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Bollhoff Otalu S.A.

Bollhoff Otalu S.A. Patent applications
Patent application numberTitlePublished
20100251532METHOD FOR CRIMPING AN INSERT IN A SUPPORT WITH TWO SUPERPOSED PANELS - 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.10-07-2010
20080209711Method for assembling at least two elements by means of a crimping rivet - 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: 09-04-2008