Patents by Inventor Joseph Eray

Joseph Eray 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 for welding hinge pins onto elements intended to form hinged links of a wristlet
    Patent number: 5801351
    Abstract: The invention concerns a method for welding hinge pins onto links each formed of one or more elements, the links being connected to each other by means of said hinge pins arranged in passages provided for this purpose in the links, each pin being fixed onto one of the links and hinged onto the next link, characterised in that the connection of the pin to the link is made via an arc welding operation with the aid of an electrode in an inert atmosphere without using a solder.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: September 1, 1998
    Assignee: Werthanor S.A.
    Inventors: Roger Ecoffet, Joseph Eray, Sylvain Wenger
  • Watertight push button device, particularly for controlling a timepiece
    Patent number: 5663934
    Abstract: The watertight push button device is intended for example to equip a timepiece, in particular for controlling said timepiece. It comprises a body (2) inside which a cavity (4) of generally oblong shape is arranged, and a push button stem (6) arranged inside the cavity (4) and capable of moving, inside the latter, by a sliding movement when its head (8) is pushed.In order to prevent a shock at the end of the travel and/or an accidental activation of the push button, the device comprises pneumatic means intended to dampen the sliding movement of the stem (6) inside the body (2). These pneumatic means comprise an annular chamber defined around the stem (6) by a fixed gasket (28) and one of the sealing gaskets (20,22) mounted on the stem. Leakage means are preferably provided between the fixed gasket and the stem or the body.
    Type: Grant
    Filed: August 31, 1995
    Date of Patent: September 2, 1997
    Assignee: Werthanor S.A.
    Inventors: Sylvain Wenger, Joseph Eray
  • Watch case with separable back cover
    Patent number: 5373484
    Abstract: The present invention concerns a watch case comprising a back cover (6) and two attachments (8, 9) for securing a bracelet, such back cover, together with the two attachments forming one and the same piece (4), each attachment (8, 9) comprising a base (30), a bridge (36) coupling said base (30) transversally to said back cover (6) and two horns (34b, 34d) each located at one of the two ends of said base (30), this latter being located substantially in a general plane (40, 41) exhibiting an angular separation (.alpha.) relative to the general plane (38) of said watch case, each of said horns exhibiting a general orientation axis (44, 45) substantially perpendicular to said general plane (40, 41) of the said base to which it is attached.
    Type: Grant
    Filed: November 4, 1992
    Date of Patent: December 13, 1994
    Assignee: Compagnie de Montres Longines
    Inventors: Jean-Louis Rappo, Bernard Gigandet, Joseph Eray, Rodolphe Cattin