Patents by Inventor Michel Deuchemin

Michel Deuchemin 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).

  • Method and apparatus for attaching a rail using plastically deformable metal spikes and metal spikes per se
    Patent number: 4978065
    Abstract: A method of fixing a rail on a rail-support by metal spikes each comprising a round shaft having a top and terminated by a head for bearing against a rail flange with at least the bottom portion of the spike shaft being received in the rail-support in such a manner that the spike head is directed away from the rail-supporting surface of the rail-support. The bottom portion of the shaft includes at least one zone made of a plastically deformed material, and an antirotation structure is provided co-operating with complementary parts of the rail support for preventing any rotation of the bottom portion of the spike relative to the rail support when a couple below a predetermined value is applied to the top portion of the spike.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: December 18, 1990
    Assignee: Allevard Industries S.A.
    Inventor: Michel Deuchemin