Patents by Inventor Alain Darrin

Alain Darrin 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).

  • Process for connecting and assembling tubular elements, in particular for constructing a bicycle frame
    Patent number: 5018900
    Abstract: Process for connecting and assembling tubular elements, according to which the various tubes (1) are joined to one another by connectors or sleeves (2), the ends (10-3) of these two elements being fitted one inside the other and the bond being obtained by adhesive bonding.The process is distinguished by the fact that, after fitting the two members one inside the other and before the adhesive has set, an additional connector (4) is introduced inside one of the elements, one part (5) of the additional connector being pressed against the inside of the surface (8) of the element inside which it has been introduced, and the other part (6) of the additional connector being screwed inside the second element, the final setting of the adhesive taking place after installation of this additional joining element.
    Type: Grant
    Filed: November 14, 1989
    Date of Patent: May 28, 1991
    Assignee: Technique du Verre Tisse S.a.
    Inventor: Alain Darrin