufacturing process of a clinch nut consists in forming a recess zone in a rough casting by cold heading so as to obtain a rough part. The rough part then undergoes a thermal annealing treatment followed by a cold heading operation enabling a bore to be formed designed to contain an internal thread. The internal thread is preferably achieved by tapping by upsetting material from the bore of the nut.
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: February 28, 2006
    Assignee: Bollhoff Otalu s.a.
    Inventor: Patrice Brun
  • Publication number: 20040192452
    Abstract: A manufacturing process of a clinch nut consists in forming a recess zone in a rough casting by cold heading so as to obtain a rough part. The rough part then undergoes a thermal annealing treatment followed by a cold heading operation enabling a bore to be formed designed to contain an internal thread. The internal thread is preferably achieved by tapping by upsetting material from the bore of the nut.
    Type: Application
    Filed: February 26, 2004
    Publication date: September 30, 2004
    Applicant: Bollhoff Otalu s.a.
    Inventor: Patrice Brun